CN105645492A - Miniature heat pump type seawater desalinating system with seawater evaporation device - Google Patents

Miniature heat pump type seawater desalinating system with seawater evaporation device Download PDF

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Publication number
CN105645492A
CN105645492A CN201610171102.9A CN201610171102A CN105645492A CN 105645492 A CN105645492 A CN 105645492A CN 201610171102 A CN201610171102 A CN 201610171102A CN 105645492 A CN105645492 A CN 105645492A
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CN
China
Prior art keywords
seawater
evaporation
room
pump type
heat transfer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610171102.9A
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Chinese (zh)
Inventor
赵力
赵东鹏
邵亚伟
刘楠
刘一楠
赵睿恺
邓帅
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Tianjin University
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Tianjin University
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Filing date
Publication date
Application filed by Tianjin University filed Critical Tianjin University
Priority to CN201610171102.9A priority Critical patent/CN105645492A/en
Publication of CN105645492A publication Critical patent/CN105645492A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08Seawater, e.g. for desalination
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/30Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37Wastewater or sewage treatment systems using renewable energies using solar energy

Abstract

The invention discloses a miniature heat pump type seawater desalinating system with a seawater evaporation device. The miniature heat pump type seawater desalinating system comprises a seawater chamber, a seawater evaporation chamber, a fresh water chamber and the seawater evaporation device, wherein the seawater evaporation device comprises a seawater trickling device and a heat exchange pipe; the seawater trickling device is positioned at the top part of the seawater evaporation chamber, and the heat exchange pipe is positioned under the seawater trickling chamber; a throttling device, an evaporator and a compressor are sequentially connected between the outlet end and the inlet end of the heat exchange pipe to form a heat pump circulating system; seawater is heated at the surface of the heat exchange pipe to evaporate, the produced steam is forced to be condensed on the evaporator, and the condensed heat is transferred into the seawater to be continuously evaporated through the heat pump circulation, so as to complete the seawater desalinating process. The miniature heat pump type seawater desalinating system has the advantages that the seawater evaporation device utilizes the seawater trickling device and a cloth material with good water absorbing property to enable the seawater to complete film-evaporation at the surface of the heat exchange pipe, the heat exchange coefficient is greater than that of other types of heat exchangers, and the size and weight of the seawater evaporation device are effectively reduced; in addition, the number of parts is fewer, the structure is simple, the cost is low, and the like.

Description

A kind of low profile thermal pump type seawater desalination system with evaporation of seawater device
Technical field
The present invention relates to a kind of seawater desalination system, particularly relate to a kind of heat-pump-type seawater desalination system with evaporation of seawater device.
Background technology
Water is the basis of life, and along with the development of society and the increase of population, water supply problem has become more and more serious. Compared to fresh water, the seawater resources on the earth enrich very much, become, in some area sea water desaltinations, the best method solving fresh water problem. And the development along with marine industries, the special occasions such as boats and ships, offshore drilling platform and island also face the problem of sea water desaltination, and people start the Miniature seawater desalination device paying close attention to energy high efficiency production fresh water, structure is simple, cost is low.
Heat pump type sea water desalination device due to its can the latent heat of phase change of recycle water, it is to increase capacity usage ratio, and system is relatively simple, meets miniaturization, high efficiency requirement, becomes the focus that people pay close attention to. Publication number is the patent of CN1562773A, discloses a kind of vertical small-sized sea water desaltination heat pump, utilizes coiled tube condenser to add hot sea water and make it evaporate, and water vapor condensation in roof evaporator becomes fresh water. But existing heat pump condensing temperature is generally at 50��70 DEG C, adopting the immersion interchanger coefficient of heat transfer lower, cannot effectively evaporate seawater, the efficiency that system produces fresh water is low. Meanwhile, in order to meet water production rate requirement, heat exchanger area needed for this system is relatively big, and this makes system bulk and weight increase, and is not suitable for portable system. Publication number is the patent of CN103043735A, discloses a kind of with the small-sized heat pump type sea water desalination device of jet aspirator and water jet air ejector, works due in the low pressure closed chamber that condenser is formed at aspirator, and evaporation of seawater effect improves. But owing to wanting air extracting seal, system component is many, structure is comparatively complicated, and system cost height is also not suitable for small-sized seawater desalination system.
Can find out more than comprehensive, existing relevant patent can not reach the requirement of idealized system mentioned above, namely can not meet following main points: (1) system high efficiency ground is through the heat exchange between row cycle fluid and seawater, water vapor, and system produces water efficiency height simultaneously; (2) system meets the requirement of miniaturization, convenient formula, simple and compact for structure, light weight.
Summary of the invention
For above-mentioned prior art, it is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of can high-efficiency evaporating seawater, structure is simple, volume is little, the small-sized seawater desalination system of light weight and method.
In order to solve the problems of the technologies described above, a kind of low profile thermal pump type seawater desalination system with evaporation of seawater device that the present invention proposes, comprise seawater room, evaporation of seawater room and freshwater room, described evaporation of seawater indoor are provided with evaporation of seawater device, described evaporation of seawater device comprises the seawater being positioned at top, described evaporation of seawater room and drips shower device and be positioned at described seawater and drip the coil-like heat transfer tube below shower device, described seawater drips shower device and is provided with hole of dripping, seawater evenly is dripped and drenches on heat transfer tube by described hole of dripping, and coated outside described heat transfer tube have water accepting layer; Coil-like heat transfer tube fits tightly between neighbouring two layers of heat transfer tube; It is connected with throttling set, vaporizer and compressor from the exit end of described heat transfer tube to the inlet end of described heat transfer tube in turn by pipeline, forms a heat pump circulating system; Described freshwater room is vapor condensation room, and it is indoor that described vaporizer is arranged on described vapor condensation, and described vapor condensation indoor are provided with the aerofoil fan for cooling described vaporizer; Separate with lagging material between described evaporation of seawater room and described vapor condensation room and it is connected with vapour passage.
Further, described throttling set adopts capillary pipe structure. Described vaporizer adopts finned heat exchanger. Described water accepting layer adopts the dry goods material with good water-absorbent. The bottom of described evaporation of seawater room is provided with concentrated seawater water port, and the top of described seawater room is provided with seawater and adds mouth, and the bottom of described seawater room is provided with water port, is provided with fresh water water port bottom described vapor condensation room.
Compared with prior art, the invention has the beneficial effects as follows:
The sea water evaporator of the novel texture that system of the present invention adopts, the coefficient of heat transfer is big, and vaporator rate is fast, system efficiency height. Whole system component is few, and structure is simple, and compact in design, volume is little, and weight is light, it is achieved that miniaturization, portability.
Accompanying drawing explanation
Fig. 1 is the low profile thermal pump type seawater desalination system schematic diagram of the present invention with evaporation of seawater device;
Fig. 2 is the partial schematic diagram of evaporation of seawater device in the present invention;
In figure: 1-concentrated seawater water port; 2-evaporation of seawater device (condenser); 3-evaporation of seawater room; 4-seawater drips shower device; 5-water port; 6-seawater room; 7-seawater adds mouth; 8-throttling set; 9-compressor; 10-vaporizer; 11-aerofoil fan; 12-vapor condensation room (freshwater room); 13-fresh water water port; 14-heat transfer tube; 15-water accepting layer; 16-drips hole.
Embodiment
Technical solution of the present invention being described in further detail below in conjunction with the drawings and specific embodiments, the present invention is only explained by described specific embodiment, not in order to limit the present invention.
As shown in Figure 1, a kind of low profile thermal pump type seawater desalination system with evaporation of seawater device that the present invention proposes, comprise seawater room 6, evaporation of seawater room 3 and freshwater room, seawater room 6 is positioned at the top of evaporation of seawater room 3, it is provided with evaporation of seawater device 2 in described evaporation of seawater room 3, described evaporation of seawater device 2 comprises the seawater being positioned at top, described evaporation of seawater room 3 and drips shower device 4 and be positioned at described seawater and drip the coil-like heat transfer tube 14 below shower device 4, described seawater drips shower device 4 and is provided with hole 16 of dripping, seawater is dripped shower device 4 and is adopted by multiple hole 16 of dripping and drip the mode drenched and evenly dripped by seawater and to pour on heat transfer tube 14, coated outside described heat transfer tube 14 have water accepting layer 15, described water accepting layer 15 adopts the dry goods material with good water-absorbent, slowing down the speed flowed under water while, can utilize dry goods material capillary effect that seawater is evenly distributed on heat transfer tube 14 surface and form liquid film, as shown in Figure 2, coil-like heat transfer tube 14 fits tightly between neighbouring two layers of heat transfer tube, can prevent from forming water droplet, interchanger overall volume can be reduced again, and there is the evaporation of film state on evaporation of seawater device 2 surface in seawater, evaporation effect is good.
It is connected with throttling set 8, vaporizer 10 and compressor 9 in turn by pipeline from the exit end of described heat transfer tube 14 to the inlet end of described heat transfer tube, namely the outlet of evaporation of seawater device 2 and the entrance of throttling set 8 connect, the outlet of throttling set 8 and the entrance of vaporizer 10 connect, the outlet of vaporizer 10 and the entrance of compressor 9 connect, the outlet of compressor 9 and the entrance of evaporation of seawater device 2 connect, and form a heat pump circulating system.
Described throttling set 8 adopts capillary pipe structure, to reduce device volume and weight. Described freshwater room is vapor condensation room 12, described vaporizer 10 is arranged in described vapor condensation room 12, the aerofoil fan 11 for cooling described vaporizer 10 it is provided with in described vapor condensation room 12, described vaporizer 10 adopts finned heat exchanger, and utilize aerofoil fan 11 to adopt and force cooling, simultaneously can also by uncooled water vapor circulating cooling again. Described compressor 9 adopts the portable compressor that can carry out variable working condition, and the energy-provision way of compressor 9 can be that solar panel is powered or other multiple power supply modes simultaneously, to adapt to the demand of different occasion.
Separate with lagging material between described evaporation of seawater room 3 and described vapor condensation room 12 and it is connected with vapour passage. The bottom of described evaporation of seawater room 3 is provided with concentrated seawater water port 1, is used for discharging the concentrated seawater of remaining after evaporation; The top of described seawater room 6 is provided with seawater and adds mouth 7, is used for adding seawater; The bottom of described seawater room 6 is provided with water port 5, is used for discharging remaining seawater or sewage; It is provided with fresh water water port 13 bottom described vapor condensation room 12, it is used for discharging the fresh water produced.
Below from the working process of working medium side and aspect, seawater side two illustrative system:
First, working medium side flowchart process, cycle fluid pressurizes through compressor 9 after heating up, enter in evaporation of seawater device (condenser) 2, release of heat adds hot sea water, throttle cooling through throttling set 8, then after evaporator 10 with evaporation of seawater, produce water vapor after row heat exchange, return to compressor 9, complete once to circulate. Cycle fluid constantly circulates in above compressor 9, evaporation of seawater device (condenser) 2, throttling set 8 and vaporizer 10 4 parts, thus seawater is constantly evaporated on evaporation of seawater device (condenser) 2, on vaporizer 10, fresh water is produced in condensation.
2nd, seawater side flowchart process, seawater adds mouth 7 by seawater and enters in seawater room 6, seawater drips shower device 4, by hole 16 of dripping, seawater is evenly dripped pouring on evaporation of seawater device (condenser) 2, seawater utilizes the heat of condensation of cycle fluid to complete evaporation on evaporation of seawater device (condenser) 2, becomes water vapor. Water vapor arrives vaporizer 10 under the effect of aerofoil fan 11, meet the cold water droplet that is liquefied as on vaporizer 10 surface to drop bottom vapor condensation room (freshwater room) 12, and uncooled water vapor can again return to condensation on vaporizer 10 under the effect of aerofoil fan 11. When the fresh water in vapor condensation room (freshwater room) 12 arrives a certain amount of, it is possible to discharged by fresh water water port 13, for people to use.
Although above in conjunction with accompanying drawing, invention has been described; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; the those of ordinary skill of this area is under the enlightenment of the present invention; when not departing from objective of the present invention, it is also possible to make a lot of distortion, within these protections all belonging to the present invention.

Claims (5)

1. the low profile thermal pump type seawater desalination system with evaporation of seawater device, comprise seawater room (6), evaporation of seawater room (3) and freshwater room, it is provided with evaporation of seawater device (2) in described evaporation of seawater room (3), it is characterised in that:
Described evaporation of seawater device (2) comprises the seawater being positioned at described evaporation of seawater room (3) top and drips shower device (4) and be positioned at the coil-like heat transfer tube (14) that described seawater drips shower device (4) lower section, described seawater drips shower device (4) and is provided with hole of dripping (16), seawater evenly is dripped and drenches on heat transfer tube (14) by described hole of dripping (16), described heat transfer tube (14) the coated water accepting layer in outside (15); In coil-like heat transfer tube (14), fit tightly between neighbouring two layers of heat transfer tube;
It is connected with throttling set (8), vaporizer (10) and compressor (9) from the exit end of described heat transfer tube (14) to the inlet end of described heat transfer tube in turn by pipeline, forms a heat pump circulating system;
Described freshwater room is vapor condensation room (12), described vaporizer (10) is arranged in described vapor condensation room (12), is provided with the aerofoil fan for cooling described vaporizer (10) (11) in described vapor condensation room (12);
Separate with lagging material between described evaporation of seawater room (3) and described vapor condensation room (12) and it is connected with vapour passage.
2. according to claim 1 with the low profile thermal pump type seawater desalination system of evaporation of seawater device, it is characterised in that: described throttling set (8) adopts capillary pipe structure.
3. according to claim 1 with the low profile thermal pump type seawater desalination system of evaporation of seawater device, it is characterised in that: described vaporizer (10) adopts finned heat exchanger.
4. according to claim 1 with the low profile thermal pump type seawater desalination system of evaporation of seawater device, it is characterised in that: described water accepting layer (15) adopts the dry goods material with good water-absorbent.
5. according to the arbitrary described low profile thermal pump type seawater desalination system with evaporation of seawater device of Claims 1-4, it is characterized in that: the bottom of described evaporation of seawater room (3) is provided with concentrated seawater water port (1), the top of described seawater room (6) is provided with seawater and adds mouth (7), the bottom of described seawater room (6) is provided with water port (5), and described vapor condensation room (12) bottom is provided with fresh water water port (13).
CN201610171102.9A 2016-03-23 2016-03-23 Miniature heat pump type seawater desalinating system with seawater evaporation device Pending CN105645492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610171102.9A CN105645492A (en) 2016-03-23 2016-03-23 Miniature heat pump type seawater desalinating system with seawater evaporation device

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Application Number Priority Date Filing Date Title
CN201610171102.9A CN105645492A (en) 2016-03-23 2016-03-23 Miniature heat pump type seawater desalinating system with seawater evaporation device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110143633A (en) * 2019-06-28 2019-08-20 马鞍山市新桥工业设计有限公司 A kind of desalination plant
CN110143634A (en) * 2019-06-28 2019-08-20 马鞍山市新桥工业设计有限公司 A kind of seawater desalination processing unit based on solar energy
CN112759011A (en) * 2020-12-31 2021-05-07 中谷宏(海南)实业有限公司 Low-temperature evaporation seawater desalination device without vacuum pump

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6458390A (en) * 1987-08-28 1989-03-06 Naganobu Miyoshi Apparatus for producing fresh water from sea water
CN1562773A (en) * 2004-03-23 2005-01-12 天津大学 Portable heat pump system in use for seawater desalination
CN205442686U (en) * 2016-03-23 2016-08-10 天津大学 Small -size heat pump -type sea water desalination with sea water evaporation plant

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6458390A (en) * 1987-08-28 1989-03-06 Naganobu Miyoshi Apparatus for producing fresh water from sea water
CN1562773A (en) * 2004-03-23 2005-01-12 天津大学 Portable heat pump system in use for seawater desalination
CN205442686U (en) * 2016-03-23 2016-08-10 天津大学 Small -size heat pump -type sea water desalination with sea water evaporation plant

Non-Patent Citations (1)

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Title
黄翔 等: "管式间接蒸发冷却器均匀布水的实验研究", 《暖通空调》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110143633A (en) * 2019-06-28 2019-08-20 马鞍山市新桥工业设计有限公司 A kind of desalination plant
CN110143634A (en) * 2019-06-28 2019-08-20 马鞍山市新桥工业设计有限公司 A kind of seawater desalination processing unit based on solar energy
CN112759011A (en) * 2020-12-31 2021-05-07 中谷宏(海南)实业有限公司 Low-temperature evaporation seawater desalination device without vacuum pump

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Application publication date: 20160608