Physicochemical Processes in Transportation and Storage of Glass Batch

Manevich, V. E.; Subbotin, K. Yu.; Tokarev, V. D.; Vakhitov, R. V.

doi:10.1023/b:glac.0000020785.91144.9e

Cited by 2 publications

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“…During this period with the mix at temperature below 30°C, as mentioned above, conditions are created for the formation of crystal hydrates in the moistened mix [4], which imparts to the mix properties of a bulk material and intensifies the separation of the mix and degrades its uniformity [5].…”

Section: Optimization Of the Physico-chemical Processes Occuring Durimentioning

confidence: 99%

“…At temperatures 30 -35°C soda crystals Na 2 CO 3 × 7H 2 O are stable forms but the mix remains dry. However, at temperature 35 -40°C the soda absorbs only a small quantity of water, forming Na 2 CO 3 × H 2 O; the mix remains moist and permits the mix components to bond [4,5].…”

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confidence: 99%

“…When mix is transported over such distances, separation of the components occurs, i.e., uniformity is disrupted, moisture content decreases, the mix temperature decreases, and crystal hydrates form under certain conditions [5].…”

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confidence: 99%

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Optimization of the physico-chemical processes occuring during the preparation of glass mix and evaluation of the effect of the mix moisture content on the efficiency of the glass-making process

Litvin¹,

Tokarev²,

Yachevskii³

2010

Glass Ceram

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The physico-chemical processes and individual factors affecting the uniformity of the mix both when the mix components are being mixed in a mixer in a sectional line and when the mix is transported and loaded into a glass-making furnace are analyzed. The effect of moistening on mix quality in obtaining glass mix and transporting and loading the mix into the furnace by means of mix loaders is determined. The temperature factors ensuring that the mix temperature when the mix is loaded into the furnace is no lower than 35 -40°C are determined. The degree to which mix is removed with respect to both quantity and individual components on the loading hopper and regenerators along the glass-making furnace is determined. The direction for further research on optimizing the mix preparation process in order to increase the operational efficiency of a glass-making furnace is proposed on the basis of the results obtained in the present work.

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Section: Optimization Of the Physico-chemical Processes Occuring Durimentioning

confidence: 99%

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Optimization of the physico-chemical processes occuring during the preparation of glass mix and evaluation of the effect of the mix moisture content on the efficiency of the glass-making process

Litvin¹,

Tokarev²,

Yachevskii³

2010

Glass Ceram

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“…In modern plants the length of the transport flows of the batch are negligible and constitute several tens of meters while in other plants, especially old ones producing glass containers and sheet glass these lines are longer than 100 m and reaches 300 -400 m in individual plants. Batch transport over such distances, using conveyer lines with a substantial number of pourings materials results in separation and compaction of the batch, a decrease of its temperature and moisture content, as well as the formation of crystal hydrates in the batch under certain conditions [2].…”

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Design particulars of production lines transporting glass batch

Efremenkov¹

2011

Glass Ceram

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The design particulars of production lines transporting glass batch from compound shops to glassmaking furnaces. Variants of schemes using above-and below-ground galleries are presented. The advantages and disadvantages of different transport-process equipment, affecting the quality of the glass batch, are determined.The final stage of the technological process preparing glass batch is unloading a multicomponent mixture of raw materials from a mixer, after which either the batch is transported into a machine-tank shop and distributed among the loading hoppers of the glassmaking furnace or unloaded into buckets or storage bins, which provide definite process storage (usually for one shift) of the batch. The diversity of equipment used for transporting the batch is determined by the methods used for preparing and measured loading of the batch and cullet into the glass-making furnace, the number of loaders, the construction of the furnace well, the length of the process-flow lines, the relative arrangement of the compound and machine-tank shops, and other factors,The most common elements found in process-flow lines for transporting glass batch in modern compound and machine-tank shops are belt conveyors, elevators, and various mechanisms for changing the flow.Elevator-based flow schemes are most often used in the production of glass containers and make it possible to raise batch rapidly from the level of the unloading hopper of a mixer to the upper level of the hoppers of the furnace loaders, decrease the length of the gallery transport process lines, and decrease the batch transport time, which affects the batch separation and compaction processes.When elevators lift batch directly into the compound shop (Fig. 1) the batch is transported along above-ground (from 8 to 20 m high) heated and unheated galleries and structures, and when the batch is lifted into the machine-tank shop it is transported along below-ground channels and tunnels (Fig. 2).There are a number of advantages to transporting batch below ground as opposed to above ground: the batch is not subjected to daily and seasonal fluctuations of the environmental temperature; additional heating is not required in a below-ground gallery; less equipment is required in the line feeding measured amounts of the plant's own (returned) cullet; the planning of the grounds surrounding the production shops is optimized. The drawbacks are: the cost of wa-

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Physicochemical Processes in Transportation and Storage of Glass Batch

Cited by 2 publications

References 0 publications

Optimization of the physico-chemical processes occuring during the preparation of glass mix and evaluation of the effect of the mix moisture content on the efficiency of the glass-making process

Optimization of the physico-chemical processes occuring during the preparation of glass mix and evaluation of the effect of the mix moisture content on the efficiency of the glass-making process

Design particulars of production lines transporting glass batch

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