CN219692115U - Nuclear power plant damper with bidirectional damping locking mechanism - Google Patents
Nuclear power plant damper with bidirectional damping locking mechanism Download PDFInfo
- Publication number
- CN219692115U CN219692115U CN202320547591.9U CN202320547591U CN219692115U CN 219692115 U CN219692115 U CN 219692115U CN 202320547591 U CN202320547591 U CN 202320547591U CN 219692115 U CN219692115 U CN 219692115U
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- Prior art keywords
- valve
- pipe
- butterfly
- valve block
- half butterfly
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- 238000013016 damping Methods 0.000 title claims abstract description 18
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 8
- 230000001154 acute effect Effects 0.000 claims description 13
- 238000003466 welding Methods 0.000 abstract description 9
- 230000003068 static effect Effects 0.000 abstract description 3
- 230000000737 periodic effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 31
- 230000000694 effects Effects 0.000 description 7
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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Abstract
A nuclear power plant damper with a bidirectional damping locking mechanism is characterized in that a static friction resistance function, a locking function and the like of the damper are usually realized by adopting two opposite one-way valves. But the unidirectional valve is built-in the attenuator equipment, uses its structure for a long time and receives the damage easily, needs periodic attenuator to inspect and maintain, will lead to whole attenuator to scrap after the check valve damages, has influenced the normal operating of equipment, has increased the use cost of equipment, and this product is constituteed and is included the single valve, the single valve has straight tube and half butterfly pipe intercommunication to form, and half butterfly pipe has butterfly circular arc tube and butterfly straight tube to make up, straight tube and half butterfly pipe both sides intersection is equipped with a mouthful and No. two mouthfuls respectively, half butterfly pipe axis is sharp angle in the tangential direction of a mouthful exit and a mouthful entry direction contained angle A, and straight tube axis and half butterfly pipe axis are sharp angle in No. two mouthfuls contained angle B, four single valves weld into the valves respectively, two valves symmetry welding cost device.
Description
Technical Field
The utility model relates to a nuclear power plant damper with a bidirectional damping locking mechanism.
Background
At present, the static friction resistance function, the locking function and the like of the damper are usually realized by adopting two unidirectional valves with opposite directions. However, the one-way conduction valve is arranged in the damper equipment, the structure of the one-way conduction valve is easy to damage after long-time use, the damper needs to be checked and maintained regularly, once the one-way valve is damaged, the whole damper is scrapped, the normal operation of the equipment is affected, the use cost of the equipment is increased, and the device is needed to solve the problems.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a special half butterfly type circular tube connecting structure, which realizes the unidirectional conduction locking function of the damper without any movable part; the unidirectional conduction is realized as much as possible without inputting any energy; a damper locking mechanism of a nuclear power plant has the advantages of long service life, high reliability and no maintenance.
The utility model aims at realizing the following technical scheme:
the utility model provides a nuclear power plant damper of two-way damping locking mechanical system, its constitution includes the single valve, the single valve has straight tube and half butterfly pipe intercommunication to form, and half butterfly pipe has butterfly circular arc pipe and butterfly straight tube to form, straight tube and half butterfly pipe both sides intersection are equipped with a mouthful and No. two mouthfuls respectively, half butterfly pipe axis is the acute angle in the tangential direction of a mouthful department export and a mouthful entry direction contained angle A, and straight tube axis and half butterfly pipe axis are the acute angle in No. two mouthfuls department contained angle B, four single valves weld into the valves respectively, two valves symmetry welding cost device.
The nuclear power plant damper of two-way damping locking mechanism, four single valves weld into the valves in proper order, the serial number of four single valves is valve group one, valve group two, valve group three, valve group four in proper order from left to right, the welding of valve group two mouths of valve group one and valve group two mouths of valve group two, the welding of valve group two mouths of valve group two and valve group three mouths of valve group three, the welding of valve group three mouths of valve group two and valve group four mouths of valve, the butterfly straight tube of valve group one and the straight tube of valve group two are on a straight line, the half butterfly pipe of valve group one and the half butterfly pipe of valve group two are on the straight line both sides respectively, the half butterfly pipe of valve group three and the half butterfly pipe of valve group three are on the straight line both sides respectively.
The nuclear power plant damper of the bidirectional damping locking mechanism is characterized in that the two groups of valve groups are symmetrically arranged, and the second ports of the fourth valves of the two groups of valve groups are welded together.
Advantageous effects
When the device is used, the outlets on two sides of the hydraulic cylinder of the damper are respectively connected with the inlets on two sides of the device, when the equipment vibrates, the device plays a role in damping or locking no matter whether the damper is in a stretching or compression state, when the damper is subjected to larger impact, and liquid enters the device from the left valve group side, the liquid enters the straight pipe passing through the valve group I from the valve group I, the straight pipe of the valve group II, the straight pipe of the valve group III and the straight pipe of the valve group IV flows to the valve group II on the right side, because the angle B is an acute angle, the liquid flowing into the valve group II on the right side flows into the half butterfly pipe and the straight pipe of the valve group IV on the right side respectively, the liquid generates damping effect under the effect of the half butterfly pipe, because the angle A is that the liquid flowing out of the half butterfly pipe collides at the tail end of the straight pipe, turbulence and hydraulic impact are generated, so that little liquid can flow into the next valve group, and thus the locking effect is generated on the liquid,
when the damper is subjected to gentle impact, and liquid enters the device from the valve bank side, liquid enters the straight pipe passing through the valve bank first valve from the valve bank first valve first port, the straight pipe of the valve bank second valve, the straight pipe of the valve bank third valve, the straight pipe of the valve bank fourth valve flows into the half butterfly pipe and the straight pipe of the valve bank fourth valve on the right side, and liquid flowing out of the half butterfly pipe and the straight pipe slowly flows into the next valve bank according to the above mode, so that damping action is started, and when the liquid enters the device from the right side, the liquid flows reversely, and the principle is as described above.
The device adopts a special half butterfly structure to realize the unidirectional conduction locking function of the damper without any movable part; the unidirectional conduction is realized as much as possible without inputting any energy; the structure has the advantages of long service life, high reliability, no maintenance, simple structure, low processing cost and low use cost, and the half butterfly structure enables liquid to collide with the pipeline to form resistance when flowing reversely, two liquid flows are formed when flowing through the half butterfly valve, the two liquid flows collide at the outlet to form turbulence and larger liquid resistance, and the plurality of half butterfly valves are connected in series to enable the resistance to be accumulated, so that a locking function is formed.
Drawings
FIG. 1 is a schematic view of a damper locking mechanism according to the present utility model.
Fig. 2 is a schematic view of a single valve structure according to the present utility model.
Fig. 3 is a schematic diagram of the flow direction of the liquid when the valve set of the present utility model is turned on.
FIG. 4 is a schematic diagram of the flow direction of the fluid when the valve block according to the present utility model is closed.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples:
the utility model provides a nuclear power plant's attenuator latching mechanism, includes the single valve, the single valve has straight tube and half butterfly pipe intercommunication, and half butterfly pipe includes butterfly shape circular arc pipe and butterfly straight tube, straight tube and half butterfly pipe both sides intersection are equipped with a mouthful and No. two mouthfuls respectively, half butterfly pipe axis is the acute angle at the tangential direction of a mouthful department export and a mouthful entry direction contained angle A, and straight tube axis and half butterfly pipe axis are the acute angle at No. two mouthfuls contained angle B, four single valves weld into the valves respectively, two valves symmetry welding cost device.
The valve bank is formed by sequentially welding four single valves, the serial numbers of the four single valves are a valve bank I, a valve bank II, a valve bank III and a valve bank IV from left to right, the serial numbers of the valve bank I and the valve bank II are welded, the serial numbers of the valve bank II and the valve bank III are welded, the serial numbers of the valve bank III and the valve bank IV are welded, the butterfly straight pipe of the valve bank I and the straight pipe of the valve bank II are in a straight line, the butterfly half pipe of the valve bank I and the butterfly half pipe of the valve bank II are respectively in two sides of the straight line, the butterfly half pipe of the valve bank III and the butterfly half pipe of the valve bank II are in two sides of the straight line, the butterfly half pipe of the valve bank II and the butterfly half pipe of the valve bank III are in two sides of the straight line, the butterfly half pipe of the valve bank III and the butterfly half pipe of the valve II are respectively in two sides of the straight line.
The two groups of valve groups are symmetrically arranged, and the second ports of the fourth valves of the two groups of valve groups are welded together.
The utility model provides a nuclear power plant damper locking mechanism, includes single valve 110, single valve 110 has straight tube 111 and half butterfly pipe 112 intercommunication to form, and half butterfly pipe 112 has butterfly circular arc pipe 1121 and butterfly straight tube 1122 to make up, straight tube 111 and half butterfly pipe 112 both sides intersection do not are equipped with a mouth 113 and No. two mouths 114 respectively, half butterfly pipe 112 axis is the acute angle in the tangential direction of a mouth 113 exit and a mouth 113 entry direction contained angle A, and straight tube 111 axis and half butterfly pipe axis are the acute angle in No. two mouths 114 contained angle B, four single valves 110 weld into valves 120 respectively, two valves 120 symmetry welding cost device. The four single valves 110 are sequentially welded into a valve bank 120, the numbers of the four single valves 110 are, from left to right, a valve bank first valve 1201, a valve bank second valve 1202, a valve bank third valve 1203 and a valve bank fourth valve 1204, the second port 114 of the valve bank first valve 1201 and the first port 113 of the valve bank second valve 1202 are welded, the second port 114 of the valve bank second valve 1202 and the first port 113 of the valve bank third valve 1203 are welded, the second port 114 of the valve bank third valve 1203 and the first port 113 of the valve bank fourth valve 1204 are welded, the butterfly straight tube 1122 of the valve bank first valve 1201 and the straight tube 111 of the valve bank second valve 1202 are on the same straight line, the half butterfly tube 112 of the valve bank first valve 1201 and the half butterfly tube 112 of the valve bank second valve 1202 are on the same straight line, the half butterfly tube 112 of the valve bank third valve 1202 and the half butterfly tube 1203 are on the two straight lines, the half butterfly tube 111 of the valve bank third valve 1203 and the half butterfly tube 1204 of the valve 1203 are on the straight line, and the half butterfly tube 1204 of the straight tube 111 of the valve bank third valve 1203 and the half butterfly tube 1203 are on the straight line, respectively.
The two sets of valve banks 120 are symmetrically arranged, and the second ports 114 of the fourth valve 1204 of the two sets of valve banks 120 are welded together.
When the device is used, the outlets on two sides of the hydraulic cylinder of the damper are respectively connected with the inlets on two sides of the device, when the equipment vibrates, due to the symmetrical arrangement of the device, no matter whether the damper is in a stretching or compression state, the device plays a role in damping or locking, when the damper is subjected to large impact, and liquid enters the device from the left valve bank 120 side, the liquid enters the straight pipe 111 passing through the valve bank 1201 from the first port 113 of the valve bank 1201, the straight pipe 111 of the valve bank 1202, the straight pipe 111 of the valve bank 1203 of the valve bank III, the straight pipe 111 of the valve bank 1204 of the valve bank IV flows to the second port 114 of the valve bank 120 of the valve 1204 of the right side, because the angle B is an acute angle, the liquid flowing into the second port 114 of the fourth valve 1204 of the right valve block flows into the half butterfly pipe 112 and the straight pipe 111 of the fourth valve 1204 of the right valve block respectively, the liquid generates damping effect under the action of the half butterfly pipe 112, because the angle A is an acute angle, the liquid flowing out of the half butterfly pipe 112 collides at the end of the straight pipe 111 to generate turbulence and hydraulic impact, so that the liquid energy is lost, and a small part of the liquid flows into the next valve block 120 to generate locking effect on the liquid, when the damper is subjected to gentle impact, and the liquid enters the device from the side of the valve block 120, the liquid enters the straight pipe 111 passing through the first valve 1201 of the first valve 1201 from the first port 113 of the first valve 1201 of the valve block, the straight pipe 111 of the second valve 1202 of the valve block, the straight pipe 111 of the third valve 1203 of the valve block, the liquid flowing into the straight pipe 111 of the valve block four valve 1204 and flowing into the second port 114 of the valve block four valve 1204 on the right side flows into the half butterfly pipe 112 and the straight pipe 111 of the valve block four valve 1204 on the right side respectively, and the liquid flowing out from the half butterfly pipe 112 and the straight pipe 111 slowly flows into the next valve block 120 in the above manner, so that the damping effect is started, and when the liquid enters the device from the right side, the liquid flows in the opposite directions, and the principle is as described above.
A nuclear power plant damper with a bidirectional damping locking mechanism is characterized in that a static friction resistance function, a locking function and the like of the damper are usually realized by adopting two opposite one-way valves. But one-way switch-on valve embeds in the attenuator equipment, uses its structure for a long time and receives the damage easily, and the nuclear power plant's attenuator of two-way damping latching mechanism, its constitution includes the single valve, the single valve has straight tube and half butterfly pipe intercommunication to form, and half butterfly pipe has butterfly circular arc pipe and butterfly straight tube to make up, straight tube and half butterfly pipe both sides intersection are equipped with a mouthful and No. two mouthfuls respectively, half butterfly pipe axis is the acute angle in the tangential direction of a mouthful exit and a mouthful entry direction contained angle A, and straight tube axis and half butterfly pipe axis are the acute angle in No. two mouthfuls contained angle B, four single valves weld into the valves respectively, two valves symmetry welding cost device. The product is used as a damper for a nuclear power plant.
Claims (3)
1. The nuclear power plant damper of the bidirectional damping locking mechanism comprises a single valve and is characterized in that the single valve is formed by connecting a straight pipe and a half butterfly pipe, the half butterfly pipe is formed by combining a butterfly arc pipe and a butterfly straight pipe, a first port and a second port are respectively arranged at the intersection of two sides of the straight pipe and the half butterfly pipe, an included angle A between the tangential direction of an outlet of the first port and the inlet direction of the first port of an axis of the half butterfly pipe is an acute angle, an included angle B between the axis of the straight pipe and the axis of the half butterfly pipe is an acute angle, the four single valves are respectively welded into valve groups, and the two valve groups are symmetrically welded into the cost device.
2. The nuclear power plant damper of the bidirectional damping locking mechanism of claim 1, wherein the four single valves are sequentially welded into a valve block, the numbers of the four single valves are from left to right, a valve block I valve, a valve block II valve, a valve block III valve and a valve block IV valve, a valve block I valve II port and a valve block II port are welded, a valve block II port and a valve block III port are welded, a valve block III port and a valve block IV port are welded, a valve block I butterfly straight pipe and a valve block II straight pipe are on a straight line, a valve block I valve half butterfly pipe and a valve block II half butterfly pipe are on two sides of the straight line respectively, a valve block III half butterfly pipe and a valve block II half butterfly pipe are on two sides of the straight line, a valve block II half butterfly pipe and a valve III half butterfly pipe are on two sides of the straight line respectively, and a valve IV half butterfly pipe and a valve butterfly pipe are on two sides of the straight line respectively.
3. The nuclear power plant damper of the bi-directional damping latching mechanism of claim 1 or 2, wherein said two sets of valve blocks are symmetrically arranged, and the second ports of the fourth valves of said two sets of valve blocks are welded together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320547591.9U CN219692115U (en) | 2023-03-20 | 2023-03-20 | Nuclear power plant damper with bidirectional damping locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320547591.9U CN219692115U (en) | 2023-03-20 | 2023-03-20 | Nuclear power plant damper with bidirectional damping locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219692115U true CN219692115U (en) | 2023-09-15 |
Family
ID=87938981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320547591.9U Active CN219692115U (en) | 2023-03-20 | 2023-03-20 | Nuclear power plant damper with bidirectional damping locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219692115U (en) |
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2023
- 2023-03-20 CN CN202320547591.9U patent/CN219692115U/en active Active
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