CN206159639U - Low -noise high pressure difference regulating valve - Google Patents
Low -noise high pressure difference regulating valve Download PDFInfo
- Publication number
- CN206159639U CN206159639U CN201621113146.8U CN201621113146U CN206159639U CN 206159639 U CN206159639 U CN 206159639U CN 201621113146 U CN201621113146 U CN 201621113146U CN 206159639 U CN206159639 U CN 206159639U
- Authority
- CN
- China
- Prior art keywords
- valve
- lamination
- high pressure
- noise high
- low noise
- 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.)
- Expired - Fee Related
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 18
- 238000003475 lamination Methods 0.000 claims abstract description 33
- 238000003466 welding Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 18
- 230000037361 pathway Effects 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 241000511375 Corbula Species 0.000 abstract 6
- 230000008859 change Effects 0.000 description 3
- 230000003276 anti-hypertensive effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Details Of Valves (AREA)
- Lift Valve (AREA)
Abstract
The utility model relates to a valve body field discloses low -noise high pressure difference regulating valve, which comprises the following components: a valve body, the disk seat of setting in the valve body, integral type case valve rod, well intracavity in the disk seat is equipped with the annular maze lamination corbula of circle, maze lamination corbula includes annular corbula, the level sets up the inside circular shape lamination at corbula, the middle part of lamination is equipped with the round hole that is used for integral type case valve rod to pass, the upper surface of lamination is equipped with a plurality of guiding gutters, all be equipped with the baffle that quantity is the same on the medial surface of every guiding gutter, the length of baffle is elongated gradually from corbula to the round hole, the baffle dislocation set of the guiding gutter left and right sides, the juncture of guiding gutter and round hole is equipped with the arc bounding wall of epirelief, valve rod and case threaded connection to in case top welding, set up the pressure welding piece, and it is transversely fixed through the bolt. The utility model discloses an improvement to maze lamination corbula structure for the step -down effect is better, and the low easy cracked problem of case valve rod joint strength has been avoided through the improvement to the case valve rod.
Description
Technical field
The utility model is related to valve body field, more particularly to low noise high pressure differential regulating valve.
Background technology
Regulating valve is arranged between feed pump and boiler, as domestic Thermal Power Generation Industry develops towards large-sized unit direction, unit
Parameter more and more higher, nominal pressure is also improved therewith, can reach 60mPa, and traditional feed-regulating valve is belonging to multistage orifice-plate type
Reducing pressure by regulating flow, its resistance coefficient be 10, can solve pressure reduction it is not high when valve problem of cavitation.But it is postcritical in more than 300MW
In unit, due to flow velocity it is high so that it is more serious the problems such as erosion, vibration, the noise of valve, and flow is with the change of stroke
Change increase, regulation performance also decreases, actual life of valve because under high pressure, high temperature, high flow rate continuous firing face it is big
It is big to reduce；Existing regulating valve majority, valve rod valve element bonding strength low appearance poor in the single antihypertensive effect of labyrinth lamination cage nested structure
Easy fracture.
Utility model content
The utility model is poor for lamination cage nested structure single antihypertensive effect in labyrinth in prior art, and the connection of valve rod valve element is strong
The low shortcoming being easily broken off of degree, there is provided low noise high pressure differential regulating valve.
In order to solve above-mentioned technical problem, the utility model is addressed by following technical proposals：
Low noise high pressure differential regulating valve, including valve body, the valve seat being arranged in valve body, integral type valve core valve stem, in valve seat
There is a lumen, the labyrinth lamination cage set of annular is provided with lumen, labyrinth lamination cage set includes the cage set of annular, is horizontally set on
Circular lamination inside cage set, is provided with the circular hole passed through for integral type valve core valve stem, the upper surface of lamination in the middle part of lamination
Multiple guiding gutters are provided with, the medial surface of each guiding gutter is provided with quantity identical baffle plate, and the length of baffle plate is set to circular hole from cage
Progressively longer, the baffle-plate misplacement of the guiding gutter left and right sides is arranged, first piece of baffle plate setting in left side in first piece of right side baffle plate and
Second piece of baffle plate middle part, guiding gutter is provided with convex arc coaming plate with the intersection of circular hole.The side of cage set offers multiple use
In the hole of liquid flowing.
Preferably, lamination is integrally formed with cage set, adjacent laminates.
Preferably, valve body is provided with feed pathway, liquid outlet channel, feed pathway is located at the outside of cage set, liquid outlet channel
Connect with lumen, feed pathway is with liquid outlet channel in -30 ° of inclinations.
Preferably, the import of feed pathway is identical with the outlet height of liquid outlet channel.
Preferably, also including being fixed on the valve gap on valve body top, integral type valve core valve stem is through the circle on valve gap, lamination
Hole extend into lumen bottom, and the bottom of integral type valve core valve stem contacts to form sealing and blow-by with not contacting with lumen connection.
Preferably, valve gap is bolted with valve body, gasket seal is provided between valve gap and valve body.
Preferably, integral type valve core valve stem includes valve rod, valve element, valve element top is provided with screwed accommodating cavity, holds
Put top of chamber and be welded with nut, in commissure press welding block is provided with；Valve rod is threadedly coupled with valve element.
Preferably, offering a horizontal pin hole on valve rod, the side wall of valve element offers one and crosses the logical of accommodating cavity
Hole, valve rod extend in accommodating cavity and inserts through hole by latch and fixes valve element with valve rod with pin hole.
The utility model as a result of above technical scheme, with significant technique effect：The utility model is by right
The mechanism of labyrinth lamination cage set improves, and is coordinated by baffle plate staggeredly and arc coaming plate and enables swiftly flowing fluid in fan
Mutually clash in palace, rub and converge, kinetic energy is consumed in a large number, effectively reduce undertaking most pressure drops while speed, significantly
Reduce the generation of noise；A nut is welded on valve element, and press welding block is set, valve rod is threadedly coupled with valve element, and passes through
Latch is laterally fixed, and convenient disassembly, tensile strength is big.
Description of the drawings
Fig. 1 is sectional view of the present utility model.
Fig. 2 is the structure chart of integral type valve core valve stem.
Fig. 3 is the top view of labyrinth lamination cage set.
The toponym that each number designation is referred in accompanying drawing is as follows：1-valve rod, 2-nut, 3-latch, 4-valve element,
5-press welding block, 6-valve body, 7-valve seat, 7a-lumen, 8-valve gap, 9-gasket seal, 10-labyrinth lamination cage set, 11-
Integral type valve core valve stem, 12-liquid outlet channel, 13-outlet, 14-feed pathway, 15-import, 16-baffle plate, 17-water conservancy diversion
Groove, 18-cage set, 19-arc coaming plate, 20-circular hole.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail with embodiment.
Embodiment 1
Low noise high pressure differential regulating valve, as shown in Figure 1-Figure 3, including valve body 6, be arranged in valve body 6 valve seat 7, one
There is a lumen 7a in formula valve core valve stem 11, valve seat 7, the labyrinth lamination cage that annular is provided with lumen 7a covers 10, labyrinth lamination cage
Set 10 includes that the cage of annular covers 18, the circular lamination being horizontally set on inside cage set 18, is provided with the middle part of lamination for one
The circular hole 20 that formula valve core valve stem 11 is passed through, the upper surface of lamination is provided with multiple guiding gutters 17, on the medial surface of each guiding gutter 17
Quantity identical baffle plate 16 is provided with, the length of baffle plate 16 is progressively longer to circular hole 20 from cage set 18, the left and right sides of guiding gutter 17
Baffle plate 16 is shifted to install, first piece of baffle plate setting in left side in the middle part of first piece of right side baffle plate and second piece of baffle plate, guiding gutter 17
Convex arc coaming plate 19 is provided with the intersection of circular hole 20.Arc coaming plate 19 coordinates guiding gutter 17 to reduce rate of flow of fluid.Cage set
18 side offers multiple holes for liquid flowing.
Lamination is integrally formed with cage set 18, adjacent laminates.Seal between upper and lower two laminations, liquid passes through guiding gutter 17
Flow to circular hole 20.
Valve body 6 is provided with feed pathway 14, liquid outlet channel 12, and feed pathway 14 is located at the outside of cage set 18, liquid outlet channel
12 connect with lumen 7a, and feed pathway 14 is with liquid outlet channel 12 in -30 ° of inclinations.Liquid enters lumen 7a from import 15, flows into
Guiding gutter 17 is flowed into circular hole 20 after the step-down of guiding gutter 17.
The import 15 of feed pathway 14 is highly identical with the outlet 13 of liquid outlet channel 12.Avoid causing pressure because of difference in height
Power is poor.
Also include being fixed on the valve gap 8 on the top of valve body 6, integral type valve core valve stem 11 is through the circular hole 20 on valve gap 8, lamination
Extend into lumen 7a bottoms, the bottom of integral type valve core valve stem 11 and lumen 7a connections contact with do not contact to be formed seal with it is not close
Envelope, integral type valve core valve stem 11 stretches out the position connection executing agency of valve gap 8.
Valve gap 8 is bolted with valve body 6, and gasket seal 9 is provided between valve gap 8 and valve body 6.Ensure whole valve
Sealing property.
Integral type valve core valve stem 11 includes valve rod 1, valve element 4, and the top of valve element 4 is provided with screwed accommodating cavity, accommodating cavity
Welded top has nut 2, and in commissure press welding block 5 is provided with；Valve rod 1 is threadedly coupled with valve element 4.Valve rod 1 is screwed into nut 2 and houses
Chamber, by the nut 2 arranged at the top of accommodating cavity bonding strength is strengthened.
A horizontal pin hole is offered on valve rod 1, the side wall of valve element 4 offers a through hole for crossing accommodating cavity, valve rod 1
It extend in accommodating cavity and through hole is inserted by latch 3 and fixes valve element 4 with valve rod 1 with pin hole.Made by horizontal fixation
Obtain valve rod 1 more stable with the connection of valve element 4.
In a word, preferred embodiment of the present utility model is the foregoing is only, it is all according to the utility model claim institute
The impartial change of work and modification, should all belong to the covering scope of the utility model patent.
Claims (8)
1. low noise high pressure differential regulating valve, including valve body (6), valve seat (7), the integral type valve core valve stem being arranged in valve body (6)
(11), it is characterised in that：There is labyrinth lamination cage set (10) that annular is provided with a lumen (7a), lumen (7a) in valve seat (7),
Labyrinth lamination cage set (10) includes annular cage set (18), the circular lamination being horizontally set on inside cage set (18), cage set
(18) hole for liquid flowing is provided with, the circular hole passed through for integral type valve core valve stem (11) is provided with the middle part of lamination
(20), the upper surface of lamination is provided with multiple guiding gutters (17), and the medial surface of each guiding gutter (17) is provided with quantity identical gear
Plate (16), the length of baffle plate (16) is progressively longer to circular hole (20) from cage set (18), the baffle plate of guiding gutter (17) left and right sides
(16) shift to install, first piece of baffle plate setting in left side in the middle part of first piece of right side baffle plate and second piece of baffle plate, guiding gutter (17)
Convex arc coaming plate (19) is provided with the intersection of circular hole (20).
2. low noise high pressure differential regulating valve according to claim 1, it is characterised in that：It is lamination and cage set (18), adjacent folded
Piece is integrally formed.
3. low noise high pressure differential regulating valve according to claim 1, it is characterised in that：Valve body (6) is provided with feed pathway
(14), liquid outlet channel (12), feed pathway (14) is connected positioned at the outside of cage set (18), liquid outlet channel (12) with lumen (7a),
Feed pathway (14) is with liquid outlet channel (12) in -30 ° of inclinations.
4. low noise high pressure differential regulating valve according to claim 3, it is characterised in that：The import (15) of feed pathway (14)
It is highly identical with the outlet (13) of liquid outlet channel (12).
5. low noise high pressure differential regulating valve according to claim 1, it is characterised in that：Also include being fixed on valve body (6)
The valve gap (8) in portion, integral type valve core valve stem (11) extend into lumen (7a) bottom through the circular hole (20) on valve gap (8), lamination,
The bottom of integral type valve core valve stem (11) contacts to form sealing and blow-by with not contacting with the bottom of lumen (7a).
6. low noise high pressure differential regulating valve according to claim 5, it is characterised in that：Valve gap (8) is with valve body (6) by spiral shell
Bolt is fixed, and gasket seal (9) is provided between valve gap (8) and valve body (6).
7. low noise high pressure differential regulating valve according to claim 1, it is characterised in that：Integral type valve core valve stem (11) includes
Valve rod (1), valve element (4), valve element (4) top is provided with screwed accommodating cavity, and accommodating cavity welded top has nut, in commissure
It is provided with press welding block (5)；Valve rod (1) is threadedly coupled with valve element (4).
8. low noise high pressure differential regulating valve according to claim 7, it is characterised in that：It is horizontal one to be offered on valve rod (1)
Pin hole, the side wall of valve element (4) offers a through hole for crossing accommodating cavity, and valve rod (1) is extend in accommodating cavity and by slotting
Pin (3) insertion through hole is fixed by valve element (4) and valve rod (1) with pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113146.8U CN206159639U (en) | 2016-10-11 | 2016-10-11 | Low -noise high pressure difference regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113146.8U CN206159639U (en) | 2016-10-11 | 2016-10-11 | Low -noise high pressure difference regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206159639U true CN206159639U (en) | 2017-05-10 |
Family
ID=58652731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621113146.8U Expired - Fee Related CN206159639U (en) | 2016-10-11 | 2016-10-11 | Low -noise high pressure difference regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206159639U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355549A (en) * | 2017-09-17 | 2017-11-17 | 浙江贝尔控制阀门有限公司 | A kind of labyrinth type micro-flow regulating valve |
| CN108757991A (en) * | 2018-07-31 | 2018-11-06 | 浙江科博电器有限公司 | A kind of water valve of scale-deposit-preventing |
| CN110836107A (en) * | 2018-08-17 | 2020-02-25 | 中国石油天然气股份有限公司 | Sand-blocking-proof throttle nozzle |
| CN118188829A (en) * | 2024-05-17 | 2024-06-14 | 蓝帕控制阀门(江苏)有限公司 | Labyrinth control valve with high adjustable ratio |
-
2016
- 2016-10-11 CN CN201621113146.8U patent/CN206159639U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355549A (en) * | 2017-09-17 | 2017-11-17 | 浙江贝尔控制阀门有限公司 | A kind of labyrinth type micro-flow regulating valve |
| CN108757991A (en) * | 2018-07-31 | 2018-11-06 | 浙江科博电器有限公司 | A kind of water valve of scale-deposit-preventing |
| CN110836107A (en) * | 2018-08-17 | 2020-02-25 | 中国石油天然气股份有限公司 | Sand-blocking-proof throttle nozzle |
| CN110836107B (en) * | 2018-08-17 | 2022-07-05 | 中国石油天然气股份有限公司 | Sand-blocking-proof throttle nozzle |
| CN118188829A (en) * | 2024-05-17 | 2024-06-14 | 蓝帕控制阀门(江苏)有限公司 | Labyrinth control valve with high adjustable ratio |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 |