\begin{center}
    \begin{tikzpicture}
        \draw[step = 0.5cm, gray, very thin] (-7.25, -2.25) grid (7.25, 0.25);

        \node[drier, /drier = oven] (A) at (-6.0, -1.0) {};
        \node[anchor = south] at (-6.0, 0.25) {\textbf{oven}};

        \node[drier, /drier = turbo] (A) at (-3.5, -1.0) {};
        \node[anchor = south] at (-3.5, 0.25) {\textbf{turbo}};

        \node[drier, /drier = fluidized] (A) at (-1.0, -1.0) {};
        \node[anchor = south] at (-1.0, 0.25) {\textbf{fluidized}};

        \node[drier, /drier = spray] (A) at (1.0, -1.0) {};
        \node[anchor = south] at (1.0, 0.20) {\textbf{spray}};

        \node[drier, /drier = belt] (A) at (3.5, -1.0) {};
        \node[anchor = south] at (3.5, 0.25) {\textbf{belt}};

        \node[drier, /drier = rotary] (A) at (6.0, -1.0) {};
        \node[anchor = south] at (6.0, 0.20) {\textbf{rotary}};

    \end{tikzpicture}
\end{center}