CN207203509U - Condensing source heat pump driving multiple-effect heat pipe-type destilling tower - Google Patents
Condensing source heat pump driving multiple-effect heat pipe-type destilling tower Download PDFInfo
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- CN207203509U CN207203509U CN201720119181.9U CN201720119181U CN207203509U CN 207203509 U CN207203509 U CN 207203509U CN 201720119181 U CN201720119181 U CN 201720119181U CN 207203509 U CN207203509 U CN 207203509U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
A kind of condensing source heat pump driving multiple-effect heat pipe-type destilling tower:System integration condensing source heat pump, heat exchange of heat pipe, multi-effect distilling technique, it is heat pump industry, heat exchange industry, the product transboundary for distilling industry;The end effect secondary steam latent heat of condensation is reclaimed by condensing source heat pump, realizes that condenser separately provides thermal source needed for first effect distillation;It is superimposed by open multi-stage heat pipe, realizes countercurrent flow, the distillation technique of single column multiple-effect, utilizes the indirect steam latent heat of condensation by effect;Realize the integrated design of condenser, multiple-effect heat pipe-type destilling tower, evaporator;Realize the heat pump driven multiple-effect heat pipe-type distillation technique in condensing source.
Description
(1) technical field
The present invention relates to a kind of desalinization, food processing, beverage production, sewage disposal, clean water treatment, sewerage disposing,
Chemical industry, household water purifying, commercial Water warfare, condensing source heat pump driving multiple-effect heat pipe-type distillation used in household electrical appliance
Tower.
(2) background technology
Press decatize distillation unit:Seawater is heated in the evaporation side of evaporative condenser and distills out indirect steam, by water vapor pressure
After the compression of contracting machine is to improve pressure and temperature, the condensation side of evaporative condenser is re-entered, is being condensed into as heating steam
To reclaim its latent heat of condensation while fresh water, to provide sea water by distillation latent heat for its evaporation side so that the driving energy consumption drop of device
It is extremely minimum;In addition, supplement seawater recovery takes fresh water and discharges the sensible heat in concentrate, so that the heat power efficiency of device is further
Improve.
The advantages of device, is as follows:(1) reclaim the indirect steam latent heat of condensation and take fresh water and discharge the aobvious of concentrate
Heat, to realize independent distillation procedure, the input shaft work of wherein water vapour compressor compensates exactly for device heat waste;(2) device drives
Dynamic power consumption is 11-66kW*h/t;(3) product water quality is up to standard for drinking.
But the shortcomings that pressure decatize distillation unit, which also restricts it, further develops:(1) price of water vapour compressor is extremely high
Expensive, no oil tech is complex, so as to cause product reliability reduction, maintenance difficult;(2) device belongs to large chemical equipment,
Therefore, it is difficult to realize miniaturization, electrification of domestic;(3) corrosion of the indirect steam to water vapour compressor can not have both been avoided, can not also have been kept away
Exempt from corrosion of the water vapour compressor to indirect steam, be particularly suitable for handling corrosive solution, and produce high standard parenteral solution;
(4) because the chemical liveness flex point of water is 60 DEG C, therefore corrosive solution or heat sensitive material are directed to, it is necessary to use 60 DEG C with
Under cryogenic distillation process, and the density in vacuum due to water vapour is too low, cause water vapour compressor air-breathing discharge capacity and
Cost is higher than heat pump compressor into hundred times of ground, and making its economy extreme difference, delivery date, length, maintenance cost are high slowly, and are not suitable for
Handle corrosive solution, heat sensitive material;(5) total temperature scope, the distillation technique of full capacity scope can not be realized.
(3) content of the invention
The present invention seeks to:System integration condensing source heat pump, heat exchange of heat pipe, multi-effect distilling technique, are heat pump industries, change
Hot industry, the product transboundary for distilling industry;The end effect secondary steam latent heat of condensation is reclaimed by condensing source heat pump, realizes that condenser is only
It is vertical that thermal source needed for first effect distillation is provided;It is superimposed by open multi-stage heat pipe, realizes countercurrent flow, the distillation work of single column multiple-effect
Skill, to utilize the indirect steam latent heat of condensation by effect;Realize the integrated design of condenser, multiple-effect heat pipe-type destilling tower, evaporator;
Realize heat pump driven multiple-effect heat pipe-type distillation technique.
According to the condensing source heat pump driving multiple-effect heat pipe-type destilling tower shown in accompanying drawing 1, it is by 1- evaporators;2- fresh-water tanks;
2-1- fresh water pipes;3- liquid-level switches;4- expansion valves;4-1- devices for drying and filtering;5- compressors;5-1- driving equipments;5-2- cylinder sleeves
Regenerator;5-3- Subcooled heat recovery devices;5-4- oil eliminators;5-5- oil strainers;5-6- flow switches;5-7- magnetic valves;5-8-
Oil cooler;5-9- hand-operated valves;6- multiple-effect heat pipe-type destilling towers;6-1- liquor inlet pipes;Siphon circulation in the first effect pipes of 6-2- I-
Rise membrane distiller;6-2-II- bis- imitates siphon circulation in pipe and rises membrane distiller;Siphon circulation rises membrane distillation in 6-2-III- triple effect pipes
Device;Siphon circulation rises membrane distiller in 6-2-IV- quadruple effect pipes;The vertical heat absorption tube bundle of 6-3- annulus distribution;6-4- branch chambers;6-5-
Cylindrical space siphon decline passway;6-6- gaseous state heat pump fluid imports;6-7- liquid heat pump fluid exports;6-8- concentrates flow container;
6-9- concentrated solution outlets;6-10- preheaters;6-11- distiller fresh-water tanks;6-12- fixed gas outlets;6-13- feed liquids decline
Pipe;6-14- vapour liquid separators;7- heat pump fluids;8- feed liquids;9- feed liquid flow control valves;10- fresh water;11- concentrates;12-
Pressure switch;13- temperature switches;14- vavuum pumps;15- fresh water regenerators;16- fresh water pumps;17- concentrate regenerators;18- is dense
Contracting liquid pump;19- feed pumps;20- air bleeding valves;21- solid-liquid separating machines;22- crystals form, it is characterised in that:
The top gaseous state heat pump fluid outlet of evaporator 1 connects compressor 5, oil eliminator 5-4, the first effect in bottom by pipeline
Siphon circulation rises membrane distiller 6-2-I shell sides, Subcooled heat recovery device 5-3, device for drying and filtering 4-1, expansion valve 4, the bottom of evaporator 1 in pipe
Portion's liquid heat pump fluid import, composition heat pump cycle loop;
Oil eliminator 5-4 bottom oil-outs connect hand-operated valve 5-9, oil cooler 5-8 lubricating oil side, oily mistake by pipeline
Filter 5-5, flow switch 5-6, magnetic valve 5-7, hand-operated valve 5-9, the oil return opening of compressor 5, composition oil cooling heat release loop;
Siphon circulation rises membrane distiller 6-2-I top heat absorption distillation surface in the first effect pipe of multiple-effect heat pipe-type destilling tower 6
Membrane distiller 6-2-II bottom heat release condensation surface is risen with siphon circulation in two effect pipes, forms first effect heat pipe-type distillery I;
Siphon circulation rises membrane distiller 6-2-II top heat absorption distillation surface and siphon circulation in triple effect pipe in two effect pipes
Rise membrane distiller 6-2-III bottom heat release condensation surface, the effect heat pipe-type distillery of composition two II;
Siphon circulation rises membrane distiller 6-2-III top heat absorption distillation surface and siphon circulation in quadruple effect pipe in triple effect pipe
Rise membrane distiller 6-2-IV bottom heat release condensation surface, composition triple effect heat pipe-type distillery III;
Siphon circulation rises membrane distiller 6-2-IV top heat absorption distillation surface and the horizontal heat exchange of evaporator 1 in quadruple effect pipe
Heat delivery surface outside pipe, composition quadruple effect heat pipe-type distillery IV;
The distiller fresh-water tank 6-11 of each effect distillery and the bottom of fresh-water tank 2, are connected with each other, group by fresh water pipe 2-1
Into fresh water collecting loop;
Bottom liquid heat pump fluid import, horizontal heat exchange tube inner side, the outlet of top gaseous state heat pump fluid of evaporator 1, group
Hot dry type evaporation circuit is taken in into the pipe of heat pump fluid;
The aperture for the temperature-sensitive bag closed-loop control expansion valve 4 that the top gaseous state heat pump fluid outlet tube outer surface of evaporator 1 is set,
And the outlet of expansion valve 4 connects the bottom liquid heat pump fluid import of evaporator 1, composition heat pump fluid expansion control by pipeline
Loop;
Siphon circulation rises top gaseous state heat pump fluid import 6-6, the middle part annulus of membrane distiller 6-2-I shell sides in head effect pipes
The vertical heat absorption tube bundle 6-3 and cylindrical space siphon decline passway 6-5 of distribution outside, bottom liquid heat pump fluid outlet 6-7,
Form the reversed flow condensation heat release loop of heat pump fluid;
Liquor inlet pipe 6-1 stretch into siphon circulation in quadruple effect pipe rise under membrane distiller 6-2-IV feed liquid distillation liquid level, four
Siphon circulation liter membrane distiller 6-2-IV feed liquid down-comer 6-13 stretches into rainbow in triple effect pipe after flowing through magnetic valve 5-7 in effect pipe
Inhale under circulation liter membrane distiller 6-2-III feed liquid distillation liquid level, siphon circulation rises membrane distiller 6-2-III material in triple effect pipe
Liquid down-comer 6-13 stretches into the feed liquid distillate that siphon circulation in two effect pipes rises membrane distiller 6-2-II after flowing through magnetic valve 5-7
Siphon circulation liter membrane distiller 6-2-II feed liquid down-comer 6-13 stretches into first effect after flowing through magnetic valve 5-7 under face, in two effect pipes
Siphon circulation is risen under membrane distiller 6-2-I feed liquid distillation liquid level in pipe, forms multi-effect distilling and the fluid-tight resistance vapour loop of feed liquid;
Siphon circulation rises the bottom branch chamber 6-4 of membrane distiller 6-2 tube sides, the vertical heat absorption tube bundle of middle part annulus distribution in pipe
6-3 and cylindrical space siphon decline passway 6-5 inner side, top feed liquid distillation liquid level, form siphon circulation liter in the pipe of feed liquid
The vertical heat absorption tube bundle 6-3 of membrane distillation loop, wherein annulus distribution is annulus distribution, vertically disposed tube bundle, and its center sets one
Individual cylindrical space siphon decline passway 6-5, and multiple cylindrical spaces of tube bundle inwall are set to siphon rising passway, siphon declines logical
The circulation area in road and siphon rising passway is roughly equal;
The shell of multiple-effect heat pipe-type destilling tower 6 is the vertically disposed face of cylinder;
Siphon circulation rises membrane distiller 6-2-IV tube sides upper inside wall and sets liquid-level switch 3 in quadruple effect pipe, according to feed liquid liquid
The aperture of position signal closed-loop control feed liquid flow control valve 9, and the outlet of feed liquid flow control valve 9 is connected by placed in series and arranged
Air valve 20, liquor inlet pipe 6-1, form exhaust and the flow control circuit of feed liquid;
Siphon circulation rises membrane distiller 6-2-I, II, III tube side upper inside wall and sets liquid-level switch 3 in remaining each effect pipe,
According to the aperture of magnetic valve 5-7 in feed liquid liquid level signal closed-loop control aftereffect feed liquid down-comer 6-13, each effect distiller is formed
Feed liquid liquid level control loop;
The upper inside wall for often imitating distillery sets pressure switch 12 and temperature switch 13 each one;
The air inlet of vavuum pump 14 connects the magnetic valve 5-7 and fixed gas row at the top of each effect distillery by parallel pipeline
6-12 is exported, and the pressure switch 12 and/or temperature switch 13 that are set by every effect distillery upper inside wall control magnetic valve 5-7's
Aperture, the discharge of composition distillery fixed gas and pressure control loop;
The house steward in fresh water collecting loop connects the side of fresh water 10 of fresh water regenerator 15, fresh water pump 16, form the taking of fresh water,
Heat release loop;
Siphon circulation rises membrane distiller 6-2-I tube side bottom connection concentration flow container 6-8, its bottom concentrate in head effect pipes
The side of concentrate 11, concentrate pump 18 that 6-9 connects concentrate regenerator 17 by pipeline are exported, the discharge of concentrate is formed, puts
Hot loop;
The outlet of feed pump 19 connects diversion three-way, fresh water regenerator 15 and concentrate regenerator in parallel by pipeline
17 side of feed liquid 8, threeway of confluxing, Subcooled heat recovery device 5-3 feed liquid 8 side, feed liquid flow control valve 9 import, composition feed liquid returns
Hot loop;
The inwall for concentrating flow container 6-8 sets preheater 6-10, forms the startup preheating circuit of concentrate.
Concentrated solution outlet 6-9 passes through the side of concentrate 11 of pipeline connection concentrate regenerator 17, concentrate pump 18, solid-liquid point
Disembark 21 and its crystal 22 export, crystal 22, composition concentrate and crystal separating circuit;And solid-liquid separating machine 21 is dense
Contracting liquid 11 exports the import threeway that feed pump 19 is then connected by pipeline, forms the crystallization of concentrate, separation, mixes, is recycled back to
Road.
Solid-liquid separating machine 21 is screw settling centrifuge;Or high speed freezing centrifuge;Or disc centrifuge;Or
Tube centrifuge;Or incline bridge-type centrifuge;Or basket centrifuge;Or plate and frame filter;Or flat panel filter machine;Or
It is vacuum rotating filter.
Driving equipment 5-1 is motor, or gas driven explosive motor, or gasoline driven explosive motor, or
It is diesel driven explosive motor, or kerosene driving explosive motor, or Stirling external-burning engine, or gas driven
Gas-turbine engine, or coal gas driving gas-turbine engine.
The outlet of feed pump 19 connects diversion three-way, fresh water regenerator 15 and concentrate regenerator in parallel by pipeline
17 side of feed liquid 8, threeway of confluxing, the driving equipment 5-1 cylinder sleeve regenerator 5-2 side of feed liquid 8, oil cooler 5-8 feed liquid 8
Side, Subcooled heat recovery device 5-3 feed liquid 8 side, feed liquid flow control valve 9 import, composition feed liquid step backheat loop.
Feed liquid 8 is seawater, or municipal middle water, or municipal sewage, or salt solution, or sour water, or buck, or
Organic solution, or inorganic solution, or industrial wastewater, or mine bitter, or in oilfield sewage, or chemical engineering sewage
One kind.
Fresh water regenerator 15 is double pipe heat exchanger, or shell and tube exchanger, or plate type heat exchanger, or plate-fin
Heat exchanger, or coil exchanger, or spiral heat exchanger, or lamella heat exchanger.
Concentrate regenerator 17 is double pipe heat exchanger, or shell and tube exchanger, or plate type heat exchanger, or plate wing
Formula heat exchanger, or coil exchanger, or spiral heat exchanger, or lamella heat exchanger.
The operation principle combination accompanying drawing 1 of the present invention is described as follows:
1st, heat pump driving multiple-effect heat pipe-type destilling tower:In multiple-effect heat pipe-type destilling tower 6, siphon circulation rises film and steamed in head effect pipes
The device 6-2-I vertical heat absorption tube bundle 6-3 inner surfaces sorption type heat pump condensation heat release of annulus distribution is evaporated, so that inflow feed liquid 8 is distilled out
70 DEG C of indirect steams, after vapour liquid separator 6-14 filtering, and siphon circulation rises membrane distiller 6-2-II's in two effect pipes
The vertical heat absorption tube bundle 6-3 outer surfaces of annulus distribution, heat release are condensed as fresh water and discharged, and its distiller fresh-water tank is fallen into according to gravity
In 6-11, the closing distillery forms first effect open heat-pipe of the indirect steam for working medium;
The siphon circulation liter membrane distiller 6-2-II vertical heat absorption tube bundle 6-3 inner surfaces of annulus distribution absorb in two effect pipes
The latent heat of condensation of head 70 DEG C of indirect steams of effect, so that inflow feed liquid 8 is distilled out 65 DEG C of indirect steams, through vapour liquid separator 6-14's
After filtering, and siphon circulation rises the membrane distiller 6-2-III vertical heat absorption tube bundle 6-3 outer surfaces of annulus distribution in triple effect pipe,
Heat release condenses as fresh water and discharged, and is fallen into according to gravity in its distiller fresh-water tank 6-11, and the closing distillery forms secondary steaming
Vapour imitates open heat-pipes for the two of working medium;
Siphon circulation rises the membrane distiller 6-2-III vertical heat absorption tube bundle 6-3 inner surfaces absorption of annulus distribution in triple effect pipe
The latent heat of condensation of two 65 DEG C of indirect steams of effect, so that inflow feed liquid 8 is distilled out 60 DEG C of indirect steams, through vapour liquid separator 6-14's
After filtering, and siphon circulation rises the membrane distiller 6-2-IV vertical heat absorption tube bundle 6-3 outer surfaces of annulus distribution in quadruple effect pipe, puts
Thermal coagulation turns into fresh water and discharged, and is fallen into according to gravity in its distiller fresh-water tank 6-11, and the closing distillery forms indirect steam
For the triple effect open heat-pipe of working medium;
Siphon circulation rises the membrane distiller 6-2-IV vertical heat absorption tube bundle 6-3 inner surfaces absorption of annulus distribution in quadruple effect pipe
The latent heat of condensation of 60 DEG C of indirect steams of triple effect, so that inflow feed liquid 8 is distilled out 55 DEG C of indirect steams, through vapour liquid separator 6-14's
After filtering, and condense as fresh water and discharge in the horizontal heat exchange tube outer surface of evaporator 1, heat release, its fresh water is fallen into according to gravity
In groove 2, and thermal source is provided for heat pump, the closing distillery forms the quadruple effect open heat-pipe that indirect steam is working medium;
The distiller fresh-water tank 6-11 of each effect distillery and the bottom of fresh-water tank 2, are connected with each other by fresh water pipe 2-1, received
Collection fresh water is simultaneously discharged.
2nd, heat pump cycle:What the low pressure superheated gaseous heat pump fluid 7 at the top of evaporator 1 was driven by combustion gas explosive motor
Compressor 5 is collapsed into high pressure superheater gaseous state heat pump fluid 7, is re-fed into siphon circulation in first effect pipe and rises membrane distiller 6-2-I's
Shell side and condense as high pressure supercooled liquid heat pump fluid 7, flow through Subcooled heat recovery device 5-3, device for drying and filtering 4-1, then expanded
Valve 4 throttles and turns into low pressure two-phase heat pump fluid 7, back flows back on the inside of the pipe of evaporator 1 to complete heat pump cycle, while cold
Solidifying heat is released to the feed liquid 8 in siphon circulation liter membrane distiller 6-2-I tube sides in first effect pipe, to provide first effect distillation latent heat.
3rd, heat pump fluid evaporates:The temperature-sensitive bag closed loop control that the top gaseous state heat pump fluid outlet tube outer surface of evaporator 1 is set
The aperture of expansion valve 4 processed, so that low pressure two-phase heat pump fluid 7 flows through bottom liquid heat pump fluid import, evaporator 1 from bottom to up
Horizontal heat exchange tube on the inside of, the outlet of top gaseous state heat pump fluid, distill out the latent heat of condensation of indirect steam to extract quadruple effect and do
Formula evaporation turns into low area overheat gas.
4th, heat pump fluid condensation heat release:High pressure superheater gaseous state heat pump fluid 7 flows through siphon circulation in first effect pipe from top to bottom
Rise gaseous state heat pump fluid import 6-6, the vertical heat absorption tube bundle 6-3 of middle part annulus distribution and the circle at the top of membrane distiller 6-2-I shell sides
Column space siphon decline passway 6-5 outside, bottom liquid heat pump fluid outlet 6-7, wherein in a counter-current configuration releasing by parts its
Sensible heat, condensation latent heat, supercooling sensible heat are overheated, and condensing turns into high pressure supercooled liquid heat pump fluid 7.
5th, cylinder sleeve heat release:Driving equipment 5-1 cylinder sleeve recirculated cooling water and flue gas recirculation cooling water flows through cylinder sleeve regenerator
5-2 cooling water sides, to cool after discharging its sensible heat.
6th, oil cooling heat release:Through oil eliminator 5-4 it is separated go out compressor high temperature grease, flow through its bottom according to pressure difference
Oil-out, hand-operated valve 5-9, oil cooler 5-8 lubricating oil side, oil strainer 5-5, flow switch 5-6, magnetic valve 5-7, hand-operated valve
5-9, compressor 5 oil return opening, to cool after discharging its sensible heat.
7th, heat release is subcooled:Condensation turns into the liquid heat pump fluid 7 of high pressure supercooling, flows through liquid heat pump fluid outlet 6-7, mistake
Cold regenerator 5-3 heat pump fluids side, to cool after discharging its sensible heat.
8th, feed liquid step backheat:Siphon circulation rises the liquid level that membrane distiller 6-2-IV tube sides upper inside wall is set in quadruple effect pipe
Switch 3, according to the aperture of the liquid level signal closed-loop control feed liquid flow control valve 9 of feed liquid, so as to driven by feed pump 19
Feed liquid 8, first by parallel connection 17 preliminary backheat of fresh water regenerator 15 and concentrate regenerator after, then step recovery tank set regenerator
5-2 cylinder sleeve sensible heat, oil cooler 5-8 oil cooling sensible heat, Subcooled heat recovery device 5-3 supercooling sensible heat, with by step backheat to four
Temperature needed for effect distillation.
9th, feed liquid is by effect distillation, concentration:Gas-liquid separation of the feed liquid 8 again through air bleeding valve 20 after step backheat, and from feed liquid
Inlet tube 6-1 flows into the top of multiple-effect heat pipe-type destilling tower 6, then flows through siphon in quadruple effect pipe from top to bottom according to Action of Gravity Field and follows
Ring rises on the inside of membrane distiller 6-2-IV cylindrical space siphon decline passway 6-5 and its feed liquid down-comer 6-13 and magnetic valve 5-7,
Siphon circulation rises membrane distiller 6-2-III cylindrical space siphon decline passway 6-5 inner sides and its feed liquid down-comer in triple effect pipe
Siphon circulation is risen in membrane distiller 6-2-II cylindrical space siphon decline passway 6-5 in 6-13 and magnetic valve 5-7, two effect pipes
Side and its feed liquid down-comer 6-13 and magnetic valve 5-7, the first cylindrical space siphon imitated siphon circulation in pipe and rise membrane distiller 6-2-I
On the inside of decline passway 6-5, each liquid-level switch 3 imitated siphon circulation in pipe and rise the setting of membrane distiller 6-2 tube sides upper inside wall, foundation
Magnetic valve 5-7 aperture in the liquid level signal closed-loop control aftereffect feed liquid down-comer 6-13 of feed liquid, to control siphon in each effect pipe
Liter membrane distiller 6-2 liquid level is circulated, realizes declining by effect, heat up, distilling, concentrating for feed liquid 8.
10th, the liter membrane distillation of feed liquid:Often effect circle is flowed into by top feed liquid down-comer 6-13 or liquor inlet pipe 6-1
Feed liquid 8 on the inside of column space siphon decline passway 6-5, with the effect concentrate 11 jointly to being lowered into branch chamber 6-4, then
The siphon of effect cylindrical space, which declines, before a part is branched to downwards by bottom feed liquid down-comer 6-13 and magnetic valve 5-7 continuation leads to
On the inside of road 6-5 or in concentration flow container 6-8, another part is then flowed upwardly on the inside of the vertical heat absorption tube bundle 6-3 of effect annulus distribution,
In a counter-current configuration extraction before effect indirect steam condensation heat or heat pump fluid 7 condensation heat release and rise membrane distillation, when proportion at double
The siphon circulation of driving augmentation of heat transfer is formed during reduction, and distills out the effect indirect steam.
11st, fixed gas discharge and the Stress control of distillery are respectively imitated:Vavuum pump 14 is opened, and by each effect distillery top
Pressure switch 12 and/or temperature switch 13 that wall is set control the magnetic valve 5-7 apertures on fixed gas outlet 6-12, to arrange
Each effect distillation chamber pressure is controlled while going out fixed gas.
12nd, fresh water heat release cools:Fresh water 10 in the distiller fresh-water tank 6-11 and fresh-water tank 2 of each effect distillery is by light
Water pump 16 drives, and flows through the side of fresh water 10 of fresh water regenerator 15, while fresh water 10 are taken, to discharge its sensible heat to feed liquid 8
And cool.
13rd, concentrate heat release cools:Driven, flowed by concentrate pump 18 again from the concentrate 11 of concentrated solution outlet 6-9 outflows
The side of concentrate 11 of concentrated liquid regenerator 17, while concentrate 11 are discharged, to discharge its sensible heat to feed liquid 8 and cool.
14th, fractional crystallization thing:Its sensible heat is discharged to feed liquid 8 and is cooled to the concentrate 11 of normal temperature, through solid-liquid separation knot
Brilliant thing 22 and concentrate 11, it is stand-by that crystal 22 then delivers to collecting pit by conveyer belt.
15th, circular treatment:By solid-liquid separating machine 21 it is separated go out concentrate 11 flow through feed pump 19 import threeway and
Mixed with supplement feed liquid 8, then driven by feed pump 19 and return to circular treatment in multiple-effect heat pipe-type destilling tower 6, to realize circulation warp
Zero-emission in Ji.
16th, preheating is started:For stable operation multiple-effect heat pipe-type destilling tower 6, first start what concentration flow container 6-8 inwalls were set
Preheater 6-10, to preheat concentrate 11 to head effect vapo(u)rizing temperatures;First round quadruple effect indirect steam is reclaimed by evaporator with heat pump 1 again
The latent heat of condensation, and as siphon circulation in head effect pipes rise membrane distiller 6-2-I the second wheel is provided needed for first effect distillation latent heat, and close
Close preheater 6-10.
Therefore compared with existing distillation technique, the technology of the present invention advantage is as follows:
(1) system integration condensing source heat pump, heat exchange of heat pipe, multi-effect distilling technique, it is heat pump industry, heat exchange industry, steams
Evaporate the product transboundary of industry;
(2) the end effect secondary steam latent heat of condensation is reclaimed by condensing source heat pump, realizes that condenser separately provides first effect distillation
Required thermal source;
(3) it is superimposed by open multi-stage heat pipe, realizes countercurrent flow, the distillation technique of single column multiple-effect, is utilized by effect
The indirect steam latent heat of condensation;
(4) integrated design of condenser, multiple-effect heat pipe-type destilling tower, evaporator is realized;
(5) heat pump driven multiple-effect heat pipe-type distillation technique is realized.
Therefore compared with existing pressure decatize distillation unit, the technology of the present invention advantage is as follows:System integration condensing source heat pump, heat
Heat exchange of heat pipe, multi-effect distilling technique, it is heat pump industry, heat exchange industry, the product transboundary for distilling industry;Returned by condensing source heat pump
The end effect secondary steam latent heat of condensation is received, realizes that condenser separately provides thermal source needed for first effect distillation;Pass through open multi-stage heat pipe
Superposition, realizes countercurrent flow, the distillation technique of single column multiple-effect, to utilize the indirect steam latent heat of condensation by effect;Realize condenser, more
Imitate the integrated design of heat pipe-type destilling tower, evaporator;Realize heat pump driven multiple-effect heat pipe-type distillation technique.
(4) illustrate
Accompanying drawing 1 is system flow chart of the invention.
As shown in Figure 1, wherein:1- evaporators;2- fresh-water tanks;2-1- fresh water pipes;3- liquid-level switches;4- expansion valves;4-
1- devices for drying and filtering;5- compressors;5-1- driving equipments;5-2- cylinder sleeve regenerators;5-3- Subcooled heat recovery devices;5-4- oil separation
Device;5-5- oil strainers;5-6- flow switches;5-7- magnetic valves;5-8- oil coolers;5-9- hand-operated valves;6- multiple-effect heat pipe-types
Destilling tower;6-1- liquor inlet pipes;Siphon circulation rises membrane distiller in the first effect pipes of 6-2-I-;6-2- II- bis- are imitated siphon in pipe and followed
Ring rises membrane distiller;Siphon circulation rises membrane distiller in 6-2-III- triple effect pipes;Siphon circulation rises film and steamed in 6-2-IV- quadruple effect pipes
Evaporate device;The vertical heat absorption tube bundle of 6-3- annulus distribution;6-4- branch chambers;6-5- cylindrical space siphon decline passways;6-6- gaseous states heat
Pump work substance import;6-7- liquid heat pump fluid exports;6-8- concentrates flow container;6-9- concentrated solution outlets;6-10- preheaters;6-
11- distiller fresh-water tanks;6-12- fixed gas outlets;6-13- feed liquid down-comers;6-14- vapour liquid separators;7- heat pump fluids;
8- feed liquids;9- feed liquid flow control valves;10- fresh water;11- concentrates;12- pressure switches;13- temperature switches;14- vavuum pumps;
15- fresh water regenerators;16- fresh water pumps;17- concentrate regenerators;18- concentrate pumps;19- feed pumps;20- air bleeding valves;21-
Solid-liquid separating machine;22- crystals form.
(5) embodiment
Condensing source proposed by the present invention heat pump driving multiple-effect heat pipe-type destilling tower is implemented for example shown in accompanying drawing 1, now illustrates such as
Under:It takes heat 664kW, horizontally disposed, copper tube manufacture evaporator 1 by evaporating;0.3m3 fresh-water tank 2;Diameter 10mm/
Wall thickness 1mm/ overall lengths 1600mm stainless steel tube fresh water pipe 2-1;Elevation 100mm molten stainless steel bit switch 3;Interface diameter
60mm/ wall thickness 1mm red copper heating power expansion valve 4;Interface diameter 60mm/ wall thickness 1mm red copper device for drying and filtering 4-1;Inspiratory capacity
600m3/h compressor 5;Export shaft power 109kW combustion gas explosive motor;Cylinder sleeve cools down and flue gas backheat amount 109kW
Cylinder sleeve regenerator 5-2;Backheat amount 33kW Subcooled heat recovery device 5-3;Backheat amount 9kW oil eliminator 5-4;Interface diameter 19mm/
Wall thickness 1mm red copper oil strainer 5-5;Interface diameter 19mm/ wall thickness 1mm red copper flow switch 5-6;Interface diameter 19mm/
Wall thickness 1mm red copper magnetic valve 5-7;Interface diameter 19mm/ wall thickness 1mm/ amount of cooling water 9kW red copper oil cooler 5-8;Interface
Diameter 19mm/ wall thickness 1mm red copper hand-operated valve 5-9;Multiple-effect heat pipe-type destilling tower 6;Diameter 60mm/ wall thickness 2.5mm/ length
600mm stainless steel tube liquor inlet pipe 6-1;Rainbow in diameter 1200mm/ height 12mm/ condensation thermal discharges 773kW first effect pipe
Inhale circulation and rise membrane distiller 6-2-I;Siphon circulation liter in diameter 1200mm/ height 12mm/ condensation thermal discharges 772kW two effect pipes
Membrane distiller 6-2-II;Siphon circulation rises membrane distillation in diameter 1200mm/ height 12mm/ condensation thermal discharges 771kW triple effect pipe
Device 6-2-III;Siphon circulation rises membrane distiller 6-2- in diameter 1200mm/ height 12mm/ condensation thermal discharges 770kW quadruple effect pipe
IV;Bag diameter 700mm/ height 1000mm/ calibers 19mm first effect annulus is distributed vertical endothermic tube in overall diameter 1200mm/
Cluster 6-3;Bag diameter 470mm/ height 1000mm/ calibers 19mm two effects, triple effect, quadruple effect annulus point in overall diameter 800mm/
Cloth vertically absorbs heat tube bundle 6-3;Diameter 1200mm/ height 120mm head imitates cylindrical branch chamber 6-4;Diameter 800mm/ height
120mm two effects, triple effect, quadruple effect cylinder branch chamber 6-4;Internal diameter 680mm/ thickness 3mm/ height 1000mm first effect cylinder
Space siphon decline passway 6-5;Internal diameter 450mm/ thickness 3mm/ height 1000mm two effects, triple effect, quadruple effect cylindrical space siphon
Decline passway 6-5;Diameter 90mm/ wall thickness 1.5mm/ length 200mm copper tube gaseous state heat pump fluid import 6-6;Diameter
40mm/ wall thickness 1.5mm/ length 100mm copper tube liquid heat pump fluid outlet 6-7;Volume 1m3 concentration flow container 6-8;Directly
Footpath 45mm/ wall thickness 1.5mm/ length 150mm stainless steel tube concentrated solution outlet 6-9;Electrical heating power 200kW preheater 6-
10;Diameter 800mm/ height 100mm cylindrical distiller fresh-water tank 6-11;Interface diameter 9mm/ wall thickness 0.9mm/ length
150mm copper tube fixed gas outlet 6-12;Diameter 60mm/ wall thickness 2.5mm/ length 800mm stainless steel tube feed liquid declines
Pipe 6-13;Circular, screen type vapour liquid separator 6-14;R134a heat pump fluids 7;20 DEG C of inlet temperature, flow 11.58t/h,
Concentration 35000ppm seawater;Interface diameter 60mm/ wall thickness 2.5mm/ length 150mm stainless steel feed liquid flow control valve 9;Go out
25 DEG C of temperature of mouth, flow 5.79t/h, concentration 50ppm fresh water 10;25 DEG C of outlet temperature, flow 5.79t/h, concentration
70000ppm salt solution 11;0.5bar-2.0bar pressure switch 12;0 DEG C -120 DEG C of temperature switch 13;Extraction flow
3m3/min vavuum pump 14;Backheat amount 200kW bushing type fresh water regenerator 15;Flow 5.79t/h, lift 5mH2O it is light
Water pump 16;Backheat amount 200kW bushing type concentrate regenerator 17;Flow 5.79t/h, lift 5mH2O concentrate pump 18;Stream
Measure 11.58t/h, lift 5mH2O feed pump 19;Interface diameter 60mm/ wall thickness 2.5mm/ length 160mm stainless steel tube row
Air valve 20;Concentrate processing flow 5.79t/h screw settling centrifuge;25 DEG C of temperature, mass concentration 85%, flow 1t/h
Crystal salt 22 form.
The top gaseous state heat pump fluid outlet of evaporator 1 connects compressor 5, oil eliminator 5-4, the first effect in bottom by pipeline
Siphon circulation rises membrane distiller 6-2-I shell sides, Subcooled heat recovery device 5-3, device for drying and filtering 4-1, expansion valve 4, the bottom of evaporator 1 in pipe
Portion's liquid heat pump fluid import, composition heat pump cycle loop;
Oil eliminator 5-4 bottom oil-outs connect hand-operated valve 5-9, oil cooler 5-8 lubricating oil side, oily mistake by pipeline
Filter 5-5, flow switch 5-6, magnetic valve 5-7, hand-operated valve 5-9, the oil return opening of compressor 5, composition oil cooling heat release loop;
Siphon circulation rises membrane distiller 6-2-I top heat absorption distillation surface in the first effect pipe of multiple-effect heat pipe-type destilling tower 6
Membrane distiller 6-2-II bottom heat release condensation surface is risen with siphon circulation in two effect pipes, forms first effect heat pipe-type distillery I;
Siphon circulation rises membrane distiller 6-2-II top heat absorption distillation surface and siphon circulation in triple effect pipe in two effect pipes
Rise membrane distiller 6-2-III bottom heat release condensation surface, the effect heat pipe-type distillery of composition two II;
Siphon circulation rises membrane distiller 6-2-III top heat absorption distillation surface and siphon circulation in quadruple effect pipe in triple effect pipe
Rise membrane distiller 6-2-IV bottom heat release condensation surface, composition triple effect heat pipe-type distillery III;
Siphon circulation rises membrane distiller 6-2-IV top heat absorption distillation surface and the horizontal heat exchange of evaporator 1 in quadruple effect pipe
Heat delivery surface outside pipe, composition quadruple effect heat pipe-type distillery IV;
The distiller fresh-water tank 6-11 of each effect distillery and the bottom of fresh-water tank 2, are connected with each other, group by fresh water pipe 2-1
Into fresh water collecting loop;
Bottom liquid heat pump fluid import, horizontal heat exchange tube inner side, the outlet of top gaseous state heat pump fluid of evaporator 1, group
Hot dry type evaporation circuit is taken in into the pipe of heat pump fluid;
The aperture for the temperature-sensitive bag closed-loop control expansion valve 4 that the top gaseous state heat pump fluid outlet tube outer surface of evaporator 1 is set,
And the outlet of expansion valve 4 connects the bottom liquid heat pump fluid import of evaporator 1, composition heat pump fluid expansion control by pipeline
Loop;
Siphon circulation rises top gaseous state heat pump fluid import 6-6, the middle part annulus of membrane distiller 6-2-I shell sides in head effect pipes
The vertical heat absorption tube bundle 6-3 and cylindrical space siphon decline passway 6-5 of distribution outside, bottom liquid heat pump fluid outlet 6-7,
Form the reversed flow condensation heat release loop of heat pump fluid;
Liquor inlet pipe 6-1 stretch into siphon circulation in quadruple effect pipe rise under membrane distiller 6-2-IV feed liquid distillation liquid level, four
Siphon circulation liter membrane distiller 6-2-IV feed liquid down-comer 6-13 stretches into rainbow in triple effect pipe after flowing through magnetic valve 5-7 in effect pipe
Inhale under circulation liter membrane distiller 6-2-III feed liquid distillation liquid level, siphon circulation rises membrane distiller 6-2-III material in triple effect pipe
Liquid down-comer 6-13 stretches into the feed liquid distillate that siphon circulation in two effect pipes rises membrane distiller 6-2-II after flowing through magnetic valve 5-7
Siphon circulation liter membrane distiller 6-2-II feed liquid down-comer 6-13 stretches into first effect after flowing through magnetic valve 5-7 under face, in two effect pipes
Siphon circulation is risen under membrane distiller 6-2-I feed liquid distillation liquid level in pipe, forms multi-effect distilling and the fluid-tight resistance vapour loop of feed liquid;
Siphon circulation rises the bottom branch chamber 6-4 of membrane distiller 6-2 tube sides, the vertical heat absorption tube bundle of middle part annulus distribution in pipe
6-3 and cylindrical space siphon decline passway 6-5 inner side, top feed liquid distillation liquid level, form siphon circulation liter in the pipe of feed liquid
The vertical heat absorption tube bundle 6-3 of membrane distillation loop, wherein annulus distribution is annulus distribution, vertically disposed tube bundle, and its center sets one
Individual cylindrical space siphon decline passway 6-5, and multiple cylindrical spaces of tube bundle inwall are set to siphon rising passway, siphon declines logical
The circulation area in road and siphon rising passway is roughly equal;
The shell of multiple-effect heat pipe-type destilling tower 6 is the vertically disposed face of cylinder;
Siphon circulation rises membrane distiller 6-2-IV tube sides upper inside wall and sets liquid-level switch 3 in quadruple effect pipe, according to feed liquid liquid
The aperture of position signal closed-loop control feed liquid flow control valve 9, and the outlet of feed liquid flow control valve 9 is connected by placed in series and arranged
Air valve 20, liquor inlet pipe 6-1, form exhaust and the flow control circuit of feed liquid;
Siphon circulation rises membrane distiller 6-2-I, II, III tube side upper inside wall and sets liquid-level switch 3 in remaining each effect pipe,
According to the aperture of magnetic valve 5-7 in feed liquid liquid level signal closed-loop control aftereffect feed liquid down-comer 6-13, each effect distiller is formed
Feed liquid liquid level control loop;
The upper inside wall for often imitating distillery sets pressure switch 12 and temperature switch 13 each one;
The air inlet of vavuum pump 14 connects the magnetic valve 5-7 and fixed gas row at the top of each effect distillery by parallel pipeline
6-12 is exported, and the pressure switch 12 and/or temperature switch 13 that are set by every effect distillery upper inside wall control magnetic valve 5-7's
Aperture, the discharge of composition distillery fixed gas and pressure control loop;
The house steward in fresh water collecting loop connects the side of fresh water 10 of fresh water regenerator 15, fresh water pump 16, form the taking of fresh water,
Heat release loop;
Siphon circulation rises membrane distiller 6-2-I tube side bottom connection concentration flow container 6-8, the concentration of its bottom in head effect pipes
Liquid exports the side of concentrate 11, the concentrate pump 18 that 6-9 connects concentrate regenerator 17 by pipeline, form concentrate discharge,
Heat release loop;
The outlet of feed pump 19 connects diversion three-way, fresh water regenerator 15 and concentrate regenerator in parallel by pipeline
17 side of feed liquid 8, threeway of confluxing, the driving equipment 5-1 cylinder sleeve regenerator 5-2 side of feed liquid 8, oil cooler 5-8 feed liquid 8
Side, Subcooled heat recovery device 5-3 feed liquid 8 side, feed liquid flow control valve 9 import, composition feed liquid step backheat loop.
The inwall for concentrating flow container 6-8 sets preheater 6-10, forms the startup preheating circuit of concentrate.
Concentrated solution outlet 6-9 passes through the side of concentrate 11 of pipeline connection concentrate regenerator 17, concentrate pump 18, solid-liquid point
Disembark 21 and its crystal 22 export, crystal 22, composition concentrate and crystal separating circuit;And solid-liquid separating machine 21 is dense
Contracting liquid 11 exports the import threeway that feed pump 19 is then connected by pipeline, forms the crystallization of concentrate, separation, mixes, is recycled back to
Road.
Solid-liquid separating machine 21 is screw settling centrifuge.
Driving equipment 5-1 is gas driven explosive motor.
Feed liquid 8 is seawater.
Fresh water regenerator 15 is double pipe heat exchanger.
Concentrate regenerator 17 is double pipe heat exchanger.
In the embodiment of the present invention:
1st, heat pump driving multiple-effect heat pipe-type destilling tower:In multiple-effect heat pipe-type destilling tower 6, siphon circulation rises film and steamed in head effect pipes
The device 6-2-I vertical heat absorption tube bundle 6-3 inner surface sorption type heat pumps 773kW of annulus distribution condensation heat release is evaporated, with inflow feed liquid 8
70 DEG C, flow 1.16t/h indirect steam are distilled out, after vapour liquid separator 6-14 filtering, and siphon follows in two effect pipes
Ring rises the membrane distiller 6-2-II vertical heat absorption tube bundle 6-3 outer surfaces of annulus distribution, and heat release condenses as fresh water and discharged, according to weight
Power is fallen into its distiller fresh-water tank 6-11, and the closing distillery forms first effect 70 DEG C, heat exchange amount of the indirect steam for working medium
773kW open heat-pipe;
The siphon circulation liter membrane distiller 6-2-II vertical heat absorption tube bundle 6-3 inner surfaces of annulus distribution absorb in two effect pipes
70 DEG C of indirect steam 772kW of the head effects latent heat of condensation, so that inflow feed liquid 8 is distilled out 65 DEG C, flow 1.16t/h secondary steaming
Vapour, after vapour liquid separator 6-14 filtering, and siphon circulation liter membrane distiller 6-2-III annulus distribution is hung down in triple effect pipe
Straight heat absorption tube bundle 6-3 outer surfaces, heat release condense as fresh water and discharged, fallen into according to gravity in its distiller fresh-water tank 6-11, should
Close distillery and form two effect 65 DEG C, heat exchange amount 772kW open heat-pipes of the indirect steam for working medium;
Siphon circulation rises the membrane distiller 6-2-III vertical heat absorption tube bundle 6-3 inner surfaces absorption of annulus distribution in triple effect pipe
Two 65 DEG C of indirect steam 771kW of the effect latent heat of condensation, so that inflow feed liquid 8 is distilled out 60 DEG C, flow 1.16t/h secondary steaming
Vapour, after vapour liquid separator 6-14 filtering, and siphon circulation liter membrane distiller 6-2-IV annulus distribution is hung down in quadruple effect pipe
Straight heat absorption tube bundle 6-3 outer surfaces, heat release condense as fresh water and discharged, fallen into according to gravity in its distiller fresh-water tank 6-11, should
Close distillery and form 60 DEG C of triple effect, the heat exchange amount 771kW open heat-pipe that indirect steam is working medium;
Siphon circulation rises the membrane distiller 6-2-IV vertical heat absorption tube bundle 6-3 inner surfaces absorption of annulus distribution in quadruple effect pipe
60 DEG C of indirect steam 770kW of the triple effect latent heat of condensation, so that inflow feed liquid 8 is distilled out 55 DEG C, flow 1.16t/h secondary steaming
Vapour, after vapour liquid separator 6-14 filtering, and condensed in the horizontal heat exchange tube outer surface of evaporator 1, heat release as fresh water simultaneously
Discharge, falls into its fresh-water tank 2 according to gravity, and provides thermal source for heat pump, and the closing distillery forms indirect steam as working medium
55 DEG C of quadruple effect, heat exchange amount 770kW open heat-pipe;
The distiller fresh-water tank 6-11 of each effect distillery and the bottom of fresh-water tank 2, are connected with each other by fresh water pipe 2-1, received
Collection fresh water is simultaneously discharged.
2nd, heat pump cycle:The low pressure superheated gaseous heat pump fluid 7 at the top of evaporator 1 is output shaft power 109kW combustion gas
The compressor 5 that explosive motor is driven is collapsed into high pressure superheater gaseous state heat pump fluid 7, is re-fed into siphon circulation in first effect pipe
Rise membrane distiller 6-2-I shell side and condense as high pressure supercooled liquid heat pump fluid 7, flow through Subcooled heat recovery device 5-3, dried
Filter 4-1, then expanded valve 4 throttle and turn into low pressure two-phase heat pump fluid 7, back flow back on the inside of the pipe of evaporator 1 with complete
Into heat pump cycle, while 773kW condenser heat is released to siphon circulation in first effect pipe and rises the decline of membrane distiller 6-2-I tube sides
Enter 67 DEG C of temperature, flow 11.58t/h feed liquid 8, to provide first effect distillation latent heat.
3rd, heat pump fluid evaporates:The temperature-sensitive bag closed loop control that the top gaseous state heat pump fluid outlet tube outer surface of evaporator 1 is set
The aperture of expansion valve 4 processed so that low pressure two-phase R134a heat pump fluids 7 flow through from bottom to up bottom liquid heat pump fluid import,
On the inside of the horizontal heat exchange tube of evaporator 1, the outlet of top gaseous state heat pump fluid, distill out the condensation of indirect steam to extract quadruple effect and dive
Hot and dry type, which is evaporated, turns into low area overheat gas.
4th, heat pump fluid condensation heat release:High pressure superheater gaseous state heat pump fluid 7 flows through siphon circulation in first effect pipe from top to bottom
Rise gaseous state heat pump fluid import 6-6, the vertical heat absorption tube bundle 6-3 of middle part annulus distribution and the circle at the top of membrane distiller 6-2-I shell sides
Column space siphon decline passway 6-5 outside, bottom liquid heat pump fluid outlet 6-7, wherein in a counter-current configuration releasing by parts its
Sensible heat, condensation latent heat, supercooling sensible heat are overheated, and condensing turns into high pressure supercooled liquid heat pump fluid 7.
5th, cylinder sleeve heat release:Driving equipment 5-1 cylinder sleeve recirculated cooling water and flue gas recirculation cooling water flows through cylinder sleeve regenerator
5-2 cooling water sides, to cool after discharging its sensible heat.
6th, oil cooling heat release:Through oil eliminator 5-4 it is separated go out compressor high temperature grease, flow through its bottom according to pressure difference
Oil-out, hand-operated valve 5-9, oil cooler 5-8 lubricating oil side, oil strainer 5-5, flow switch 5-6, magnetic valve 5-7, hand-operated valve
5-9, compressor 5 oil return opening, to cool after discharging its sensible heat.
7th, heat release is subcooled:Condensation turns into the liquid heat pump fluid 7 of high pressure supercooling, flows through liquid heat pump fluid outlet 6-7, mistake
Cold regenerator 5-3 heat pump fluids side, to cool after discharging its sensible heat.
8th, feed liquid step backheat:Siphon circulation rises the liquid level that membrane distiller 6-2-IV tube sides upper inside wall is set in quadruple effect pipe
Switch 3, according to feed liquid liquid level signal closed-loop control feed liquid flow control valve 9 aperture so that by feed pump 19 drive into
20 DEG C of temperature of mouth, flow 11.58t/h, salinity 35000ppm feed liquid 8, first by the fresh water regenerator 15 and concentrate of parallel connection
After 17 preliminary backheat of regenerator, then step recovery tank set regenerator 5-2 109kW cylinder sleeves sensible heat, oil cooler 5-8 9kW oil
The 33kW supercooling sensible heats of cold sensible heat, Subcooled heat recovery device 5-3, with 67 DEG C needed for step backheat to quadruple effect distillation.
9th, feed liquid is by effect distillation, concentration:Gas-liquid separation of the feed liquid 8 again through air bleeding valve 20 after step backheat, and from feed liquid
Inlet tube 6-1 flows into the top of multiple-effect heat pipe-type destilling tower 6, then flows through siphon in quadruple effect pipe from top to bottom according to Action of Gravity Field and follows
Ring rises on the inside of membrane distiller 6-2-IV cylindrical space siphon decline passway 6-5 and its feed liquid down-comer 6-13 and magnetic valve 5-7,
Siphon circulation rises membrane distiller 6-2-III cylindrical space siphon decline passway 6-5 inner sides and its feed liquid down-comer in triple effect pipe
Siphon circulation is risen in membrane distiller 6-2-II cylindrical space siphon decline passway 6-5 in 6-13 and magnetic valve 5-7, two effect pipes
Side and its feed liquid down-comer 6-13 and magnetic valve 5-7, the first cylindrical space siphon imitated siphon circulation in pipe and rise membrane distiller 6-2-I
On the inside of decline passway 6-5, each liquid-level switch 3 imitated siphon circulation in pipe and rise the setting of membrane distiller 6-2 tube sides upper inside wall, foundation
Magnetic valve 5-7 aperture in the liquid level signal closed-loop control aftereffect feed liquid down-comer 6-13 of feed liquid, to control siphon in each effect pipe
Liter membrane distiller 6-2 liquid level is circulated, realizes declining by effect, heat up, distilling, concentrating for feed liquid 8.
10th, the liter membrane distillation of feed liquid:Often effect circle is flowed into by top feed liquid down-comer 6-13 or liquor inlet pipe 6-1
Feed liquid 8 on the inside of column space siphon decline passway 6-5, with the effect concentrate 11 jointly to being lowered into branch chamber 6-4, then
The siphon of effect cylindrical space, which declines, before a part is branched to downwards by bottom feed liquid down-comer 6-13 and magnetic valve 5-7 continuation leads to
On the inside of road 6-5 or in concentration flow container 6-8, another part is then flowed upwardly on the inside of the vertical heat absorption tube bundle 6-3 of effect annulus distribution,
The condensation heat release of 773kW preceding effect indirect steam condensation heat or heat pump fluid 7 is extracted in a counter-current configuration and rises membrane distillation, when
The siphon circulation of driving augmentation of heat transfer is formed when proportion reduces at double, and distills out effect flow 1.16t/h indirect steam.
11st, fixed gas discharge and the Stress control of distillery are respectively imitated:Extraction flow 3m3/min vavuum pump 14 is opened, and
The pressure switch 12 and/or temperature switch 13 that are set by each effect distillery upper inside wall control the electricity on fixed gas outlet 6-12
Magnet valve 5-7 apertures, to control each effect distillation chamber pressure while fixed gas is discharged.
12nd, fresh water heat release cools:63 DEG C of temperature, salt are dense in the distiller fresh-water tank 6-11 and fresh-water tank 2 of each effect distillery
Degree 50ppm fresh water 10 is driven by flow 5.79t/h fresh water pump 16, the side of fresh water 10 of fresh water regenerator 15 is flowed through, to take
While with fresh water 10, discharge its sensible heat to feed liquid 8 and be cooled to 25 DEG C.
13rd, concentrate heat release cools:From 66 DEG C of temperature of concentrated solution outlet 6-9 outflows, salinity 70000ppm concentrate
11 are driven by flow 5.79t/h concentrate pump 18 again, flow through the side of concentrate 11 of concentrate regenerator 17, to be concentrated in discharge
While liquid 11, discharge its sensible heat to feed liquid 8 and be cooled to 25 DEG C.
14th, fractional crystallization thing:Its sensible heat is discharged to feed liquid 8 and is cooled to 25 DEG C of concentrate 11, concentrated liquid processing stream
Measure 5.79t/h screw settling centrifuge and 25 DEG C of solid-liquid separation temperature, mass concentration 85%, flow 1t/h crystal
22 then deliver to collecting pit with 25 DEG C of temperature, mass concentration 15%, flow 4.79t/h concentrate 11, crystal 22 by conveyer belt
It is stand-by.
15th, circular treatment:By screw settling centrifuge it is separated go out 25 DEG C of temperature, mass concentration 15%, flow 4.79t/
H concentrate 11 flows through the import threeway of feed pump 19 and mixed with supplement feed liquid 8, then is driven by feed pump 19 and return to multiple-effect heat
Circular treatment in tubular type destilling tower 6, to realize the zero-emission in recycling economy.
16th, preheating is started:For stable operation multiple-effect heat pipe-type destilling tower 6, first start what concentration flow container 6-8 inwalls were set
Preheater 6-10, to preheat concentrate 11 to head effect vapo(u)rizing temperatures;First round quadruple effect indirect steam is reclaimed by evaporator with heat pump 1 again
The latent heat of condensation, and as siphon circulation in head effect pipes rise membrane distiller 6-2-I the second wheel is provided needed for first effect distillation latent heat, and close
Close preheater 6-10.
Claims (8)
1. a kind of condensing source heat pump drives multiple-effect heat pipe-type destilling tower, it is by evaporator (1);Fresh-water tank (2);Fresh water pipe (2-1);
Liquid-level switch (3);Expansion valve (4);Device for drying and filtering (4-1);Compressor (5);Driving equipment (5-1);Cylinder sleeve regenerator (5-
2);Subcooled heat recovery device (5-3);Oil eliminator (5-4);Oil strainer (5-5);Flow switch (5-6);Magnetic valve (5-7);Oil cooling
But device (5-8);Hand-operated valve (5-9);Multiple-effect heat pipe-type destilling tower (6);Liquor inlet pipe (6-1);Siphon circulation liter in head effect pipes
Membrane distiller (6-2-I);Siphon circulation rises membrane distiller (6-2-II) in two effect pipes;Siphon circulation rises membrane distiller in triple effect pipe
(6-2-III);Siphon circulation rises membrane distiller (6-2-IV) in quadruple effect pipe;The vertical heat absorption tube bundle (6-3) of annulus distribution;Branch chamber
(6-4);Cylindrical space siphon decline passway (6-5);Gaseous state heat pump fluid import (6-6);Liquid heat pump fluid exports (6-7);
Concentrate flow container (6-8);Concentrated solution outlet (6-9);Preheater (6-10);Distiller fresh-water tank (6-11);Fixed gas outlet (6-
12);Feed liquid down-comer (6-13);Vapour liquid separator (6-14);Heat pump fluid (7);Feed liquid (8);Feed liquid flow control valve (9);
Fresh water (10);Concentrate (11);Pressure switch (12);Temperature switch (13);Vavuum pump (14);Fresh water regenerator (15);Fresh water
Pump (16);Concentrate regenerator (17);Concentrate pump (18);Feed pump (19);Air bleeding valve (20);Solid-liquid separating machine (21);Knot
Brilliant thing (22) composition, it is characterised in that:The outlet of gaseous state heat pump fluid connects compressor (5), oil by pipeline at the top of evaporator (1)
Siphon circulation rises membrane distiller (6-2-I) shell side, Subcooled heat recovery device (5-3), dried in separator (5-4), the first effect pipe in bottom
Filter (4-1), expansion valve (4), the liquid heat pump fluid import of evaporator (1) bottom, composition heat pump cycle loop;Oil eliminator
(5-4) bottom oil-out connects hand-operated valve (5-9), oil cooler (5-8) lubricating oil side, oil strainer (5-5), stream by pipeline
Amount switch (5-6), magnetic valve (5-7), hand-operated valve (5-9), compressor (5) oil return opening, composition oil cooling heat release loop;Multiple-effect heat pipe
Siphon circulation rises the top heat absorption distillation surface of membrane distiller (6-2-I) and rainbow in two effect pipes in the first effect pipe of formula destilling tower (6)
The bottom heat release condensation surface that circulation rises membrane distiller (6-2-II) is inhaled, forms first effect heat pipe-type distillery I;Siphon in two effect pipes
The top heat absorption distillation surface that circulation rises membrane distiller (6-2-II) rises membrane distiller (6-2-III) with siphon circulation in triple effect pipe
Bottom heat release condensation surface, the effect of composition two heat pipe-type distillery II;Siphon circulation rises membrane distiller (6-2-III) in triple effect pipe
Top heat absorption distillation surface and quadruple effect pipe in siphon circulation rise the bottom heat release condensation surface of membrane distiller (6-2-IV), composition
Triple effect heat pipe-type distillery III;Siphon circulation rises the top heat absorption distillation surface of membrane distiller (6-2-IV) with steaming in quadruple effect pipe
Send out heat delivery surface outside the horizontal heat exchange tube of device (1), composition quadruple effect heat pipe-type distillery IV;The distiller fresh water of each effect distillery
The bottom of groove (6-11) and fresh-water tank (2), it is connected with each other by fresh water pipe (2-1), composition fresh water collecting loop;Evaporator (1)
Bottom liquid heat pump fluid import, on the inside of horizontal heat exchange tube, the outlet of top gaseous state heat pump fluid, form in the pipe of heat pump fluid
Take hot dry type evaporation circuit;The temperature-sensitive bag closed-loop control that gaseous state heat pump fluid outlet tube outer surface is set at the top of evaporator (1) is swollen
The aperture of swollen valve (4), and the outlet of expansion valve (4) connects the bottom liquid heat pump fluid import of evaporator (1), group by pipeline
Control loop is expanded into heat pump fluid;Siphon circulation rises the top gaseous state heat pump work of membrane distiller (6-2-I) shell side in head effect pipes
Outside, the bottom of matter import (6-6), the vertical heat absorption tube bundle (6-3) of middle part annulus distribution and cylindrical space siphon decline passway (6-5)
Portion liquid heat pump fluid outlet (6-7), form the reversed flow condensation heat release loop of heat pump fluid;Liquor inlet pipe (6-1) stretches into four
Imitate under the feed liquid distillation liquid level of siphon circulation liter membrane distiller (6-2-IV) in pipe, siphon circulation rises membrane distiller in quadruple effect pipe
The feed liquid down-comer (6-13) of (6-2-IV) stretches into siphon circulation liter membrane distiller (6- in triple effect pipe after flowing through magnetic valve (5-7)
Under feed liquid distillation liquid level 2-III), siphon circulation rises the feed liquid down-comer (6-13) of membrane distiller (6-2-III) in triple effect pipe
Flow through stretch into after magnetic valve (5-7) siphon circulation in two effect pipes rise under the feed liquid distillation liquid level of membrane distiller (6-2-II), two effects
The feed liquid down-comer (6-13) of siphon circulation liter membrane distiller (6-2-II) is stretched into first effect pipe after flowing through magnetic valve (5-7) in pipe
Siphon circulation is risen under the feed liquid distillation liquid level of membrane distiller (6-2-I), forms multi-effect distilling and the fluid-tight resistance vapour loop of feed liquid;Pipe
Interior siphon circulation rises the bottom branch chamber (6-4) of membrane distiller (6-2) tube side, the vertical heat absorption tube bundle (6-3) of middle part annulus distribution
Inner side, top feed liquid distillation liquid level with cylindrical space siphon decline passway (6-5), form siphon circulation in the pipe of feed liquid and rise film
Loop is distilled, the wherein vertical heat absorption tube bundle (6-3) of annulus distribution is annulus distribution, vertically disposed tube bundle, and its center sets one
Individual cylindrical space siphon decline passway (6-5), and multiple cylindrical spaces of tube bundle inwall are set to siphon rising passway, siphon declines
Passage is equal with the circulation area of siphon rising passway;The shell of multiple-effect heat pipe-type destilling tower (6) is the vertically disposed face of cylinder;
Siphon circulation rises membrane distiller (6-2-IV) tube side upper inside wall and sets liquid-level switch (3) in quadruple effect pipe, according to feed liquid liquid level letter
The aperture of number closed-loop control feed liquid flow control valve (9), and the outlet of feed liquid flow control valve (9) passes through placed in series connection row
Air valve (20), liquor inlet pipe (6-1), form exhaust and the flow control circuit of feed liquid;Siphon circulation liter in remaining each effect pipe
Membrane distiller (6-2-I, II, III) tube side upper inside wall sets liquid-level switch (3), according to after feed liquid liquid level signal closed-loop control
The aperture of magnetic valve (5-7) in feed liquid down-comer (6-13) is imitated, forms the feed liquid liquid level control loop of each effect distiller;Often effect is steamed
The upper inside wall for evaporating room sets pressure switch (12) and each one of temperature switch (13);The air inlet of vavuum pump (14) passes through parallel connection
Magnetic valve (5-7) and fixed gas outlet (6-12) at the top of each effect distillery of pipeline connection, and by every effect distillery top
The aperture for pressure switch (12) the control magnetic valve (5-7) that wall is set, the discharge of composition distillery fixed gas and pressure control loop;
The house steward in fresh water collecting loop connects fresh water (10) side of fresh water regenerator (15), fresh water pump (16), forms taking, putting for fresh water
Hot loop;Siphon circulation rises the tube side bottom connection concentration flow container (6-8) of membrane distiller (6-2-I) in head effect pipes, and its bottom is dense
Contracting liquid exports concentrate (11) side, the concentrate pump (18) that (6-9) connects concentrate regenerator (17) by pipeline, composition concentration
The discharge of liquid, heat release loop;Feed pump (19) outlet by pipeline connect diversion three-way, parallel connection fresh water regenerator (15) and
Feed liquid (8) side of concentrate regenerator (17), threeway of confluxing, feed liquid (8) side of Subcooled heat recovery device (5-3), feed liquid Flow-rate adjustment
The import of valve (9), composition feed liquid backheat loop;The inwall for concentrating flow container (6-8) sets preheater (6-10), forms concentrate
Start preheating circuit.
2. according to the condensing source heat pump driving multiple-effect heat pipe-type destilling tower described in claim 1, it is characterised in that:Concentrated solution outlet
(6-9) by pipeline connect concentrate regenerator (17) concentrate (11) side, concentrate pump (18), solid-liquid separating machine (21) and
The outlet of its crystal (22), crystal (22), composition concentrate and crystal separating circuit;And the concentration of solid-liquid separating machine (21)
Liquid (11) outlet then connects the import threeway of feed pump (19) by pipeline, forms crystallization, separation, mixing, the circulation of concentrate
Loop.
3. according to the condensing source heat pump driving multiple-effect heat pipe-type destilling tower described in claim 1, it is characterised in that:Solid-liquid separating machine
(21) it is screw settling centrifuge;Or high speed freezing centrifuge;Or disc centrifuge;Or tube centrifuge;Or
Bridge-type of inclining centrifuge;Or basket centrifuge;Or plate and frame filter;Or flat panel filter machine;Or vacuum rotating filtering
Machine.
4. according to the condensing source heat pump driving multiple-effect heat pipe-type destilling tower described in claim 1, it is characterised in that:Driving equipment
(5-1) is motor, or gas driven explosive motor, or gasoline driven explosive motor, or diesel driven internal combustion
Engine, or kerosene driving explosive motor, or Stirling external-burning engine, or gas driven gas-turbine engine,
Or coal gas driving gas-turbine engine.
5. according to the condensing source heat pump driving multiple-effect heat pipe-type destilling tower described in claim 1, it is characterised in that:Feed pump (19)
Outlet by pipeline connect diversion three-way, parallel connection fresh water regenerator (15) and concentrate regenerator (17) feed liquid (8) side,
Conflux threeway, feed liquid (8) side of cylinder sleeve regenerator (5-2) of driving equipment (5-1), oil cooler (5-8) feed liquid (8) side,
The import of feed liquid (8) side, feed liquid flow control valve (9) of Subcooled heat recovery device (5-3), composition feed liquid step backheat loop.
6. according to the condensing source heat pump driving multiple-effect heat pipe-type destilling tower described in claim 1, it is characterised in that:Feed liquid (8) is
Seawater, or municipal middle water, or municipal sewage, or salt solution, or sour water, or buck, or organic solution, or nothing
Machine solution, or industrial wastewater, or mine bitter, or one kind in oilfield sewage, or chemical engineering sewage.
7. according to the condensing source heat pump driving multiple-effect heat pipe-type destilling tower described in claim 1, it is characterised in that:Fresh water regenerator
(15) it is double pipe heat exchanger, or shell and tube exchanger, or plate type heat exchanger, or plate-fin heat exchanger, or coil pipe
Formula heat exchanger, or spiral heat exchanger, or lamella heat exchanger.
8. according to the condensing source heat pump driving multiple-effect heat pipe-type destilling tower described in claim 1, it is characterised in that:Concentrate backheat
Device (17) is double pipe heat exchanger, or shell and tube exchanger, or plate type heat exchanger, or plate-fin heat exchanger, or disk
Pipe heat exchanger, or spiral heat exchanger, or lamella heat exchanger.
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CN201720119181.9U CN207203509U (en) | 2017-02-03 | 2017-02-03 | Condensing source heat pump driving multiple-effect heat pipe-type destilling tower |
Applications Claiming Priority (1)
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CN201720119181.9U CN207203509U (en) | 2017-02-03 | 2017-02-03 | Condensing source heat pump driving multiple-effect heat pipe-type destilling tower |
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Publication Number | Publication Date |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108379865A (en) * | 2017-02-03 | 2018-08-10 | 侴雨宏 | Condensing source heat pump drives multiple-effect heat pipe-type destilling tower |
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2017
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108379865A (en) * | 2017-02-03 | 2018-08-10 | 侴雨宏 | Condensing source heat pump drives multiple-effect heat pipe-type destilling tower |
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