低温余热回收系统是怎么工作的：针对30-80℃的工业废水，通过高效换热器或热泵机组提取热能；将回收的热能转化为70-95℃高温热水，无缝对接工厂用热需求；废水余热→加热净水→供给锅炉/清洗/生产线→减少外部能源依赖，实现“热-水-热”循环。

How does the low-temperature waste heat recovery system work: for industrial wastewater at 30-80 ℃, heat energy is extracted through efficient heat exchangers or heat pump units; Convert the recovered heat energy into high temperature hot water at 70-95 ℃, seamlessly meeting the heat demand of the factory; Waste heat from wastewater → Heating purified water → Supplying boilers/cleaning/production lines → Reducing external energy dependence, achieving a "heat water heat" cycle.

哪些行业需要低温余热回收系统？

Which industries require low-temperature waste heat recovery systems?

1、食品饮料行业

1. Food and beverage industry

工艺环节：高温杀菌、设备清洗、CIP清洗

Process steps: High temperature sterilization, equipment cleaning, CIP cleaning

废水参数：40-60℃废水，日均排放量达数十吨

Wastewater parameters: 40-60 ℃ wastewater, with a daily discharge of tens of tons

余热回用：回收废热加热85℃以上热水，用于锅炉补水预热或生产线杀菌，节能50%+

Waste heat recycling: Recovering waste heat to heat hot water above 85 ℃, used for boiler makeup preheating or production line sterilization, saving 50% energy+

2、纺织印染行业

2. Textile printing and dyeing industry

工艺环节：漂染、水洗、定型机冷却

Process steps: bleaching and dyeing, water washing, cooling of shaping machine

废水参数：50-70℃废水，热能浪费高达总能耗的25%

Wastewater parameters: 50-70 ℃ wastewater, waste of thermal energy up to 25% of total energy consumption

余热回用：将废水热能转化为90℃高温热水，供给染色机或烘干机，降低蒸汽用量40%

Waste heat reuse: Convert the thermal energy of wastewater into 90 ℃ high-temperature hot water, which is supplied to dyeing machines or dryers, reducing steam consumption by 40%

3、化工电镀行业

3. Chemical electroplating industry

工艺环节：反应釜冷却、电镀槽清洗、废气喷淋

Process steps: reactor cooling, electroplating tank cleaning, exhaust gas spraying

废水参数：30-50℃废水，余热潜力巨大

Wastewater parameters: 30-50 ℃ wastewater with huge potential for waste heat

余热回用：通过热泵提温至75℃以上，用于原料预加热或纯水制备，年省燃煤百吨

Waste heat reuse: heated to above 75 ℃ by a heat pump, used for raw material preheating or pure water preparation, saving 100 tons of coal per year

低温余热回收系统有什么优势？

What are the advantages of low-temperature waste heat recovery system?

1.直接节能：每回收1吨60℃废水热能，可减少15-20kg标准煤消耗。

1. Direct energy saving: For every ton of 60 ℃ wastewater heat recovered, 15-20kg of standard coal consumption can be reduced.

2.成本降低：年节省蒸汽/电力费用达百万元，投资回报周期仅1-3年。

2. Cost reduction: Annual savings of up to one million yuan in steam/electricity costs, with a return on investment period of only 1-3 years.

3.环保达标：减少碳排放20%-50%，助力绿色工厂认证。

3. Environmental compliance: Reduce carbon emissions by 20% -50% and assist in green factory certification.

4.工艺升级：稳定高温热水供应，提升生产连续性及产品品质。

4. Process upgrade: Stabilize high-temperature hot water supply, improve production continuity and product quality.

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