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A negative pressure dehydration and harmless treatment process for dead animals

A technology for harmless treatment of dead animals, applied in waste treatment, chemical instruments and methods, solid waste removal, etc., can solve the problems of environment and equipment impact, high energy consumption, etc., and achieve low cost, high dehydration efficiency, and energy efficiency. consumption reduction effect

Active Publication Date: 2021-06-15
MH ROBOT & AUTOMATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the traditional treatment process, there are a large number of organic oils with low molecular chains and low boiling points in the animal carcass, which will evaporate together with the water and enter the subsequent process, and condense in a low temperature environment to produce oil, which will affect the environment and equipment. It needs to be equipped with complex exhaust gas treatment equipment to cool and purify the water vapor generated, and at the same time, the energy consumption in the chemical dehydration process is very high

Method used

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  • A negative pressure dehydration and harmless treatment process for dead animals

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Refer to attached figure 1 , In the harmless treatment process of negative pressure evaporation system for dehydration of sick and dead animals, the process equipment includes: chemical dehydration chamber, steam pipeline system, secondary steam compression recovery pipeline system, condensate collection system, non-condensable gas exhaust systems, control systems, etc.;

[0038] Further, the chemical dehydration chamber includes a stirring motor (5), a stirring shaft (13), a tank inner cavity (7), a tank heating chamber (8), a feed inlet (21), a feed ball valve (20) , outlet (6) and other components;

[0039] The steam pipeline system includes steam gas supply pipeline (1), pressure reducing valve (2), one-way valve 1 (3), electric regulating valve (4) and other components;

[0040] The secondary vapor compression reuse pipeline system includes components such as a vapor compression pipeline (23), an electric ball valve (22), a vapor compressor (24), and a one-way va...

Embodiment 2

[0048] A negative pressure dehydration and harmless treatment device for dead animals, comprising: a tank body cavity 7, a tank body heating cavity 8; the top of the tank body cavity 7 is connected to the inlet of a vapor compression pipeline 23; the tank body heating cavity One side of 8 is connected with the steam gas supply pipeline 1; the bottom of the tank heating chamber 8 is connected with the condensate pipe 9, and the top is connected with the non-condensable gas exhaust pipe 16; the steam compression pipeline 23 is connected with the electric ball valve 22, The steam compressor 24 and the one-way valve (2) 27 are connected in sequence, and the outlet is connected to the end of the steam supply pipeline 1 .

[0049] The invention adopts negative pressure low-temperature evaporation and vapor compression recycling technology to realize low-temperature dehydration to avoid evaporation of low-boiling oil with water, and at the same time, the secondary vapor generated by d...

Embodiment 3

[0051] A negative pressure dehydration and harmless treatment device for dead animals, comprising: a tank body cavity 7, a tank body heating cavity 8; the top of the tank body cavity 7 is connected to the inlet of a vapor compression pipeline 23; the tank body heating cavity One side of 8 is connected with the steam gas supply pipeline 1; the bottom of the tank heating chamber 8 is connected with the condensate pipe 9, and the top is connected with the non-condensable gas exhaust pipe 16; the steam compression pipeline 23 is connected with the electric ball valve 22, The steam compressor 24 and the one-way valve (2) 27 are connected in sequence, and the outlet is connected to the end of the steam supply pipeline 1 .

[0052] The upper part of the tank inner cavity 7 is provided with a feed inlet 21, and the lower part is provided with a discharge port 6, and a stirring device 13 is provided in the tank body; a tank heating chamber 8 is provided at the bottom of the tank body; a...

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Abstract

The invention relates to a harmless treatment process of negative pressure dehydration and dehydration of dead animals. Aiming at the chemical production and dehydration links in the harmless treatment of dead animals, negative pressure low-temperature evaporation and vapor compression recycling technology are used to store materials at constant temperature and constant temperature. The chemical production operation is carried out under pressure; then the evaporation and dehydration is carried out under negative pressure, and the secondary steam generated by dehydration is reused as a heat source. Low-temperature dehydration is realized to avoid the evaporation of low-boiling oil with water. At the same time, the secondary vapor generated by dehydration is compressed by a steam compressor and recycled as a heat source to save energy. At the same time, the emission of waste gas mainly composed of water vapor is reduced by more than 95%.

Description

technical field [0001] The invention belongs to the technical field of harmless treatment of dead animal corpses, and in particular relates to a negative pressure dehydration and harmless treatment process for dead animals. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] Animals that die of illness need to be treated harmlessly because they carry germs, are easy to rot and breed harmful gases, secondary germs and other factors. Traditionally, high-temperature and high-pressure sterilization is used, followed by indirect heating to evaporate the water, and then into the oil press to separate the meat and bone meal from the oil to harmlessly treat and reuse the carcasses of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09B3/00
CPCB09B3/00B09B2101/02Y02W30/20
Inventor 王杰张开旭朱福泉张光迎李勋栋闫传杰张良杰秦凯强台秀梅唐照勇孔德砖
Owner MH ROBOT & AUTOMATION
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