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Content available remote Design and analysis of salt collector
EN
Purpose: Salt is one of the important cooking ingredients used in our daily life. Tamil Nadu is the second largest producer of salt in India, next only to Gujarat. The salt is collected manually by the labours. Since, there was no equipment to collect the salt from the Salt Pan. The paper describes the design and analysis of the salt collecting equipment. The salt from the Salt Pan which consists of salt water can be removed by this equipment. The wooden plate which is present in the equipment will collect the salt and pushes them to both the sides of the Salt Pan. The hand wheel can be used to move the equipment to front and back motion. Another hand wheel is operated to move the wooden plate to the left and right corner which covers all the places of the Salt Pan. This equipment can be modified and reduced to suitable size as per the length of the Salt Pan varies. In the manufacturing process, the suitable length of the pipe is to be selected for the required length. Design/methodology/approach: Thus, it will reduce the time and also the number of labours in the Salt Pan can be reduced. Salt Evaporation Ponds, also called Salterns or Salt Pans, are shallow artificial ponds designed to extract salts from sea water or other brines. The seawater or brine is fed into large ponds and water is drawn out through natural evaporation which allows the salt to be subsequently harvested. The ponds also provide a productive resting and feeding ground for many species of water birds, which may include endangered species. The ponds are commonly separated by levees. The salt collecting technique is a tedious process in which the salt collected by the labours is done by means of hands, in case we are going to replace the manual collecting method into machine collecting that is the separation of salt from the salt water in the Salt Pan. Findings: The labours needed for the salt preparation process are very less in number. By implementing this idea we can greatly reduces the time and the number of labours involved in the Salt Pan. Salt has a very high corrosion effect. It can damage to the human skins. High intensity reflection of sunlight from salt and saline cause eye problems. The damage can be easily rectified by this method. Practical implications: And, hence the overall salt production efficiency can be increased. The salt collector will replace the old salt collecting method and serves as the useful equipment to the workers in the Salt Pan. Originality/value: In Future, it can be made automatically by using motor and overall process can also be made by FRP which has high corrosion resistance.
2
Content available remote Konstrukcja szczeliny lutowniczej a zjawiska korozji
PL
W procesach lutowania i lutospawania ważną rolę odgrywają czynniki konstrukcyjne i technologiczne. Istotne znaczenie dla konstrukcji i wytrzymałości złącza jest odpowiedni kształt oraz szerokość szczeliny. Przez dobór szerokości szczeliny można wpłynąć na wytrzymałość złączy oraz ich podatność na wystąpienie korozji. Przedstawiono przykłady zróżnicowanej konstrukcji złączy, a także skutki nieprawidłowego przygotowania krawędzi łączonych rur. Zamieszczono następujące przykłady złączy: z sanitarnej instalacji miedzianej znajdującej się we Wrocławiu (od 1920 r.), konstrukcji stalowych grzejników łazienkowych i instalacji wykonanej ze stalowych rur ocynkowanych.
EN
In soldering and braze welding processes constructional and technological factors play an important role. Proper shape and width of the clearance is essential for construction and resistance of the joints. Modification of clearance width can influence on joint resistance and susceptibility to corrosion. Examples of different joint construction and effects of incorrect pipes edges preparatiion are presented. The following examples are presented: joints in Wrocław copper sanitary system (since 1920), joints in structure of bathroom steel heaters and joints in systems made from galvanizing steel pipes.
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