CN109019733A - Single packed tower humidification heat pump solution concentration systems and method - Google Patents
Single packed tower humidification heat pump solution concentration systems and method Download PDFInfo
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- CN109019733A CN109019733A CN201810742580.XA CN201810742580A CN109019733A CN 109019733 A CN109019733 A CN 109019733A CN 201810742580 A CN201810742580 A CN 201810742580A CN 109019733 A CN109019733 A CN 109019733A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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Abstract
A kind of list packed tower humidification heat pump solution concentration systems and method, belong to energy-saving field.The system includes condenser (2), sea water pump (3), packed tower (7), blower (9), heat exchanger (10), gas-liquid separator (11), fresh water tank (13), water circulating pump (14), evaporator (15), compressor (17), throttle valve (19).The heat that the system utilizes condenser (2) to release, heats total seawater (1)；High temperature air (6) is condensed using the cooling capacity of evaporator (15), this improves the system circulation thermal efficiency；In addition humidification and dehumidification process occur respectively in packed tower (7) and heat exchanger (10) for air, this process has many advantages, such as that scaleable, equipment investment and operating cost are moderate, require low, device to be conducive to miniaturization using Lowlevel thermal energy, technical level, so the system is more energy saving compared with conventional system.
Description
Technical field
The present invention relates to single packed tower humidification heat pump solution concentration systems and methods, belong to energy-saving field.
Technical background
With the shortage of freshwater resources, desalination technology is increasingly subject to the attention of every country, and current many countries are
Through using sea water desalination as the key technology for solving the problems, such as shortage of fresh water.
Sea water desalination is that the process of salinity and moisture separation in seawater is finally obtained fresh water and concentration salt water, mainly
Traditional method for desalting seawater have hyperfiltration, way of distillation etc..Wherein hyperfiltration refers to applying ratio in the raw water side of film
Solution osmotic pressure high ambient pressure when raw water penetrates semi-permeable membrane, only allows water to penetrate, other substances cannot be penetrated and are trapped
In the process of film surface.But in hyperfiltration, the pre-processing requirements of seawater are stringent, and raw water utilization rate only has 75-80%,
High-tension apparatus is additionally needed, film wants periodic cleaning, and cleaning charge is higher.The way of distillation is commonly used for being separation, purifying liquid mixing
Object, but there is energy consumption height in traditional way of distillation, economic benefit is low and apparatus structure is complicated, and operation operation is difficult, heat exchange efficiency
The problems such as low.
Humidification dehumidifying method for desalting seawater is the hot spot studied at present, and principle is that evaporation of seawater is gone out to vapor, then
It is condensed out pure fresh water, and scaleable, equipment investment and operating cost are moderate, want using Lowlevel thermal energy, technical level
Low, device is asked to be conducive to miniaturization, which is considered as the most method of prospect in sea water desalination.
Heat pump system due to its COP higher, it is high-efficient the advantages that, be widely used in the industry.And system ring
It ensures safety, without combustion process, avoids smoke-discharging pollution.
Summary of the invention
It is an object of the invention to which heat pump system and humidification dehumidifying desalination method are integrated, and propose a kind of using empty
Gas carries the difference of wet ability at different temperatures, carries out direct contact type heat and mass using packed tower, reduces singly filling out for energy consumption
Expect tower humidification heat pump solution concentration systems and method.
The system includes condenser, sea water pump, packed tower, blower, heat exchanger, gas-liquid separator, fresh water tank, recirculated water
Pump, evaporator, compressor, throttle valve.Condenser includes hot side import, hot side outlet, cold side import and cold side outlet port；Evaporator
Including hot side import, hot side outlet, cold side import and cold side outlet port；Packed tower includes total sea intake, concentrated seawater outlet, low temperature
Air intlet and high temperature air outlet；Heat exchanger includes hot side import, hot side outlet, cold side import, cold side outlet port；Gas-liquid separation
Device includes upper inlet, lower outlet, gas vent；Condenser hot side outlet is connected by throttle valve with evaporator cold side import, steams
Hair device cold side outlet port is connected with compressor inlet, and compressor outlet is connected with condenser hot side import, so on circulate；Condensation
Device cold side outlet port is connected with total sea intake of packed tower, connected and sea water pump behind the outlet of packed tower concentrated seawater and new sea water mixing
Import, seawater pump discharge are connected with the cold side import of condenser, and packed tower high temperature air exports the hot side import phase with heat exchanger
Even, exchanger heat side outlet is connected with the upper inlet of gas-liquid separator, and the gas vent of gas-liquid separator passes through air pump and filler
Tower Cryogenic air import is connected, and liquid outlet is connected with fresh water tank；Heat exchanger cold side outlet port passes through water circulating pump and evaporator
Hot side import is connected, and evaporator hot side outlet is connected with heat exchanger cold side import；
Single packed tower humidification heat pump solution concentration systems and method, it is characterised in that including following procedure: refrigerant is logical
After the pressurization of overcompression machine, enters its hot end from condenser hot side import, heat is transmitted to the seawater of its cold end, the refrigeration after cooling
Agent is passed through throttle valve throttling again, enters its cold end by pervaporation device cold side import, carries out heat exchange with the cold water in its hot end, cold
But the cold water in hot end, after be recycled into compressor；New seawater and concentrated seawater are mixed into total seawater, and total seawater pressurizes by sea water pump
Afterwards, enter its cold end from condenser cold side import, carry out heat exchange with the refrigerant in its hot end, total seawater heat absorption heating is rear logical
The total sea intake for crossing packed tower enters packed tower；Cryogenic air enters packed tower from Cryogenic air import, Cryogenic air and total
Seawater is mixed, and due to the hygroscopicity of Cryogenic air, carries out moisture absorption reaction to total seawater, total seawater is concentrated, and obtains dense sea
Water, concentrated seawater are passed through sea water pump and are recycled；When extra large water shortage, it is passed through new seawater, guarantees that system operates normally；Low temperature
Air becomes the high temperature air containing vapor, and high temperature air is exported from the high temperature air of packed tower to flow out, from the heat of heat exchanger
Side-entrance enters its hot end, carries out heat exchange with the cold water of its cold end, high temperature air is cooled down, and moisture, air and liquid are condensed out
State aqueous mixtures enter gas-liquid separator using gas-liquid separator upper inlet, are separated into two parts, are Cryogenic air respectively
And fresh water, Cryogenic air is flowed out from the gas vent of gas-liquid separator, after blower pressurizes, again from packed tower Cryogenic air
Import enters packed tower, reciprocation cycle；Fresh water is flowed out from the lower outlet of gas-liquid separator, is stored into fresh water tank；Cold water is from steaming
The hot side import for sending out device enters its hot side, carries out heat exchange with the refrigerant of its cold side, absorbs the cooling capacity of cold side, and temperature reduces,
It is flowed out afterwards from its hot side outlet, enters its cold end by the cold side import of heat exchanger, the high temperature that cooling capacity is passed to its hot side is empty
Gas makes it be condensed out fresh water, and then cold water is flowed out from its cold side outlet port, into water circulating pump, so on circulate；
For the system, the heat that seawater utilization condenser is released, which absorbs heat, to heat up, and cold water utilizes the cooling capacity of evaporator, condensing heat-exchange
High temperature air in device, and then fresh water is obtained, this improves the thermal efficiency of total system；In addition, for air, in packed tower
Moisture absorption reaction occurs for the middle moisture for absorbing seawater, will obtain fresh water further through condensation in heat exchanger, and occur to remove wet reaction, mistake
The available fresh water of journey, and system scale flexibly, equipment investment and operating cost is moderate and device minimizes, save the cost.
Detailed description of the invention
The mono- packed tower humidification heat pump solution concentration systems of Fig. 1 and method.
Figure label title: 1, total seawater, 2, condenser, 3, sea water pump, 4, new seawater, 5, concentrated seawater, 6, high temperature air,
7, packed tower, 8, Cryogenic air, 9, blower, 10, heat exchanger, 11, gas-liquid separator, 12, fresh water, 13, fresh water tank, 14, circulation
Water pump, 15, evaporator, 16, cold water, 17, compressor, 18, refrigerant, 19, throttle valve.
Specific implementation method
1 illustrates that the list packed tower humidifies the operational process of heat pump solution concentration systems with reference to the accompanying drawings:
Start water circulating pump 14, cold water 16 enters the hot side of evaporator 15, carries out heat exchange with the refrigerant 18 of its cold side, absorbs
The cooling capacity of cold side, after from its hot side outlet flow out, into the cold end of heat exchanger 10, cooling capacity is passed to the high temperature air 6 of hot side,
So that it is condensed out fresh water 12, is then flowed out from its cold side outlet port, into water circulating pump 14, so on circulate.
Start sea water pump 3, new seawater 4 and concentrated seawater 5 are mixed into total seawater 1, and total seawater 1 pressurizes by sea water pump 3, enter
The cold end of condenser 2 carries out heat exchange with the refrigerant 18 in its hot end, and the total heat absorption of seawater 1 heating enters packed tower 7 afterwards, and low
Warm air 8 is mixed, and due to the hygroscopicity of Cryogenic air 8, moisture is absorbed, and total seawater 1 is concentrated, and obtains concentrated seawater 5, dense
Seawater 5 is passed through sea water pump 3, recycles；When extra large water shortage, it is passed through new seawater 4, guarantees that system operates normally.
Start blower 9, as above affiliated, Cryogenic air 8 enters packed tower 7, and dehumidification occurs with total seawater 1 and reacts, becomes
High temperature air 6, high temperature air 6 is exported from the high temperature air of packed tower 7 to flow out, into the hot end of heat exchanger 10, with its cold end
Cold water 16 carries out heat exchange, and temperature reduces, and is condensed out moisture, and air and liquid aqueous mixtures enter back into the progress of gas-liquid separator 11
Gas-liquid separation, isolates two parts, is Cryogenic air 8 and fresh water 12 respectively, and Cryogenic air 8 goes out from the gas of gas-liquid separator 11
Mouth outflow enters packed tower 7, reciprocation cycle from 7 dry air import of packed tower again after the pressurization of blower 9；Fresh water 12 is from gas
The lower outlet of liquid/gas separator 11 is flowed out, and is stored into fresh water tank 13.
Finally start compressor 17, into 2 hot end of condenser, heat to be passed after refrigerant 18 is pressurizeed by compressor 17
To the seawater of its cold end, the refrigerant 18 after cooling is passed through the throttling of throttle valve 19 again, into 15 cold end of evaporator, with its hot end
Cold water 16 carries out heat exchange, and the cold water 16 in cooling hot end enters compressor 4 by 4 import of compressor afterwards, so on circulate；
In ends with system operation, successively close compressor 17, blower 9, sea water pump 3 and water circulating pump 14, system is out of service.
Claims (2)
1. a kind of list packed tower humidifies heat pump solution concentration systems, it is characterised in that:
The system includes condenser (2), sea water pump (3), packed tower (7), blower (9), heat exchanger (10), gas-liquid separator
(11), fresh water tank (13), water circulating pump (14)；
Evaporator (15), compressor (17), throttle valve (19)；
Condenser (2) includes hot side import, hot side outlet, cold side import and cold side outlet port；
Evaporator (15) includes hot side import, hot side outlet, cold side import and cold side outlet port；
Packed tower (7) includes total sea intake, concentrated seawater outlet, Cryogenic air import and high temperature air outlet；
Heat exchanger (10) includes hot side import, hot side outlet, cold side import, cold side outlet port；
Gas-liquid separator (11) includes upper inlet, lower outlet, gas vent；
Condenser (2) hot side outlet is connected by throttle valve (19) with evaporator (15) cold side import, and evaporator (15) cold side goes out
Mouth is connected with compressor (17) import, and compressor (17) outlet is connected with condenser (2) hot side import, so on circulate；
Condenser (2) cold side outlet port is connected with total sea intake of packed tower (7), the outlet of packed tower (7) concentrated seawater and new seawater
(4) it is connected and sea water pump (3) import after mixing, sea water pump (3) outlet is connected with the cold side import of condenser (2),
The outlet of packed tower (7) high temperature air is connected with the hot side import of heat exchanger (10), heat exchanger (10) hot side outlet and gas-liquid
The upper inlet of separator (11) is connected, and the gas vent of gas-liquid separator (11) passes through air pump (9) and packed tower (7) Cryogenic air
Import is connected, and liquid outlet is connected with fresh water tank (13)；
Heat exchanger (10) cold side outlet port is connected by water circulating pump (14) with evaporator (15) hot side import, evaporator (15) hot side
Outlet is connected with heat exchanger (10) cold side import.
2. it is according to claim 1 list packed tower humidification heat pump solution concentration systems method, it is characterised in that including with
Lower process:
After refrigerant (18) is pressurizeed by compressor (17), enters its hot end from condenser (2) hot side import, heat is transmitted to it
The seawater of cold end, the refrigerant (18) after cooling are passed through throttle valve (19) throttling, enter it by evaporator (15) cold side import
Cold end carries out heat exchange with the cold water (16) in its hot end, the cold water (16) in cooling hot end, after be recycled into compressor (17)；
New seawater (4) and concentrated seawater (5) are mixed into total seawater (1), and total seawater (1) is after sea water pump (3) pressurize, from condenser
(2) cold side import enters its cold end, carries out heat exchange with the refrigerant (18) in its hot end, total seawater (1) heat absorption heating, after pass through
Total sea intake of packed tower (7) enters packed tower (7)；
Cryogenic air (8) enters packed tower (7) from Cryogenic air import, and Cryogenic air (8) is mixed with total seawater (1), by
Hygroscopicity in Cryogenic air (8) carries out moisture absorption reaction to total seawater (1), and total seawater (1) is concentrated, and obtains concentrated seawater (5),
Concentrated seawater (5) is passed through sea water pump (3) and is recycled；When extra large water shortage, new seawater (4) are passed through, guarantee system is normally transported
Row；Cryogenic air (8) becomes the high temperature air (6) containing vapor, and high temperature air (6) goes out from the high temperature air of packed tower (7)
Mouth outflow enters its hot end from the hot side import of heat exchanger (10), carries out heat exchange, high temperature air with the cold water (16) of its cold end
(6) it is condensed, obtains moisture, air and liquid aqueous mixtures using gas-liquid separator (11) upper inlet and enter gas-liquid separator
(11), two parts are separated into, are Cryogenic air (8) and fresh water (12) respectively, Cryogenic air (8) is from gas-liquid separator (11)
Gas vent outflow, after blower (9) pressurization, from packed tower (7), Cryogenic air import enters packed tower (7) again, back and forth
Circulation；Fresh water (12) is flowed out from the lower outlet of gas-liquid separator (11), is stored into fresh water tank (13)；
Cold water (16) enters its hot side from the hot side import of evaporator (15), carries out heat exchange with the refrigerant (18) of its cold side,
Absorb cold side cooling capacity, after from its hot side outlet flow out, by heat exchanger (10) cold side import enter its cold end, cooling capacity is passed
The high temperature air (8) for passing its hot side, is condensed out it fresh water (12), and rear cold water (16) is flowed out from its cold side outlet port, into following
Ring water pump (14), so on circulate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810742580.XA CN109019733A (en) | 2018-07-09 | 2018-07-09 | Single packed tower humidification heat pump solution concentration systems and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810742580.XA CN109019733A (en) | 2018-07-09 | 2018-07-09 | Single packed tower humidification heat pump solution concentration systems and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469521A (en) * | 2018-12-21 | 2019-03-15 | 南京航空航天大学 | Step recycles flue gas remaining hot water cogeneration system and working method |
| CN109751095A (en) * | 2019-01-16 | 2019-05-14 | 南京航空航天大学 | The water-electricity cogeneration system and working method of cascade utilization fume waste heat concentrate solution |
| CN109809514A (en) * | 2019-01-30 | 2019-05-28 | 浙江海洋大学 | A kind of heat pump sea water desalting apparatus using power plant cooling tower waste heat |
| CN110180208A (en) * | 2019-05-09 | 2019-08-30 | 南京航空航天大学 | Heat pump film evaporating, concentrating and crystallizing system and method based on thermal sensitivity deep-etching raw material |
| CN112939122A (en) * | 2021-01-26 | 2021-06-11 | 南京航空航天大学 | Cooling and dehumidifying type seawater desalination system with heat pump circulation and working method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201261726Y (en) * | 2008-05-09 | 2009-06-24 | 烟台大学 | Novel efficient heat pump sea water desalting apparatus |
| CN102583602A (en) * | 2012-03-30 | 2012-07-18 | 常熟南师大发展研究院有限公司 | Device and method for utilizing air to achieve sea water desalination |
| KR20120132035A (en) * | 2011-05-27 | 2012-12-05 | 대우조선해양 주식회사 | Dual Heat Pump System Using Chiller |
| WO2016003913A1 (en) * | 2014-06-30 | 2016-01-07 | Massachusetts Institute Of Technology | Thermal-energy-driven mechanical compression humidification-dehumidification water purification |
-
2018
- 2018-07-09 CN CN201810742580.XA patent/CN109019733A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201261726Y (en) * | 2008-05-09 | 2009-06-24 | 烟台大学 | Novel efficient heat pump sea water desalting apparatus |
| KR20120132035A (en) * | 2011-05-27 | 2012-12-05 | 대우조선해양 주식회사 | Dual Heat Pump System Using Chiller |
| CN102583602A (en) * | 2012-03-30 | 2012-07-18 | 常熟南师大发展研究院有限公司 | Device and method for utilizing air to achieve sea water desalination |
| WO2016003913A1 (en) * | 2014-06-30 | 2016-01-07 | Massachusetts Institute Of Technology | Thermal-energy-driven mechanical compression humidification-dehumidification water purification |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469521A (en) * | 2018-12-21 | 2019-03-15 | 南京航空航天大学 | Step recycles flue gas remaining hot water cogeneration system and working method |
| CN109751095A (en) * | 2019-01-16 | 2019-05-14 | 南京航空航天大学 | The water-electricity cogeneration system and working method of cascade utilization fume waste heat concentrate solution |
| CN109809514A (en) * | 2019-01-30 | 2019-05-28 | 浙江海洋大学 | A kind of heat pump sea water desalting apparatus using power plant cooling tower waste heat |
| CN110180208A (en) * | 2019-05-09 | 2019-08-30 | 南京航空航天大学 | Heat pump film evaporating, concentrating and crystallizing system and method based on thermal sensitivity deep-etching raw material |
| CN112939122A (en) * | 2021-01-26 | 2021-06-11 | 南京航空航天大学 | Cooling and dehumidifying type seawater desalination system with heat pump circulation and working method thereof |
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Application publication date: 20181218 |