CN208785784U - A kind of external circulation evaporator - Google Patents
A kind of external circulation evaporator Download PDFInfo
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- CN208785784U CN208785784U CN201821413779.XU CN201821413779U CN208785784U CN 208785784 U CN208785784 U CN 208785784U CN 201821413779 U CN201821413779 U CN 201821413779U CN 208785784 U CN208785784 U CN 208785784U
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- evaporator
- evaporation plate
- liquid
- evaporation
- external circulation
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Abstract
The utility model discloses a kind of external circulation evaporator, including heating tank, evaporator, heating tank top is connect in the middle part of evaporator by upper circular tube, and heating tank lower part is connect with evaporator lower part by lower circulation pipe；Enhanced water evaporation device is provided in evaporator.The external circulation evaporator of the utility model solves the problems, such as to be gradually reduced as concentration increases evaporation efficiency, and draw operation is more convenient, quick, safe.
Description
Technical field
The utility model relates to food processing machinery fields, and in particular to a kind of external circulation evaporator.
Background technique
The basic working principle of external circulation evaporator: after feed liquid is heated to boiling in the pipe of heater, solution is by vapour
Change, thermal energy is made to be converted into the kinetic energy moved upwards, rise to top from heater lower part and enters evaporator；Due in heating tank
Produce that biggish severe is poor between the feed liquid not being heated in liquid-vapor mixture and circulation pipe, in expansion kinetic energy and severe difference
Under effect, the Natural Circulation of feed liquid is produced.Due to evaporating under vacuum, the boiling point of feed liquid is reduced, and heating tank comes out
Liquid-vapor mixture enter and carry out vapor-liquid separation in evaporator, the secondary steam of generation is into through condenser, cooler condensation and cold
Laggard liquid-collecting barrel is discharged.
This standard external circulation evaporator is in concentration process, and after feed liquid enters evaporator from heating tank, gas-liquid separation is not
Thoroughly, secondary steam stock in part wraps enters after heating pot bottom, especially material concentration reach 20% or more especially again
Obviously, evaporation efficiency is decreased obviously, and equipment effectiveness is very low；Standard pan liquid trap generally uses round trip or two simultaneously simultaneously
Connection opens simultaneously air valve, opens discharging pump discharging by closing coupling cock when discharging.Operation sequence is pretty troublesome, operative employee pole
Easily there is maloperation and causes the case where running material and equipment operation exception.
Utility model content
The main purpose of the utility model is to provide a kind of external circulation evaporator, is remarkably improved evaporation efficiency, and go out
Material is convenient, safe.
In order to achieve the above object, the utility model is resolved using following technical scheme.
Pass through upper circular tube in the middle part of a kind of external circulation evaporator, including heating tank, evaporator, heating tank top and evaporator
Connection, heating tank lower part is connect with evaporator lower part by lower circulation pipe；Enhanced water evaporation device is provided in evaporator.
Preferably, enhanced water evaporation device includes the evaporation plate that quantity is no less than one, is provided with fluid passage in evaporation plate.
Preferably, evaporation plate includes that annular evaporation plate and taper evaporation plate, annular evaporation plate are located at taper evaporation plate
Top；The outer edge of annular evaporation plate is connect with evaporation top tank structure, and interior circular hole is the first fluid passage；Under taper evaporation plate
The connection of the inner wall of edge and evaporator, taper evaporation plate bottom margin are provided with second liquid channel.
Further, steam channel is provided in taper evaporation plate.
Preferably, steam channel is arranged in the vertex of a cone.
It further, further include condenser, cooler and liquid-collecting barrel, the top of evaporator and the top of condenser pass through steaming
Send out pipe connection；Cooler is connected to the bottom of condenser, and liquid-collecting barrel is connected to the bottom of cooler.
Further, liquid-collecting barrel bottom is provided with centrifugal pump 9, and centrifugal pump is for extracting recovered liquid in liquid-collecting barrel 7.
For the external circulation evaporator of technical solutions of the utility model compared with the existing technology, equipment effectiveness has been obtained greatly
Raising, solve the problems, such as with concentration increase evaporation efficiency be gradually reduced, and draw operation it is more convenient, it is quick, peace
Entirely.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the utility model external circulation evaporator overall schematic；
The schematic diagram of the first embodiment of the enhanced water evaporation device of Fig. 2 the utility model external circulation evaporator；
The schematic diagram of second of embodiment of enhanced water evaporation device of Fig. 3 the utility model external circulation evaporator；
The schematic diagram of the third embodiment of the enhanced water evaporation device of Fig. 4 the utility model external circulation evaporator.
In the above figure: 1 heating tank；2 evaporators；21 enhanced water evaporation devices；211 evaporation plates；212 fluid passages；2111
Annular evaporation plate；2112 taper evaporation plates；2113 first fluid passages；2114 second liquid channels；2115 steam channels；On 3
Circulation pipe；4 lower circulation pipes；5 condensers；6 coolers；7 liquid-collecting barrels；8 evaporation tubes；9 double mechanical seal centrifugal pumps；A is followed outside
The Local map of the enhanced water evaporation device of ring evaporator.
Specific embodiment
It is understandable in order to enable the above objects, features, and advantages of the utility model to become apparent, it is right with reference to the accompanying drawing
Specific embodiment of the present utility model is described in detail.
Elaborate detail in the following description in order to fully understand the utility model.But the utility model can
It is different from other way described herein with a variety of and implements, those skilled in the art can be without prejudice to the utility model connotation
In the case where do similar popularization.Therefore the utility model is not limited by following public specific embodiment.
Referring to FIG. 1, a kind of external circulation evaporator, including heating tank 1, evaporator 2, in 1 top of heating tank and evaporator 2
Portion is connected by upper circular tube 3, and 1 lower part of heating tank is connect with 2 lower part of evaporator by lower circulation pipe 4；It is provided in evaporator 2
Enhanced water evaporation device 21.
In above embodiments, by increasing enhanced water evaporation device in evaporator 2, external circulation evaporator gas can be obviously improved
The effect of liquid separation.
Further, enhanced water evaporation device 21 includes the evaporation plate 211 that quantity is no less than one, is provided with liquid in evaporation plate
Body channel 212.
With reference to Fig. 2, in the present embodiment, enhanced water evaporation device 21 is specially the evaporation plate 211 being set in evaporator, evaporation
Fluid passage 212 is provided on plate 211.Theoretically the quantity of evaporation plate 211 is more, and feed liquid flows through evaporation plate 211 and connects with air
The area of touching is bigger, and the stroke flowed through is longer, is more conducive to the gas-liquid separation of feed liquid.Fluid passage 212 flows into evaporation convenient for liquid
It is heated again 2 bottom of tank.
Preferably, evaporation plate 211 includes annular evaporation plate 2111 and taper evaporation plate 2112, annular evaporation plate 2111
Positioned at 2112 top of taper evaporation plate；The outer edge of annular evaporation plate 2111 is connect with 2 inner wall of evaporator, and interior circular hole is first
Fluid passage 2113；The lower edge of taper evaporation plate 2112 is connect with the inner wall of evaporator 2,2112 bottom margin of taper evaporation plate
It is provided with second liquid channel 2114.
With reference to Fig. 3, in the present embodiment, enhanced water evaporation device 21 is provided with two evaporation plates: annular evaporation plate 2111 and cone
Shape evaporation plate 2112 after condensed feed liquid is fallen in annular evaporation plate 2111, drops to taper by the first fluid passage 2113
In evaporation plate 2112, enter the bottom of evaporator from second liquid channel 2114 downwards along taper evaporation plate 2112.Material flow
Through two evaporation plates, area and stroke become larger, and evaporation material rate improves.
Further, steam channel 2115 is provided in taper evaporation plate 2112.
In above embodiments, 21 lower part of enhanced water evaporation device inevitable that part gas-liquid mixture, for the ease of
These gas-liquid mixtures rise to 2 top of evaporator, and steam channel 2115 is arranged in taper evaporation plate 2112.
Further, steam channel 2115 is arranged in the vertex of a cone.
With reference to Fig. 4, in the present embodiment, since steam is toward rising, in order to keep steam channel unimpeded, steam channel 2115 is arranged
In the vertex of a cone of taper evaporation plate 2112, the vertex of a cone of taper evaporation plate 2112 is specially pruned into the circular hole to be formed.
Further, outside-circulating evaporation device further includes condenser 5, cooler 6 and liquid-collecting barrel 7, the top of evaporator 2 with
The top of condenser 5 is connected by evaporation tube 8；Cooler 6 is connected to the bottom of condenser 5, and liquid-collecting barrel 7 is connected to cooler 6
Bottom.
In above embodiments, condensation and cooling laggard liquid-collecting barrel 7 of the steam through condenser 5 and cooler 6 carry out discharge receipts
Collection.
Further, 7 bottom of liquid-collecting barrel is provided with centrifugal pump 9, and centrifugal pump is for extracting recovered liquid in the liquid-collecting barrel 7.
With reference to Fig. 1, in the present embodiment, by the way that centrifugal pump 9 is arranged in 7 bottom of liquid-collecting barrel, can not have to steam as other circulations
Hair device equally uses round trip or two parallel connections, and when discharging directly opens centrifugal pump 9 and discharges.The preferred Double End machine of the present embodiment
Tool seals centrifugal pump, and such discharge method safely, conveniently, saves equipment.
Although having made to retouch in detail to the utility model with a general description of the specific embodiments in this specification
It states, but on the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the utility model belong to the requires of the utility model guarantor
The range of shield.
Claims (7)
1. a kind of external circulation evaporator, which is characterized in that including heating tank (1), evaporator (2), heating tank (1) top with
It is connected in the middle part of evaporator (2) by upper circular tube (3), heating tank (1) lower part and evaporator (2) lower part pass through lower circulation pipe (4)
Connection；Enhanced water evaporation device (21) are provided in the evaporator (2).
2. external circulation evaporator according to claim 1, which is characterized in that the enhanced water evaporation device (21) includes quantity
No less than one evaporation plate (211) is provided with fluid passage (212) in evaporation plate.
3. external circulation evaporator according to claim 2, which is characterized in that the evaporation plate (211) includes annular evaporation
Plate (2111) and taper evaporation plate (2112), annular evaporation plate (2111) are located at taper evaporation plate (2112) top；
The outer edge of annular evaporation plate (2111) is connect with evaporator (2) inner wall, and interior circular hole is the first fluid passage (2113)；
The lower edge of taper evaporation plate (2112) is connect with the inner wall of evaporator (2), and taper evaporation plate (2112) bottom margin is set
It is equipped with second liquid channel (2114).
4. external circulation evaporator according to claim 3, which is characterized in that be provided on the taper evaporation plate (2112)
Steam channel (2115).
5. external circulation evaporator according to claim 4, which is characterized in that steam channel (2115) setting is being bored
Top.
6. external circulation evaporator according to claim 1, which is characterized in that further include condenser (5), cooler (6) and
The top of liquid-collecting barrel (7), the evaporator (2) is connect with the top of condenser (5) by evaporation tube (8)；The cooler (6)
It is connected to the bottom of condenser (5), the liquid-collecting barrel (7) is connected to the bottom of cooler (6).
7. external circulation evaporator according to claim 6, which is characterized in that liquid-collecting barrel (7) bottom is provided with centrifugation
It pumps (9), the centrifugal pump is for extracting recovered liquid in the liquid-collecting barrel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821413779.XU CN208785784U (en) | 2018-08-30 | 2018-08-30 | A kind of external circulation evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821413779.XU CN208785784U (en) | 2018-08-30 | 2018-08-30 | A kind of external circulation evaporator |
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| Publication Number | Publication Date |
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| CN208785784U true CN208785784U (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821413779.XU Active CN208785784U (en) | 2018-08-30 | 2018-08-30 | A kind of external circulation evaporator |
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| Country | Link |
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| CN (1) | CN208785784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786159A (en) * | 2018-08-30 | 2018-11-13 | 陕西宏达植物化工有限公司 | A kind of external circulation evaporator |
-
2018
- 2018-08-30 CN CN201821413779.XU patent/CN208785784U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786159A (en) * | 2018-08-30 | 2018-11-13 | 陕西宏达植物化工有限公司 | A kind of external circulation evaporator |
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