CN104528856A - Humidification and dehumidification type seawater evaporation tank - Google Patents
Humidification and dehumidification type seawater evaporation tank Download PDFInfo
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- CN104528856A CN104528856A CN201410841439.7A CN201410841439A CN104528856A CN 104528856 A CN104528856 A CN 104528856A CN 201410841439 A CN201410841439 A CN 201410841439A CN 104528856 A CN104528856 A CN 104528856A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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Abstract
The invention provides a humidification and dehumidification type seawater evaporation tank. The humidification and dehumidification type seawater evaporation tank which is stable in pressure and is relatively independent is formed by arranging a fan on a seawater evaporation tank body, arranging a U-shaped pipe on a freshwater-collection pipe communicated pipe and reasonably distributing a heating pipe, a condensing pipe and a freshwater collection pipe in the seawater evaporation tank body. The middle part of the condensing pipe which functions as a key component is a hollow cylinder; a plurality of heat exchange pipes are arranged in the cylinder, wherein the two end openings of each heat exchange pipe are on the two end surfaces of the cylinder; a plurality of pipes are distributed on the upper end surface of the cylinder edgewise, wherein one end of each pipe is perpendicular to the end surface of the cylinder and is communicated with the inner hollow cavity of the cylinder, and the other end of each pipe is bent with the opening downwards; and the bottom of the cylinder is communicated with the freshwater collection pipe. When the humidification and dehumidification type seawater evaporation tank operates, the temperature in the humidification and dehumidification type seawater evaporation tank is increased gradually from bottom to top, and seawater absorbs heat from bottom to top in a flowing way, thus the heat utilization rate is high. The humidification and dehumidification type seawater evaporation tank is composed of two components, is convenient to install and maintain, has a wide application range, can be used for the desalination of seawater and can be also used for the separation of a solid solute during sugar production and chemical production.
Description
Art
The present invention relates to a kind of evaporating pot, be specially the evaporation of seawater tank of a kind of humidification dehumidifying.
Background technology
In hot method desalination technology, it is at present by people's attention, the most rising desalination technology that humidification removes wet method.
Recent years, humidification starts to increase except the research paper of wet method, is also only confined to Proof-Of Principle.What really have through engineering approaches prospect is Chinese invention patent " a kind of sea water desalinating plant of warm air Multi-stage heating " (patent No. 201410396027.7) and " a kind of sea water desalinating plant utilizing waste gas residual heat heating seawater " (patent No. 201410443596.2).Air moistening dehumidification principle is used in these two inventions, utilizes sun power, industrial exhaust heat etc. that seawater is separated into fresh water and solid salt.Relative to needing the multiple-effect distillation and the multistage flash vaporization that discharge a large amount of strong brine, this technical scheme not only takes full advantage of seawater resources, eliminates the impact of strong brine on environment, and has saved a large amount of electric energy of pumping sea water and strong brine and improve heat utilization ratio.But these two inventions are not perfect technical scheme, and its weak point is: one, supercharging concentrated by complete assembly, add supercharging difficulty, cause last step water table ratio first step water level high a lot, plant running stability is influenced, and device progression limits by supercharging pressure reduction.Two, the pressure reduction of evaporation of seawater tank at different levels is large, and prevent fresh water collecting pipe gas blowby, the technical difficulty of packing each evaporation of seawater tank is large.Three, to the evaporation of seawater tank simplicity of design played a decisive role, the cascade utilization of heat in evaporation of seawater tank is not considered.These are all the problems must properly settled in this engineering process.Have found problem place, take corresponding measure to the ill.Multi-stage booster technology is adopted to overcome concentrated supercharging drawback; Arrange air in U-tube packing evaporation of seawater tank, as long as keep prolong air vout to be less than the U-tube degree of depth all the time to the distance of gauging line, air would not through fresh water collecting pipe gas blowby; Appropriate design arranges heating tube, prolong, fresh water collecting pipe etc., and from high to low, the general layout that seawater flows naturally from bottom to top, maximally utilises heat to form in evaporation of seawater tank temperature from top to bottom.A difficult problem for complete assembly is concentrated on evaporation of seawater tank solve.
Summary of the invention
The object of the invention is to pacify blower fan on evaporation of seawater tank, fresh water collecting pipe communicating pipe fills U-tube, the heating tube in rational deployment evaporation of seawater tank, prolong, fresh water collecting pipe, form the dehumidifying of a kind of cascade utilization heat humidification, pressure-stabilisation, relatively independent evaporation of seawater tank.
To achieve these goals, the solution of the present invention is: its structure comprises tank body, top ends of cans, blower fan, blast pipe, and air outlet tube, prolong, heating tube, waste gas enter pipe, exhaust emission tube, fresh water collecting pipe, U-tube, fresh water collecting pipe communicating pipe, seawater inflow pipe, seawater outlet pipe.It is characterized in that: described heating tube is arranged near inwall in tank body, prolong is placed in central authorities in tank body, and fresh water collecting pipe is arranged in tank body inner bottom part.The fresh water collecting pipe communicating pipe being communicated with adjacent evaporation of seawater tank fresh water collecting pipe installs U-tube.Top ends of cans in tank body top cover, forms the enclosed space in evaporation of seawater tank.Blast pipe on prolong inlet end pipeline communication top ends of cans, straight-through fan outlet.Evaporation of seawater pot bottom is sunk in the middle part of prolong.In the middle part of prolong, low spot is communicated with fresh water collecting pipe.Prolong outlet side pipeline rises to more than gauging line, and prolong air outlet drops to below gauging line again.Air outlet tube on top ends of cans is communicated with the air inlet of evaporation of seawater tank upper space and another evaporation of seawater tank.Tank body side is positioned at bottom prolong establishes a window also to use window shutoff with fresh water collecting pipe connectivity part.Gauging line is set in evaporation of seawater tank top rational position.Waste gas enters pipe and is communicated with heating tube import in tank body, and exhaust emission tube is communicated with heating tube outlet in tank body.Seawater inflow pipe is all communicated with tank body with seawater outlet pipe.The other end of seawater inflow pipe is communicated with another evaporation of seawater tank of supply seawater.The other end of seawater outlet pipe is communicated with another evaporation of seawater tank receiving seawater.
Described prolong inlet end is the pipeline that flow section is larger.It is an inner cylinder for sky in the middle part of prolong.Prolong inlet end pipeline is communicated with in cylinder empty in cylinder upper surface.Many two-port are had at the heat transfer tube of cylinder both ends of the surface in cylinder.Cylinder upper surface distribute along limit many one end vertical column end faces and is communicated with empty in cylinder, the other end bends and the inverted U pipeline that Open Side Down, formation prolong outlet side.Be communicated with fresh water collecting pipe bottom cylinder.Be positioned at below gauging line in the middle part of prolong, the heat transfer tube inwall in cylinder and damaged surface all form heat-transfer surface with contact with sea water.Enter steam empty in cylinder by heat-transfer surface and seawater to make heat exchange condensation, do not have the steam of condensation and air to enter seawater heating and moistening through prolong outlet side pipeline.
Described U-tube submergence depth is greater than pipeline air outlet, prolong outlet side to the gauging line degree of depth, ensures that air is without fresh water collecting pipe gas blowby.
Described evaporation of seawater tank appearance and be arranged in pipeline all outsourcing thermal insulation layers of evaporation of seawater tank outside.
The invention has the advantages that: one is that blower fan supercharging provided for oneself by evaporation of seawater tank, and required pressure reduction is little there is not each evaporation of seawater tank pressure difference equilibrium problem that concentrated supercharging must solve and the problem that required pressure reduction is large, supercharging difficulty is large.Receive the effect that complete assembly operates steadily.Two is designs of void column body inner-heating tube in adopting in the middle part of prolong, and to form in tank body the thermograde that temperature from bottom to top progressively raises, seawater natural flow heat absorption from bottom to top, heat utilization ratio is high.Three is that evaporation of seawater tank is made up of two large components, and installation and maintenance are convenient.During scale removal operation, only need hang out the component be connected as a single entity with top ends of cans, the prolong processing the heating tube in tank body respectively and hang out.Four is applied widely, sugaring and Chemical Manufacture in need concentrating and separating to go out solid-state solute technique all can adopt.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is condenser tube structure schematic diagram of the present invention;
Fig. 3 is interface chart of the present invention.
In figure, 1, blower fan, 2, blast pipe, 3, waste gas enters pipe, and 4, seawater outlet pipe, 5, fresh water collecting pipe communicating pipe, 6, prolong and fresh water collecting pipe communicating pipe, 7, U-tube, 8, seawater inflow pipe, 9, exhaust emission tube, 10, top ends of cans, 11, air outlet tube, 12, cylinder in the middle part of prolong, 13, heat transfer tube, 14, prolong outlet side pipeline.
Embodiment
Fig. 1 is evaporation of seawater jar structure schematic diagram.Remove the window of tank body side window, prolong and fresh water collecting pipe communicating pipe 6 can be seen.Fig. 2 is condenser tube structure schematic diagram.Blower fan 1 air outlet is communicated with blast pipe 2.Blast pipe 2 is communicated with prolong inlet end pipeline by top ends of cans 10.Cylinder 12 in the middle part of prolong inlet end pipeline communication prolong.Many two-port are had in cylinder 12 at the heat transfer tube 13 of cylinder both ends of the surface in the middle part of prolong.Fresh water collecting pipe is communicated with bottom cylinder 12 in the middle part of prolong.In the middle part of prolong cylinder 12 upper surface distribute along limit many one end vertical column end faces and be communicated with empty in cylinder, the other end bends and the prolong outlet side pipeline 14 that Open Side Down.Air outlet tube 11 on top ends of cans 10 is communicated with the air inlet of evaporation of seawater tank upper space and another evaporation of seawater tank.Heating tube two ends in tank body are communicated with waste gas respectively and enter pipe 3 and exhaust emission tube 9.Seawater outlet pipe 4 is all communicated with tank body with seawater inflow pipe 8.Be communicated with the fresh water collecting pipe in tank body fresh water collecting pipe communicating pipe 5.U-tube 7 is one section of fresh water collecting pipe communicating pipe 5.Fig. 3 is two evaporation of seawater tank interface charts.From left to right, the air outlet tube 11 of last evaporation of seawater tank is communicated with the air inlet of a rear evaporation of seawater tank; After the exhaust emission tube 9 of last evaporation of seawater tank is communicated with, the waste gas of an evaporation of seawater tank enters pipe 3; The seawater inflow pipe 8 of last evaporation of seawater tank is communicated with the seawater outlet pipe 4 of a rear evaporation of seawater tank; Fresh water collecting pipe evaporation of seawater tank fresh water collecting pipe after fresh water collecting pipe communicating pipe 5 is communicated with of last evaporation of seawater tank.Multiple evaporation of seawater tank so connects, the most previous evaporation of seawater pot bottom sets up sea salt outlet valve, and waste gas enters pipe 3 and connects high-temp waste gas source, and blower fan connects power supply, last evaporation of seawater tank is set up water monitor and connects source of seawater, just forms the sea water desalinating plant of complete set.
Working process of the present invention is: open seawater switch and inject seawater to each evaporation of seawater tank.Open high-temp waste gas source switch, high-temp waste gas enters each evaporation of seawater tank heating seawater successively.After seawater temperature in the most previous evaporation of seawater tank reaches specified temperature, connect the fan power of each evaporation of seawater tank.Airflow is through each evaporation of seawater tank, and water vapor is condensed into fresh water in each prolong, and fresh water flows into fresh water collecting pipe, flows out through last evaporation of seawater tank fresh water collecting pipe.Sea salt, at the most previous evaporation of seawater pot bottom crystallization deposition, is discharged through sea salt outlet valve.
Claims (3)
1. the evaporation of seawater tank of a humidification dehumidifying, comprise tank body, top ends of cans, blower fan, blast pipe, air outlet tube, prolong, heating tube, waste gas enters pipe, exhaust emission tube, fresh water collecting pipe, U-tube, fresh water collecting pipe communicating pipe, seawater inflow pipe, seawater outlet pipe, it is characterized in that: described heating tube is arranged near inwall in tank body, prolong is placed in central authorities in tank body, fresh water collecting pipe is arranged in tank body inner bottom part, the fresh water collecting pipe communicating pipe being communicated with adjacent evaporation of seawater tank fresh water collecting pipe installs U-tube, top ends of cans in tank body top cover, form the enclosed space in evaporation of seawater tank, blast pipe on prolong inlet end pipeline communication top ends of cans, straight-through fan outlet, evaporation of seawater pot bottom is sunk in the middle part of prolong, in the middle part of prolong, low spot is communicated with fresh water collecting pipe, prolong outlet side pipeline rises to more than gauging line, prolong air outlet drops to below gauging line again, air outlet tube on top ends of cans is communicated with the air inlet of evaporation of seawater tank upper space and another evaporation of seawater tank, tank body side is positioned at bottom prolong establishes a window also to use window shutoff with fresh water collecting pipe connectivity part, gauging line is set in evaporation of seawater tank top rational position, waste gas enters pipe and is communicated with heating tube import in tank body, exhaust emission tube is communicated with heating tube outlet in tank body, seawater inflow pipe is all communicated with tank body with seawater outlet pipe, the other end of seawater inflow pipe is communicated with another evaporation of seawater tank of supply seawater, the other end of seawater outlet pipe is communicated with another evaporation of seawater tank receiving seawater.
2. the evaporation of seawater tank of a kind of humidification dehumidifying according to claim 1, it is characterized in that: described prolong inlet end is the pipeline that flow section is larger, it is an inner cylinder for sky in the middle part of prolong, prolong inlet end pipeline is communicated with in cylinder empty in cylinder upper surface, many two-port are had at the heat transfer tube of cylinder both ends of the surface in cylinder, cylinder upper surface distributes along limit many one end vertical column end faces being communicated with empty in cylinder, the other end bends and the inverted U pipeline that Open Side Down, form prolong outlet side, be communicated with fresh water collecting pipe bottom cylinder, below gauging line is positioned in the middle part of prolong, heat transfer tube inwall in cylinder and damaged surface all form heat-transfer surface with contact with sea water.
3. the evaporation of seawater tank of a kind of humidification dehumidifying according to claim 1, is characterized in that: described U-tube submergence depth is greater than pipeline air outlet, prolong outlet side to the gauging line degree of depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410841439.7A CN104528856B (en) | 2014-12-27 | 2014-12-27 | A kind of evaporation of seawater tank humidifying dehumidifying |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410841439.7A CN104528856B (en) | 2014-12-27 | 2014-12-27 | A kind of evaporation of seawater tank humidifying dehumidifying |
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| CN104528856A true CN104528856A (en) | 2015-04-22 |
| CN104528856B CN104528856B (en) | 2016-06-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106673099A (en) * | 2017-01-14 | 2017-05-17 | 孔令斌 | Solar seawater desalination device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3713989A (en) * | 1969-03-11 | 1973-01-30 | P Bom | Flash evaporator |
| JPS6115701A (en) * | 1984-07-02 | 1986-01-23 | Toyo Eng Corp | Evaporation apparatus |
| CN102502902A (en) * | 2011-11-10 | 2012-06-20 | 集美大学 | New multistage flash evaporation seawater desalting system of thermal power plant |
| CN104118960A (en) * | 2014-08-09 | 2014-10-29 | 孔令斌 | Hot-air multi-stage heating sea water desalting device |
| CN104150671A (en) * | 2014-08-30 | 2014-11-19 | 孔令斌 | Sea water desalting device for heating sea water by using residual heat of waste gas |
-
2014
- 2014-12-27 CN CN201410841439.7A patent/CN104528856B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3713989A (en) * | 1969-03-11 | 1973-01-30 | P Bom | Flash evaporator |
| JPS6115701A (en) * | 1984-07-02 | 1986-01-23 | Toyo Eng Corp | Evaporation apparatus |
| CN102502902A (en) * | 2011-11-10 | 2012-06-20 | 集美大学 | New multistage flash evaporation seawater desalting system of thermal power plant |
| CN104118960A (en) * | 2014-08-09 | 2014-10-29 | 孔令斌 | Hot-air multi-stage heating sea water desalting device |
| CN104150671A (en) * | 2014-08-30 | 2014-11-19 | 孔令斌 | Sea water desalting device for heating sea water by using residual heat of waste gas |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106673099A (en) * | 2017-01-14 | 2017-05-17 | 孔令斌 | Solar seawater desalination device |
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| CN104528856B (en) | 2016-06-29 |
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