CN105526366B - A kind of low pressure seal gate valve - Google Patents
A kind of low pressure seal gate valve Download PDFInfo
- Publication number
- CN105526366B CN105526366B CN201610040667.3A CN201610040667A CN105526366B CN 105526366 B CN105526366 B CN 105526366B CN 201610040667 A CN201610040667 A CN 201610040667A CN 105526366 B CN105526366 B CN 105526366B
- Authority
- CN
- China
- Prior art keywords
- gate valve
- flashboards
- flashboard
- low pressure
- retarder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2021—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member with a plurality of valve members
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2014—Shaping of the valve member
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2042—Special features or arrangements of the sealing
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2042—Special features or arrangements of the sealing
- F16K1/205—Special features or arrangements of the sealing the sealing being arranged on the valve member
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
Abstract
The present invention discloses a kind of low pressure seal gate valve for sodium-cooled fast reactor, which includes cabinet, flashboard, retarder, rocking handle, and flashboard is made of two flashboards, and two flashboards are separately connected retarder, and retarder connect composition with rocking handle is turned.The device provides a kind of flashboards easy to accomplish to open and close, radial dimension is smaller and short transverse size is smaller, is able to achieve the low pressure seal gate valve securely and reliably sealed under low voltage situations.
Description
Technical field
The invention belongs to reactor engineering technical field, in particular to a kind of low pressure seal gate valve for sodium-cooled fast reactor.
Background technique
Sodium-cooled fast reactor needs to dismantle installation secondary circuit sodium pump when breaking down or starting retired, this operation need to seal two
Circuit prevents radioactive release, and prevents sodium from contacting with air and cause fire.And due to the particularity of sodium-cooled fast reactor structure, two
The installation room space of circuit sodium pump is narrow, so the requirement to the volume and leakproofness of sealing device is very high.
Current existing gate valve structure has 3 kinds, is divided into " sliding door structure ", " turning door structure " and " soft door ".
As shown in Figure 1, gate is translated by flashboard and realizes folding, in the height direction size in existing sliding door structure
Very little, but radially, at least 1 times bigger than flashboard diameter or more of the outer dimension of gate, this is unfavorable in the narrow of reactor
It is used in small space；
It is illustrated in figure 2 the gate valve of turning door structure, gate is overturn by flashboard and realizes folding, diameter in turning door structure
Can be done to size smaller, but size is larger in the height direction, on reactor in use, height dimension restricted and
Opposite direction is smaller due to being limited the pressure that can be born by transmission mechanism intensity, is not suitable for sodium-cooled fast reactor；
It is illustrated in figure 3 the gate valve of soft door, soft door is similar with sliding door structure, the difference is that lock
Plate is replaced with " mild steel ", with bending.The structure can solve the big disadvantage of push-pull configuration form size in diametrical direction, but diameter
It is not advantageous in size, and the sealing reliability Customers ' Legal Right of such structure, there is biggish risk using this structure type
In sodium-cooled fast reactor, when reactor dismantles installation secondary circuit sodium pump, it is radioactive to prevent that secondary circuit need to be sealed
Release, so that preventing sodium from contacting with air causes fire, due to the particularity of sodium-cooled fast reactor structure, reaches under lower pressure
Sealing requirements to preferable sealing effect, seal gate valve are higher, and reliable seal gate valve is needed to seal secondary circuit.Two times
The installation site of road sodium pump is in 8 buildings rooms, and installation site is high and narrow space, and when dismounting can only be from more than 40 meters of high factories
The skylight on roof enters and leaves secondary pump, needs the autocrane of large-tonnage to be operated, the height of gate valve directly influences crane
Tonnage size, to influence the economy of disassembly process.Traditional seal gate valve either in structure design aspect, or
In terms of safe and reliable, economy, it is all unable to satisfy sodium-cooled fast reactor requirement.
Summary of the invention
(1) goal of the invention
The present invention overcomes deficiencies in the prior art, provide a kind of flashboard folding, radial dimension and height easy to accomplish
Direction size is smaller for degree, is able to achieve the low pressure seal gate valve securely and reliably sealed under low voltage situations.
(2) technical solution
In order to solve the problems of prior art, the present invention is achieved by the following technical solutions：
A kind of low pressure seal gate valve, which includes cabinet, flashboard, retarder, rocking handle, it is critical that flashboard is by two
Flashboard composition, two flashboards are separately connected retarder, and retarder connect composition with rocking handle is turned.
Described two flashboards are two semicircle flashboards, and the faying face between two flashboards is inclined-plane, between two flashboards
Faying face be equipped with gasket.
Junction is equipped with sealing structure between the flashboard and cabinet.
The retarder is helical gear-worm and gear self-locking speed-down device, and retarder has self-locking function in off position,
Guarantee the reliability of sealing.
The rocking handle is that can be manually rotated rocking handle.
One end of left side flashboard is equipped with pressing plate in described two flashboards.
(3) beneficial effect
Compared with prior art, the beneficial effects of the invention are as follows：
The flashboard of the device is matched by two flashboards to be combined into, hence it is evident that the radial dimension and height for reducing flashboard make gate valve
Radial dimension it is smaller, be highly the half of closure size so that dismounting secondary pump can be completed with the crane of 300t, improve
The economy of sodium-cooled fast reactor secondary circuit disassembly sodium pump, is suitble to the needs of sodium-cooled fast reactor structure, while the device also ensures
In the lower situation of pressure, the leakproofness of gate valve further improves the safety of sodium-cooled fast reactor secondary circuit disassembly sodium pump.
Detailed description of the invention
Fig. 1 sliding door gate valve structure figure.
Fig. 2 turnover door gate valve structure figure.
Fig. 3 softness door lock valve arrangement figure.
State diagram when Fig. 4 two flashboards of the present invention are closed.
State diagram when Fig. 5 two flashboards of the present invention are opened.
1 cabinet, 2 flashboards, 3 fixed plates, 4 gaskets, 5 retarders, 6 pressing plates
Specific embodiment
Below in conjunction with specification drawings and specific embodiments, the present invention is further elaborated.
A kind of low pressure seal gate valve, as shown in Figure 4,5, the device include cabinet 1, flashboard, gasket 4, retarder 5, shake
Handle, flashboard are made of two semicircle flashboards 2, and two flashboards 2 are connect by fixed plate 3 with retarder 5 respectively, retarder 5 and
Rocking handle outside cabinet 1 connects composition, and the present apparatus, which uses, can be manually rotated rocking handle.There is sealing at left side flashboard 2 and 2 closure of right side flashboard
Pad 4, it is ensured that reliable leakproofness of the gate valve under low voltage situations.
Faying face between two flashboards 2 is inclined-plane, and the flashboard positioned at upside is equipped with pressing plate 6, can be more effectively in gate valve
Two flashboards 2 are compressed when closure, wherein the faying face between flashboard is equipped with gasket 4, and the junction between flashboard and cabinet 1 is set
There is sealing structure, further ensures the leakproofness between flashboard and flashboard, flashboard and cabinet 1；It is gasket 4 of the invention, close
Seal structure is all made of soft rubber gasket of the Shore hardness less than 55；The retarder 5 is self-locking using helical gear-worm and gear
Retarder makes retarder have self-locking function in off position, is further ensured that the security reliability of sealing.
Operating process of the invention is as follows：
Present apparatus closing course：
Rocking handle can be manually rotated by rotation right side first, drive right side helical gear -5 turns of worm and gear self-locking speed-down device
It is dynamic, and then right side flashboard 2 is driven, realize that flashboard is slowly closed with the rotation that can be manually rotated rocking handle.
Then it is rotated further by the rocking handle that can be manually rotated in left side, left side helical gear-worm and gear self-locking speed-down device 5 is driven to rotate,
Realize left side flashboard 2 as the rotation that can be manually rotated rocking handle is slowly closed.
Present apparatus opening process：
Similarly closed procedure, difference are for operation, and first have to rotation left side can be manually rotated rocking handle, realize left side flashboard
Then 2 unlatching can be manually rotated rocking handle on the right side of rotation, open the flashboard 2 on right side.
The device is easy to operate, and 1 people operation can complete the folding of sealing damper, safe and reliable reality within ten minutes
The sealing of existing secondary circuit.
Claims (5)
1. a kind of low pressure seal gate valve, which includes cabinet (1), flashboard, retarder (5), rocking handle, which is characterized in that flashboard
It is made of two flashboards (2), two flashboards are separately connected retarder (5), and retarder (5) is connect with rocking handle, two locks
Plate (2) is two semicircle flashboards, and the faying face between two flashboards (2) is inclined-plane, and the faying face between two flashboards is equipped with
Gasket (4).
2. a kind of low pressure seal gate valve according to claim 1, which is characterized in that combined between the flashboard and cabinet
Place is equipped with sealing structure.
3. a kind of low pressure seal gate valve according to claim 1, which is characterized in that the retarder (5) is helical teeth
Wheel-worm and gear self-locking speed-down device.
4. a kind of low pressure seal gate valve according to claim 1, which is characterized in that the rocking handle is that can be manually rotated to shake
Handle.
5. a kind of low pressure seal gate valve according to claim 1, which is characterized in that left side flashboard in described two flashboards
One end is equipped with pressing plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610040667.3A CN105526366B (en) | 2016-01-21 | 2016-01-21 | A kind of low pressure seal gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610040667.3A CN105526366B (en) | 2016-01-21 | 2016-01-21 | A kind of low pressure seal gate valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105526366A CN105526366A (en) | 2016-04-27 |
| CN105526366B true CN105526366B (en) | 2018-11-30 |
Family
ID=55768774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610040667.3A Active CN105526366B (en) | 2016-01-21 | 2016-01-21 | A kind of low pressure seal gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105526366B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201582350U (en) * | 2009-12-29 | 2010-09-15 | 博能传动(苏州)有限公司 | Helical gear - worm reduction gear |
| CN201636353U (en) * | 2010-03-12 | 2010-11-17 | 中国原子能科学研究院 | Brake valve device |
| CN104163368A (en) * | 2014-08-05 | 2014-11-26 | 苏州德朗控制技术有限公司 | Elevator control cabinet with intelligent heat dissipation function |
| CN204140918U (en) * | 2014-09-24 | 2015-02-04 | 新乡市玉祥阀门厂 | A kind of valve |
| CN205534266U (en) * | 2016-01-21 | 2016-08-31 | 中国原子能科学研究院 | Low pressure seal gate valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200472437Y1 (en) * | 2013-10-08 | 2014-04-29 | 주식회사 효신 | Alarm valve |
-
2016
- 2016-01-21 CN CN201610040667.3A patent/CN105526366B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201582350U (en) * | 2009-12-29 | 2010-09-15 | 博能传动(苏州)有限公司 | Helical gear - worm reduction gear |
| CN201636353U (en) * | 2010-03-12 | 2010-11-17 | 中国原子能科学研究院 | Brake valve device |
| CN104163368A (en) * | 2014-08-05 | 2014-11-26 | 苏州德朗控制技术有限公司 | Elevator control cabinet with intelligent heat dissipation function |
| CN204140918U (en) * | 2014-09-24 | 2015-02-04 | 新乡市玉祥阀门厂 | A kind of valve |
| CN205534266U (en) * | 2016-01-21 | 2016-08-31 | 中国原子能科学研究院 | Low pressure seal gate valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105526366A (en) | 2016-04-27 |
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