Rendering Plants

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Energy Saving

ASTW တုိက္ရုိက္က်ဳံ႕ၿပီးျပန္လာသည့္စနစ္ (သုိေလွာင္သည့္တုိင္ကီ)

တုိက္ရုိက္က်ံဳ႕ဆန္႔စနစ္

၁၂ % အထိသက္သာၿပီးသင္၏ဘြိဳင္လာေလာင္စာဆီအားသက္သာ

ေစျခင္းႏွင့္ဘြိဳင္လာအားေထာက္ပံ့သည့္ေရႏွင့္ဓါတုပစၥည္းမ်ားကုိသက္ သာေစသည္။

· သြယ္ဝုိက္၍အပူေပးရသည့္ အားလုံးေသာအေျခာက္ခံစက္မ်ား၊ခ်က္ ျပဳတ္စက္မ်ား၊ပုိးမႊားသတ္သည့္စက္မ်ား။

· ပန္႔စနစ္သည္ ဖိအားအပူေပး၍က်ဳံ႕သြားသည္တုိ႔ကုိဘြိဳင္လာသုိ႔ခ်က္ ခ်င္း၀င္ၿပီးအျပည့္အဝ စနစ္ကုိပိတ္၍ အေငြ႔ဆုံးရႈံးျခင္းမရွိ။

· ဥပမာ(ပုံကုိၾကည့္ပါ)- ေရေငြ႔ဖိအားပုိက္()လုိင္းပါသည့္အေျခာက္ခံ စက္သည္အေငြ႔စုေဆာင္းရာတြင္ ၁၂% အထိအေငြ႔ဆုံးရႈံးၿပီးဆူေစ၍ က်ဳံ႕ေစရာတြင္အပူခ်ိန္ကုိ 164˚C မွ 100˚C သုိ႔ေလ်ာ့က်ေစသည္။

· အလုိအေလ်ာက္လည္ပတ္ရာတြင္အကယ္၍ ပန္႔႔ရပ္တန္႔ပါက စနစ္မွ အလုိအေလ်ာက္ပုံမွန္အေငြ႔စုေဆာင္းသည့္စနစ္ကုိဖြင့္လွစ္လုပ္ေဆာင္ေပးသည္။ တစ္ခုတည္းတြင္ ဘြိဳင္လာအမ်ိဳးမ်ိဳးတပ္ဆင္ျခင္း။

စနစ္သည္ က်စ္လစ္ေသာစံႏႈန္းအျဖစ္လုပ္ေဆာင္ၿပီး ပါဝင္သည္မ်ားမွာ -

· လက္ခံသည့္တုိင္ကီ(၁၀လုိင္းအထိအသိအမွတ္ျပဳသည္)

· အပူခ်ိန္ျမွင့္၊ဖိအားျမွင့္သည့္ပန္႔။

· စီးဆင္းမႈကုိထိန္းခ်ဳပ္သည့္အရာမ်ားႏွင့္ေရခ်ိန္ဖြင့္သည့္ခလုတ္။

· ေရေငြ႔အပိတ္ကုိအသုံးျပဳ၍အလုိအေလ်ာက္ျဖတ္သန္းသည့္စနစ္။

· လွ်ပ္စစ္ဓါတ္အား ထိန္းခ်ဳပ္သည့္ေနရာ။

· ဘြိဳင္လာအတြက္အႏၱရာယ္ကင္းေသာျမင့္မားသည့္ေရခ်ိန္ပမာဏ။

· တပ္ဆင္ျခင္းႏွင့္လုပ္ငန္းအပ္ႏွံျခင္းပါဝင္ပါသည္။

· အေလးခ်ိန္၁၂၇၅ကီလုိဂရမ္၊ထုထည္၈.၀၀ကုဗမီတာ(m3)

· အတုိင္းအတာအလ်ား၂.xအနံ၂.xအျမင့္၁.၉၀မီတာ(m.)

မွတ္ခ်က္ - စံႏႈန္းတစ္ခုလွ်င္အေျခာက္ခံစက္တစ္ခုစီလုိအပ္သည္။

Waste Heat Evaporator (WHE) for fishmeal plants

The only purpose of the WHE is to save energy and lower the steam consumption.

The WHE can reduce the steam consumption about 50 %, this is important if the boiler fuel is expensive, like diesel oil, heavy fuel oil or natural gas.

The WHE is mostly used for OFP = Oily Fish Plants with cooker and press where the stick water and fish oil is separatedanyway, but can also be used for lean fish to save energy. The WHE come in 1-stage if the stick water is little (tuna waste) and 2-stage if the stick water is higher (sardine). Calculation will show what is needed.

The Rotary Disc Drier is a drier for solids = fishmeal. The WHE is a drier for stick water, coming from the decanter and separator.

The stick water contains dissolved protein (like sugar is dissolved in water), and this protein is valuable and must be recovered for higher % protein and better price also called whole fishmeal. If the stick water is thrown away it is very polluted.

The WHE does not use steam from the boiler, but use the wasted vapor from the disc drier that would normally be thrown away.

The disc drier will evaporate water at normal boiling point 100 deg C. The WHE will evaporate water under vacuum where the boiling point is only 60 deg C. (that is the whole secret with the WHE = vacuum!)

The design of a WHE is basically a stainless heat exchanger with tubes, a circulation pump for the stick water which is pumped around and around, a vacuum pump plus two in and out feed pumps, and a condenser.

When the WHE has run for a while, the stick water will concentrate to a thick syrup that is pumped into the drier and mixed with the fishmeal.

WHE requires skilled operators and good maintenance and must often be cleaned by flushing with caustic soda.

The WHE is quite expensive and can be installed after the OFP fishmeal plant is installed.