CN204170434U - Changeable board-like mechanical vapour recompression evaporator - Google Patents
Changeable board-like mechanical vapour recompression evaporator Download PDFInfo
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- CN204170434U CN204170434U CN201420525650.3U CN201420525650U CN204170434U CN 204170434 U CN204170434 U CN 204170434U CN 201420525650 U CN201420525650 U CN 201420525650U CN 204170434 U CN204170434 U CN 204170434U
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Abstract
The utility model discloses a kind of changeable board-like mechanical vapour recompression evaporator, the preheater comprising feed liquid conveying device and be connected with feed liquid conveying device, preheater has been sequentially connected in series draining pump and condensate water pot, condensate water pot is connected with the lower end outlet of primary heater and the lower end outlet of secondary heater, wherein, primary heater and secondary heater parallel with one another; The other end of preheater is connected with switch valve five parallel with one another and switch valve six, switch valve five is connected the lower inlet of primary heater and the lower inlet of secondary heater respectively by the first forced circulation pump with the second forced circulation pump with switch valve six, the upper end outlet of primary heater is all connected with separator with the upper end outlet of secondary heater, and separator connects the upper end entrance of the primary heater be in parallel and the upper end entrance of secondary heater by vapour compression machine.The beneficial effects of the utility model: can reduce evaporator heat exchange area, reduce investment.
Description
Technical field
The utility model relates to a kind of changeable board-like mechanical vapour recompression evaporator.
Background technology
In modern industry, need the field of evaporation to get more and more, therefore need to consume a large amount of energy and evaporate, in order to save energy consumption, be born mechanical steam recompression evaporimeter, can reclaim a vaporising device for indirect steam completely, it is rotated by electrical energy drive compressor, compression indirect steam, improve the temperature and pressure of indirect steam, indirect steam after compression, again for system provides thermal source, maintains evaporation and continuously carries out, reach energy-conservation object like this; But this evaporimeter is because compressor is to after indirect steam compression, the temperature rise of indirect steam is limited, so the effective temperature difference of system is lower, according to heat exchange area=system heat load/this formula of heat transfer coefficient/effective temperature difference, the lower heat exchange area of the known temperature difference is larger, and this just causes equipment investment expense very high; So in order to reduce investment outlay, need to consider from raising heat transfer coefficient and the increase temperature difference.
For the problem in correlation technique, at present effective solution is not yet proposed.
Utility model content
For the problem in correlation technique, the utility model proposes a kind of changeable board-like mechanical vapour recompression evaporator, evaporator heat exchange area can be reduced, and effectively reduce cost of investment.
The technical solution of the utility model is achieved in that
A kind of changeable board-like mechanical vapour recompression evaporator is provided according to the utility model, the preheater comprising feed liquid conveying device and be connected with feed liquid conveying device, described preheater has been sequentially connected in series draining pump and condensate water pot, described condensate water pot is connected with the lower end outlet of primary heater and the lower end outlet of secondary heater, wherein, described primary heater and secondary heater parallel with one another; The other end of described preheater is connected with switch valve five parallel with one another and switch valve six, described switch valve five is connected the lower inlet of primary heater and the lower inlet of secondary heater respectively by the first forced circulation pump with the second forced circulation pump with switch valve six, the upper end outlet of described primary heater is all connected with separator with the upper end outlet of secondary heater, and described separator connects the upper end entrance of the primary heater be in parallel and the upper end entrance of secondary heater by vapour compression machine.
Further, described switch valve five and switch valve six are connected to the first discharging pump and the second discharging pump, described first discharging pump is connected with switch valve three in parallel and switch valve four, described second discharging pump is connected with switch valve one in parallel and switch valve two, and described switch valve two is connected with the second forced circulation pump with the first forced circulation pump respectively with switch valve four.
Further, described switch valve one and switch valve three are all connected with concentrate output device.
Further, described first discharging pump and the first forced circulation pump are connected in parallel on separator, and described second discharging pump and the second forced circulation pump are connected in parallel on separator.
Further, described separator comprises left side separator and right side separator.
Further, the upper end entrance of described primary heater is connected with left side separator; The upper end entrance of described secondary heater is connected with right side separator.
Further, described switch valve five is connected with right side separator with left side separator respectively with switch valve six.
Further, the upper end entrance of described plate-type condenser and upper end outlet are connected to recirculated cooling water access to plant and recirculated cooling water output device.
Further, described preheater is provided with distilled water delivery outlet.
The beneficial effects of the utility model:
1, utilize the concentration difference of separator interior, the mean boiling point realized in separator raises the object reduced, thus increases vapo(u)rization system effective temperature difference, realizes the object reducing heat exchange area;
2, the baffle heater of special template and runner is adopted, evaporator heat transfer coefficient can be improved, the heat exchange area of evaporimeter is reduced further, and reduce heat exchange area, thus effectively reduce equipment investment cost, also can reduce the energy consumption of circulating pump simultaneously, save energy consumption further, be conducive to the propagation and employment in market;
3, by adopting plate type heat exchanger, the problem that conventional tubular heat exchanger is difficult to keep in repair and clean is solved.Because the heat exchanger fin of plate type heat exchanger can be removed, changes, clean, can assemble easily, solve the problem that conventional tubular heat exchanger is difficult to keep in repair and clean;
4, by the sequential transformations of double flash evaporation, the fouling cycle of retard evaporation device is carried out; The vapo(u)rization system flow direction of material of the application can switch, and effectively prevent the problem that long-term heating high concentration material makes the fouling cycle short.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of changeable board-like mechanical vapour recompression evaporator according to the utility model embodiment.
In figure:
1, preheater; 2, draining pump; 3, condensate water pot; 4, primary heater; 5, vapour compression machine; 6, separator; 7, secondary heater; 8, the first forced circulation pump; 9, the second forced circulation pump; 10, the first discharging pump; 11, the second discharging pump; 12, switch valve one; 13, switch valve two; 14, switch valve three; 15, switch valve four; 16, switch valve five; 17, switch valve six.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of the utility model protection.
According to embodiment of the present utility model, provide a kind of changeable board-like mechanical vapour recompression evaporator.
As shown in Figure 1, according to the changeable board-like mechanical vapour recompression evaporator of the one of the utility model embodiment, the preheater 1 comprising feed liquid conveying device and be connected with feed liquid conveying device, described preheater 1 has been sequentially connected in series draining pump 2 and condensate water pot 3, described condensate water pot 3 is connected with the lower end outlet of primary heater 4 and the lower end outlet of secondary heater 7, wherein, described primary heater 4 and secondary heater 7 parallel with one another; The other end of described preheater 1 is connected with switch valve 5 16 parallel with one another and switch valve 6 17, described switch valve 5 16 is connected the lower inlet of primary heater 4 and the lower inlet of secondary heater 7 respectively by the first forced circulation pump 8 with the second forced circulation pump 9 with switch valve 6 17, the upper end outlet of described primary heater 4 is all connected with separator 6 with the upper end outlet of secondary heater 7, and described separator 6 connects the upper end entrance of primary heater 4 and the upper end entrance of secondary heater 7 that are in parallel by vapour compression machine 5.
Described switch valve 5 16 and switch valve 6 17 are connected to the first discharging pump 10 and the second discharging pump 11, described first discharging pump 10 is connected with switch valve 3 14 in parallel and switch valve 4 15, described second discharging pump 11 is connected with switch valve 1 in parallel and switch valve 2 13, and described switch valve 2 13 and switch valve 4 15 are connected with the second forced circulation pump 9 with the first forced circulation pump 8 respectively; Described switch valve 1 and switch valve 3 14 are all connected with concentrate output device; Described first discharging pump 10 and the first forced circulation pump 8 are connected in parallel on separator 6, and described second discharging pump 11 and the second forced circulation pump 9 are connected in parallel on separator 6.
Described separator 6 comprises left side separator and right side separator; The upper end entrance of described primary heater 4 is connected with left side separator; The upper end entrance of described secondary heater 7 is connected with right side separator; Described switch valve 5 16 is connected with right side separator with left side separator respectively with switch valve 6 17; The upper end entrance of described plate-type condenser 11 and upper end outlet are connected to recirculated cooling water access to plant and recirculated cooling water output device; Described preheater 1 is provided with distilled water delivery outlet.
During concrete use, described preheater 1 is plate type heat exchanger, GB: GB16409-1996, and described draining pump 2, first discharging pump 10 and the second discharging pump 11 are chemical centrifugal pump; Described water tank 3 and separator 6 are steel chemical industry non-pressure vessel, heat-insulation layer in addition, and middle substitute demarcation strip bottom described separator 6, by liquid separation in two regions, be left side separator region and right side separator region, and top shares a gas separated space; Described primary heater 4 and secondary heater 7 are the plate type heat exchanger of special version type, GB: GB16409-1996; Described vapour compression machine 5 is steam lobed rotor compressor or centrifugal compressor; Described first forced circulation pump 8 and the second forced circulation pump 9 all adopt chemical mixed-flow pump; Described switch valve 1, switch valve 2 13, switch valve 3 14, switch valve 4 15, switch valve five; 16 and switch valve 6 17 all adopt manually-operated gate or automatic valve.
During specific works, start: material to be processed is transported to preheater 1 by feed liquid conveying device, carry the condensed water heat exchange of the heat of coming with draining pump 2 in affiliated preheater 1, temperature leaves described preheater 1 after raising, enter switch valve 16 and switch valve 17, enter left side and first forced circulation pump 8 of primary heater 4 and separator 6 more respectively, and the evaporimeter of the right side of secondary heater 7 and separator 6 and the second forced circulation pump 9 and vapour compression machine 5 composition.
Wherein left side flow process is: feed liquid, through described first forced circulation pump 8, enters bottom primary heater 4, and rising gradually enters on the left of separator 6, and feed liquid drops to the left field of separator 6, again enters the first forced circulation pump 8 and continues circulating-heating.
Right side flow process is: feed liquid, through described second forced circulation pump 9, enters bottom secondary heater 7, and rising gradually enters on the right side of separator 6, and feed liquid drops to the right side area of separator 6, continues circulating-heating entering the second forced circulation pump 9.
Water vapour by thermal evaporation generation enters described vapour compression machine 5 and compresses, enthalpy rises, again from the outlet of vapour compression machine 5 out, steam enters the steam side of primary heater 4 and secondary heater 7 respectively, release latent heat provides thermal source for the material in heater, condensed steam enters water tank 3, and condensed water is sent to preheater 1 for raw material by draining pump 2 and provides preheating.
Switching flow: after start, system starts to enter evaporating state, now can define the trend of material, effectively prevent the problem that long-term heating high concentration material makes the fouling cycle short.
Wherein, move towards one: as initial concentration on the left of described separator 6, as final concentrated on the right side of described separator 6; When separator 6 left field liquid level reduces due to evaporation, fresh material provides supplementary through switch valve 16 (close and switch popular 17) for it; When separator 6 right side area liquid level reduces due to evaporation, the material on the left of separator 6 provides supplementary through discharging pump 10 and switch valve 15 (close and switch popular 14) for it.
Move towards two: as initial concentration on the right side of described separator 6, as final concentrated on the left of described separator 6; When separator 6 right side area liquid level reduces due to evaporation, fresh material provides supplementary through switch valve 17 (close and switch popular 16) for it; When separator 6 left field liquid level reduces due to evaporation, the material on the right side of separator 6 provides supplementary through discharging pump 11 and switch valve 14 (close and switch popular 15) for it.
Utilize the concentration difference of separator 6 inside, the mean boiling point realized in separator 6 raises the object reduced, thus increases vapo(u)rization system effective temperature difference, realizes the object reducing heat exchange area.
Adopt the baffle heater of special template and runner, evaporator heat transfer coefficient can be improved, and mass data and practical experience show that the heat transfer coefficient of plate type heat exchanger is far away higher than tubular heat exchanger, the heat exchange area of evaporimeter is made to reduce further like this, and reduce heat exchange area, will equipment investment be reduced, also can reduce the energy consumption of circulating pump simultaneously, save energy consumption further.
By adopting plate type heat exchanger, solve the problem that conventional tubular heat exchanger is difficult to keep in repair and clean, because the heat exchanger fin of plate type heat exchanger can be removed, changes, clean, can assemble easily, which solves the problem that conventional tubular heat exchanger is difficult to keep in repair and clean
By the sequential transformations of double flash evaporation, carry out the fouling cycle of retard evaporation device.According to material move towards one and move towards two description, be appreciated that the vapo(u)rization system flow direction of material in this patent can switch, such as: first run a period of time by the mode moving towards, run a period of time by the mode moving towards two again, this avoid the problem that long-term heating high concentration material makes the fouling cycle short.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a changeable board-like mechanical vapour recompression evaporator, the preheater (1) comprising feed liquid conveying device and be connected with feed liquid conveying device, it is characterized in that: described preheater (1) has been sequentially connected in series draining pump (2) and condensate water pot (3), described condensate water pot (3) is connected with the lower end outlet of primary heater (4) and the lower end outlet of secondary heater (7), wherein, described primary heater (4) and secondary heater (7) parallel with one another, the other end of described preheater (1) is connected with switch valve five (16) parallel with one another and switch valve six (17), described switch valve five (16) is connected the lower inlet of primary heater (4) and the lower inlet of secondary heater (7) respectively by the first forced circulation pump (8) with the second forced circulation pump (9) with switch valve six (17), the upper end outlet of described primary heater (4) is all connected with separator (6) with the upper end outlet of secondary heater (7), described separator (6) connects the upper end entrance of the primary heater (4) be in parallel and the upper end entrance of secondary heater (7) by vapour compression machine (5).
2. changeable board-like mechanical vapour recompression evaporator according to claim 1, it is characterized in that, described switch valve five (16) and switch valve six (17) are connected to the first discharging pump (10) and the second discharging pump (11), described first discharging pump (10) is connected with switch valve three (14) in parallel and switch valve four (15), described second discharging pump (11) is connected with switch valve one (12) in parallel and switch valve two (13), described switch valve two (13) is connected with the second forced circulation pump (9) with the first forced circulation pump (8) respectively with switch valve four (15).
3. changeable board-like mechanical vapour recompression evaporator according to claim 2, is characterized in that, described switch valve one (12) and switch valve three (14) are all connected with concentrate output device.
4. the changeable board-like mechanical vapour recompression evaporator according to Claims 2 or 3, it is characterized in that, described first discharging pump (10) and the first forced circulation pump (8) are connected in parallel on separator (6), and described second discharging pump (11) and the second forced circulation pump (9) are connected in parallel on separator (6).
5. changeable board-like mechanical vapour recompression evaporator according to claim 4, is characterized in that, described separator (6) comprises left side separator and right side separator.
6. changeable board-like mechanical vapour recompression evaporator according to claim 5, it is characterized in that, the upper end entrance of described primary heater (4) is connected with left side separator; The upper end entrance of described secondary heater (7) is connected with right side separator.
7. changeable board-like mechanical vapour recompression evaporator according to claim 5, is characterized in that, described switch valve five (16) is connected with right side separator with left side separator respectively with switch valve six (17).
8. the changeable board-like mechanical vapour recompression evaporator according to claim 5 to 7 any one, it is characterized in that, the upper end entrance of described plate-type condenser (11) and upper end outlet are connected to recirculated cooling water access to plant and recirculated cooling water output device.
9. the changeable board-like mechanical vapour recompression evaporator according to claim 5 to 7 any one, is characterized in that, described preheater (1) is provided with distilled water delivery outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420525650.3U CN204170434U (en) | 2014-09-15 | 2014-09-15 | Changeable board-like mechanical vapour recompression evaporator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420525650.3U CN204170434U (en) | 2014-09-15 | 2014-09-15 | Changeable board-like mechanical vapour recompression evaporator |
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| Publication Number | Publication Date |
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| CN204170434U true CN204170434U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420525650.3U Expired - Fee Related CN204170434U (en) | 2014-09-15 | 2014-09-15 | Changeable board-like mechanical vapour recompression evaporator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771921A (en) * | 2015-04-14 | 2015-07-15 | 徐翔 | Atmospheric synergetic MVR energy saving unit and energy saving process |
| CN108217793A (en) * | 2018-03-22 | 2018-06-29 | 兰州节能环保工程有限责任公司 | The vaporising device of two kinds of variety classes waste liquids can simultaneously be handled simultaneously with self-cleaning function |
-
2014
- 2014-09-15 CN CN201420525650.3U patent/CN204170434U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771921A (en) * | 2015-04-14 | 2015-07-15 | 徐翔 | Atmospheric synergetic MVR energy saving unit and energy saving process |
| CN108217793A (en) * | 2018-03-22 | 2018-06-29 | 兰州节能环保工程有限责任公司 | The vaporising device of two kinds of variety classes waste liquids can simultaneously be handled simultaneously with self-cleaning function |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xia Heyi Inventor after: Zheng Tiejun Inventor after: Liu Zhengjian Inventor before: Zheng Tiejun Inventor before: Liu Zhengjian |
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| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170203 Address after: 266300 Shandong city of Qingdao province Jiaozhou City zhongyun Xinzhi Village North East Office Patentee after: Xia Heyi Address before: 518054 Guangdong city of Shenzhen province Nanshan District Mei Shu Lanshan home building C 704 Patentee before: Zheng Tiejun |
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| TR01 | Transfer of patent right |
Effective date of registration: 20180212 Address after: 266300 Shandong city of Qingdao province Jiaozhou City glue North Street offices Jiaobei Industrial Park Road West in the first branch Patentee after: QINGDAO CONQINPHI ENERGY TECH CO.,LTD. Address before: 266300 Shandong city of Qingdao province Jiaozhou City zhongyun Xinzhi Village North East Office Patentee before: Xia Heyi |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266300 Shandong Qingdao Jiaozhou Jiao Bei Street Office North Jiaodong International Industrial Park Patentee after: QINGDAO KANGJINGHUI ENVIRONMENTAL TECHNOLOGY GROUP Co.,Ltd. Address before: 266300 Shandong Qingdao Jiaozhou Jiao Bei Street Office North Jiaodong International Industrial Park Patentee before: QINGDAO CONQINPHI ENERGY TECH CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |