CN206799198U - A kind of economic benefits and social benefits MVR evaporates distillation system - Google Patents
A kind of economic benefits and social benefits MVR evaporates distillation system Download PDFInfo
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- CN206799198U CN206799198U CN201720705619.1U CN201720705619U CN206799198U CN 206799198 U CN206799198 U CN 206799198U CN 201720705619 U CN201720705619 U CN 201720705619U CN 206799198 U CN206799198 U CN 206799198U
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- mvr
- evaporator
- secondary evaporimeter
- preheater
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Abstract
This application discloses a kind of economic benefits and social benefits MVR to evaporate distillation system, including one-level preheater, two level preheater, one-level evaporator, secondary evaporimeter, rectifying column, MVR compressors.The utility model can be evaporated rectifying to methanol, acetone, and the waste water COD after evaporative condenser is reduced to less than 2000, can enter directly into wastewater disposal basin biochemical treatment, equipment investment is small, and energy consumption is low, simple to operate.
Description
Technical field
It the utility model is related to technical field of waste water processing, and in particular to a kind of economic benefits and social benefits MVR evaporates distillation system.
Background technology
Caused sewage some contains a certain amount of methanol, acetone and part inorganic salts, this kind of dirt in chemical process
Although water objectionable impurities content is not high, COD can reach more than 30000, and with the presence of inorganic salts, it is impossible to it is directly discharged to waste water
Pond biochemical treatment.Dealt with for enterprise pretty troublesome costly.Evaporated with traditional multiple-effect evaporation technique or single-action MVR
Technique be can by containing inorganic salts separate, but the gas being evaporated is condensed into water and also needs to further handle again,
Subsequently typically use rectification process, it is also necessary to consume a large amount of steam.For very big sewage quantity, be all it is very high into
This, enterprise can not bear.Therefore, a kind of economic benefits and social benefits MVR evaporations distillation system of the present utility model, can to methanol, acetone
It is evaporated rectifying, the waste water COD after evaporative condenser is reduced to less than 2000, can enter directly into wastewater disposal basin biochemical treatment.
The content of the invention
The purpose of this utility model is to provide a kind of economic benefits and social benefits MVR evaporations distillation system, to solve to carry in above-mentioned background technology
The problem of going out.
The utility model uses following technical scheme：A kind of economic benefits and social benefits MVR evaporates distillation system, including one-level preheater, two
Level preheater, one-level evaporator, secondary evaporimeter, rectifying column, MVR compressors, high-temperature steam import connect two level preheating respectively
One import of device, one-level evaporator, an import of the one outlet connection secondary evaporimeter of one-level evaporator, dual evaporation
The import of the one outlet connection MVR compressors of device, an import of the outlet connection one-level evaporator of MVR compressors, raw material
Import is sequentially connected one-level preheater, two level preheater, one-level evaporator, secondary evaporimeter, and secondary evaporimeter connection underflow goes out
Mouthful, one-level evaporator, secondary evaporimeter connect rectifying column, rectifying column connection methanol, acetone outlet respectively.
Further, one-level evaporator, secondary evaporimeter, rectifying column are all connected with one-level preheater.
The beneficial effects of the utility model are：
1st, evaporated compared to single-action MVR, economic benefits and social benefits MVR evaporation capacity reduces one times, and the consumption of power consumption and raw steam also reduces one
Times.
2nd, rectifying tower reduces more times, and investment is small, and energy consumption is low.Traditional rectifying is that the condensed water that will be evaporated fully enters
Go to reheat to rectifying column and evaporate, rectifying column is relatively large in diameter also very high in the case where evaporation capacity is big, and equipment investment is big, disappears simultaneously
The a large amount of raw steam of consumption.Present apparatus rate of air sucked in required only has the 3-5% of evaporation capacity, and need not reheat.
3rd, the waste water COD after evaporative condenser is reduced to less than 2000, can enter directly into wastewater disposal basin biochemical treatment.
4th, the two-in-one effective combination of rectifying is evaporated, equipment investment is small, and energy consumption is low, simple to operate.
Brief description of the drawings
The application is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the principle schematic that a kind of economic benefits and social benefits MVR evaporates distillation system.
In figure marked as：1st, one-level preheater；2nd, two level preheater；3rd, one-level evaporator；4th, secondary evaporimeter；5th, it is smart
Evaporate tower；6th, MVR compressors；7th, high-temperature steam import；8th, material inlet；9th, methanol, acetone outlet；10th, underflow exports.
Embodiment
In order to facilitate the understanding of those skilled in the art, the utility model is further retouched below in conjunction with embodiment
State.Embodiment is only to the utility model for example, not being to restriction of the present utility model, is not made in embodiment specific
The step of explanation is prior art, is not described in detail herein.
Embodiment one
A kind of economic benefits and social benefits MVR evaporation distillation systems as shown in Figure 1, including one-level preheater 1, two level preheater 2, one-level are steamed
Send out device 3, secondary evaporimeter 4, rectifying column 5, MVR compressors 6.
High-temperature steam import 7 connects an import of two level preheater 2, one-level evaporator 3 respectively, one-level evaporator 3
One outlet connects an import of secondary evaporimeter 4, and the one outlet of secondary evaporimeter 4 connects the import of MVR compressors 6,
One import of the outlet connection one-level evaporator 3 of MVR compressors 6.
Material inlet 8 is sequentially connected one-level preheater 1, two level preheater 2, one-level evaporator 3, secondary evaporimeter 4, raw material
Enter from material inlet 8, one-level preheater 1, two level preheater 2, one-level evaporator 3, secondary evaporimeter 4 are passed sequentially through, by one-level
Preheater 1, two level preheater 2 heat, and are evaporated by one-level evaporator 3, secondary evaporimeter 4, are come out from the outlet of secondary evaporimeter
Raw material be changed into underflow, from underflow outlet 10 discharge.
Being evaporated in one-level evaporator 3, secondary evaporimeter 4 in raw material, one-level evaporator 3, secondary evaporimeter 4 are distinguished
Rectifying column 5 is connected, the steam containing methanol, acetone carries out rectifying by rectifying column 5, is then returned by methanol, acetone outlet 9
Receive.
One-level evaporator 3, secondary evaporimeter 4, rectifying column 5 are all connected with one-level preheater 1, can be by one-level evaporator 3, two
Waste heat in level evaporator 4, rectifying column 5 preheats to raw material in one-level preheater 1.
Described above is embodiments herein.The application is not limited to above-mentioned embodiment, anyone should learn that
The structure change made under the enlightenment of the application, it is every that there is same or like technical scheme with the application, each fall within this
Within the protection domain of application.
Claims (2)
1. a kind of economic benefits and social benefits MVR evaporates distillation system, it is characterised in that：Including one-level preheater, two level preheater, one-level evaporation
Device, secondary evaporimeter, rectifying column, MVR compressors, high-temperature steam import connect two level preheater, the one of one-level evaporator respectively
Individual import, an import of the one outlet connection secondary evaporimeter of one-level evaporator, the one outlet connection of secondary evaporimeter
The import of MVR compressors, an import of the outlet connection one-level evaporator of MVR compressors, material inlet are sequentially connected one-level
Preheater, two level preheater, one-level evaporator, secondary evaporimeter, the outlet of secondary evaporimeter connection underflow, one-level evaporator, two
Level evaporator connects rectifying column, rectifying column connection methanol, acetone outlet respectively.
A kind of 2. economic benefits and social benefits MVR evaporations distillation system according to claim 1, it is characterised in that：One-level evaporator, two level are steamed
Hair device is all connected with rectifying column, and gas in one-level evaporator, secondary evaporimeter is pumped into rectifying column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720705619.1U CN206799198U (en) | 2017-06-17 | 2017-06-17 | A kind of economic benefits and social benefits MVR evaporates distillation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720705619.1U CN206799198U (en) | 2017-06-17 | 2017-06-17 | A kind of economic benefits and social benefits MVR evaporates distillation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206799198U true CN206799198U (en) | 2017-12-26 |
Family
ID=60746165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720705619.1U Expired - Fee Related CN206799198U (en) | 2017-06-17 | 2017-06-17 | A kind of economic benefits and social benefits MVR evaporates distillation system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206799198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282676A (en) * | 2019-07-22 | 2019-09-27 | 深圳市瑞升华科技股份有限公司 | Hydrazine hydrate waste water evaporation crystallization equipment and its evaporative crystallization technique |
-
2017
- 2017-06-17 CN CN201720705619.1U patent/CN206799198U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282676A (en) * | 2019-07-22 | 2019-09-27 | 深圳市瑞升华科技股份有限公司 | Hydrazine hydrate waste water evaporation crystallization equipment and its evaporative crystallization technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20210617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |