CN108261790A - A kind of function of mechanical steam recompression system - Google Patents
A kind of function of mechanical steam recompression system Download PDFInfo
- Publication number
- CN108261790A CN108261790A CN201711460147.9A CN201711460147A CN108261790A CN 108261790 A CN108261790 A CN 108261790A CN 201711460147 A CN201711460147 A CN 201711460147A CN 108261790 A CN108261790 A CN 108261790A
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- water vapour
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/28—Evaporating with vapour compression
- B01D1/2803—Special features relating to the vapour to be compressed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/28—Evaporating with vapour compression
- B01D1/289—Compressor features (e.g. constructions, details, cooling, lubrication, driving systems)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The present invention relates to solution concentration technical fields, relate to a kind of function of mechanical steam recompression system, including preheater, evaporative condenser, separator and the water vapour compressor being sequentially communicated, the evaporative condenser is internally provided with multiple section areas connected respectively with the water vapour compressor, the preheater.A kind of function of mechanical steam recompression system provided by the invention, multiple section areas connected respectively with water vapour compressor, preheater are internally provided in evaporative condenser, enter the steam rates in each section area by adjusting motor-driven valve change, water vapour with after the heat exchange of the solution in this section of area, it is discharged as condensed water, the system, rationally using water vapour heat, greatly improves the effective rate of utilization of energy by way of the solution heat stepwise to various concentration.
Description
Technical field
The present invention relates to solution concentration technical field more particularly to a kind of function of mechanical steam recompression systems.
Background technology
At present, in many industries, evaporation technology is one of indispensable important procedure, is related to entire production process
Quality and efficiency;But the way used at present generally has the shortcomings that quantity of steam consumption is big, and energy utilization rate is low.
Function of mechanical steam recompression (English name of the prior art:Mechanical Vapor Recompression, English
Text abbreviation:MVR), heat pump techniques base oneself upon the mechanism that recuperation of heat in evaporation process utilizes, by the finally discharged waste heat of traditional handicraft
Steam is collected again, it is made to be restored to the ability with evaporation heating after compression, due to fully having recycled indirect steam
Latent heat, therefore compared to traditional evaporation technique, greatly reduce energy consumption;Meanwhile the technology has huge environmentally friendly potentiality, uses
The discharge of pollutant can be reduced when wastewater and waste liquid treatment.For to sum up, energy saving and environmental benefit is considerable, at present
Common evaporative condenser mode is that pending solution is steamed by the pipe side of evaporator or shell-side evaporation, high temperature and pressure in MVR systems
Vapour provides heat in opposite side for solution, itself release latent heat becomes condensed water.But this method does not account for solution concentration
In the process with moisture evaporation, the characteristics of heat demand is fewer and fewer, thus the above method is always there are quantity of steam consumption is big, energy
The problem of source utilization rate is low.
Invention content
(1) technical problems to be solved
The purpose of the present invention is to provide a kind of function of mechanical steam recompression systems, it is intended to solve machinery of the prior art and steam
The problem of vapour recompression System steam amount consumption is big, and energy utilization rate is low.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of function of mechanical steam recompression system, including being sequentially communicated
Preheater, evaporative condenser, separator and the water vapour compressor of forming circuit, the evaporative condenser is internally provided with multiple
The section area connected respectively with the water vapour compressor, the preheater.
Wherein, described section of area is split to form by being horizontally placed on the polylith partition board inside the evaporative condenser.
Wherein, each described section of area has been independently arranged water vapour import and condensation-water drain, and the water vapour import is high
It is set in the condensation-water drain.
Wherein, the angular range between the line between the water vapour import and the condensation-water drain and the partition board
It is 15 degree to 30 degree.
Wherein, it is provided on the pipeline between the section area inside the water vapour compressor and the evaporative condenser electronic
Regulating valve.
Wherein, described section of area include the first segment area from top to bottom set gradually, second segment area, third section area, the 4th section
Area and the 5th section of area, the first segment area, second segment area, third section area, the 4th section of area and the 5th section of area and the water vapor pressure
Electric control valve is both provided on pipeline between contracting machine.
Wherein, concentration flow container is further included, the concentration flow container is connected with the separator, after collecting concentration
Solution.
Wherein, condensate water pot is additionally provided between the preheater and the evaporative condenser, the condensate water pot is located at
Condensation-water drain one end of the evaporative condenser.
Wherein, raw material flow container is further included, the raw material flow container connection is arranged on the inlet of the preheater.
(3) advantageous effect
Compared with prior art, above-mentioned technical proposal of the invention has the advantages that:One kind provided by the invention
Function of mechanical steam recompression system, by being internally provided with multiple sections connected respectively with preheater, separator in evaporative condenser
Area enters the steam rates in each section area by adjusting motor-driven valve change, after water vapour and the solution by this section of area exchange heat,
It is discharged as condensed water, which rationally utilizes water vapour heat, pole by way of the solution heat stepwise to various concentration
The earth improves the effective rate of utilization of energy.
Description of the drawings
Fig. 1 is a kind of structure diagram of function of mechanical steam recompression system of the embodiment of the present invention;
Fig. 2 is the structure diagram of evaporative condenser shown in Fig. 1;
Wherein, 1- raw materials flow container;2- preheaters;3- evaporative condensers;4- separators;5- water vapour compressors;6- is concentrated
Flow container;7- condensate water pots;8- electric control valves;
31- partition boards;32- first segments area;33- second segments area;34- third sections area;The 4th section of area of 35-;The 5th section of area of 36-.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used for limiting the scope of the invention.
In the description of the present invention, unless otherwise indicated, " multiple " are meant that two or more;Unless otherwise saying
Bright, the meaning of " nick shaped " is the shape in addition to section is concordant.Term " on ", " under ", "left", "right", " interior ", " outer ", " preceding
End ", " rear end ", " head ", the orientation of the instructions such as " tail portion " or position relationship be based on orientation shown in the drawings or position relationship,
Be for only for ease of the description present invention and simplify description rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ",
" second ", " third " etc. are only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected;It can
To be mechanical connection or be electrically connected;It can be directly connected, can also be indirectly connected by intermediary.For this
For the those of ordinary skill in field, concrete condition can be regarded and understand the concrete meaning of above-mentioned term in the present invention.
Referring to shown in Fig. 1,2, the present invention provides a kind of function of mechanical steam recompression systems, are formed into a loop including being sequentially communicated
Preheater 2, evaporative condenser 3, separator 4 and water vapour compressor 5, evaporative condenser 3 be internally provided with it is multiple respectively with
The section area that preheater water vapour compressor 5, preheater 2 connect.
A kind of function of mechanical steam recompression system provided by the invention, compared with prior art, by evaporative condenser
Portion is provided with multiple section areas connected respectively with preheater, water vapour compressor, is changed by adjusting motor-driven valve into each section
The steam rates in area, with after the solution heat exchange in this section of area, becoming condensed water discharge, which passes through to difference water vapour
The mode of the solution heat stepwise of concentration rationally using water vapour heat, greatly improves the effective rate of utilization of energy.
Shown in Figure 2 in the present embodiment, evaporative condenser 3 is shell-tube type structure, and solution to be evaporated is from pipe side under
It is flowed through on and, the steam generated after in-tube evaporation and the remaining solution of evaporation are flowed out from top.
Further, section area is split to form by being horizontally placed on the polylith partition board 31 inside evaporative condenser 3.It needs to illustrate
, independent, sealed set, is independent of each other between adjacent section area.
Further, each section area has been independently arranged water vapour import and condensation-water drain, and water vapour import is higher than cold
Condensate outlet setting.
Specifically, ranging from 15 degree of angle C between line and partition board 31 between water vapour import and condensation-water drain
To 30 degree.
Further, it is provided with electric adjustable on the pipeline between the section area inside water vapour compressor 5 and evaporative condenser 3
Save valve 8.By setting electric control valve 8, it is possible to be adjusted in real time according to the concentration of this section of area's solution of entrance and required heat
The aperture of electrically operated valve 8, so as to adjust the steam flow into this section of area.
Specifically, section area includes the first segment area 32 from top to bottom set gradually, second segment area 33, third section area 34, the
Four sections of areas 35 and the 5th section of area 36, first segment area 32, second segment area 33, area 35 of 34, the 4th sections of third section area and the 5th section of area 36
Electric control valve 8 is both provided on pipeline between water vapour compressor 5.Steam into each section of area is electronic by one
Valve 8 controls, and the aperture of electrically operated valve 8 is adjusted in real time according to the concentration of this section of area's solution of entrance and required heat, so as to adjust
Section enters the steam flow in this section of area.
Further, water vapour compressor 5, water vapour compressor 5 are additionally provided between evaporative condenser 3 and separator 4
Positioned at gas vent one end of separator 4.The water vapour of high temperature and pressure from water vapour compressor 5 is in evaporative condenser 3
Portion is flowed, and the treating material in 3 inside heating tube side of evaporative condenser, 3 inside partition board 31 of evaporative condenser divides for 5 sections
Area, steam are divided into the different section areas that evaporative condenser 3 is respectively enterd after 5 strands;According to the flow of institute's concentrate solution and evaporate cold
The volume of condenser can be divided into more or less sections of areas, and stroke segment identifier is more, and capacity usage ratio is higher, but can improve system
Cause this.
Further, concentration flow container 6 is further included, concentration flow container 6 is connected with separator 4, after collecting concentration
Solution.
Further, condensate water pot 7 is additionally provided between preheater 2 and evaporative condenser 3, condensate water pot 7 is located at evaporation
Condensation-water drain one end of condenser 3.The condensed water flowed out from 3 shell-side difference section area of evaporative condenser enters condensed water after collecting
Tank 7.
Further, raw material flow container 1 is further included, raw material flow container 1 connects the inlet for being arranged on preheater 2.
A kind of function of mechanical steam recompression system provided by the invention, during work:Condensed water preheating in the preheated device 2 of solution
Afterwards, into evaporative condenser 3, evaporative condenser 3 is tube shell type structure, using climbing-film evaporation mode, solution pipe side from lower and
Upper flowing, ie in solution enter from the bottom of evaporative condenser 3, and steam and the remaining concentrate of evaporation for evaporating generation are cold from evaporating
The top of condenser 3 exits into separator 4;The steam that evaporation generates enters after separator 4 detaches water droplet and impurity therein
Water vapour compressor 5, wherein as the water vapour of high temperature and pressure, the shell-side for entering back into evaporative condenser 3 is heated as heat source
The solution of pipe side;The shell-side partition board of evaporative condenser 3 is divided into 5 Ge Duan areas from bottom to top, the water flowed out from water vapour compressor 5
Steam is divided into 5 bursts of approach section areas, and water vapour becomes cold with after the solution heat exchange in the pipe side in this section of area, releasing latent heat
Condensate is flowed out from the opposite side in section area;The section divided according to the flow of solution, property, evaporation capacity and evaporation mode etc., shell-side
Area number may be different, and general trend is to draw that segment identifier number is more, and capacity usage ratio is higher, but it is also higher to manufacture cost simultaneously, because
This, for each real system, there are a Ge Duan areas numbers and the optimal value of manufacture cost;Water vapour compressor 5 outlet vapor point
The quantity of stream is equal with the section area number of evaporative condenser 3;After the condensed water of different sections of area's outflows is brought together, into condensation
Water pot 7 preheats the new solution for entering system into preheater 2 later;The concentrate flowed out from separator 4 enters concentration flow container 6,
So as to fulfill the separation of solution and moisture, that is, achieve the effect that evaporation and concentration;Water vapour approaching side is flowed out compared with condensed water in section area
Side is high, there are one angle C between water vapour import and the line and partition board of condensation-water drain, the angle 15 degree to 30 degree it
Between;The steam that water vapour compressor 5 exports is divided into 5 strands, and per share jet chimney all installs electric control valve 8, according to by every
The concentration of Ge Duan areas solution and required heat adjust the aperture of electrically operated valve 8 so as to fulfill the steaming in each section area is entered in real time
Steam flow amount is precisely controlled;By the way that evaporative condenser shell-side is divided into multiple sections of areas in an axial direction in the system, according to solution
Concentration and different energy requirements adjust the flow of water vapour, so as to fulfill the efficient utilization of energy.
The embodiment of the present invention provides for the sake of example and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
It is to more preferably illustrate the principle of the present invention and practical application to select and describe embodiment, and makes those of ordinary skill in the art
It will be appreciated that the present invention is so as to design the various embodiments with various modifications suitable for special-purpose.
Claims (9)
1. a kind of function of mechanical steam recompression system, which is characterized in that preheater (2), evaporative condenser including being sequentially communicated setting
Device (3), separator (4) and water vapour compressor (5), the evaporative condenser (3) be internally provided with it is multiple respectively with the water
Vapour compression machine (5), the section area of the preheater (2) connection.
2. function of mechanical steam recompression system according to claim 1, which is characterized in that described section of area is by being horizontally placed on
The internal polylith partition board (31) of evaporative condenser (3) is stated to be split to form.
3. function of mechanical steam recompression system according to claim 2, which is characterized in that each described section of area is independently arranged
There are water vapour import and condensation-water drain, the water vapour import is set higher than the condensation-water drain.
4. function of mechanical steam recompression system according to claim 3, which is characterized in that the water vapour import with it is described cold
Ranging from 15 degree to 30 degree of angle (C) between line and the partition board (31) between condensate outlet.
5. the function of mechanical steam recompression system according to any one of claim 1-4, which is characterized in that the water vapor pressure
Electric control valve (8) is provided on pipeline between the section area of contracting machine (5) and the evaporative condenser (3) inside.
6. function of mechanical steam recompression system according to claim 5, which is characterized in that described section of area include from top to bottom according to
The first segment area (32) of secondary setting, second segment area (33), third section area (34), the 4th section of area (35) and the 5th section of area (36), institute
First segment area (32), second segment area (33), third section area (34), the 4th section of area (35) and the 5th section of area (36) is stated to steam with the water
Electric control valve (8) is both provided on pipeline between vapour compressor (5).
7. function of mechanical steam recompression system according to claim 1, which is characterized in that concentration flow container (6) is further included, it is described
Concentration flow container (6) is connected with the separator (4), to collect the solution after concentration.
8. function of mechanical steam recompression system according to claim 3, which is characterized in that the preheater (2) and the steaming
It feels cold and is additionally provided with condensate water pot (7) between condenser (3), the condensate water pot (7) is positioned at the condensation of the evaporative condenser (3)
Water out one end.
9. function of mechanical steam recompression system according to claim 1, which is characterized in that raw material flow container (1) is further included, it is described
Raw material flow container (1) connects the inlet for being arranged on the preheater (2).
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109107204A (en) * | 2018-10-16 | 2019-01-01 | 中国民用航空总局第二研究所 | A kind of system and method that function of mechanical steam recompression system concentrating degree can be improved |
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CN201030243Y (en) * | 2007-05-22 | 2008-03-05 | 张小江 | Vapor-recompression energy-conservation evaporator |
CN201058243Y (en) * | 2007-07-12 | 2008-05-14 | 张小江 | Glacon vapor recompression energy-saving evaporator |
CN103547346A (en) * | 2011-05-13 | 2014-01-29 | 菲仕兰产品有限公司 | Evaporator system |
EP2969089B1 (en) * | 2013-03-15 | 2017-08-16 | Caloris Acquisition LLC | Mobile mechanical vapor recompression evaporator |
CN107213659A (en) * | 2016-09-08 | 2017-09-29 | 江苏科技大学 | A kind of function of mechanical steam recompression system and control method |
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2017
- 2017-12-28 CN CN201711460147.9A patent/CN108261790B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201030243Y (en) * | 2007-05-22 | 2008-03-05 | 张小江 | Vapor-recompression energy-conservation evaporator |
CN201058243Y (en) * | 2007-07-12 | 2008-05-14 | 张小江 | Glacon vapor recompression energy-saving evaporator |
CN103547346A (en) * | 2011-05-13 | 2014-01-29 | 菲仕兰产品有限公司 | Evaporator system |
EP2969089B1 (en) * | 2013-03-15 | 2017-08-16 | Caloris Acquisition LLC | Mobile mechanical vapor recompression evaporator |
CN107213659A (en) * | 2016-09-08 | 2017-09-29 | 江苏科技大学 | A kind of function of mechanical steam recompression system and control method |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109107204A (en) * | 2018-10-16 | 2019-01-01 | 中国民用航空总局第二研究所 | A kind of system and method that function of mechanical steam recompression system concentrating degree can be improved |
CN109107204B (en) * | 2018-10-16 | 2021-06-22 | 中国民用航空总局第二研究所 | System and method capable of improving concentration degree of mechanical vapor recompression system |
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