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Young Planting

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无动力抑尘卸料解决方案

一、皮带机转接点粉尘解决方案

1. 提出问题
在玉米皮带机输送线上,通常为避免粉尘扩散,采取在输送转接点上加装负压除尘器,存在以下核心问题:

1.1.    粉尘扩散严重,传统斜导料槽出口至受料皮带空间范围内,因物料下落引发的诱导气流及落料冲击等原因,造成粉尘扩散浓度高达80-120 mg/m³。
1.2.    受料皮带频发跑偏,非对称物料冲击力造成皮带单侧受力,年均跑偏10余次,造成皮带磨损加剧,使用寿命缩短30%以上。
1.3.    能耗与维护成本高,传统除尘设备需持续供电(功率≥5.5kW),年耗电量超3万度;滤袋更换、保养等年维护成本>2万元。

 

2. 解决方案
针对上述问题,拆掉负压除尘设备,换装YCH无动力抑尘导料溜槽。
3. 实施效果
散物料输送转接点改装YCH无动力抑尘装置综合效益分析表

项目

改造前
(负压除尘器)

改造后
(无动力抑尘)

提升幅度

节省运营成本
(万元)

 
 

粉尘排放浓度,mg/m³

50-100

≤20

环保达标

——

 

粉尘排放量,吨/年

80

20

降低75%

13.8

 

皮带跑偏故障率,次/年

15

0

100%消除

——

 

年综合能耗,万度电

3

0

节能率100%

2.7

 

设备维护成本,万元/年

2.0

0.1

降低95%

2.0

 

节省运营成本合计,万元

18.5

 

改造成本(含设备及改造费用),万元

6.0

 

投资回收周期=6.0/18.5*12=3.9个月

 

备注:
①散粮输送量20万吨/年,物料:玉米;
②粉尘扩散率:改造前0.4‰,改造后0.1‰。

 
 

二、装车楼粉尘问题解决方案

1. 提出问题 在装车楼(塔)大豆装车作业中,负压除尘器除尘方案存在以下核心问题:

2. 解决方案 针对上述问题,拆掉原装伸缩溜筒,装车点加装YGH无动力抑尘料斗。

3. 实施效果
装车楼(塔)散料装车点加装YCH无动力抑尘料斗综合效益分析表

项目

改造前
(负压除尘器)

改造后
(无动力抑尘)

提升幅度

节省运营成本
(万元)

 
 

粉尘排放浓度,mg/m³

100-150

≤20

环保达标

——

 

粉尘排放量,吨/年

120

30

降低75%

18

 

装车效率,吨/小时

600

1000

提升66.7%

——

 

年综合能耗,万度电

4.2

0

节能率100%

3.8

 

设备维护成本,万元/年

4.5

0.15

降低97.6%

4.35

 

节省运营成本合计,万元

26.15

 

改造成本(含设备及改造费用),万元

5.5

 

投资回收周期=5.5/26.15*12=2.5个月

 

备注:
①散粮接卸量5万吨/年/装车点,物料:大豆;
②粉尘扩散率:改造前0.6‰,改造后0.15‰。

 
 

 

三、筒仓侧壁放料粉尘解决方案

1. 提出问题
在大豆筒仓侧壁溜管发放作业中,原负压除尘器除尘方案存在以下核心问题:

1.1.    传统除尘系统缺陷,加装除尘器需加固安装平台。
1.2.    性能与成本失衡,除尘后粉尘浓度仍达60-100 mg/m³;
1.3.    电能耗费严重,除尘器功率≥4kW,年耗电>2.5万度;
1.4.    运维效率低下,更换耗材(滤筒等)及人工每年2万元。

2. 解决方案

针对上述问题,拆除原除尘、动力及伸缩溜筒系统,换装微型YCH无动力抑尘料斗,料斗全高度仅为0.4~0.5米。

3. 实施效果
筒仓侧壁换装YCH无动力抑尘系统综合效益分析表

项目

改造前
(负压除尘器)

改造后
(无动力抑尘)

提升幅度

节省运营成本
(万元)

 
 

粉尘排放浓度,mg/m³

50-80

≤15 mg/m³

环保达标

——

 

粉尘排放量,吨/年

20

5

降低75%

6

 

安装高度需求,m

≥1.5

≥0.45

缩减76.7%

——

 

装车效率,吨/小时

160

240

提升60%

——

 

年综合能耗,万度电

2.5

0

节能率100%

2.3

 

设备维护成本,万元/年

3.5

0.1

降低97%

3.4

 

节省运营成本合计,万元

11.7

 

改造成本(含设备及改造费用),万元

4.5

 

投资回收周期=4.5/11.7*12=4.6个月

 

备注:
①筒仓侧壁发放量5万吨/年/装车点,物料:大豆;
②粉尘扩散率:改造前0.4‰,改造后0.1‰。

 

三、移动皮带机粉尘解决方案

1. 提出问题
某钾肥工厂在移动皮带输送机装车或装集装箱作业中,开放式方案存在以下核心问题:

1.1.    扬尘污染严重:物料下落时因冲击气流产生大量粉尘,作业区域粉尘浓度远超环保标准(如>200 mg/m³),影响工人健康及周边环境。
1.2.    装载效率低下:物料洒落、堆积不均导致需人工干预调整,延长装车时间,降低物流周转率。
1.3.    空间适配性差:传统抑尘设备体积大、重量高,难以匹配移动皮带机的轻量化结构和狭小安装空间。
1.4.    能耗与维护成本高:依赖外部动力(喷淋系统)的抑尘方案能耗大,且需定期维护,增加运营成本。

2. 解决方案
针对上述问题,设计YGH无动力抑尘料斗+导流罩集成系统。

3. 实施效果
移动皮带输送机头部加装YGH无动力抑尘料斗+导流罩集成系统综合效益分析表

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Wind Energy

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