CN210933843U - Movable MVR evaporator system - Google Patents
Movable MVR evaporator system Download PDFInfo
- Publication number
- CN210933843U CN210933843U CN201921270705.XU CN201921270705U CN210933843U CN 210933843 U CN210933843 U CN 210933843U CN 201921270705 U CN201921270705 U CN 201921270705U CN 210933843 U CN210933843 U CN 210933843U
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- Prior art keywords
- vacuum
- pump
- heater
- tank
- discharge
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- 239000002994 raw material Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 description 7
- 230000008020 evaporation Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010057040 Temperature intolerance Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000008543 heat sensitivity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
A mobile MVR evaporator system comprises a raw material tank, a feeding pump, a condensate pump, a centrifugal machine, a vacuum pump, a vacuum cache tank, a heater, a separator, a discharging pump and a vacuum compressor; the feed end of the feed pump is connected with the discharge end of the raw material tank, and the discharge end of the feed pump is connected with the centrifuge; the centrifuge is connected with a condensate pump and a raw material tank, the water inlet end of the condensate pump is connected with a vacuum cache tank, and the water outlet end of the condensate pump is connected with a vacuum compressor; a vacuum exchange port is arranged on the vacuum pump, and the air outlet end of the vacuum pump is connected with the vacuum cache tank; the air outlet end of the vacuum cache tank is connected with the heater; the discharge end of the heater is respectively connected with the separator and the feed end of the discharge pump; the discharge end of the separator is connected with a vacuum compressor; the discharge end of the vacuum compressor is connected with the feed end of the heater, and a raw steam inlet is arranged at the joint of the vacuum compressor and the heater. The utility model discloses the thermal efficiency is high, the energy can be saved, and degree of automation is high, and equipment area is little.
Description
Technical Field
The utility model relates to an evaporimeter technical field especially relates to a portable MVR evaporimeter system.
Background
The MVR evaporator is a novel high-efficiency energy-saving evaporation device mainly applied to the pharmaceutical industry, the device adopts a low-temperature and low-pressure steaming technology and clean energy as energy sources to generate steam, water in media is separated out, the MVR evaporator is an international advanced evaporation technology at present, and the MVR evaporator is an upgrading product for replacing a traditional evaporator. The MVR evaporator is the highest heat transfer coefficient of the existing evaporator at present, is widely applied to the fields of seawater desalination, medical wastewater, chemical wastewater concentration and the like, and is mainly characterized by small occupied area and easy manual cleaning.
The existing MVR evaporator generally adopts the cooperation of a hot well and an evaporation main body to treat wastewater, and when the wastewater with large change of concentration and boiling point is treated, the MVR evaporator is close to the evaporation capacity of the common wastewater, cannot be flexibly applied and has large floor area.
In order to solve the above problems, a mobile MVR evaporator system is proposed in the present application.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a portable MVR evaporator system, the thermal efficiency is high, the energy can be saved, degree of automation is high, and equipment area is little, and the manual work volume is few.
(II) technical scheme
The utility model provides a mobile MVR evaporator system, which comprises a raw material tank, a feed pump, a condensate pump, a centrifuge, a vacuum pump, a vacuum buffer tank, a heater, a separator, a discharge pump and a vacuum compressor;
the feed end of the feed pump is connected with the discharge end of the raw material tank, and the discharge end of the feed pump is connected with the centrifuge; the centrifugal machine is connected with the condensate pump and the raw material tank, and a cooling joint is arranged on the centrifugal machine; the water inlet end of the condensate pump is connected with the vacuum cache tank, and the water outlet end of the condensate pump is connected with the vacuum compressor; a vacuum exchange port is arranged on the vacuum pump, and the air outlet end of the vacuum pump is connected with the vacuum cache tank; the air outlet end of the vacuum cache tank is connected with the heater; the discharge end of the heater is respectively connected with the separator and the feed end of the discharge pump; the discharge end of the separator is connected with the vacuum compressor; the vacuum compressor discharge end with the heater feed end links to each other, the vacuum compressor with the heater junction is provided with raw vapour import.
Preferably, the discharge end of the discharge pump is connected with a solution concentration tank, and the solution concentration tank is connected with the centrifuge.
Preferably, the discharge end of the solution concentration tank is connected with a circulating pump; and the discharge end of the circulating pump is connected with the feed end of the heater.
Preferably, the heater is provided with a pressure gauge and a thermometer.
Preferably, the vacuum compressor is provided with a pressure gauge and a thermometer.
Preferably, the vacuum compressor is driven in a variable frequency mode.
The above technical scheme of the utility model has following profitable technological effect: the evaporator system of the utility model has high thermal efficiency and saves energy; MBR evaporation is adopted, the evaporation temperature can be set at will within the range of 30-100 ℃, the device is particularly suitable for materials with strong heat sensitivity, the materials are not easy to denature, freezing cooling water is not needed in a low-temperature state, and the investment is saved; the automation degree is high, the occupied area of the equipment is small, and the number of operators is small.
Drawings
Fig. 1 is a structural flow chart of a mobile MVR evaporator system provided by the present invention.
Fig. 2 is a schematic structural diagram of a mobile MVR evaporator system according to the present invention.
Reference numerals: 1. a raw material tank; 2. a feed pump; 3. a condensate pump; 4. a centrifuge; 5. a vacuum pump; 6. a vacuum buffer tank; 7. a heater; 8. a separator; 9. a discharge pump; 10. a vacuum compressor; 11. a solution concentration tank; 12. and a circulating pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-2, the utility model provides a mobile MVR evaporator system, which comprises a raw material tank 1, a feed pump 2, a condensate pump 3, a centrifuge 4, a vacuum pump 5, a vacuum buffer tank 6, a heater 7, a separator 8, a discharge pump 9 and a vacuum compressor 10;
the feed end of the feed pump 2 is connected with the discharge end of the raw material tank 1, and the discharge end of the feed pump 2 is connected with the centrifuge 4; the centrifugal machine 4 is connected with the condensate pump 3 and the raw material tank 1, and a cooling interface is arranged on the centrifugal machine 4; the water inlet end of the condensate pump 3 is connected with the vacuum cache tank 6, and the water outlet end of the condensate pump 3 is connected with the vacuum compressor 10; a vacuum exchange port is arranged on the vacuum pump 5, and the air outlet end of the vacuum pump 5 is connected with the vacuum cache tank 6; the air outlet end of the vacuum cache tank 6 is connected with the heater 7; the discharge end of the heater 7 is respectively connected with the separator 8 and the feed end of the discharge pump 9; the discharge end of the separator 8 is connected with the vacuum compressor 10; the discharge end of the vacuum compressor 10 is connected with the feed end of the heater 7, and a raw steam inlet is arranged at the joint of the vacuum compressor and the heater 7.
In an alternative embodiment, a solution concentration tank 11 is connected to the discharge end of the discharge pump 9, and the solution concentration tank 11 is connected to the centrifuge 4.
In an alternative embodiment, the discharge end of the solution concentration tank 11 is connected with a circulating pump 12; the discharge end of the circulating pump 12 is connected with the feed end of the heater 7.
In an alternative embodiment, a pressure gauge and a thermometer are provided on the heater 7.
In an alternative embodiment, a pressure gauge and a temperature gauge are provided on the vacuum compressor 10.
In an alternative embodiment, the vacuum compressor 10 is driven in a variable frequency manner.
In the utility model, when the machine is just started, the raw steam valve is manually controlled, the raw steam enters the circulating heater to preheat the material until the whole equipment is about 90 ℃, then the inlet of the raw steam entering the forced circulating heater is closed, and the automatic control mode is entered; during automatic control, the raw steam is used for sealing the steam compressor; in the automatic control process, after secondary steam generated by forced circulation passes through a booster fan, the pressure and the temperature are both improved, and the secondary steam enters a forced circulation heater to be used as a heat source; after passing through a heater of a forced circulation evaporator, the secondary steam pressurized by the fan is condensed into high-temperature water which is used as a raw material to preheat the plate heat exchanger, and the water after heat exchange enters the next process; the material enters the plate preheater from the raw material tank, then enters the forced circulation evaporator, and finally liquid discharge is completed.
The utility model calculates the heat exchange area, the separation space and the pump requirement according to the boiling temperature rise of the material;
taking sodium chloride as an example:
1) heat transfer coefficient: k 750w/(m2 deg.C); latent heat of vaporization at 90 ℃ of 2283 kj/kg; the steam density at 90 ℃ is 0.4229Kg/m3, and the evaporation capacity is 50 Kg/h;
2) the boiling point corresponding to the concentration of saturated sodium chloride is 106 ℃, and the temperature of the compressor is increased by 16 ℃, the temperature loss is 2 ℃, so that the temperature driving force is 106-90-6-2-8 ℃;
the heat exchange area is 50 × 2283 × 1000/750/8/3600 ═ 5m2
The heat exchange area is 6m2 because the amplification is 5 × 1.2, 1.2 is 6m 2;
3) according to the heat exchange area, the outer diameter of the heater is phi 400 mm; the length of the tube is 1000 mm;
4) the separator is used for loading secondary steam, so the volume is 50/0.4229/3600-0.033 m 3; setting the separation height to be 0.8 m;
so the diameter of the separator is 23 mm; the discharge amount is 377 mm;
5) the number of the tube bundles of the heater is 6/0.032/pi/1 to 60; setting the flow velocity in the pipe to be 0.5 m/s; the flow rate of the circulating pump is as follows:
(0.029/2)2 × pi × 60 × 0.5 × 3600/2-36 m3/h, so that 50m3/h and 7.5kw power are selected
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. A mobile MVR evaporator system is characterized by comprising a raw material tank (1), a feeding pump (2), a condensate pump (3), a centrifugal machine (4), a vacuum pump (5), a vacuum buffer tank (6), a heater (7), a separator (8), a discharge pump (9) and a vacuum compressor (10);
the feed end of the feed pump (2) is connected with the discharge end of the raw material tank (1), and the discharge end of the feed pump (2) is connected with the centrifuge (4); the centrifugal machine (4) is connected with the condensate pump (3) and the raw material tank (1), and a cooling interface is arranged on the centrifugal machine (4); the water inlet end of the condensate pump (3) is connected with the vacuum cache tank (6), and the water outlet end of the condensate pump (3) is connected with the vacuum compressor (10); a vacuum exchange port is arranged on the vacuum pump (5), and the air outlet end of the vacuum pump (5) is connected with the vacuum cache tank (6); the air outlet end of the vacuum cache tank (6) is connected with the heater (7); the discharge end of the heater (7) is respectively connected with the separator (8) and the feed end of the discharge pump (9); the discharge end of the separator (8) is connected with the vacuum compressor (10); the discharge end of the vacuum compressor (10) is connected with the feed end of the heater (7), and a raw steam inlet is arranged at the joint of the vacuum compressor and the heater (7).
2. The mobile MVR evaporator system according to claim 1, wherein a solution concentration tank (11) is connected to the discharge end of the discharge pump (9), and the solution concentration tank (11) is connected to the centrifuge (4).
3. The mobile MVR evaporator system according to claim 2, wherein a circulation pump (12) is connected to the discharge end of the solution concentration tank (11); and the discharge end of the circulating pump (12) is connected with the feed end of the heater (7).
4. The mobile MVR evaporator system according to claim 1, wherein a pressure gauge and a temperature gauge are provided on the heater (7).
5. The mobile MVR evaporator system according to claim 1, wherein a pressure gauge and a temperature gauge are provided on the vacuum compressor (10).
6. The mobile MVR evaporator system according to claim 1, wherein the vacuum compressor (10) is driven by a variable frequency drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921270705.XU CN210933843U (en) | 2019-08-07 | 2019-08-07 | Movable MVR evaporator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921270705.XU CN210933843U (en) | 2019-08-07 | 2019-08-07 | Movable MVR evaporator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210933843U true CN210933843U (en) | 2020-07-07 |
Family
ID=71369702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921270705.XU Expired - Fee Related CN210933843U (en) | 2019-08-07 | 2019-08-07 | Movable MVR evaporator system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210933843U (en) |
-
2019
- 2019-08-07 CN CN201921270705.XU patent/CN210933843U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 |