CN211705932U - Multiple-effect evaporation device - Google Patents
Multiple-effect evaporation device Download PDFInfo
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- CN211705932U CN211705932U CN202020139793.6U CN202020139793U CN211705932U CN 211705932 U CN211705932 U CN 211705932U CN 202020139793 U CN202020139793 U CN 202020139793U CN 211705932 U CN211705932 U CN 211705932U
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Abstract
The utility model discloses a multiple effect evaporation device, including one effect evaporimeter, two effect evaporimeter and condensing equipment, the discharge gate of one effect evaporimeter passes through the feed inlet intercommunication of pipeline and two effect evaporation, the steam outlet of one effect evaporation passes through the heating steam import intercommunication of pipeline and two effect evaporimeters, the heating steam export of one effect evaporimeter passes through the heating steam import intercommunication of pipeline and two effect evaporimeters, is equipped with the condensate water separation pipeline on this pipeline, the vertical downwards of play water end of condensate water separation pipeline. The utility model discloses a heating steam outlet with one-effect evaporator passes through the heating steam import intercommunication of pipeline with two-effect evaporator, and is equipped with the condensate water separation pipeline on this pipeline, can let in two-effect evaporator through the partial steam that one-effect evaporator was not fully utilized, has improved the steam utilization ratio, and is equipped with the condensate water separation pipeline on this pipeline, can go out condensate water separation, avoids the comdenstion water to get into in two-effect evaporator.
Description
Technical Field
The utility model relates to a waste water treatment technical field specifically is a multiple-effect evaporation plant.
Background
The heavy high salt is used for achieving the purpose of water reuse and zero discharge in waste liquid, and an evaporation process is used as a core process for treating the waste water. In the evaporation production, the secondary steam has a large yield and contains a large amount of latent heat, so the secondary steam is recycled, if the secondary steam is introduced into a heating chamber of another evaporator, the introduced secondary steam still can play a heating role as long as the operating pressure and the solution boiling point of the latter are lower than those of the original evaporator, and the operation mode is multi-effect evaporation. The evaporator to which the heating steam is introduced is called the first effect, the evaporator using the secondary steam of the first effect as the heating agent is called the second effect, and so on. The purpose of using a multi-effect evaporator is to save the consumption of heating steam. However, the raw steam used by the one-effect evaporator has part of steam which is not fully utilized after passing through the one-effect evaporator, and the part of steam is usually directly discharged along with condensed water, thereby wasting energy.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model provides a multiple-effect evaporation device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a multiple-effect evaporation device, includes one effect evaporimeter, two effect evaporimeters, vacuum pump and condensing equipment, one effect evaporimeter top is equipped with steam outlet, and one effect evaporimeter bottom is equipped with the discharge gate, one effect evaporimeter upper portion is the evaporating chamber, and one effect evaporimeter lower part is the heating chamber, be equipped with the feed inlet on one effect evaporimeter upper portion, one effect evaporimeter lower part is equipped with heating steam inlet and heating steam outlet, two effect evaporimeter with one effect evaporimeter has the same structure, the discharge gate of one effect evaporimeter passes through the pipeline and feeds through with the feed inlet of two effect evaporation, the steam outlet of one effect evaporation passes through the pipeline and feeds through with the heating steam inlet of two effect evaporimeters, is equipped with the comdenstion water separation pipeline on this pipeline, the water outlet end of the condensed water separation pipeline is vertically downward, a closed valve is arranged on the condensed water separation pipeline, a steam outlet of the double-effect evaporator is communicated with a steam inlet of a condensing device through a pipeline, and the top end of the condensing device is connected with a vacuum pump through a pipeline.
Furthermore, the condensed water separation pipeline comprises a Y-shaped separator, the upper end of the Y-shaped separator is provided with an inlet and an air outlet, the lower end of the Y-shaped separator is provided with a water outlet, the lower end of the Y-shaped separator is vertically downward, a feed inlet of the Y-shaped separator is communicated with a heating steam outlet of the first-effect evaporator through a pipeline, an air outlet of the Y-shaped separator is communicated with a heating steam inlet of the second-effect evaporator through a pipeline, the water outlet of the Y-shaped separator is connected with a pipeline, and the pipeline is provided with a closed valve.
Furthermore, the condensate water separation pipeline also comprises a condensate water temporary storage tank, and a water inlet of the condensate water temporary storage tank is connected with a water outlet of the Y-shaped separator.
Furthermore, an observation window is arranged on the condensate temporary storage tank.
Furthermore, the lower part of the interior of the first-effect evaporator is provided with an annular heat exchanger, and a heating chamber is formed in the annular interior of the annular heat exchanger.
Further, the multiple-effect evaporation device still includes triple effect separator, triple effect separator's structure is the same with a single effect separator, the discharge gate of double-effect evaporator passes through the feed inlet intercommunication of pipeline and triple-effect evaporator, is equipped with the material pump on this pipeline, the steam outlet of double-effect evaporator passes through the heating steam inlet intercommunication of pipeline and triple-effect evaporator, and the heating steam outlet of double-effect evaporator passes through the heating steam inlet intercommunication of pipeline and triple-effect evaporator, is equipped with the condensate water separation pipeline on this pipeline, the vertical downwards in outlet end of condensate water separation pipeline, is equipped with airtight valve on this pipeline, the steam outlet of triple-effect evaporator passes through the steam inlet intercommunication of pipeline and condensing equipment.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a heating steam outlet of one-effect evaporator passes through the heating steam import intercommunication of pipeline and two-effect evaporator, is equipped with the condensate water separation pipeline on this pipeline. The heating steam outlet of the first-effect evaporator is communicated with the heating steam inlet of the second-effect evaporator through the pipeline, partial steam which is not completely utilized by the first-effect evaporator can be introduced into the second-effect evaporator, the steam utilization rate is improved, the energy is saved, a condensate water separation pipeline is arranged on the pipeline, condensate water can be separated out, and the condensate water is prevented from entering the second-effect evaporator.
Drawings
FIG. 1 is a schematic view of example 1;
FIG. 2 is a view showing the internal structure of a one-effect evaporator and a two-effect evaporator according to example 1;
FIG. 3 is a schematic view of example 2;
in the figure, 1-one-effect evaporator, 101-steam outlet I, 102-discharge port I, 103-feed port I, 104 heating steam inlet I, 105-heating steam outlet I, 106-annular heat exchanger I, 2-two-effect evaporator, 201-steam outlet II, 202-discharge port II, 203-feed port II, 204-heating steam inlet II, 205-heating steam outlet II, 206-annular heat exchanger II, 3-vacuum pump, 4-condensing unit, 5-pump I, 6-Y-shaped separator, 7-condensate temporary storage tank, 8-sealing valve, 9-collection tank, 10-three-effect evaporator, 1001-steam outlet III, 1002-discharge port III, 1003-feed port III, 1004-heating steam inlet III, 1005-heating steam outlet III.
Detailed Description
In order to clearly understand the technical features, objects and effects of the present invention, the detailed embodiments of the present invention will be described with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 and 2, the multiple-effect evaporation device comprises a first-effect evaporator 1, a second-effect evaporator 2, a vacuum pump 3 and a condensing device 4, wherein a steam outlet i 101 is formed in the top end of the first-effect evaporator 1, a discharge outlet i 102 is formed in the bottom end of the first-effect evaporator 1, an evaporation chamber is formed in the upper portion of the interior of the first-effect evaporator 1, an annular heat exchanger i 106 is arranged in the lower portion of the interior of the first-effect evaporator 1, a heating chamber is formed in the annular interior of the annular heat exchanger i 106, a feed inlet i 103 is formed in the upper portion of the first-effect evaporator 1, and a heating steam inlet i 104 and; the top end of the second-effect evaporator 2 is provided with a steam outlet II 201, the bottom end of the second-effect evaporator 2 is provided with a discharge outlet II 202, the upper part of the second-effect evaporator 2 is an evaporation chamber, the lower part inside the second-effect evaporator 2 is provided with an annular heat exchanger II 206, a heating chamber is formed inside the annular heat exchanger II 206, the upper part of the second-effect evaporator 2 is provided with a feed inlet II 203, and the lower part of the second-effect evaporator 2 is provided with a heating steam inlet II 204 and a heating steam outlet II 205; the discharge port I102 of the first-effect evaporator 1 is communicated with the feed port II 203 of the second-effect evaporator 2 through a pipeline, a material pump I5 is arranged on the pipeline, a steam outlet I101 of the first-effect evaporator 1 is communicated with a heating steam inlet II 204 of the second-effect evaporator 2 through a pipeline, a heating steam outlet I105 of the first-effect evaporator 1 is communicated with the heating steam inlet II 204 of the second-effect evaporator 2 through a pipeline, a condensate water separation pipeline is arranged on the pipeline and comprises a Y-shaped separator 6 and a condensate water temporary storage box 7, the upper end of the Y-shaped separator 6 is provided with an inlet and an air outlet, the lower end of the Y-shaped separator 6 is provided with a water outlet, the inlet of the Y-shaped separator 6 is communicated with the heating steam outlet I105 of the first-effect evaporator 1 through a pipeline, the air outlet of the Y-shaped separator 6 is communicated with the heating steam inlet II 204 of the, the lower extreme delivery port of "Y" font separator 6 is vertical downwards, "the water inlet of comdenstion water temporary storage case 7 is connected to the delivery port lower extreme of Y" font separator 6, and the delivery port of comdenstion water temporary storage case 7 is equipped with airtight valve 8, II 201 of steam outlet of two effect evaporator 2 communicate through the steam inlet of pipeline with condensing equipment 4, condensing equipment 4 top is passed through the pipeline and is linked to each other with vacuum pump 3, and vacuum pump 3 is to the inside negative pressure that takes out of whole multiple effect evaporation plant, and condensing equipment 4 liquid outlet passes through pipe connection collection tank 9.
The working process of the embodiment: before use, the discharge port II 202 and a valve at the outlet at the lower end of the collecting tank 9 are closed, so that the interiors of the first-effect evaporator, the second-effect evaporator and the condensing device are in a closed state, the vacuum pump 3 is started, and the interior of the whole device is in a negative pressure state; closing the sealed valve 8;
the generated steam enters the heat exchanger I106 from the heating steam inlet I104, the steam after heat exchange comes out from the heating steam outlet I105, the generated steam is partially liquefied into water through heat exchange, the liquefied water flows into the condensate temporary storage tank 7 through the Y-shaped separator 6, the steam which is not liquefied into water has a utilization value, and the partial steam enters the heat exchanger II 206 through the heating steam inlet II 204 because the closed valve 8 is in a closed state; high-salt wastewater to be treated enters the first-effect evaporator 1 from the feed inlet I103, is heated in the heating chamber, and because the whole device is in a negative pressure state, the boiling point of water is reduced, so that the water of the high-salt wastewater to be treated is partially evaporated, evaporated steam rises to the evaporation chamber and sequentially enters the heat exchanger II 206 through the steam outlet I101 and the heating steam inlet II 204, the rest high-salt wastewater flows out from the discharge outlet I102 and enters the second-effect evaporator 2 from the feed inlet II 203 under the action of the pump I5, so far, two parts of steam heat the high-salt wastewater, namely the steam from the first-effect evaporator and the part of steam which is not fully utilized by the steam are greatly evaporated into steam under the action of the second-effect evaporator 2, the steam enters the condensing device from the steam outlet II 201, finally condensed water flows into the collecting tank 9, and after the evaporation is finished, and (4) emptying the vacuum valve, opening a valve at the discharge port II 202, and discharging the high-salt solid waste from the discharge port II 202. The utility model discloses the partial steam reuse who does not utilize completely with the live steam has improved the utilization ratio of steam, has practiced thrift the energy.
Preferably, an observation window is arranged on the condensate temporary storage tank 7. The condition of the condensed water in the condensed water temporary storage tank 7 is observed through the observation window, a floater can be arranged in the condensed water temporary storage tank 7, the amount of the condensed water in the condensed water temporary storage tank 7 is judged through the floater, and the condensed water is discharged in due time.
Example 2
As shown in fig. 3, the multiple-effect evaporation device comprises a first-effect evaporator 1, a second-effect evaporator 2, a third-effect evaporator 10, a vacuum pump 3 and a condensing device 4, wherein a steam outlet I101 is formed in the top end of the first-effect evaporator 1, a discharge outlet I102 is formed in the bottom end of the first-effect evaporator 1, an evaporation chamber is formed in the upper portion of the interior of the first-effect evaporator 1, an annular heat exchanger I is arranged in the lower portion of the interior of the first-effect evaporator 1, a heating chamber is formed in the annular interior of the annular heat exchanger I106, a feed inlet I103 is formed in the upper portion of the first-effect evaporator 1, and a heating steam inlet; the top end of the second-effect evaporator 2 is provided with a steam outlet II 201, the bottom end of the second-effect evaporator 2 is provided with a discharge outlet II 202, the upper part of the second-effect evaporator 2 is an evaporation chamber, the lower part inside the second-effect evaporator 2 is provided with an annular heat exchanger II, a heating chamber is formed inside the annular heat exchanger II 206, the upper part of the second-effect evaporator 2 is provided with a feed inlet II 203, and the lower part of the second-effect evaporator 2 is provided with a heating steam inlet II 204 and a heating steam outlet II 205; the top end of the triple-effect evaporator 10 is provided with a steam outlet III 1001, the bottom end of the triple-effect evaporator 10 is provided with a discharge outlet III 1002, the upper part of the triple-effect evaporator 10 is an evaporation chamber, the lower part inside the triple-effect evaporator 10 is provided with an annular heat exchanger III, a heating chamber is formed inside the annular heat exchanger III, the upper part of the triple-effect evaporator 10 is provided with a feed inlet III 1003, and the lower part of the triple-effect evaporator 10 is provided with a heating steam inlet III 1004 and a heating steam outlet III 1005; the discharge port I102 of the first-effect evaporator 1 is communicated with the feed port II 203 of the second-effect evaporator 2 through a pipeline, a material pump I5 is arranged on the pipeline, a steam outlet I101 of the first-effect evaporator 1 is communicated with a heating steam inlet II 204 of the second-effect evaporator 2 through a pipeline, a heating steam outlet I105 of the first-effect evaporator 1 is communicated with the heating steam inlet II 204 of the second-effect evaporator 2 through a pipeline, a condensate water separation pipeline is arranged on the pipeline and comprises a Y-shaped separator 6 and a condensate water temporary storage box 7, the upper end of the Y-shaped separator 6 is provided with an inlet and an air outlet, the lower end of the Y-shaped separator 6 is provided with a water outlet, the inlet of the Y-shaped separator 6 is communicated with the heating steam outlet I105 of the first-effect evaporator 1 through a pipeline, the air outlet of the Y-shaped separator 6 is communicated with the heating steam inlet II 204 of the, the lower end of the Y-shaped separator 6 is vertically downward, the lower end of the water outlet of the Y-shaped separator 6 is connected with the water inlet of the condensate temporary storage tank 7, and the water outlet of the condensate temporary storage tank 7 is provided with a closed valve 8;
the discharge port II 202 of the second-effect evaporator 2 is communicated with the feed port III 1003 of the third-effect evaporator 10 through a pipeline, a material pump II is arranged on the pipeline, the steam outlet II 201 of the second-effect evaporator 2 is communicated with the heating steam inlet III 1004 through a pipeline, the heating steam outlet II 205 is communicated with the heating steam inlet III 1004 through a pipeline, a condensate water separation pipeline is arranged on the pipeline and comprises a Y-shaped separator and a condensate water temporary storage box, the inlet of the Y-shaped separator is communicated with the heating steam outlet II 205 through a pipeline, the air outlet of the Y-shaped separator is communicated with the heating steam inlet III 1004 of the third-effect evaporator 10 through a pipeline, the lower end of the Y-shaped separator is vertically downward, the lower end of the water outlet of the Y-shaped separator is connected with the water inlet of the condensate water temporary storage box, and the water outlet of the condensate water temporary storage box is provided with a, the steam outlet III 1001 of triple effect evaporimeter 10 passes through the pipeline and communicates with condensing equipment 4's steam inlet, condensing equipment 4 top is passed through the pipeline and is linked to each other with vacuum pump 3, and vacuum pump 3 takes out the negative pressure to whole multiple-effect evaporation plant is inside, and condensing equipment 4 liquid outlet passes through pipe connection collection tank 9.
In the embodiment, an evaporator is additionally arranged, and when the material discharged from a discharge port II 202 of the double-effect evaporator 2 still contains more water, the triple-effect evaporator can be further adopted for evaporation.
The above is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereby, and therefore, the present invention is intended to cover all modifications and equivalents of the claims and the scope of the present invention.
Claims (6)
1. The utility model provides a multiple-effect evaporation device, its characterized in that includes one effect evaporimeter, two effect evaporimeters and condensing equipment, one effect evaporimeter top is equipped with steam outlet, and one effect evaporimeter bottom is equipped with the discharge gate, one effect evaporimeter upper portion is the evaporating chamber, and one effect evaporimeter lower part is the heating chamber, be equipped with the feed inlet on one effect evaporimeter upper portion, one effect evaporimeter lower part is equipped with heating steam inlet and heating steam outlet, two effect evaporimeters with one effect evaporimeter has the same structure, the discharge gate of one effect evaporimeter passes through the pipeline and the feed inlet intercommunication of two effect evaporation, the steam outlet of one effect evaporation passes through the pipeline and the heating steam inlet intercommunication of two effect evaporimeters, the heating steam outlet of one effect evaporimeter passes through the pipeline and the heating steam inlet intercommunication of two effect evaporimeters, is equipped with the comdenstion water separation pipeline on this, the water outlet end of the condensed water separation pipeline is vertically downward, a closed valve is arranged on the condensed water separation pipeline, and a steam outlet of the double-effect evaporator is communicated with a steam inlet of the condensing device through a pipeline.
2. The multiple-effect evaporation device as claimed in claim 1, wherein the condensed water separation pipeline comprises a Y-shaped separator, the upper end of the Y-shaped separator is provided with an inlet and an outlet, the lower end of the Y-shaped separator is provided with a water outlet, the lower end of the Y-shaped separator is vertically downward, a feed inlet of the Y-shaped separator is communicated with the heating steam outlet of the first-effect evaporator through a pipeline, the air outlet of the Y-shaped separator is communicated with the heating steam inlet of the second-effect evaporator through a pipeline, the water outlet of the Y-shaped separator is connected with a pipeline, and a sealing valve is arranged on the pipeline.
3. The multi-effect evaporation device of claim 2, wherein the condensate separation line further comprises a condensate temporary storage tank, and the water inlet of the condensate temporary storage tank is connected with the water outlet of the Y-shaped separator.
4. The multi-effect evaporation device as claimed in claim 3, wherein the condensate holding tank is provided with an observation window.
5. The multiple effect evaporation device of claim 1, wherein the lower portion of the interior of the single effect evaporator is provided with an annular heat exchanger, and the annular interior of the annular heat exchanger forms a heating chamber.
6. The multiple-effect evaporation device according to any one of claims 1 to 5, further comprising a triple-effect separator, wherein the triple-effect separator has the same structure as the first-effect separator, a discharge port of the second-effect evaporator is communicated with a feed port of the third-effect evaporator through a pipeline, a material pump is arranged on the pipeline, a steam outlet of the second-effect evaporator is communicated with a heating steam inlet of the third-effect evaporator through a pipeline, a heating steam outlet of the second-effect evaporator is communicated with a heating steam inlet of the third-effect evaporator through a pipeline, a condensed water separation pipeline is arranged on the pipeline, a water outlet end of the condensed water separation pipeline is vertically downward, a closed valve is arranged on the pipeline, and a steam outlet of the third-effect evaporator is communicated with a steam inlet of the condensing device through a pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020139793.6U CN211705932U (en) | 2020-01-21 | 2020-01-21 | Multiple-effect evaporation device |
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| CN202020139793.6U CN211705932U (en) | 2020-01-21 | 2020-01-21 | Multiple-effect evaporation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116212420A (en) * | 2022-12-28 | 2023-06-06 | 扬州永锋工业设备安装有限公司 | Multi-effect evaporator for steam cycle use |
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2020
- 2020-01-21 CN CN202020139793.6U patent/CN211705932U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116212420A (en) * | 2022-12-28 | 2023-06-06 | 扬州永锋工业设备安装有限公司 | Multi-effect evaporator for steam cycle use |
| CN116212420B (en) * | 2022-12-28 | 2023-10-20 | 扬州永锋工业设备安装有限公司 | Multi-effect evaporator for steam cycle use |
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