CN204932898U - A kind of triple effect downward film evaporator - Google Patents
A kind of triple effect downward film evaporator Download PDFInfo
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- CN204932898U CN204932898U CN201520654275.7U CN201520654275U CN204932898U CN 204932898 U CN204932898 U CN 204932898U CN 201520654275 U CN201520654275 U CN 201520654275U CN 204932898 U CN204932898 U CN 204932898U
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Abstract
The utility model discloses a kind of triple effect downward film evaporator, comprises 1st effective evaporator, 2nd effect evaporator, triple effect evaporator, an effect circulating pump, an effect separator, two effect circulating pumps, two effect separator, triple effect cycle pump, triple effect separator, discharging pump, condensation water tank, feed pump, compensator, condenser, vavuum pump, thermocompressor, cleaning shower nozzles.This triple effect downward film evaporator adopts triple effect evaporation structure, by improving the object utilizing number of times to reach energy-saving and cost-reducing of steam, not only reducing energy consumption, improve heat transfer coefficient and heat transfer efficiency, and shorten evaporation time, reduce labour intensity.
Description
Technical field
The utility model relates to a kind of liquid slurry concentration technique field, particularly relates to a kind of triple effect downward film evaporator.
Background technology
Evaporation is heated under boiling condition by the solution containing fixedness solute, and partial solvent is gasified as the unit operations of steam.Because solvent gasification needs a large amount of latent heat, therefore evaporation is the unit operations that an energy consumption is very high.Multiple-effect evaporation is one of the most frequently used operating unit of process industrial, the indirect steam that front 1st effective evaporator is vaporized is passed into the heating steam of heating clamber as rear 1st effective evaporator of rear 1st effective evaporator by multiple-effect evaporation, multiple-effect evaporation takes full advantage of the latent heat of vaporization of each effect indirect steam, is a kind of relatively energy-conservation evaporation operation.
At this emerging production field of corn chemical industry, sugar refining technology and corn steep liquor concentrated needs to use steam and heats, technological requirement steam parameter is general lower, steam pressure is generally 0.2 ~ 0.3MPa, and the nominal steam pressure of the steam boiler of actual disposition is many at more than 1.3MPa, steam supply and with vapour between the waste of heat energy very large, it is estimated that the power consumption of evaporation process accounts for greatly 25% ~ 35% of the power consumption of whole production process, especially, corn chemical enterprise mature production technology and under the unclear condition of energy consumption equipment energy consumption, the heat of loss is more.How operate by under the production cost that makes multi-effect evaporation system remain minimum in operation to the operation optimization of corn chemical process, or what original cost was high makes it operate under least cost by operation optimization, there is very large meaning to the production process of enterprise, energy consumption and economic benefit.
Summary of the invention
In order to solve the problem that current steam boiler energy consumption is large, heat transfer efficiency is low; The utility model provides a kind of triple effect downward film evaporator, this triple effect downward film evaporator adopts triple effect evaporation structure, by improving the object utilizing number of times to reach energy-saving and cost-reducing of steam, not only reduce energy consumption, improve heat transfer coefficient and heat transfer efficiency, and shorten evaporation time, reduce labour intensity.
The utility model solves the technical scheme that its technical problem adopts: a kind of triple effect downward film evaporator, comprises 1st effective evaporator, 2nd effect evaporator, triple effect evaporator, an effect circulating pump, an effect separator, two effect circulating pumps, two effect separator, triple effect cycle pump, triple effect separator, discharging pump, condensation water tank, feed pump, compensator, condenser, vavuum pump, thermocompressor, cleaning shower nozzles; Described feed pump is communicated with compensator by pipeline one end, and the other end connects with 1st effective evaporator top; 1st effective evaporator bottom is communicated with 2nd effect evaporator top by pipeline, is provided with an effect circulating pump between the two; 2nd effect evaporator bottom is communicated with triple effect evaporator top by pipeline, is provided with two effect circulating pumps between the two; Communicated with compensator by pipeline bottom triple effect evaporator, be provided with triple effect cycle pump between the two; Communicated with condensation water tank by pipeline bottom condenser, upper side is provided with vavuum pump, and condenser downside is communicated with triple effect evaporator downside by pipeline, is provided with triple effect separator between the two; Triple effect evaporator upper side is communicated with 2nd effect evaporator downside by pipeline, is provided with two effect separators between the two; 2nd effect evaporator upper side is communicated with 1st effective evaporator downside by pipeline, is provided with an effect separator between the two; Discharging pump is communicated with 1st effective evaporator, 2nd effect evaporator, triple effect evaporator respectively by pipeline.
Thermocompressor is provided with between described 1st effective evaporator and 2nd effect evaporator, the indirect steam recompression that 1st effective evaporator can be produced, makes its temperature and pressure increase, is re-used as the heat source of 2nd effect evaporator, thus reduce heat loss, reach energy-saving and cost-reducing object.
Described compensator is provided with cleaning shower nozzle, can control the flow of filter pulp, water, cleaning agent better, ensures that three's dosage reaches optimum state.
The utility model, a kind of triple effect downward film evaporator, this triple effect downward film evaporator filter pulp enters in 1st effective evaporator by feed pump from compensator, and filter pulp under gravity, is from top to bottom flowed along evaporation tube inwall shaped liquid film.While whole decline process, carry out thin film evaporation with evaporimeter outer wall heating steam generation heat exchange two.Filter pulp enters 2nd effect evaporator through circulating pump and carries out thin film evaporation, and other solvent is got rid of through discharging pump.Enter triple effect evaporator through the filter pulp of 2nd effect evaporator through circulating pump and carry out thin film evaporation, other solvent is got rid of through discharging pump.Filter pulp through triple effect evaporator enters compensator through circulating pump, and other solvent is got rid of through discharging pump.
A part of indirect steam of one effect and 2nd effect evaporator comes back to an effect and 2nd effect evaporator through thermocompressor, and heated material itself is condensed.A part of indirect steam enters the evaporimeter of next effect as heat source in addition.And the indirect steam of triple effect evaporator, enter condenser, major part is used for preheating material.Small part is only had to be cooled water condensation.Like this, the indirect steam of each single-effect evaporator is all condensed into condensed water, enters in condensation water tank.
A kind of triple effect downward film evaporator of the utility model, its beneficial effect is:
1) this triple effect downward film evaporator adopts multiple-effect evaporation, reaches energy-saving and cost-reducing object by the number of times that utilizes improving steam;
2) evaporation process of this triple effect downward film evaporator is carried out under vacuum, both ensure that the hygienic requirements of material, in turn ensure that environmental requirement, greatly reduced evaporating temperature simultaneously;
3) this triple effect downward film evaporator is due to material film-like evaporation in every root pipe, and the heating material time is very short, highly beneficial to food evaporation and concentration especially, the larger nutritional labeling saving food;
4) the whole heating system of this triple effect downward film evaporator is because Steam Heating is even, feed liquid is liquid film type flow evaporation, so have the advantages that heat transfer efficiency is high, the heat time is short.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of a kind of triple effect downward film evaporator of the utility model.
In figure, 1,1st effective evaporator, 2,2nd effect evaporator, 3, triple effect evaporator, 4, one effect circulating pump, 5, one effect separator, 6, two effect circulating pumps, 7, two effect separators, 8, triple effect cycle pump, 9, triple effect separator, 10, discharging pump, 11, condensation water tank, 12, feed pump, 13, compensator, 14, condenser, 15, vavuum pump, 16, thermocompressor, 17, cleaning shower nozzle.
Detailed description of the invention
Please refer to Fig. 1, this specific embodiment, described feed pump (12) is communicated with compensator (13) by pipeline one end, and the other end connects with 1st effective evaporator (1) top; 1st effective evaporator (1) bottom is communicated with 2nd effect evaporator (2) top by pipeline, is provided with an effect circulating pump (4) between the two; 2nd effect evaporator (2) bottom is communicated with triple effect evaporator (3) top by pipeline, is provided with two effect circulating pumps (6) between the two; Triple effect evaporator (3) bottom is communicated with compensator (13) by pipeline, is provided with triple effect cycle pump (8) between the two; Condenser (14) bottom is communicated with condensation water tank (11) by pipeline, and upper side is provided with vavuum pump (15), and condenser (14) downside is communicated with triple effect evaporator (3) downside by pipeline, is provided with triple effect separator (9) between the two; Triple effect evaporator (3) upper side is communicated with 2nd effect evaporator (2) downside by pipeline, is provided with two effect separators (7) between the two; 2nd effect evaporator (2) upper side is communicated with 1st effective evaporator (1) downside by pipeline, is provided with an effect separator (5) between the two; Discharging pump (10) is communicated with 1st effective evaporator (1), 2nd effect evaporator (2), triple effect evaporator (3) respectively by pipeline.
Please refer to Fig. 1, thermocompressor (16) is provided with between described 1st effective evaporator (1) and 2nd effect evaporator (2), the indirect steam recompression that 1st effective evaporator (1) can be produced, make its temperature and pressure increase, be re-used as the heat source of 2nd effect evaporator (2), thus reduce heat loss, reach energy-saving and cost-reducing object.
Please refer to Fig. 1, described compensator (13) is provided with cleaning shower nozzle (17), can control the flow of filter pulp, water, cleaning agent better, ensures that three's proportioning reaches optimum proportioning.
By reference to the accompanying drawings exemplary description is carried out to the utility model above; obvious realization of the present utility model is not subject to the restrictions described above; as long as have employed the various improvement that technical solutions of the utility model are carried out; or say that design of the present utility model and technical scheme are applied to other occasions, all in protection domain of the present utility model without improving.
Claims (3)
1. a triple effect downward film evaporator, is characterized in that: be made up of 1st effective evaporator, 2nd effect evaporator, triple effect evaporator, an effect circulating pump, an effect separator, two effect circulating pumps, two effect separators, triple effect cycle pump, triple effect separator, discharging pump, condensation water tank, feed pump, compensator, condenser, vavuum pump, thermocompressor, cleaning shower nozzle; Described feed pump is communicated with compensator by pipeline one end, and the other end connects with 1st effective evaporator top; 1st effective evaporator bottom is communicated with 2nd effect evaporator top by pipeline, is provided with an effect circulating pump between the two; 2nd effect evaporator bottom is communicated with triple effect evaporator top by pipeline, is provided with two effect circulating pumps between the two; Communicated with compensator by pipeline bottom triple effect evaporator, be provided with triple effect cycle pump between the two; Communicated with condensation water tank by pipeline bottom condenser, upper side is provided with vavuum pump, and condenser downside is communicated with triple effect evaporator downside by pipeline, is provided with triple effect separator between the two; Triple effect evaporator upper side is communicated with 2nd effect evaporator downside by pipeline, is provided with two effect separators between the two; 2nd effect evaporator upper side is communicated with 1st effective evaporator downside by pipeline, is provided with an effect separator between the two; Discharging pump is communicated with 1st effective evaporator, 2nd effect evaporator, triple effect evaporator respectively by pipeline.
2. a kind of triple effect downward film evaporator according to claim 1, is characterized in that: be provided with thermocompressor between described 1st effective evaporator and 2nd effect evaporator.
3. a kind of triple effect downward film evaporator according to claim 1, is characterized in that: described compensator is provided with cleaning shower nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654275.7U CN204932898U (en) | 2015-08-27 | 2015-08-27 | A kind of triple effect downward film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654275.7U CN204932898U (en) | 2015-08-27 | 2015-08-27 | A kind of triple effect downward film evaporator |
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| Publication Number | Publication Date |
|---|---|
| CN204932898U true CN204932898U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520654275.7U Expired - Fee Related CN204932898U (en) | 2015-08-27 | 2015-08-27 | A kind of triple effect downward film evaporator |
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| CN (1) | CN204932898U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597351A (en) * | 2016-03-15 | 2016-05-25 | 新疆美克化工股份有限公司 | Recycling device for high-boiling-point substances |
| CN105999749A (en) * | 2016-07-11 | 2016-10-12 | 浙江东成药业有限公司 | Three-effect falling-film evaporating equipment |
-
2015
- 2015-08-27 CN CN201520654275.7U patent/CN204932898U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597351A (en) * | 2016-03-15 | 2016-05-25 | 新疆美克化工股份有限公司 | Recycling device for high-boiling-point substances |
| CN105999749A (en) * | 2016-07-11 | 2016-10-12 | 浙江东成药业有限公司 | Three-effect falling-film evaporating equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20160827 |
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| CF01 | Termination of patent right due to non-payment of annual fee |