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Hot air recirculation furnace

A technology of hot air circulation and heating furnace, which is applied in the direction of heating/cooling fabrics, textiles and papermaking, fabric surface trimming, etc. It can solve the problems of unsatisfactory working performance and achieve reasonable structure, convenient use and good working performance.

Active Publication Date: 2012-05-30
江苏科力特环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing circulating roller hearth heating furnace used for carbonization and activation of viscose non-woven felt after chemical heat treatment in a low-temperature furnace has unsatisfactory working performance due to structural and other reasons

Method used

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Examples

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Embodiment Construction

[0017] A hot air circulation furnace, comprising a furnace shell 1, a furnace door 4, a heating furnace, and a furnace chamber 2. The heating type of the heating furnace adopts the heating form of radiant tubes, and the radiant tubes 9 are placed horizontally on the upper and lower sides, and the heating furnace is from the feeding end to the outlet The material end is divided into a preheating section 5, a heating and holding section 6, a constant temperature activation zone 7, and a slow cooling chamber 8 in sequence. A steam pipe 10 is arranged at the bottom of the constant temperature activation zone, coiled in a zigzag shape, and the steam nozzles are arranged in a staggered arrangement; Roller transfer mechanism 3.

[0018] There are 18 radiant tubes in the preheating section, 3 in series for each phase, connected in star shape, in the form of two sets of parallel connection; the heating and holding section is composed of 24 radiant tubes, 2 in each phase are connected in...

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Abstract

The invention discloses a hot air recirculation furnace. The furnace comprises a furnace shell, a furnace door, a heating furnace and a hearth, wherein the heating furnace adopts a radiant tube heating mode; radiant tubes are horizontally arranged one above the other; the heating furnace is partitioned into a preheating section, a temperature raising and preserving section, a constant-temperatureactivating section and a slow cooling chamber which are arranged sequentially from a feed end to a discharge end; the bottom of the constant-temperature activating section is provided with a steam pipe which is coiled into a Z shape; steam jets are arranged in a staggered way; and a roller conveying mechanism is arranged in the heating furnace. The furnace has a reasonable structure and high working performance and is convenient to use.

Description

Technical field: [0001] The invention relates to a circulating roller hearth heating furnace for carbonizing and activating viscose non-woven felt after chemical heat treatment in a low-temperature furnace. Background technique: [0002] The existing circulating roller hearth heating furnace used for carbonization and activation of viscose non-woven felt after chemical heat treatment in a low-temperature furnace has unsatisfactory working performance due to structural and other reasons. Invention content: [0003] The object of the present invention is to provide a hot air circulation furnace with reasonable structure and good working performance. [0004] Technical solution of the present invention is: [0005] A hot air circulation furnace, including a furnace shell, a furnace door, a heating furnace, and a furnace, is characterized in that: the heating type of the heating furnace adopts the heating form of radiant tubes, and the radiant tubes are placed horizontally on...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06C7/04
Inventor 陈植民
Owner 江苏科力特环保科技有限公司