CN106705492A - External heating wet compression MVR (mechanical vapor recompression) system - Google Patents
External heating wet compression MVR (mechanical vapor recompression) system Download PDFInfo
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- CN106705492A CN106705492A CN201710014144.6A CN201710014144A CN106705492A CN 106705492 A CN106705492 A CN 106705492A CN 201710014144 A CN201710014144 A CN 201710014144A CN 106705492 A CN106705492 A CN 106705492A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
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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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to the technical field of waste heat recovering, in particular to an external heating wet compression MVR (mechanical vapor recompression) system. The MVR system comprises a raw material tank, an evaporator, a separator and a compressor; the evaporator comprises a first feed liquid pipe and a first pipe shell which is installed on the outer side of the first feed liquid pipe in a sleeving mode, a heat exchanging cavity is formed between the first feed liquid pipe and the first pipe shell, and a first inlet and a first outlet are formed in the first pipe shell; a feeding port, a vapor outlet and a discharging port are formed in the separator, an inlet of the first feed liquid pipe is connected with the raw material tank, and an outlet of the first feed liquid pipe is connected with the feeding port; an air inlet of the compressor is connected with the vapor outlet through a first air feeding pipe, and an air outlet of the compressor is connected with the first inlet; and a nozzle is formed in the first air feeding pipe and is connected with a pressure pump, high-temperature high-pressure mist spray is led into the first air feeding pipe by the pressure pump through the nozzle, and the grain diameter of the mist spray formed by increasing the pressure of water through the pressure pump is small, so that eliminating of the compression superheat degree is facilitated, and impellers of the compressor cannot be subjected to collision and liquid impacting.
Description
Technical field
The present invention relates to heat recovery technology field, more particularly to a kind of MVR systems of external heat Wet Compression.
Background technology
Function of mechanical steam recompression (Mechanical Vapor Recompression, MVR) heat pump techniques are based oneself upon and evaporated
The mechanism that recuperation of heat is utilized in journey, the finally discharged waste hot steam of traditional handicraft is collected again, after compression returns to it
Ability with evaporation heating.Due to fully having recycled the latent heat of indirect steam, therefore compared to traditional evaporation technique, greatly
Reduce energy consumption greatly.Meanwhile, the technology has huge environmentally friendly potentiality, and the row of pollutant can be reduced during for wastewater and waste liquid treatment
Put.System has been completely free of the dependence to steam boiler, if having electricity can just use, it is not necessary to steam, boiler, coal and cooling
Water, reduces SO2、CO2Discharge, reduce the discharge of dust and solid slag, its energy-conservation and environmental benefit are considerable.
Water vapour compressor is one of core component of MVR, and water vapour centrifugal compressor has flow big, good stability
Feature, pressure ratio is suitably applied large-scale MVR systems up to 1.7 or so.Due to the high temperature of water vapor pressure compression process, to a certain degree
On increased the wasted work of compression process, while also making its life-span be subject to certain to influence.Therefore, water vapour centrifugal compressor compression
During cooling just seem and be even more important.The danger of impeller is clashed into due to there is drop during preceding water spray, is typically adopted at present
With the mode of rear water spray, i.e., sprayed water in exhaust outlet, this mode is not obvious to the cooling effect of superheated steam, caused compression
Engine efficiency is low.
The content of the invention
(1) technical problem to be solved
The technical problem to be solved in the present invention is to solve to use when in the prior art cooling down compressor that liquid can be caused
Drop clashes into impeller failure compressor, and overheat of compressor degree eliminates inadequate, the problem for causing MVR system effectivenesies relatively low.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of MVR systems of external heat Wet Compression, including raw material
Tank, evaporator, separator and compressor, the evaporator include the first feed liquid pipe and are sheathed on the outside of the first feed liquid pipe
The first shell, heat exchanging chamber is formed between first shell and the first feed liquid pipe, and first shell is provided with
One import and first outlet, the separator are provided with charging aperture, steam (vapor) outlet and discharge gate；The import of the first feed liquid pipe with
The head tank connection, the outlet of the first feed liquid pipe is connected with the charging aperture of the separator；The air inlet of the compressor
Mouth is connected by the first air inlet pipe with the steam (vapor) outlet, and the gas outlet of the compressor passes through the second air inlet pipe and described first
Import is connected to be exchanged heat to the feed liquid being passed through in the heat exchanging chamber in steam and the first feed liquid pipe；First air inlet pipe
Inwall be provided with nozzle, the nozzle connects compression pump, and the compression pump is by nozzle to being passed through in first air inlet pipe
Temperature and pressure are all higher than the spraying of the water vapour in compressor, to reduce the compression degree of superheat in the compressor.
Wherein, preheater is provided between the import of the head tank and the first feed liquid pipe, it is right that the preheater is used for
Feed liquid is preheated.
Wherein, the preheater includes the second feed liquid pipe and the second shell being sheathed on the outside of the second feed liquid pipe, institute
The import for stating the second feed liquid pipe is connected with head tank, and the outlet of the second feed liquid pipe is connected with the import of the first feed liquid pipe；Institute
State and preheating cavity is formed between the second shell and the second feed liquid pipe, second shell is provided with the second import and second and goes out
Mouthful, second import be used for be passed through in the preheating cavity pre- thermal medium the feed liquid in the second feed liquid pipe is carried out it is pre-
Heat.
Wherein, second import is connected by the first water-supply-pipe with the first outlet, and the second outlet is by the
Two water-supply-pipes are connected with the nozzle, and the compression pump is on second water-supply-pipe, and the compression pump and the nozzle
Between the second water-supply-pipe be provided with heater.
Wherein, the quantity of the nozzle is multiple, and multiple nozzles are circumferentially uniformly located at first air inlet pipe
Inwall on, the outer wall of first air inlet pipe is provided with annular bypass channel, the annular bypass channel be connected to the nozzle and
Between second water-supply-pipe.
Wherein, the nozzle is in the tilted installation of the first air inlet pipe, and the Way out of the nozzle and described
The angle between airintake direction in one air inlet pipe is less than 90 degree, and what multiple nozzles were formed is sprayed at first air inlet pipe
Center line converge.
Wherein, first water-supply-pipe is provided with condensate water pot.
Wherein, the first feed liquid pipe is additionally provided with circulation liquor inlet, and the separator is provided with circulation material liquid outlet, institute
Circulation material liquid outlet is stated to be connected by fluid pipeline with the circulation liquor inlet, and the fluid pipeline is provided with circulating pump.
Wherein, concentration detection apparatus are provided with the separator, the concentration detection apparatus are connected with control device, described
Control device is used to control the opening and closing of the circulating pump and the opening and closing of discharge gate.
Wherein, it is provided with feed pump between the import of the head tank and the first feed liquid pipe.
(3) beneficial effect
Above-mentioned technical proposal of the invention has the following advantages that：The invention provides a kind of MVR systems of external heat Wet Compression
System, including head tank, evaporator, separator and compressor, evaporator include the first feed liquid pipe and are sheathed on the first feed liquid pipe
First shell in outside, forms heat exchanging chamber between the first shell and the first feed liquid pipe, and the first shell be provided with the first import and
First outlet, separator is provided with charging aperture, steam (vapor) outlet and discharge gate, and the import of the first feed liquid pipe is connected with head tank, and first
The outlet of feed liquid pipe is connected with the charging aperture of separator, and the air inlet of compressor is connected by the first air inlet pipe with steam (vapor) outlet,
The gas outlet of compressor is connected by the second air inlet pipe with the first import, for being passed through steam in the heat exchanging chamber with described
Feed liquid heat exchange in one feed liquid pipe.After raw material sequentially passes through evaporator and separator from head tank, the material of high concentration is isolated
Liquid and water vapour, by compressor compresses, its temperature and pressure is raised water vapour, then into the heat exchanging chamber of steamer
Wall-type heat exchange is carried out with the feed liquid in the first feed liquid pipe, and then realizes the heating to the feed liquid in the first feed liquid, the first air inlet
The inwall of pipe is provided with nozzle, nozzle connection compression pump, and compression pump is by nozzle to being passed through HTHP in the first air inlet pipe
Spraying.Water enters nozzle atomization after compression pump improves pressure, and the particle diameter of the spraying of formation is smaller, and on the one hand increase evaporation is changed
The heat exchange area of heat, is conducive to eliminating the compression degree of superheat, and on the other hand, particle diameter is smaller, evaporates faster, will not be to compressor impeller
Produce collision and liquid hammer.The temperature and pressure of spraying is higher than the water vapour in compressor, it is thus only necessary in compression process
The degree of superheat can just make it evaporate, and further avoid the hidden danger that its evaporation not exclusively threatens compressor safe operation.
Except it is described above present invention solves the technical problem that, constitute technical scheme technical characteristic and have this
Outside the advantage that the technical characteristic of a little technical schemes is brought, what other technical characteristics of the invention and these technical characteristics brought
Advantage, will further illustrate with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the structural representation of the MVR systems of external heat Wet Compression provided in an embodiment of the present invention；
Fig. 2 is the annexation figure of the water-supply-pipe of the embodiment of the present invention second and the first air inlet pipe.
In figure：1：Compressor；2：Evaporator；3：Separator；4：Condensate water pot；5：Preheater；6：Head tank；7：Circulation
Pump；8：Feed pump；9：Blow-off valve；10：Compression pump；11：Second water-supply-pipe；12：Heater；13：First air inlet pipe；14：Spray
Mouth；15：Annular bypass channel；1a：The air inlet of compressor；1b：The gas outlet of compressor；2a：The outlet of the first feed liquid pipe；2b：
First import；2c：First outlet；2d：The import of the first feed liquid pipe；2e：Circulation liquor inlet；3a：Discharge gate；3b：Charging aperture；
3c：Circulation material liquid outlet；3d：Steam (vapor) outlet；5a：The import of the second feed liquid pipe；5b：The outlet of the second feed liquid pipe；5c：Second enters
Mouthful；5d：Second outlet.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Additionally, in the description of the invention, unless otherwise indicated, " multiple ", " many ", " multigroup " be meant that two or
Two or more, " several ", " some ", " some groups " are meant that one or more.
As depicted in figs. 1 and 2, a kind of MVR systems of external heat Wet Compression provided in an embodiment of the present invention, including head tank
6th, evaporator 2, separator 3 and compressor 1, evaporator 2 include the first feed liquid pipe and be sheathed on the outside of the first feed liquid pipe first
Shell, forms heat exchanging chamber between the first shell and the first feed liquid pipe, the first shell is provided with the first import 2b and first outlet 2d,
Separator 3 is provided with charging aperture 3b, steam (vapor) outlet 3d and discharge gate 3a；The import 2d of the first feed liquid pipe is connected with head tank 6, and first
The outlet 2a of feed liquid pipe is connected with the charging aperture 3b of separator 3；In the present embodiment, compressor 1 uses centrifugal compressor, compression
The air inlet 1a of machine 1 is connected by the first air inlet pipe 13 with steam (vapor) outlet 3d, and the gas outlet 1b of compressor 1 passes through the second air inlet pipe
It is connected with the first import 2b, for carrying out partition to the feed liquid being passed through in heat exchanging chamber in the steam of HTHP and the first feed liquid pipe
Formula exchanges heat, and the steam of HTHP is changed into condensed water and is flowed out from first outlet after the completion that exchanges heat；First air inlet pipe 13 it is interior
Wall is provided with nozzle 14, the connection compression pump 10 of nozzle 14, and compression pump 10 is by nozzle 14 to being passed through temperature in the first air inlet pipe 13
And pressure is all higher than the spraying of the water vapour in compressor 1, to reduce the compression degree of superheat in compressor 1.By compression pump 10
It is atomized into nozzle 14 after improving pressure, the particle diameter of the spraying of formation is smaller, on the one hand increases the heat exchange area of evaporation and heat-exchange, is had
Beneficial to the compression degree of superheat is eliminated, on the other hand, particle diameter is smaller, evaporates faster, will not produce collision and liquid to the impeller of compressor 1
Hit.The temperature and pressure of spraying is higher than the water vapour in compressor 1, it is thus only necessary to the degree of superheat in compression process is with regard to energy
It is evaporated, further avoid the hidden danger that its evaporation not exclusively threatens the safe operation of compressor 1.
Further, preheater 5 is provided between the import of the feed liquid pipe of head tank 6 and first, preheater 5 is used to enter feed liquid
Row preheating.Specifically, preheater 5 includes the second feed liquid pipe and is sheathed on second shell in the outside of the second feed liquid pipe, second
The import 5a of feed liquid pipe is connected with head tank 6, and the outlet 5b of the second feed liquid pipe is connected with the import 2d of the first feed liquid pipe, the second pipe
Preheating cavity is formed between shell and the second feed liquid pipe, and the second shell is provided with the second import 5c and second outlet 5d, the second import
5c is used to preheat the feed liquid in the second feed liquid pipe to being passed through pre- thermal medium in preheating cavity, and the pre- thermal medium can be from the
The condensed water of one outlet 2c outflows, it would however also be possible to employ fluid of other temperature higher than feed liquid.Feed liquid in head tank 6 is entering
During to the second feed liquid pipe, exchanged heat with the pre- thermal medium in preheating cavity, improved the temperature of feed liquid.
Further, preheating cavity is connected between first outlet 2c and nozzle 14, and the second import 5c passes through the first water delivery
Pipe is connected with first outlet 2c, and second outlet 5d is connected by the second water-supply-pipe 11 with nozzle 14, and compression pump 10 is defeated located at second
On water pipe 11, and the second water-supply-pipe between compression pump 10 and nozzle 14 is provided with heater 12.Complete to change in heat exchanging chamber
Be changed into condensed water and flowed into preheating cavity from first outlet after the water vapour release heat of the HTHP of heat, but condensed water temperature
Still higher than the temperature of the feed liquid in head tank 6, feed liquid is preheated using the condensed water, not only increase the temperature of feed liquid
Degree, and the temperature of condensed water is reduce further, condensate temperature is higher, and the requirement of the internal components of compression pump 10 is higher, especially
It is that the requirement sealed to it is improved, and so as to substantially increase its cost, and avoids compression pump after condensed water heat exchange cooling
10 elevated-temperature seal problem, takes full advantage of condensation water residual heat again.Set on the second water-supply-pipe between compression pump 10 and nozzle 14
There is heater, in turn ensure that the temperature of the temperature higher than the water vapour in compressor 1 of spraying, it is thus only necessary in compression process
The degree of superheat can just make it evaporate, and further avoid the hidden danger that its evaporation not exclusively threatens compressor safe operation.At this
In embodiment, heater 12 is the heating tape being arranged on the outer wall of the second water-supply-pipe 11, and heater can also be added in addition
Heated filament, or directly using heating tube with heating function etc., other can play the device of phase same-action.
Further, nozzle 14 is set near the air inlet 1a of compressor 1, and the quantity of nozzle 14 is multiple, multiple nozzles
14 are circumferentially uniformly located on the inwall of the first air inlet pipe 13, and the outer wall of the first air inlet pipe 13 is provided with annular bypass channel 15,
Annular bypass channel 15 is connected between the water-supply-pipe 13 of nozzle 14 and second.The condensed water of HTHP is driven into ring through compression pump 10
In shape bypass channel 15, then evenly into each nozzle 14 in, after nozzle atomization with the first air inlet pipe 13 in air inlet
It is mixed into compressor 1.
Further, nozzle 14 is in the tilted installation of the first air inlet pipe 13, and the Way out of nozzle 14 and the first air inlet
The angle between airintake direction in pipe 13 is less than 90 degree, the center line for being sprayed at the first air inlet pipe 13 that multiple nozzles 14 are formed
Converge, as air inlet flowing enters into the flow field of compressor 1, and excessive heat is compressed by spray evaporation reduction water vapour.
Further, the first water-supply-pipe is provided with condensate water pot 4, and condensate water pot 4 is used to collect and store from evaporator 3
The condensed water of heat exchange is completed, and supplies preheater 5 to use.
Further, the first feed liquid pipe is additionally provided with circulation liquor inlet 2e, and separator 3 is provided with circulation material liquid outlet 3c,
Circulation material liquid outlet 3c is connected with circulation liquor inlet 2e by fluid pipeline, and fluid pipeline is provided with circulating pump 7.Separator
Concentration detection apparatus are provided with 3, concentration detection apparatus are connected with control device, opening and closing and discharge gate for controlling circulating pump
Opening and closing.Discharge gate sets blow-off valve 9, and when the concentration for detecting feed liquid meets to be required, control device control blow-off valve 9 is opened,
Circulating pump 7 is closed, and feed liquid is discharged from discharge gate, when the concentration of the feed liquid of detection is unsatisfactory for requiring, control device control circulation
Pump 7 is opened, and blow-off valve 9 is closed, and feed liquid again returns to carry out heating in evaporator 2 to be then return to separator 3 to be separated, directly
Meet to concentration and require.
When using, feed pump 8 is set between head tank 6 and preheater 5, for the feed liquid in head tank 6 to be extracted out.
In sum, the invention provides a kind of MVR systems of external heat Wet Compression, including head tank, evaporator, separation
Device and compressor, evaporator includes the first feed liquid pipe and is sheathed on first shell in the outside of the first feed liquid pipe, described the
Heat exchanging chamber is formed between one shell and the first feed liquid pipe, and first shell is provided with the first import and first outlet,
Separator is provided with charging aperture, steam (vapor) outlet and discharge gate, the import of the first feed liquid pipe is connected with head tank, and the first feed liquid pipe goes out
Mouthful it is connected with the charging aperture of separator, the air inlet of compressor is connected by the first air inlet pipe with steam (vapor) outlet, compressor goes out
Gas port is connected by the second air inlet pipe with the first import, for being passed through in the heat exchanging chamber in steam and the first feed liquid pipe
Feed liquid heat exchange.After raw material sequentially passes through evaporator and separator from head tank, the feed liquid and water vapour of high concentration are isolated,
By compressor compresses, its temperature and pressure is raised water vapour, then into the heat exchanging chamber of evaporator to the first feed liquid pipe
Interior feed liquid is heated, and the inwall of the first air inlet pipe is provided with nozzle, nozzle connection compression pump, and compression pump is by nozzle to the
The spraying of HTHP is passed through in one air inlet pipe.Water enters nozzle atomization after compression pump improves pressure, the spraying of formation
Particle diameter is smaller, on the one hand increases the heat exchange area of evaporation and heat-exchange, is conducive to eliminating the compression degree of superheat, and on the other hand, particle diameter is smaller,
Evaporation is faster, will not produce collision and liquid hammer to compressor impeller.The temperature and pressure of spraying is higher than the water vapour in compressor,
It is thus only necessary to the degree of superheat in compression process can just make it evaporate, further avoid its evaporation and not exclusively threaten
The hidden danger of compressor safe operation.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of MVR systems of external heat Wet Compression, it is characterised in that：Including head tank, evaporator, separator and compressor,
The evaporator include the first feed liquid pipe and be sheathed on the first feed liquid pipe outside the first shell, first shell with
Heat exchanging chamber is formed between the first feed liquid pipe, and first shell is provided with the first import and first outlet, the separation
Device is provided with charging aperture, steam (vapor) outlet and discharge gate；The import of the first feed liquid pipe is connected with the head tank, first material
The outlet of liquid pipe is connected with the charging aperture of the separator；The air inlet of the compressor passes through the first air inlet pipe and the steam
Outlet connection, the gas outlet of the compressor is connected by the second air inlet pipe with first import, for the heat exchanging chamber
Steam is inside passed through to be exchanged heat with the feed liquid in the first feed liquid pipe；The inwall of first air inlet pipe is provided with nozzle, the spray
Mouth connects compression pump, and the compression pump is by nozzle to being passed through temperature in first air inlet pipe and pressure is all higher than in compressor
Water vapour spraying, to reduce the compression degree of superheat in the compressor.
2. MVR systems of external heat Wet Compression according to claim 1, it is characterised in that：The head tank and described
Preheater is provided between the import of one feed liquid pipe, the preheater is used to preheat feed liquid.
3. MVR systems of external heat Wet Compression according to claim 2, it is characterised in that：The preheater includes second
Feed liquid pipe and the second shell being sheathed on the outside of the second feed liquid pipe, the import of the second feed liquid pipe are connected with head tank,
The outlet of the second feed liquid pipe is connected with the import of the first feed liquid pipe；Shape between second shell and the second feed liquid pipe
Into preheating cavity, second shell is provided with the second import and second outlet, and second import is used in the preheating cavity
Pre- thermal medium is passed through to preheat the feed liquid in the second feed liquid pipe.
4. MVR systems of external heat Wet Compression according to claim 3, it is characterised in that：Second import is by the
One water-supply-pipe is connected with the first outlet, and the second outlet is connected by the second water-supply-pipe with the nozzle, the pressure
Pump is on second water-supply-pipe, and the second water-supply-pipe between the compression pump and the nozzle is provided with heater.
5. MVR systems of external heat Wet Compression according to claim 4, it is characterised in that：The quantity of the nozzle is many
Individual, multiple nozzles are circumferentially uniformly located on the inwall of first air inlet pipe, on the outer wall of first air inlet pipe
Annular bypass channel is provided with, the annular bypass channel is connected between the nozzle and second water-supply-pipe.
6. MVR systems of external heat Wet Compression according to claim 5, it is characterised in that：The nozzle is described first
The angle between airintake direction in the tilted installation of air inlet pipe, and the Way out of the nozzle and first air inlet pipe is small
In 90 degree, the center line for being sprayed at first air inlet pipe that multiple nozzles are formed converges.
7. MVR systems of external heat Wet Compression according to claim 4, it is characterised in that：Set on first water-supply-pipe
There is condensate water pot.
8. MVR systems of the external heat Wet Compression according to claim any one of 1-7, it is characterised in that：First material
Liquid pipe is additionally provided with circulation liquor inlet, and the separator is provided with circulation material liquid outlet, and the circulation material liquid outlet is followed with described
Ring liquor inlet is connected by fluid pipeline, and the fluid pipeline is provided with circulating pump.
9. MVR systems of external heat Wet Compression according to claim 8, it is characterised in that：It is provided with dense in the separator
Degree detection means, the concentration detection apparatus are connected with control device, and the control device is used to control opening for the circulating pump
Close the opening and closing with discharge gate.
10. MVR systems of the external heat Wet Compression according to claim any one of 1-7, it is characterised in that：The head tank
Feed pump is provided between import with the first feed liquid pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014144.6A CN106705492A (en) | 2017-01-09 | 2017-01-09 | External heating wet compression MVR (mechanical vapor recompression) system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014144.6A CN106705492A (en) | 2017-01-09 | 2017-01-09 | External heating wet compression MVR (mechanical vapor recompression) system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107365021A (en) * | 2017-08-02 | 2017-11-21 | 上海未来企业股份有限公司 | A kind of alum titanium waste water ammonium recovery and zero-discharge technology and system |
| CN107514627A (en) * | 2017-09-22 | 2017-12-26 | 天津科技大学 | The superheater of mechanical compression type compressor inlet steam |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102627299A (en) * | 2011-10-26 | 2012-08-08 | 王石柱 | Low-temperature heatless vacuum salt making device |
| CN203208699U (en) * | 2013-04-24 | 2013-09-25 | 江苏科化节能环保设备有限公司 | MVR (mechanical vapor recompression) heat pump evaporation system of positive-displacement compressor |
| CN103708697A (en) * | 2012-09-28 | 2014-04-09 | 中国科学院理化技术研究所 | Mechanical vapor recompression (MVR) heat pump sludge drying system |
| CN103908788A (en) * | 2012-12-31 | 2014-07-09 | 中国科学院理化技术研究所 | MVR heat pump evaporation system |
| CN204880859U (en) * | 2015-06-17 | 2015-12-16 | 中国科学院理化技术研究所 | Machinery vapor recompression heat pump |
-
2017
- 2017-01-09 CN CN201710014144.6A patent/CN106705492A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102627299A (en) * | 2011-10-26 | 2012-08-08 | 王石柱 | Low-temperature heatless vacuum salt making device |
| CN103708697A (en) * | 2012-09-28 | 2014-04-09 | 中国科学院理化技术研究所 | Mechanical vapor recompression (MVR) heat pump sludge drying system |
| CN103908788A (en) * | 2012-12-31 | 2014-07-09 | 中国科学院理化技术研究所 | MVR heat pump evaporation system |
| CN203208699U (en) * | 2013-04-24 | 2013-09-25 | 江苏科化节能环保设备有限公司 | MVR (mechanical vapor recompression) heat pump evaporation system of positive-displacement compressor |
| CN204880859U (en) * | 2015-06-17 | 2015-12-16 | 中国科学院理化技术研究所 | Machinery vapor recompression heat pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107365021A (en) * | 2017-08-02 | 2017-11-21 | 上海未来企业股份有限公司 | A kind of alum titanium waste water ammonium recovery and zero-discharge technology and system |
| CN107514627A (en) * | 2017-09-22 | 2017-12-26 | 天津科技大学 | The superheater of mechanical compression type compressor inlet steam |
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Application publication date: 20170524 |