1. Brief Introduction
Citric acid monohydrate capacity: 1500 tons/year
300 days/year, 3 shifts/day, 20 workers / shift
Whole factory 60 workers
The production line dimension: 30 meters (w) X 80meter(L) X 20meter (H)
Suggested operation area needed 900 m2/each layer
Workshops area about 5400m2
Whole factory area about 11340.72 m2
2. The following pictures just for your reference
3. Flow Chart
1) Corn crushing
2) Culture medium
3) Pretreatment
4) Fermentation
5) Pretreatment
6) Filtering
7) Neutralization
8) Filtering
9) Washing calcium
10) Mixing
11) Acid hydrolysis
12) Filtering
13) Activated carbon power
14) Cation exchange column
15) Anion exchange column
16) Purged liquor
17) Refining filtering
18) Pre heating
19) Evaporation
20) Crystallization
21) Drying
22) Screening
23) Packing
24) Finished product
4. Layout of the factory
5. Machine List
Citric acid monohydrate capacity: 1500 tons/year
300 days/year, 3 shifts/day, 20 workers / shift
Whole factory 60 workers
The production line dimension: 30 meters (w) X 80meter(L) X 20meter (H)
Suggested operation area needed 900 m2/each layer
Workshops area about 5400m2
Whole factory area about 11340.72 m2
2. The following pictures just for your reference
3. Flow Chart
1) Corn crushing
2) Culture medium
3) Pretreatment
4) Fermentation
5) Pretreatment
6) Filtering
7) Neutralization
8) Filtering
9) Washing calcium
10) Mixing
11) Acid hydrolysis
12) Filtering
13) Activated carbon power
14) Cation exchange column
15) Anion exchange column
16) Purged liquor
17) Refining filtering
18) Pre heating
19) Evaporation
20) Crystallization
21) Drying
22) Screening
23) Packing
24) Finished product
4. Layout of the factory
5. Machine List
| Name | Model & Specification | Material | Qty |
| Utility System | |||
| Steam | 0.5Mpa: 4t/h | ||
| Primary water | 5m 3 /h | ||
| Process water | 25m 3 /h | ||
| Fermentation concentration circulating water | 10m 3 /h | ||
| Power supply system | 6000KVA/10000V and 380V | ||
| Reciprocating type air compressor | 24m 3 /min centrifugal compressor | 2 | |
| DW-150/3 compressor | 1 | ||
| Air treatment system | Match with fermentation air | 1 | |
| Instrument air compressor | 3m 3 /0.7 | Steel | 2 |
| Freezer dryer | With instrument air | 2 | |
| Refrigerator and supporting accessories | 60000 /h,-8 degree | 3 | |
| Shallow water system | 200000 /h,+7 degree | 1 | |
| Raw Material Workshop | |||
| Corn silo | Capacity: 1.2t/h | 1 | |
| Corn crushing system | 1 t/h , 60 mesh, pass 70% | 1 | |
| Feeding tank | 2m 3 | Carbon steel | 3 |
| Mixer | 80rpm | 3 | |
| Pump | 5.0m 3 /h , 50m | 2 | |
| Jet liquefier | 5m 3 /h,100 class | Stainless steel | 2 |
| Pressure tank | 1m 3 ,0.2mpa | Carbon steel | 1 |
| Laminar flow tank | 1m 3 ,0.2mpa | Carbon steel | 6 |
| One-time liquid pump | 5m 3 , 30m | Carbon steel | 2 |
| Vapor liquid separator | DN800 | Carbon steel | 1 |
| Maintaining tank | 6m 3 | Carbon steel | 3 |
| Mixer | 65rpm | Carbon steel | 3 |
| Pump | 5m 3 /h ,30m | Carbon steel | 2 |
| Feed plate | 25m 2 | 5 | |
| Liquid transfer tank | 2.5m 3 | A3 | 1 |
| Pump | 2 | ||
| Liquid storage tank | 40m 3 | A3 | 1 |
| Pump | 2 | ||
| Feed tube bundle dryer | 60m 2 | 1 | |
| Feed packing system | 1 | ||
| Fermentation workshop | |||
| Seeds tank | 3m 3 | 304 | 3 |
| Seeding tank air system | 1m 3 /h,100 class | 3 | |
| Fermentation tank | F=30m 3 | 304 | 5 |
| Foam collector | Stainless steel | 5 | |
| Foam degassing tank | Carbon steel | 1 | |
| Tank discharging heater | 7m 2 , Coil heat exchanger | Stainless steel | 2 |
| Fermentation liquid storage tank | 30m 3 | Stainless steel | 2 |
| Fermentation liquid pump | 6m 3 /h,30m | Stainless steel | 2 |
| Extraction workshop | |||
| Fermentation liquid filter | 5m 2 | 2 | |
| Dilute acid tank | 3m 3 | Stainless steel | 1 |
| Wash water pump | 5m 3 , 25m | Stainless steel | 4 |
| Acid slag slurry mixing tank | 1.5m 3 | Stainless steel | 1 |
| Mixer | 65rpm | Stainless steel | 1 |
| Pump | 5m 3 /h , 50m | Stainless steel | 2 |
| Mixing tank | 4m 3 | Stainless steel | 1 |
| Vacuum pump | SZ-1 | 2 | |
| Plate and frame feed pump | 7.2m 3 , 80m | Stainless steel | 2 |
| Box press filter | 15m 2 | PP | 6 |
| Liquid tank | 6m 3 | Stainless steel | 1 |
| Liquid pump | 7.2m 3 / 35m | Stainless steel | 2 |
| Mycelium mixing tank | 1.5m 3 | Stainless steel | 1 |
| Pump | 5m 3 /h , 50m | Stainless steel | 2 |
| Collecting liquid tank | 1.5m 3 | Stainless steel | 1 |
| Washing filter cloth machine | D1000*1200 | Stainless steel | 1 |
| Filter cloth washing water recycling tank | 1m 3 | Stainless steel | 1 |
| Filter cloth washing water recycling pump | 3.6m 3 , 25m | Stainless steel | 2 |
| Neutralization barrel (Calcium carbonate neutralization) | 3m 3 | Stainless steel | 7 |
| Neutralization filter | 3m 2 | Stainless steel | 3 |
| Lime calcium washing tank | 2m 3 | Stainless steel | 1 |
| Lime calcium washing pump | 7.2m 3 , 25m | Stainless steel | 2 |
| Neutralization water vacuum pump | SZ-1 | 2 | |
| Lime calcium auger | D200 | Stainless steel | 2 |
| Calcium salt mixing tank | 1.5m 3 | Stainless steel | 2 |
| Pre decomposition tank | 2m 3 | Corrosion protection | 1 |
| Acid hydrolysis pot | 3m 3 | Corrosion protection | 3 |
| Acidolysis liquid delivery pump | 5.4m 3 /h , 30m | Stainless steel | 2 |
| Acidolysis and filter | 3m 2 | Stainless steel | 1 |
| Concentrated acid tank | 5m 3 | Corrosion protection | 1 |
| Concentrated acid pump | 22m 3 , 25m | Stainless steel | 2 |
| Dilute acid tank | 2m 3 | Corrosion protection | 1 |
| Dilute acid pump | 3.6m 3 , 25m | Stainless steel | 2 |
| Acid hydrolysis water vacuum pump | SZ-1 | 1 | |
| Acid hydrolysis vacuum protection barrel | 0.5m 3 | Corrosion protection | 1 |
| Hot water tank | 6m 3 | Carbon steel | 1 |
| Hot water pump | 3.6m 3 , 25m | Stainless steel | 2 |
| Sulfuric acid metering tank | 2m 3 | Carbon steel | 1 |
| Calcium carbonate mixing tank | 1m 3 | Carbon steel | 1 |
| Mixer | 65rpm | Carbon steel | 1 |
| Calcium carbonate mixing tank | 40m , 5.4m 3 /h | Carbon steel | 2 |
| Sulfuric acid tank | 15m 3 | Carbon steel | 1 |
| Sulfuric acid pump | 3.6m 3 /h, 30m | Carbon steel | 2 |
| Refining Workshop | |||
| Acid hydrolysis liquid storage tank | 6m 3 | Corrosion protection | 2 |
| Acid hydrolysis liquid pump | 6m 3 , 50m | Corrosion protection | 2 |
| Decolouring column | 2.5m 3 | Corrosion protection | 6 |
| Cation exchange column | 2.5m 3 | Corrosion protection | 4 |
| Anion exchange column | 2.5m 3 | Corrosion protection | 4 |
| Recovery tank | 5m 3 | Corrosion protection | 3 |
| Dilute acid recycling tank | 3m 3 | Corrosion protection | 3 |
| Dilute acid recycling pump | 3.6m 3 ,25m | Stainless steel | 3 |
| Ion exchange liquid tank | 3m 3 | Stainless steel | 1 |
| Ion exchange liquid tank | 6m 3 | Stainless steel | 1 |
| Ion exchange liquid pump | 5.4m 3 /h , 25m | Stainless steel | 2 |
| Alkali liquid preparation tank | 3m 3 | Carbon steel | 1 |
| Alkali recovery tank | 3m 3 | Carbon steel | 1 |
| Alkali liquid pump | 3.6m 3 /h ,25m | Carbon steel | 2 |
| Hydrochloric acid preparation tank | 3m 3 | Corrosion protection | 1 |
| Hydrochloric acid recovery tank | 3m 3 | Corrosion protection | 1 |
| Hydrochloric acid pump | 3.6m 3 /h ,25m | Corrosion protection | 2 |
| Waste water neutralization pool | 5m 3 | Corrosion protection | 1 |
| Deionized water storage tank | 10m 3 | Corrosion protection | 1 |
| Deionized pump | 7.2m 3 30m | Stainless steel | 2 |
| Concentrated feed pump | 3.6m 3 /h , 20m | Stainless steel | 2 |
| Plate heat exchanger | 2m 2 | Stainless steel | 2 |
| Three effect concentration (set) | Evaporation capacity :1t/h | Stainless steel | 1 |
| Double-effect mother liquid concentrate crystallization tank (set) | Evaporation capacity :1t/h | Stainless steel | 1 |
| Concentrated liquid storage tank | 1m 3 | Stainless steel | 1 |
| Filter | 3m 3 | Stainless steel | 2 |
| Filtered liquor storage tank | 1.5m 3 | Stainless steel | 1 |
| Monohydrate crystallization cans | 3m 3 | Stainless steel | 3 |
| Crystalslurry storage tank | 3m 3 | Stainless steel | 1 |
| Crystalslurry pump | 3.6m 3 /h , 30m | Stainless steel | 1 |
| Mother liquid crystal slurry storage tank | 1m 3 | PP | 1 |
| Mother liquid crystal slurry pump | 3.6m 3 , 30m | Stainless steel | 1 |
| Water ring vacuum pump | SZ-1 | 2 | |
| Centrifugal machine | D1000 | Stainless steel | 1 |
| Boiling vibration fluidized bed system | Stainless steel | 2 | |
| Vibrating screen | D800 | Stainless steel | 2 |
| Mixed material storage silo | 2m 3 | Stainless steel | 1 |
| automatic 25kg packing machine | 25kg | Stainless steel | 2 |
| Ton packing machine | Stainless steel | 1 | |
| Wet dust collector | D1500 | PP | 2 |
| Circulating pump | 3.6m 3 , 25m | Stainless steel | 2 |
| Waste mother liquid tank | 1m 3 | Corrosion protection | 2 |
| Waste mother liquid delivery pump | 3.6m 3 , 25m | Corrosion protection | 1 |
| Dissolving tank | 1m 3 | 316 | 4 |
| Dissolving pump | 3.6m 3 , 25m | Corrosion protection | 4 |
| Total hydrochloric acid storage tank | 5m 3 | Corrosion protection | 1 |
| Hydrochloric acid pump | 3.6m 3 , 25m | Corrosion protection | 2 |
| Total liquidalkali storage tank | 5m 3 | Carbon steel | 1 |
| Liquidalkali pump | 3.6m 3 , 25m | Carbon steel | 2 |
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