A system for doubling the extraction of thermal energy to generate saturated steam

Abstract

The present invention discloses a system for doubling the extraction of thermal energy to generate saturated steam, which includes an energy storage tank and N single saturated steam generating devices connected to the energy storage tank. The energy storage tank is connected to a water processor; the single saturated steam generating device includes a water-vapor heat recovery and exchange device, a vaporization and pressurization device, a saturated steam generating device, and a heat carrier storage device; the water-vapor heat recovery and exchange device is connected to the energy storage tank; the vaporization and pressurization device includes a commutation device, a heat carrier gas-liquid separation device, and a heat carrier pressurization device; the outlet of the heat carrier storage device is respectively provided with a first circuit, a second circuit, and a third circuit, and is respectively connected to the water-vapor heat recovery and exchange device, the heat carrier gas-liquid separation device, and the heat carrier pressurization device. The present invention can widely utilize the thermal energy in nature or the waste heat, reduce the use of fuel, save energy and reduce emissions, be low-carbon and environmentally friendly, have a high waste heat utilization rate, can be used individually or in combination, and is suitable for generating saturated steam above 110°C.

Description

Technical Field

[0001] The present invention relates to a system for generating saturated steam, and more particularly to a system for multiplying heat energy extraction to generate saturated steam. Background Art

[0002] In the prior art, there are two ways to generate saturated steam. One is to use a boiler to heat water by fuel or other energy sources to generate saturated steam, and the other is to directly heat water by using the waste heat generated to produce saturated steam.

[0003] The disadvantages of using a boiler to generate saturated steam are: (1) Heating water by fuel combustion results in a large carbon footprint, produces harmful gases, and pollutes the environment; (2) Heating water by electrical energy requires a high input power, high energy consumption, and high costs. In the method of directly heating water by waste heat, in the Chinese patent with the publication number CN102901077A and the name of a flue gas waste heat recovery method and a flue gas waste heat recovery system, it uses low-temperature flue gas to first convert water into low-temperature saturated steam, and then uses high-temperature flue gas to generate high-temperature saturated steam. The disadvantages of this method are: (1) It uses the flue gas generated by industry, with a temperature of about several hundred degrees. The flue gas itself has a high temperature and large energy, but there are many forms of low-temperature heat energy in nature, such as solar energy, waste heat discharged from bathrooms, heat energy generated by machine work, discharged steam, low-temperature energy such as temperature-carrying industrial wastewater, etc. These waste heats cannot be reused by the above technologies to generate saturated steam. Summary of the Invention

[0004] To solve the above deficiencies in the prior art, the present invention aims to provide a system for multiplying heat energy extraction to generate saturated steam, so as to achieve the purpose of widely using waste heat in nature, improving the waste heat utilization rate, and saving energy and protecting the environment.

[0005] To achieve the above object, the technical solution adopted by the present invention is as follows:

[0006] A system for multiplying heat energy extraction to generate saturated steam, comprising an energy storage tank for recovering waste heat and N single-body saturated steam generating devices connected to the energy storage tank, where N≥1 and is an integer;

[0007] The energy storage tank is connected to a water processor, and a pipeline for introducing heat is provided in the energy storage tank. This pipeline is connected to a recoverable heat source for heating water;

[0008] Each single-body saturated steam generating device includes a water-vapor heat recovery exchange device for enabling a heat carrier to extract heat from the energy storage tank, a vaporization and pressurization device for vaporizing and pressurizing the heat carrier, a saturated steam generating device for generating saturated steam, and a heat carrier storage device, which are connected in sequence through pipelines; the inlet of the water-vapor heat recovery exchange device is connected to the energy storage tank;

[0009] The vaporization and pressurization device includes a commutation device with four commutation ports, a heat carrier gas-liquid separation device, and a heat carrier pressurization device. Among them, the first commutation port of the commutation device is connected to the outlet of the water-vapor heat recovery and exchange device, the inlet of the heat carrier gas-liquid separation device is connected to the second commutation port of the commutation device, its outlet is connected to the inlet of the heat carrier pressurization device, the outlet of the heat carrier pressurization device is connected to the third commutation port of the commutation device, and the fourth commutation port of the commutation device is connected to the saturated steam generation device. The commutation device enables the heat carrier in the water-vapor heat recovery and exchange device to flow unidirectionally through the heat carrier gas-liquid separation device, the heat carrier pressurization device, and the saturated steam generation device in sequence.

[0010] The outlets of the heat carrier storage device are respectively provided with a first circuit, a second circuit, and a third circuit. The first circuit is connected to the water-vapor heat recovery and exchange device through a pipeline, the second circuit is connected to the heat carrier gas-liquid separation device through a pipeline, and the third circuit is connected to the heat carrier pressurization device through a pipeline. Among them, mechanical drying and filtering devices and flow throttling devices are provided on the first circuit, the second circuit, and the third circuit.

[0011] The water-vapor heat recovery and exchange device is provided with a cavity for storing heated water, and a pipeline for introducing the heat carrier is arranged in the cavity.

[0012] As a limitation of the present invention, the first circuit and the second circuit on the heat carrier storage device are both connected to the steam-steam heat recovery and exchange device, and the steam-steam heat recovery and exchange device is connected to the heat carrier storage device. Among them, the mechanical drying and filtering device and the flow throttling device on the second circuit are separately connected to the steam-steam heat recovery and exchange device to form a cycle, so that the heat carrier after throttling and cooling is neutralized with the heat carrier flowing directly out of the heat carrier storage device, and then flows to the water-vapor heat exchange device and the heat carrier water-vapor separation device respectively.

[0013] As another limitation of the present invention, the saturated steam generation device includes a saturated steam generation tank and a heat energy release and exchange device arranged in the saturated steam generation tank; the heat energy release and exchange device includes a multi-layer fixed support arranged in the saturated steam generation tank and a heat exchange tube spirally arranged on the fixed support for introducing the heat carrier; the inlet of the heat exchange tube is connected to the fourth valve port of the commutation device, and the outlet is connected to the heat carrier storage device.

[0014] As a limitation of the present invention, the middle of the fixed support is a sleeve, and support rods are divergently fixed on the outer wall of the sleeve.

[0015] As a further limitation of the present invention, the saturated steam generation tank includes a vortex tube outlet for discharging steam.

[0016] As a further further limitation of the present invention, a bubble-breaking mesh belt is fixedly arranged in the saturated steam generation tank, and the bubble-breaking mesh belt is arranged above the heat energy release and exchange device.

[0017] As the second limitation of the present invention, a circulation pump is provided on the water vapor heat recovery and exchange device, and the circulation pump is connected to the energy storage tank, so that the cooled water in the water vapor heat recovery and exchange device enters the energy storage tank for circulation.

[0018] As a limitation of the present invention, the energy storage tank is connected to the saturated steam generation tank.

[0019] As the third limitation of the present invention, the commutation device is a two-position four-way solenoid valve.

[0020] Due to the adoption of the above technical solutions, compared with the prior art, the beneficial effects achieved by the present invention are as follows:

[0021] (1) The present invention can widely utilize energies such as solar thermal energy, hydrothermal energy in nature, and high-temperature or low-temperature waste heat in industry or life. Through heat exchange with the heat carrier, water in the saturated steam generation tank can generate saturated steam above 110°C to supply production and life. By using waste heat around 50°C, saturated steam above 110°C can be generated, and energy conversion of 2 - 6 times can be achieved, greatly improving the waste heat utilization rate; compared with the traditional method of generating saturated steam by fuel combustion heating boilers, energy can be saved by more than 40%, and the energy-saving effect is obvious; and there is no emission of waste gas, waste water, and waste residue during the whole process, greatly reducing the carbon emission and being more environmentally friendly; the heat carrier absorbs heat in the water vapor heat recovery device and becomes a low-temperature and low-pressure liquid state. The vaporized gas is transported to the heat carrier pressurization device through the heat carrier gas-liquid separation device, and the gas is changed into a high-temperature and high-pressure liquid and transported to the saturated steam generation device to generate saturated steam. The temperature of the heat carrier increases several times, greatly improving the steam generation efficiency;

[0022] (2) The heat carrier in the water vapor heat recovery and exchange device of the present invention needs to absorb heat from the water. Therefore, the heat carrier in the first loop needs to be cooled significantly. The conversion of gas to liquid in the heat carrier gas-liquid separation device requires heat absorption. Therefore, heat needs to be supplemented in the second loop; the flow throttling valve in the third loop is first used to neutralize and cool the heat carrier directly input from the heat carrier storage device, and then cooled by the cooling device in the first loop. Double cooling is achieved, and no more external cooling equipment is required, achieving an energy-saving effect; at the same time, after the second loop is cooled and neutralized with the heat carrier, the temperature will not drop too much, and it can also play the role of supplementing heat energy for the heat carrier gas-liquid separation device;

[0023] (3) The heat exchange tube for circulating the heat carrier in the present invention is spirally arranged on the fixed support, greatly extending the path of the heat carrier circulation and making full use of the heat of the heat carrier;

[0024] (4) In the present invention, a vortex tube is provided at the outlet of the saturated steam generating tank, and the vortex tube extends deep into the interior of the saturated steam generating tank. Since the upper part of the saturated steam generating tank condenses and absorbs heat, the heat in this part is lower than the heat inside, which can ensure the temperature of the discharged saturated steam. At the same time, the diameter of the vortex tube is small, which can generate a large pressure and increase the pressure during the discharge process to ensure that the discharged energy will not be lost;

[0025] (5) The bubble-breaking mesh belt of the present invention can break the boiling bubbles and play a role in deoxidation.

[0026] In summary, the present invention can widely utilize the heat energy in nature or waste heat, reduce the use of fuel, save energy and reduce emissions, be low-carbon and environmentally friendly, have a high waste heat utilization rate, can be used individually or in combination, and is applicable to generating saturated steam above 110°C. Brief Description of the Drawings

[0027] The following further describes the present invention in detail with reference to the drawings and specific embodiments.

[0028] Figure 1 It is a schematic structural diagram of the whole of the embodiment of the present invention;

[0029] Figure 2 It is a schematic top view structure diagram of the heat exchange tube and the fixed support arranged in the embodiment of the present invention.

[0030] In the figure: 1. Energy storage tank; 11 - Water flow switch; 2. Water processor; 3. Water-vapor heat recovery and exchange device; 31. Circulation pump; 4. Two-position four-way solenoid valve; 5. Heat carrier gas-liquid separation device; 6. Heat carrier pressurization device; 7. Saturated steam generating tank; 71. Vortex tube; 72. Liquid level tube; 73. Bubble-breaking mesh belt; 74. Thermal insulation layer; 8. Heat energy release and exchange device; 81. Fixed support; 82. Heat exchange tube; 83. Vertical rod; 9. Heat carrier storage device; 91. Steam-steam heat recovery and exchange device; 10. Mechanical drying and filtering device; K1. Water flow sensor; K2. Temperature sensor; K3. Pressure sensor; K4. Suction temperature sensor; K5. Exhaust temperature sensor; K6. Flow throttling device. Detailed Embodiments

[0031] The following describes the preferred embodiments of the present invention with reference to the drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and understand the present invention, and are not used to limit the present invention.

[0032] Embodiment An energy-doubling heat energy extraction system for generating saturated steam

[0033] As Figure 1As shown in the figure, this embodiment includes an energy storage tank 1 for recovering waste heat and N single-body saturated steam generating devices connected to the energy storage tank 1, where N≥1 and is an integer. That is, the number of single-body saturated steam generating devices can be selected according to the usage scale. In this embodiment, N = 1. When N>1, multiple pipelines are arranged on the energy storage tank 1 and are respectively connected to the single-body saturated steam generating devices.

[0034] The energy storage tank 1 is connected to a water processor 2 for introducing water into the energy storage tank 1. A pipeline for introducing heat is provided in the energy storage tank 1, and this pipeline is connected to a recoverable heat source. The recoverable heat source can be the waste heat in flue gas, the waste heat in wastewater, the waste heat in air, the heat of solar energy, the waste heat of steam in the bathroom, etc. The recoverable heat source is used to heat the water in the energy storage tank 1 to increase the water temperature. A water flow sensor K1 and a water flow switch 11 are provided on the pipeline connecting the energy storage tank 1 and the single-body saturated steam generating device for controlling the water flow and detecting the water temperature.

[0035] The single-body saturated steam generating device includes a water-vapor heat recovery exchange device 3, a vaporization and pressurization device, a saturated steam generating device, and a heat carrier storage device 9 connected in sequence through pipelines. The water-vapor heat recovery exchange device 3 is used to enable the heat carrier to absorb the heat in the energy storage tank 1. The vaporization and pressurization device is used to pressurize the heat carrier. The saturated steam generating device is used to generate saturated steam. The heat carrier storage device 9 is used to recover the heat carrier after releasing heat energy. The heat carrier in this embodiment can be alcohols with relatively fast gas-liquid conversion. Figure 1 The dotted part in the figure is the flowing direction of the heat carrier.

[0036] I. Water-vapor heat recovery exchange device 3

[0037] The water-vapor heat recovery exchange device 3 is provided with a cavity for storing the heated water, and a pipeline for introducing the heat carrier is provided in the cavity. The water-vapor heat recovery exchange device 3 is provided with two inlets, one drain outlet, and one outlet. Among them, one inlet is connected to the energy storage tank 1 to enable the water heated by the recoverable heat source in the energy storage tank 1 to enter the water-vapor heat recovery exchange device 3. The other inlet is used to introduce the heat carrier. The temperature of the heat carrier is relatively low and exchanges heat with the relatively high-temperature water to enable the heat carrier to absorb heat and is discharged from the outlet and enters the vaporization and pressurization device. A circulation pump 31 is provided on the drain outlet of the water-vapor heat recovery exchange device 3, and the circulation pump 31 is connected to the energy storage tank 1 to enable the water cooled in the water-vapor heat recovery exchange device 3 to enter the energy storage tank 1 for recycling. A temperature sensor K2 is provided on the water-vapor heat recovery exchange device 3.

[0038] II. Vaporization and pressurization device

[0039] The vaporization and pressurization device includes a commutation device with four commutation ports, a heat carrier gas-liquid separation device 5, and a heat carrier pressurization device 6. A suction temperature sensor K4 and an exhaust temperature sensor K5 are provided on the heat carrier pressurization device 6. The commutation device in this embodiment uses a two-position four-way solenoid valve 4, and the two-position four-way solenoid valve 4 has four commutation ports. Among them, the first commutation port is connected to the outlet of the water-vapor heat recovery exchange device 3 through a pipeline, and a pressure sensor K3 is provided on this pipeline; the second commutation port is connected to the inlet of the heat carrier gas-liquid separation device 5 through a pipeline, the outlet of the heat carrier gas-liquid separation device 5 is connected to the inlet of the heat carrier pressurization device 6 through a pipeline, the outlet of the heat carrier pressurization device 6 is connected to the third commutation port of the two-position four-way solenoid valve 4, and the fourth commutation port of the two-position four-way solenoid valve 4 is connected to the saturated steam generating device. The two-position four-way solenoid valve 4 enables the heat carrier in the water-vapor heat recovery exchange device 3 to flow unidirectionally through the heat carrier gas-liquid separation device 5, the heat carrier pressurization device 6, and the saturated steam generating device in sequence, preventing reverse flow. At the same time, after the heat carrier passes through the heat carrier gas-liquid separation device 5, the gas and liquid are separated, and the gas is led to the heat carrier pressurization device 6 for pressurization, ensuring that there is no liquid hammer and no liquid passing during the pressurization of the heat carrier pressurization device 6, with higher safety. The pressurized heat carrier gas enters the saturated steam generating device through the two-position four-way solenoid valve 4. In this process, the low-temperature and low-pressure heat carrier is changed into a high-temperature and high-pressure heat carrier, greatly improving the thermal efficiency, so that even the waste heat with a relatively low temperature can be utilized, and the generation of saturated steam greatly improves the utilization rate.

[0040] III. Saturated Steam Generating Device

[0041] The saturated steam generating device includes a saturated steam generating tank 7 and a heat energy release and exchange device 8 provided in the saturated steam generating tank 7. The saturated steam generating tank 7 is filled with water for generating saturated steam. The heat energy release and exchange device 8 is used to introduce the pressurized high-temperature and high-pressure heat carrier, which can release heat to make the water absorb heat to generate saturated steam above 110°C.

[0042] (I) Saturated Steam Generating Tank 7

[0043] The saturated steam generating tank 7 is filled with water. Above the saturated steam generating tank 7, there is an outlet of a vortex tube 71 for discharging steam, and one end of the vortex tube 71 extends to a position near the water surface in the saturated steam generating tank 7. Since the steam above the saturated steam will condense, the temperature of the steam above is lower than that of the steam below. Setting the port of the vortex tube 71 at a lower position is beneficial to increasing the temperature of the saturated steam. At the same time, the diameter of the vortex tube 71 is small, which can play a pressurizing effect during the exhaust process. Inside the saturated steam generating tank 7, a bubble-breaking mesh belt 73 is fixedly installed. The bubble-breaking mesh belt 73 is arranged above the heat energy release and exchange device 8 to break the cavitation bubbles generated when the broken water boils, playing a deoxidation role. On the saturated steam generating tank 7, there is a liquid level tube 72 for checking the internal water level. Inside, there is a temperature sensor K2 for monitoring the temperature, and at the bottom, there are a sewage outlet and a drain outlet. At the middle position of the saturated steam generating tank 7, there is a liquid level tube 72 to prevent the water level from being too high. Above the liquid level tube 72, there is an alarm device, which gives an alarm when the temperature in the saturated steam generating tank 7 is too high. Above the saturated steam generating tank 7, there is a pressure relief port to prevent the internal pressure from being too high. Outside the saturated steam generating tank 7, there is a heat insulation layer 74 for heat preservation. The energy storage tank 1 is connected to the saturated steam generating tank 7 for supplying water to the saturated steam generating tank 7.

[0044] (2) Heat energy release and exchange device 8

[0045] As Figure 2 shown, the heat energy release and exchange device 8 includes multiple layers of fixed supports 81 arranged in the saturated steam generating tank 7 and heat exchange tubes 82 spirally arranged on the fixed supports 81 for passing a heat carrier. The inlet of the heat exchange tube 82 is connected to the fourth valve port of the two-position four-way solenoid valve 4, and the outlet is connected to the heat carrier storage device 9. In the middle of the fixed support 81 of this embodiment is a sleeve. On the outer wall of the sleeve, support rods are divergently fixedly installed, and on the support rods, there are grooves for embedding the heat exchange tubes 82. The multiple layers of fixed supports 81 are vertically arranged together to tightly press the upper and lower parts of the heat exchange tubes 82. When fixing in the saturated steam generating tank 7, the sleeve is fixed on a vertical rod 83, and the vertical rod 83 is fixed at the bottom of the saturated steam generating tank 7.

[0046] IV. Heat carrier storage device 9

[0047] There are three loops at the outlet of the heat carrier storage device 9, namely the first loop, the second loop and the third loop. The first loop is connected to the water-vapor heat recovery and exchange device 3 through a pipeline, which is used to recycle the heat carrier, and re-introduce the heat carrier after releasing heat energy into the water-vapor heat recovery and exchange device 3 to absorb heat. Therefore, in order to ensure the efficiency of heat absorption, it is necessary to exchange the heat of the low-temperature heat carrier with water. The second loop is connected to the heat carrier gas-liquid separation device 5 through a pipeline. Since the heat carrier in the heat carrier gas-liquid separation device 5 changes from liquid to gas and needs to absorb heat, in order to improve the vaporization effect, a certain amount of heat needs to be supplemented. The heat carrier after releasing heat still has a certain temperature and can provide heat for the heat carrier water-vapor heat recovery device, eliminating other heat supplement devices. The third loop is connected to the heat carrier pressurization device 6 through a pipeline. Since the heat carrier will release energy during the pressurization process, and the released energy generates a temperature difference with the heat of the compressed heat carrier, latent heat is generated in the heat carrier pressurization device 6. In order to ensure thermal balance, it is necessary to replenish liquid inside to reduce the falsely high temperature. The temperature of the heat carrier after releasing heat is lower than that of the heat carrier after pressurization. Therefore, using the heat carrier after releasing energy to cool down can reduce the use of other cooling devices. Among them, mechanical drying and filtering devices 10 and flow throttling devices K6 are provided on the first loop, the second loop and the third loop.

[0048] A pipeline is connected to the heat carrier storage device 9, and a tee is provided on this pipeline. One outlet of the tee is connected to the third loop, and the other outlet is connected to a steam-steam heat recovery and exchange device 91. The mechanical drying and filtering device 10 and the flow throttling device K6 on the third loop are used to cool down the heat carrier. An exhaust gas temperature sensor K5 and a pressure sensor K3 are provided on this loop. Both the first loop and the second loop are connected to the steam-steam heat recovery and exchange device 91. Among them, the mechanical drying and filtering device 10 and the flow throttling device K6 on the second loop are separately connected to the steam-steam heat recovery and exchange device 91 to form a cycle. That is, the outlet of the flow throttling device K6 is connected to the steam-steam heat recovery and exchange device 91. A part of the heat carrier in the steam-steam heat recovery and exchange device 91 has its temperature reduced after passing through the flow throttling device K6, and is neutralized with the heat carrier that has not passed through the flow throttling device K6 in the third loop. After the temperature is neutralized, a part of the heat carrier enters the first loop and leads to the water-vapor heat recovery and exchange device 3, and the other part enters the second loop and leads to the heat carrier gas-liquid separation device 5. The mechanical drying and filtering device 10 and the flow throttling device K6 in the second loop are provided on the pipeline branched out from the steam-steam heat recovery and exchange device 91.

[0049] When preparing saturated steam using the monomer saturated steam generation device of this embodiment, water is added to the energy storage tank 1 through the water processor 2, and the recoverable heat source leads to the energy storage tank 1 to heat the water in the energy storage tank 1 and raise the water temperature. The heated water enters the water-vapor heat recovery exchange device 3 through the water flow switch 11. In the water-vapor heat recovery exchange device 3, the heat carrier absorbs the heat of the heated water, turning the heat carrier into a low-temperature and low-pressure heat carrier. The water that releases heat energy enters the energy storage tank 1 through the circulation pump 31 for circulation. The heat carrier after absorbing heat enters the heat carrier gas-liquid separation device 5 through the first reversing port of the two-position four-way solenoid valve 4. In this device, the heat carrier vaporizes, forming two states of gas and liquid. Among them, the gas enters the heat carrier pressurization device 6 for pressurization. The pressurized heat carrier becomes a high-temperature and high-pressure liquid, enters the valve body through the third reversing port of the two-position four-way solenoid valve 4, flows to the inlet of the heat exchange tube 82 in the heat energy release exchange device 8, and is discharged from the outlet of the heat exchange tube 82 and enters the heat carrier storage device 9. The high-temperature and high-pressure heat carrier releases heat energy in the heat exchange tube 82, heating the water in the saturated steam generation tank 7, causing the water to absorb heat and change from liquid water to gaseous steam above 110 °C. When the steam reaches a certain amount, the pressure in the saturated steam generation tank 7 increases, making the steam become saturated steam, which is discharged from the outlet of the vortex tube 71. The heat carrier after releasing heat energy continues the circulation process through the first circuit, the second circuit, and the third circuit. Among them, the first circuit replenishes the low-temperature heat carrier for the water-vapor heat recovery exchange device 3 to make the entire heat absorption and heat release process circulate. There is a temperature sensor K2 on the water-vapor heat recovery exchange device 3, and the flow throttling device K6 on this circuit controls the input of the heat carrier in this circuit according to the feedback of the temperature sensor K2 on the steam heat recovery exchange device 3. There is a temperature sensor K2 on the water-vapor heat recovery exchange device 3; the second circuit replenishes the temperature for the heat absorption process of the heat carrier changing from liquid to gas in the heat carrier gas-liquid separation device 5 to accelerate the vaporization of the heat carrier; the third circuit cools the heat carrier pressurization device 6 to ensure the heat balance in the pressurization device. The suction temperature sensor K4 is used to regulate the input of the gas in the heat carrier gas-liquid separation device 5, and the exhaust temperature sensor K5 is used to regulate the input of the heat carrier for cooling in the third circuit.

[0050] It should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A system for multiplying and extracting heat energy to generate saturated steam, characterized in that: It includes an energy storage tank for recovering waste heat and N single - body saturated steam generating devices connected to the energy storage tank, where N≥1 and N is an integer; The energy storage tank is connected to a water processor. A pipeline for introducing heat is provided in the energy storage tank, and this pipeline is connected to a recoverable heat source for heating water; The single - body saturated steam generating device includes a water - vapor heat recovery exchange device for allowing a heat - carrying agent to absorb heat from the energy storage tank, a vaporization and pressurization device for vaporizing and pressurizing the heat - carrying agent, a saturated steam generating device for generating saturated steam, and a heat - carrying agent storage device, which are connected in sequence through pipelines. The inlet of the water - vapor heat recovery exchange device is connected to the energy storage tank; The vaporization and pressurization device includes a commutation device with four commutation ports, a heat - carrying agent gas - liquid separation device, and a heat - carrying agent pressurization device. Among them, the first commutation port of the commutation device is connected to the outlet of the water - vapor heat recovery exchange device, the inlet of the heat - carrying agent gas - liquid separation device is connected to the second commutation port of the commutation device, its outlet is connected to the inlet of the heat - carrying agent pressurization device, the outlet of the heat - carrying agent pressurization device is connected to the third commutation port of the commutation device, and the fourth commutation port of the commutation device is connected to the saturated steam generating device. The commutation device enables the heat - carrying agent in the water - vapor heat recovery exchange device to flow unidirectionally through the heat - carrying agent gas - liquid separation device, the heat - carrying agent pressurization device, and the saturated steam generating device in sequence; The outlet of the heat - carrying agent storage device is respectively provided with a first circuit, a second circuit, and a third circuit. The first circuit is connected to the water - vapor heat recovery exchange device through a pipeline, the second circuit is connected to the heat - carrying agent gas - liquid separation device through a pipeline, and the third circuit is connected to the heat - carrying agent pressurization device through a pipeline. Among them, mechanical drying and filtering devices and flow throttling devices are provided on the first circuit, the second circuit, and the third circuit; The water - vapor heat recovery exchange device is provided with a cavity for storing heated water. A pipeline for introducing the heat - carrying agent is provided in the cavity, and a temperature sensor is provided on the water - vapor heat recovery exchange device; The saturated steam generating device includes a saturated steam generating tank and a heat energy release and exchange device provided in the saturated steam generating tank. The heat energy release and exchange device includes multiple layers of fixed supports provided in the saturated steam generating tank and heat exchange tubes spirally arranged on the fixed supports for introducing the heat - carrying agent. The inlet of the heat exchange tube is connected to the fourth valve port of the commutation device, and the outlet is connected to the heat - carrying agent storage device. The middle of the fixed support is a sleeve, and support rods are divergently fixed on the outer wall of the sleeve; 2. The system for generating saturated steam by multiplying and extracting heat energy according to claim 1, wherein: Both the first circuit and the second circuit on the heat - carrying agent storage device are connected to a steam - steam heat recovery exchange device, and the steam - steam heat recovery exchange device is connected to the heat - carrying agent storage device. Among them, the mechanical drying and filtering device and the flow throttling device on the second circuit are separately connected to the steam - steam heat recovery exchange device to form a cycle, so that the heat - carrying agent after throttling and cooling is temperature - neutralized with the heat - carrying agent flowing directly out of the heat - carrying agent storage device, and then they flow to the water - vapor heat exchange device and the heat - carrying agent water - vapor separation device respectively; 3. A system for generating saturated steam by multiplying and extracting heat energy according to claim 1 or 2, characterized in that: The saturated steam generating tank includes a vortex tube outlet for discharging steam; 4. A system for doubling the extraction of thermal energy to generate saturated steam according to claim 3, characterized in that: A bubble - breaking mesh belt is fixed in the saturated steam generating tank, and the bubble - breaking mesh belt is provided above the heat energy release and exchange device; 5. A system for generating saturated steam by multiplying and extracting thermal energy according to any one of claims 1, 2, and 4, characterized in that: A circulation pump is provided on the water vapor heat recovery and exchange device, and the circulation pump is connected to the energy storage tank, so that the cooled water in the water vapor heat recovery and exchange device enters the energy storage tank for circulation.

6. The system for generating saturated steam by multiplying heat energy extraction according to claim 5, characterized in that: The energy storage tank is connected to the saturated steam generation tank.

7. A system for generating saturated steam by multiplying and extracting thermal energy according to any one of claims 1, 2, 4, and 6, characterized in that: The commutation device is a two-position four-way solenoid valve.

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