EP3743644A1 - Schieberventil und verwendung eines schieberventils - Google Patents
Schieberventil und verwendung eines schieberventilsInfo
- Publication number
- EP3743644A1 EP3743644A1 EP19701210.7A EP19701210A EP3743644A1 EP 3743644 A1 EP3743644 A1 EP 3743644A1 EP 19701210 A EP19701210 A EP 19701210A EP 3743644 A1 EP3743644 A1 EP 3743644A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- slide valve
- plant
- slide
- valve according
- spindle
- 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.)
- Pending
Links
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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/12—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with wedge-shaped arrangements of sealing faces
- F16K3/14—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with wedge-shaped arrangements of sealing faces with special arrangements for separating the sealing faces or for pressing them together
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B25/00—Doors or closures for coke ovens
- C10B25/02—Doors; Door frames
- C10B25/08—Closing and opening the doors
- C10B25/10—Closing and opening the doors for ovens with vertical chambers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B33/00—Discharging devices; Coke guides
- C10B33/12—Discharge valves
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
- F16K3/18—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
- F16K3/184—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members by means of cams
- F16K3/186—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members by means of cams by means of cams of wedge from
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Definitions
- the invention relates to a Schieberventii for chemical and / or petrochemical plants according to the preamble of claim 1.
- a slide valve is known for example from D 10 2011 001 186 Al.
- slide valves In the petrochemical industry, slide valves are used which have a locking device displaceably mounted in a housing which releases or closes a valve opening in the housing by means of a lifting movement. Such valves should enable long maintenance-free operating times at high operating temperatures, large nominal diameters and high switching frequencies.
- the invention is based on the object to provide a slide valve for chemical and / or petrochemical plants, a simple and possible Low-maintenance operation of the slide rod allows.
- the invention is also based on the object to specify the use of a slide valve.
- a slide valve for chemical and / or petrochemical plants in particular round, oval, or Flachschieber- type, having a locking device which is movable by a slide rod in an open and closed position.
- the slide valve also has a drive with an electric motor for adjusting the slide rod.
- the locking device has two locking plates, between which a wedge arrangement for pressing the locking plates is arranged on the housing sealing seats of the slide valve.
- the wedge assembly is connected to the pusher bar.
- the drive has a spindle drive, which is aligned with the slide rod and is connected thereto to transmit a restoring force.
- the invention has the advantage that it dispenses with hydraulic fluid. This eliminates the field piping required for hydraulic drives, the risk of leakage, the flushing of piping and the relatively intensive maintenance of the system. At the same time, the slide valve is robust and suitable for use under harsh conditions.
- the spindle drive has the advantage of high feed rates and a precise positioning movement to achieve the stroke of the locking plates.
- Wedge assembly causes in the closed position a spreading of the locking plates so that they are pressed against the housing sealing seats of the slide valve. As a result, a reliable tightness is generated during operation of the slide valve. To open the slide valve, the wedge assembly is released and the spread canceled, so that the contact pressure decreases. As a result, the wear of the locking plates is reduced when opening the slide valve.
- the coupling of the spindle drive via the slide rod with the wedge assembly has the advantage that the contact force generated by the wedge assembly of the locking plates, which acts on the housing sealing seats, can be precisely adjusted.
- the interaction of the electric drive with the Spindle drive for electromechanical transmission of the drive torque on the slide rod advantageous.
- the spindle drive can have a spindle and a spindle nut.
- the spindle is translationally, but not rotationally moved.
- the conversion of the rotational movement of the electric motor in the translational movement of the spindle is effected by the spindle nut.
- the spindle nut is stationary in translatory direction.
- a coupling piece connects the spindle and the slide rod.
- the coupling piece may be formed, for example, as a crosshead. Other couplings are possible.
- the coupling piece is a simple
- Coupling piece can be detachable for maintenance purposes.
- the spindle drive on a ball circulation element.
- Ball circulation element may be formed as a ball nut. As a result, a large feed is achieved with high precision of the adjusting movement.
- the spindle drive may have a planetary roller spindle. As a result, a precise feed is also achieved.
- the drive works in the
- the worm gear has the advantage that it is self-locking and resilient.
- the spindle drive and the electric motor can be arranged in an L-shape. Other positions of the electric motor are possible. If the electric motor is designed as a brake motor with a mechanical brake, the security against unintentional adjustment of
- the electric motor may have a clutch for limiting the torque.
- the electric motor may have a clutch for limiting the torque.
- the electric motor is connected to a frequency converter, the speed of the electric motor can be variably adjusted.
- Slide valve according to claim 1 as a gate valve in a system for
- Light olefins ethylene, propene, butenes
- Light olefins are important industrial raw materials used extensively in the production of polymers, paints, varnishes and other chemicals. These olefins are obtained by steam cracking of light crude oil (naphtha) or by fluid catalytic cracking (FCC) of heavy oil.
- FCC fluid catalytic cracking
- An alternative to steam cracking and the FCC process is the dehydrogenation of hydrocarbons, e.g. B. of propane and butane.
- hydrocarbons e.g. B. of propane and butane.
- propane dehydrogenation for the production of propylene is the CATOFIN® process.
- the Catofin® dehydrogenation process is a catalytic technology that provides exceptionally high conversion of paraffins to olefins due to its thermodynamic properties.
- isobutylene, n-butene or propylene are produced from isobutane, n-butane or according to propane.
- Z8ü gate valves ensure the cyclic isolation of numerous process media from the catalytic process as well as the required regeneration phase.
- the use of the slide valve according to claim 1 is further disclosed and claimed as Cokerschieber in a delayed coking plant. Further, the use of the spool valve according to claim 1 as a Doppelplattenleitrohrschieber in the main transfer and decoking line of an ethylene plant or in a Fluidized Catalytic Cracking Unit (FCCU),
- FCCU Fluidized Catalytic Cracking Unit
- Fluidized catalytic cracking unit or in a coal gasification plant or in a visbreaker plant or in an epichlorohydrin plant claimed.
- Gate valve in an Isosiv / TIP plant according to the UOP process or Cyclic Power Former Unit or Ethylene plant or Fluidized Catalytic Cracking Unit (FCCU) or coal gasification plant or cupola plant or in one
- the single FIGURE shows a drive with an electric motor in perspective view, which is coupled to a gate valve (partial section).
- the slide valve 10 is designed as a gate valve for a PDH system, in particular a CATOFIN® system, which operates according to the Houdry method.
- the slide valve has a locking device 11 which is arranged in the illustrated closed position of the slide valve 10 between two pipe connections 21, 22 and shuts off these or the pipes connected to the pipe connections 21, 22 in the mounted state.
- a locking device 11 which is arranged in the illustrated closed position of the slide valve 10 between two pipe connections 21, 22 and shuts off these or the pipes connected to the pipe connections 21, 22 in the mounted state.
- this is connected to a slide rod 12, which in the axial direction is movable together with the locking device 11.
- the locking device 11 is moved out of the pipe passage and releases it.
- the locking device 11 comprises 2 locking plates 14, 15, which are arranged concentrically. Between the two locking plates 14, 15 there is a wedge assembly 16.
- the wedge assembly 16 has two wedge pieces, which are centered by a ball arranged between the sections. When closing, the wedge pieces lie against correspondingly obliquely formed mating surfaces on the inside of the blocking plates 14, 15 and slide on them. As a result, a closing force of the slide rod 12 in the axial direction is converted into a sealing force perpendicular to the two locking plates 14, 15.
- Locking plates 14, 15 are spread apart by the wedge assembly 16 in the closed position and thereby pressed against the housing sealing seats 17. To open the wedge assembly 16 is withdrawn from the mating surfaces, so that the spreading effect is reduced. Thus, the locking plates 14, 15 can be moved with low contact pressure on the housing sealing seats 17, whereby the wear is reduced.
- the slide rod 12 can so for the
- the slide rod 12 is connected to an electric motor 13 of the drive for adjusting the slide rod 12.
- the drive has a spindle drive 18 which, as can be seen in the single figure, is aligned with the slide rod 12.
- the pusher rod 12 is associated with a single spindle drive 18 which is in translation with the pusher rod 12 for transmission of the linear force in the translational direction.
- the spindle drive 18 is on the one hand mechanically connected to the slide rod 12 and on the other hand to the electric motor 13, so that the from
- Electric motor 13 generated drive torque is transmitted via the spindle drive 18 to the slide rod 12.
- the direction of rotation of the electric motor 13 is changed.
- the spindle drive 18 has a spindle nut (not shown) and a spindle 19, which is connected to the slide rod 12.
- the connection can be made for example by a coupling piece 20, as shown in the single figure.
- the spindle nut is arranged stationary in the translational direction of the spindle drive 18 and transmits by a rotational movement
- the spindle nut may be formed, for example, as a ball nut.
- the spindle drive 18 may be formed as a planetary roller spindle.
- a transmission is arranged in the illustrated embodiment.
- the transmission may be, for example, a worm gear. Other types of transmission are possible.
- the electric motor 13 and the spindle drive 18 are arranged in an L-shape.
- the L-shape can be any suitable for example, as a ball nut.
- the spindle drive 18 may be formed as a planetary roller spindle.
- the transmission may be, for example, a worm gear. Other types of transmission are possible.
- the electric motor 13 and the spindle drive 18 are arranged in an L-shape.
- the L-shape can be formed, for example, as a ball nut.
- the spindle drive 18 may be formed as a planetary roller spindle.
- the transmission may be, for example, a worm gear. Other types of transmission
- the electric motor is designed as a brake motor and has a mechanical brake. Furthermore, in the electric motor 13 has a manual brake.
- the spindle drive 18 is equipped with a position indicator and a corresponding sensor for determining the position signal of the spindle drive 18.
- the electromechanically driven gate valve has the advantage that in comparison to conventional valves no hydraulic fluid is required. This eliminates the risk of leakage and field piping.
- Heating of the field piping required for certain climatic regions is not required.
- the flushing of the hydraulic line is eliminated.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Mechanically-Actuated Valves (AREA)
- Sliding Valves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018101472.4A DE102018101472A1 (de) | 2018-01-23 | 2018-01-23 | Schieberventil und Verwendung eines Schieberventils |
PCT/EP2019/051271 WO2019145231A1 (de) | 2018-01-23 | 2019-01-18 | Schieberventil und verwendung eines schieberventils |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3743644A1 true EP3743644A1 (de) | 2020-12-02 |
Family
ID=65139002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19701210.7A Pending EP3743644A1 (de) | 2018-01-23 | 2019-01-18 | Schieberventil und verwendung eines schieberventils |
Country Status (10)
Country | Link |
---|---|
US (1) | US11920692B2 (de) |
EP (1) | EP3743644A1 (de) |
JP (2) | JP7379344B2 (de) |
KR (1) | KR20200109367A (de) |
CN (1) | CN111727335A (de) |
BR (1) | BR112020014128A2 (de) |
CA (1) | CA3087647A1 (de) |
DE (1) | DE102018101472A1 (de) |
RU (1) | RU2020127377A (de) |
WO (1) | WO2019145231A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020121530A1 (de) | 2020-08-17 | 2022-02-17 | Z & J Technologies Gmbh | Mehrfachschiebersystem und Prozessanlage |
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CN104806777B (zh) | 2015-04-17 | 2017-06-27 | 北京航天石化技术装备工程有限公司 | 一种带外加气副阀的双楔式闸阀 |
DE102016101627B4 (de) * | 2016-01-29 | 2023-01-19 | Z & J Technologies Gmbh | Doppelplattenschieber für eine Ethylenanlage, Ethylenanlage und Verfahren zum Betrieb einer Ethylenanlage |
DE102016101628A1 (de) * | 2016-01-29 | 2017-08-03 | Z & J Technologies Gmbh | Doppelplattenschieber für eine Ethylenanlage, Ethylenanlage und Verfahren zum Betrieb einer Ethylenanlage |
CN106168308B (zh) | 2016-08-31 | 2019-05-17 | 潘健 | 一种同轴锁紧防卡闸板阀开关方法及开关装置 |
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2018
- 2018-01-23 DE DE102018101472.4A patent/DE102018101472A1/de active Pending
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2019
- 2019-01-18 KR KR1020207024010A patent/KR20200109367A/ko unknown
- 2019-01-18 EP EP19701210.7A patent/EP3743644A1/de active Pending
- 2019-01-18 WO PCT/EP2019/051271 patent/WO2019145231A1/de unknown
- 2019-01-18 JP JP2020540733A patent/JP7379344B2/ja active Active
- 2019-01-18 RU RU2020127377A patent/RU2020127377A/ru unknown
- 2019-01-18 CA CA3087647A patent/CA3087647A1/en not_active Abandoned
- 2019-01-18 CN CN201980009242.8A patent/CN111727335A/zh active Pending
- 2019-01-18 BR BR112020014128-3A patent/BR112020014128A2/pt unknown
- 2019-01-18 US US16/964,162 patent/US11920692B2/en active Active
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2023
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Also Published As
Publication number | Publication date |
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JP7379344B2 (ja) | 2023-11-14 |
US11920692B2 (en) | 2024-03-05 |
KR20200109367A (ko) | 2020-09-22 |
CA3087647A1 (en) | 2019-08-01 |
RU2020127377A (ru) | 2022-02-24 |
BR112020014128A2 (pt) | 2020-12-01 |
US20210033198A1 (en) | 2021-02-04 |
JP2021517945A (ja) | 2021-07-29 |
WO2019145231A1 (de) | 2019-08-01 |
CN111727335A (zh) | 2020-09-29 |
JP2023138504A (ja) | 2023-10-02 |
DE102018101472A1 (de) | 2019-07-25 |
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