CN209221521U - A kind of luwa evaporator - Google Patents
A kind of luwa evaporator Download PDFInfo
- Publication number
- CN209221521U CN209221521U CN201821958642.2U CN201821958642U CN209221521U CN 209221521 U CN209221521 U CN 209221521U CN 201821958642 U CN201821958642 U CN 201821958642U CN 209221521 U CN209221521 U CN 209221521U
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- scraping
- slot
- slot scraping
- luwa evaporator
- knife rest
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Abstract
The utility model discloses a kind of luwa evaporators, including motor, retarder, cleaning edge and cylinder, the cleaning edge is set in cylinder and is connected to motor by retarder, medium to be evaporated is scraped into film forming in cylinder inboard wall when motor drives and rotates to realize, cleaning edge includes the second slot scraping of luwa evaporator knife rest, scraping blade, the first slot scraping of strip to install scraping blade and the strip to fix the first slot scraping；Second slot scraping offers the open slot with the cooperation of the first slot scraping, and the first slot scraping is sliding along its length to be loaded on open slot, and is fixed on the second slot scraping by fastener；Second slot scraping is fixed on luwa evaporator knife rest and luwa evaporator knife rest connects the motor by retarder.Above-mentioned luwa evaporator scraping blade disassembly cleaning is convenient, greatly shortens the maintenance time of equipment, reduces shutdown loss.
Description
Technical field
The utility model relates to vaporizer technology field, in particular to a kind of luwa evaporator.
Background technique
Luwa evaporator is to be formed a film by rotary scraping striking, and flow at high speed, heat transference efficiency height, residence time are short
(about 10~50 seconds) can carry out a kind of new and effective evaporator of falling film evaporation under vacuum conditions.
Material is from the top of heating zone radially into evaporator；It is distributed to evaporator heating wall through distributing device, such as Fig. 1 institute
It states, the scraping blade 01 and knife rest 02 of luwa evaporator are not directly contacted with, and scraping blade 01 is placed in the slot scraping of knife rest, slot scraping upper and lower ends envelope
It closes, prevents scraping blade 01 from falling；When knife rest rotates, scraping blade 01 contacts the barrel 03 of luwa evaporator under the influence of centrifugal force, rotation
The scraping blade 01 turned adds block evaporation rate for the uniform liquid film of thickness is spread on material continuously and uniformly heating surface.
Luwa evaporator plays a very important role on chemical field and stripper recovery system, directly affects system effectiveness
And the rate of recovery, in stripper recovery system, because stripper waste liquid contains photoresist, under high temperature environment, fouling is precipitated in photoresist,
Adhesion scraping blade 01, to cannot make scraping blade 01 under the influence of centrifugal force, 100% is bonded with luwa evaporator inner heating surface, scrapes
Membrane efficiency reduces.Therefore luwa evaporator must carry out maintenance for 400 hours or so in operating, remove scraping blade 01 and use high pressure water
Rifle is cleaned, and luwa evaporator structure belongs to cylindrical shape, and after bottom head covers are removed, scraping blade 01 sticks in cannot on knife rest 02
Freely falling, such maintenance cleaning scraping cutter 5 is difficult, and greatly required service time about 2-3 days, system must also be shut down 2-3 days, from
And cause certain economic loss.
Therefore, a kind of luwa evaporator convenient for safeguarding how is designed, scraping blade is improved and dismounts cleaning efficiency, reduce and shut down damage
Losing becomes those skilled in the art's technical issues that need to address.
Utility model content
The purpose of the utility model is to provide a kind of luwa evaporator, the scraping blade of the luwa evaporator is easy dismounting cleaning,
Luwa evaporator maintenance maintenance is simple, shortens downtime, reduces shutdown loss.
To achieve the above object, the utility model provides a kind of luwa evaporator, including motor, retarder, cleaning edge
And cylinder, the cleaning edge are set in the cylinder and are connected to the motor by the retarder, to realize described
Motor forms a film medium to be evaporated in the cylinder inboard wall striking when driving rotation,
The cleaning edge includes that luwa evaporator knife rest, scraping blade, strip to install the scraping blade first are scraped
Second slot scraping of slot and the strip to fixation first slot scraping；
Second slot scraping offers the open slot with first slot scraping cooperation, and first slot scraping is along its length
It is sliding to be loaded on the open slot, and second slot scraping is fixed on by fastener；
Second slot scraping is fixed on the luwa evaporator knife rest and the luwa evaporator knife rest passes through the deceleration
Device connects the motor.
Preferably, second slot scraping is U-shaped and has the edge sealing extended along U-shaped notch to centre, and opposite is described
The spacing of edge sealing is greater than the thickness of the scraping blade.
Preferably, first slot scraping is U-shaped, and first slot scraping is closed at both ends to realize that the scraping blade can be opposite
First slot scraping is movably arranged in first slot scraping.
Preferably, the both ends of first slot scraping open up the screw hole of the cell wall through first slot scraping, pass through bolt spiral shell
Hole cooperation is realized to the closed at both ends of first slot scraping.
Preferably, the fastener is set to the both ends of second slot scraping, opens up on the side wall at second slot scraping both ends
Through-hole, the fastener oppress the side wall of first slot scraping by the through-hole to realize first slot scraping relatively described
The fixation of two slot scrapings.
Preferably, the end of first slot scraping is additionally provided with to pull out first slot scraping from second slot scraping
Pull ring.
Preferably, the luwa evaporator knife rest includes the motor being connected to by retarder, to drive described scrape
The shaft of film evaporator blade holder turns further includes connecting with the shaft, to the slot scraping fixed part of fixation second slot scraping.
Preferably, second slot scraping is welded in the slot scraping fixed part and parallel with the shaft.
Preferably, the luwa evaporator knife rest includes four fixed parts, and four fixed parts are with the shaft
For center right-angled intersection distribution.
Preferably, the fixed part is specially the parallel isometric metal of multiple groups extended along the shaft to the barrel
Bar, second slot scraping are welded in the end of the metallic rod.
Relative to above-mentioned background technique, what the cleaning edge setting double flute of luwa evaporator provided by the utility model connected
Mode installs scraping blade namely scraping blade is installed on the first slot scraping, the sliding U-shaped notch with the second slot scraping of the first slot scraping
It is interior；After luwa evaporator long-play, scraping blade and the first slot scraping adhesion, need to scraping blade carry out clean and maintenance, at this time without
Scraping blade need to be taken out from the first slot scraping, after removing luwa evaporator bottom head covers, remove the fastener for fixing the first slot scraping, directly
First slot scraping of adhesion scraping blade is pulled out out of second slot scraping, then clean and maintenance is carried out to scraping blade, what is be effectively reduced scrapes
The dismounting maintenance time of piece；Using luwa evaporator provided by the utility model, equipment maintenance can be completed in one day, show
Work shortens maintenance downtime, reduces shutdown loss.
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 the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is prior art scraping blade connected mode schematic diagram；
Fig. 2 is luwa evaporator schematic diagram provided by the utility model；
Fig. 3 is provided the structure chart of the cleaning edge of luwa evaporator by the utility model embodiment in Fig. 2；
Fig. 4 is the top view of the cleaning edge of luwa evaporator in Fig. 2；
Fig. 5 is the partial enlarged view at the position A in Fig. 4.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically
The utility model is described in further detail for embodiment.
Fig. 2 to Fig. 5 is please referred to, Fig. 2 is luwa evaporator schematic diagram provided by the utility model；Fig. 3 is this reality in Fig. 2
The structure chart of the cleaning edge of the luwa evaporator provided by new embodiment；Fig. 4 is the scraping blade group of luwa evaporator in Fig. 2
The top view of part；Fig. 5 is the partial enlarged view at the position A in Fig. 4.
Luwa evaporator provided by the utility model, main includes the cylinder 3 of motor 1, retarder 2, luwa evaporator
With cleaning edge 4；Wherein, cleaning edge 4 is mounted on inside the cylinder 3 of luwa evaporator, and passes through 2 band of retarder by motor 1
Dynamic, cleaning edge 4 forms a film when rotating with motor 1, by medium to be evaporated in 3 inside striking of cylinder, to improve disengagement area
Accelerate evaporation.Different with traditional luwa evaporator, cleaning edge 4 provided by the utility model not only includes knifing
Evaporator knife rest 8 and scraping blade 5；Further include the first slot scraping 6 for installing scraping blade 5 and is scraped for the first of scraping blade 5 will be equipped with
Slot 6 is fixed on the second slot scraping 7 of luwa evaporator knife rest 8.Second slot scraping 7 is equipped with and the open slot of the first slot scraping 6 cooperation, installation
Have in the sliding open slot loaded on the second slot scraping 7 of the first slot scraping 6 of scraping blade 5 and first slot scraping 6 is fixed on the by fastener 71
In two slot scrapings 7；Second slot scraping 7 is fixed on luwa evaporator knife rest 8, and luwa evaporator knife rest 8 is connected to electricity by retarder 2
Machine 1, as the rotation of motor 1 drives the rotation of scraping blade 5 that medium to be evaporated forms a film in 3 inner wall striking of cylinder.
Above-mentioned luwa evaporator scraping blade 5 is installed on the first slot scraping 6, and the first slot scraping 6 is sliding to be filled and be fixed on by fastener 71
Second slot scraping 7, when luwa evaporator operation certain time length needs to carry out scraping blade 5 to scraping blade 5 to carry out demolition and maintenance, due to scraping blade
5 and 6 adhesion of the first slot scraping and be difficult to remove, need to only remove fastener 71 at this time, the first slot scraping 6 of scraping blade 5 will be installed from
The extraction of two slot scrapings 7, then scraping blade 5 and the first slot scraping 6 are cleaned, scraping blade 5, which dismounts scavenging period, greatly to be shortened；It is above-mentioned to scrape
Film evaporator structure is simple, and dismantle, cleaning, maintenance and it is easy for installation；Compared with traditional luwa evaporator, the utility model is mentioned
The luwa evaporator of confession can foreshorten to maintenance downtime 1 day by original 2-3 days, greatly shorten maintenance downtime,
Reduce shutdown loss.
Detailed Jie is carried out to luwa evaporator provided by the utility model with reference to the accompanying drawings and detailed description
It continues.In a kind of specific embodiment provided by the utility model, luwa evaporator includes cylindric luwa evaporator cylinder
Body 3, luwa evaporator cylinder 3 is interior to install cleaning edge 4, and cleaning edge 4, which passes through, is set to (as shown in Figure 2 upper of 3 one end of cylinder
Motor 1 just) is driven by retarder 2；The cleaning edge 4 of above-mentioned luwa evaporator includes luwa evaporator knife rest 8, and knifing steams
Send out device and for fixing the first slot scraping 6 of scraping blade 5 and for fixing the second slot scraping 7 of the first slot scraping 6；Wherein, the first slot scraping 6 is
Strip, scraping blade 5 are installed in the slot of the first slot scraping 6, the second slot scraping 7 also for strip and have and the first slot scraping 6 match
Open slot, the first slot scraping 6 is along the sliding open slot loaded on the second slot scraping 7 of length direction of the second slot scraping 7,6 He of the first slot scraping
The length direction along cylinder 3 of second slot scraping 7 extends, and then guarantees scraping blade 5 on the inner wall of cylinder 3 by medium striking to be evaporated
In film；Second slot scraping 7 is then fixed on luwa evaporator knife rest 8, luwa evaporator knife rest 8 be mounted in cylinder 3 and with cylinder 3
Coaxial arrangement is driven by motor 1 by retarder 2 and is rotated.
Second slot scraping 7 is U-shaped, as shown in figure 3, also having and prolonging along U-shaped notch to centre in the end of U-shaped trough rim
The edge sealing stretched, two side sealings symmetrically extend to centre, guarantee that sliding be loaded in the second slot scraping 7 of the first slot scraping 6 will not fly out from notch；
Spacing between two opposite edge sealing is slightly larger than the thickness of scraping blade 5, and square piece scraping blade 5 is stretched out and fitted among the second slot scraping 7
The inner wall of cylinder 3 realizes that the striking to medium to be evaporated forms a film.
The connection type of first slot scraping 6 and scraping blade 5 can be with specific reference to Fig. 3, and the first slot scraping 6 is also U-shaped, with the second slot scraping 7
Unlike, the notch of the first slot scraping 6 does not set edge sealing；First slot scraping 6 is matched with the second slot scraping 7, the outer ruler of the first slot scraping 6
The size of the very little open slot for being slightly less than the second slot scraping 7 realizes that the first slot scraping 6 is easily sliding and is loaded on the second slot scraping 7, and scraping blade 5 is installed
In the first slot scraping 6 but not opposite first slot scraping 6 is fixed, only makes scraping blade 5 by closing the both ends of the first slot scraping 6 of strip
It is placed in the first slot scraping 6, with reference to Fig. 2 and Fig. 4, scraping blade 5 is rotated with luwa evaporator knife rest 8, under the influence of centrifugal force, scraped
Piece 5, radially away from the first slot scraping 6, is limited along cylinder 3 by cylinder 3, contacts 3 inner wall of cylinder and by medium to be evaporated in cylinder 3
Inner wall striking film forming.Certainly, scraping blade 5 can also be rigidly connected with the first slot scraping 6, and 5 end of scraping blade extends to 3 inner wall surface of cylinder simultaneously
Retain certain interval, this gap is the thickness of knifing, only for different media to be evaporated, viscosity, heat transfer coefficient and table
The differences such as face tension, film forming thickness and the corresponding film thickness of optimal evaporation effect are also not quite similar, using such as the utility model institute
The connection type of the scraping blade 5 and the first slot scraping 6 stated can be realized according to 1 revolving speed of different adjustment motor of medium to be evaporated to scraping
The adjusting of distance between opposite 3 inner wall of cylinder of piece 5, namely adjust the thickness of the film forming of medium to be evaporated.In addition, on scraping blade 5
When the certain impurity of adhesion, the flexible connection of scraping blade 5 and the first slot scraping 6 can guarantee luwa evaporator, and scraping blade 5 is not under static state
It is bonded the inner wall of cylinder 3, luwa evaporator is made to be unlikely to difficulty in starting, and even if when adhesion impurity is more on scraping blade 5, it is also unlikely
3 inner wall of cylinder is caused to damage in contradicting 3 inner wall of cylinder.
First slot scraping 6 of strip is closed at both ends to be realized by welding baffle at the both ends of slot scraping, can also be such as Fig. 3 institute
Show, open up the screw hole through 6 cell wall of the first slot scraping at the both ends of the first slot scraping 6, is scraped by bolt and screw hole cooperation closing first
The both ends of slot 6 prevent scraping blade 5 from falling from the both ends of the first slot scraping 6.It will be in the sliding open slot loaded on the second slot scraping 7 of the first slot scraping 6
When, to avoid opposite second slot scraping 7 of the first slot scraping 6 from sliding, through-hole, fastener 71 are opened up on the side wall of 7 end of the second slot scraping
The fixation of opposite second slot scraping 7 of the first slot scraping 6 is realized by the side wall that through-hole oppresses the first slot scraping 6, as shown in Figure 4 and Figure 5.?
When needing to safeguard luwa evaporator, it is only necessary to remove the bottom head covers of luwa evaporator and remove the first slot scraping 6 of compression
The first slot scraping 6 for being equipped with scraping blade 5 can be extracted out easily from the second slot scraping 7 and carry out clean and maintenance by fastener 71, simple side
Just, shorten maintenance time.
For convenience of the first slot scraping 6 is extracted out from the second slot scraping 7, the end of the first slot scraping 6 is also set up such as Fig. 4 and Fig. 5 institute
Show pull ring 9, can easily just the first slot scraping 6 and scraping blade 5 be pulled out by hooking dynamic pull ring 9 with hand.Referring to FIG. 4, luwa evaporator knife
Frame 8 specifically include by retarder 2 be connected to motor 1, for drive luwa evaporator knife rest 8 rotate shaft 81, further include
It is connected to shaft 81 and is used to fix the slot scraping fixed part 82 of the second slot scraping 7.
In a kind of specific embodiment of the utility model, shaft 81 is hollow casing, passes through retarder 2 and motor
1 is coaxially connected, drives luwa evaporator rotation, and the multiple groups that slot scraping fixed part 82 specially extends along shaft 81 to cylinder 3 are parallel
And isometric metallic rod；Slot scraping is fixed as four, the surrounding that shaft 81 is set to centered on shaft 81 of right-angled intersection.Accordingly
, the second slot scraping 7, the first slot scraping 6 and scraping blade 5 are also four, and four the second slot scrapings 7 are respectively welded to be fixed in four slot scrapings
The parallel of opposite 3 inner wall of shaft 81 and cylinder of the second slot scraping 7 is realized, to guarantee in portion 82 namely the end for being welded in metallic rod
First slot scraping 6 and scraping blade 5 it is relatively parallel fit in 3 inner surface of cylinder.Slot scraping fixed part 82 namely the second slot scraping 7, first are scraped
The number of slot 6 and scraping blade 5 can be specifically arranged as needed, can be relatively when slot scraping fixed part 82 namely more 5 number of scraping blade
Turn down the revolving speed of motor 1.No matter the quantity of slot scraping fixed part 82, will guarantee that multiple slot scraping stationary phases are symmetrical to shaft 81
Distribution guarantees that each scraping blade 5 suffered centrifugal force size in constant speed rotation is identical, to keep film forming uniform.
Above-mentioned luwa evaporator removes the lower cover of luwa evaporator, and will be tight when operation certain time needs to clean
Firmware 71 is removed, and is pulled pull ring 9 that can easily take out the first slot scraping 6 and scraping blade 5 and is carried out cleaning and maintenance or replacement；Scraping blade 5
Simple and convenient, the relatively traditional luwa evaporator of clean and maintenance is removed, maintenance downtime greatly shortens, and reduces shutdown damage
It loses.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
The primary structure of luwa evaporator provided by the utility model is described in detail above, luwa evaporator
Other parts can refer to the prior art, it is not reinflated to be discussed in detail.Specific case used herein is to the utility model
Principle and embodiment is expounded, the method for the above embodiments are only used to help understand the utility model and its
Core concept.It should be pointed out that for those skilled in the art, before not departing from the utility model principle
It puts, several improvements and modifications can be made to this utility model, these improvement and modification also fall into the utility model right
It is required that protection scope in.
Claims (10)
1. a kind of luwa evaporator, including motor (1), retarder (2), cleaning edge (4) and cylinder (3), the cleaning edge
(4) it is set in the cylinder (3) and is connected to the motor (1) by the retarder (2), to realize in the motor (1)
It drives and medium to be evaporated forms a film in the cylinder (3) inner wall striking when rotation, which is characterized in that
The cleaning edge (4) includes luwa evaporator knife rest (8), scraping blade (5), the strip to install the scraping blade (5)
The first slot scraping (6) and the strip to fixation first slot scraping (6) the second slot scraping (7)；
Second slot scraping (7) offers the open slot with first slot scraping (6) cooperation, and first slot scraping (6) is along its length
It is sliding loaded on the open slot to spend direction, and is fixed on second slot scraping (7) by fastener (71)；
Second slot scraping (7) is fixed on the luwa evaporator knife rest (8) and the luwa evaporator knife rest (8) is described in
Retarder (2) connects the motor (1).
2. luwa evaporator according to claim 1, which is characterized in that second slot scraping (7) is U-shaped and has along U
The edge sealing that the notch of type extends to centre, the spacing of the opposite edge sealing are greater than the thickness of the scraping blade (5).
3. luwa evaporator according to claim 2, which is characterized in that first slot scraping (6) is U-shaped, and described
One slot scraping (6) it is closed at both ends to realize that relatively described first slot scraping (6) of the scraping blade (5) is movably installed on described first
In slot scraping (6).
4. luwa evaporator according to claim 3, which is characterized in that the both ends of first slot scraping (6), which open up, to be run through
The screw hole of the cell wall of first slot scraping (6) realizes two end seals to first slot scraping (6) by bolt and screw hole cooperation
It closes.
5. luwa evaporator according to claim 4, which is characterized in that the fastener (71) is set to second slot scraping
(7) both ends open up through-hole on the side wall at the second slot scraping (7) both ends, and the fastener (71) is oppressed by the through-hole
The side wall of first slot scraping (6) is to realize the fixation of relatively described second slot scraping (7) of first slot scraping (6).
6. luwa evaporator according to any one of claims 1 to 5, which is characterized in that the end of first slot scraping (6)
It is additionally provided with the pull ring (9) convenient for pulling out first slot scraping (6) from second slot scraping (7).
7. luwa evaporator according to claim 6, which is characterized in that the luwa evaporator knife rest (8) includes passing through
Retarder (2) is connected to the motor (1), the shaft (81) to drive luwa evaporator knife rest (8) rotation, further includes
It is connect with the shaft (81), to the slot scraping fixed part (82) of fixation second slot scraping (7).
8. luwa evaporator according to claim 7, which is characterized in that second slot scraping (7) is welded in the slot scraping
Fixed part (82) and parallel with the shaft (81).
9. luwa evaporator according to claim 8, which is characterized in that the luwa evaporator knife rest (8) includes four
The fixed part, four fixed parts are center right-angled intersection distribution with the shaft (81).
10. luwa evaporator according to claim 9, which is characterized in that the fixed part is specially along the shaft
(81) the parallel isometric metallic rod of the multiple groups that Xiang Suoshu cylinder (3) extends, second slot scraping (7) are welded in the metallic rod
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958642.2U CN209221521U (en) | 2018-11-26 | 2018-11-26 | A kind of luwa evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958642.2U CN209221521U (en) | 2018-11-26 | 2018-11-26 | A kind of luwa evaporator |
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| Publication Number | Publication Date |
|---|---|
| CN209221521U true CN209221521U (en) | 2019-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821958642.2U Active CN209221521U (en) | 2018-11-26 | 2018-11-26 | A kind of luwa evaporator |
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| Country | Link |
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| CN (1) | CN209221521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602199A (en) * | 2022-03-02 | 2022-06-10 | 江苏斯尔邦石化有限公司 | Method for replacing graphite scraper by KWS-1600 type wiped film evaporator |
-
2018
- 2018-11-26 CN CN201821958642.2U patent/CN209221521U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602199A (en) * | 2022-03-02 | 2022-06-10 | 江苏斯尔邦石化有限公司 | Method for replacing graphite scraper by KWS-1600 type wiped film evaporator |
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