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Gas drying device

A gas drying and gas technology, applied in the field of drying compressed gas devices and drying gas devices, can solve problems such as low efficiency

Active Publication Date: 2009-11-04
ATLAS COPCO AIRPOWER NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In addition to desiccant dryers, cooling dryers are also known, but cooling drying in tropical environments is either inefficient or leads to undesirably high energy consumption

Method used

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Embodiment Construction

[0012] Such as figure 1 As shown, the gas drying device essentially comprises a cooling dryer 1 , a desiccant dryer 2 and in this embodiment also a compressor part 3 .

[0013] The desiccant dryer 2 is of the type utilizing a pressure tank 4 having a drying zone 5 and a regeneration zone 6 containing an adsorption and / or absorption medium 7 which is led alternately through the drying zone 5 and regeneration zone 6 .

[0014] Furthermore, the device comprises a primary circuit 8 comprising pipes with sections 8A, 8B, 8C, 8D, 8E, 8F, 8G, 8H, 8I, 8J and 8K, the aforementioned cooling dryer 1, the desiccant dryer 2 and the aforementioned The compressor part 3 is integrated into this primary circuit 8 , which makes it possible to first compress the gas to be dried, then at least partially dry it in the cooling dryer 1 and then lead it through the desiccant dryer 2 The drying zone 5 is further dried.

[0015] The device also comprises a secondary circuit 9 which, as a branch 10 in...

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Abstract

Gas drying device, consisting of a desiccant dryer (2) which makes use of a pressure tank (4) with a drying zone (5) and a regeneration zone (6), with an adsorption and / or absorption medium (7) which is alternately guided through the drying zone (5) and the regeneration zone (6); a primary circuit (8) in which the abovementioned desiccant dryer (2) is included, which makes it possible to guide the gas to be dried through the drying zone (5) of the desiccant dryer (2); a secondary circuit (9) which makes it possible for a part of the gas to be dried to be guided through the regeneration zone (6) of the desiccant dryer (2) and to absorb moisture there, characterized in that the device also contains a cooling dryer (1) which is inserted upstream the abovementioned desiccant dryer (2) in the primary circuit (8).

Description

technical field [0001] The invention relates to a device for drying gas, in particular compressed gas. [0002] In particular, the invention relates to a device for drying gases comprising a so-called desiccant dryer utilizing a pressure tank with a drying zone and a regeneration zone, the tank is equipped with adsorption and / or absorption The medium is guided alternately through the drying zone and the regeneration zone. Background technique [0003] A known problem with such installations is that the gas is not always sufficiently dried for all the required uses, eg under extreme environmental conditions that occur in the tropics. [0004] In high temperature and high humidity conditions, the regenerative capacity of this desiccant dryer is indeed exceeded. [0005] In addition to desiccant dryers, cooling dryers are also known, but cooling drying in tropical environments is either inefficient or leads to undesirably high energy consumption. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/26
CPCB01D53/261B01D53/26B01D53/265
Inventor B·E·A·万德斯特拉滕B·P·K·范霍维
Owner ATLAS COPCO AIRPOWER NV
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