CN217584591U - Combined heat, power, gas and fertilizer supply system taking biomass energy as input - Google Patents
Combined heat, power, gas and fertilizer supply system taking biomass energy as input Download PDFInfo
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- CN217584591U CN217584591U CN202221204898.0U CN202221204898U CN217584591U CN 217584591 U CN217584591 U CN 217584591U CN 202221204898 U CN202221204898 U CN 202221204898U CN 217584591 U CN217584591 U CN 217584591U
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- 239000002028 Biomass Substances 0.000 title claims abstract description 42
- 239000003337 fertilizer Substances 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 238000005338 heat storage Methods 0.000 claims abstract description 35
- 239000007789 gas Substances 0.000 claims abstract description 30
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000003546 flue gas Substances 0.000 claims abstract description 29
- 238000000855 fermentation Methods 0.000 claims abstract description 27
- 238000000746 purification Methods 0.000 claims abstract description 17
- 239000002002 slurry Substances 0.000 claims abstract description 15
- 239000002918 waste heat Substances 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 239000003344 environmental pollutant Substances 0.000 claims description 4
- 231100000719 pollutant Toxicity 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000010411 cooking Methods 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010248 power generation Methods 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
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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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Processing Of Solid Wastes (AREA)
Abstract
A combined heat, power, gas and fertilizer supply system using biomass energy as input belongs to the technical field of energy utilization and conversion. The system takes biomass energy as input and takes heat, electricity, gas and biogas slurry and residue as output. After being pretreated, biomass is subjected to constant-temperature anaerobic fermentation and converted into biogas and biogas slurry and biogas residues, the biogas enters a gas storage tank for storage after passing through a purification device, part of the stored biogas is directly supplied to a user end and is used for meeting the gas demand of a cooking and gas water heater, the rest biogas enters a biogas generator for cogeneration, and the biogas slurry and biogas residues are used as organic fertilizers for users; biomass fuel is sent into a biomass direct-fired boiler to be combusted to produce heating hot water, boiler flue gas firstly enters an economizer to recover partial flue gas waste heat, then passes through a flue gas purification device, and finally recovers latent heat of the biomass boiler flue gas through an air source heat pump; the heat storage system is used for adjusting the problem of energy supply and demand matching.
Description
Technical Field
The utility model relates to an energy utilization and conversion technology, in particular to a combined heat, power, gas and fertilizer supply technology taking renewable energy as input.
Background
At present, most of distributed energy systems based on renewable energy are easily affected by various factors such as regions, climates, solar radiation, seasons and the like, and the systems are difficult to continuously, stably and reliably meet the energy utilization requirements of users. The invention relates to a zero-carbon efficient distributed energy supply system driven by renewable energy and an operation method thereof (application number 202210061646.5). The system in the patent can simultaneously meet the energy use requirements of cold, heat, electricity and hydrogen of users by utilizing a power grid, wind energy power generation, photovoltaic power generation and solar photothermal, can generate huge economic benefits while realizing clean and efficient energy supply, but has lower regional adaptability because a discontinuous system of wind energy and solar energy needs to be connected to the power grid and related energy storage devices. The invention discloses a solar-driven distributed energy system (application number 202210011259.0), which uses solar photovoltaic power generation and solar photothermal drive ammonia decomposition membrane reactors and ammonia compression refrigeration cycles to enable the system to output cold, heat, electricity and hydrogen outwards, but the system needs to consume ammonia in the hydrogen production process, has high operation cost and needs a sufficient and stable supply mode, so the system has poor regional adaptability, and is difficult to work continuously and stably due to solar discontinuity. The invention discloses a distributed biomass energy combined cooling heating and power generation system (application number 201920165681.5), the system in the Chinese invention can realize high-efficiency utilization of biomass energy, can output various energy sources of cold, heat and electricity while outputting biomass gas, but easily causes secondary pollution of waste water in the biomass gasification process, and the treated waste water can be discharged harmlessly by an additional waste water treatment system.
Disclosure of Invention
The utility model aims at providing a use biological energy to supply system jointly for gas fertilizer of thermoelectricity as input.
The utility model relates to a thermoelectric gas-fertilizer combined supply system taking biomass energy as input, a pretreatment device 1 is communicated with a constant-temperature anaerobic fermentation device 2 through a slurry pump P-1, the constant-temperature anaerobic fermentation device 2 is provided with a first temperature sensor T1 and a first pressure sensor P1, the constant-temperature anaerobic fermentation device 2 is communicated with a biogas purification device 3 through a first valve V-1, the constant-temperature anaerobic fermentation device 2 is communicated with a first heat storage water tank 10 through a fourth valve V-4 and a first circulating water pump P-2, the constant-temperature anaerobic fermentation device 2 discharges biogas slurry and biogas residues through a sixth valve V-6 and a biogas slurry and biogas residue pump P-4 for use by a user end, the biogas purification device 3 is communicated with a gas storage tank 4, the gas storage tank 4 is provided with a second pressure sensor P2, the gas storage tank 4 is communicated with a biogas and a biogas generator 7 through a booster fan F-1 and a second valve V-2, the biogas of a user end is connected with a gas water heater 5 and a gas cooker 6 through a third valve V-3, the flue gas generated by a biogas generator 7 is discharged into the atmosphere after waste heat is recovered by a heat exchanger 9, cylinder liner water of the biogas generator 7 enters the biogas generator 7 after being cooled by a first heat exchanger 8, a first heat storage water tank 10 is connected with the first heat exchanger 8 and a second heat exchanger 9 through a second circulating water pump P-3 and a fifth valve V-5, the electric energy generated by the biogas generator 7 is supplied to users and system electric equipment for using residual electric energy to be sold on a power grid, a biomass direct-fired boiler 11 is communicated with the user end through a seventh valve V-7 and a first water supply pump P-5, the biomass direct-fired boiler 11 is provided with a third temperature sensor T3, the flue gas generated by the biomass direct-fired boiler 11 sequentially passes through an economizer 15 and a coal stove 6, the boiler flue gas carries out waste heat recovery and atmospheric pollutants treatment through a flue gas purification device 14 and an air source heat pump unit 13, and finally the boiler flue gas is discharged into the atmosphere through a draught fan F-2, the air source heat pump unit 13 is communicated with a second heat storage water tank 12 through a third circulating water pump P-7 and a ninth valve V-9, a fourth temperature sensor T4 is arranged on the second heat storage water tank 12, the second heat storage water tank 12 is communicated with an external water source through a second water supply pump P-6 and an eighth valve V-8 and is used for regularly supplementing water to a biomass direct-fired boiler 11 through a tenth valve V-10, and the second heat storage water tank 12 is communicated with a user side through a seventh valve V-7 and a first water supply pump P-5.
The utility model has the advantages that: renewable energy is used as energy input of the system, a biomass energy constant-temperature anaerobic fermentation technology, a biogas generator cogeneration technology, a biomass direct-fired boiler heating technology, an air source heat pump flue gas waste heat recovery technology and the like are organically integrated with a heat storage technology into a whole, and the system fully utilizes biomass energy in different forms; the heat storage technology and the waste heat recovery technology are utilized to carry out efficient waste heat recovery in the system, so that the energy utilization efficiency is improved; the system meets the energy requirements of users in different time periods and different types, improves the reliability and stability of system energy supply, and realizes the full and efficient utilization of biomass resources in the area where the users are located and the protection of ecological environment.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Detailed Description
As shown in figure 1, the utility model relates to a thermoelectric gas-fertilizer combined supply system taking biomass energy as input, a pretreatment device 1 is communicated with a constant temperature anaerobic fermentation device 2 through a slurry pump P-1, the constant temperature anaerobic fermentation device 2 is provided with a first temperature sensor T1 and a first pressure sensor P1, the constant temperature anaerobic fermentation device 2 is communicated with a biogas purification device 3 through a first valve V-1, the constant temperature anaerobic fermentation device 2 is communicated with a first heat storage water tank 10 through a fourth valve V-4 and a first circulating water pump P-2, the constant temperature anaerobic fermentation device 2 discharges biogas slurry and slag through a sixth valve V-6 and a biogas slurry pump P-4 for a user end, the biogas purification device 3 is communicated with a biogas storage tank 4, the biogas storage tank 4 is provided with a second pressure sensor P2, the biogas storage tank 4 is communicated with the user end and a biogas generator 7 through a booster fan F-1 and a second valve V-2, the biogas of a user end is connected with a gas water heater 5 and a gas cooker 6 through a third valve V-3, the flue gas generated by a biogas generator 7 is discharged into the atmosphere after the waste heat is recovered by a second heat exchanger 9, the cylinder liner water of the biogas generator 7 enters the biogas generator 7 after being cooled by a first heat exchanger 8, a first heat storage water tank 10 is connected with the first heat exchanger 8 and the second heat exchanger 9 through a second circulating water pump P-3 and a fifth valve V-5, the electric energy generated by the biogas generator 7 is supplied to users and system electric equipment for using the residual electric energy for selling on a power grid, a biomass direct-fired boiler 11 is communicated with the user end through a seventh valve V-7 and a first water supply pump P-5, the biomass direct-fired boiler 11 is provided with a third temperature sensor T3, the flue gas generated by the biomass direct-fired boiler 11 sequentially passes through an economizer 15, the boiler flue gas carries out waste heat recovery and atmospheric pollutants treatment through a flue gas purification device 14 and an air source heat pump unit 13, and finally the boiler flue gas is discharged into the atmosphere through a draught fan F-2, the air source heat pump unit 13 is communicated with a second heat storage water tank 12 through a third circulating water pump P-7 and a ninth valve V-9, a fourth temperature sensor T4 is arranged on the second heat storage water tank 12, the second heat storage water tank 12 is communicated with an external water source through a second water supply pump P-6 and an eighth valve V-8 and is used for regularly supplementing water to a biomass direct-fired boiler 11 through a tenth valve V-10, and the second heat storage water tank 12 is communicated with a user side through a seventh valve V-7 and a first water supply pump P-5.
As shown in fig. 1, the first heat storage water tank 10 is of a built-in coil type, an outlet of the coil is connected with the first heat exchanger 8 through the second circulating water pump P-3 and the fifth valve V-5, and an inlet of the coil is connected with the second heat exchanger 9.
As shown in fig. 1, the second thermal storage water tank 12 is a built-in coil pipe type, an outlet of the coil pipe is connected with an inlet of a condensation end of the air source heat pump unit 13 through a third circulating water pump P-7 and a ninth valve V-9, and an inlet of the coil pipe is connected with an outlet of the condensation end of the air source heat pump unit 13.
As shown in FIG. 1, the first temperature sensor T1 and the first pressure sensor P1 are installed in the top gas storage area of the thermostatic anaerobic fermentation device 2.
The present invention will be further developed by referring to the following embodiments. The utility model discloses utilize constant temperature anaerobic fermentation technique, living beings direct combustion heating technology, air source heat pump technique, marsh gas combined heat and power generation technique and heat accumulation technology integrated one can be for new rural community or villages and small towns residential area system that provides the thermoelectricity gas fertilizer in succession stably.
As shown in fig. 1, in the system, a gas water heater 5 and a gas cooker 6 are arranged at a user end; the rest of the devices are a pretreatment device 1, a constant-temperature anaerobic fermentation device 2, a methane purification device 3, a gas storage device 4, a methane generator 7, a first heat exchanger 8, a second heat exchanger 9, a first heat storage water tank 10, a second heat storage water tank 12, a biomass direct-fired boiler 11, an air source heat pump unit 13, a flue gas purification device 14 and an economizer 15 which are all arranged at an energy supply end in a centralized manner.
Biomass (straws, feces, fruit and vegetable wastes and the like) enters a pretreatment device 1 for pretreatment, enters a constant-temperature anaerobic fermentation device 2 through a slurry pump P-1 for anaerobic fermentation (37 ℃), the constant-temperature anaerobic fermentation device 2 is provided with a first temperature sensor T1 and a first pressure sensor P1 to monitor the temperature and pressure changes in the constant-temperature anaerobic fermentation device 2, biogas generated by the constant-temperature anaerobic fermentation device 2 enters a biogas purification device 3 through a first valve V-1 for purification, the purified biogas enters a gas storage tank 4 for storage, and the biogas slurry and slag generated are used as organic fertilizers by a user end through a sixth valve V-6 and a biogas slurry and slag pump P-4. When the temperature in the constant-temperature anaerobic fermentation device 2 is lower than 37 ℃, a fourth valve V-4 and a first circulating water pump P-2 are opened to heat the constant-temperature anaerobic fermentation device 2.
The gas storage tank 4 is provided with a second pressure sensor P2 to monitor the pressure change in the gas storage tank 4, methane in the gas storage tank 4 is supplied to a user end through the a-c side of the second valve V-2, the methane of the user end is supplied to a gas cooker 6 and a gas water heater 5 through the a-c side and the a-b side of the third valve V-3 respectively to meet the gas demand of cooking and domestic hot water of the user, and is supplied to a methane generator 7 through the a-b side of the second valve V-2 for cogeneration. The flue gas of the biogas generator 7 is cooled by the second heat exchanger 9 and then discharged into the atmosphere, and the cylinder sleeve water is cooled by the first heat exchanger 8 and then flows back to the biogas generator 7. The water in the heat storage water tank 10 passes through a second circulating water pump P-3, a fifth valve V-5, a first heat exchanger 8 and a second heat exchanger 9 in sequence to recover the cylinder sleeve water waste heat and the flue gas waste heat of the biogas generator 7.
When the generated energy of the biogas generator 7 is larger than the total electric load of the system (user electric load and system operation power consumption), the system can sell electricity to the outside.
Flue gas generated by combustion of biomass fuel (biomass briquette or bulk biomass fuel) in the biomass direct-fired boiler 11 sequentially passes through the economizer 15, the boiler flue gas is subjected to waste heat recovery and atmospheric pollutant treatment through the flue gas purification device 14 and the air source heat pump unit 13, finally the boiler flue gas is discharged into the atmosphere through the induced draft fan F-2, and hot water produced by the biomass direct-fired boiler 11 is used for delivering heating hot water at 50 ℃ to a user end through the seventh valve a-b side and the first water feed pump P-5.
The air source heat pump unit 13 is communicated with the second heat storage water tank 12 through a third circulating water pump P-7 and a ninth valve V-9, and the air source heat pump unit 13 further recovers latent heat of boiler flue gas and stores the recovered heat into the second heat storage water tank 12 through the third circulating water pump P-7 and the ninth valve V-9.
The second heat storage water tank 12 is provided with a fourth temperature sensor T4, the second heat storage water tank 12 is communicated with an external water source through a second water feeding pump P-6 and an eighth valve V-8 and is used for periodically supplementing water to the biomass direct-fired boiler 11 through a tenth valve V-10, and when the temperature in the second heat storage water tank 12 is higher than 50 ℃, the second heat storage water tank is communicated with a user side through the c-b side of a seventh valve V-7 and a first water feeding pump P-5 to participate in user side heating.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many equivalents and modifications may be made without departing from the principle of the present invention, and such equivalents and modifications are also intended to be included in the scope of the present invention.
Claims (5)
1. The combined heat and power supply system taking biomass energy as input is characterized in that a pretreatment device (1) is communicated with a constant-temperature anaerobic fermentation device (2) through a slurry pump (P-1), the constant-temperature anaerobic fermentation device (2) is provided with a first temperature sensor (T1) and a first pressure sensor (P1), the constant-temperature anaerobic fermentation device (2) is communicated with a biogas purification device (3) through a first valve (V-1), the constant-temperature anaerobic fermentation device (2) is communicated with a first heat storage water tank (10) through a fourth valve (V-4) and a first circulating water pump (P-2), the constant-temperature anaerobic fermentation device (2) discharges biogas slurry and slag through a sixth valve (V-6) and a biogas slurry pump (P-4) for use at a gas user end, the biogas purification device (3) is communicated with a biogas storage tank (4), the biogas storage tank (4) is provided with a second pressure sensor (P2), the biogas storage tank (4) is communicated with a biogas generator (7) and a biogas generator (7) through a second valve (V-6) and a biogas waste heat exchanger (9) after being discharged into a gas heater (7) through a pressurizing fan (F-1), cylinder jacket water of a biogas generator (7) is cooled by a first heat exchanger (8) and then enters the biogas generator (7), a first heat storage water tank (10) is connected with the first heat exchanger (8) and a second heat exchanger (9) by a second circulating water pump (P-3) and a fifth valve (V-5), electricity generated by the biogas generator (7) is supplied to users and system electric equipment for using residual electricity to sell on a power grid, a biomass direct-fired boiler (11) is communicated with a user side by a seventh valve (V-7) and the first water-feeding pump (P-5), a third temperature sensor (T3) is arranged on the biomass direct-fired boiler (11), flue gas generated by the biomass direct-fired boiler (11) sequentially passes through an economizer (15), the boiler flue gas passes through a flue gas purification device (14) and an air source heat pump unit (13) to carry out waste heat recovery and treatment on atmospheric pollutants, finally the boiler flue gas is discharged into the atmosphere by an induced draft fan (F-2), the heat pump unit (13) is communicated with a ninth water tank (12) by a ninth circulating water pump (P-9) and a ninth heat storage water tank (12) by a fourth heat storage water pump (V-12), a water tank (6-12) and an eighth heat storage water tank (10) and a water-storage tank (12) are communicated with a water source heat pump (6-12) by a tenth heat pump (10) And (3) supplementing water, wherein the second heat storage water tank (12) is communicated with the user side through a seventh valve (V-7) and a first water feeding pump (P-5) to participate in user heating.
2. The combined heat, power and fertilizer system using biomass energy as input according to claim 1, wherein: the first heat storage water tank (10) is of a built-in coil type, the outlet of the coil is connected with the first heat exchanger (8) through the second circulating water pump (P-3) and the fifth valve (V-5), the inlet of the coil is connected with the second heat exchanger (9), and a heat exchange medium in the coil is water or a refrigerant.
3. The combined heat, power and fertilizer system using biomass energy as input according to claim 1, wherein: the second heat storage water tank (12) is of a built-in coil pipe type, the outlet of the coil pipe is connected with the inlet of the condensation end of the air source heat pump unit (13) through a third circulating water pump (P-7) and a ninth valve (V-9), and the inlet of the coil pipe is connected with the outlet of the condensation end of the air source heat pump unit (13).
4. The combined heat, power and fertilizer system using biomass energy as input according to claim 1, wherein: the second heat storage water tank (12) is communicated with an external water source through a second water feeding pump (P-6) and an eighth valve (V-8), meanwhile, the second heat storage water tank (12) is communicated with a water replenishing port of the biomass direct-fired boiler (11) through a tenth valve (V-10), and is communicated with a user side through a (c-b) side of a seventh valve (V-7) and the first water feeding pump (P-5).
5. The system of claim 1, wherein the system comprises: the heat source utilized by the air source heat pump unit (13) is the boiler flue gas purified by the flue gas purification device (14).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114738816A (en) * | 2022-05-20 | 2022-07-12 | 兰州理工大学 | Combined heat, power, gas and fertilizer supply system using biomass energy as input |
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| CN114738816A (en) * | 2022-05-20 | 2022-07-12 | 兰州理工大学 | Combined heat, power, gas and fertilizer supply system using biomass energy as input |
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Granted publication date: 20221014 |