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HB Esmech offers Push-Pull, Semi-Continuous and Continuous Pickling Lines.

For over a decade, HB Esmech were the licensees of M/s. PRO-ECO, who are acknowledged as one of the leading suppliers of Push-Pull Pickling Lines in the world. HB Esmech have manufactured about 20 Push-Pull Pickling Lines under the licence from M/s PRO-ECO.

HB Esmech now have an agreement with SMS Demag for Push-Pull Pickling Lines with High End, sophisticated technology.

Push-Pull lines process one coil at a time, thus removing the need for joining strips. This allows tremendous flexibility of operation and ensures ease of operation and maintenance. As there is no need for accumulators in such lines, these lines have very low cost of investment and are very much cost-effective for medium volume of production between 200,000 to 1,000,000 Tons per annum.

Push-Pull Pickling Lines can process strips between 1.0mm to 12.0mm thick and 200mm to 2000mm wide.

For higher rate of production, HB Esmech offers Semi-Continuous and Continuous Pickling Lines. In both these, continuous operation is achieved by welding/stiching. Accumulators are provided at entry and exit to allow continuous operation during the jointing at the uncoiler end and removal of coils at the recoiler end. In continuous lines, the process section runs at a constant speed, while in semi-continuous lines, where the accumulators are small in capacity, the speed of the process section reduces during the coil jointing at the uncoiler and changeover at the recoiler. Such installations are cost-effective due to simplicity of the accumulator designs.

Apart from Low Carbon Steel, HB Esmech offers Pickling Lines for copper and copper-based alloys and commercial grades of Stainless Steel.

With a reference of about 40 pickling lines in operation, HB Esmech is the leading supplier of pickling lines in South Asia.


 
     
 

The important features of HB Esmech Pickling Lines are:

Turbulent Acid Bath :The pickling tanks are shallow tanks made of granite specially contoured to permit fast and trouble free threading. The specially arranged flow of acid in the tanks increases the rate of pickling by causing high turbulence of acid in the tank & thus enabling high speeds with low residence time & hence less length of the pickling tanks.

Lo-Chlor: The special washing systems after the acid treatment are provided to ensure that the strips carry very low chlorides which helps in prolonging the life of the rolling mill coolant in the subsequent cold rolling operation, apart from ensuring longer self-life of pickled coils.

Environment Friendly: HB Esmech process sections feature special sealings of the tanks and an efficient fume exhaust and scrubbing system to ensure no release of acid fumes within the plant and exhaust stack release of less than 10 mg/m3 of free HCl. HB Esmech lines can therefore conform to the most stringent air pollution control norms.

Acid Recirculation System: HB Esmech fully engineers the acid recirculation system to ensure good pickling quality and trouble free performance. All acid recirculation tanks are made from FRVE. All piping carrying acid at temperatures above 80° C. are also made from FRVE/Special grades of P.P. Instrumentation, meters and MMIs are provided in the system for continuous monitoring of the process parameters.

Low Consumptions: HB Esmech engineering ensures maximum utilisation of the acid for pickling and least wastage through effluents, thus resulting into low consumption of acid per ton of production. Efficient recycling of acidic water in the system reduces drastically the consumption of water per ton.

Low Effluents: The waste Pickling Liquor is very rich in iron contents and therefore low in volume. The acidic water effluent is also extremely low.

 Additional Inline Features: Additional features like Edge-Trimming, Skin-Passing, Coating,Cut-To-Length etc. can be incorporated as per the requirements of the customer.

  
   
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