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Arp Sulphuric Acid Hcl Regeneration Plant 4m3/H

Beijing JJRS Technology Development Co., Ltd.
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Beijing JJRS Technology Development Co., Ltd.

Arp Sulphuric Acid Hcl Regeneration Plant 4m3/H

Country/Region china
Categories Water Treatment
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Product Details

Valued acid regeneration plant 4m3/h (energy electricity) with perfect quality

 

JJRS assembles excellent technology research team, high qualified management personnel, perfect management system and powerful engineering design and complete project capability. As an integrated solution provider, we are willing to provide iron and steel enterprises of all over the world with highest quality products and services, from general engineering contracting, integrated production lines, to single equipment, even components and spare parts.

 

Waste acid from acid pickling unit being collected into waste acid tank shall be sent into preconcentrator by waste acid pump through waste acid filter (volume is automatically adjusted by regulative valve). Waste acid shall be sent to the top of preconcentrator for spraying through preconcentrator circulating pump. They will carry out direct heat exchange with burner gas (400℃) from calcinator, thus partial water will be evaporated and the waste acid solution has been concentrated. Condensed waste acid will be sent to the top of calcinatory by its feeding pump through condensed acid filter, and then enters into calcinatory for spraying by spray lance and nozzle. In calcinatory there are 2 spray guns each with 5 nozzles installed. The spaying gun can be automatically inserted into the calcinatory.


Calcinatory housing is made from steel lined with refractory and acid resistant bricks, two burners are in tangent layout for heating, which dries precondensed acid solution drops from the burners. In the hot area of calcinatory ( from 500℃ to 800℃) , FeCL2 and FeCL3 decompose as the following chemical reaction equations show:

 

 

After hydrochloric-acid pickling hot rolled steel plate can be cold-rolled. When hot rolled steel plates are acid pickling in hydrochloric solution, iron and ferric oxide on surface of hot-rolled steel plate shall be washed away by hydrochloric acid. And then hydrochloric acid shall transform into chloride majored by FeCL2 and dissolve into hydrochloric acid solution. Along with acid pickling proceeding, iron ion density in hydrochloric acid solution will go up, while dissociated HCL density will go down. In order to maintain the density of free HCL in the acid solution, remove the iron ion increased, the waste acid pickling solution will be sent to acid regeneration device to regenerate free acid which shall be returned into acid pickling unit for waste acid reutilization. At the same time, ferric oxide is obtained.
The acid pickling process is expressed as the following chemical reaction equations.
Calcinator material supply flow meter5 sensor
Absorbing tower spraying flow5 sensor
Total flow of primary and secondary absorbing tower5 sensor
Desalted water spraying flow meter5 sensor
Precondensation acid inlet flow meter5 sensor

Part of the equipment

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