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Corn starch concentration waste pulp recovering and torch firing method

A corn starch and pulp recovery technology, applied in the combustion method, combustion type, incinerator, etc., can solve the problem of no concentrated waste syrup recovery and burning, and achieve the effect of preventing air leakage and eliminating stress.

Inactive Publication Date: 2018-04-06
TIANHUA INST OF CHEM MACHINERY & AUTOMATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is no report on the technology of recycling and burning concentrated waste syrup at home and abroad

Method used

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  • Corn starch concentration waste pulp recovering and torch firing method

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Embodiment Construction

[0029] A kind of cornstarch concentrated waste slurry reclaims spray burning method, comprises the following steps:

[0030] (1) Set up a vertical waste slurry collection tank in the starch workshop; set up a temporary storage tank in the thermoelectric workshop.

[0031] ⑵ Holes are opened on the fins between the boiler water wall 1 tubes.

[0032] (3) The front part of the nozzle 2 in the spray gun is provided with a buffer protection sleeve 3, the buffer protection sleeve 3 is fully welded to the fins, and a part of the buffer protection sleeve 3 is placed in the boiler furnace, and the other part is placed in the furnace. Outside the boiler furnace; the nozzle of the buffer protection sleeve 3 placed outside the boiler furnace is welded with a flange 4; the rear part of the nozzle pipe 2 is provided with an atomizing nozzle 5 connected with compressed air, and connected with the thick slurry pipeline 6 (see figure 1 ).

[0033] Wherein: the buffer protection casing 3 is...

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Abstract

The invention relates to a corn starch concentration waste pulp recovering and torch firing method. The method includes the following steps that (1) a vertical waste pulp collecting tank is arranged in a starch workshop, and a temporary storage tank is arranged in a pyroelectricity workshop; (2) holes are formed in fins between boiler water cooling wall tubes; (3) a cushion protection sleeve is arranged at the front portion of a spraying pipe in a spraying gun, a part of the cushion protection sleeve is arranged in a boiler, the other part of the cushion protection sleeve is arranged outside the boiler, and an atomizing nozzle is arranged at the back portion of the spraying pipe and connected with a thick pulp pipe; (4) a spraying-in point of a spraying gun is arranged at the position, between the two meters to three meters, from the combination face of a dense-phase zone and a lean-phase zone in a boiler furnace upwards; (5) waste pulp in the waste pulp collecting tank is conveyed tothe temporary storage tank through pipes by means of a conveying pump, and is subject to solid sundry separation in the temporary storage tank, and solid sundries and the waste pulp obtained after thesundries are removed are obtained; and (6) the waste pulp obtained after the sundries are removed enters the spraying gun through a thick pulp pipe by means of a high pressure pump and is sprayed into a boiler burning chamber from the spraying-in point to be burnt. The corn starch concentration waste pulp recovering and torch firing method has the beneficial effect of being efficient and clean.

Description

technical field [0001] The invention relates to the field of deep processing of corn starch, in particular to a method for recycling and spraying corn starch concentrated waste slurry. Background technique [0002] Concentrated waste slurry is a viscous liquid produced during the large-scale industrial production of corn starch. It is concentrated from corn soaking liquid, which contains nearly 40% organic matter and a certain amount of dust and trace organic toxins. Because of its syrup-like physical properties, conventional heating methods cannot be used to dry it thoroughly. Previously, the starch industry used to mix it with feed products and then dry it. However, due to the trace amount of vomitoxin and yellow The reason of aspergillus will lead to the decline of feed quality after adding. In order to ensure the quality of livestock products, the aquaculture industry has begun to refuse to purchase pulped feed. Before there is no better and more perfect recycling metho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G7/04
CPCF23G7/04F23G2209/101
Inventor 杨慧霞赵旭张振雷司欢欢申涛狄家景王明国徐东漆常青林盛久
Owner TIANHUA INST OF CHEM MACHINERY & AUTOMATION
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