Delhi, India
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In many operations like reaction, extraction and absorption, the transparency of glass is a particular advantage. For such processes a range of column components are available in borosilicate glass which offers many advantages like
In most of glass plants, vessels are used as reactors, receivers, separators and measuring of feed vessels. Vessels are available in spherical shape from 5 to 200 litre and in cylindrical shape from 5 to 300 litre capacity. Cylindrical vessels can be supplied with metal/glass jackets also. All vessels are provided with a bottom outlet for which a suitable valve can be selected from range of valves.
A variety of stirrers and stirrer drives are available to use glass vessels as agitated reaction equipment.
Sight glass is a device used between any kind of non transparent pipelines to observe the flow of liquid. This can be used both in horizontal as well as vertical pipeline. Sight glass is constructed in such a way that it gives a complete view from every angle.
A sight glass consists of one glass pipe section, one metal frame, a pair of PTFE bushes and washers and an acrylic cover. Borosilicate pipe section is highly heat resistant, has excellent chemical resistance and has low thermal expansion. Metal frame is composed of two flanges, which are welded with studs so that the stresses and vibrations of the pipeline do not transfer to the glass pipe section. Its check nut keeps the glass pipe section in compression and provides ease in replacement.
PTFE bushes on both sides of glass pipe section that liquid ensures that liquid in the pipeline does not come in contact with metal frame. PTFE washers are used as gaskets while fitting the sight glass in the pipeline. Acrylic cover covers the glass pipe section and protects it from outer damages.
Sight glass can be supplied with Ms/SS304/SS316 frame with any standard drilling.
This is a general-purpose batch distillation unit to be operated at atmospheric pressure. Heating bath heats and evaporates the contents of the vessel. The vapours are then condensed in the condenser, and are collected in a container or a receiver. The unit is complete with a spherical vessel, drain valve, heating bath, thermometer pocket, liquid inlet, vapour pipeline and a coil condenser. A receiver with drain valve can be added optionally. Refer Selection chart for different options available for heating bath, vessel and receiver. The unit is available in vessel size of 20, 50, 100 and 200 Litre.
The overall heat transfer coefficiency of Borosilicate glass equipment compare favourably with many alternative materials because of its smooth surface which improve the film coefficient and reduce the tendency of fouling. Heat exchangers are avilable in two basic types: coil type and shell & tube type. Shell & tube type heat exchangers are of recent development.
Condenser are use for condensation of vapours and cooling of liquids. Condensers are made by fusing number of parallel in a glass shell . Coils are made in different diameters using tubes of different bores. The average co-efficient of heat transfer in coil condenser is considered as- Condensation 200 - 270 Kcal/m2, hr, C appx. Cooling 100 150 Kcal/m2, hr, C appx.
The coupling used with glass equipment are important from two main points of view :.
In this section we have covered couplings to join glass components together as well as to join glass component with a other metal equipment.
PTFE bellows are available for normal and vacuum applications together with flanges to connect them to glass or non-glass equipment.
STRUCTURE & SUPPORTS
Glass plants are normally supported in a tubular structure formed of glavanised steel tubes. This type of structure is proven robust and flexible over many years.
COMPLETE COUPLINGS
A complete coupling is a set of two backing flanges with insert and nut-bolts. It a complete set of flanges require to make a joint.
