WO2018076157A1 - Nouvelle soupape de commande anti-érosion - Google Patents

Nouvelle soupape de commande anti-érosion Download PDF

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Publication number
WO2018076157A1
WO2018076157A1 PCT/CN2016/103172 CN2016103172W WO2018076157A1 WO 2018076157 A1 WO2018076157 A1 WO 2018076157A1 CN 2016103172 W CN2016103172 W CN 2016103172W WO 2018076157 A1 WO2018076157 A1 WO 2018076157A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
orifice plate
hole
ring
annular
Prior art date
Application number
PCT/CN2016/103172
Other languages
English (en)
Chinese (zh)
Inventor
吴振宇
Original Assignee
南通龙源电站阀门有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 南通龙源电站阀门有限公司 filed Critical 南通龙源电站阀门有限公司
Priority to PCT/CN2016/103172 priority Critical patent/WO2018076157A1/fr
Publication of WO2018076157A1 publication Critical patent/WO2018076157A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • 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

Definitions

  • the invention relates to a valve, in particular to a novel anti-washing regulating valve.
  • the regulating valve also known as the control valve, in the field of industrial automation process control, by accepting the control signal output by the regulating control unit, by means of the power operation to change the flow area of the medium, to achieve the final control device for the flow parameters, pressure, liquid level and other process parameters.
  • It usually consists of an actuator and a valve. If the stroke characteristics are selected, the regulating valve can be divided into straight stroke and angular stroke. According to the power used by the actuators, it is divided into linear characteristics, equal percentage characteristics and parabolic characteristics according to its functions and characteristics.
  • the regulating valve is suitable for air, water, steam, various corrosive media, mud, oil and other media.
  • English name control valve, the commonly used classification of regulating valves: pneumatic regulating valve, electric regulating valve, hydraulic regulating valve, self-operated regulating valve.
  • the conventional structure is a sleeve type structure or an orifice plate type structure.
  • the pressure of the medium is large, and the corresponding flow rate is fast, so when the flow rate is adjusted The adjustment effect is not good.
  • the technical problem to be solved by the present invention is to provide a novel anti-scour control valve, which can effectively reduce the pressure and flow rate of the medium circulation, and achieve a good throttling effect.
  • the technical solution of the present invention is: a new anti-scour control valve, the regulating valve includes a valve body, and a valve cover is used at the upper end of the valve body, and the valve body has a passage through which the medium is circulated and a cavity in which the valve stem is movable, the valve stem extends from the middle of the bonnet from the top to the bottom of the valve body, and a valve core is connected to the lower end of the valve stem.
  • a valve seat mounted on the valve body is disposed under the valve core, and the valve core cooperates with the valve seat to form a sealing pair.
  • a throttle element is disposed on the outer circumference of the valve core, and the innovation point is Lie in:
  • the throttling element is formed by stacking a plurality of orifice plate assemblies arranged on the outer circumference of the valve core from bottom to top;
  • the orifice plate assembly comprises an orifice plate body, the orifice plate body has an annular shape, and an annular groove is arranged at a lower end of the orifice plate body, and the annular groove is divided by a partition plate into two sets of coaxially distributed annular flow.
  • the passage from the inside to the outside, is an annular flow passage A and an annular flow passage B.
  • the inner wall of the orifice main body is provided with a hole A communicating with the annular flow passage A, and the annular passage A and the annular passage are opened on the partition.
  • the hole B of the flow path B has a hole C communicating with the annular flow path B on the outer wall of the orifice body, and the holes A, B and C are alternately distributed.
  • holes A, B and C are uniformly distributed in the circumferential direction.
  • the invention has the advantages that: in the invention, by designing the throttling assembly to hide into the combined structure of the annular flow passage, the medium increases the distance of the medium circulation stroke when passing through the throttling assembly, and the medium can be effectively reduced. The pressure, the corresponding flow rate is also reduced, so as to achieve the characteristics of balanced and stable regulation of the flow of the medium, without fluctuations.
  • Figure 1 is a schematic view of a novel anti-scour control valve of the present invention.
  • FIG. 2 is a schematic view of a throttling element of a novel anti-scour control valve of the present invention.
  • Figure 3 is a bottom plan view of the orifice plate assembly of the novel anti-scour adjustment valve of the present invention.
  • Figure 4 is a side elevational view of the orifice plate assembly of the novel anti-scour adjustment valve of the present invention.
  • a new anti-scoo control valve as shown in FIG. 1 includes a valve body 1, a valve cover 2, a valve seat 3, a valve stem 4, a valve core 5 and a throttle element 6.
  • valve cover 2 for use therewith.
  • the valve cover 2 is fixed between the valve body 1 and the valve body 1.
  • the valve body 1 has a passage 7 through which the medium flows and a valve stem 4
  • the movable cavity, the valve stem 4 extends from the top position of the valve cover 2 from the top to the bottom into the cavity of the valve body 1, and a valve core 5 is connected to the lower end of the valve stem 4, and a valve core 5 is disposed below the valve core 5.
  • the valve seat 3 is mounted on the valve body 1, and the sealing surface of the valve body 5 cooperates with the sealing surface of the valve seat 3 to form a sealing pair.
  • a throttle is disposed on the outer circumference of the valve body 5 Element 6.
  • the throttle element 6 is stacked by a plurality of orifice plate assemblies 8 which are sequentially distributed from the bottom to the top on the outer circumference of the valve body 5.
  • the orifice plate assembly 8 includes an orifice plate body 9 having an annular shape.
  • the lower end of the orifice plate body 9 is provided with an annular groove, and the annular groove is formed by a partition 10 Separated into two sets of coaxially distributed annular flow passages, from the inside to the outside, an annular flow passage A12 and an annular flow passage B11, and an inner wall of the orifice main body 9 is provided with a hole A13 communicating with the annular flow passage A12, the hole A13 There are three in total, in a shape-shaped distribution, and a hole B14 connecting the annular flow passage A12 and the annular flow passage B11 is opened in the partition plate 10.
  • the hole B14 has three in total, and is distributed in a shape of a letter on the outer wall of the orifice plate main body 9.
  • a hole C15 communicating with the annular flow path B11 is opened, and the holes C15 are three in total, and are arranged in a shape of a shape, and the holes A13, B14 and C15 are alternately distributed.
  • the medium When passing through the throttling element 6, the medium first flows into the annular flow channel A12 from the three holes A13, respectively, and the medium in the annular flow channel A12 needs to travel to reach the position of the hole B14 after a stroke, and then flows from the hole B14.
  • the medium in the annular flow passage B11 In the annular flow passage B11, the medium in the annular flow passage B11 needs to travel to a position of the hole C15 after a stroke, and then flows into the passage 7 from the hole C15, thereby increasing the stroke distance of the medium in the throttle member 6, thereby being effective.
  • the pressure and flow rate of the medium are reduced to achieve the purpose of balancing and stably regulating the flow of the medium.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)

Abstract

Soupape de commande anti-érosion, comprenant : un corps (1) de soupape, un couvercle (2) de soupape, une tige (4) de soupape, un noyau (5) de soupape, un siège (3) de soupape et un élément d'étranglement (6); l'élément d'étranglement est formé à partir d'une pluralité d'ensembles plaques à orifice (8) empilés ensemble, un ensemble plaque à orifices comprenant un corps (9) de plaque à orifices, le corps de plaque à orifices adoptant une forme annulaire, et une extrémité inférieure du corps de plaque à orifices étant pourvue d'une rainure annulaire; la rainure annulaire est divisée par une plaque de séparation (10) en deux groupes de canaux d'écoulement annulaires répartis de manière coaxiale, étant un canal d'écoulement annulaire A (12) et un canal d'écoulement annulaire B (11) séquentiellement de l'intérieur vers l'extérieur; un trou A (13) qui communique avec le canal d'écoulement annulaire A est ouvert sur une paroi intérieure du corps de plaque à orifices, un trou B (14) qui communique avec le canal d'écoulement annulaire A et le canal d'écoulement annulaire B est ouvert sur la plaque de séparation, et un trou C (15) qui communique avec le canal d'écoulement annulaire B est ouvert sur une paroi extérieure du corps de plaque à orifices, le trou A, le trou B et le trou C étant en distribution en quinconce. La soupape de commande peut réduire efficacement la pression et le débit d'un milieu, ce qui permet d'obtenir l'effet d'équilibrage, de stabilisation et de régulation de l'écoulement du milieu.
PCT/CN2016/103172 2016-10-25 2016-10-25 Nouvelle soupape de commande anti-érosion WO2018076157A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/103172 WO2018076157A1 (fr) 2016-10-25 2016-10-25 Nouvelle soupape de commande anti-érosion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/103172 WO2018076157A1 (fr) 2016-10-25 2016-10-25 Nouvelle soupape de commande anti-érosion

Publications (1)

Publication Number Publication Date
WO2018076157A1 true WO2018076157A1 (fr) 2018-05-03

Family

ID=62022979

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/103172 WO2018076157A1 (fr) 2016-10-25 2016-10-25 Nouvelle soupape de commande anti-érosion

Country Status (1)

Country Link
WO (1) WO2018076157A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113108070A (zh) * 2021-05-08 2021-07-13 浙江理工大学 一种多级降压串式液位调节阀结构
CN116006701A (zh) * 2023-02-21 2023-04-25 四川圣诺油气工程技术服务有限公司 一种笼套式节流阀

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57167569A (en) * 1981-04-07 1982-10-15 Okumura Seisakusho:Kk Plate valve
CA2246922A1 (fr) * 1998-08-24 2000-02-24 Technaflow, Inc. Clapet obturateur a lame fendue muni d'un siege de clapet elastique comprime et contraint
US20100044611A1 (en) * 2008-08-19 2010-02-25 Vetco Gray Inc. System, method and apparatus for split gate valve with mechanically isolated seal surfaces
CN201866300U (zh) * 2010-11-04 2011-06-15 天津百利展发集团有限公司 节流式平板闸阀
US8727316B1 (en) * 2011-03-23 2014-05-20 Hong Yan Miao Knife gate valve with urethane liner
CN104235400A (zh) * 2014-09-03 2014-12-24 洪泽东俊机械有限公司 节流管汇斜孔圆柱阀芯阀座可调节流阀
CN205226616U (zh) * 2015-11-23 2016-05-11 南通龙源电站阀门有限公司 一种新型抗冲刷调节阀
CN105605305A (zh) * 2015-11-23 2016-05-25 南通龙源电站阀门有限公司 一种新型抗冲刷调节阀

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57167569A (en) * 1981-04-07 1982-10-15 Okumura Seisakusho:Kk Plate valve
CA2246922A1 (fr) * 1998-08-24 2000-02-24 Technaflow, Inc. Clapet obturateur a lame fendue muni d'un siege de clapet elastique comprime et contraint
US20100044611A1 (en) * 2008-08-19 2010-02-25 Vetco Gray Inc. System, method and apparatus for split gate valve with mechanically isolated seal surfaces
CN201866300U (zh) * 2010-11-04 2011-06-15 天津百利展发集团有限公司 节流式平板闸阀
US8727316B1 (en) * 2011-03-23 2014-05-20 Hong Yan Miao Knife gate valve with urethane liner
CN104235400A (zh) * 2014-09-03 2014-12-24 洪泽东俊机械有限公司 节流管汇斜孔圆柱阀芯阀座可调节流阀
CN205226616U (zh) * 2015-11-23 2016-05-11 南通龙源电站阀门有限公司 一种新型抗冲刷调节阀
CN105605305A (zh) * 2015-11-23 2016-05-25 南通龙源电站阀门有限公司 一种新型抗冲刷调节阀

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113108070A (zh) * 2021-05-08 2021-07-13 浙江理工大学 一种多级降压串式液位调节阀结构
CN116006701A (zh) * 2023-02-21 2023-04-25 四川圣诺油气工程技术服务有限公司 一种笼套式节流阀
CN116006701B (zh) * 2023-02-21 2023-05-30 四川圣诺油气工程技术服务有限公司 一种笼套式节流阀

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