Bottle cleaning device comprising: - a fresh water reservoir being connected with a recycle water reservoir , the recycle water reservoir being connected with a cold water reservoir , the cold water reservoir being connected with a second warm water reservoir , the second warm water reservoir being connected with a first warm water reservoir , the first warm water reservoir being connected with an post-lye reservoir , the post-lye reservoir being connected with a lye bath or with a pre-treatment zone in such a way, respectively, that water from the fresh water reservoir can pass into the recycle water reservoir , from the recycle water reservoir in the cold water reservoir , from the cold water reservoir in the second warm water reservoir , from the second warm water reservoir in the first warm water reservoir , from the first warm water reservoir for refilling or diluting in the post-lye reservoir and from the post-lay reservoir for refilling in the lye bath or the pre-treatment zone , - mixing valve being connected via feed pipes with the first warm water reservoir and the cold water reservoir , and being adapted to mix water being infeed form the first warm water reservoir and the cold water reservoir to mixed water, - a first heat exchanger being adapted to cool the mixed water and at the same time heat a first medium, - a second heat exchanger being adapted to cool the first medium and at the same time heat a second medium, - a third heat exchanger being adapted to cool the second medium and at the same time heat a third medium, - a fourth heat exchanger being adapted to cool the third medium and at the same time heat lye of the lye bath and - a return pipe being adapted to feed the mixed water that has been cooled in the first heat exchanger to the recycle water reservoir . - a fresh water reservoir being connected with a recycle water reservoir , the recycle water reservoir being connected with a cold water reservoir , the cold water reservoir being connected with a second warm water reservoir , the second warm water reservoir being connected with a first warm water reservoir , the first warm water reservoir being connected with an post-lye reservoir , the post-lye reservoir being connected with a lye bath or with a pre-treatment zone in such a way, respectively, that water from the fresh water reservoir can pass into the recycle water reservoir , from the recycle water reservoir in the cold water reservoir , from the cold water reservoir in the second warm water reservoir , from the second warm water reservoir in the first warm water reservoir , from the first warm water reservoir for refilling or diluting in the post-lye reservoir and from the post-lay reservoir for refilling in the lye bath or the pre-treatment zone , - mixing valve being connected via feed pipes with the first warm water reservoir and the cold water reservoir , and being adapted to mix water being infeed form the first warm water reservoir and the cold water reservoir to mixed water, - a first heat exchanger being adapted to cool the mixed water and at the same time heat a first medium, - a second heat exchanger being adapted to cool the first medium and at the same time heat a second medium, - a third heat exchanger being adapted to cool the second medium and at the same time heat a third medium, - a fourth heat exchanger being adapted to cool the third medium and at the same time heat lye of the lye bath and - a return pipe being adapted to feed the mixed water that has been cooled in the first heat exchanger to the recycle water reservoir . <EOS>