CN208348656U - The valve rod dual-cooled structure of high temperature valve - Google Patents
The valve rod dual-cooled structure of high temperature valve Download PDFInfo
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- CN208348656U CN208348656U CN201820931510.4U CN201820931510U CN208348656U CN 208348656 U CN208348656 U CN 208348656U CN 201820931510 U CN201820931510 U CN 201820931510U CN 208348656 U CN208348656 U CN 208348656U
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- China
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- valve rod
- axle sleeve
- helicla flute
- water inlet
- high temperature
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Abstract
A kind of valve rod dual-cooled structure of high temperature valve, using dual-cooled structure, the mode that cooling structure and stem exterior axle sleeve double spiral groove cooling structure combine i.e. in valve rod, valve rod center drilling blind hole, it is inserted into interior cooling tube, cooling water is entered by interior cooling tube, it is discharged again by blind hole and blind hole outlet after reaching blind via bottom, stem internal temperature is reduced by interior cooling cycle, stem exterior is equipped with axle sleeve, inner hole of shaft sleeve is double spiral groove structure, import cooling water can be reached axle sleeve bottom circular groove by helicla flute and reach water outlet by helicla flute, stem exterior temperature is reduced by outer cooling cycle, by cooling water in valve rod, it is outer to be fully cooled, effectively reduce valve rod temperature, reduce valve rod high temperature deformation amount, valve rod is set to be always maintained at preferable mechanical performance.
Description
Technical field
The utility model is specifically related to high temperature valve technical field, and in particular to a kind of valve rod dual-cooled of high temperature valve
Structure.
Background technique
High temperature valve especially superhigh temperature valve using more and more, and at present superhigh temperature valve be mostly by it is external into
Mouthful, these valves are all the high conjunction steel makings splendid using high temperature resistance, so that valve price is very expensive and takes after sale
Business can not also ensure.
Summary of the invention
It is in order to solve the defects of prior art and insufficient.The valve rod that the utility model provides a kind of high temperature valve is dual cold
But structure can be applied to the valve rod of common material high temperature or superhigh temperature operating condition, considerably reduce the production cost of valve
And the production cycle, this nested structure can be used much with state's generation into valve among, save a large amount of fund for country.
The technical solution that the utility model uses is: a kind of valve rod dual-cooled structure of high temperature valve, including valve
Bar, the valve rod outside are equipped with axle sleeve, are equipped with vertical inner hole in the axle sleeve, the valve rod is plugged on inner hole, institute
The two sides for the axle sleeve stated are respectively equipped with inlet and outlet, and axle sleeve water inlet pipe is respectively equipped in the inlet and outlet
The first spiral groove and the second spiral groove, first spiral shell are equipped with the inner wall of axle sleeve outlet pipe, the vertical inner hole
The hand of spiral of spin slot and the second helicla flute is identical, and the first spiral groove and the second spiral groove form double-spiral structure, institute
The bottom for the first spiral groove and the second spiral groove stated is equipped with the first circular groove, the bottom of the first spiral groove and the second spiral groove
Portion is connected by the first circular groove, is connected at the top of the axle sleeve water inlet pipe and the first helicla flute, the axle sleeve outlet pipe and second
It is connected at the top of helicla flute, cooling water enters the first helicla flute by axle sleeve water inlet pipe, enters the second helicla flute through the first circular groove, by the
Axle sleeve outlet pipe discharge at the top of two helicla flutes.
Be additionally provided with the second circular groove between at the top of the axle sleeve water inlet pipe and the first helicla flute, the axle sleeve water inlet pipe with
It is connected between first helicla flute by the second circular groove.
It is drilled with blind hole on the axial direction of the valve rod, is equipped with interior cooling tube, the interior cooling in the blind hole
Cooling water flow conduits are formed between pipe and blind hole inner wall, the interior cooling bottom of the tube is connected with cooling water flow conduits, and described is interior
The top of cooling tube is equipped with valve rod water inlet pipe, and the side wall of the blind hole is equipped with valve rod outlet pipe, the valve rod outlet pipe
It is connected with cooling water flow conduits, cooling water enters interior cooling tube by valve rod water inlet pipe, enter cooling water flow conduits through interior cooling bottom of the tube,
Finally it is discharged by valve rod outlet pipe.
Cooling tube positioning sleeve, the top grafting of the cooling tube positioning sleeve and valve rod are additionally provided at the top of the valve rod
Cooperation.
The cooling tube positioning sleeve is equipped with mounting hole, the valve rod water inlet pipe be mounted in mounting hole and with it is interior cold
But the top of pipe is connected.
Carbon seal ring is additionally provided between the bottom and valve rod of the axle sleeve.
Packing layer is additionally provided between the top and valve rod of the axle sleeve.
The beneficial effects of the utility model are: the utility model provides a kind of valve rod dual-cooled knot of high temperature valve
Structure, using dual-cooled structure, i.e., cooling structure and stem exterior axle sleeve double spiral groove cooling structure combine in valve rod side
Formula, valve rod center drilling blind hole are inserted into interior cooling tube, and cooling water is entered by interior cooling tube, pass through again after reaching blind via bottom
Blind hole and blind hole outlet discharge reduce stem internal temperature by interior cooling cycle, and stem exterior is equipped with axle sleeve, inner hole of shaft sleeve
For double spiral groove structure, import cooling water can be reached axle sleeve bottom circular groove by helicla flute and reach water outlet by helicla flute
Mouthful, stem exterior temperature is reduced by outer cooling cycle, is fully cooled by the way that cooling water is inside and outside to valve rod, is effectively dropped
Low valve rod temperature, reduces valve rod high temperature deformation amount, valve rod is made to be always maintained at preferable mechanical performance.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the utility model axle sleeve structure schematic diagram.
1- valve rod in figure, 2- axle sleeve, 3- inner hole, the first circular groove of 4-, the second circular groove of 5-, 6- blind hole, cooling tube in 7-, 8- are cold
But pipe positioning sleeve, 21- water inlet, 22- water outlet, 23- axle sleeve water inlet pipe, 24- axle sleeve outlet pipe, 25- carbon seal ring, 26-
Packing layer, the first helicla flute of 31-, the second helicla flute of 32-, 61- cooling water flow conduits, 62- valve rod outlet pipe, 71- valve rod water inlet pipe.
Specific embodiment
In order to be more clearly understood that the technology contents of the utility model, spy lifts following embodiment and is described in detail.
As shown in Figure 1 and Figure 2, the valve rod dual-cooled structure of a kind of high temperature valve, including valve rod 1, outside the valve rod 1
Side is equipped with axle sleeve 2, is equipped with vertical inner hole 3 in the axle sleeve 2, the valve rod 1 is plugged on inner hole 3, the axle sleeve 2
Two sides are respectively equipped with water inlet 21 and water outlet 22, are respectively equipped with axle sleeve water inlet pipe 23 in the water inlet 21 and water outlet 22
With axle sleeve outlet pipe 24, the inner wall of the vertical inner hole 3 is equipped with the first helicla flute 31 and the second helicla flute 32, described
First helicla flute 31 is identical with the hand of spiral of the second helicla flute 32, first helicla flute 31 and the formation of the second helicla flute 32
The bottom of double-spiral structure, first helicla flute 31 and the second helicla flute 32 is equipped with the first circular groove 4, first spiral
The bottom of slot 31 and the second helicla flute 32 is connected by the first circular groove 4,2 water inlet pipe of axle sleeve and 31 top phase of the first helicla flute
Even, it is connected at the top of the axle sleeve outlet pipe 24 and the second helicla flute 32, cooling water enters the first spiral by axle sleeve water inlet pipe 23
Slot 31 enters the second helicla flute 32 through the first circular groove 4, is discharged by 2 outlet pipe of axle sleeve at 32 top of the second helicla flute.The axis
Set water inlet pipe 23 and the first helicla flute are additionally provided with the second circular groove 5, the axle sleeve water inlet pipe 23 and the first spiral between 31 top
It is connected between slot 31 by the second circular groove 5.Carbon seal ring 25 is additionally provided between the bottom and valve rod 1 of the axle sleeve 2.This reality
Dual-cooled structure is used with novel, i.e., cooling structure and stem exterior axle sleeve double spiral groove cooling structure combine in valve rod
Mode, valve rod center drilling blind hole are inserted into interior cooling tube, and cooling water is entered by interior cooling tube, lead to again after reaching blind via bottom
Blind hole and blind hole outlet discharge are crossed, stem internal temperature is reduced by interior cooling cycle, stem exterior is equipped with axle sleeve, in axle sleeve
Hole is double spiral groove structure, and import cooling water can be reached axle sleeve bottom circular groove by helicla flute and be reached out by helicla flute
The mouth of a river reduces stem exterior temperature by outer cooling cycle, is fully cooled by the way that cooling water is inside and outside to valve rod, effectively
Valve rod temperature is reduced, valve rod high temperature deformation amount is reduced, valve rod is made to be always maintained at preferable mechanical performance.
Packing layer 26 is additionally provided between the top and valve rod 1 of the axle sleeve 2.
It is drilled with blind hole 6 on the axial direction of the valve rod 1, is equipped with interior cooling tube 7 in the blind hole 6, described is interior
Cooling water flow conduits 61,7 bottom of interior cooling tube and 61 phase of cooling water flow conduits are formed between 6 inner wall of cooling tube 7 and blind hole
Even, the top of the interior cooling tube 7 is equipped with valve rod water inlet pipe 71, and the side wall of the blind hole 6 is equipped with valve rod outlet pipe 62,
The valve rod outlet pipe 62 is connected with cooling water flow conduits 61, and cooling water enters interior cooling tube 7 by valve rod water inlet pipe 71, through interior cold
But 7 bottom of pipe enters cooling water flow conduits 61, is finally discharged by valve rod outlet pipe 62.The top of the valve rod 1 is additionally provided with cooling
Pipe positioning sleeve 8, the cooling tube positioning sleeve 8 and the top of valve rod 1 are mating.
The cooling tube positioning sleeve 8 is equipped with mounting hole, the valve rod water inlet pipe 71 be mounted in mounting hole and with
The top of interior cooling tube 7 is connected.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of valve rod dual-cooled structure of high temperature valve, including valve rod (1), which is characterized in that on the outside of the valve rod (1)
Equipped with axle sleeve (2), vertical inner hole (3) is equipped in the axle sleeve (2), the valve rod (1) is plugged on inner hole (3), described
The two sides of axle sleeve (2) be respectively equipped with water inlet (21) and water outlet (22), in the water inlet (21) and water outlet (22)
It is respectively equipped with axle sleeve water inlet pipe (23) and axle sleeve outlet pipe (24), the inner wall of the vertical inner hole (3) is equipped with the first spiral shell
Spin slot (31) and the second helicla flute (32), first helicla flute (31) is identical with the hand of spiral of the second helicla flute (32),
First helicla flute (31) and the second helicla flute (32) form double-spiral structure, first helicla flute (31) and second
The bottom of helicla flute (32) is equipped with the first circular groove (4), the bottom of first helicla flute (31) and the second helicla flute (32) by
It is connected at the top of first circular groove (4) connection, the axle sleeve (2) water inlet pipe and the first helicla flute (31), the axle sleeve outlet pipe
(24) it is connected with the second helicla flute (32) top, cooling water enters the first helicla flute (31) by axle sleeve water inlet pipe (23), through first
Circular groove (4) enters the second helicla flute (32), is discharged by axle sleeve (2) outlet pipe at the top of the second helicla flute (32).
2. the valve rod dual-cooled structure of high temperature valve according to claim 1, which is characterized in that the axle sleeve water inlet
It is additionally provided with the second circular groove (5) between at the top of pipe (23) and the first helicla flute (31), the axle sleeve water inlet pipe (23) and the first spiral shell
It is connected between spin slot (31) by the second circular groove (5).
3. the valve rod dual-cooled structure of high temperature valve according to claim 1, which is characterized in that the valve rod (1)
Axial direction on be drilled with blind hole (6), be equipped with interior cooling tube (7) in the blind hole (6), the interior cooling tube (7) with it is blind
It being formed with cooling water flow conduits (61) between hole (6) inner wall, interior cooling tube (7) bottom is connected with cooling water flow conduits (61),
The top of the interior cooling tube (7) is equipped with valve rod water inlet pipe (71), and the side wall of the blind hole (6) is equipped with valve rod outlet pipe
(62), the valve rod outlet pipe (62) is connected with cooling water flow conduits (61), and cooling water is entered interior cold by valve rod water inlet pipe (71)
But (7) are managed, enters cooling water flow conduits (61) through interior cooling tube (7) bottom, be finally discharged by valve rod outlet pipe (62).
4. the valve rod dual-cooled structure of high temperature valve according to claim 3, which is characterized in that the valve rod (1)
Top be additionally provided with cooling tube positioning sleeve (8), the cooling tube positioning sleeve (8) and the top of valve rod (1) are mating.
5. the valve rod dual-cooled structure of high temperature valve according to claim 4, which is characterized in that the cooling tube is fixed
Position set (8) is equipped with mounting hole, and the valve rod water inlet pipe (71) is mounted in mounting hole and the top phase with interior cooling tube (7)
Even.
6. the valve rod dual-cooled structure of high temperature valve according to claim 1, which is characterized in that the axle sleeve (2)
Bottom and valve rod (1) between be additionally provided with carbon seal ring (25).
7. the valve rod dual-cooled structure of high temperature valve according to claim 1, which is characterized in that the axle sleeve (2)
Top and valve rod (1) between be additionally provided with packing layer (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820931510.4U CN208348656U (en) | 2018-06-15 | 2018-06-15 | The valve rod dual-cooled structure of high temperature valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820931510.4U CN208348656U (en) | 2018-06-15 | 2018-06-15 | The valve rod dual-cooled structure of high temperature valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208348656U true CN208348656U (en) | 2019-01-08 |
Family
ID=64884068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820931510.4U Active CN208348656U (en) | 2018-06-15 | 2018-06-15 | The valve rod dual-cooled structure of high temperature valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208348656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561623A (en) * | 2018-06-15 | 2018-09-21 | 浙江石化阀门有限公司 | The valve rod dual-cooled structure of high temperature valve |
-
2018
- 2018-06-15 CN CN201820931510.4U patent/CN208348656U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561623A (en) * | 2018-06-15 | 2018-09-21 | 浙江石化阀门有限公司 | The valve rod dual-cooled structure of high temperature valve |
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