CN-121993776-A - Recovery system of solar biomass energy

CN121993776ACN 121993776 ACN121993776 ACN 121993776ACN-121993776-A

Abstract

The application discloses a recovery system of solar biomass energy, which relates to the technical field of new energy and energy conservation and comprises a production module, a processing module and a waste heat recovery module, wherein the production module is respectively connected with the processing module and the waste heat recovery module. The system comprises a production module, a processing module and a waste heat recovery module, wherein the production module is used for receiving biomass energy and converting the biomass energy into heat energy to be output to energy utilization equipment, the production module is also used for generating heat energy emission in the process of converting the biomass energy into heat energy, the processing module is used for receiving solar energy and preprocessing the heat energy emission by utilizing the solar energy to generate preprocessed heat energy emission, and the waste heat recovery module is also used for receiving the preprocessed heat energy emission and converting the preprocessed heat energy emission into energy for utilization. The biomass energy and the solar energy are combined, and the maximum recovery and utilization of the energy are realized through the module design and the cooperative utilization.

Inventors

WANG FAN
Yan Zuanhong
Du Gaibi
YU HAI
WANG SHUAI
GUO LIDONG

Assignees

中石油深圳新能源研究院有限公司
中国石油天然气股份有限公司

Dates

Publication Date: 20260508
Application Date: 20241105

Claims (10)

1. The system is characterized by comprising a production module, a treatment module and a waste heat recovery module; The production module is respectively connected with the processing module and the waste heat recovery module; The production module is used for receiving biomass energy, converting the biomass energy into heat energy and outputting the heat energy to the energy utilization equipment; The production module is further used for generating heat energy emission in the process of converting the biomass energy into heat energy; The processing module is used for receiving solar energy and preprocessing the heat energy emission by utilizing the solar energy to generate preprocessed heat energy emission; the waste heat recovery module is also used for receiving the pretreated heat energy emission, and converting the heat energy emission into energy for utilization.
2. The solar biomass energy recovery system according to claim 1, wherein the waste heat recovery module comprises a steam rankine cycle submodule and an organic rankine cycle submodule; the steam Rankine cycle submodule is respectively connected with the production module and the organic Rankine cycle submodule; The steam Rankine cycle submodule is used for generating water steam by utilizing primary waste heat of the pretreated heat energy emission, generating power by utilizing the water steam and outputting secondary waste heat to the organic Rankine cycle submodule; And the organic Rankine cycle submodule is used for generating organic steam by utilizing the secondary waste heat and generating electricity by utilizing the organic steam.
3. The solar biomass energy recovery system according to claim 2, wherein the production module includes a gasifier, a first compressor, a combustor, a high pressure gas turbine, and a low pressure gas turbine; the gasification furnace is respectively connected with the first compressor and the combustion chamber; the combustion chamber is also connected with a high-pressure gas turbine; the high-pressure gas turbine is also respectively connected with the processing module and the low-pressure gas turbine; the first compressor is used for compressing air and outputting the compressed air to the gasification furnace; The gasification furnace is used for receiving biomass and compressed air to generate synthesis gas and outputting the synthesis gas to the combustion chamber; The combustion chamber is used for combusting the synthesis gas to generate high-temperature and high-enthalpy products and outputting the high-temperature and high-enthalpy products to the high-pressure gas turbine; The high-pressure gas turbine is used for receiving high Wen Gaohan products, providing energy for energy utilization equipment and generating primary waste gas; the treatment module is used for receiving solar energy to heat the primary waste gas; the low-pressure gas turbine is used for receiving the heated primary exhaust gas, providing energy for energy utilization equipment, and generating secondary exhaust gas to be output to the waste heat recovery module.
4. The solar biomass energy recovery system of claim 3 wherein said processing module comprises a receiver, a hot storage tank, a first heat exchanger, and a cold storage tank; The receiver is respectively connected with the hot storage tank and the cold storage tank; The first heat exchanger is respectively connected with the hot storage tank, the first heat exchanger and the cold storage tank; the receiver is used for receiving solar energy emitted by the heliostat field and heating a medium in the receiver; The heat storage tank is used for storing the heated medium to provide heat energy in real time; the first heat exchanger is used for outputting heat energy of a medium to the high-pressure gas turbine and heating the primary waste gas; The cold storage tank is used for storing the cooled medium.
5. The solar biomass energy recovery system according to claim 4, wherein the steam rankine cycle submodule includes a first evaporator, a first turbine, and a thermoelectric generator; The first evaporator is respectively connected with the low-pressure gas turbine, the organic Rankine cycle submodule, the first turbine and the thermoelectric generator; the first turbine is also connected with the thermoelectric generator; The first evaporator is used for receiving primary waste heat generated by the secondary waste gas, generating water vapor and outputting the secondary waste heat to the organic Rankine cycle submodule; The first turbine generates electricity by using the water vapor; The thermoelectric generator receives the energy recovered by the generated water vapor and condenses the working fluid to be output to the first evaporator through a pump to complete the circulation.
6. The solar biomass energy recovery system according to claim 5, wherein the organic rankine cycle submodule includes a second evaporator, a second turbine, and a condenser; the second evaporator is respectively connected with the first evaporator, the second turbine and the condenser; The condenser is also connected with the second turbine; the second evaporator is used for receiving the secondary waste heat and generating organic steam; the second turbine generates electricity by using the organic steam; the condenser is used for condensing the generated organic steam and outputting the organic steam to the second evaporator through the pump to complete circulation.
7. The solar biomass energy recovery system of claim 1 or 6, further comprising a hydrogen production module; the hydrogen production module is connected with the waste heat recovery module; The hydrogen production module is used for receiving the electric energy converted by the waste heat recovery module and water generated by the recovery system of the solar biomass energy, and producing hydrogen by utilizing the converted electric energy and water.
8. The solar biomass energy recovery system according to claim 7, further comprising a separation module; the separation module is connected with the hydrogen production module; The separation module is used for carrying out gas-liquid separation on the hydrogen produced by the hydrogen production module to obtain liquid hydrogen and gaseous hydrogen.
9. The solar biomass energy recovery system as claimed in claim 8 wherein said hydrogen production module comprises a proton exchange membrane electrolyzer; The proton exchange membrane electrolyzer is connected with the waste heat recovery module; The proton exchange membrane electrolyzer is used for receiving the converted electric energy and water generated by the recovery system of the solar biomass energy to generate hydrogen.
10. The solar biomass energy recovery system according to claim 9, wherein the separation module comprises a second compressor, a second heat exchanger, a third heat exchanger, a fourth heat exchanger, a precooler, a throttle valve, and a separator; The second compressor is respectively connected with the proton exchange membrane electrolytic cell, the second heat exchanger and the third heat exchanger; The precooler is respectively connected with the second heat exchanger, the third heat exchanger and the fourth heat exchanger; The fourth heat exchanger is also connected with the separator through the throttle valve; the second compressor is used for compressing the hydrogen generated by the proton exchange membrane electrolytic cell, dividing the hydrogen into first hydrogen and second hydrogen, outputting the first hydrogen to the second heat exchanger for cooling by cold steam returned from the separator, and outputting the second hydrogen to the third heat exchanger for cooling by nitrogen steam; The second heat exchanger and the third heat exchanger output the cooled hydrogen to the precooler liquid nitrogen bath; outputting the precooled hydrogen to the fourth heat exchanger by the precooler for further cooling; The fourth heat exchanger generates high-pressure hydrogen and enters a two-phase state through the throttle valve to be output to the separator; The separator separates liquid hydrogen from gaseous hydrogen.

Description

Recovery system of solar biomass energy Technical Field The application relates to the technical field of new energy and energy conservation, in particular to a recovery system of solar biomass energy. Background In the context of current global warming and high power generation demands, the development of clean and renewable energy resources is becoming increasingly important as global concerns over fossil fuel dependencies and environmental protection continue to increase. Compared with fossil fuels, renewable energy sources such as solar energy, wind energy, geothermal energy and biomass energy are widely used in the global world, and the utilization rate of renewable energy sources is continuously improved along with the development of technology. Biomass, a non-fossil fuel, has become a key energy source of choice because of its wide and renewable sources. Many agricultural and industrial processes produce large amounts of waste which, if used effectively, can not only solve the environmental pollution problem but also provide raw materials for energy production. Disclosure of Invention The application mainly aims to provide a recovery system of solar biomass energy, which aims to solve the technical problems that the existing energy system can generate a large amount of waste and the energy utilization rate is low. The application provides a solar biomass energy recycling system, which comprises a production module, a processing module and a waste heat recycling module, wherein the production module is respectively connected with the processing module and the waste heat recycling module, the production module is used for receiving biomass energy and converting the biomass energy into heat energy to be output to energy utilization equipment, the production module is also used for generating heat energy emission in the process of converting the biomass energy into heat energy, the processing module is used for receiving solar energy and preprocessing the heat energy emission by utilizing the solar energy to generate preprocessed heat energy emission, and the waste heat recycling module is also used for receiving the preprocessed heat energy emission and converting energy utilization by the preprocessed heat energy emission. In an embodiment, the waste heat recovery module comprises a steam Rankine cycle submodule and an organic Rankine cycle submodule, wherein the steam Rankine cycle submodule is respectively connected with the production module and the organic Rankine cycle submodule, the steam Rankine cycle submodule is used for generating water vapor by utilizing primary waste heat of the pretreated heat energy emission, generating power by utilizing the water vapor and outputting secondary waste heat to the organic Rankine cycle submodule, and the organic Rankine cycle submodule is used for generating organic steam by utilizing the secondary waste heat and generating power by utilizing the organic steam. In one embodiment, the production module comprises a gasification furnace, a first compressor, a combustion chamber, a high-pressure gas turbine and a low-pressure gas turbine, wherein the gasification furnace is connected with the first compressor and the combustion chamber respectively, the combustion chamber is also connected with the high-pressure gas turbine, the high-pressure gas turbine is also connected with the processing module and the low-pressure gas turbine respectively, the first compressor is used for compressing air and outputting the compressed air to the gasification furnace, the gasification furnace is used for receiving biomass and compressed air to generate synthetic gas and outputting the synthetic gas to the combustion chamber, the combustion chamber is used for combusting the synthetic gas to generate high-temperature high-enthalpy products to be output to the high-pressure gas turbine, the high-pressure gas turbine is used for receiving high-Wen Gaohan products to provide energy to energy utilization equipment and generate primary waste gas, the processing module is used for receiving solar energy to heat the primary waste gas, the low-pressure gas turbine is used for receiving the heated primary waste gas to provide energy to energy utilization equipment and generate secondary waste gas to be output to the waste heat recovery module. In one embodiment, the processing module comprises a receiver, a hot storage tank, a first heat exchanger and a cold storage tank, wherein the receiver is respectively connected with the hot storage tank and the cold storage tank, the first heat exchanger is respectively connected with the hot storage tank, the first heat exchanger and the cold storage tank, the receiver is used for receiving solar energy emitted by a heliostat field and heating media in the receiver, the hot storage tank is used for storing the heated media to provide heat energy in real time, the first heat exchanger is used for outputting the heat energy of the media to the