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Method and device for comprehensively utilizing water from boiling sugar production

A technology for producing water and boiling sugar, which is applied in sucrose production, sugar production, lighting and heating equipment, etc., to save production water and reduce harm

Inactive Publication Date: 2007-06-27
GUANGXI YUEGUI GUANGYE HOLDINGS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above public documents discuss the direction of recovery and comprehensive utilization of sugar factory water resources from some methods, but there is still a lot of work to be done around the full utilization of sugar factory wastewater and waste residues

Method used

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  • Method and device for comprehensively utilizing water from boiling sugar production
  • Method and device for comprehensively utilizing water from boiling sugar production

Examples

Experimental program
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Effect test

Embodiment 1

[0017] Water ring vacuum pump + clapboard condenser replaces the water jet condenser of the existing sugar boiling tank in the sugar factory to evacuate, completely avoiding the contact between boiling sugar juice vapor and water during the condensation process, and collecting cooling water and condensed water separately . Boiling sugar spray water (cooling water) rises from 20-30°C at the inlet of the plate condenser to 45-85°C without any sugar and impurities. No matter it is primary water or secondary water, it is all supplied to papermaking The plant is used as bagasse cooking or pulp washing, and the juice vapor condensate water is used as a high-quality process water to reuse the first sugar sieving and washing water in the sugar factory.

Embodiment 2

[0019] Use a centrifugal vacuum pump + tube condenser to replace the existing water jet condenser in the sugar boiling tank of the sugar factory to evacuate the vacuum, completely avoiding the contact between the boiled sugar juice vapor and water during the condensation process, and collecting the cooling water and condensed water separately. Spraying water (cooling water) for boiling sugar rises from 20-30°C at the inlet of the plate condenser to 45-85°C, without any sugar and impurities. Whether it is primary water or secondary water, spray water After treatment, all of it will be used as preheating boiler water (use the heat exchanger to heat the soft water to reduce the fuel consumption of the boiler), and the juice vapor condensed water will be reused as a high-quality process water for pressing or washing filter cloth in sugar factories .

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Abstract

The method introduces both juice and gas at exit above bowl of boiling sugar, and cooling water to indirect condenser at same time. In the indirect condenser, juice-gas, cooling water pass through different channels. Being connected to condenser, vacuum pump forms vacuum on the exit above bowl of boiling sugar. Condensed juice-gas in the indirect condenser going to collection bowl is as process water recycled by sugar mill. After passing through the exit of the indirect condenser, cooling water going to spray pond or hot water storage tank is as hot water for production or living water. The invention saves process water, and reduces discharge of sewage.

Description

technical field [0001] The invention relates to a technology for comprehensive utilization of production water in sugar factories. Specifically, it is a method and equipment for separating cooling water and condensing water in a sugar boiling condensing vacuum system and reusing them all. Background technique [0002] China is a big water-scarce country, and its water resources are not abundant, but its waste of water is astonishing, and the problem of supply and demand is very serious. This conclusion is not alarmist. my country's total water resources are 281 million cubic meters, ranking sixth in the world after Brazil, the former Soviet Union, Canada, the United States and Indonesia. Although the absolute amount is considered abundant, due to the large population, the per capita water resources are much lower than the world average, ranking only 88th in the world. And with the rapid growth of population, per capita water resources are decreasing every year. From the ...

Claims

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Application Information

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IPC IPC(8): F28B1/02C13F1/00C13B25/00
Inventor 黄家驹陈寿冲农皓陈健蓝贤州聂威俸斌沈承
Owner GUANGXI YUEGUI GUANGYE HOLDINGS CO LTD
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