CN205323243U - Dismantled and assembled falling liquid film formula vacuum evaporator of demister - Google Patents
Dismantled and assembled falling liquid film formula vacuum evaporator of demister Download PDFInfo
- Publication number
- CN205323243U CN205323243U CN201521117333.9U CN201521117333U CN205323243U CN 205323243 U CN205323243 U CN 205323243U CN 201521117333 U CN201521117333 U CN 201521117333U CN 205323243 U CN205323243 U CN 205323243U
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- Prior art keywords
- demister
- vacuum evaporator
- baffle plate
- separation chamber
- groove frame
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Abstract
The utility model discloses a dismantled and assembled falling liquid film formula vacuum evaporator of demister, including the heating chamber with set up in heating chamber separation chamber down, seted up 1 at least groove frame in the separation chamber, detachable installs 1 demister in every groove frame, still be equipped with to lock the locking mechanism on the frame of groove with the demister on every demister, the outside of demister is equipped with the baffle. The utility model discloses a demister is detachable, pull down when being convenient for shut down and wash, and then the installation resets and come into operation, has reached to reduce the pressure that the evaporation imitated jar and the purpose of pressure differential, and promote evaporation efficiency simultaneously, improve the evaporation and compare, reduce the steam quantity, reduce the running cost, can produce considerable economic benefits.
Description
Technical field
This utility model relates to technical field of chemical, is specifically related to a kind of removable falling film type vacuum evaporator of demister。
Background technology
Alkali collection is critically important in pulp and paper industry, alkali collection is briefly, it is simply that the medicinal liquid after soda pulping process steaming and decocting is extracted as possible from slurry, processes then through a series of processing technique, thus the alkali major part in medicinal liquid is reclaimed, it is used further to produce continuous recycling。So can greatly reduce the consumption of sodium hydroxide。In reducing rules chemical recovery system, falling film type vacuum evaporator is one of crucial equipment, and it directly affects the properly functioning of whole system。
Reducing rules alkali collection falling film type vacuum evaporator of the prior art is that a kind of pulping and paper-making devil liquor recovery processes evaporation equipment, and it has, and investment is low, heat transfer efficiency is high, power consumption is low and the feature such as sound construction, long service life。But the demister of Yin Qinei is fixed, in running, demister can cause demister easily to block because the fiber of thin phenol water is high, and (the thin phenol water TSS of reducing rules is 1500ppm, the fiber content of 200 eye mesh screen detections is 100ppm), indirect steam unimpeded cannot enter into next effect tank, cause Xiao Guan separation chamber pressure higher, have influence on the properly functioning of system。And when stop cleaning, because demister is serpentine configuration, use giant to rinse the fiber of the carbonization that can only lay surface; cannot clean up completely; causing very big puzzlement to operation, as big in steam consumption, operating cost is high, wash number is multiplied, operational efficiency is low。
Utility model content
Technical problem to be solved in the utility model be to provide a kind of be readily cleaned, the removable falling film type vacuum evaporator of demister that operating cost is low。
For solving above-mentioned technical problem, the technical solution adopted in the utility model is as follows:
A kind of removable falling film type vacuum evaporator of demister, including adding hot cell and being arranged at the separation chamber added under hot cell, at least 1 groove frame is offered in separation chamber, dismountable in each groove frame 1 demister is installed, being additionally provided with the retaining mechanism being locked on groove frame by demister on each demister, the outside of described demister is provided with baffle plate。
Such scheme is preferred, and the baffle plate that the outside of each demister is provided with is 3 pieces, and the two ends of every piece of baffle plate offer screw, and described retaining mechanism is bolt, and bolt inserts in screw and lock onto in groove frame by demister。
Such scheme is preferred, and described demister is 5, and these demisters are uniformly distributed in the mode of same annular and are installed in separation chamber。
In order to reduce the resistance to corrosion of baffle plate, extending the use time, such scheme is preferred, and described baffle plate is rustless steel baffle plate。
In order to improve filter foam effect, such scheme is preferred, and described demister is serpentine configuration。
Compared with prior art, demister of the present utility model is detachable, it is simple to remove cleaning during shutdown, then installs reset again and comes into operation, and has reached the purpose of pressure and the pressure reduction reducing evaporation effect tank；And promote evaporation efficiency simultaneously, improve evaporite ratio, reduce steam consumption, reduce operating cost, considerable economic benefit can be produced；It further reduces the number of times of stop cleaning, improve operational efficiency, meet the properly functioning of vapo(u)rization system。
Accompanying drawing explanation
Fig. 1 is the structural representation of the removable falling film type vacuum evaporator of a kind of demister of the present utility model；
Number in the figure is: 1, add hot cell；2, separation chamber；3, demister；4, groove frame；5, baffle plate；6, bolt；7, distribution grid；8, heat pipe is added。
Detailed description of the invention
This utility model is a kind of removable falling film type vacuum evaporator of demister, as it is shown in figure 1, include adding hot cell 1 and being arranged at the separation chamber 2 added under hot cell 1。The described upper end adding hot cell 1 is provided with distribution grid 7。Adding in hot cell 1, it is vertically provided with and many adds heat pipe 8 for heating medicinal liquid with adding heat pipe 8, and add heat pipe 8 and connected with the upper tube box adding upper end, hot cell 1 by distribution grid 7。At least 1 groove frame 4 is offered in separation chamber 2, dismountable in each groove frame 41 demister 3 is installed, each demister 3 is additionally provided with demister 3 is locked at the retaining mechanism on groove frame 4, the outside of described demister 3 is provided with rustless steel baffle plate 5, in order to improve filter foam effect and work efficiency, described demister 3 is serpentine configuration。
The rustless steel baffle plate 5 that the outside of each demister 3 is provided with is 3 pieces, in order to reinforce demister 3, it is to avoid occur during dismounting loosening, impact filter foam effect。Described retaining mechanism can be locked for eccentric, inclined-plane is locked, four-bar mechanism is locked, bolt 6 is locked, in order to make structure simpler, it is easy to dismounting, in this preferred implementation, described retaining mechanism is bolt 6。The two ends of every piece of baffle plate 5 all offer the screw coordinated with bolt 6, and bolt 6 inserts in screw and lock onto in groove frame 4 by demister 3。
Described demister 3 is 5, and in order to improve filter foam effect further, the mode that these demisters 3 are uniformly distributed in same annular is installed in separation chamber 2。
The work process of the removable falling film type vacuum evaporator of demister 3 of the present utility model is: from falling film evaporator, medicinal liquid is added hot cell 1 upper tube box and adds, through distribution grid 7, be evenly distributed to and respectively add in heat pipe 8, and flows down along adding heat pipe 8 inwall in uniformly membranaceous。In flowing down process, heated medium heating vaporization, the steam produced jointly enters the separation chamber 2 of vaporizer mutually with medicinal liquid, vapour-liquid is sufficiently separated after demister 3, gas phase enters condenser condensation (single-action operation) or enters lower 1st effective evaporator as adding thermal medium, and liquid phase is then discharged by separation chamber 2。
Following table be existing in the middle of fixed demister 3 and the dismountable demister 3 of this utility model clean aftereffect tank pressure difference synopsis:
As seen from the above table, the cleaning performance of demister 3 of the present utility model is higher than existing central technology, and namely pressure reduction substantially reduces prior art。
Claims (5)
1. the removable falling film type vacuum evaporator of demister, including adding hot cell (1) and being arranged at the separation chamber (2) added under hot cell (1), it is characterized in that: in separation chamber (2), offer at least 1 groove frame (4), dismountable in each groove frame (4) 1 demister (3) is installed, being additionally provided with on each demister (3) and demister (3) is locked at the retaining mechanism on groove frame (4), the outside of described demister (3) is provided with baffle plate (5)。
2. the removable falling film type vacuum evaporator of demister according to claim 1, it is characterized in that: the baffle plate (5) that the outside of each demister (3) is provided with is 3 pieces, and the two ends of every piece of baffle plate (5) offer screw, described retaining mechanism is bolt (6), and bolt (6) inserts in screw and lock onto in groove frame (4) by demister (3)。
3. the removable falling film type vacuum evaporator of demister according to claim 1 and 2, it is characterized in that: described demister (3) is 5, these demisters (3) are uniformly distributed in the mode of same annular and are installed in separation chamber (2)。
4. the removable falling film type vacuum evaporator of demister according to claim 1 and 2, it is characterised in that: described baffle plate (5) is rustless steel baffle plate。
5. the removable falling film type vacuum evaporator of demister according to claim 1 and 2, it is characterised in that: described demister (3) is serpentine configuration。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521117333.9U CN205323243U (en) | 2015-12-29 | 2015-12-29 | Dismantled and assembled falling liquid film formula vacuum evaporator of demister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521117333.9U CN205323243U (en) | 2015-12-29 | 2015-12-29 | Dismantled and assembled falling liquid film formula vacuum evaporator of demister |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205323243U true CN205323243U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521117333.9U Active CN205323243U (en) | 2015-12-29 | 2015-12-29 | Dismantled and assembled falling liquid film formula vacuum evaporator of demister |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205323243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597349A (en) * | 2015-12-29 | 2016-05-25 | 广西金桂浆纸业有限公司 | Falling film type vacuum evaporator provided with detachable mist eliminators |
-
2015
- 2015-12-29 CN CN201521117333.9U patent/CN205323243U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597349A (en) * | 2015-12-29 | 2016-05-25 | 广西金桂浆纸业有限公司 | Falling film type vacuum evaporator provided with detachable mist eliminators |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |