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Pig system

A pipe pig and pipe pigging technology, applied in the field of pipe pig system, can solve the problems of negligible and complicated time required for pipe pig replacement, and achieve the effect of structural cost limitation and reasonable price

Inactive Publication Date: 2017-08-29
EISENMANN SE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However this mechanism is complex and the time required for pig replacement is not insignificant

Method used

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  • Pig system

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Embodiment Construction

[0016] First refer to figure 1 , according to this figure, describe the main components of the pig system generally indicated by reference numeral 1 . The pig system 1 is used in a known manner to convey a medium through a pig line 2 which runs between two pig stations 3 , 4 . The delivery of the medium takes place by means of several, here three, pigs 5, 6, 7, which are figure 1 is placed in the pig channel 8 of the pig station 3 on the left. The pig station 3 comprises three parking positions for the three pigs 5 , 6 , 7 .

[0017] The shape of the three pigs 5 , 6 , 7 is known to be such that the pigs form a surrounding sealing lip in the two end regions by a reduced waist shape; the pigs 5 , 6 , 7 at one end on the side - on figure 1 On the left end side of the center—protruding portions 5a, 6a, and 7a are provided. exist figure 1 The protruding part 5a of the pig 5 which is arranged on the far left in the middle abuts against the stopper 9 which is fixed on the ...

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PUM

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Abstract

A pig system (1) for transporting liquid or pasty substances, in particular paints, comprising in a way known per se two pig stations (3, 4), which are connected to one another by way of a pig line (2). By contrast with the prior art, where only one pig is in use at a time, in the pig system (1) according to the invention there are a number of pigs (5, 6, 7). Accordingly, the two pig stations (3, 4) have a number of parking positions, to which a controllable media connection (10, 11, 12, 10', 11', 12') is respectively assigned. Appropriate activation of the media connections (10, 11, 12, 10', 11', 12') allows the effect to be achieved that only some of the pigs (5, 6 7) at a time shuttle back and forth between the two pig stations (3, 4). Defective pigs (5, 6, 7) or operational pigs (5, 6, 7) that are being kept on standby in this case remain in corresponding parking positions of the two pig stations (3, 4).

Description

technical field [0001] The invention relates to a pig system for conveying fluid / liquid or pasty substances, especially paint, which has: [0002] a) a first pig station with a pig channel that accommodates the pig in a parking position, wherein a controllable medium is assigned to the parking position Interface through which the pushing medium (Schiebe medium) can be introduced into the pig channel, thereby pushing the pig out of the pig channel; [0003] b) a second pig station, which likewise has a pig channel, which can receive a pig in a parking position, wherein a controllable medium connection is assigned to the parking position, through which the driving medium can pass The media interface is introduced into the pig channel, thereby pushing the pig out of the pig channel; [0004] c) Pig piping that connects the pig passages of one pig station with the pig passages of another pig station. Background technique [0005] Pig systems for conveying fluid or slurry subs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B12/14
CPCB05B12/1481B05B15/18F16L55/26F16L2101/12F16L2101/40
Inventor S·诺罗思
Owner EISENMANN SE