CN114146539A - Drying equipment based on membrane method dehumidification and regeneration multi-energy complementation - Google Patents
Drying equipment based on membrane method dehumidification and regeneration multi-energy complementation Download PDFInfo
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- 239000012528 membrane Substances 0.000 title claims abstract description 125
- 238000001035 drying Methods 0.000 title claims abstract description 89
- 238000007791 dehumidification Methods 0.000 title claims abstract description 54
- 230000008929 regeneration Effects 0.000 title claims abstract description 46
- 238000011069 regeneration method Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 238000004821 distillation Methods 0.000 claims abstract description 25
- 238000009833 condensation Methods 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 230000005494 condensation Effects 0.000 claims abstract description 10
- 230000000295 complement effect Effects 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 230
- 230000002572 peristaltic effect Effects 0.000 claims description 68
- 238000003860 storage Methods 0.000 claims description 50
- 239000012510 hollow fiber Substances 0.000 claims description 35
- 238000005338 heat storage Methods 0.000 claims description 21
- 230000008878 coupling Effects 0.000 claims description 19
- 238000010168 coupling process Methods 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- 238000011065 in-situ storage Methods 0.000 claims description 8
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 6
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 6
- 239000004642 Polyimide Substances 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 5
- 229920001721 polyimide Polymers 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 239000012266 salt solution Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 13
- 239000002918 waste heat Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 230000001172 regenerating effect Effects 0.000 abstract description 3
- 125000004122 cyclic group Chemical group 0.000 abstract 1
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- 238000012546 transfer Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 6
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- 238000003912 environmental pollution Methods 0.000 description 3
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
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- 230000005619 thermoelectricity Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1412—Controlling the absorption process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1425—Regeneration of liquid absorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/229—Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D2053/221—Devices
- B01D2053/223—Devices with hollow tubes
- B01D2053/224—Devices with hollow tubes with hollow fibres
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Abstract
The invention relates to drying equipment based on membrane method dehumidification and regeneration multi-energy complementation, which comprises: solar energy, photovoltaic, light and heat integration system, solution circulation is system in birth, two condensation heat pump circulation systems, embrane method dehumidification drying system, for solar energy is complementary embrane method dehumidification drying system of multipotency as the owner, carry out the isothermal dewetting to the air, carry out waste heat recovery with high-temperature steam, carry out high-efficient utilization with high-temperature water heat, low energy consumption solution regeneration is realized to multiple-effect membrane distillation regenerating unit and evaporimeter, the heat cascade utilization, accomplish the high-efficient circulation of solution dehumidification, high low temperature condenser transmits partial condensation heat for dry air, improve drying quality, reduce the heat waste energy consumption among the cyclic process, improve energy utilization, closed solution circulation stops the liquid drop to produce the material corruption, extension equipment life.
Description
Technical Field
The invention relates to the technical field of membrane method dehumidification and drying, in particular to drying equipment based on membrane method dehumidification and regeneration multi-energy complementation.
Background
In the production and processing processes of wood, agricultural and sideline products and chemical products, material drying is an indispensable link, and a large amount of heat energy is consumed for material drying. The hot air drying is to heat air by adopting modes of fire coal and the like, and the dried high-temperature and high-humidity waste gas is directly discharged into the environment, so that on one hand, the waste heat directly discharged by the dried waste gas is wasted, and the energy utilization rate is low; on the other hand, coal combustion and exhaust gas emission cause environmental pollution. Therefore, the energy consumption is high, the pollution is serious, the short board and the deficiency of the drying industry are caused, and the application range and the development of drying equipment are seriously restricted.
The widespread, harmless and sustainable stability of solar energy has attracted extensive attention in the field of drying, some researchers have proposed many novel solar drying methods, and the Guangzhou energy research institute of the Chinese academy of sciences has proposed a multi-energy complementary drying device, patent application No: 2016211035102, the device utilizes the reasonable regulation and control of wind energy, solar energy to provide the heat source for the stoving case, but the device does not have the energy efficiency problem that very good improvement is dried and the system is complicated, and the cost is higher.
Disclosure of Invention
Aiming at the problems in the prior art, the invention designs drying equipment based on membrane dehumidification and regeneration multi-energy complementation by utilizing various renewable clean energy sources on the basis of improving the drying operation energy efficiency, realizes continuous, efficient, stable and reliable operation of the equipment, can store energy for thermoelectricity and high-concentration solution, reduces the load of a power grid to a certain extent, and solves the problems of energy efficiency, environmental pollution and the like.
The technical scheme adopted for realizing the invention is as follows: a drying device based on membrane method dehumidification and regeneration multi-energy complementation is characterized by comprising: the system comprises a solar photovoltaic photo-thermal integrated system A, a solution circulating in-situ system B, a double-condensation heat pump circulating system C and a membrane dehumidification drying system D;
the solar photovoltaic photo-thermal integrated system A comprises: PV/T thermal-arrest board 1, first three-way plug valve 2, hot water storage tank 3, second three-way plug valve 4, first return water pump 5, first circulating pump 6, fourth three-way plug valve 7, third three-way plug valve 13, second return water pump 14, power storage device 39, solar photovoltaic light and heat integration system power supply box 40, PV/T thermal-arrest board 1 and hot water storage tank 3 between constitute closed circuit through the tube coupling PV/T thermal-arrest board 1 and hot water storage tank 3 between one end connecting pipe set up first three-way plug valve 2, hot water storage tank 3, first circulating pump 6, fourth three-way plug valve 7 and first three-way plug valve 2 loop through the tube coupling and constitute closed circuit PV/T thermal-arrest board 1 and hot water storage tank 3 between the other end connecting pipe set up second three-way plug valve 4 PV/T thermal-arrest board 1 and second three-way plug valve 4 between the connecting pipe set up first return water pump The heat storage water tank 3, the third three-way plug valve 13, the second backwater water pump 14 and the second three-way plug valve 4 are sequentially connected through pipelines to form a closed loop, and the PV/T heat collection plate 1 is electrically connected with the electric power storage device 39;
the solution circulation living system B comprises: a fifth three-way plug valve 8, a second circulating pump 10, a sixth three-way plug valve 11, a multi-effect membrane distillation regeneration device 12, a dilute solution storage tank 15, a first solution peristaltic pump 16, a second solution peristaltic pump 17, a steam circulating pump 18, a third solution peristaltic pump 19, a seventh three-way plug valve 20, an air cooler 21, a fourth solution peristaltic pump 22, an eighth three-way plug valve 26, a concentrated solution storage tank 27, a seventh solution peristaltic pump 28, a fifth solution peristaltic pump 30, a seventh three-way plug valve 31, a sixth solution peristaltic pump 32, a hollow fiber membrane solution dehumidifier 34 and a double-condensing heat pump circulating system power supply box 41, wherein the multi-effect membrane distillation regeneration device 12 is provided with a hot water channel 12.1, a first solution channel 12.2, a first steam channel 12.3, a second solution channel 12.4, a second steam channel 12.5, a third solution channel 12.6 and a third steam channel 12.7 from left to right in turn, set up second solution peristaltic pump 17 on first solution passageway 12.2 and the second solution passageway 12.4 connecting pipeline set up steam circulating pump 18 on first steam passageway 12.3 and the second steam passageway 12.5 connecting pipeline set up third solution peristaltic pump 19 on the second solution passageway 12.4 and the third solution passageway 12.6 connecting pipeline set up seventh three way plug valve 20 on the second steam passageway 12.5 and the third steam passageway 12.7 connecting pipeline set up second circulating pump 10 on fifth three way plug valve 8 and the connecting pipeline of sixth three way plug valve 11, sixth three way plug valve 11 and hot water passageway 12.1 pass through the tube coupling hollow fiber membrane solution dehumidifier 34 and the connecting pipeline of hot water passageway 12.1 set gradually seventh solution peristaltic pump 28, air cooler 21, weak solution storage tank 15 and first solution peristaltic pump 16, air cooler 21 and seventh three way plug valve 20 tube coupling, the concentrated solution storage tank 27, the fifth solution peristaltic pump 30, the seventh three-way plug valve 31 and the eighth three-way plug valve 26 are sequentially connected through a pipeline, and a sixth solution peristaltic pump 32 is arranged on a connecting pipeline between the hollow fiber membrane solution dehumidifier 34 and the seventh three-way plug valve 31;
the double-condensation heat pump cycle system C includes: the system comprises a low-temperature condenser 9, a four-way reversing valve 23, a throttling device 24, an evaporator 25, a compressor 33, a high-temperature condenser 36 and a solution circulation on-line system power supply box 42, wherein the four-way reversing valve 23 is arranged on a connecting pipeline between the low-temperature condenser 9 and the throttling device 24, the throttling device 24 is connected with the evaporator 25 through a pipeline, the compressor 33 is arranged on the connecting pipeline between the evaporator 25 and the high-temperature condenser 36, and the four-way reversing valve 23 is arranged on the connecting pipeline between the high-temperature condenser 36 and the low-temperature condenser 9;
the membrane method dehumidification drying system D includes: a third fan 29, a first fan 35, a drying device 37, a second fan 38, and a membrane dehumidification drying system power supply box 43, wherein the second fan 38 and the third fan 29 are sequentially arranged on an outlet pipeline of the drying device 37, and the first fan 35 is arranged on the outlet pipeline of the drying device 37;
fourth three-way plug valve 7, fifth three-way plug valve 8 and low temperature condenser 9 in proper order the tube coupling, low temperature condenser 9 and the 11 tube coupling of sixth three-way plug valve, third three-way plug valve 13 and hot water passageway 12.1 tube coupling, evaporimeter 25 and the 26 tube coupling of eighth three-way plug valve, hollow fiber membrane solution dehumidifier 34 and drying device 37 constitute closed circuit through the tube coupling set up high temperature condenser 36 in the pipeline between drying device 37 and first fan 35.
Further, the solar energy, photovoltaic and photo-thermal integrated system A and the solution circulation are respectively arranged in the raw system B, the double-condensation heat pump circulation system C and the membrane dehumidification drying system D: the solar energy, photovoltaic and photothermal integrated system power box 40, the solution circulation on-system power box 42, the double condensation heat pump circulation system power box 41 and the membrane dehumidification drying system power box 43, and the power storage device 39 is electrically connected with the solar energy, photovoltaic and photothermal integrated system power box 40, the solution circulation on-system power box 42, the double condensation heat pump circulation system power box 41 and the membrane dehumidification drying system power box 43 respectively.
Further, the low-temperature condenser 9 is a water-cooling heat exchanger, the air cooler 21 is a gas-liquid heat exchanger, and the high-temperature condenser 36 is an air-cooling heat exchanger.
Further, the membrane in the multi-effect membrane distillation regeneration device 12 is a polyolefin membrane, a polyester membrane or a polyimide membrane.
Further, the membrane in the hollow fiber membrane solution dehumidifier 34 is a polyolefin membrane, a polyester membrane, or a polyimide membrane.
Further, a wet solution, which is an ionic solution, a single salt solution of lithium bromide and lithium chloride, or a mixed salt solution thereof, is disposed in the hollow fiber membrane solution dehumidifier 34.
The drying equipment based on membrane method dehumidification and regeneration multi-energy complementation has the beneficial effects that:
1. a drying device based on membrane dehumidification and regeneration multi-energy complementation carries out isothermal dehumidification on air entering the drying device through a membrane dehumidification device, so that a product to be produced is processed in one step, on one hand, closed solution circulation effectively prevents liquid drops from corroding production materials, and the service life of the device is prolonged; on the other hand, the dehumidifying solution can be recycled, so that the energy efficiency of the system is improved;
2. a drying device based on membrane method dehumidification and regeneration multi-energy complementation absorbs the heat of high-concentration solution passing through a multi-effect membrane distillation solution regeneration device through an evaporator, reduces the solution vapor pressure, improves the solution moisture absorption capacity, heats and boosts the refrigerant flow through a compressor, respectively radiates the dehumidified air and the water passing through a heat collection plate in a high-low temperature condenser, and reasonably recovers the waste heat in the solution;
3. a drying device based on membrane method dehumidification and regeneration multi-energy complementation selects a strategy of adopting multi-energy complementation on a drying heat source, has extremely high energy utilization rate, and on one hand, well utilizes the characteristics of solar energy cleanness and no pollution, and reduces the environmental pollution; on the other hand, the dried high-temperature and high-humidity waste gas is further treated, so that waste heat is secondarily utilized, and waste heat in the waste gas is reasonably recovered;
4. a drying device based on membrane dehumidification and regeneration multi-energy complementation is characterized in that a solar-energy-based multi-energy complementation membrane dehumidification drying system is used, high-temperature and high-humidity air is subjected to total heat recovery, the air is dehumidified, high-temperature steam is subjected to waste heat recovery by arranging an air cooler, the heat of the high-temperature water is efficiently utilized, low-energy-consumption solution regeneration and heat gradient utilization are realized by a multi-effect membrane distillation regeneration device and an evaporator, efficient circulation of solution dehumidification is completed, part of condensed heat is transferred to the drying air by arranging a high-low temperature condenser, drying quality is improved, heat loss and energy consumption in the circulation process are further reduced, the energy utilization rate is improved, closed solution circulation effectively prevents liquid drops from corroding production materials, and the service life of the device is prolonged; 5. the utility model provides a drying equipment based on embrane method dehumidification and regeneration multipotency are complementary, is to the day and night difference in temperature greatly, and weather variation is violent, through heat energy storage, electric energy storage, chemical energy storage equipment, combines heat exchanger and solution circulation in the membrane module that humidifies, has realized that the system realizes that equipment is continuous, high-efficient, stable, reliable operation, has both realized the national "two carbon target", reduces carbon emission, has improved dry quality, has promoted the efficiency utilization ratio again.
Drawings
FIG. 1 is a schematic structural diagram of a drying device based on membrane method dehumidification and regeneration multi-energy complementation;
FIG. 2 is a schematic structural view of the member 12 of FIG. 1;
in the figure: A. a solar photovoltaic photo-thermal integrated system, a solution circulating in-situ system, a double condensation heat pump circulating system, a membrane dehumidification drying system, a PV/T heat collecting plate, a first three-way plug valve, a heat storage water tank, a second three-way plug valve, a first water return pump, a first circulating pump, a fourth three-way plug valve, a fifth three-way plug valve, a low-temperature condenser, a second circulating pump, a sixth three-way plug valve, a multi-effect membrane distillation regeneration device, a hot water channel, a first solution channel, a first steam channel, a peristaltic steam channel, a second solution channel, a second steam channel, a peristaltic steam channel, a third solution channel, a peristaltic steam channel, a third three-way plug valve, a second water return pump, a dilute solution storage tank, a first solution pump, a first water return pump, a second water return pump, a peristaltic water return pump, a dilute solution storage tank, a first solution pump, a second solution return pump, 18. the system comprises a steam circulating pump, 19, a third solution peristaltic pump, 20, a seventh three-way plug valve, 21, an air cooler, 22, a fourth solution peristaltic pump, 23, a four-way reversing valve, 24, a throttling device, 25, an evaporator, 26, an eighth three-way plug valve, 27, a concentrated solution storage tank, 28, a seventh solution peristaltic pump, 29, a third fan, 30, a fifth solution peristaltic pump, 31, a ninth three-way plug valve, 32, a sixth solution peristaltic pump, 33, a compressor, 34, a hollow fiber membrane solution dehumidifier, 35, a first fan, 36, a high-temperature condenser, 37, a drying device, 38, a second fan, 39, an electrical storage device, 40, a solar energy, photovoltaic and photothermal integrated system power supply box, 41, a double condensation heat pump circulating system power supply box, 42, a solution circulating in biological system power supply box, 43, a membrane dehumidification and drying system power supply box.
Detailed Description
The present invention will be described in further detail with reference to fig. 1 and 2, and the specific embodiments described herein are merely illustrative and are not intended to limit the present invention.
As shown in the attached fig. 1 and 2, a drying device based on membrane method for dehumidification and regeneration multi-energy complementation is characterized in that the drying device comprises: the solar photovoltaic photo-thermal integrated system A comprises a solar photovoltaic photo-thermal integrated system A, a solution circulating in-situ system B, a double-condensation heat pump circulating system C and a membrane dehumidification drying system D, wherein the solar photovoltaic photo-thermal integrated system A comprises: PV/T thermal-arrest board 1, first three-way plug valve 2, hot water storage tank 3, second three-way plug valve 4, first return water pump 5, first circulating pump 6, fourth three-way plug valve 7, third three-way plug valve 13, second return water pump 14, power storage device 39, PV/T thermal-arrest board 1 and hot water storage tank 3 between constitute closed circuit through the tube coupling PV/T thermal-arrest board 1 and hot water storage tank 3 between one end connecting pipe set up first three-way plug valve 2, hot water storage tank 3, first circulating pump 6, fourth three-way plug valve 7 and first three-way plug valve 2 loop through the tube coupling and constitute closed circuit PV/T thermal-arrest board 1 and hot water storage tank 3 between the other end connecting pipe set up second three-way plug valve 4 PV/T thermal-arrest board 1 and second three-way plug valve 4 between set up return water pump connecting pipe 5, the heat storage water tank 3, the third three-way plug valve 13, the second backwater water pump 14 and the second three-way plug valve 4 are sequentially connected through pipelines to form a closed loop, and the PV/T heat collection plate 1 is electrically connected with the electric power storage device 39; the solution circulating in-situ system B comprises: a fifth three-way plug valve 8, a second circulating pump 10, a sixth three-way plug valve 11, a multi-effect membrane distillation regeneration device 12, a dilute solution storage tank 15, a first solution peristaltic pump 16, a second solution peristaltic pump 17, a steam circulating pump 18, a third solution peristaltic pump 19, a seventh three-way plug valve 20, an air cooler 21, a fourth solution peristaltic pump 22, an eighth three-way plug valve 26, a concentrated solution storage tank 27, a seventh solution peristaltic pump 28, a fifth solution peristaltic pump 30, a seventh three-way plug valve 31, a sixth solution peristaltic pump 32, a hollow fiber membrane solution dehumidifier 34, wherein the multi-effect membrane distillation regeneration device 12 is provided with a hot water channel 12.1, a first solution channel 12.2, a first steam channel 12.3, a second solution channel 12.4, a second steam channel 12.5, a third solution channel 12.6 and a third steam channel 12.7 in turn from left to right, a second solution peristaltic pump 17 is arranged on a connecting pipeline between the first solution channel 12.2 and the second solution channel 12.4, first steam passageway 12.3 sets up steam circulating pump 18 on the connecting pipeline with second steam passageway 12.5 second solution passageway 12.4 sets up third solution peristaltic pump 19 on the connecting pipeline with third solution passageway 12.6 second steam passageway 12.5 sets up seventh three way plug valve 20 on the connecting pipeline with third steam passageway 12.7 fifth three way plug valve 8 sets up second circulating pump 10 on the connecting pipeline with sixth three way plug valve 11, sixth three way plug valve 11 and hot water passageway 12.1 pass through the tube-line connection hollow fiber membrane solution dehumidifier 34 sets gradually seventh solution peristaltic pump 28, air cooler 21, weak solution storage tank 15 and first solution peristaltic pump 16 on the connecting pipeline with hot water passageway 12.1, air cooler 21 and the tube-line connection of seventh three way plug valve 20, concentrated solution storage tank 27, fifth solution pump 30, concentrated solution pump, The seventh three-way plug valve 31 and the eighth three-way plug valve 26 are sequentially connected through a pipeline, and a sixth solution peristaltic pump 32 is arranged on a connecting pipeline between the hollow fiber membrane solution dehumidifier 34 and the seventh three-way plug valve 31; the double-condensation heat pump circulating system C comprises: the system comprises a low-temperature condenser 9, a four-way reversing valve 23, a throttling device 24, an evaporator 25, a compressor 33 and a high-temperature condenser 36, wherein the four-way reversing valve 23 is arranged on a connecting pipeline between the low-temperature condenser 9 and the throttling device 24, the throttling device 24 is connected with the evaporator 25 through a pipeline, the compressor 33 is arranged on the connecting pipeline between the evaporator 25 and the high-temperature condenser 36, and the four-way reversing valve 23 is arranged on the connecting pipeline between the high-temperature condenser 36 and the low-temperature condenser 9; the membrane method dehumidification drying system D comprises: the drying device comprises a third fan 29, a first fan 35, a drying device 37 and a second fan 38, wherein the second fan 38 and the third fan 29 are sequentially arranged on an outlet pipeline of the drying device 37, and the first fan 35 is arranged on the outlet pipeline of the drying device 37; fourth three-way plug valve 7, fifth three-way plug valve 8 and low temperature condenser 9 pipe connection in proper order, low temperature condenser 9 and the 11 pipe connection of sixth three-way plug valve, third three-way plug valve 13 and hot water passageway 12.1 pipe connection, evaporimeter 25 and the 26 pipe connection of eighth three-way plug valve, hollow fiber membrane solution dehumidifier 34 and drying device 37 constitute closed circuit through the pipe connection set up high temperature condenser 36 in the pipeline between drying device 37 and first fan 35 solar energy, photovoltaic, light and heat integration system A, solution circulation set up in living system B, two condensation heat pump circulation system C, embrane method dehumidification drying system D respectively: the solar energy, photovoltaic and photothermal integrated system power box 40, the solution circulation on-system power box 42, the double condensation heat pump circulation system power box 41 and the membrane dehumidification drying system power box 43, and the power storage device 39 is electrically connected with the solar energy, photovoltaic and photothermal integrated system power box 40, the solution circulation on-system power box 42, the double condensation heat pump circulation system power box 41 and the membrane dehumidification drying system power box 43 respectively.
A drying equipment working process based on membrane method dehumidification and regeneration multi-energy complementation is as follows:
the hot water outlet of the PV/T heat collecting plate 1 flows to the first three-way plug valve 2 to selectively shunt, and is respectively connected with the upper end inlet of the heat storage water tank 3 and the left end inlet of the fourth three-way plug valve 7 according to the proportion, the heat flow from the PV/T heat collecting plate firstly passes through the heat storage water tank 3 from top to bottom, the heat flow of the part flows to the fourth three-way plug valve 7 by the first circulating pump 6 according to the heat required by the system to selectively supplement the flow, and the heat flow is converged with the part directly flowing to the fourth three-way plug valve 7 to regenerate the solution. The right outlet of the fourth three-way plug valve 7 is connected with the left inlet of the fifth three-way plug valve 8. And the fifth three-way plug valve 8 is selectively shunted and is respectively connected with the upper inlet of the second circulating pump 10 and the left inlet of the low-temperature condenser 9 according to the proportion, and the lower outlet of the second circulating pump 10 and the lower outlet of the low-temperature condenser 9 are respectively connected with the left inlet and the upper inlet of the sixth three-way plug valve 11 for confluence. After the solution is heated, the part of the flow is selectively returned to the heat storage water tank 3 through the second backwater water pump 14 or flows to the second three-way plug valve 4 through the third three-way plug valve 13 according to the water temperature, the residual heat flow is returned to the PV/T heat collection plate 1 through the fourth three-way plug valve 7 and the first backwater water pump 5 for continuous circulation, part of the electricity generated by the PV/T heat collection plate 1 is directly supplied to electric equipment such as a circulating water pump, a backwater water pump, a fan, a compressor and the like in the system, and the other part of the electricity is stored by the electricity storage device 39. The positive pole of the accumulator unit 39 is connected to the negative pole of the PV/T collector panel 1.
The solar photovoltaic photo-thermal integrated system circulation loop is formed by the processes, heat flow from a sixth three-way plug valve 11 firstly flows through a hot water channel of a multi-effect membrane distillation regeneration device 12, after heating of dilute solution from a dilute solution storage tank 15 is completed, the heated dilute solution returns to a third three-way plug valve 13, the dilute solution is heated in a solution channel 1 under the action of steam pressure difference, high-temperature steam penetrates through a semipermeable membrane to reach a steam channel 1, the dilute solution and the steam flow to a next channel solution channel 2 and the steam channel 2 through a second solution peristaltic pump 17 and a steam circulating pump 18 respectively to continue heat and mass transfer, the high-temperature steam after heat transfer is conveyed by a seventh three-way plug valve 20 and is condensed by an air cooler 21 and then discharged. And the solution which is concentrated and regenerated is discharged from the multi-effect membrane distillation regeneration device 12 by a fourth solution peristaltic pump 22 and is cooled by an evaporator 25. Similarly, there is a selective split at the eighth three-way stopcock 26 to be sent proportionally to the concentrated solution tank 27, the ninth three-way stopcock 31. Finally, after the gas to be dried is dehumidified isothermally in the hollow fiber membrane solution dehumidifier 34, the solution after moisture absorption is sent to the dilute solution storage tank 15 by the seventh solution peristaltic pump 28 for the next cycle, and the above process constitutes a solution circulation in-situ system circulation loop.
Dilute solution accumulator tank 15's the export of the dilute solution of low temperature dehumidification is connected through first solution peristaltic pump 16 and the 12 hot water passageway entry of multiple-effect membrane distillation regenerating unit, low temperature condenser 9 is liquid-liquid heat exchanger, and air cooler 21 is gas-liquid heat exchanger, shell side is walked for the air in the hollow fiber membrane solution dehumidifier 34, and the hollow fiber membrane tube bank of tube side is walked for the regeneration solution through the dehumidification, membrane in multiple-effect membrane distillation regenerating unit 12 and the hollow fiber membrane solution dehumidifier 34 is polyolefin membrane, polyester membrane or polyimide class membrane, the dehumidification solution is lithium bromide solution, lithium chloride solution or mixed salt solution.
In the solution circulation in the raw system circulation, the gas is dried by the above-described hollow fiber membrane solution dehumidifier 34. An air return port and an air outlet are arranged on the pipe shell of the hollow fiber membrane solution dehumidifier 34, the concentrated solution from the concentrated solution storage tank 27 is used for dehumidifying the air with certain humidity in the hollow fiber membrane solution dehumidifier 34, the air is conveyed to one side of the high-temperature condenser 36 by the first fan 35, and the low-temperature drying gas and the high-temperature high-pressure refrigerant steam exchange heat in the high-temperature condenser 36 to obtain the high-temperature drying gas. The high temperature drying gas processes the material in the drying device 37 to reduce the moisture content of the material, and the high temperature and high humidity gas is obtained. And then, the high-temperature and high-humidity gas is discharged by a second fan 38, enters the tube shell through the air return opening of the hollow fiber membrane solution dehumidifier 34, and is dehumidified again, and the above steps are repeated, so that a membrane-method dehumidification drying system circulation loop is formed, the first fan 35 adopts a high-temperature-resistant fan, the high-temperature condenser 36 is a gas-liquid heat exchanger, and the drying device 37 is provided with a lower air inlet and an upper air outlet.
Double condensing heat pump system circulation loop: the high-temperature high-pressure refrigerant steam exhaust port of the compressor 33 is sequentially connected with the inlets of the high-temperature condenser 36, the four-way reversing valve 23, the low-temperature condenser 9 and the evaporator 25 through refrigerant pipelines, the high-temperature high-pressure refrigerant steam enters the high-temperature condenser 36, low-temperature dry air in the high-temperature condenser 36 and an air pipe exchanges heat to obtain high-temperature high-pressure refrigerant steam and high-temperature dry air, the high-temperature high-pressure refrigerant steam enters the low-temperature condenser 9, water in the low-temperature condenser 9 and a water loop exchange heat to obtain low-temperature high-pressure refrigerant steam and high-temperature water, the low-temperature high-pressure refrigerant of the low-temperature condenser 9 is connected to the throttling device 24 to be subjected to pressure reduction treatment, the diameter of the pipe in the throttling device 24 is enlarged to obtain low-temperature low-pressure refrigerant, and finally the low-temperature low-pressure refrigerant is conveyed to the compressor 33 to be subjected to temperature rise and compression to complete the cycle.
Controlling a first three-way plug valve 2 to close a passage from the first three-way plug valve 2 to a 7 section of a fourth three-way plug valve, so that heated hot water of a PV/T heat collection plate 1 directly flows into a heat storage water tank 3 for heat energy storage, adjusting and arranging the fourth three-way plug valve 7, a fifth three-way plug valve 8, closing the passage from the fourth three-way plug valve 7 to the 2 section of the first three-way plug valve, and a passage from the fifth three-way plug valve 8 to a low-temperature condenser 9 section, wherein the hot water is connected with an inlet of a first circulating pump 6 through an outlet at the right end of the heat storage water tank 3, an outlet of the first circulating pump 6 directly flows into a fourth three-way plug valve 7, the fifth three-way plug valve 8, a second circulating pump 10 and a sixth three-way plug valve 11 directly flow into a multi-effect membrane distillation regeneration device 12, so that a high-temperature water source enters a hot water passage (first) of the multi-effect membrane distillation regeneration device 12 to transfer heat to a solution passage, and after the heat transfer is completed, and controlling a third three-way plug valve 13, closing a passage from the third three-way plug valve 13 to a second return water pump 14, and connecting an outlet of the third three-way plug valve 13 with an inlet of the first return water pump 5 to enable hot water to return to the PV/T heat collecting plate 1 through the first return water pump 5. After being heated, the dilute solution from the dilute solution storage tank 15 passes through the solution channel 1 and then passes through the second solution peristaltic pump 17, the third solution peristaltic pump 19 and the fourth solution peristaltic pump 22 which are next to the solution channel, meanwhile, the vapor permeated by the membrane enters the vapor channel 1, and the high-temperature vapor after multi-effect heat exchange passes through the next vapor circulating pump 18 and is cooled and discharged in the air cooler 21. At this time, the four-way reversing valve 23 is in a state of being directly connected with the outlet of the high-temperature condenser 36 and the inlet of the throttling device 24, and high-temperature high-pressure refrigerant steam in the high-temperature condenser 36 in the heat pump circulation loop is directly decompressed in the throttling device 24 through the four-way reversing valve 23 to obtain low-temperature low-pressure refrigerant. The liquid refrigerant in the evaporator is evaporated under the required low pressure, and the solution after being concentrated and regenerated is cooled to obtain the low-temperature concentrated solution with stronger dehumidification capacity.
And closing the path from the eighth three-way plug valve 26 to the hollow fiber membrane solution dehumidifier 34, so that the concentrated and regenerated solution in the multi-effect membrane distillation regeneration device 12 enters the concentrated solution storage tank 27, performing chemical energy storage in the form of solution concentration difference, simultaneously controlling the ninth three-way plug valve 31, closing the path from the ninth three-way plug valve 31 to the eighth three-way plug valve 26, and pumping the solution into the hollow fiber membrane solution dehumidifier 34 under the action of the sixth solution peristaltic pump 32. Finally, the gas is dried in the hollow fiber membrane solution dehumidifier 34. The low-temperature dry gas and the high-temperature high-pressure refrigerant vapor are sent to one side of the high-temperature condenser 36 by the first fan 35, and heat exchange is carried out in the high-temperature condenser 36 between the low-temperature dry gas and the high-temperature high-pressure refrigerant vapor to obtain high-temperature dry gas. The high temperature drying gas processes the material in the drying device 37 to reduce the moisture content of the material, and the high temperature and high humidity gas is obtained. Then the high-temperature and high-humidity gas is discharged by the second fan 38, enters the tube shell through the air return opening of the hollow fiber membrane solution dehumidifier 34, is dehumidified again, and the steps are repeated in a circulating way. The system circulating pump, the backwater water pump, the compressor, the fan and other electric devices are all driven by 39.
And closing the passage from the first three-way plug valve 2 to the heat storage water tank 3, adjusting and setting the fifth three-way plug valve 8, and closing the passage from the fifth three-way plug valve 8 to the sixth three-way plug valve 11, so that the PV/T heat collection plate 1 heats hot water and the hot water from the heat storage water tank 3 is converged through the first three-way plug valve 2 and the fourth three-way plug valve 7. The heat is exchanged with the high-temperature high-pressure refrigerant in the low-temperature condenser 9 through the fifth three-way plug valve 8, and high-temperature hot water is obtained. And then enters a hot water channel (i) of the multi-effect membrane distillation regeneration device 12 through a sixth three-way plug valve 11 to transfer heat to a channel solution channel 1, and after the heat transfer is completed, a 4-section channel from the third three-way plug valve 13 to the second three-way plug valve is closed, so that the outlet of the third three-way plug valve 13 is connected with the inlet of a second return water pump 14, and hot water returns to the heat storage water tank 3 through the second return water pump 14. The dilute solution from the dilute solution storage tank 15 passes through the solution channel 1 and the second solution peristaltic pump 17, the third solution peristaltic pump 19 and the fourth solution peristaltic pump 22 of the solution peristaltic pump, and the vapor permeated by the membrane enters the vapor channel 1 and is cooled and discharged in the air cooler 21 through the vapor circulating pump 18 and the high-temperature vapor subjected to multi-effect heat exchange.
At the moment, the four-way reversing valve 23 is in a state of simultaneously connecting the outlet of the high-temperature condenser 36 with the inlet of the low-temperature condenser 9 and the outlet of the low-temperature condenser 9 with the inlet of the throttling device 24, high-temperature high-pressure refrigerant steam in the high-temperature condenser 36 in the heat pump circulation loop directly passes through the four-way reversing valve 23 to enter the low-temperature condenser 9 for further heat release, and is depressurized in the throttling device 24 to obtain low-temperature low-pressure refrigerant, so that liquid refrigerant in the evaporator is evaporated under required low pressure, the solution after being concentrated and regenerated is cooled, and the low-temperature concentrated solution with stronger dehumidification capacity is obtained.
Closing the path from the eighth three-way plug valve 26 to the section 27 of the concentrated solution storage tank, so that the concentrated and regenerated solution in the multi-effect membrane distillation regeneration device 12 enters the ninth three-way plug valve 31, closing the path from the ninth three-way plug valve 31 to the section 26 of the eighth three-way plug valve, enabling the concentrated solution storage tank 27 to be combined with the concentrated and regenerated solution in the multi-effect membrane distillation regeneration device 12 under the action of the fifth solution peristaltic pump 30, pumping the solution into the hollow fiber membrane dehumidifier 34 under the action of the sixth solution peristaltic pump 32, drying the gas in the hollow fiber membrane dehumidifier 34, conveying the gas to one side of the high-temperature condenser 36 by the first fan 35, and exchanging heat between the low-temperature drying gas and the high-temperature high-pressure refrigerant steam in the high-temperature condenser 36 to obtain the high-temperature drying gas. The high temperature drying gas processes the material in the drying device 37, reduces the humidity of the material to obtain high temperature and high humidity gas, the high temperature and high humidity gas is discharged by the second fan 38, enters the tube shell through the air return inlet of the hollow fiber membrane solution dehumidifier 34, is dehumidified again, and the steps are repeated in this way. The system circulating pump, the backwater water pump, the compressor, the fan and other electric devices are all driven by 39.
The method comprises the steps of closing a passage from a PV/T heat collection plate 1 to a first three-way plug valve 2, controlling a fourth three-way plug valve 7, closing a passage from the first three-way plug valve 2 to the fourth three-way plug valve 7, closing a passage from a fifth three-way plug valve 8 to a sixth three-way plug valve 11, adjusting and setting the sixth three-way plug valve 11, and closing a passage from the sixth three-way plug valve 11 to the fifth three-way plug valve 8, so that heated hot water passes through a first circulating pump 6, the fourth three-way plug valve 7 and the fifth three-way plug valve 8 from a heat storage water tank 3, exchanges heat with a high-temperature high-pressure refrigerant in a low-temperature condenser 9 to obtain high-temperature hot water, and enters a hot water channel (i) of a multi-effect membrane distillation regeneration device 12 through the sixth three-way plug valve 11 to transfer the heat to a channel solution channel 1 (ii). After the heat transfer is finished, the passage from the third three-way plug valve 13 to the 4 sections of the second three-way plug valve is closed, so that the hot water returns to the heat storage water tank 3 through the second return water pump.
After being heated, the dilute solution from the dilute solution storage tank 15 passes through the solution channel 1, and then the second solution peristaltic pump 17, the third solution peristaltic pump 19 and the fourth solution peristaltic pump 22 of the solution peristaltic pump which follow the solution peristaltic pumps, meanwhile, the steam permeated by the membrane enters the steam channel 1, and the high-temperature steam after multi-effect heat exchange is cooled and discharged in the air cooler 21 through the following steam circulating pump 18, the four-way reversing valve 23 is in a state of simultaneously connecting the outlet of the high-temperature condenser 36 and the inlet of the low-temperature condenser, and the outlet of the low-temperature condenser 9 and the inlet of the throttling device 24, the high-temperature high-pressure refrigerant steam in the high-temperature condenser 36 in the heat pump circulation loop directly enters the low-temperature condenser 9 through the four-way reversing valve 23 to further release heat, and is depressurized in the throttling device 24, and then the low-temperature low-pressure refrigerant is obtained. The liquid refrigerant in the evaporator is evaporated under the required low pressure, and the solution after being concentrated and regenerated is cooled to obtain the low-temperature concentrated solution with stronger dehumidification capacity.
And closing the eighth three-way cock and a path from 26 to the section of the concentrated solution storage tank 27, so that the concentrated and regenerated solution in the multi-effect membrane distillation regeneration device 12 enters a ninth three-way cock 31, controlling the ninth three-way cock 31, and closing the path from the ninth three-way cock 31 to the section of the eighth three-way cock 26, so that the concentrated solution storage tank 27 is converged with the concentrated and regenerated solution in the multi-effect membrane distillation regeneration device 12 under the action of the fifth solution peristaltic pump 30, and is pumped into the hollow fiber membrane solution dehumidifier 34 under the action of the sixth solution peristaltic pump 32.
And finally, drying the gas in a hollow fiber membrane solution dehumidifier 34, conveying the gas to one side of a high-temperature condenser 36 by a first fan 35, performing heat exchange between the low-temperature dried gas and high-temperature high-pressure refrigerant steam in the high-temperature condenser 36 to obtain high-temperature dried gas, and processing the material by the high-temperature dried gas in a drying device 37 to reduce the moisture content of the material to obtain the high-temperature high-humidity gas. Then, the high-temperature and high-humidity gas is discharged by the second fan 38, enters the tube shell through the air return inlet of the hollow fiber membrane solution dehumidifier 34, is dehumidified again, and is circulated in the above way; the system circulating pump, the backwater water pump, the compressor, the fan and other electric devices are all driven by the electric storage device 39. When the solar radiation is weak, the heat collected by the PV/T heat collecting plate 1 is not enough to meet the requirement of the system operation, and the energy is supplied by the electric heat storage device. In very special cases, no solar radiation is close to zero. The energy supply of the system is completely from the energy storage device heat storage water tank 3, the concentrated solution storage tank 27 and the electric storage device 39.
The circulating pump, the backwater water pump, the compressor, the fan, the PV/T heat collection plate and the three-way plug valve of the system in the application are all market selling products which can be purchased in the prior art.
The foregoing is considered as illustrative and not restrictive of the preferred forms of the invention, and it is understood that various changes and modifications may be made therein by those skilled in the art without departing from the spirit of the invention, and equivalents thereof are to be considered within the scope of the invention.
Claims (6)
1. A drying device based on membrane method dehumidification and regeneration multi-energy complementation is characterized by comprising: the system comprises a solar photovoltaic photo-thermal integrated system (A), a solution circulating in-situ system (B), a double-condensation heat pump circulating system (C) and a membrane dehumidification drying system (D);
the solar photovoltaic photo-thermal integrated system (A) comprises: PV/T heat collection plate (1), first three-way plug valve (2), heat storage water tank (3), second three-way plug valve (4), first return water pump (5), first circulating pump (6), fourth three-way plug valve (7), third three-way plug valve (13), second return water pump (14), power storage device (39), PV/T heat collection plate (1) and heat storage water tank (3) between through the tube coupling constitute closed circuit PV/T heat collection plate (1) and heat storage water tank (3) between one end connecting tube set up first three-way plug valve (2), heat storage water tank (3), first circulating pump (6), fourth three-way plug valve (7) and first three-way plug valve (2) loop through the tube coupling constitute closed circuit PV/T heat collection plate (1) and heat storage water tank (3) between the other end connecting tube set up second three-way plug valve (4), a first backwater water pump (5) is arranged on a connecting pipeline between the PV/T heat collection plate (1) and the second three-way plug valve (4), the heat storage water tank (3), the third three-way plug valve (13), the second backwater water pump (14) and the second three-way plug valve (4) are sequentially connected through pipelines to form a closed loop, and the PV/T heat collection plate (1) is electrically connected with the power storage device (39);
the solution circulating in-situ system (B) comprises: a fifth three-way plug valve (8), a second circulating pump (10), a sixth three-way plug valve (11), a multi-effect membrane distillation regeneration device (12), a dilute solution storage tank (15), a first solution peristaltic pump (16), a second solution peristaltic pump (17), a steam circulating pump (18), a third solution peristaltic pump (19), a seventh three-way plug valve (20), an air cooler (21), a fourth solution peristaltic pump (22), an eighth three-way plug valve (26), a concentrated solution storage tank (27), a seventh solution peristaltic pump (28), a fifth solution peristaltic pump (30), a seventh three-way plug valve (31), a sixth solution peristaltic pump (32) and a hollow fiber membrane solution dehumidifier (34), wherein the multi-effect membrane distillation regeneration device (12) is provided with a hot water channel (12.1), a first solution channel (12.2), a first steam channel (12.3), Second solution passageway (12.4), second steam passageway (12.5), third solution passageway (12.6), third steam passageway (12.7) first solution passageway (12.2) sets up second solution peristaltic pump (17) with second solution passageway (12.4) connecting pipeline set up steam circulating pump (18) on first steam passageway (12.3) and second steam passageway (12.5) connecting pipeline set up third solution peristaltic pump (19) on second solution passageway (12.4) and third solution passageway (12.6) connecting pipeline set up seventh stop cock (20) on second steam passageway (12.5) and third steam passageway (12.7) connecting pipeline set up second circulating pump (10) on fifth stop cock (8) and sixth stop cock (11) connecting pipeline, sixth stop cock (11) and hot water passageway (12.1) pass through the tube coupling, a seventh solution peristaltic pump (28), an air cooler (21), a dilute solution storage tank (15) and a first solution peristaltic pump (16) are sequentially arranged on a connecting pipeline of the hollow fiber membrane solution dehumidifier (34) and the hot water channel (12.1), the air cooler (21) is connected with a seventh three-way plug valve (20) through a pipeline, the concentrated solution storage tank (27), the fifth solution peristaltic pump (30), the seventh three-way plug valve (31) and the eighth three-way plug valve (26) are sequentially connected through a pipeline, and a sixth solution peristaltic pump (32) is arranged on a connecting pipeline between the hollow fiber membrane solution dehumidifier (34) and the seventh three-way plug valve (31);
the double-condensation heat pump circulating system (C) comprises: the system comprises a low-temperature condenser (9), a four-way reversing valve (23), a throttling device (24), an evaporator (25), a compressor (33) and a high-temperature condenser (36), wherein the four-way reversing valve (23) is arranged on a connecting pipeline between the low-temperature condenser (9) and the throttling device (24), the throttling device (24) is connected with the evaporator (25) through a pipeline, the compressor (33) is arranged on the connecting pipeline between the evaporator (25) and the high-temperature condenser (36), and the four-way reversing valve (23) is arranged on the connecting pipeline between the high-temperature condenser (36) and the low-temperature condenser (9);
the membrane method dehumidification drying system (D) comprises: the drying device comprises a third fan (29), a first fan (35), a drying device (37) and a second fan (38), wherein the second fan (38) and the third fan (29) are sequentially arranged on an outlet pipeline of the drying device (37), and the first fan (35) is arranged on the outlet pipeline of the drying device (37);
fourth three-way plug valve (7), fifth three-way plug valve (8) and low temperature condenser (9) tube coupling in proper order, low temperature condenser (9) and sixth three-way plug valve (11) tube coupling, third three-way plug valve (13) and hot water passageway (12.1) tube coupling, evaporimeter (25) and eighth three-way plug valve (26) tube coupling, hollow fiber membrane solution dehumidifier (34) and drying device (37) constitute closed loop through the tube coupling set up high temperature condenser (36) in the pipeline between drying device (37) and first fan (35).
2. The drying equipment based on membrane method dehumidification and regeneration multi-energy complementation of claim 1, wherein the solar photovoltaic photo-thermal integrated system (A), the solution circulating in-situ generation system (B), the double condensation heat pump circulating system (C) and the membrane method dehumidification and drying system (D) are respectively provided with: the solar photovoltaic photo-thermal integrated system power box (40), the solution circulation on-site system power box (42), the double-condensing heat pump circulation system power box (41) and the membrane dehumidification drying system power box (43), wherein the power storage device (39) is respectively and electrically connected with the solar photovoltaic photo-thermal integrated system power box (40), the solution circulation on-site system power box (42), the double-condensing heat pump circulation system power box (41) and the membrane dehumidification drying system power box (43).
3. The drying equipment based on membrane method dehumidification and regeneration multi-energy complementation of claim 1, wherein the low-temperature condenser (9) is a water-cooling heat exchanger, the air cooler (21) is a gas-liquid heat exchanger, and the high-temperature condenser (36) is an air-cooling heat exchanger.
4. The drying equipment for dehumidification and regeneration based on membrane process is complementary to that of claim 1, wherein the membrane in the multi-effect membrane distillation regeneration device (12) is polyolefin membrane, polyester membrane or polyimide membrane.
5. The drying equipment for dehumidification and regeneration based on membrane process as claimed in claim 1, wherein the membrane in the hollow fiber membrane solution dehumidifier (34) is polyolefin membrane, polyester membrane or polyimide membrane.
6. The drying equipment for dehumidification and regeneration based on membrane process as claimed in claim 1, wherein a wet solution is an ionic solution, a lithium bromide, a lithium chloride single salt solution or a mixed salt solution thereof, and is arranged in the hollow fiber membrane solution dehumidifier (34).
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997357A (en) * | 2012-11-28 | 2013-03-27 | 河南科技大学东海硅产业节能技术研究院 | Absorption refrigeration and solution dehumidification air-conditioning system based on solar heat recovery |
| CN103265158A (en) * | 2013-05-23 | 2013-08-28 | 南京师范大学 | Method for dehumidifying and drying sludge by use of solar energy-heat pump coupling solution |
| CN104236283A (en) * | 2013-06-09 | 2014-12-24 | 浙江海洋学院 | Heat pump drying device |
| US20160069329A1 (en) * | 2013-05-28 | 2016-03-10 | Peterbrod Corp. | Advanced solar thermally driven power system and method |
| CN105841272A (en) * | 2016-04-07 | 2016-08-10 | 西安交通大学 | Temperature and humidity independent control type air-conditioning system driven by solar energy |
| CN108954575A (en) * | 2018-05-16 | 2018-12-07 | 东南大学 | Cooling and dehumidifying system is evaporated based on the regenerated multistage dew point of pressure reducing film distillation |
-
2021
- 2021-11-23 CN CN202111398456.4A patent/CN114146539A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997357A (en) * | 2012-11-28 | 2013-03-27 | 河南科技大学东海硅产业节能技术研究院 | Absorption refrigeration and solution dehumidification air-conditioning system based on solar heat recovery |
| CN103265158A (en) * | 2013-05-23 | 2013-08-28 | 南京师范大学 | Method for dehumidifying and drying sludge by use of solar energy-heat pump coupling solution |
| US20160069329A1 (en) * | 2013-05-28 | 2016-03-10 | Peterbrod Corp. | Advanced solar thermally driven power system and method |
| CN104236283A (en) * | 2013-06-09 | 2014-12-24 | 浙江海洋学院 | Heat pump drying device |
| CN105841272A (en) * | 2016-04-07 | 2016-08-10 | 西安交通大学 | Temperature and humidity independent control type air-conditioning system driven by solar energy |
| CN108954575A (en) * | 2018-05-16 | 2018-12-07 | 东南大学 | Cooling and dehumidifying system is evaporated based on the regenerated multistage dew point of pressure reducing film distillation |
Non-Patent Citations (3)
| Title |
|---|
| PATEL, KK: "Heat pump assisted drying of agricultural produce-an overview", JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE, vol. 49, no. 2, pages 142 - 160, XP055496428, DOI: 10.1007/s13197-011-0334-z * |
| 熊慧灵等: "太阳能-溶液-热泵干燥系统节能分析", 建筑节能, vol. 43, no. 5, pages 56 - 60 * |
| 苏伟: "换热器表面抑霜/除霜技术研究进展", 工程热物理学报, vol. 42, no. 9, pages 2195 - 2215 * |
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Application publication date: 20220308 |