Good advice, but for those venues I'd recommend selling a few valuable possessions to fund the beer purchases. Compared to such fine Derby Hostelries such as The Brunswick they are eye wateringly expensive. The above route also means you could take in the more modestly priced North Laine and...
There are very few 'home only' pubs near the station. Recommendations would be Battle of Trafalgar, Prince Albert, Lord Nelson, Evening Star, Sussex Yeoman (which will be quiet as it's more a gastro pub). Which ever route you take from the Grand to the station will take you past a whole load of...