DE4306758A1 - Throttle-jet guide pipe for shut-off fittings - Google Patents

Throttle-jet guide pipe for shut-off fittings

Info

Publication number
DE4306758A1
DE4306758A1 DE19934306758 DE4306758A DE4306758A1 DE 4306758 A1 DE4306758 A1 DE 4306758A1 DE 19934306758 DE19934306758 DE 19934306758 DE 4306758 A DE4306758 A DE 4306758A DE 4306758 A1 DE4306758 A1 DE 4306758A1
Authority
DE
Germany
Prior art keywords
fittings
throttle
shut
guide pipe
jet
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.)
Withdrawn
Application number
DE19934306758
Other languages
German (de)
Inventor
Wolfgang Dipl Ing Kannemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INGENIERBUERO PROWA KITTELBERG
Original Assignee
INGENIERBUERO PROWA KITTELBERG
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 INGENIERBUERO PROWA KITTELBERG filed Critical INGENIERBUERO PROWA KITTELBERG
Priority to DE19934306758 priority Critical patent/DE4306758A1/en
Publication of DE4306758A1 publication Critical patent/DE4306758A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

The most diverse fittings mainly predominating in the water supply service are shut-off members which are only intended for open/closed operation. The turbulence area which appears at intermediate positions, in particular at small degrees of opening, behind the fittings and causes vibration phenomena is largely kept away from the fittings by means of the throttle-jet guide pipe according to the invention, as a result of which the shut-off fittings can then also be operated as an adjusting member, that is, in an intermediate position. The throttle-jet guide pipe contains one or more dividing walls which are parallel to the longitudinal axis of the pipe and take hold of and transmit the throttled jet so that only slight turbulence occurs behind the fittings.

Description

Die dominierenden Armaturen, von allen in der Wasserwirtschaft vorkommenden, sind die Keilschieber und die Plattenschieber durch hydraulisch günstiges Verhalten, kurze Baulängen und geringe Kosten. Diese Schieber sind allerdings reine Absperrarmaturen nur für Auf-Zu-Schaltungen. Für Stell- und Regelzwecke eignen sie sich nicht oder nur in sehr beschränktem Umfang; hierfür müssen relativ große, teure und mit größeren hydraulischen Verlusten be­ haftete Stellventile eingesetzt werden. Mit dem Drosselstrahlführungsrohr soll nun die Funktion der Ab­ sperrarmaturen von der Auf-Zu-Schaltung auch auf Zwischenstell­ ungen also auf Stell- und Regelzwecke erweitert werden. Erfindungsgemäß wird mit dem Drosselstrahlführungsrohr das mit Druckpulsationen behaftete und Kavitationserscheinungen verur­ sachende Wirbelgebiet von den Armaturen weitgehend ferngehalten wodurch die Lärmemission und Schwingungserscheinungen wesentlich vermindert werden.The dominant fittings, by everyone in the water industry occurring, the wedge gate valve and the knife gate valve are through hydraulically favorable behavior, short overall lengths and short Costs. However, these valves are purely shut-off valves only for on-off circuits. They are suitable for positioning and control purposes not or only to a very limited extent; to do this relatively large, expensive and with greater hydraulic losses stuck control valves are used. With the throttle beam guide tube, the function of the Ab locking valves from on-off switching also to intermediate position so that they can be expanded to include positioning and control purposes. According to the invention with the throttle beam guide tube Pressure pulsations and cavitation symptoms relevant vortex area largely kept away from the fittings which makes the noise and vibration phenomena essential can be reduced.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen dar­ gestellt und wird im Folgenden näher beschrieben.An embodiment of the invention is shown in the drawings and is described in more detail below.

Es zeigenShow it

Fig. 1 Keilflachschieber im teilgeöffneten Zustand mit Drossel­ strahlführungsrohr Fig. 1 wedge gate valve in the partially open state with throttle beam guide tube

Fig. 2 Querschnitt des Drosselstrahlführungsrohres Fig. 2 cross section of the throttle beam guide tube

Fig. 3 Keilflachschieber wie Fig. 1 ohne Drosselstrahlführungs­ rohr mit Wirbelgebiet hinter der Schieberplatte. Fig. 3 wedge gate valve as Fig. 1 without throttle beam tube with vortex area behind the slide plate.

Wie Fig. 1 zeigt wird im Drosselstrahlrohr 1 der gedrosselte Strahl 2 durch die Trennwand 3 erfaßt und mit etwa gleichbleiben­ den Querschnitt in Sichelform weitergeführt bis in ausreichender Entfernung zum Schieber der Übergang zum Kreisquerschnitt und damit die Verwirbelung 4 erfolgt.As shown in FIG. 1, the throttled jet 2 is detected by the partition 3 in the throttle jet tube 1 and the cross section is continued in a sickle shape with approximately the same until the transition to the circular cross section and thus the swirling 4 takes place at a sufficient distance from the slide.

Claims (1)

Drosselstrahlführungsrohr für Absperrarmaturen gekennzeichnet dadurch:
  • 1. das im Drosselabflußrohr (1) eine oder mehrere Trennwände (3) angeordnet sind
  • 2. das die Trennwände (3) parallel zur Rohrlängsachse angeordnet sind
  • 3. das die Form dieser Trennwände im Rohrquerschnitt dem Drossel­ strahlquerschnitt weitgehend angepaßt ist.
Throttle beam guide tube for shut-off valves characterized by :
  • 1. in the throttle drain pipe ( 1 ) one or more partitions ( 3 ) are arranged
  • 2. that the partitions ( 3 ) are arranged parallel to the pipe longitudinal axis
  • 3. that the shape of these partitions in the tube cross section of the throttle beam cross section is largely adapted.
DE19934306758 1993-03-04 1993-03-04 Throttle-jet guide pipe for shut-off fittings Withdrawn DE4306758A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19934306758 DE4306758A1 (en) 1993-03-04 1993-03-04 Throttle-jet guide pipe for shut-off fittings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19934306758 DE4306758A1 (en) 1993-03-04 1993-03-04 Throttle-jet guide pipe for shut-off fittings

Publications (1)

Publication Number Publication Date
DE4306758A1 true DE4306758A1 (en) 1994-08-18

Family

ID=6481916

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19934306758 Withdrawn DE4306758A1 (en) 1993-03-04 1993-03-04 Throttle-jet guide pipe for shut-off fittings

Country Status (1)

Country Link
DE (1) DE4306758A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109339192A (en) * 2018-08-28 2019-02-15 武汉圣禹排水系统有限公司 It is provided with the shunting well and control system of cut-off equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2305938A1 (en) * 1972-02-07 1973-08-16 English Clays Lovering Pochin GUIDING AREA ARRANGEMENT FOR INSERTING IN A FLOW LINE
DD268033A1 (en) * 1987-12-22 1989-05-17 Univ Dresden Tech DEVICE FOR THREADING A FLUID FLOW IN A PIPING

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2305938A1 (en) * 1972-02-07 1973-08-16 English Clays Lovering Pochin GUIDING AREA ARRANGEMENT FOR INSERTING IN A FLOW LINE
DD268033A1 (en) * 1987-12-22 1989-05-17 Univ Dresden Tech DEVICE FOR THREADING A FLUID FLOW IN A PIPING

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109339192A (en) * 2018-08-28 2019-02-15 武汉圣禹排水系统有限公司 It is provided with the shunting well and control system of cut-off equipment
CN109339192B (en) * 2018-08-28 2024-05-14 武汉圣禹排水系统有限公司 Flow dividing well with cut-off device and control system

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Legal Events

Date Code Title Description
OAV Applicant agreed to the publication of the unexamined application as to paragraph 31 lit. 2 z1
OP8 Request for examination as to paragraph 44 patent law
8122 Nonbinding interest in granting licenses declared
8139 Disposal/non-payment of the annual fee