CN206522459U - A kind of gas flow air bleeding valve - Google Patents
A kind of gas flow air bleeding valve Download PDFInfo
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- CN206522459U CN206522459U CN201720082346.XU CN201720082346U CN206522459U CN 206522459 U CN206522459 U CN 206522459U CN 201720082346 U CN201720082346 U CN 201720082346U CN 206522459 U CN206522459 U CN 206522459U
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Abstract
The utility model belongs to Nuclear Power Station's Exhausted Fuels dry storage technical field, specifically related to a kind of gas flow air bleeding valve, purpose is to develop a kind of gas flow air bleeding valve, when fuel bundle is caught and takes instrument to capture cluster, in cylinder action process, there can be the speed flowrate adjusting means of a control cylinder, it is ensured that responsiveness is in prescribed limit, so as to reduce the impulsive force of universal joint and pull bar.It is characterized in that：It includes valve body, valve element and adjusting knob；One end of valve body is connected with equipment gas outlet, and air inlet is offered herein, for entering gas, and the other end offers screwed hole, for installing valve element；Valve inner is stretched into one end of valve element, is flexibly connected with valve body, and the other end is fixedly connected with adjusting knob；Exhaust outlet is arranged on the outer surface of valve body, for discharging gas.
Description
Technical field
The invention belongs to Nuclear Power Station's Exhausted Fuels dry storage technical field, and in particular to a kind of gas flow air bleeding valve.
Background technology
Spent fuel dry-type storage is Qinshan Phase II NPP project, and spent fuel dry-type storage has the key equipment work of cluster crawl under water
Tool, exactly will be transferred to fuel-basket by tumbler, its operation principle is that cluster is grabbed under water by a cluster using gripping tool
Firmly instrument pulldown part contact fuel bundle top, then pulls sliding block by cylinder piston rod, and sliding block ledge is by pulldown
Center-pole is moved up and locked, and pulldown, which is shunk, blocks fuel bundle, and fuel bundle can be shifted, but in operation,
Occurred universal joint fracture and the sliding block bar fracture of root between cylinder piston rod and sliding block in succession, brought seriously to safety in production
Risk, mirror with this must thoroughly solve fracture the reason for, analyzed by mass data, be due to cylinder in motion process,
Excessive velocities, cause piston rod and universal joint moment by excessive impulsive force, cause above phenomenon to occur, are that this must be designed
A set of gas flow regulating valve, makes the control of its movement velocity in prescribed limit, it is ensured that grab rod tool equipment normal work, prevent
Accident occurs.
The content of the invention
It is an object of the invention to develop a kind of gas flow air bleeding valve, caught in fuel bundle and take instrument to capture cluster
When, in cylinder action process, there can be the speed flowrate adjusting means of a control cylinder, it is ensured that responsiveness is in prescribed limit
It is interior, so as to reduce the impulsive force of universal joint and pull bar.
What the present invention was realized in：
A kind of gas flow air bleeding valve, including valve body, valve element and adjusting knob；One end of valve body connects with equipment gas outlet
Connect, air inlet is offered herein, for entering gas, the other end offers screwed hole, for installing valve element；Stretch one end of valve element
Enter valve inner, be flexibly connected with valve body, the other end is fixedly connected with adjusting knob；Exhaust outlet is arranged on the outer surface of valve body
On, for discharging gas.
Valve body as described above generally hollow cylindrical；The outer surface of left end is provided with taper thread, for connecting
Equipment gas outlet；Three through holes are axially inside offered in valve body, air inlet, gas flow regulation are followed successively by from left to right
Hole and valve element drive hole, the internal diameter of three through holes increase successively；Internal thread is provided with the inwall of valve element drive hole, for pacifying
Cartridge spool；Exhaust outlet is arranged on the outer wall of the valve body residing for gas flow adjustment hole.
Exhaust outlet as described above is generally wedge-shaped, and right part width is more than left part width, is adjusted and arranged by the motion of valve element
The capacity of gas port.
Valve element generally cylindrical as described above, is divided into two parts in left and right, and the diameter of left part is less than the straight of right part
Footpath；The length of valve element left part is identical with valve body gas flow adjustment hole, and diameter matches with gas flow adjustment hole；The length of right part
Degree is consistent with valve body valve element drive hole, and diameter matches with valve element drive hole；The right part of valve element is arranged on valve body valve element drive hole
It is interior, external screw thread is provided with, is matched with the internal thread of valve element drive hole, realizes valve element entirety in valve body axially movable；Valve element
Left part exhaust outlet is completely covered, pass through valve element axial movement regulation exhaust outlet capacity；The right-hand member of valve element revolves with regulation
Button is fixedly connected.
Adjusting knob generally cylindrical as described above, left end is connected with valve element, the rotation for driving valve element；Adjust
The outer surface of section knob is provided with decorative pattern, for anti-skidding.
Valve body, valve element and adjusting knob as described above are made of 304 stainless steel materials.
The beneficial effects of the invention are as follows：
Gas flow air bleeding valve described in the present invention has the function of adjusting gas flow, safe and reliable, easy to use,
Stability is strong, high financial profit, reduces operational risk, it is to avoid catch and take cluster surprisingly to slide, and really what operating personnel's safety, meets
Power station is had suffered the phase in longevity, the domestic and international identical power station similar devices advanced level of wound.
Brief description of the drawings
Fig. 1 is a kind of structural representation of gas flow air bleeding valve of the present invention；
Fig. 2 is a kind of structural representation of the valve body of gas flow air bleeding valve of the present invention；
Fig. 3 is the valve element and the structural representation of adjusting knob of a kind of gas flow air bleeding valve of the present invention.
Wherein：1. valve body, 2. valve elements, 3. adjusting knobs, 4. exhaust outlets, 5. air inlets.
Embodiment
The present invention is described further with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of gas flow air bleeding valve, including valve body 1, valve element 2 and adjusting knob 3.One end of valve body 1 with
Equipment gas outlet is connected, and air inlet 5 is offered herein, for entering gas, the other end offers screwed hole, for installing valve element
2.One end of valve element 2 is stretched into inside valve body 1, is flexibly connected with valve body 1, and the other end is fixedly connected with adjusting knob 3.Exhaust outlet 4
On the outer surface for being arranged on valve body 1, for discharging gas.
As shown in Fig. 2 the generally hollow cylindrical of valve body 1.The outer surface of left end is provided with taper thread, for connecting
Equipment gas outlet.Three through holes are axially inside offered in valve body 1, air inlet 5, gas flow are followed successively by from left to right and is adjusted
Knothole and valve element drive hole, the internal diameter of three through holes increase successively.Internal thread is provided with the inwall of valve element drive hole, is used for
Valve element 2 is installed.Exhaust outlet 4 is arranged on the outer wall of the valve body 1 residing for gas flow adjustment hole.Exhaust outlet 4 is generally wedge-shaped, right
Portion's width is more than left part width, and the capacity of exhaust outlet 4 is adjusted by the motion of valve element 2.
As shown in figure 3, the generally cylindrical of valve element 2, is divided into two parts in left and right, the diameter of left part is less than the straight of right part
Footpath.The length of the left part of valve element 2 is identical with the gas flow adjustment hole of valve body 1, and diameter matches with gas flow adjustment hole；Right part
Length is consistent with the valve element drive hole of valve body 1, and diameter matches with valve element drive hole.The right part of valve element 2 drives installed in the valve element of valve body 1
In dynamic hole, external screw thread is provided with, is matched with the internal thread of valve element drive hole, realized that valve element 2 is overall and transported vertically in valve body 1
It is dynamic.Exhaust outlet 4 can be completely covered in the left part of valve element 2, and the capacity of exhaust outlet 4 is adjusted by the axial movement of valve element 2.Valve element
2 right-hand member is fixedly connected with adjusting knob 3.
As shown in figure 3, the generally cylindrical of adjusting knob 3, left end is connected with valve element 2, for driving turning for valve element 2
It is dynamic.The outer surface of adjusting knob 3 is provided with decorative pattern, for anti-skidding.
In the present embodiment, valve body 1, valve element 2 and adjusting knob 3 are made of 304 stainless steel materials.
The operation principle of the present invention is as follows：
The taper thread part of valve body 1 is connected with equipment gas outlet, tightened after smearing a little fluid sealant at taper thread.Turn
Dynamic adjusting knob 3 so that valve element 2 is to left movement, until the left part of valve element 2 is completely into the gas flow adjustment hole of valve body 1, row
Gas port 4 is in closed state.Operation equipment cylinder, confirms that equipment is in normal operating conditions.Rotate adjusting knob 3 so that valve
Core 2 is moved right, now exhaust outlet 4 some expose.Operation equipment cylinder, confirms the cylinder speed of service.Rotate regulation rotation
For several times, the equipment cylinder speed of service is controlled within the limits prescribed for button.
Gas flow air bleeding valve of the present invention, for spentnuclear fuel cluster grabbing device equipment, regulation cylinder was acted
Capacity in journey, effectively the control cylinder speed of service, the universal joint being connected between reduction cylinder piston rod and sliding block and cunning
The impulsive force in root tuber portion, it is ensured that cluster universal joint and sliding block root connecting rod are not broken, catches its cluster and is taking instrument operation just
Often, it is zero to occur unexpected risk.
The implementation of the present invention is explained in detail above in conjunction with embodiment, but the present invention is not limited to above-mentioned reality
Example is applied, can also be on the premise of present inventive concept not be departed from the knowledge that those of ordinary skill in the art possess
Various changes can be made.The content not being described in detail in description of the invention can use prior art.
Claims (6)
1. a kind of gas flow air bleeding valve, it is characterised in that：It includes valve body (1), valve element (2) and adjusting knob (3)；Valve body
(1) one end is connected with equipment gas outlet, air inlet (5) is offered herein, for entering gas, the other end offers screw thread
Hole, for installing valve element (2)；Valve body (1) inside is stretched into one end of valve element (2), is flexibly connected with valve body (1), and the other end is with adjusting
Section knob (3) is fixedly connected；Exhaust outlet (4) is arranged on the outer surface of valve body (1), for discharging gas.
2. gas flow air bleeding valve according to claim 1, it is characterised in that：Described valve body (1) is generally hollow
Cylindrical；The outer surface of left end is provided with taper thread, for connecting equipment gas outlet；In axially inside opening for valve body (1)
Provided with three through holes, be followed successively by air inlet (5), gas flow adjustment hole and valve element drive hole from left to right, three through holes it is interior
Footpath increases successively；Internal thread is provided with the inwall of valve element drive hole, for installing valve element (2)；Exhaust outlet (4) is arranged on gas
On the outer wall of valve body (1) residing for body flow regulating orifices.
3. gas flow air bleeding valve according to claim 1, it is characterised in that：Described exhaust outlet (4) is generally wedge-shaped,
Right part width is more than left part width, and the capacity of exhaust outlet (4) is adjusted by the motion of valve element (2).
4. gas flow air bleeding valve according to claim 2, it is characterised in that：Described valve element (2) generally cylinder
Shape, is divided into two parts in left and right, and the diameter of left part is less than the diameter of right part；The length of valve element (2) left part and valve body (1) gas stream
Amount adjustment hole is identical, and diameter matches with gas flow adjustment hole；The length of right part is consistent with valve body (1) valve element drive hole, directly
Footpath matches with valve element drive hole；The right part of valve element (2) is arranged in valve body (1) valve element drive hole, external screw thread is provided with, with valve
The internal thread of core drive hole matches, and realizes valve element (2) entirety in valve body (1) axially movable；The left part of valve element (2) covers completely
Lid exhaust outlet (4), the capacity of exhaust outlet (4) is adjusted by the axial movement of valve element (2)；The right-hand member of valve element (2) revolves with regulation
Button (3) is fixedly connected.
5. gas flow air bleeding valve according to claim 1, it is characterised in that：Described adjusting knob (3) is generally justified
Cylinder shape, left end is connected with valve element (2), the rotation for driving valve element (2)；The outer surface of adjusting knob (3) is provided with decorative pattern,
For anti-skidding.
6. gas flow air bleeding valve according to claim 1, it is characterised in that：Described valve body (1), valve element (2) and tune
Section knob (3) is made of 304 stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720082346.XU CN206522459U (en) | 2017-01-20 | 2017-01-20 | A kind of gas flow air bleeding valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720082346.XU CN206522459U (en) | 2017-01-20 | 2017-01-20 | A kind of gas flow air bleeding valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206522459U true CN206522459U (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720082346.XU Active CN206522459U (en) | 2017-01-20 | 2017-01-20 | A kind of gas flow air bleeding valve |
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| CN (1) | CN206522459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838353A (en) * | 2017-01-20 | 2017-06-13 | 中核核电运行管理有限公司 | A kind of gas flow air bleeding valve |
-
2017
- 2017-01-20 CN CN201720082346.XU patent/CN206522459U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838353A (en) * | 2017-01-20 | 2017-06-13 | 中核核电运行管理有限公司 | A kind of gas flow air bleeding valve |
| CN106838353B (en) * | 2017-01-20 | 2023-08-15 | 中核核电运行管理有限公司 | Gas flow exhaust valve |
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