Steam and heat conducting oil dual-purpose vacuum drier

A technology of vacuum dryer and heat transfer oil, which is applied in drying solid materials, lighting and heating equipment, and method combination to dry solid materials, etc., can solve the problem of uneven heating of inner tank, large energy waste, and low working efficiency of vacuum dryer and other problems to achieve the effect of enhancing the uniformity of heat medium distribution

Inactive Publication Date: 2011-04-20
周新建
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitation of the structure of the existing dry vacuum device, there is a large gap between the guide ring and the outer tank, so part of the heat transfer oil will flow in the interlayer in a straight line, commonly known as a short circuit, so that the inner tank is heated unevenly , leading to low working efficiency of the vacuum dryer and large energy waste

Method used

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  • Steam and heat conducting oil dual-purpose vacuum drier
  • Steam and heat conducting oil dual-purpose vacuum drier
  • Steam and heat conducting oil dual-purpose vacuum drier

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Embodiment 1: A dual-purpose vacuum dryer for steam and heat transfer oil, including a tank body composed of an inner tank 1 and an outer tank 2, an interlayer 4 is formed between the inner tank 1 and the outer tank 2, and the inner tank is equipped with a pump The vacuum device, the tank body includes a barrel body 5 in the middle, a first head 6 and a second head 7 arranged at the end of the barrel body, the first head 6 is provided with a pipe joint 8 communicating with the interlayer 4 .

[0039] A first annular baffle 9 is arranged in the interlayer between the first head 6 and the barrel body 5, and a plurality of first guide plates 10 are arranged between the pipe joint 8 and the first annular baffle 9 to distribute the heat medium evenly. , the first annular baffle 9 is provided with a first guide hole 11 .

[0040]A second annular baffle 12 is provided in the interlayer of the middle part of the barrel body 5, and the second annular baffle 12 is provided with a...

Embodiment 2

[0051] Embodiment 2: The other parts of the present invention are the same as Embodiment 1, the difference is that when the number of the first diversion holes 11 is 2, the 2 first diversion holes 11 are arranged at the position furthest away from the pipe joint 8. On both sides of the symmetry in the distance. The total cross-sectional area of ​​the two first diversion holes 11 is 1-3 times the total cross-sectional area of ​​the four inlet holes. The number of the second diversion holes 13 is two, and the positions of the two second diversion holes 13 correspond to the positions of the first diversion holes 11 . There can be 4 or 6 first guide holes 11 . There can also be 4 or 6 second guide holes 13 .

[0052] The heat medium can be heat transfer oil or steam. When the heat medium is heat-conducting oil, the five heat-transfer zones provided by the invention are heated evenly, absorb heat thoroughly, conduct heat quickly, and have high thermal efficiency, achieving remar...

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Abstract

The invention discloses a steam and heat conducting oil dual-purpose vacuum drier which comprises a tank body, wherein the tank body comprises an inner container and an outer container; an interlayer is formed between the inner container and the outer container; the tank body comprises a middle cylinder and a first seal head and a second seal head which are arranged at the end part of the cylinder; a pipeline joint communicated with the interlayer is arranged on the first seal head; and the interlayer forms five heat transfer areas by arranging a first annular baffle plate, a second annular baffle plate, a third annular baffle plate, a first guide plate, a second guide plate, a helical guide ring, an opening type annular baffle plate and a backflow pipeline assembly. The invention has theadvantages of more even heating of the vacuum drier, thorough heat absorption of the inner container and higher heat utilization ratio and energy saving.

Description

technical field [0001] The invention relates to a vacuum drier, in particular to a dual-purpose vacuum drier for steam and heat conduction oil. Background technique [0002] The existing structure of the vacuum dryer comprises an inner container and an outer container, and the inner container is equipped with a vacuum device. A sandwich is formed between the inner tank and the outer tank, and steam or heat transfer oil is used to heat the material of the inner tank. [0003] In the case of steam passing through the interlayer, since the steam is fluid, the flow direction is unobstructed. When the material in the inner tank is dry, turn off the steam inlet valve, and about 1 / 2 of the volume of condensed water is stored in the interlayer. At this time, when the internal material is taken out and new material is put in, it enters the drying process again. The newly introduced part of the steam needs to vaporize the condensed water deposited in the previous drying process, so ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B7/00F26B23/10
Inventor 周新建
Owner 周新建
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