CN215260017U - Solar hydrogen production coupling flue gas thermal mass comprehensive utilization system - Google Patents

Solar hydrogen production coupling flue gas thermal mass comprehensive utilization system Download PDF

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Publication number
CN215260017U
CN215260017U CN202121787120.2U CN202121787120U CN215260017U CN 215260017 U CN215260017 U CN 215260017U CN 202121787120 U CN202121787120 U CN 202121787120U CN 215260017 U CN215260017 U CN 215260017U
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water
flue gas
outlet
valve
heat
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CN202121787120.2U
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邹小刚
胡介旭
王召明
李文锋
李楠
车宏伟
申冀康
周飞
李卫涛
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Xian Xire Boiler Environmental Protection Engineering Co Ltd
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Xian Xire Boiler Environmental Protection Engineering Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/133—Renewable energy sources, e.g. sunlight

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Abstract

The utility model discloses a solar hydrogen production coupling flue gas heat comprehensive utilization system, which comprises a boiler, a flue gas condenser and a chimney, wherein the flue gas side of the boiler, the flue gas condenser and the chimney are sequentially communicated, a flue gas temperature thermal resistor at the outlet of the flue gas condenser, a compressor, a plate heat exchanger and a throttle valve, which are sequentially communicated with the circulating medium side of the flue gas condenser, and a water supply inlet valve, a regulating valve and a water supply outlet valve, which are sequentially communicated with the water side of the plate heat exchanger; the system also comprises a water tank, a condensate pump, a water treatment tank, a purified water pump and an electrolysis device which are sequentially communicated with the condensate side; a water quality monitoring device positioned at the outlet of the water treatment tank; a dosing device and a variable frequency dosing pump which are communicated with the water treatment tank; the device also comprises a photovoltaic device, a coil pipe, a thermal resistor, an energy storage device connected with the photovoltaic device and the like; the utility model discloses can reduce photovoltaic board surface temperature, improve its photoelectric conversion efficiency, simultaneously, heat and moisture in the ability degree of depth recovery flue gas, the comdenstion water is used for solar energy to prepare hydrogen and oxygen, realizes that the energy synthesizes high-efficient cyclic utilization.

Description

Solar hydrogen production coupling flue gas thermal mass comprehensive utilization system
Technical Field
The utility model belongs to the technical field of the new forms of energy, a solar energy hydrogen manufacturing coupling flue gas heat comprehensive utilization system is related to, can reduce photovoltaic panel surface temperature, improves its photoelectric conversion efficiency, simultaneously, can the degree of depth retrieve heat and moisture in the flue gas, the comdenstion water is used for solar energy to prepare hydrogen and oxygen.
Background
Photovoltaic technology is one of the hot spots in solar energy utilization research. Research shows that the photoelectric conversion efficiency of the photovoltaic cell is 6% -19%, and residual energy is mainly accumulated in a cell panel in a thermal mode, so that the operation temperature of the cell is increased, and further, the photovoltaic system is influenced. On one hand, the increase of the battery operation temperature leads to the reduction of the photoelectric conversion efficiency, and the photoelectric conversion efficiency is reduced by 0.4 to 0.5 percent when the battery temperature is increased by 1 ℃; on the other hand, high temperatures will accelerate the degradation of the cell's photoinduction rate, causing permanent structural damage thereto. Therefore, the operating temperature of the photovoltaic panel must be controlled. Relevant researches show that the output power of a photovoltaic system can be increased by 4-10% by adopting a photovoltaic panel cooling technology.
In addition, with the continuous development of energy transformation and upgrading in China, the utilization of waste heat resources is widely applied. The flue gas waste heat comprises sensible heat and latent heat, at present, most boilers are matched with energy-saving devices, the sensible heat of the flue gas is fully utilized, but the latent heat of the flue gas is not utilized. The latent heat of the flue gas accounts for about 11% of the low-level calorific value of the fuel, the heat efficiency of the unit can be greatly improved by recovering the latent heat of the flue gas, the moisture of the flue gas can be recovered, and the economic and environmental benefits are remarkable. At present, flue gas condensate water is mainly used for boiler water replenishing and desulfurizing tower water replenishing or is directly discharged after being treated, so that waste of water resources is caused.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a solar energy hydrogen manufacturing coupling flue gas heat matter comprehensive utilization system, this system can reduce photovoltaic board surface temperature, improves its photoelectric conversion efficiency, simultaneously, can the degree of depth retrieve heat and moisture in the flue gas, and the comdenstion water is used for solar energy to prepare hydrogen and oxygen, realizes the energy and synthesizes high-efficient cyclic utilization.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a solar hydrogen production coupling flue gas heat and mass comprehensive utilization system comprises a boiler 1, a flue gas condenser 2 and a chimney 3 which are sequentially communicated with the flue gas side, a flue gas temperature thermal resistor 28 arranged at the outlet of the flue gas condenser 2, a compressor 4, a plate heat exchanger 5 and a throttle valve 6 which are sequentially communicated with the circulating medium side of the flue gas condenser 2, and a feed water inlet valve 7, a regulating valve 11 and a feed water outlet valve 8 which are sequentially communicated with the water side of the plate heat exchanger 5; the system also comprises a heat supply network water return valve 9 and a heat supply network water outlet valve 10, wherein the outlet of the heat supply network water return valve 9 is connected to a pipeline between the water supply inlet valve 7 and the regulating valve 11, and the inlet of the heat supply network water outlet valve 10 is connected to a pipeline between the outlet of the plate heat exchanger 5 and the water supply outlet valve 8; the flue gas condenser also comprises a water tank 14, a condensate pump 15, a water treatment tank 16, a purified water pump 18 and an electrolysis device 19 which are sequentially communicated with the condensate side, wherein the water inlet of the water tank 14 is communicated with the condensate outlet of the flue gas condenser 2; the device also comprises a water quality monitoring device 17 positioned at the outlet of the water treatment tank 16; the device also comprises a dosing device 20 and a variable-frequency dosing pump 21 which are communicated with the water treatment tank 16; the photovoltaic device 22, a coil 23 arranged in the photovoltaic device 22 and a thermal resistor 24 connected with the photovoltaic device 22 are further included; the energy storage device 25 is connected with the photovoltaic device 22, and the output side of the energy storage device 25 is connected with the electrolysis device 19; the cooling water system also comprises a cooling water inlet valve 12 and a cooling water outlet valve 13 which are respectively communicated with the water side inlet and the water side outlet of the coil 23, wherein the inlet of the cooling water inlet valve 12 is connected with the inlet of the regulating valve 11, and the outlet of the cooling water outlet valve 13 is connected with the outlet of the regulating valve 11; and the hydrogen storage bottle 26 is communicated with the hydrogen outlet of the electrolysis device 19, and the oxygen storage bottle 27 is communicated with the oxygen outlet of the electrolysis device 19.
The boiler 1 is a gas boiler or a gas turbine or a coal-fired boiler or an oil-fired boiler.
The heat exchange form of the flue gas condenser 2 is spray tower type heat exchange or plate type heat exchange or tubular heat exchange.
The regulating valve 11 adopts electric regulation or pneumatic regulation and tracks the temperature value of the thermal resistor 24.
The water tank 14 is made of a corrosion-resistant material.
According to the control method of the solar hydrogen production coupling flue gas thermal mass comprehensive utilization system, the power of the compressor 4 is automatically controlled by the flue gas temperature thermal resistor 28 at the outlet of the flue gas condenser 2, and when the feedback value of the flue gas temperature thermal resistor 28 is higher than a set value, the power of the compressor 4 is increased until the feedback value of the flue gas temperature thermal resistor 28 reaches the set value; when the feedback value of the smoke temperature thermal resistor 28 is lower than the set value, the power of the compressor 4 is reduced until the feedback value of the smoke temperature thermal resistor 28 reaches the set value, so as to achieve the purpose of adjusting the amount of condensed water; the condensed water is purified in the water treatment tank 16, the water quality of the condensed water is monitored by the water quality monitoring device 17, when the water quality index is higher than a set value, the frequency of the variable-frequency dosing pump 21 is increased, and the dosage of the medicament is increased until the water quality index reaches the set value; when the water quality index is lower than the set value, the frequency of the variable-frequency dosing pump 21 is reduced, and the dosage of the medicament is reduced until the water quality index reaches the set value; when the temperature value of the thermal resistor 24 of the photovoltaic device 22 is higher than a set value, the cooling water inlet valve 12 and the cooling water outlet valve 13 are opened, meanwhile, the opening degree of the regulating valve 11 follows the temperature value of the thermal resistor 24, when the temperature value is higher than the set value, the opening degree of the regulating valve 11 is reduced, and the amount of cooling water flowing through the photovoltaic device 22 is increased until the temperature value reaches the set value; when the temperature value is lower than the set value, the opening degree of the regulating valve 11 is increased, and the amount of cooling water flowing through the photovoltaic device 22 is reduced until the temperature value reaches the set value; when the whole system supplies heat, the water supply inlet valve 7 and the water supply outlet valve 8 are closed, and the heat supply network water return valve 9 and the heat supply network water outlet valve 10 are opened; when the whole system does not supply heat, the heat supply network water return valve 9 and the heat supply network water outlet valve 10 are closed, and the feed water inlet valve 7 and the feed water outlet valve 8 are opened.
The utility model discloses following beneficial effect has:
a solar energy hydrogen manufacturing coupling flue gas heat comprehensive utilization system, because photovoltaic device is provided with the coil pipe, adopt the boiler feedwater as cooling medium to real time control photovoltaic device surface temperature, consequently can reduce photovoltaic board surface temperature, improve its photoelectric conversion efficiency, simultaneously, because the system is provided with flue gas condenser, and utilize heat pump system fully to reduce the flue gas temperature, heat and moisture in the flue gas can the degree of depth be retrieved, the comdenstion water is used for solar energy to prepare hydrogen and oxygen, realize that the energy synthesizes high-efficient cyclic utilization.
Drawings
Fig. 1 is a system diagram of the present invention, in which 1 is a boiler, 2 is a flue gas condenser, 3 is a chimney, 4 is a compressor, 5 is a plate heat exchanger, 6 is a throttle valve, 7 is a feed water inlet valve, 8 is a feed water outlet valve, 9 is a heat supply network return valve, 10 is a heat supply network outlet valve, 11 is a regulating valve, 12 is a cooling water inlet valve, 13 is a cooling water outlet valve, 14 is a water tank, 15 is a condensate pump, 16 is a water treatment tank, 17 is a water quality measuring device, 18 is a purified water pump, 19 is an electrolysis device, 20 is a dosing device, 21 is a variable frequency dosing pump, 22 is a photovoltaic device, 23 is a coil, 24 is a thermal resistor, 25 is an energy storage device, 26 is a hydrogen storage bottle, 27 is an oxygen storage bottle, and 28 is a thermal resistor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
a solar hydrogen production coupling flue gas heat and mass comprehensive utilization system comprises a boiler 1, a flue gas condenser 2 and a chimney 3 which are sequentially communicated with the flue gas side, a flue gas temperature thermal resistor 28 arranged at the outlet of the flue gas condenser 2, a compressor 4, a plate heat exchanger 5 and a throttle valve 6 which are sequentially communicated with the circulating medium side of the flue gas condenser 2, and a feed water inlet valve 7, a regulating valve 11 and a feed water outlet valve 8 which are sequentially communicated with the water side of the plate heat exchanger 5; the system also comprises a heat supply network water return valve 9 and a heat supply network water outlet valve 10, wherein the outlet of the heat supply network water return valve 9 is connected to a pipeline between the water supply inlet valve 7 and the regulating valve 11, and the inlet of the heat supply network water outlet valve 10 is connected to a pipeline between the outlet of the plate heat exchanger 5 and the water supply outlet valve 8; the flue gas condenser also comprises a water tank 14, a condensate pump 15, a water treatment tank 16, a purified water pump 18 and an electrolysis device 19 which are sequentially communicated with the condensate side, wherein the water inlet of the water tank 14 is communicated with the condensate outlet of the flue gas condenser 2; the device also comprises a water quality monitoring device 17 positioned at the outlet of the water treatment tank 16; the device also comprises a dosing device 20 and a variable-frequency dosing pump 21 which are communicated with the water treatment tank 16; also included are photovoltaic devices 22, coils 23, and thermal resistors 24; the energy storage device 25 is connected with the photovoltaic device 22, and the output side of the energy storage device 25 is connected with the electrolysis device 19; the cooling water system also comprises a cooling water inlet valve 12 and a cooling water outlet valve 13 which are respectively communicated with the water side and the water outlet of the coil 21, wherein the inlet of the cooling water inlet valve 12 is connected with the inlet of the regulating valve 11, and the outlet of the cooling water outlet valve 13 is connected with the outlet of the regulating valve 11; the hydrogen storage bottle 26 is communicated with the hydrogen outlet of the electrolysis device 19; and an oxygen storage bottle 27 communicated with the oxygen outlet of the electrolysis device 19.
The utility model discloses a working process does:
the power of the compressor 4 is automatically controlled by a smoke temperature thermal resistor 28 at the outlet of the smoke condenser 2, and when the feedback value of the smoke temperature thermal resistor 28 is higher than a set value, the power of the compressor 4 is increased until the feedback value of the smoke temperature thermal resistor 28 reaches the set value; when the feedback value of the smoke temperature thermal resistor 28 is lower than the set value, the power of the compressor 4 is reduced until the feedback value of the smoke temperature thermal resistor 28 reaches the set value, so as to achieve the purpose of adjusting the amount of condensed water. The condensed water is purified in the water treatment tank 16, the water quality of the condensed water is monitored by the water quality monitoring device 17, when the water quality index is higher than a set value, the frequency of the variable-frequency dosing pump 21 is increased, and the dosage of the medicament is increased until the water quality index reaches the set value; when the water quality index is lower than the set value, the frequency of the variable-frequency dosing pump 21 is reduced, and the dosage of the medicament is reduced until the water quality index reaches the set value. When the temperature value of the thermal resistor 24 of the photovoltaic device 22 is higher than a set value, the cooling water inlet valve 12 and the cooling water outlet valve 13 are opened, meanwhile, the opening degree of the regulating valve 11 follows the temperature value of the thermal resistor 24, when the temperature value is higher than the set value, the opening degree of the regulating valve 11 is reduced, and the amount of cooling water flowing through the photovoltaic device 22 is increased until the temperature value reaches the set value; when the temperature value is lower than the set value, the opening degree of the regulating valve 11 is increased, and the amount of cooling water flowing through the photovoltaic device 22 is reduced until the temperature value reaches the set value. When the whole system supplies heat, the water supply inlet valve 7 and the water supply outlet valve 8 are closed, and the heat supply network water return valve 9 and the heat supply network water outlet valve 10 are opened; when the whole system does not supply heat, the heat supply network water return valve 9 and the heat supply network water outlet valve 10 are closed, and the feed water inlet valve 7 and the feed water outlet valve 8 are opened.

Claims (5)

1. A solar hydrogen production coupling flue gas heat comprehensive utilization system is characterized in that the surface temperature of a photovoltaic panel can be reduced, the photoelectric conversion efficiency of the photovoltaic panel can be improved, meanwhile, heat and moisture in flue gas can be deeply recovered, condensed water is used for solar energy to prepare hydrogen and oxygen, the system comprises a boiler (1), a flue gas condenser (2) and a chimney (3) which are sequentially communicated with the flue gas side, a flue gas temperature thermal resistor (28) arranged at the outlet of the flue gas condenser (2), a compressor (4), a plate type heat exchanger (5) and a throttle valve (6) which are sequentially communicated with the circulating medium side of the flue gas condenser (2), and a water supply inlet valve (7), a regulating valve (11) and a water supply outlet valve (8) which are sequentially communicated with the water side of the plate type heat exchanger (5); the system also comprises a heat supply network water return valve (9) and a heat supply network water outlet valve (10), wherein the outlet of the heat supply network water return valve (9) is connected to a pipeline between the water supply inlet valve (7) and the regulating valve (11), and the inlet of the heat supply network water outlet valve (10) is connected to a pipeline between the outlet of the plate heat exchanger (5) and the water supply outlet valve (8); the flue gas condenser also comprises a water tank (14), a condensate pump (15), a water treatment tank (16), a purified water pump (18) and an electrolysis device (19), wherein the condensate side is sequentially communicated with the water tank (14), and a water inlet of the water tank (14) is communicated with a condensate outlet of the flue gas condenser (2); the device also comprises a water quality monitoring device (17) positioned at the outlet of the water treatment tank (16); also comprises a dosing device (20) and a variable frequency dosing pump (21) which are communicated with the water treatment tank (16); the device also comprises a photovoltaic device (22), a coil pipe (23) arranged in the photovoltaic device (22) and a thermal resistor (24) connected with the photovoltaic device (22); the photovoltaic power generation device also comprises an energy storage device (25) connected with the photovoltaic device (22), and the output side of the energy storage device (25) is connected with the electrolysis device (19); the cooling water system also comprises a cooling water inlet valve (12) and a cooling water outlet valve (13) which are respectively communicated with the water side inlet and the water side outlet of the coil pipe (23), wherein the inlet of the cooling water inlet valve (12) is connected with the inlet of the regulating valve (11), and the outlet of the cooling water outlet valve (13) is connected with the outlet of the regulating valve (11); also comprises a hydrogen storage bottle (26) communicated with the hydrogen outlet of the electrolysis device (19) and an oxygen storage bottle (27) communicated with the oxygen outlet of the electrolysis device (19).
2. The solar hydrogen production coupling flue gas heat and mass comprehensive utilization system according to claim 1, wherein the boiler (1) is a gas boiler or a gas turbine or a coal-fired boiler or an oil-fired boiler.
3. The solar hydrogen production coupling flue gas heat and mass comprehensive utilization system according to claim 1, characterized in that the heat exchange form of the flue gas condenser (2) is spray tower type heat exchange or plate heat exchanger tube type heat exchange.
4. The solar hydrogen production coupling flue gas heat and mass comprehensive utilization system according to claim 1, characterized in that the regulating valve (11) adopts electric regulation or pneumatic regulation to track the temperature value of the thermal resistor (24).
5. The solar hydrogen production coupling flue gas heat and mass comprehensive utilization system according to claim 1, characterized in that the water tank (14) is made of corrosion-resistant material.
CN202121787120.2U 2021-08-03 2021-08-03 Solar hydrogen production coupling flue gas thermal mass comprehensive utilization system Active CN215260017U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121787120.2U CN215260017U (en) 2021-08-03 2021-08-03 Solar hydrogen production coupling flue gas thermal mass comprehensive utilization system

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Application Number Priority Date Filing Date Title
CN202121787120.2U CN215260017U (en) 2021-08-03 2021-08-03 Solar hydrogen production coupling flue gas thermal mass comprehensive utilization system

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