CN203477418U - Valve for cross pipe pressure type reactor - Google Patents
Valve for cross pipe pressure type reactor Download PDFInfo
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- CN203477418U CN203477418U CN201320568228.1U CN201320568228U CN203477418U CN 203477418 U CN203477418 U CN 203477418U CN 201320568228 U CN201320568228 U CN 201320568228U CN 203477418 U CN203477418 U CN 203477418U
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- valve
- ring
- valve body
- ball valve
- seal ring
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Abstract
The utility model relates to a valve for a cross pipe pressure type reactor. The valve for the cross pipe pressure type reactor can carry out feeding operation and discharging operation on the reactor when the reactor normally works. The valve for the cross pipe pressure type reactor comprises a valve casing (1), a ball valve (2) and a ball valve rod (3), wherein a liquid inlet channel (4) and a liquid outlet channel (4) are arranged in the valve casing, are communicated with each other, and are arranged on the same straight line, a valve casing top cover (5) is arranged on the top of the valve casing, one end of the ball valve rod penetrates through the valve casing top cover and then is connected with a groove formed in the upper end of the ball valve, a valve body (11) is arranged between the ball valve and the valve casing, a valve body rod (12) is fixedly arranged at the upper end of the valve body, a worm wheel (9) and a worm (10) are installed on the valve body rod, a linkage rod (27) is further hinged to the upper end of the ball valve rod, and a refueling window (28) is further formed in the side wall of the valve casing.
Description
Technical field
The utility model relates to a kind of valve, particularly relates to a kind of valve for cross pipe pressure type reactor.
Background technique
The mode that the mankind consume disposable energy development economy excessively must change.Following 40 years, safety, clean, efficient, reliable nuclear-energy plant will enter the fast-developing phase, and 60,000 kilowatts of power of heap and above marine nuclear power plant will come into one's own day by day.
Heavy water reactor, is one of four large main flow reactor types of application at present, and its commercial value just constantly rises in value.Heavy water reactor, can load and draw off fuel uranium online because it has, can be to advantages such as the real-time detection of each pipe heap and controls, and its inherent safety is recognized altogether for the public.And in the prior art, especially, in cross pipe pressure type reactor, under the situation of not shutdown of reactor, can not carry out online filling and discharging operation to nuclear fuel rod.
Model utility content
The technical problems to be solved in the utility model is to provide under a kind of situation running well at reactor can carry out to it cross pipe pressure type reactor valve of filler and discharging operation.
The utility model cross pipe pressure type reactor valve, comprise valve casing, ball valve and ball valve rod, in described valve casing, be provided with and be interconnected and the liquid in-out passage on same straight line, the top of valve casing is provided with a valve casing top cover, between valve casing top cover and valve casing, be provided with equalizing bed and the first seal ring, in described ball valve, be provided with ball valve passage, one end of described ball valve rod is connected with the groove of ball valve upper end through after valve casing top cover, between described ball valve and valve casing, be provided with valve body, the upper end of valve body is fixed with valve body bar, the cross section of described valve body bar is ring, described ball valve rod is positioned at valve body bar, in valve body, be provided with an inner chamber and with the valve channel of intracavity inter-connection, described valve channel and liquid in-out passage, ball valve passage is interconnected, one end of valve channel is provided with a retainer truss, the inner chamber of described valve body and the outer surface of ball valve fit, between ball valve and valve body, be provided with the second seal ring, between valve body and valve casing, be provided with the 3rd seal ring, between the lower end of valve body and valve casing, be provided with clutch shaft bearing and bearing gasket, between the upper end of valve body and valve casing top cover, be provided with the second bearing and the 4th seal ring, between described valve body bar and valve casing top cover, be provided with the 3rd bearing, the outside of the 3rd bearing is also provided with the 5th seal ring, between ball valve rod and valve body bar, be provided with the 4th bearing, the outside of the 4th bearing is also provided with the 6th seal ring, on the outer circle wall of described valve body bar, be also provided with the first gland nut, the first gland nut is adjacent to mutually with the 5th seal ring, on the inner peripheral wall of valve body bar, be also provided with the second gland nut, the second gland nut is adjacent to mutually with the 6th seal ring, the outside that is positioned at the first gland nut on valve body bar is also provided with worm gear and worm screw, the upper end of ball valve rod is also hinged with a linkage rod, on the upper-end surface of described valve body bar, be also provided with some grooves, this groove is used for placing in linkage rod the one end away from ball valve rod, on the sidewall of described valve casing, also have the window that reloads that can be connected with valve channel, the window that reloads is provided with a side sealing lid, between side sealing lid and valve casing, be provided with side sealing circle.
The utility model cross pipe pressure type reactor valve, the place, two ends of wherein said ball valve passage is respectively provided with the through hole of an along continuous straight runs, two through holes are arranged symmetrically with along the axis centre of ball valve passage, and the axis of the line of centres of two through holes and ball valve passage is 30 degree angles.
The utility model cross pipe pressure type reactor valve, the aperture of wherein said each through hole be ball valve passage aperture 1/3.
The utility model cross pipe pressure type reactor valve, wherein said the 4th seal ring is identical with the structure of described the 6th seal ring, all comprise labyrinth ring and lower labyrinth ring, lower labyrinth ring is that the below of described lower labyrinth ring is provided with hold-down ring, scrobicular ring, crescent moon ring, O type ring and stainless steel butterfly ripple spring from top to bottom successively to cuing open two-piece structure.
The utility model cross pipe pressure type reactor valve, wherein said crescent moon ring, O type ring, the second seal ring and the 3rd seal ring are all made by sintered silicon carbon, and upper labyrinth ring, lower labyrinth ring, hold-down ring and scrobicular ring are all made by cemented carbide.
The utility model cross pipe pressure type reactor is that by valve difference from prior art the ball valve rod in the utility model can drive ball valve to rotate with respect to valve body, and valve body also can rotate with respect to valve casing, when linkage rod is placed in to horizontal position, make the termination of linkage rod be positioned at the groove of valve body bar upper-end surface, so linkage rod is by ball valve rod together with valve body lever lock, valve body bar can be with moving valve with respect to valve casing, to rotate together with ball valve under the effect of worm gear, worm screw like this; When linkage rod is placed in to vertical position, now the termination of linkage rod departs from the groove of valve body bar upper-end surface, and static if valve body keeps, with mechanism hand roating sphere valve rod, ball valve just can rotate with respect to valve body.While needing refuelling rod, operation is positioned at the valve of oblique pressure pipe top, valve is herein the filler valve of whole cross pipe pressure type reactor, linkage rod in filler valve is placed in to horizontal position, power plant drive worm screw, worm gear to rotate afterwards, worm gear is with again moving valve bar to rotate, like this valve body and ball valve will together with respect to valve casing, rotate.When valve body turns over 90 while spending together with ball valve, open the side sealing lid on valve casing sidewall, from reloading, window is filled into untapped fuel rod in valve channel, a retainer truss that is positioned at valve channel one end is held fuel rod, change afterwards the window that again side sealing cap seal firmly reloaded after side sealing circle, then valve body bar is rotated to the filling work that 90 degree can complete fuel rod toward opposite direction.In the time the fuel rod after using need to being unloaded out, operation is positioned at the valve of oblique pressure pipe below, valve is herein the discharge gate of whole cross pipe pressure type reactor, operating process is loaded working procedure with above-mentioned fuel rod, when just turning over 90 degree at valve body together with ball valve, the fuel rod being finished is drawn off from the window that reloads.As can be seen here, under the situation that the utility model can run well at reactor, it is carried out to the operation of filler and discharging.
The utility model cross pipe pressure type reactor is respectively provided with the through hole of an along continuous straight runs with the place, two ends of ball valve passage in valve, indivedual pressure tubes of working as reactor are like this in the process promptly sealing and stopping, be about to linkage rod and be placed in vertical position, now the termination of linkage rod departs from the groove of valve body bar upper-end surface, with mechanism hand, ball valve is forwarded in the process of 90 degree with respect to valve body afterwards, when ball valve being turned over to 20～35 degree, two through holes and ball valve passage form the pressure releasing passages of S type, a loop liquid in pressure tube is when through this pressure releasing passages, can produce decompression, supercharging, the phenomenon reducing pressure again, there is good water hammer-resistant effect, also just prevented that large pressure surge from appearring in reactor system.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is that the utility model cross pipe pressure type reactor is looked sectional view with the master of valve;
Fig. 2 is the structural drawing of the 4th seal ring in valve for the utility model cross pipe pressure type reactor;
Fig. 3 is the vertical view cutaway drawing of valve for the utility model cross pipe pressure type reactor.
Embodiment
As shown in Figure 1, the utility model cross pipe pressure type reactor comprises valve casing 1 with valve, ball valve 2 and ball valve rod 3, in described valve casing 1, be provided with and be interconnected and the liquid in-out passage 4 on same straight line, the top of valve casing 1 is provided with a valve casing top cover 5, between valve casing top cover 5 and valve casing 1, be provided with equalizing bed 7 and the first seal ring 6, in described ball valve 2, be provided with ball valve passage 8, one end of described ball valve rod 3 is connected with the groove of ball valve 2 upper ends through valve casing top cover 5 is rear, between described ball valve 2 and valve casing 1, be provided with valve body 11, the upper end of valve body 11 is fixed with valve body bar 12, the cross section of described valve body bar 12 is ring, described ball valve rod 3 is positioned at valve body bar 12, in valve body 11, be provided with an inner chamber and with the valve channel 13 of intracavity inter-connection, described valve channel 13 and liquid in-out passage 4, ball valve passage 8 is interconnected, one end of valve channel 13 is provided with a retainer truss 14, described retainer truss 14 is circular, in annulus, be equipped with some pressure pins outward, between pressure pin, leave gap.The outer surface of the inner chamber of described valve body 11 and ball valve 2 fits, between ball valve 2 and valve body 11, be provided with the second seal ring 15, between valve body 11 and valve casing 1, be provided with the 3rd seal ring 16, between the lower end of valve body 11 and valve casing 1, be provided with clutch shaft bearing 17 and bearing gasket 18, between the upper end of valve body 11 and valve casing top cover 5, be provided with the second bearing 19 and the 4th seal ring 20.Shown in Fig. 2, described the 4th seal ring 20 comprises labyrinth ring 201 and lower labyrinth ring 202, lower labyrinth ring 202 is to cuing open two-piece structure, the below of described lower labyrinth ring 202 is provided with hold-down ring 203 from top to bottom successively, scrobicular ring 204, crescent moon ring 205, the stainless steel butterfly ripple spring 207 of O type ring 206 and high-strength high temperature-resistant, the material of described butterfly ripple spring 207 is 0Cr17Ni7Al, described crescent moon ring 205, O type ring 206 and second, three seal rings 15, 16 make by sintered silicon carbon, described upper labyrinth ring 201 and lower labyrinth ring 202, hold-down ring 203, scrobicular ring 204 is made by WC-Cr-Ni cemented carbide.Between described valve body bar 12 and valve casing top cover 5, be provided with the 3rd bearing 21, the outside of the 3rd bearing 21 is also provided with the 5th seal ring 22, between described the 3rd bearing 21 and the 5th seal ring 22, be provided with oiling agent, so that the 5th seal ring 22 reduces the frictional force between the 5th seal ring 22 and the 3rd bearing 21 while rotating along with valve body bar 12.Between ball valve rod 3 and valve body bar 12, be provided with the 4th bearing 23, the outside of the 4th bearing 23 is also provided with the 6th seal ring 24, the 6th seal ring 24 is identical with the structure of the 4th seal ring 20, between the 4th bearing 23 and the 6th seal ring 24, be provided with oiling agent, so that ball valve rod 3 reduces the frictional force between the 4th bearing 23 and the 6th seal ring 24 when rotating with respect to valve body bar 12.On the outer circle wall of described valve body bar 12, be also provided with the first gland nut 25, the first gland nut 25 is adjacent to mutually with the 5th seal ring 22, on the inner peripheral wall of valve body bar 12, be also provided with the second gland nut 26, the second gland nut 26 is adjacent to mutually with the 6th seal ring 24, the outside that is positioned at the first gland nut 25 on valve body bar 12 is also provided with worm gear 9 and worm screw 10, the upper end of ball valve rod 3 is also hinged with a linkage rod 27, on the upper-end surface of described valve body bar 12, be also provided with some grooves, this groove is used for placing in linkage rod 27 one end away from ball valve rod 3.Shown in Fig. 3, on the sidewall of described valve casing 1, also have the window 28 that reloads that can be connected with valve channel 13, the window 28 that reloads is provided with a side sealing lid, between side sealing lid and valve casing 1, is provided with side sealing circle.The place, two ends of described ball valve passage 8 is respectively provided with the through hole 29 of an along continuous straight runs, two through holes 29 are arranged symmetrically with along the axis centre of ball valve passage 8, the axis of the line of centres of two through holes 29 and ball valve passage 8 is 30 degree angles, the aperture of each through hole 29 be ball valve passage 8 aperture 1/3.
The material of the ball valve 2 in the utility model is for comprising 36%N1 and Cr, Mo and ultralow-carbon stainless steel (invar), when the indivedual pressure tube scram of needs, only need turn over the ball valve 2 in the valve of relevant pressure pipe, so just cut off contacting of heating medium light-water in this pressure tube and total reactor, whole reactor can continuous firing.The material of ball valve rod 3 is 309 stainless steels, and the material of valve body 11 is 17-6(00Cr17Ni6Cu4Nb) high-strength stainless steel, the material of valve casing 1 is 316L.
The utility model is applicable to large-scale ore and the intercontinental mechanical transport ship of crude oil, the nuclear power plant of boats and ships and ten thousand casees above container ships and military field, land reactor open ice, can carry out the power coarse adjustment of nuclear reactor power device, the vitality of naval vessels and operability are improved.
In the utility model, the S type pressure releasing passages of ball valve 2 interior settings, has good water hammer-resistant effect, has effectively limited the pressure surge of core one-level piping, is conducive to ensure the safety of reactor system, is conducive to reduce the noise of reactor system and marine nuclear power plant.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (5)
1. a cross pipe pressure type reactor valve, it is characterized in that: comprise valve casing (1), ball valve (2) and ball valve rod (3), in described valve casing (1), be provided with and be interconnected and the liquid in-out passage (4) on same straight line, the top of valve casing (1) is provided with a valve casing top cover (5), between valve casing top cover (5) and valve casing (1), be provided with equalizing bed (7) and the first seal ring (6), in described ball valve (2), be provided with ball valve passage (8), one end of described ball valve rod (3) is connected with the groove of ball valve (2) upper end through after valve casing top cover (5), between described ball valve (2) and valve casing (1), be provided with valve body (11), the upper end of valve body (11) is fixed with valve body bar (12), the cross section of described valve body bar (12) is ring, described ball valve rod (3) is positioned at valve body bar (12), in valve body (11), be provided with an inner chamber and with the valve channel (13) of intracavity inter-connection, described valve channel (13) and liquid in-out passage (4), ball valve passage (8) is interconnected, one end of valve channel (13) is provided with a retainer truss (14), the outer surface of the inner chamber of described valve body (11) and ball valve (2) fits, between ball valve (2) and valve body (11), be provided with the second seal ring (15), between valve body (11) and valve casing (1), be provided with the 3rd seal ring (16), between the lower end of valve body (11) and valve casing (1), be provided with clutch shaft bearing (17) and bearing gasket (18), between the upper end of valve body (11) and valve casing top cover (5), be provided with the second bearing (19) and the 4th seal ring (20), between described valve body bar (12) and valve casing top cover (5), be provided with the 3rd bearing (21), the outside of the 3rd bearing (21) is also provided with the 5th seal ring (22), between ball valve rod (3) and valve body bar (12), be provided with the 4th bearing (23), the outside of the 4th bearing (23) is also provided with the 6th seal ring (24), on the outer circle wall of described valve body bar (12), be also provided with the first gland nut (25), the first gland nut (25) is adjacent to mutually with the 5th seal ring (22), on the inner peripheral wall of valve body bar (12), be also provided with the second gland nut (26), the second gland nut (26) is adjacent to mutually with the 6th seal ring (24), the outside that is positioned at the first gland nut (25) on valve body bar (12) is also provided with worm gear (9) and worm screw (10), the upper end of ball valve rod (3) is also hinged with a linkage rod (27), on the upper-end surface of described valve body bar (12), be also provided with some grooves, this groove is used for placing the upper one end away from ball valve rod (3) of linkage rod (27), on the sidewall of described valve casing (1), also have the window that reloads (28) that can be connected with valve channel (13), the window (28) that reloads is provided with a side sealing lid, side sealing lid and valve casing are provided with side sealing circle between (1).
2. cross pipe pressure type reactor valve according to claim 1, it is characterized in that: the place, two ends of described ball valve passage (8) is respectively provided with the through hole (29) of an along continuous straight runs, two through holes (29) are arranged symmetrically with along the axis centre of ball valve passage (8), and the axis of the line of centres of two through holes (29) and ball valve passage (8) is 30 degree angles.
3. cross pipe pressure type reactor valve according to claim 1 and 2, is characterized in that: the aperture of described each through hole (29) be ball valve passage (8) aperture 1/3.
4. cross pipe pressure type reactor valve according to claim 3, it is characterized in that: described the 4th seal ring (20) is identical with the structure of described the 6th seal ring (24), all comprise labyrinth ring (201) and lower labyrinth ring (202), lower labyrinth ring (202) is that the below of described lower labyrinth ring (202) is provided with hold-down ring (203), scrobicular ring (204), crescent moon ring (205), O type ring (206) and stainless steel butterfly ripple spring (207) from top to bottom successively to cuing open two-piece structure.
5. cross pipe pressure type reactor valve according to claim 4, it is characterized in that: described crescent moon ring (205), O type ring (206), the second seal ring (15) and the 3rd seal ring (16) are all made by sintered silicon carbon, and upper labyrinth ring (201), lower labyrinth ring (202), hold-down ring (203) and scrobicular ring (204) are all made by cemented carbide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320568228.1U CN203477418U (en) | 2013-09-12 | 2013-09-12 | Valve for cross pipe pressure type reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320568228.1U CN203477418U (en) | 2013-09-12 | 2013-09-12 | Valve for cross pipe pressure type reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203477418U true CN203477418U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320568228.1U Withdrawn - After Issue CN203477418U (en) | 2013-09-12 | 2013-09-12 | Valve for cross pipe pressure type reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203477418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470801A (en) * | 2013-09-12 | 2013-12-25 | 韩先锋 | Valve for cross pipe pressurized reactor |
-
2013
- 2013-09-12 CN CN201320568228.1U patent/CN203477418U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470801A (en) * | 2013-09-12 | 2013-12-25 | 韩先锋 | Valve for cross pipe pressurized reactor |
| CN103470801B (en) * | 2013-09-12 | 2015-06-10 | 韩先锋 | Valve for cross pipe pressurized reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20150610 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20150610 |
|
| RGAV | Abandon patent right to avoid regrant |