How to make full use of steam heat, and how can energy be saved?

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Heat exchangers that use steam generally have valves (such as steam traps or stop valves) and pipelines for draining condensate. However, the hot water that passes through the steam trap is accompanied by a large amount of flash vapor. Is there any good way to make use of this flash vapor along with the hot water? I see that many enterprises have direct discharges; others use recirculated cooling water for cooling purposes and to replenish water used for firefighting and the recirculation system. Some companies have their own boilers, and they can only recycle the hot water to be used for heat exchange in the boiler’s soft water tank or to top up the water level. But all of these methods involve condensing flash steam into water and cooling that water; water is recovered, but electrical energy is wasted along with significant investment in cooling tower equipment. Are there any technologies or equipment in the industry that require relatively low investment while still enabling the effective recovery of this heat? Please, experts, give me some advice! ! !