CN106178567A - An a kind of effect disome MVR forced-circulation evaporation system - Google Patents
An a kind of effect disome MVR forced-circulation evaporation system Download PDFInfo
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- CN106178567A CN106178567A CN201610851568.3A CN201610851568A CN106178567A CN 106178567 A CN106178567 A CN 106178567A CN 201610851568 A CN201610851568 A CN 201610851568A CN 106178567 A CN106178567 A CN 106178567A
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- Prior art keywords
- heating chamber
- forced
- circulation
- circulation pump
- separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/28—Evaporating with vapour compression
- B01D1/284—Special features relating to the compressed vapour
- B01D1/2843—The compressed vapour is divided in at least two streams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0082—Regulation; Control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0094—Evaporating with forced circulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/28—Evaporating with vapour compression
- B01D1/2896—Control, regulation
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses an a kind of effect disome MVR forced-circulation evaporation system, including separator, first heating chamber, forced circulation pump, second heating chamber and vapour compression machine, wherein, separator and the first heating chamber connect, first heating chamber is connected with forced circulation pump, forced circulation pump and the second heating chamber connect, second heating chamber is connected with separator, separator is connected with vapour compression machine, vapour compression machine is connected with the first heating chamber and the second heating chamber respectively, first heating chamber is identical with sectional area with the heat exchanger tube quantity of the second heating chamber, heat exchanger tube length ratio is 1:1.2 ~ 1:2.5, the entrance circulation pipe of forced circulation pump is 1.1:1 ~ 1.4:1 with the ratio of the caliber of outlet circulation pipe.Use technical scheme, the operation energy consumption of MVR forced-circulation evaporation system can be greatly lowered.
Description
Technical field
The invention belongs to evaporation field, be specifically related to an a kind of effect disome MVR forced-circulation evaporation system.
Background technology
MVR is the abbreviation of steam mechanical recompression (Mechanical Vapor Recompression), is to pass through steam
The energy of the indirect steam that compressor re-using vaporized self produces, reduces a power-saving technology of energy requirement to external world.
The MVR forced-circulation evaporation system of prior art mainly includes heating chamber, separator, forced circulation pump and vapour pressure
Contracting machine, wherein heating chamber typically uses vertical single tube journey heating chamber or Horizontal multi-pipe journey heating chamber.MVR for prior art
Forced-circulation evaporation system, when heating chamber uses single tube journey, vapo(u)rization system circulating load is big, and the energy consumption of forced circulation pump is higher；
When heating chamber uses multitube distance, circulating load reduces, but simultaneously because the increase of circulation resistance causes forced circulation pump to need
Higher lift, is unfavorable for the energy-saving and cost-reducing of whole vapo(u)rization system.
Summary of the invention
It is an object of the invention to provide a kind of stable low energy consumption MVR forced-circulation evaporation system.
For achieving the above object, the technical solution adopted in the present invention is: an a kind of effect disome MVR forced-circulation evaporation system
System, including separator, the first heating chamber, forced circulation pump, the second heating chamber and vapour compression machine, separator and the first heating chamber
Connecting, the first heating chamber is connected with forced circulation pump, and forced circulation pump and the second heating chamber connect, the second heating chamber and separator
Connecting, separator is connected with vapour compression machine, and vapour compression machine is connected with the first heating chamber and the second heating chamber respectively；Described
One heating chamber is identical with sectional area with the heat exchanger tube quantity of the second heating chamber, and heat exchanger tube length ratio is 1:1.2 ~ 1:2.5；Described
The entrance circulation pipe of forced circulation pump is 1.1:1 ~ 1.4:1 with the ratio of the caliber of outlet circulation pipe.
As the further improvement of technique scheme, the outlet vapor of described vapour compression machine deliver to the first heating chamber and
Second heating chamber is as adding vapours, and the steam flow of two heating chambers is directly proportional to heat exchange area.
As the further improvement of technique scheme, described separator is provided with material liquid charging aperture.
As the further improvement of technique scheme, on the circulation pipe between described first heating chamber and forced circulation pump
It is provided with discharging opening.
Beneficial effects of the present invention is as follows.
(1) under equal heat exchange area, technical scheme is used, with prior art list heating chamber single tube journey MVR
Forced-circulation evaporation system is compared and circulating load can be greatly lowered, with prior art list heating chamber multitube distance MVR forced circulation
Vapo(u)rization system is compared and forced circulation pump lift can be greatly lowered, thus reduces whole MVR forced-circulation evaporation system
Operation energy consumption.
(2) technical scheme, owing to the first heating chamber uses relatively short heat exchanger tube length, forces to follow simultaneously
Ring pump uses relatively large entrance circulation pipe, can effectively reduce the entry resistance of forced circulation pump, it is to avoid forced circulation pump
There is cavitation phenomenons, it is ensured that the stability that MVR forced-circulation evaporation system is run.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of effect disome MVR forced-circulation evaporation system of the present invention；
In figure: 1-separator；2-the first heating chamber；3-forced circulation pump；4-the second heating chamber；5-vapour compression machine.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical program, below in conjunction with the accompanying drawings with embodiment pair
The present invention is described further.The all annexations being previously mentioned in literary composition, the most singly refer to that component is joined directly together, but use this skill
Technological means in art field is connected, or can connect adnexa by adding or reducing according to practical situation, form more excellent company
Access node structure.
As it is shown in figure 1, an a kind of effect disome MVR forced-circulation evaporation system, including separator the 1, first heating chamber 2, by force
Circulating pump the 3, second heating chamber 4 processed and vapour compression machine 5, wherein, the recycle stock outlet of separator 1 is connected to the first heating chamber
The material inlet of 2, the material outlet of the first heating chamber 2 is connected to the entrance of forced circulation pump 3, and the outlet of forced circulation pump 3 is even
Receiving the material inlet of the second heating chamber 4, the material outlet of the second heating chamber 4 is connected to the recycle stock entrance of separator 1, point
Steam (vapor) outlet from device 1 is connected to the steam inlet of vapour compression machine 5, and the steam (vapor) outlet of vapour compression machine 5 is connected respectively to
One heating chamber 2 and the steam inlet of the second heating chamber 4, separator 1 is provided with the external feed preheater of material inlet or raw material
Pump, the circulation pipe between the first heating chamber 2 and forced circulation pump 3 is provided with the external discharging pump of discharging opening.
When double heating chamber MVR forced-circulation evaporation systems are properly functioning, raw material is squeezed into separator 1 and system by raw material pump
In recycle stock mixing after, under the effect of forced circulation pump 3, pass sequentially through the first heating chamber 2 and the second heating chamber 4,
In first heating chamber 2 and the second heating chamber 4 with add vapours and carry out heat exchange, return in separator 1 after material is heated, due to
Material pressure declines rapidly and flash distillation occurs, and is gone out by steam after the indirect steam separated device 1 top Despumation device foam removal of generation
Mouthful discharging, material then recycle stock outlet bottom separator 1 is again introduced into the first heating chamber 2 and the second heating chamber 4 is carried out
Circulating and evaporating concentrates, and when reaching to design cycles of concentration, discharges from discharging opening through discharging pump.The secondary discharged from separator 1 steams
Vapour, is recompressed by vapour compression machine 5, is then adjusted after valve carries out assignment of traffic and returns to the first heating chamber 2 and second and add
Hot cell 4, as adding vapours, adds the vapours shell side two heating chambers and is condensed into water after heat exchange, and from condensation-water drain
Discharge.Wherein, the one during vapour compression machine 5 is lobed rotor compressor, high speed centrifugation compressor or centrifugal blower；Enter first
The steam flow of heating chamber 2 and the second heating chamber 4 is proportional to the heat exchange area of two heating chambers.
First heating chamber 2 is identical with sectional area with the heat exchanger tube quantity of the second heating chamber 4, and heat exchanger tube length ratio is 1:
1.2~1:2.5；The entrance circulation pipe of forced circulation pump 3 is 1.1:1 ~ 1.4:1 with the ratio of the caliber of outlet circulation pipe.First heating
Room 2 uses relatively short heat exchanger tube length, and forced circulation pump 3 uses relatively large entrance circulation pipe, the most permissible
Effectively reduce the entry resistance of forced circulation pump 3, on the other hand appropriateness can reduce the material temperature rise by the first heating chamber 2,
Thus avoid forced circulation pump generation cavitation phenomenons, it is ensured that the stability that MVR forced-circulation evaporation system is run.
Compared with the MVR forced-circulation evaporation system of prior art, double heating chamber MVR forced circulation of the technical program are steamed
The energy-saving effect of the system of sending out can illustrate from example below.
Embodiment 1
Using MVR forced-circulation evaporation system to process certain material, evaporation capacity 3000kg/h, needing total heat exchange area is 300m2.When
When using double heating chamber MVR forced-circulation evaporation system of the technical program, the first heating chamber 2 and the second heating chamber 4 all use
382 φ 25 × 1.5mm heat exchanger tubes, the wherein a length of 4m of heat exchanger tube of the first heating chamber 2, the heat exchange pipe range of the second heating chamber 4
Degree is 6m, and the heat exchange area of two heating chambers is respectively 120m2And 180m2.When heating chamber velocity in pipes is 2.0m/s, circulation
Mass flow (i.e. the flow of forced circulation pump 3) is 1000m3/h；According to the calculating of circulation resistance, the lift of forced circulation pump 3
For 4.3m.Assuming to reach during cycles of concentration the density of recycle stock in system is 1300kg/m3, the forced circulation pump 3 of selection
Efficiency is 60%, then the shaft power of forced circulation pump 3 is 25.4kW.
Comparing embodiment 1
When the something using prior art list heating chamber single tube journey vertical MVR forced-circulation evaporation system to process above-described embodiment 1
During material, the heat exchange area of heating chamber is similarly 300m2.Use the heat pipe that adds of 764 φ 25 × 1.5mm, pipe range 5m, then force to follow
The flow of ring pump 3 is 2000m3/ h, lift is 3.4m, it is also assumed that the density of recycle stock is 1300kg/m3, forced circulation pump 3
Efficiency be 60%, then the shaft power of forced circulation pump 3 is 40.1kW, is significantly larger than double heating chamber MVR forced-circulation evaporation systems
The shaft power of the forced circulation pump 3 of middle use.
Claims (4)
1. an effect disome MVR forced-circulation evaporation system, including separator (1), the first heating chamber (2), forced circulation pump
(3), the second heating chamber (4) and vapour compression machine (5), it is characterised in that: described separator (1) is connected with the first heating chamber (2)；
Described first heating chamber (2) is connected with forced circulation pump (3)；Described forced circulation pump (3) is connected with the second heating chamber (4)；Institute
State the second heating chamber (4) to be connected with separator (1)；Described separator (1) is connected with vapour compression machine (5)；Described both vapor compression
Machine (5) is connected with the first heating chamber (2) and the second heating chamber (4) respectively；Described first heating chamber (2) and the second heating chamber (4)
Heat exchanger tube quantity identical with sectional area, heat exchanger tube length ratio is 1:1.2 ~ 1:2.5；The entrance of described forced circulation pump (3)
Circulation pipe is 1.1:1 ~ 1.4:1 with the ratio of the caliber of outlet circulation pipe.
An a kind of effect disome MVR forced-circulation evaporation system the most according to claim 1, it is characterised in that: described steam
The outlet vapor of compressor (5) delivers to the first heating chamber (2) and the second heating chamber (4) conduct adds vapours, two heating chambers
Steam flow is directly proportional to heat exchange area.
An a kind of effect disome MVR forced-circulation evaporation system the most according to claim 1, it is characterised in that: described separation
Device (1) is provided with material liquid charging aperture.
An a kind of effect disome MVR forced-circulation evaporation system the most according to claim 1, it is characterised in that: described first
Circulation pipe between heating chamber (2) and forced circulation pump (3) is provided with discharging opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610851568.3A CN106178567A (en) | 2016-09-27 | 2016-09-27 | An a kind of effect disome MVR forced-circulation evaporation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610851568.3A CN106178567A (en) | 2016-09-27 | 2016-09-27 | An a kind of effect disome MVR forced-circulation evaporation system |
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|---|---|
| CN106178567A true CN106178567A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610851568.3A Pending CN106178567A (en) | 2016-09-27 | 2016-09-27 | An a kind of effect disome MVR forced-circulation evaporation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108671567A (en) * | 2018-08-01 | 2018-10-19 | 江山力凡蒸发器科技有限公司 | A kind of evaporating, concentrating and crystallizing system and its heat-exchange method |
| CN110604931A (en) * | 2018-06-14 | 2019-12-24 | 江苏搏斯威化工设备工程有限公司 | Forced external circulation evaporator system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4183331A (en) * | 1972-08-23 | 1980-01-15 | Hull Francis R | Forced circulation steam generator |
| CN202410197U (en) * | 2011-12-29 | 2012-09-05 | 河北崇阳环保科技有限公司 | Direct heat replenishing type evaporating device |
| CN203577339U (en) * | 2013-11-11 | 2014-05-07 | 广州汉泰环境技术有限公司 | Mechanical vapor recompression type evaporation and concentration device |
| CN204093062U (en) * | 2014-10-10 | 2015-01-14 | 鱼台县宝丰油脂有限公司 | The quick steaming unit of solvent recovery |
| CN104524793A (en) * | 2014-12-31 | 2015-04-22 | 山东圣琪生物有限公司 | MVR evaporator |
| CN206103381U (en) * | 2016-09-27 | 2017-04-19 | 广州市心德实业有限公司 | Two heating chamber MVR forced circulation evaporation systems |
-
2016
- 2016-09-27 CN CN201610851568.3A patent/CN106178567A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4183331A (en) * | 1972-08-23 | 1980-01-15 | Hull Francis R | Forced circulation steam generator |
| CN202410197U (en) * | 2011-12-29 | 2012-09-05 | 河北崇阳环保科技有限公司 | Direct heat replenishing type evaporating device |
| CN203577339U (en) * | 2013-11-11 | 2014-05-07 | 广州汉泰环境技术有限公司 | Mechanical vapor recompression type evaporation and concentration device |
| CN204093062U (en) * | 2014-10-10 | 2015-01-14 | 鱼台县宝丰油脂有限公司 | The quick steaming unit of solvent recovery |
| CN104524793A (en) * | 2014-12-31 | 2015-04-22 | 山东圣琪生物有限公司 | MVR evaporator |
| CN206103381U (en) * | 2016-09-27 | 2017-04-19 | 广州市心德实业有限公司 | Two heating chamber MVR forced circulation evaporation systems |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110604931A (en) * | 2018-06-14 | 2019-12-24 | 江苏搏斯威化工设备工程有限公司 | Forced external circulation evaporator system |
| CN108671567A (en) * | 2018-08-01 | 2018-10-19 | 江山力凡蒸发器科技有限公司 | A kind of evaporating, concentrating and crystallizing system and its heat-exchange method |
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Application publication date: 20161207 |