H.J. Heinz announced an 11 percent rise in first-quarter profits today, after double-digit sales growth in North America and Europe.   For the three months ending July 30, Pittsburgh-based Heinz declared earnings of $229 million (72 cents per share), up from $205.3 million (63 cents per share) in the first quarter last year.   Revenue increased 14.9 percent to $2.58 billion from $2.25 billion during the same period last year.

