CN104633134B - Hydrocracking heat highly-distributing high-pressure regulating angle valve - Google Patents
Hydrocracking heat highly-distributing high-pressure regulating angle valve Download PDFInfo
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- CN104633134B CN104633134B CN201510069714.2A CN201510069714A CN104633134B CN 104633134 B CN104633134 B CN 104633134B CN 201510069714 A CN201510069714 A CN 201510069714A CN 104633134 B CN104633134 B CN 104633134B
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- valve
- spool
- ring
- valve body
- hydrocracked
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Classifications
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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
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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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0254—Construction of housing; Use of materials therefor of lift valves with conical shaped 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
Abstract
The invention relates to a regulating angle valve, provides a hydrocracking heat highly-distributing high-pressure regulating angle valve, and belongs to the field of fluid control valves. The hydrocracking heat highly-distributing high-pressure regulating angle valve comprises a valve body and an upper cover. The upper portion of the valve body is connected with the upper cover. A valve element and a valve seat are arranged in the valve body. The valve element is of a stepped structure. The lower end of the valve element is connected with the valve seat. A first throttling sleeve and a second throttling sleeve are arranged on the valve element. The first throttling sleeve is located on the inner ring of the second throttling sleeve. A plurality of evenly-distributed first kidney-shaped channel holes are formed in the first throttling sleeve in the circumferential direction. A plurality of evenly-distributed second kidney-shaped channel holes are formed in the second throttling sleeve in the circumferential direction. The first kidney-shaped channel holes correspond to the second kidney-shaped channel holes one to one so that channel passageways can be formed. A plurality of rectangular flow regulation windows are formed in the first throttling sleeve in the circumferential direction. Multistage pressure reduction anti-cavitation structural valve trims are adopted for the valve, the anti-erosion performance is good, the sealing level reaches the VI level, noise is low, and the service life is three times or more of the service life of a traditional valve.
Description
Technical field
The present invention relates to a kind of regulation angle valve, be hydrocracked hot high score high voltage adjusting angle valve, belong to control valve for fluids field.
Background technology
Xylol (English abbreviation PX), is one of very important raw material in Chemical Manufacture, can produce p-phthalic acid (English abbreviation PTA) or p-phthalic acid two formicester (English abbreviation DMT) with it.P-phthalic acid or p-phthalic acid two formicester generate polyethylene terephthalate (English abbreviation PET) with glycol reaction again, i.e. polyester, it is the most extensively applied.Being hydrocracked hot high division technique is one of critical process step producing PX, its process is under higher operating pressure and operating temperature, hydrogen and catalyst jointly act on and make heavy crude oil be hydrocracked and isomerization reaction, it is converted into light oil, light oil carries out flow-control by valve, is transported to downstream unit or pipeline.Traditional valve is in the face of this high temperature, high pressure, and when medium mixes the operating mode of some solid particles, is usually present easy erosion, blocking easy to wear, easy, the situation such as poorly sealed, and sound level is big, and valve is the shortest for service life, it is impossible to meet technique Production requirement.
Summary of the invention
It is an object of the invention to overcome above-mentioned weak point, thus provide one to be hydrocracked hot high score high voltage adjusting angle valve, its abrasion-resistance is good, anti-cavitation, wear-resistant, blockage resisting, good seal performance, noise is low, valve is more than three times of common valve service life, and excellent performance guarantees that it can meet duty requirements.
The technical scheme provided according to the present invention, it is hydrocracked hot high score high voltage adjusting angle valve and includes valve body and upper cover, valve body top connects upper cover, spool and valve seat it is provided with in valve body, spool is stepped construction, spool lower end connecting valve seat, spool upper end is threaded connection the valve rod being positioned at upper cover, latch it is provided with between spool and valve rod, it is characterized in that: described upper cover lower inside is provided with fairlead, tensioner ring and guide ring it is provided with between spool and fairlead, tensioner ring is positioned at inside guide ring, valve body upper inner is provided with balance ring seat, support ring and balance sealing ring it is provided with between spool and balance ring seat；Being provided with first throttle plate and the second choke block in described valve seat, valve seat top is along the circumferential direction uniformly provided with multiple valve seat throttle window；Spool is provided with first throttle set and the second throat bushing, first throttle set is positioned at the second throat bushing inner ring, first throttle puts and is along the circumferential direction provided with multiple equally distributed first kidney-shaped runner hole, second throttling puts and is along the circumferential direction provided with multiple equally distributed second kidney-shaped runner hole, multiple first kidney-shaped runner holes and multiple second kidney-shaped runner hole one_to_one corresponding form circulation passage, and first throttle puts the Flow-rate adjustment window being along the circumferential direction provided with multiple rectangle.
Further, it is provided with multiple stop pin between first throttle set and the second throat bushing.
Further, the first SW with outside ring it is provided with between valve body and valve seat.
Further, body base is provided with valve body import, and valve body side is provided with valve outlet, orthogonal between valve body import and valve outlet.
Further, filler group, filler spacer, lower filler group and Packing seat it is sequentially provided with from top to bottom between upper cover and valve rod, being provided with gland outside upper filler group, upper cover upper end is bolted hold-down grid, and is pressed in upper filler group by gland by hold-down grid.
Further, it is provided with the second SW with outside ring between balance ring seat and upper cover.
Further, the 3rd SW with outside ring it is provided with between upper cover and valve body.
Further, it is provided with spacer ring between first throttle plate and the second choke block.
Further, spool is stepped construction, its size φ D 10mm ~ 12mm bigger than φ d.
Further, being provided with small guide vane rate-of flow dead band between spool and first throttle set, at small guide vane rate-of flow dead band, the gap between spool and first throttle set is close to zero.
Compared with the prior art the present invention has the advantage that
1, valve uses multilevel decompression anti-cavitation structure trim, and erosive wear resistance is good, seals grade and reaches VI grade, and noise is low, and service life is more than three times of conventional valves；
2, spool is provided with tensioner ring and guide ring, and valve has good dynamic stability under high temperature, high pressure operating mode, and control performance is outstanding；
3, spool uses stepped construction, is beneficial to seal；
4, valve is provided with small guide vane rate-of flow dead space arrangements, it is to avoid valve runs at small guide vane and causes the higher-order of oscillation occur, can prevent High Pressure Difference fluid from producing trim simultaneously and destroy, thus improve the service life of valve；
5, valve balanced seal ring uses redundance type structure, double insurance, and its back is provided with support ring, can eliminate the gap between balanced seal ring and spool, substantially prolongs the service life of balanced seal ring, improves the reliability and safety that product uses.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is valve seat front view.
Fig. 3 is spool front view.
Fig. 4 is that first throttle overlaps front view.
Fig. 5 is the second throat bushing front view.
Fig. 6 is enlarged drawing at A in Fig. 1.
nullDescription of reference numerals: 1-valve body、2-valve seat、3-the first SW with outside ring、4-the second throat bushing、5-first throttle set、6-spool、7-support ring、8-balanced seal ring、9-balances ring seat、10-the second SW with outside ring、11-the 3rd SW with outside ring、12-fairlead、13-tensioner ring、14-guide ring、15-valve rod、16-upper cover、17-hold-down grid、18-gland、19-filler spacer、20.1-upper filler group、Filler group under 20.2-、21-Packing seat、22-first throttle plate、23-spacer ring、24-the second choke block、25-Flow-rate adjustment window、26-the first kidney-shaped runner hole、27-the second kidney-shaped runner hole、28-valve seat throttle window、29-stop pin、30-latch、31-small guide vane rate-of flow dead band.
Detailed description of the invention
The embodiment combined in accompanying drawing is further described by the present invention below:
As shown in Fig. 1 ~ 6, the invention mainly comprises valve body 1 and upper cover 16, valve body 1 top connects upper cover 16.Being provided with valve body import bottom valve body 1, valve body 1 side is provided with valve outlet, orthogonal between valve body import and valve outlet.
Being provided with spool 6 and valve seat 2 in valve body 1, spool 6 lower end connecting valve seat 2, spool 6 upper end is threaded connection the valve rod 15 being positioned at upper cover 16, is provided with latch 30 between spool 6 and valve rod 15.
Filler group 20.1, filler spacer 19, lower filler group 20.2 and Packing seat 21 it is sequentially provided with from top to bottom between described upper cover 16 and valve rod 15, it is provided with gland 18 outside upper filler group 20.1, upper cover 16 upper end is bolted hold-down grid 17, and is pressed in upper filler group 20.1 by gland 18 by hold-down grid 17.
As shown in Figure 6, described upper cover 16 lower inside is provided with fairlead 12, is provided with tensioner ring 13 and guide ring 14 between spool 6 and fairlead 12, and tensioner ring 13 is positioned at inside guide ring 14, it is ensured that valve does not haves the situation of bite, vibration under high temperature, high pressure operating mode.Valve body 1 upper inner is provided with balance ring seat 9, is provided with support ring 7 and balance sealing ring 8 between spool 6 and balance ring seat 9.It is provided with the second SW with outside ring 10 between described balance ring seat 9 and upper cover 16, between flat upper cover 16 and valve body 1, is provided with the 3rd SW with outside ring 11.
As in figure 2 it is shown, be provided with first throttle plate 22 and the second choke block 24 in described valve seat 2, between first throttle plate 22 and the second choke block 24, it is provided with spacer ring 23.Valve seat 2 top is along the circumferential direction uniformly provided with multiple valve seat throttle window 28.The first SW with outside ring 3 it is provided with between described valve body 1 and valve seat 2.
Spool 6 is stepped construction, its size φ D 10mm ~ 12mm bigger than φ d, and out-of-balance force produced by medium is conducive to the sealing between spool 6 and valve seat 2.
Spool 6 is provided with first throttle set 5 and the second throat bushing 4, and first throttle set 5 is positioned at the second throat bushing 4 inner ring.As shown in Fig. 4 ~ 5, multiple equally distributed first kidney-shaped runner hole 26 along the circumferential direction it is provided with on first throttle set 5, along the circumferential direction it is provided with multiple equally distributed second kidney-shaped runner hole 27, multiple first kidney-shaped runner holes 26 and multiple second kidney-shaped runner hole 27 one_to_one corresponding on second throat bushing 4 and forms circulation passage.The Flow-rate adjustment window 25 of multiple rectangle along the circumferential direction it is provided with, for Flow-rate adjustment, it is simple to solid particle passes through on described first throttle set 5.
In order to prevent rotating mutually between first throttle set 5 and the second throat bushing 4, between first throttle set 5 and the second throat bushing 4, it is provided with multiple stop pin 29.
It is provided with small guide vane rate-of flow dead band 31 between described spool 6 and first throttle set 5, at small guide vane rate-of flow dead band 31, the gap between spool 6 and first throttle set 5 is close to zero, and medium can only flow through in the gap between spool and first throttle overlap, rate-of flow is close to zero at small guide vane rate-of flow dead band 31.Small guide vane rate-of flow dead band 31 avoids valve to run at small guide vane and cause the higher-order of oscillation occur, can prevent High Pressure Difference fluid from producing trim simultaneously and destroy, thus improve the service life of valve.
The operation principle of the present invention is: during valve opening, and medium flows through the first throttle plate on valve seat, the second choke block and valve seat throttle window, enters the Flow-rate adjustment window between spool and first throttle set.As shown in Figure 1, the 10% of valve rated travel it is about at stroke S() within, medium can only flow through from the gap between spool and throat bushing I, and rate-of flow is approximately zero, being small guide vane rate-of flow dead band, this structure is avoided that valve runs at small guide vane and causes the higher-order of oscillation occur.Can prevent from High Pressure Difference fluid from trim being produced to destroy simultaneously, thus improve the service life of valve.When valve opening stroke is more than stroke S, medium can enter the Flow-rate adjustment window between spool and first throttle set.As shown in Figure 3, medium edge is parallel to spool and first throttle set axis direction flows up, by the multi-stage stairs on spool and be distributed on the Flow-rate adjustment window that first throttle puts and carry out multi-level throttle, make high pressure drop along the axis direction Gradient distribution of spool, step pressure reducing, can effectively control the flow velocity of medium, thus play noise-reducing and prevent the effect of liquid cavitation, high degree improves valve service life under harsh working condition.The tensioner ring arranged on spool and guide ring can effectively eliminate the fit clearance between spool and first throttle set, it is ensured that valve operates steadily under worst hot case, improves the control accuracy of valve.Balanced seal ring is attached separately between first throttle set and balance ring seat and balance ring seat and fairlead.And the back of balanced seal ring is equipped with support ring；Redundance type structure can improve the reliability and safety that product uses.When the valve is closed, because spool is stepped construction, its size φ D 10mm ~ 12mm bigger than φ d, medium acts on the axially upwardly thrust that thrust axially downwards on φ D acts on φ d more than medium, so beneficially sealing between spool and valve seat.
Claims (10)
- null1. one kind is hydrocracked hot high score high voltage adjusting angle valve，Including valve body (1) and upper cover (16)，Valve body (1) top connects upper cover (16)，Spool (6) and valve seat (2) it is provided with in valve body (1)，Spool (6) is stepped construction，Spool (6) lower end connecting valve seat (2),Spool (6) upper end is threaded connection the valve rod (15) being positioned at upper cover (16)，Latch (30) it is provided with between spool (6) and valve rod (15)，It is characterized in that: described upper cover (16) lower inside is provided with fairlead (12)，Tensioner ring (13) and guide ring (14) it is provided with between spool (6) and fairlead (12)，Tensioner ring (13) is positioned at guide ring (14) inner side，Valve body (1) upper inner is provided with balance ring seat (9)，Support ring (7) and balance sealing ring (8) it is provided with between spool (6) and balance ring seat (9)；Being provided with first throttle plate (22) and the second choke block (24) in described valve seat (2), valve seat (2) top is along the circumferential direction uniformly provided with multiple valve seat throttle window (28)；Spool (6) is provided with first throttle set (5) and the second throat bushing (4), first throttle set (5) is positioned at the second throat bushing (4) inner ring, multiple equally distributed first kidney-shaped runner hole (26) along the circumferential direction it is provided with on first throttle set (5), multiple equally distributed second kidney-shaped runner hole (27) along the circumferential direction it is provided with on second throat bushing (4), multiple first kidney-shaped runner holes (26) and multiple second kidney-shaped runner hole (27) one_to_one corresponding form circulation passage, the Flow-rate adjustment window (25) of multiple rectangle along the circumferential direction it is provided with on first throttle set (5).
- It is hydrocracked hot high score high voltage adjusting angle valve the most as claimed in claim 1, it is characterized in that: between described first throttle set (5) and the second throat bushing (4), be provided with multiple stop pin (29).
- It is hydrocracked hot high score high voltage adjusting angle valve the most as claimed in claim 1, it is characterized in that: between described valve body (1) and valve seat (2), be provided with the first SW with outside ring (3).
- It is hydrocracked hot high score high voltage adjusting angle valve the most as claimed in claim 1, it is characterized in that: described valve body (1) bottom is provided with valve body import, and valve body (1) side is provided with valve outlet, orthogonal between valve body import and valve outlet.
- It is hydrocracked hot high score high voltage adjusting angle valve the most as claimed in claim 1, it is characterized in that: between described upper cover (16) and valve rod (15), be sequentially provided with filler group (20.1), filler spacer (19), lower filler group (20.2) and Packing seat (21) from top to bottom, upper filler group (20.1) outside is provided with gland (18), upper cover (16) upper end is bolted hold-down grid (17), and is pressed on upper filler group (20.1) by gland (18) by hold-down grid (17).
- It is hydrocracked hot high score high voltage adjusting angle valve the most as claimed in claim 1, it is characterized in that: between described balance ring seat (9) and upper cover (16), be provided with the second SW with outside ring (10).
- It is hydrocracked hot high score high voltage adjusting angle valve the most as claimed in claim 1, it is characterized in that: between described upper cover (16) and valve body (1), be provided with the 3rd SW with outside ring (11).
- It is hydrocracked hot high score high voltage adjusting angle valve the most as claimed in claim 1, it is characterized in that: between described first throttle plate (22) and the second choke block (24), be provided with spacer ring (23).
- It is hydrocracked hot high score high voltage adjusting angle valve the most as claimed in claim 1, it is characterized in that: described spool (6) is stepped construction, its size φ D 10mm ~ 12mm bigger than φ d.
- It is hydrocracked hot high score high voltage adjusting angle valve the most as claimed in claim 1, it is characterized in that: be provided with small guide vane rate-of flow dead band (31) between described spool (6) and first throttle set (5), the gap between small guide vane rate-of flow dead band (31) place spool (6) and first throttle set (5) is close to zero.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510069714.2A CN104633134B (en) | 2015-02-10 | 2015-02-10 | Hydrocracking heat highly-distributing high-pressure regulating angle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510069714.2A CN104633134B (en) | 2015-02-10 | 2015-02-10 | Hydrocracking heat highly-distributing high-pressure regulating angle valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104633134A CN104633134A (en) | 2015-05-20 |
| CN104633134B true CN104633134B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510069714.2A Active CN104633134B (en) | 2015-02-10 | 2015-02-10 | Hydrocracking heat highly-distributing high-pressure regulating angle valve |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108504379B (en) * | 2017-02-28 | 2020-12-01 | 洛阳瑞华新能源技术发展有限公司 | Soft start-stop method of hot high-oil-separation depressurization system containing solid hydrogenation products |
| CN108150656A (en) * | 2018-02-12 | 2018-06-12 | 无锡智能自控工程股份有限公司 | Type pilot string data adjusts stop valve |
| CN108980365A (en) * | 2018-09-10 | 2018-12-11 | 四川滨大阀门有限责任公司 | A kind of valve internal component structure of high differential pressure control valve |
| CN114198563B (en) * | 2021-11-23 | 2024-01-19 | 河南航天液压气动技术有限公司 | Low-pressure high-flow direct-acting overflow valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3018317A1 (en) * | 1980-05-13 | 1981-11-19 | Samson Ag, 6000 Frankfurt | Wear resistant inserts or fittings for valves etc. - made from silicon nitride or silicon carbide to increase working life of valves |
| DE3144609A1 (en) * | 1981-11-10 | 1983-06-23 | C.H. Zikesch GmbH, 4100 Duisburg | Valve |
| CN200961704Y (en) * | 2006-10-19 | 2007-10-17 | 上海工业自动化仪表研究所 | Cavitation prevention middle differential pressure regulating valve |
| CN202646726U (en) * | 2012-07-11 | 2013-01-02 | 江苏神通阀门股份有限公司 | Axial-flow type multistage decompression anti-cavitation adjusting valve |
| CN204533549U (en) * | 2015-02-10 | 2015-08-05 | 无锡智能自控工程股份有限公司 | Hydrocracking hot high score high-pressure regulation angle valve |
-
2015
- 2015-02-10 CN CN201510069714.2A patent/CN104633134B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3018317A1 (en) * | 1980-05-13 | 1981-11-19 | Samson Ag, 6000 Frankfurt | Wear resistant inserts or fittings for valves etc. - made from silicon nitride or silicon carbide to increase working life of valves |
| DE3144609A1 (en) * | 1981-11-10 | 1983-06-23 | C.H. Zikesch GmbH, 4100 Duisburg | Valve |
| CN200961704Y (en) * | 2006-10-19 | 2007-10-17 | 上海工业自动化仪表研究所 | Cavitation prevention middle differential pressure regulating valve |
| CN202646726U (en) * | 2012-07-11 | 2013-01-02 | 江苏神通阀门股份有限公司 | Axial-flow type multistage decompression anti-cavitation adjusting valve |
| CN204533549U (en) * | 2015-02-10 | 2015-08-05 | 无锡智能自控工程股份有限公司 | Hydrocracking hot high score high-pressure regulation angle valve |
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| CN104633134A (en) | 2015-05-20 |
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