A novel two-chamber design for thermal boilers is presented in this document. The boiler uses spiral-shaped tubes with conical and flat portions which form a combustion chamber. The use of a direct flame burner causes exhaust gas turbulence and increases the gas pressure in the main chamber. The high-pressure gases, which have lost their kinetic energy due to collision with spirals, leave the main chamber and enter into the secondary chamber, where their energy is used to preheat inlet water. The control of distance between spirals, the reverse flow of exhaust gases in the chambers, and the specific geometry of the spirals maximize boiler efficiency,

A novel two-chamber design for thermal boilers is presented in this document. The boiler uses spiral-shaped tubes with conical and flat portions which form a combustion chamber. The use of a direct flame burner causes exhaust gas turbulence and increases the gas pressure in the main chamber. The high-pressure gases, which have lost their kinetic energy due to collision with spirals, leave the main chamber and enter into the secondary chamber, where their energy is used to preheat inlet water. The control of distance between spirals, the reverse flow of exhaust gases in the chambers, and the specific geometry of the spirals maximize boiler efficiency,

The disclosed apparatus and control system produces a single, on demand, energetic gaseous working fluid from any heat source. Working fluid in a liquid phase is released into a heat exchange tube in the form of very fine droplets or atomized mist, where it is rapidly heated to its gaseous phase. The gaseous working fluid can continue to absorb heat before exiting the heat exchange tube to perform work. The disclosed system controls the release of working fluid into the heat exchange tube and/or the heat energy to which the tube is exposed, resulting in a flow of energetic gaseous working fluid that can be quickly adjusted in response to changing conditions without a large pressure vessel.

The disclosure relates to a water-tube boiler with concentric heat-exchange coils with an ash-removal system, which includes a coil-shaped heat-exchange tube forming a coil with layers having a section concentric with the turns of the coils joined laterally, wherein when the boiler is operational, the heat-exchange tube turns with a rotary movement on the axis of the coil and is heated via a forced-ventilation hot-air intake that flows through the layers having a concentric section in order to generate a movement of the ash and the slag, moving them through the layers having a concentric section following a path, allowing them to be extracted via output collectors.

The disclosure relates to a water-tube boiler with concentric heat-exchange coils with an ash-removal system, which includes a coil-shaped heat-exchange tube forming a coil with layers having a section concentric with the turns of the coils joined laterally, wherein when the boiler is operational, the heat-exchange tube turns with a rotary movement on the axis of the coil and is heated via a forced-ventilation hot-air intake that flows through the layers having a concentric section in order to generate a movement of the ash and the slag, moving them through the layers having a concentric section following a path, allowing them to be extracted via output collectors.

A flash boiler has a water jacket and a vertically oriented interior passage which includes water tubes or superheating tubes, or both. The interior passage is a hyperboloid surface to induce draft. Water tubes and superheating tubes can be staggered so as to create a helical path for flue gas passing through the boiler. Water tubes and superheating tubes may include, internally or externally or both, heat transfer aids such as pins, fins or vanes, which may also be helices.

A flash boiler has a water jacket and a vertically oriented interior passage which includes water tubes or superheating tubes, or both. The interior passage is a hyperboloid surface to induce draft. Water tubes and superheating tubes can be staggered so as to create a helical path for flue gas passing through the boiler. Water tubes and superheating tubes may include, internally or externally or both, heat transfer aids such as pins, fins or vanes, which may also be helices.

A high-pressure instant steam generator is disclosed. The steam generator unit comprises a HP unit, a HP water-band heater, an evaporator, a super heater, and at least a spray gun attachment. The high-pressure unit comprises a main pump for supplying a liquid from a storage tank in case of independent unit. The HP water band heater connected to the HP unit via a needle valve and a first manifold. The evaporator connected to the band heater via a second manifold and a check-valve, configured to convert the liquid into steam at a saturation point. The super heater connected to the evaporator via a check-valve, configured to heat the generated steam to the saturated temperature. The high-pressure steam attachment or spray gun connected to the super heater via a fourth manifold, configured to spray the generated high-pressure steam for sanitizing the surface the surface of the object being treated.

A high-pressure instant steam generator is disclosed. The steam generator unit comprises a HP unit, a HP water-band heater, an evaporator, a super heater, and at least a spray gun attachment. The high-pressure unit comprises a main pump for supplying a liquid from a storage tank in case of independent unit. The HP water band heater connected to the HP unit via a needle valve and a first manifold. The evaporator connected to the band heater via a second manifold and a check-valve, configured to convert the liquid into steam at a saturation point. The super heater connected to the evaporator via a check-valve, configured to heat the generated steam to the saturated temperature. The high-pressure steam attachment or spray gun connected to the super heater via a fourth manifold, configured to spray the generated high-pressure steam for sanitizing the surface the surface of the object being treated.

The present invention provides a portable battery steam cleaner comprising in combination of a hollow main body, in which a water tank, peristaltic pump, control system and lithium battery; the water tank in connection with the input of the peristaltic pump; the output of the peristaltic pump in connection with one end of silicone hose; and the other end of silicone hose in connection with the steam generator. The present invention can continuously transport liquid from the water tank, through the silicone hose, into the steam generator, and thus eject steam continuously for cleaning purposes.