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HOW TO CALCULATE A LAUNDRY

HOW TO CALCULATE A LAUNDRY. Initial considerations. Hotel linen laundry. Hospital linen laundry. Input Information. a) Number of rooms or beds. b) Kg to be processed. c) List of equipment. Input Information. a) Number of rooms (Hotel). Linen ratio per bedspaces

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HOW TO CALCULATE A LAUNDRY

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  1. HOW TO CALCULATE A LAUNDRY

  2. Initial considerations Hotel linen laundry Hospital linen laundry

  3. Input Information a) Number of rooms or beds b) Kg to be processed c) List of equipment

  4. Input Information a) Number of rooms (Hotel) Linen ratio per bedspaces Weight of dirty linen per person & day Double room Type of Hotel (holidays, business, ..) Hotel category Restaurants, convention rooms,.. Swimming pool, spa,..

  5. Input Information a) Number of beds (Hospital) Linen ratio per bedspaces Weight of dirty linen per person & day Type of Hospital Nº of operating rooms Nº of employees

  6. Output per hour calculation a) Number of beds No. rooms x 2 x Ratio = Kg /day Kg /day x 7 days / week hours = Kg / h Consider occupancy ratio?

  7. Output per hour calculation b) Kg to be processed (per work-shift) Kg to be processed / hours per shift = Kg / h

  8. Output per hour calculation c) List of equipment Wash capacity in Kg = Kg / h production To consider the wash program duration

  9. Clothes Percentages

  10. Output per hour calculation c) List of equipment To check that the dryers and the flatwork ironer are agreement with the wash capacity

  11. Output per hour calculation Example with 100 kg/h production Touristic Hotel To Wash 100 % 100 Kg/h To Dry 50 % 50 Kg/h To Iron 50 % 50 Kg/h Form 0 %

  12. Output per hour calculation Example with 500 kg/h production Hospital To Wash 100 % 500 Kg/h To Dry 30 % 150 Kg/h To Iron 70 % 350 Kg/h Form * 15 % 75 Kg/h *It is necessary to dry the clothes of form

  13. Type of laundry Considering the production : Less of 500 Kg/h Washer extractor More of 500 Kg/h Bathch Washer

  14. Example A : 5 stars hotel Starting data: 2,000 rooms Exhibition center Spa, Gym & Wellness center 60% average occupancy 50 h/week Urban hotel Steam Cold water. Hot water not possible.

  15. Example A: 5 stars hotel Calculation of full occupancy needs: 2,000 rooms x 3 kg = 6,000 kg/day Calculation of average occupancy: 6,000 kg/day x 0.6 = 3,600kg/day Linen to be treated per week: 3,600kg/day x 7 days = 25,200 kg/week Linen to be treated per hour: 25,200kg/week / 40h/week = 630 kg/h DECISION: BATCH WASHER

  16. Example A : 5 stars hotel 630kg/h Batch washer selection: 630kg/h / 50kg/load = 12.6 ≈ 13 loads hour 60min = 3,600 s 3,600 s / 13 loads = 280 s Washing cycle: HOTEL pe: 30min = 1,800 s 1,800 s / 280 s per room = 6.42 ≈ 7 modules Cycle time = 280sec = 4:40 min

  17. Example A : 5 stars hotel 630kg/h Drying and ironing selection Hotel with SPA: 50% flatwork, 50% towel 630kg/h x 0.5 = 315 kg/h drying Drying ST-100 = 200kg/h capacity (2 complete cycles) And, also, a dryer to untangle flat linen is required. Then: 3 ST-100 (2+1)

  18. Example A : 5 stars hotel 630 kg/h Drying and ironing selection Hotel with SPA: 50% flatwork, 50% towel 630kg/h x 0.5 = 315 kg/h ironing Ironing 315kg/h x 50% residual humidity on linen = 158kg/h (EVAP) EVAPORATION =158 l water/h / 65% machine use THEORETICAL EVAPORATION CAPACITY OF MACHINE= 242 l 1- PSN-8033-2

  19. Example A : 5 stars hotel

  20. Example A : 5 stars hotel • Laundry equipment • 1- TBS-50/7 A (Multi type) • 1- SPR-50-L • 1- CEDD-11.3 • 1- CEDD-CTR.3 • 1- FD-3 • 3- ST-100-VAP • 1- DRM (Manual Feeder) • 1- PSN-8033-2 VAP • 1- FL-KING 4V MX2P (3P/4V + 2P1V o 1P2V) • 1- ROT • 1- FT-SMART (315kg/h towels) • 1- HS- 6057-VAP (smallbatches, rejections, …) • 1 HS- 6017-VAP (Customer clothing, …) • 1 STI-54 VAP • 1 STI-23 VAP • And, also, equipment for garmentfinishing, plastifying, ...

  21. Example B : Big hospital Starting data: 1,290 rooms 6,400 Employees 50 ICU bedspaces 40 h/week

  22. Example B : Big hospital Calculation room needs: 1290 rooms x 2 kg = 2580 kg/day 1 pyjama per patient included. 1,290 pc garment/day Calculation employees' needs: Trouser + shirt (3 times/week) 6,400 x 0,8 x 3 =15,360 kg/week 6,400 x 2 x 3 = 38,400 pc /week Calculation ICU needs: 50 bedspaces x 4 kg/day = 200 kg/day 1 pyjama per patient included. 50 pc garment/day

  23. Example B : Big hospital Total linen volume: 1,290 rooms x 2 kg = 2,580 kg/day 2,580 kg/day x 7 days = 18,060kg/week 6,400 employees x 0.8 x 3=15,360 kg/week 50 rooms ICU x 4kg/day = 200kg/ day 200kg/ day x 7 days = 1,400kg/week TOTAL: 34,820kg/week / 40h/w = 870kg/h ≈ 900kg/h

  24. Example B : Big hospital Garments: 1 Pyjama per room = 1,290pc /day 1,290pc /day x 7 = 9,030 pc/week Empoyees: Trouser + shirt (3 times/week) 6,400 x 2 x3 = 38,400pc/week ICU: 1 pyjama for the patient. 50 pc garment/day 50 pc garment/day x 7= 350pc/week TOTAL: 47,780pc/week / 40h week = 1195 pcs/h

  25. Example B : Big hospital 900 kg/h Batch washer selection: 900kg/h / 50kg = 18loads/h 60 min =3,600 s 3,600 s / 18 loads = 200 s Washing cycle: HOSPITAL pe: 35min = 2,100 sec 2,100 sec/ 200csec = 10.5 ch = 11 modules Cycle time = 200sec = 3:20 min

  26. Example B : Big hospital 900kg/h Drying and ironing selection Hospital: 70% flatwork, 20% garment, 10% towel 900kg/h x 0,3 = 270 kg/h drying Drying ST-100 = 200kg/h capacity (2 complete cycles) And, also, a dryer to untangle flat linen is required. Then: 3 ST-100 (2+1)

  27. Example B : Big hospital 900 kg/h Drying and ironing selection Hospital: 70% flatwork, 20% garment, 10% towel 900kg/h x 0.7 = 630 kg/h ironing Ironing 630kg/h x 50% residual humidity on linen = 315kg/h (EVAP) EVAPORATION =315 l water/h / 65% machine use THEORETICAL EVAPORATION CAPACITY OF MACHINE= 485 l 1 PSN-8033-2 1 PSN-8033-3

  28. Example B : Big hospital

  29. Example B : Big hospital 900 kg/h Garments 1195 pcs/h FINTE 306-G SELECTION WITH A THEORETICAL CAPACITY OF 1350PCS/H WITH 3 LOADING STATIONS AND SATURNE MEGAMATIC.

  30. Example B : Big hospital Laundry equipment 1- TBS-50/11 B (HYGIEN) 1- SPR-50-L 1- CEDD-11.3 1- CEDD-CTR.3 1- FD-3 3- ST-100-V (options to bedefined) 1- DRM (Manual Feeder) 1- PSN-8033-2 VAP 1- FL-SMART 4V MX2P (2P4V + 2P1V o 1P2V) 1- ROT 1- DRF-3/1V-2V 1- PSN-8033-3VAP 1- FL-SMART 4V UX2P (2P4V + 2P1V) 1- ROT 1- PCH- 63(smallbatches, rejections, …) 1- HS- 6017-E(smallbatches, rejections, …) 1- STI-54 1- STI-23 1 Finte-306+ 3 loading stations 1- Saturne Megamatic + feeding table Towels And, also, equipment for garmentfinishing, plastifying, ...

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