CN208877938U - A kind of multiple-effect evaporation concentration systems - Google Patents
A kind of multiple-effect evaporation concentration systems Download PDFInfo
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- CN208877938U CN208877938U CN201821593252.XU CN201821593252U CN208877938U CN 208877938 U CN208877938 U CN 208877938U CN 201821593252 U CN201821593252 U CN 201821593252U CN 208877938 U CN208877938 U CN 208877938U
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Abstract
The utility model embodiment provides a kind of multiple-effect evaporation concentration systems, is related to evaporation concentration technique field, to solve the low technical problem of capacity usage ratio；The effect steam-water separator that the multiple-effect evaporation concentration systems of the present embodiment include: 1st effective evaporator, connect with 1st effective evaporator；2nd effect evaporator, two connect with 2nd effect evaporator imitate steam-water separator；Wherein, multiple-effect evaporation concentration systems further include: the first injector and the second injector；Wherein, the first ejecting port of the first injector is docked with the steam (vapor) outlet of an effect steam-water separator, and the first outlet of the first injector is docked with the steam inlet of 1st effective evaporator, and the first draining hole of the first injector is docked with the second entrance of the second injector；Second ejecting port of the second injector is docked with the steam (vapor) outlet of two effect steam-water separators；Quantity and position of the multiple-effect evaporation concentration systems of the utility model embodiment by reasonable disposition injector, so that the consumption to the energy is reduced, to improve the utilization efficiency of the energy.
Description
Technical field
The utility model relates to evaporation concentration technique field more particularly to a kind of multiple-effect evaporation concentration systems.
Background technique
Evaporation and concentration is very typical chemical process in industrial production, be widely used in chemical industry, light industry, food, pharmacy,
In the industrial productions such as sea water desalination, sewage treatment；In the industrial production, the material for needing to be evaporated concentration becomes material liquid (water
Solution), heat source is usually used as by saturated vapor (raw steam), " secondary steam " being evaporated from material liquid by
, poor quality low in pressure is unfavorable for conveying, and substantially less than with gas bar part, therefore, this part " secondary steam " would generally be direct
It is emitted into atmospheric environment perhaps cooled system condensing or uses in some low-pressure steam equipment, be easy to cause environment
The waste of pollution and the energy.
In the prior art, it is concentrated by evaporation and is broadly divided into three kinds of techniques: traditional multiple-effect evaporation (Multiple Effect
Evaporator, abbreviation MEE), thermodynamic steam recompression (Thermal Vapor Re-compression, abbreviation TVR) and machine
Tool vapor recompression (Mechanical Vapor Re-compression, abbreviation MVR).
Wherein, traditional multiple-effect evaporation process requirement external heat source provides heat material liquid, and effect evaporation generates before making
Secondary steam be used as next effect heat source, then with the devices such as cooling tower produce cooling water come cool down end effect evaporation it is secondary
Steam, and thermodynamic steam recompression is one jet pump of increase in traditional multi-effect evaporation system, uses part external heat source
Come caused by the evaporation of injection material liquid " secondary steam ", by the heat after " secondary steam " increasing temperature and pressure as material liquid heating
Source；In the process, using the secondary steam of the direct injection end effect of jet pump, still, induction efficiency is lower, can only achieve
10%-30% or so, therefore, capacity usage ratio are lower.
Utility model content
The utility model provides a kind of multiple-effect evaporation concentration systems that efficiency utilization rate is high.
A kind of multiple-effect evaporation concentration systems, comprising: 1st effective evaporator, one connect with the 1st effective evaporator imitate carbonated drink point
From device；2nd effect evaporator, two connect with the 2nd effect evaporator imitate steam-water separator；Wherein, multiple-effect evaporation concentration system
System further include:
First injector and the second injector；
First injector has first entrance, first outlet, the first ejecting port and the first draining hole；
Second injector has second entrance, second outlet, the second ejecting port and the second draining hole；
Wherein, first ejecting port with it is described one effect steam-water separator steam (vapor) outlet dock, the first outlet and
It docks the steam inlet of the 1st effective evaporator；First draining hole is docked with the second entrance；
Second ejecting port is docked with the steam (vapor) outlet of the two effects steam-water separator.
As an example, further including raw steam suppling tube road；
The raw steam suppling tube road includes the first branch and second branch being arranged in parallel；
The supply mouth of the first branch is docked with the first entrance, and the second branch supply mouth and an effect are steamed
Send out the steam inlet docking of device.
As an example, having the valve for second branch described in open and close in the second branch.
As an example, further including material liquid feeding pipe；
The material liquid feeding pipe respectively with the material liquid entrance of the 1st effective evaporator and the 2nd effect evaporator
The docking of material liquid entrance.
As an example, the 1st effective evaporator is shell-and-tube evaporator；
The steam inlet of the 1st effective evaporator is shell side inlet, and the material liquid entrance of the 1st effective evaporator enters for tube side
Mouthful.
As an example, the 2nd effect evaporator is shell-and-tube evaporator；
The steam inlet of the 2nd effect evaporator is shell side inlet, and the material liquid entrance of the 2nd effect evaporator enters for tube side
Mouthful.
As an example, the effect steam-water separator further includes liquid outlet, the liquid outlet and the 1st effective evaporator
The docking of material liquid entrance.
As an example, the two effects steam-water separator further includes liquid outlet, the liquid outlet and the 2nd effect evaporator
The docking of material liquid entrance.
The beneficial effect of the utility model embodiment is:
Quantity and position of the multiple-effect evaporation concentration systems of the utility model embodiment by reasonable disposition injector, thus
It can reduce the consumption to the energy, to improve the utilization efficiency of the energy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment multiple-effect evaporation concentration systems.
Appended drawing reference:
1- 1st effective evaporator；2- mono- imitates steam-water separator；3- 2nd effect evaporator；11,31 steam inlet；12,32- material liquid
Entrance；13,33- condensate port；4- bis- imitates steam-water separator；21,41- steam (vapor) outlet；22,42- liquid outlet；23,43- paste outlet；
The first injector of 5-；The second injector of 6-；7- gives birth to steam suppling tube road；71- valve；8- material liquid feeding pipe.
Specific embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, with reference to the accompanying drawings of the specification
The utility model embodiment is described in detail.
As shown in Figure 1, being a kind of multiple-effect evaporation concentration systems provided by the embodiment of the utility model, comprising: an effect evaporation
Device 1, one connect with 1st effective evaporator 1 imitate steam-water separator 2；2nd effect evaporator 3, two connect with 2nd effect evaporator 3 imitate vapour
Separator 4；
Wherein, multiple-effect evaporation concentration systems further include: the first injector 5 and the second injector 6；
First injector 5 has first entrance (not shown), first outlet (not shown), the first ejecting port
(not shown) and the first draining hole (not shown)；Second injector 6 has second entrance (not shown), second
Export (not shown), the second ejecting port (not shown) and the second draining hole (not shown)；Wherein, the first injection
Mouth is docked with the steam (vapor) outlet 21 of an effect steam-water separator 2, and first outlet is docked with the steam inlet 11 of 1st effective evaporator, and first
Draining hole and second entrance docking；Second ejecting port with two effect steam-water separators steam (vapor) outlet 41 dock, the second draining hole and
External environment (atmosphere) connection.
By the multiple-effect evaporation concentration systems of the utility model embodiment, it can be achieved that the secondary of 1st effective evaporator 1 is entered
Steam and the secondary steam entered in 2nd effect evaporator 3 carry out injection (pressurization), so that the consumption to the energy is considerably reduced,
The utilization efficiency of the energy is also improved simultaneously.
Further, the multiple-effect evaporation concentration systems in the present embodiment further include raw steam suppling tube road 7；Raw steam supply
Pipeline includes the first branch and second branch being arranged in parallel；The supply mouth of the first branch is docked with first entrance, second branch
Supply mouth is docked with the steam inlet 11 of 1st effective evaporator 1.
It should be noted that injector is the turbulent diffusion using jet stream, keep the two fluids of different pressures mutual
Mixing, and cause the fluid machinery and mix reaction equipment of energy exchange；The higher fluid of pressure is called " work before into injector
Make fluid ", the lower fluid of pressure is called " driving fluid ", and " working fluid " and " driving fluid " mixes heel row in injector
Fluid out is called " fluid-mixing "；In the present embodiment, the steam (vapor) outlet 21 of You Yixiao steam-water separator 2 and two effect carbonated drinks point
The steam that steam (vapor) outlet 41 from device 4 is discharged is equivalent to " driving fluid "；Raw steam is equivalent to " working fluid "；Wherein, first
For being passed through " working fluid ", first outlet, second outlet, the first draining hole and the second draining hole are used for for entrance and second entrance
It is discharged " fluid-mixing ", the first ejecting port and the second ejecting port are for being passed through " driving fluid ".
Further, the material liquid in the present embodiment is entered by material liquid feeding pipe 8 and the material liquid of 1st effective evaporator 1
The material liquid entrance 32 of mouth 12 and 2nd effect evaporator docks.
Further, there is the valve 71 for open and close second branch in second branch.Due to being imitated in the incipient stage to one
(raw steam is passed through) when evaporator 1 is heated, and the steam of stable quantity will not be generated in an effect steam-water separator 2, therefore, it is necessary to
Open valve 71；After can generate the steam of stable quantity in an effect steam-water separator 2, valve 71 is closed, passes through raw steam
First injector 5 carries out injection to the steam in an effect steam-water separator 2, and slowly reduces the supply amount of raw steam, makes to enter
The steam total amount (fluid-mixing) of 1st effective evaporator 1 is kept constant.Into the steam in 1st effective evaporator 1 be cooled to condensed water from
Condensate port 13 is discharged.
Further, generated steam is by after injection in an effect steam-water separator 2, and a part of " fluid-mixing " is by first
Outlet flows into 1st effective evaporator 1, and another part enters the second injector 6 by the first draining hole as " driving fluid " and imitates to two
The steam generated in steam-water separator 4 carries out injection, finally enters in 2nd effect evaporator 3.Steam into 2nd effect evaporator 3
Condensed water is cooled to be discharged from condensate port 33.It should be noted that since the steam generated in two effect steam-water separators 4 can not
Completely by injection, after steam enters the second injector 6 by the second ejecting port, a part of steam is arranged after injection from second outlet
Out, a part is discharged from the second draining hole.
Further, in the present embodiment, an effect steam-water separator 2 further includes liquid outlet 22, and liquid outlet 22 and an effect are steamed
The material liquid entrance 12 for sending out device 1 docks, to carry out continuing to be concentrated.Two effect steam-water separators 4 further include liquid outlet 42, liquid outlet 42
It is docked with the material liquid entrance 32 of 2nd effect evaporator, to carry out continuing to be concentrated.
Further, an effect steam-water separator 2 further includes paste outlet 23, and two effect steam-water separators 4 include paste outlet 43, when
After detecting that the concentration of concentrated material liquid reaches preassigned, stop the supply of raw steam, opens paste outlet 23,43 and carry out
Cream out.
Further, 1st effective evaporator 1 is shell-and-tube evaporator；The steam inlet 11 of 1st effective evaporator 1 is shell side inlet,
The material liquid entrance 12 of 1st effective evaporator 1 is tube-side inlet.Certainly, in other implementations, it is also possible to steam and walks effect evaporation
The tube side of device 1, material liquid walk the shell side of 1st effective evaporator 1.It is reasonable that those skilled in the art can according to the actual situation carry out this
Allotment, the present embodiment are not especially limited this.
Further, 2nd effect evaporator 3 is shell-and-tube evaporator；The steam inlet 31 of 2nd effect evaporator 3 is shell side inlet,
The material liquid entrance 32 of 2nd effect evaporator 3 is tube-side inlet.Certainly, in other implementations, it is also possible to steam and walks the evaporation of two effects
The tube side of device 3, material liquid walk the shell side of 2nd effect evaporator 3.It is reasonable that those skilled in the art can according to the actual situation carry out this
Allotment, the present embodiment are not especially limited this.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (8)
1. a kind of multiple-effect evaporation concentration systems, comprising: 1st effective evaporator, one connect with the 1st effective evaporator imitate steam-water separation
Device；2nd effect evaporator, two connect with the 2nd effect evaporator imitate steam-water separator；It is characterized in that, the multiple-effect evaporation is dense
Compression system further include:
First injector and the second injector；
First injector has first entrance, first outlet, the first ejecting port and the first draining hole；
Second injector has second entrance, second outlet, the second ejecting port and the second draining hole；
Wherein, first ejecting port with it is described one effect steam-water separator steam (vapor) outlet dock, the first outlet with it is described
The steam inlet of 1st effective evaporator is docked, and first draining hole is docked with the second entrance；
Second ejecting port is docked with the steam (vapor) outlet of the two effects steam-water separator.
2. multiple-effect evaporation concentration systems according to claim 1, which is characterized in that further include raw steam suppling tube road；
The raw steam suppling tube road includes the first branch and second branch being arranged in parallel；
The supply mouth of the first branch is docked with the first entrance, the second branch supply mouth and the 1st effective evaporator
Steam inlet docking.
3. multiple-effect evaporation concentration systems according to claim 2, which is characterized in that have in the second branch and be used for
The valve of second branch described in open and close.
4. multiple-effect evaporation concentration systems according to claim 1, which is characterized in that further include material liquid feeding pipe；
The material liquid feeding pipe raw material with the material liquid entrance of the 1st effective evaporator and the 2nd effect evaporator respectively
The docking of liquid entrance.
5. multiple-effect evaporation concentration systems according to claim 1, which is characterized in that the 1st effective evaporator is shell-and-tube steaming
Send out device；
The steam inlet of the 1st effective evaporator is shell side inlet, and the material liquid entrance of the 1st effective evaporator is tube-side inlet.
6. multiple-effect evaporation concentration systems according to claim 1, which is characterized in that the 2nd effect evaporator is shell-and-tube steaming
Send out device；
The steam inlet of the 2nd effect evaporator is shell side inlet, and the material liquid entrance of the 2nd effect evaporator is tube-side inlet.
7. multiple-effect evaporation concentration systems according to claim 4, which is characterized in that described one, which imitates steam-water separator, further includes
Liquid outlet, the liquid outlet are docked with the material liquid entrance of the 1st effective evaporator.
8. multiple-effect evaporation concentration systems according to claim 4, which is characterized in that described two, which imitate steam-water separator, further includes
Liquid outlet, the liquid outlet are docked with the material liquid entrance of the 2nd effect evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821593252.XU CN208877938U (en) | 2018-09-28 | 2018-09-28 | A kind of multiple-effect evaporation concentration systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821593252.XU CN208877938U (en) | 2018-09-28 | 2018-09-28 | A kind of multiple-effect evaporation concentration systems |
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| CN208877938U true CN208877938U (en) | 2019-05-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544909A (en) * | 2020-04-27 | 2020-08-18 | 广东中科光年数智科技有限公司 | Evaporation concentration system |
| CN111544913A (en) * | 2020-04-27 | 2020-08-18 | 广东中科光年数智科技有限公司 | Heat pump evaporation concentration system |
-
2018
- 2018-09-28 CN CN201821593252.XU patent/CN208877938U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544909A (en) * | 2020-04-27 | 2020-08-18 | 广东中科光年数智科技有限公司 | Evaporation concentration system |
| CN111544913A (en) * | 2020-04-27 | 2020-08-18 | 广东中科光年数智科技有限公司 | Heat pump evaporation concentration system |
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