CN207816022U - The final stage condensing unit of multistage evaporation system - Google Patents
The final stage condensing unit of multistage evaporation system Download PDFInfo
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- CN207816022U CN207816022U CN201820022340.8U CN201820022340U CN207816022U CN 207816022 U CN207816022 U CN 207816022U CN 201820022340 U CN201820022340 U CN 201820022340U CN 207816022 U CN207816022 U CN 207816022U
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Abstract
The utility model discloses a kind of final stage condensing unit of multistage evaporation system, including final stage jet chimney, the final stage jet chimney is connect with tubular heat exchanger, steam-water separator successively by pipeline, the tubular heat exchanger is connect with a cooling tower, the steam-water separator is connected with vacuum pump and its bottom end is connect with a water tank, the water tank is connect by pipeline with cooling tower, the cooling tower is connect by pipeline with final stage jet chimney, and an infusion pump is equipped between the cooling tower and water tank.This condensing unit is on original architecture basics, it is connected with pipeline between final stage steam pipe and cooling tower, final stage steam is set to be mixed with cold water, the temperature of steam is substantially reduced, then is exchanged heat by tubular heat exchanger, heat exchange efficiency is effectively increased, also the heat of final stage steam whole is almost taken away, an infusion pump is added also between water tank and cooling tower, is conducive to the vacuum degree for improving multistage evaporation system, is substantially increased evaporation effect.
Description
Technical field
The utility model is related to a kind of evaporation equipments, and in particular to a kind of final stage condensing unit of multistage evaporation system.
Background technology
Multistage evaporation is generally wanted in Nacl production procedure, and multistage evaporation mainly realizes multistage using vacuum degree difference
Evaporation.Existing multistage evaporation there are mainly of two types equipment：First, MVR evaporators, but its structure is complex, cost also compared with
It is high；Second is that condensation by mixing technology, although this type equipment is relatively more and simple in structure, for setting for condensation 3~5T/h steam
Standby, cost is also 500,000 or so.Two kinds of equipment cost is all higher, and maintenance cost and running cost are also very high.
Currently, the final stage condensing unit of multistage evaporation system, structure is general as shown in Fig. 2, including final stage jet chimney, institute
It states final stage jet chimney to connect with tubular heat exchanger, steam-water separator successively by pipeline, the tubular heat exchanger and a cold water
Tower connection realize heat exchange, the steam-water separator is connected with vacuum pump and its bottom end is connect with a water tank, the water tank and
Cooling tower connects, and the condensing unit of this spline structure has the following defects：Final stage steam does not carry out heat exchange cooling first, just directly into
Enter tubular heat exchanger, depends merely on tubular heat exchanger and realize heat exchange condensation, it is difficult to meet permanent heat transfer requirements, and tubular heat exchanger makes
After a period of time, it is easy fouling on tubulation, reduces heat exchange efficiency, to which the heat of final stage steam all can not be taken away, shadow
Ring the evaporation effect of multistage evaporation system；In addition, the condensed water separated from steam-water separator is directly flowed back by pipeline
To cooling tower, condensed water is in reflux course, it is possible to create air, and then the vacuum degree of this multistage evaporation system is influenced, into
One step reduces evaporation effect.
Utility model content
In view of the deficienciess of the prior art, the utility model provides a kind of final stage condensing unit of multistage evaporation system,
This condensing unit is connected between final stage steam pipe and cooling tower with pipeline on original architecture basics, make final stage steam with it is cool
Water mixes, and substantially reduces the temperature of steam, then exchange heat by tubular heat exchanger, effectively increases heat exchange efficiency, also almost take away
The heat of final stage steam whole adds an infusion pump also between water tank and cooling tower, is conducive to improve multistage evaporation system
The vacuum degree of system, substantially increases evaporation effect.
In order to achieve the above object, the technical solution that the utility model is taken：
The final stage condensing unit of multistage evaporation system, including final stage jet chimney, the final stage jet chimney pass through pipeline
It is connect successively with tubular heat exchanger, steam-water separator, the tubular heat exchanger is connect with a cooling tower, and the steam-water separator connects
It is connected to vacuum pump and its bottom end is connect with a water tank, the water tank is connect by pipeline with cooling tower, and the cooling tower is logical
Piping is connect with final stage jet chimney, and an infusion pump is equipped between the cooling tower and water tank.
As optimal technical scheme, in order to ensure that final stage steam and cold water are sufficiently mixed, the temperature of steam is dropped as far as possible
It is low, be conducive to improve heat exchange efficiency, and then improve evaporation effect, the final stage jet chimney inwardly opens up aperture and cooling tower phase
Logical, realization cold water injection is mixed with steam.
As optimal technical scheme, adjusting condensate return, as far as possible will be all cold to the flow velocity of cooling tower for convenience
Condensate flows back, and is conducive to the vacuum degree for improving multistage evaporation system, further increases evaporation effect, and the infusion pump uses frequency conversion
It adjusts.
Compared with prior art, the utility model has the advantage that：
1, this condensing unit is connected with pipeline between final stage steam pipe and cooling tower on original architecture basics, makes end
Grade steam is mixed with cold water, is substantially reduced the temperature of steam, then exchange heat by tubular heat exchanger, is effectively increased heat exchange efficiency,
Also the heat for almost taking away final stage steam whole adds an infusion pump also between water tank and cooling tower, is conducive to improve
The vacuum degree of multistage evaporation system, substantially increases evaporation effect.
2, final stage jet chimney to being communicated with cooling tower by way of open interior, ensure that final stage steam is fully mixed with cold water
It closes, as far as possible reduces the temperature of steam, be conducive to improve heat exchange efficiency, and then improve evaporation effect.
3, infusion pump uses variable frequency adjustment, facilitates adjusting condensate return to the flow velocity of cooling tower, as far as possible will be all cold
Condensate flows back, and is conducive to the vacuum degree for improving multistage evaporation system, further increases evaporation effect.
Description of the drawings
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of existing final stage condensing unit；
Drawing reference numeral：1, final stage jet chimney, 2, tubular heat exchanger, 3, steam-water separator, 4, cooling tower, 5, vacuum pump,
6, water tank, 7, infusion pump.
Specific implementation mode
A kind of specific embodiment of the utility model, the final stage condensing unit of multistage evaporation system, with figure are proposed as shown in Figure 1
2 structures are identical to be：Including final stage jet chimney 1, the final stage jet chimney 1 by pipeline successively with tubular heat exchanger 2, vapour
Separator 3 connects, and the tubular heat exchanger 2 is connect with a cooling tower 4, then the cold water in cooling tower 4 enters tubular heat exchanger 2
Interior, the cold water after exchanging heat with hot steam becomes hot water, then is flowed back into cooling tower 4 by pipeline, and the steam-water separator 3 connects
There is vacuum pump 5 and its bottom end is connect with a water tank 6, the water tank 6 is connect by pipeline with cooling tower 4, different
It is：The cooling tower 4 is connect by pipeline with final stage jet chimney 1, and an infusion is equipped between the cooling tower 4 and water tank 1
Pump 7.
The final stage jet chimney 1 inwardly opens up aperture and is communicated with cooling tower 4, realizes that cold water injection is mixed with steam, cool
Water injection is mixed in steam, and contact area is big, is ensured that final stage steam is sufficiently mixed with cold water, is as far as possible dropped the temperature of steam
It is low, be conducive to improve heat exchange efficiency, and then improve evaporation effect.
The infusion pump 7 uses variable frequency adjustment, facilitates and adjusts condensate return to the flow velocity of cooling tower 4, as far as possible by institute
There is condensate return, is conducive to the vacuum degree for improving multistage evaporation system, further increases evaporation effect.
When the utility model is used：The cold water in cooling tower 4 is transported in final stage jet chimney 1 and shell and tube by pump
In heat exchanger 2, cold water is mixed with spray regime from bottom to top with steam, is that the temperature of steam drastically reduces, after cold water heat absorption
Into in steam-water separator 3, condensable gas makes to form vacuum by 5 condensing recovery of vacuum pump, and most of condensed water is made in gravity
Entered in water tank 6 with lower, then flowed back into cooling tower 4 by the conveying of infusion pump 7, improves the vacuum degree of system, multistage evaporation system
The evaporation effect of system is good.
Certainly, only the utility model preferred embodiment is described in detail in conjunction with attached drawing above, not
The scope of the utility model is limited with this, it is all according to equivalence changes made by the principles of the present invention, construction and structure,
It should all be covered by the scope of protection of the utility model.
Claims (3)
1. the final stage condensing unit of multistage evaporation system, including final stage jet chimney (1), the final stage jet chimney (1) passes through
Pipeline is connect with tubular heat exchanger (2), steam-water separator (3) successively, and the tubular heat exchanger (2) connect with a cooling tower (4),
The steam-water separator (3) is connected with vacuum pump (5) and its bottom end is connect with a water tank (6), and the water tank (6) passes through
Pipeline is connect with cooling tower (4), it is characterised in that：The cooling tower (4) is connect by pipeline with final stage jet chimney (1), institute
It states and is equipped with an infusion pump (7) between cooling tower (4) and water tank (6).
2. the final stage condensing unit of multistage evaporation system according to claim 1, it is characterised in that：The final stage steam pipe
Road (1) inwardly opens up aperture and is communicated with cooling tower (4), realizes that cold water injection is mixed with steam.
3. the final stage condensing unit of multistage evaporation system according to claim 1 or 2, it is characterised in that：The infusion pump
(7) variable frequency adjustment is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820022340.8U CN207816022U (en) | 2018-01-05 | 2018-01-05 | The final stage condensing unit of multistage evaporation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820022340.8U CN207816022U (en) | 2018-01-05 | 2018-01-05 | The final stage condensing unit of multistage evaporation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207816022U true CN207816022U (en) | 2018-09-04 |
Family
ID=63326234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820022340.8U Active CN207816022U (en) | 2018-01-05 | 2018-01-05 | The final stage condensing unit of multistage evaporation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207816022U (en) |
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2018
- 2018-01-05 CN CN201820022340.8U patent/CN207816022U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 535000 Real Madrid Industrial Park, Daya Town, Qinbei District, Qinzhou City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi esokai Recycling Technology Co., Ltd Address before: 535000 Real Madrid Industrial Park, Daya Town, Qinbei District, Qinzhou City, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI ISKY BIOTECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |