CN108261790B - A kind of function of mechanical steam recompression system - Google Patents
A kind of function of mechanical steam recompression system Download PDFInfo
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- CN108261790B CN108261790B CN201711460147.9A CN201711460147A CN108261790B CN 108261790 B CN108261790 B CN 108261790B CN 201711460147 A CN201711460147 A CN 201711460147A CN 108261790 B CN108261790 B CN 108261790B
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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)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Engine Equipment That Uses Special Cycles (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 being connected to respectively with the water vapour compressor, the preheater.A kind of function of mechanical steam recompression system provided by the invention, multiple section areas being connected to respectively with water vapour compressor, preheater are internally provided in evaporative condenser, enter the steam rates in each section of 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 utilizes water vapour heat, greatly improves the effective rate of utilization of energy by way of the solution segmentally heating 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 technique
Currently, evaporation technology is one of indispensable important procedure in many industries, it is related to entire production process
Quality and efficiency;But currently used way generally has quantity of steam consumption big, the low disadvantage of energy utilization rate.
Function of mechanical steam recompression (English name: Mechanical Vapor Recompression, English in the prior art
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, so that it is restored to the ability with evaporation heating after compression, due to sufficiently having recycled secondary steam
Latent heat, therefore compare 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 conservation and environmental benefit are considerable, at present
Common evaporative condenser mode is that solution to be processed is steamed by the pipe side of evaporator or shell-side evaporation, high temperature and pressure in MVR system
Vapour provides heat in the other side for solution, itself release latent heat becomes condensed water.But this method does not account for solution concentration
In the process as moisture evaporates, the fewer and fewer feature of heat demand, thus there is quantity of steam consumption greatly in the above method, energy always
The low problem of source utilization rate.
Summary of the invention
(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 mechanical steaming in the prior art
Vapour recompresses the consumption of System steam amount greatly, the low problem of energy utilization rate.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides a kind of function of mechanical steam recompression systems, including are 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 being connected to respectively with the water vapour compressor, the preheater.
Wherein, described section of area is split to form by being horizontally placed on the multiple partitions 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 arranged in the condensation-water drain.
Wherein, the angular range between the line and the partition between the water vapour import and the condensation-water drain
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 includes 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 provided on pipeline between contracting machine.
It wherein, further include concentration flow container, the concentration flow container is connected to the separator, to 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.
It wherein, further include raw material flow container, the inlet of the preheater is arranged in the raw material flow container connection.
(3) beneficial 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 being connected to respectively with preheater, separator in evaporative condenser
Area, by the change of adjusting motor-driven valve into the steam rates in each section of area, water vapour and after the heat exchange of the solution in this section of area,
It is discharged as condensed water, which rationally utilizes water vapour heat, pole by way of the solution segmentally heating to various concentration
The earth improves the effective rate of utilization of energy.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of function of mechanical steam recompression system of the embodiment of the present invention;
Fig. 2 is the structural schematic diagram of evaporative condenser shown in Fig. 1;
Wherein, 1- raw material flow container;2- preheater;3- evaporative condenser;4- separator;5- water vapour compressor;6- concentration
Flow container;7- condensate water pot;8- electric control valve;
31- partition;32- first segment area;33- second segment area;34- third section area;The 4th section of area 35-;The 5th section of area 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 to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more;Unless otherwise saying
Bright, the meaning of " nick shaped " is the shape in addition to section is concordant.It is term " on ", "lower", "left", "right", "inner", "outside", " preceding
The orientation or positional relationship of the instructions such as end ", " rear end ", " head ", " tail portion " is to be based on the orientation or positional relationship shown in the drawings,
Be merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition, term " first ",
" second ", " third " etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting 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 " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, it can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood depending on concrete condition.
Ginseng as shown in FIGS. 1 and 2, the present invention provides a kind of function of mechanical steam recompression systems, including are sequentially communicated forming circuit
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 are connected to.
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 being connected to respectively with preheater, water vapour compressor, is changed by adjusting motor-driven valve into each section
The steam rates in area, water vapour become condensed water discharge with after the heat exchange of the solution in this section of area, which passes through to difference
The mode of the solution segmentally heating of concentration rationally utilizes 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 multiple partitions 31 inside evaporative condenser 3.It needs to illustrate
, independent, sealed set, is independent of each other between adjacent section area.
Further, each section of area has been independently arranged water vapour import and condensation-water drain, and water vapour import is higher than cold
Condensate outlet setting.
Specifically, the angle C range between the line between water vapour import and condensation-water drain and partition 31 is 15 degree
To 30 degree.
Further, electric adjustable is provided on the pipeline between the section area inside water vapour compressor 5 and evaporative condenser 3
Save valve 8.By the way that electric control valve 8 is arranged, so that it may be adjusted in real time according to the concentration and required heat that enter this section of area's solution
The aperture of electrically operated valve 8, 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,
Four sections of areas 35 and the 5th section of area 36, first segment area 32, second segment area 33, area 35,34, the 4th sections of third section area and the 5th section of area 36
Electric control valve 8 is 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 and required heat that enter this section of area's solution, 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, the treating material in 3 inside heating tube side of evaporative condenser, is divided inside evaporative condenser 3 with partition 31 for 5 sections
Area, steam respectively enter the different section areas of evaporative condenser 3 after being divided into 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.
It further, further include concentration flow container 6, concentration flow container 6 is connected to separator 4, to 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.
It further, further include raw material flow container 1, raw material flow container 1 is connected to the inlet that preheater 2 is arranged in.
A kind of function of mechanical steam recompression system provided by the invention, when work: the 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 outflow of condenser 3 enters separator 4;The steam that evaporation generates enters after separator 4 separates water droplet and impurity therein
Water vapour compressor 5, in the water vapour for wherein becoming 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 of evaporative condenser 3 is divided into 5 areas Ge Duan 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 releases latent heat as cold with after the solution heat exchange in the pipe side in this section of area
Condensate is flowed out from the other side in section area;The section divided according to the flow of solution, property, evaporation capacity and evaporation mode etc., shell-side
Area's number may be different, and general trend is that stroke segment identifier number is more, and capacity usage ratio is higher, but manufacturing cost is also higher simultaneously, because
This, for each real system, there are the optimal values of the area a Ge Duan number and manufacturing cost;5 outlet vapor of water vapour compressor point
The quantity of stream is equal with the section area number of evaporative condenser 3;After the condensed water flowed out from different sections of areas is brought together, into condensation
Water pot 7 enters preheater 2 later and preheats the new solution for entering system;The concentrate flowed out from separator 4 enters concentration flow container 6,
To realize 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 is an angle C between water vapour import and the line and partition 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 the area Ge Duan solution and required heat adjust the aperture of electrically operated valve 8 in real time to realize the steaming into each section of area
Steam flow amount is precisely controlled;By the way that evaporative condenser shell-side is divided into multiple sections of areas along axial direction in the system, according to solution
Concentration and different energy requirements adjust the flow of water vapour, to realize the efficient utilization of energy.
The embodiment of the present invention is given for the purpose of illustration 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
Selecting and describe embodiment is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application
It will be appreciated that the present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (5)
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
The section area that vapour compression machine (5), the preheater (2) are connected to;
Described section of area is split to form by being horizontally placed on the internal multiple partitions (31) of the evaporative condenser (3);
Each described section of area has been independently arranged water vapour import and condensation-water drain, and the water vapour import is higher than the condensation
Water out setting;
Electric adjustable is provided on pipeline between the water vapour compressor (5) and the section area of the evaporative condenser (3) inside
It saves valve (8);
It further include concentration flow container (6), the concentration flow container (6) is connected to the separator (4), to after collecting concentration
Solution.
2. function of mechanical steam recompression system according to claim 1, which is characterized in that the water vapour import with it is described cold
Angle (C) range between line and the partition (31) between condensate outlet is 15 degree to 30 degree.
3. function of mechanical steam recompression system according to claim 1, 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) and the water is stated to steam
Electric control valve (8) are provided on pipeline between vapour compressor (5).
4. function of mechanical steam recompression system according to claim 1, 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 located at the condensation of the evaporative condenser (3)
Water out one end.
5. function of mechanical steam recompression system according to claim 1, which is characterized in that it further include raw material flow container (1), it is described
Inlet of raw material flow container (1) the connection setting in the preheater (2).
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CN201711460147.9A CN108261790B (en) | 2017-12-28 | 2017-12-28 | A kind of function of mechanical steam recompression system |
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CN108261790B true CN108261790B (en) | 2019-11-12 |
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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 |
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 |
-
2017
- 2017-12-28 CN CN201711460147.9A patent/CN108261790B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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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