北方农村,二月下旬至七月中旬,是孵化雏鸡的好季节。现介绍一种农户用的恒温孵化池,一年四季均可孵化。1.孵化池砌筑:见图1、2,按图示找好尺寸,确定孵化池的位置。孵化池的下半部为烟道,墙宽120毫米,孵化池的上半部为池体,墙宽60毫米,池底即烟道的面,预制二块混凝土盖板,盖在烟道上。离炉近处盖双层,离炉远处盖单层。尺 The northern countryside, from late February to mid-July, is a good season for hatching chicks. A temperature-controlled hatching pool for farmers is introduced and can be hatched all year round. 1. Hatching the pool masonry: See Figure 1 and 2. Find the size according to the figure and determine the location of the hatchery. The lower half of the hatching tank is a flue. The width of the wall is 120 mm. The upper half of the hatching tank is a tank body. The width of the wall is 60 mm. The bottom of the tank is the surface of the flue, and two concrete cover plates are prefabricated to cover the flue. The double layer close to the furnace is covered and the single layer is placed away from the furnace. ruler