CN203315765U - Double-heater double-effect concentration system - Google Patents
Double-heater double-effect concentration system Download PDFInfo
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- CN203315765U CN203315765U CN201320403083XU CN201320403083U CN203315765U CN 203315765 U CN203315765 U CN 203315765U CN 201320403083X U CN201320403083X U CN 201320403083XU CN 201320403083 U CN201320403083 U CN 201320403083U CN 203315765 U CN203315765 U CN 203315765U
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Abstract
The utility model discloses a double-heater double-effect concentration system which comprises a first-effect evaporator. A first-effect forced circulation evaporation system is composed of the first-effect evaporator through a first-effect circulation pump and a first-effect heater. The double-heater double-effect concentration system further comprises a secondary-effect evaporator. One forced circulation evaporation system is composed of the secondary-effect evaporator through a first secondary-effect heater and a first secondary-effect circulation pump, and the other forced circulation evaporation system is composed of the secondary-effect evaporator through a second secondary-effect heater and a second secondary-effect circulation pump. The secondary-effect evaporator is shared by the first secondary-effect heater and the second secondary-effect heater. According to the double-heater double-effect concentration system, the double heaters are adopted, therefore, secondary steam is sufficiently used, energy consumption is reduced, and site discharging of the secondary steam is reduced.
Description
Technical field
The utility model relates to a kind of concentration systems, particularly double-heater two effect concentration systems.
Background technology
The much more concentrated forced-circulation evaporation concentration systems that adopt of existing MAP, by circulating pump make phosphor ammonium slurry between heater and evaporimeter circulating and evaporating to obtain SPA one ammonium product.The mode that adopts Multi-effect concentration is also arranged.The problem existed is, the indirect steam produced in an effect forced-circulation evaporation system fails to take full advantage of its heat, waste greatlyr, and the indirect steam of discharging affects larger for environment and the equipment of production scene.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of double-heater two effect concentration systems, can take full advantage of the heat in indirect steam, reduces the discharge of indirect steam, reduces energy consumption.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of double-heater two effect concentration systems, comprise 1st effective evaporator, 1st effective evaporator is by an effect circulating pump, one effect heater forms an effect forced-circulation evaporation system, one effect heater is communicated with primary steam pipe and return pipe, also be provided with 2nd effect evaporator, 2nd effect evaporator respectively with two effect primary heaters, two effect the first circulating pumps and two effect secondary heaters, two effect the second circulating pumps form two-way forced-circulation evaporation system, wherein two effect primary heaters and two effect secondary heaters share 2nd effect evaporator,
1st effective evaporator is communicated with two effect primary heaters and two effect secondary heaters by secondary steam pipe, and discharges through evacuated tube;
2nd effect evaporator is communicated with the slurry inlet pipe, and 2nd effect evaporator also is communicated with mixing condenser by the mixing condenser inlet pipe;
Be provided with charge tube and an effect forced-circulation evaporation system connectivity between two effect primary heaters and two effect the first circulating pumps, be communicated with the evaporation feeder trough by pipeline between two effect secondary heaters and two effect the second circulating pumps.
One effect heater and one is imitated between circulating pump and also is communicated with high-pressure pump by pipeline.
Charge tube is provided with punishment in advance pump and valve.
A kind of double-heater two effect concentration systems that the utility model provides, by in two effect forced-circulation evaporation concentration systems, adopting double-heater, and the indirect steam produced in 1st effective evaporator is incorporated in double-heater, two heaters share a 2nd effect evaporator, thereby take full advantage of indirect steam, reduce energy consumption, reduced the scene discharge of indirect steam.Adopt the utility model, concentrated effect is greatly improved, and produces and transforms front stablizing, and production capacity also is increased to 20t/h by original 15t/h; Steam consumption descends, and original production MAP per ton consumes steam 0.675t, and after employing the utility model, MAP per ton consumes steam 0.575t, and MAP consumption quantity of steam per ton reduces 0.1 ton; Improved the effective rate of utilization of indirect steam, on-the-spot indirect steam spill-out reduces, and workshop working environment and equipment operating environment have been had to larger improvement.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is overall structure schematic diagram of the present utility model.
In figure: effect heater 1, one an effect circulating pump 2,1st effective evaporator 3, secondary steam pipe 4,2nd effect evaporator 5, mixing condenser inlet pipe 6, two effect primary heater 7, two effect secondary heater 8, two effect the first circulating pumps 9, two effect the second circulating pumps 10, evacuated tube 11, charge tube 12, punishment in advance pump 13, primary steam pipe 14, return pipe 15.
The specific embodiment
In Fig. 1, a kind of double-heater two effect concentration systems, comprise 1st effective evaporator 3,1st effective evaporator 3 forms an effect forced-circulation evaporation system by an effect circulating pump 2, an effect heater 1, one effect heater 1 is communicated with primary steam pipe 14 and return pipe 15, also be provided with 2nd effect evaporator 5,2nd effect evaporator 5 forms two-way forced-circulation evaporation system with two effect primary heaters 7, two effect the first circulating pumps 9 and two effect secondary heaters 8, two effect the second circulating pumps 10 respectively, and wherein two effect primary heaters 7 and two effect secondary heaters 8 share 2nd effect evaporator 5;
1st effective evaporator 3 is communicated with two effect primary heaters 7 and two effect secondary heaters 8 by secondary steam pipe 4, and discharges through evacuated tube 11;
2nd effect evaporator 5 is communicated with the slurry inlet pipe, and 2nd effect evaporator 5 also is communicated with mixing condenser by mixing condenser inlet pipe 6;
Be provided with charge tube 12 and an effect forced-circulation evaporation system connectivity between two effect primary heaters 7 and two effect the first circulating pumps 9, be communicated with the evaporation feeder trough by pipeline between two effect secondary heaters 8 and two effect the second circulating pumps 10.In this example one effect heater 1 heat exchange area is 346m
2, the flow of an effect circulating pump 2 is 3200m
3/ h, lift is 12m.The heat exchange area of two effect primary heaters 7 and two effect secondary heaters 8 is respectively 244m
2And 250m
2, the flow of two effect the first circulating pumps 9 and two effect the second circulating pumps 10 is 2400m
3/ h, lift is 10m, intake header is DN800.By adopting two effect primary heaters 7 and two effect secondary heaters 8 to share the structure of a 2nd effect evaporator 5, take full advantage of the heat in indirect steam, improved production capacity, saved quantity of steam, because indirect steam heat exchange in two heaters is abundant, be generally liquid when evacuated tube is discharged, therefore reduced the impact on working environment and equipment operation.
One effect heater 1 and one is imitated between circulating pump 2 and also is communicated with high-pressure pump by pipeline.Structure, be convenient to discharging thus.
Preferably, charge tube 12 is provided with punishment in advance pump 13 and valve.Structure, be convenient to the production control flow process thus.
Adopt concrete production process of the present utility model as shown in fig. 1: the MAP slip enters into 2nd effect evaporator 5, and drive forced circulation by two effect the first circulating pumps 9 and two effect the second circulating pumps 10, the indirect steam of secondary steam pipe 4 passes into two effect primary heaters 7 and two effect secondary heater 8 heating slips, after being condensed, indirect steam after heat exchange discharges from evacuated tube 11, slip after heating is in the interior evaporation and concentration of 2nd effect evaporator 5, evaporation produces light after mixing condenser inlet pipe 6 is incorporated into condenser and carries out a step process.Preliminary concentrated slip is incorporated into an effect circulating pump 2 through charge tube 12, in an effect heater 1, by primary steam, again heated, primary steam after heat exchange is discharged by return pipe 15, slip after heating is evaporation and concentration in 1st effective evaporator 3, and the indirect steam produced in evaporation process passes into secondary steam pipe 4 for two effect circulation concentration systems heating.SPA one ammonium concentrated is delivered to it in spray tower and is dusted through high-pressure pump, produces finished product.
Claims (3)
1. a double-heater two is imitated concentration systems, comprise 1st effective evaporator (3), 1st effective evaporator (3) is by an effect circulating pump (2), one effect heater (1) forms an effect forced-circulation evaporation system, one effect heater (1) is communicated with primary steam pipe (14) and return pipe (15), it is characterized in that: also be provided with 2nd effect evaporator (5), 2nd effect evaporator (5) respectively with two effect primary heaters (7), two effect the first circulating pumps (9) and two effect secondary heaters (8), two effect the second circulating pumps (10) form two-way forced-circulation evaporation system, wherein two effect primary heaters (7) and two effect secondary heaters (8) share 2nd effect evaporator (5),
1st effective evaporator (3) is communicated with two effect primary heaters (7) and two effect secondary heaters (8) by secondary steam pipe (4), and discharges through evacuated tube (11);
2nd effect evaporator (5) is communicated with the slurry inlet pipe, and 2nd effect evaporator (5) also is communicated with mixing condenser by mixing condenser inlet pipe (6);
Be provided with charge tube (12) and an effect forced-circulation evaporation system connectivity between two effect primary heaters (7) and two effect the first circulating pumps (9), be communicated with the evaporation feeder trough by pipeline between two effect secondary heaters (8) and two effect the second circulating pumps (10).
2. a kind of double-heater two according to claim 1 is imitated concentration systems, it is characterized in that: also by pipeline, with high-pressure pump, be communicated with between an effect heater (1) and an effect circulating pump (2), by high-pressure pump, slip delivered in spray tower and dusted.
3. a kind of double-heater two according to claim 1 is imitated concentration systems, and it is characterized in that: charge tube (12) is provided with punishment in advance pump (13) and valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320403083XU CN203315765U (en) | 2013-07-08 | 2013-07-08 | Double-heater double-effect concentration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320403083XU CN203315765U (en) | 2013-07-08 | 2013-07-08 | Double-heater double-effect concentration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203315765U true CN203315765U (en) | 2013-12-04 |
Family
ID=49655167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320403083XU Expired - Fee Related CN203315765U (en) | 2013-07-08 | 2013-07-08 | Double-heater double-effect concentration system |
Country Status (1)
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| CN (1) | CN203315765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354517A (en) * | 2019-06-19 | 2019-10-22 | 常熟美特钙业有限公司 | A kind of double-effect evaporation production technology of high concentration precipitated calcium carbonate |
-
2013
- 2013-07-08 CN CN201320403083XU patent/CN203315765U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354517A (en) * | 2019-06-19 | 2019-10-22 | 常熟美特钙业有限公司 | A kind of double-effect evaporation production technology of high concentration precipitated calcium carbonate |
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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: 20131204 Termination date: 20150708 |
|
| EXPY | Termination of patent right or utility model |