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drying, where trays of vodods. This is one of the hazards in tunnel or tray around for extended perio egetables have to be filled singly and loaded on to trolleys-an operation which can take upwards of half an hour- with the consequent delay in entering the first stage of the dryer. In these circumstances cooling by cold water spray or cold air blast is essential but where conveyor band dryers are used, and a rapid transfer from the blancher to the dryer conveyor can be assured, then cooling can be dispensed with and some thermal advantage gained in the dryer Conveyors used after the drying process do not require to be of stainless construction but again care should be taken to ensure that all Pment of this nature can be easily cleaned as, from this point on, abrasion he dried product and dust will be the major problems. Vibratory conveyors and elevators should always be used where possible with the dry product, as these are much more hygienic and less prone to set up product abrasion than conveyor belts and bucket elevators. The cost of installation is relatively high but the processor is handling an expensive product and he cannot afford to make a lot of fines, by abrading away the finished material, as this by-product has very little commercial value. MISCELLANEOUS AND SPECIALISED PREPARAT。 N PLANT Destoners for root vegetables: Bulk Feeders: Dry Cleaner Ree Where root vegetables are flumed into the plant, stone traps are invariably fitted into the outside washer, which is sunk into a concrete pit to suit the gravity flow of water and vegetables from the flume channels. This rugged type of washer is similar to those used in sugar beet factories The vegetables are elevated into the bulk feeder at the intake end of the production line proper. The bulk feeder, which may have a capacity of5-10 tonnes, according to the required level of throughput, has a slowly moving belt built into the bottom of the bin and this, being set at an upward sloping angle, delivers the produce at a measured rate on to a cross conveyor which transfers the material to the next machine The bulk feeder can, of course, be fed directly by tipping farm tote boxes or stillages by means of a mechanical box tipper, or even manually if the containers are small. The bulk feeder is usually situated at the factory entrance/reception area for raw material Where no prew washing of root vegetables has been effected by fluming, then most root lines have a dry cleaning reel installed immediately downstream of the bulk feeder, and this is a slatted reel rotary drum revolving at a slow speed; this has the effect of removing clods of earth andaround for extended periods. This is one of the hazards in tunnel or tray drying, where trays of vegetables have to be filled singly and loaded on to trolleys - an operation which can take upwards of half an hour - with the consequent delay in entering the first stage of the dryer. In these circumstances cooling by cold water spray or cold air blast is essential but where conveyor band dryers are used, and a rapid transfer from the blancher to the dryer conveyor can be assured, then cooling can be dispensed with and some thermal advantage gained in the dryer. Conveyors used after the drying process do not require to be of stainless construction but again care should be taken to ensure that all equipment of this nature canbe easily cleaned as, from this point on, abrasion of the dried product and dust will be the major problems. Vibratory conveyors and elevators should always be used where possible with the dry product, as these are much more hygienic and less pmne to set up product abrasion than conveyor belts and bucket elevators. The cost of installation is relatively high but the processor is handling an expensive product and he cannot afford to make a lot of ‘fines’, by abrading away the finished material, as this by-product has very little commercial value. MISCELLANEOUS AND SPECIALISED PREPARATION PLANT Destoners for root vegetables: Bulk Feeders: Dry Cleaner Reels Where root vegetables are flumed into the plant, stone traps are invariably fitted into the outside washer, which is sunk into a concrete pit to suit the gravity flow of water and vegetables from the flume channels. This rugged type of washer is similar to those used in sugar beet factories. The vegetables are elevated into the bulk feeder at the intake end of the production line proper. The bulk feeder, which may have a capacity of 5 - 10 tonnes, according to the required level of throughput, has a slowly moving belt built into the bottom of the bin and this, being set at an upward sloping angle, delivers the produce at a measured rate on to a mss conveyor which transfers the material to the next machine. The bulk feeder can, of course, be fed directly by tipping farm tote boxes or stillages by means of a mechanical box tipper, or even manually if the containers are small. The bulk feeder is usually situated at the factory entrance/reception area for raw material. Where no prewashing of root vegetables has been effected by fluming, then most root lines have a dry cleaning reel installed immediately downstream of the bulk feeder, and this is a slatted reel rotary drum revolving at a slow speed; this has the effect of removing clods of earth and 55
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