Manufacturing method for micro-nano bubble bathtub water and micro-nano bubble bathtub

1. A manufacturing method for micro-nano bubble bathtub water, comprising the steps for:

introducing bathtub water into a lower part of a micro-nano bubble generation section, which is partitioned from a bathtub section with a partition wall but is communicated with the bathtub section via a lower end of the partition wall, and generating a micro-nano bubble by a second micro-nano bubble generator arranged in the lower part of the micro-nano bubble generation section;

throwing the bathtub water containing micro-nano bubble from the lower part to an upper part of the micro-nano bubble generation section, which has a first micro-nano bubble generator and an equipment section covering arranged above the first micro-nano bubble generator;

sucking from a suction tube arranged between the second micro-nano bubble generator and the first micro-nano bubble generator the bathtub water containing micro-nano bubble into the first micro-nano bubble generator thereby micro-nano bubbles smaller in size than micro-nano bubbles generated by the second micro-nano bubble generator so as to generate two kinds of micro-nano bubbles different in size distribution of micro-nano bubbles in the micro-nano bubble generation section; and

introducing the bathtub water containing the two kinds of micro-nano bubbles different in size distribution of micro-nano bubbles generated by the first and second micro-nano bubble generators into a bathtub section from a tip of a hose which is connected to the upper portion of the micro-nano bubble generation section and a vertical position of the tip corresponds to that of the second micro-nano bubble generator and a horizontal position of the tip apart from the second micro-nano bubble generator in the bathtub section.

2. A micro-nano bubble bathtub, comprising:

a bathtub section; and

a micro-nano bubble generation section including an upper part having a first micro-nano bubble generator placed therein and an equipment section covering arranged above the first micro-nano bubble generator and a lower part having a second micro-nano bubble generator placed therein and bathtub water received from the bathtub section flowing from the lower part to the upper part; wherein

the micro-nano bubble generating section comprising:

a partition wall partitioning the micro-nano bubble generation section from the bathtub section and communicating the lower part with the bathtub section via its lower end; and

a suction tube being arranged between the second micro-nano bubble generator and the first micro-nano bubble generator and sucking the bathtub water containing micro-nano bubble generated by the second micro-nano bubble generator and introducing the bathtub water into the first micro-nano bubble generator; wherein

the second micro-nano bubble generator generates micro-nano bubble in the bathtub water received from the bathtub section via the lower end of the partition wall, and

the first micro-nano bubble generator sucks via the suction tube the bathtub water containing micro-nano bubble generated by the second micro-nano bubble generator and generates micro-nano bubbles smaller in size than micro-nano bubbles generated by the second micro-nano bubble generator, and

the micro-nano bubble generation section further including a hose connected to the upper portion and a vertical position of a tip of the hose corresponds to that of the second micro-nano bubble generator and a horizontal position of the tip is apart from the second micro-nano bubble generator in the bathtub section and thereby introducing the bathtub water containing the two kinds of micro-nano bubbles different in size distribution of micro-nano bubbles generated by the first and second micro-nano bubble generators into the bathtub section from the tip of the hose.

3. The micro-nano bubble bathtub according to claim 2 ,

wherein the first micro-nano bubble generator is a micro-nano bubble generator involving high-speed whirling, while

the second micro-nano bubble generator is a micro-nano bubble generator involving rotary stirring.

4. The micro-nano bubble bathtub according to claim 2 , comprising

a hose for introducing bathtub water containing micro-nano bubbles into the bathtub section from the micro-nano bubble generation section,

wherein the first micro-nano bubble generator is a micro-nano bubble generator involving high-speed whirling, while

the second micro-nano bubble generator is a micro-nano bubble generator using a pressure solution pump.

5. The micro-nano bubble bathtub according to claim 2 , comprising

a hose for introducing bathtub water containing micro-nano bubbles into the bathtub section from the micro-nano bubble generation section,

wherein the first micro-nano bubble generator is a micro-nano bubble generator involving high-speed whirling, while

the second micro-nano bubble generator is a micro-nano bubble generator involving pressurization using a compressor.

6. The micro-nano bubble bathtub according to claim 2 , comprising

a hose for introducing bathtub water containing micro-nano bubbles into the bathtub section from the micro-nano bubble generation section,

wherein the first micro-nano bubble generator is a micro-nano bubble generator involving high-speed whirling, while

the second micro-nano bubble generator is a micro-nano bubble generator involving nozzle injection.

7. The micro-nano bubble bathtub according to claim 2 , comprising

a suction tube placed in between the first micro-nano bubble generator and the second micro-nano bubble generator for supplying bathtub water to the first micro-nano bubble generator.

8. The micro-nano bubble bathtub according to claim 2 , comprising:

a shower section;

a water pipe arranged above the second micro-nano bubble generator in the micro-nano bubble generation section for supplying the bathtub water containing the micro-nano bubbles above the second micro-nano bubble generator to the shower section;

a circulating pump connected to the water supply pipe;

an air pipe for supplying air to the first micro-nano bubble generator; and

a shower pipe for introducing the water containing micro-nano bubbles obtained from the water pipe to a shower section.

9. A micro-nano bubble bathtub, comprising:

a bathtub section; and

a micro-nano bubble generation section including an upper part having a first micro-nano bubble generator placed therein and a lower part having a second micro-nano bubble generator placed therein and receiving bathtub water flowing from the lower part to the upper part,

wherein the first micro-nano bubble generator generates micro-nano bubbles smaller in size than micro-nano bubbles generated by the second micro-nano bubble generator, and

wherein bathtub water containing micro-nano bubbles is introduced into the bathtub section from the micro-nano bubble generation section, and

the micro-nano bubble bathtub further comprising:

a surfactant tank;

a surfactant tank pump for pumping a surfactant from the surfactant tank to the bathtub section;

a turbidimeter for detecting turbidity of bathtub water in the bathtub section; and

a control section for controlling operation of the surfactant tank pump based on a turbidity detection signal outputted by the turbidimeter.

10. The micro-nano bubble bathtub according to claim 9 ,

wherein the surfactant is a body soap.

11. The micro-nano bubble bathtub according to claim 2 ,

wherein a carbon dioxide gas generating solid is put in the bathtub section.

12. The micro-nano bubble bathtub according to claim 2 ,

wherein the micro-nano bubble generation section has a string-type polyvinylidene chloride filling placed under the second micro-nano bubble generator in the lower part.

13. The micro-nano bubble bathtub according to claim 2 ,

wherein the micro-nano bubble generation section has a ring-type polyvinylidene chloride filling placed under the second micro-nano bubble generator in the lower part.

14. The micro-nano bubble bathtub according to claim 2 ,

wherein a bath agent is added to the bathtub section.