CN213433022U - High-efficient scraper blade film evaporator - Google Patents
High-efficient scraper blade film evaporator Download PDFInfo
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- CN213433022U CN213433022U CN202021159963.3U CN202021159963U CN213433022U CN 213433022 U CN213433022 U CN 213433022U CN 202021159963 U CN202021159963 U CN 202021159963U CN 213433022 U CN213433022 U CN 213433022U
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- film evaporator
- scraper blade
- separation chamber
- liquid separator
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Abstract
The utility model relates to a high-efficient scraper blade film evaporator, its characterized in that: the upper end of separation chamber sets up gear motor, and vapour and liquid separator is connected to the lower extreme of separation chamber, and vapour and liquid separator's bottom is connected to the evaporimeter barrel, and the coaxial axis of rotation that is provided with in the evaporimeter barrel, the axis of rotation runs through vapour and liquid separator and separation chamber are connected to gear motor's motor shaft tip, have set gradually liquid distributor and scraper blade in the axis of rotation in the evaporimeter barrel, and the bottom of evaporimeter barrel is provided with the toper head, and the toper head bottom is provided with the concentrated material export, and the evaporimeter barrel is located the liquid distributor upper end and is provided with the feed inlet. The utility model discloses structural design scientific and reasonable, liquid distribution is reasonable, and the material film forming is even, can improve the evaporation heat transfer, avoids the secondary steam foam to smuggle secretly, improves evaporation efficiency.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, relate to the evaporimeter, in particular to high-efficient scraper blade film evaporator.
Background
The scraper film evaporator is an evaporation type device which utilizes a scraper rotating at a high speed to disperse materials into uniform films so as to concentrate and purify the materials. The scraper film evaporator has outstanding advantages which are incomparable with common evaporators, is widely applied to the industries of chemical industry, pharmacy, environmental protection, food and the like, and brings great economic benefit to industrial production. It has high heat transfer coefficient, high evaporating strength, capacity of vacuum operation and is especially suitable for high boiling point, high viscosity and heat sensitive material.
However, the scraper film evaporator in the prior art still has the problems of incomplete gas-liquid separation, uneven film distribution on the inner wall of the cylinder, unsatisfactory evaporation effect and the like.
Based on the above, the invention designs a high-efficiency scraper film evaporator to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a high-efficient scraper blade film evaporator, liquid distribution is reasonable, and the material film forming is even, can improve the evaporation heat transfer, avoids the secondary steam foam to smuggle secretly, improves evaporation efficiency.
The utility model provides a its technical problem realize through following technical scheme:
a high-efficiency scraper film evaporator is characterized in that: including gear motor, separation chamber, vapour and liquid separator and evaporimeter barrel, the upper end of separation chamber sets up gear motor, the lower extreme of separation chamber is connected vapour and liquid separator, vapour and liquid separator's bottom is connected to the evaporimeter barrel, the coaxial axis of rotation that is provided with in the evaporimeter barrel, the axis of rotation runs through vapour and liquid separator and separation chamber are connected to gear motor's motor shaft tip, liquid distributor and scraper blade have set gradually in the axis of rotation in the evaporimeter barrel, the bottom of evaporimeter barrel is provided with the conical head, the conical head bottom is provided with the concentrated material export, the evaporimeter barrel is located the liquid distributor upper end is provided with the feed inlet, the separator upper end is provided with the gas outlet.
And the gas-liquid separator comprises a support plate, a wire mesh block and a hollow cylinder, the support plate is welded with the rotating shaft, the hollow cylinder is made of a metal wire mesh, the wire mesh block is arranged in the hollow cylinder, and the upper ends of the hollow cylinder and the wire mesh block are connected to the support plate together.
Moreover, the lowermost end of the gas-liquid separator protrudes out of the separation chamber.
And the liquid distributor comprises a material liquid distribution disc and a guide cylinder arranged at the lower end of the material liquid distribution disc, and the diameter of the guide cylinder is larger than that of the material liquid distribution disc.
And, the draft tube outer wall with the evaporimeter barrel inner wall forms annular clearance.
And moreover, the scraper plates are provided with oblique strip grooves at equal proportional intervals, the upper end openings of the oblique strip grooves and the vertical direction of the scraper plates are 30 degrees, the lower end openings and the vertical direction of the scraper plates are 60 degrees, and the large hole directions of the oblique strip grooves and the movement direction of the scraper plates are consistent.
Moreover, the number of the scrapers is several.
And a heating jacket is arranged on the evaporator cylinder, and a steam inlet and a condensed water outlet are arranged on the heating jacket.
Moreover, a support is arranged on the separator.
The utility model discloses an advantage and beneficial effect do:
1. the utility model discloses a high-efficient scraper blade film evaporator, the upper end of separation chamber sets up gear motor, the lower extreme of separation chamber connects vapour and liquid separator, vapour and liquid separator's bottom is connected to the evaporimeter barrel, the coaxial axis of rotation that is provided with in the evaporimeter barrel, the axis of rotation runs through vapour and liquid separator and separation chamber and is connected to gear motor's motor shaft tip, liquid distributor and scraper blade have set gradually in the axis of rotation in the evaporimeter barrel, the bottom of evaporimeter barrel is provided with the toper head, the toper head bottom is provided with the concentrated material export, the evaporimeter barrel is located liquid distributor upper end and is provided with the feed inlet, the separator upper end is provided with the gas outlet, vapour and liquid separator, liquid distributor and scraper blade rotate along with the axis of rotation, make the material that the feed inlet got into can even distribution on evaporimeter barrel wall, improve the film forming uniformity of the feed liquid, prevent crystallization and scaling and improve the evaporation heat transfer coefficient.
2. The utility model discloses high-efficient scraper blade film evaporator, vapour and liquid separator include backup pad, silk screen piece and cavity drum, backup pad and axis of rotation welding, and the cavity drum is made by wire mesh, and the inside silk screen piece that sets up of cavity drum, cavity drum and silk screen piece upper end are connected to the backup pad jointly, and the netted vapour and liquid separator of silk is rotatory along with the axis of rotation, removes the foam efficiently, and anti jam ability reinforce can stop the phenomenon of secondary steam short circuit.
3. The utility model discloses high-efficient scraper blade film evaporator, vapour and liquid separator's the bottom stretches out the separation chamber, can effectively prevent the mist short circuit, prevents that the secondary steam mist from smuggleing secretly.
4. The utility model discloses high-efficient scraper blade film evaporator, liquid distributor include feed liquid distribution dish and set up and the draft tube of feed liquid distribution dish lower extreme, and the diameter of draft tube is greater than feed liquid distribution dish, and the evenly distributed of the liquid of being convenient for improves material film forming uniformity.
5. The utility model discloses high-efficient scraper blade film evaporator, draft tube outer wall with evaporimeter barrel inner wall forms annular gap, also can be with even distribution of feed liquid on evaporimeter barrel inner wall under the great condition of feed volume, and the cloth liquid ability is big, and the operation is stable reliable.
6. The utility model discloses high-efficient scraper blade film evaporator, the equal proportion spaced apart is equipped with the slanted bar slot on the scraper blade, the upper end opening and the vertical direction of scraper blade of slanted bar slot are 30, and the lower extreme opening is 60 with the vertical direction of scraper blade, and the macropore direction of slanted bar slot is unanimous with the direction of motion of scraper blade, and the feed liquid velocity of flow at scraper blade rear increases, and reinforcing feed liquid turbulence, the surface scale deposit is few, improves evaporation side heat transfer coefficient, not only can prevent that the preceding liquid of scraper blade from splashing and "escaping liquid", also can the film-forming when very little flow moreover, guarantees the stability of operation.
7. The utility model discloses high-efficient scraper blade film evaporator, the number of scraper blade is a plurality of, guarantees that different positions homoenergetic on the evaporimeter barrel inner wall can carry out effectual film forming, improves evaporation efficiency.
8. The utility model discloses high-efficient scraper blade film evaporator is provided with the heating jacket on the evaporimeter barrel, and the heating jacket is last to be provided with steam inlet and comdenstion water export, can guarantee gas-liquid quick separation, prevents that the mist foam of secondary steam from smuggleing secretly, guarantees evaporation efficiency.
9. The utility model discloses high-efficient scraper blade film evaporator is provided with the support on the separator, and the installation of the evaporimeter of being convenient for is fixed, improves the operation stability.
10. The utility model has the advantages of being scientific and reasonable in design, liquid distributes rationally, and the material film forming is even, can improve the evaporation heat transfer, avoids the secondary steam mist to smuggle secretly and evaporimeter scale deposit crystallization, improves evaporation efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the gas-liquid separator of the present invention;
FIG. 3 is a schematic structural view of the liquid distributor of the present invention;
fig. 4 is a schematic structural view of the scraper of the present invention.
Description of the reference numerals
1-speed reduction motor, 2-separation chamber, 3-air outlet, 4-support, 5-gas-liquid separator, 51-support plate, 52-silk screen block, 53-hollow cylinder, 6-feed inlet, 7-liquid distributor, 71-distribution disk, 72-guide cylinder, 8-scraper, 81 oblique groove, 9-steam inlet, 10-rotation shaft, 11-heating jacket, 12-condensate outlet, 13-conical seal head, 14-concentrated material outlet, 15-evaporator cylinder and 16-annular gap.
Detailed Description
The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only, and are not intended to be limiting, and the scope of the present invention should not be limited thereby.
The high-efficiency scraper film evaporator is innovative in that: the device comprises a speed reducing motor 1, a separation chamber 2, a gas-liquid separator 5 and an evaporator barrel 15, wherein the speed reducing motor is arranged at the upper end of the separation chamber, the lower end of the separation chamber is connected with the gas-liquid separator, the bottom end of the gas-liquid separator is connected to the evaporator barrel, a rotating shaft 10 is coaxially arranged in the evaporator barrel, the rotating shaft penetrates through the gas-liquid separator and the separation chamber and is connected to the end part of a motor shaft of the speed reducing motor, a liquid distributor 7 and a scraper 8 are sequentially arranged on the rotating shaft in the evaporator barrel, a conical seal head 13 is arranged at the bottom end of the evaporator barrel, a concentrated material outlet 14 is arranged at the bottom end of the conical seal head, a feed inlet 6 is arranged at the upper end of the liquid distributor of the evaporator barrel, an air outlet 3 is arranged at the upper end of, the material that makes the feed inlet get into can be even distribution on the evaporimeter barrel wall, and the scraper blade can be scraped into the film with the feed liquid that distributes on the evaporimeter barrel wall, improves the film forming uniformity of feed liquid, prevents crystallization and scale deposit, improves the evaporation heat transfer coefficient.
The gas-liquid separator comprises a supporting plate 51, a wire mesh block 52 and a hollow cylinder 53, the supporting plate is welded with the rotating shaft, the hollow cylinder is made of a metal wire mesh, the wire mesh block is arranged inside the hollow cylinder, the upper ends of the hollow cylinder and the wire mesh block are connected to the supporting plate together, the wire mesh-shaped gas-liquid separator rotates along with the rotating shaft, the defoaming efficiency is high, the anti-blocking capacity is high, and the phenomenon of short circuit of secondary steam can be avoided.
The lowermost end of the gas-liquid separator extends out of the separation chamber, so that short circuit of spray can be effectively prevented, and entrainment of secondary steam spray is prevented.
The liquid distributor comprises a material liquid distribution disc 71 and a guide cylinder 72 arranged at the lower end of the material liquid distribution disc, and the diameter of the guide cylinder is larger than that of the material liquid distribution disc, so that liquid is uniformly distributed conveniently, and the film forming uniformity of materials is improved.
The annular gap 16 is formed between the outer wall of the guide cylinder and the inner wall of the evaporator cylinder, so that the feed liquid can be uniformly distributed on the inner wall of the evaporator cylinder under the condition of large feeding amount, the liquid distribution capacity is high, and the operation is stable and reliable.
The equal proportion interval of scraper blade is equipped with slash groove 81, the upper end opening and the vertical direction of scraper blade of slash groove are 30, and the lower extreme opening is 60 with the vertical direction of scraper blade, and the macropore direction of slash groove is unanimous with the direction of motion of scraper blade, and the scraper blade rear feed liquid velocity of flow increases, strengthens the feed liquid turbulence, and the surface scale deposit is few, improves evaporation side heat transfer coefficient, not only can prevent that the liquid in front of the scraper blade from splashing and "escaping liquid", also can form the membrane when very little flow moreover, guarantees the stability of operation.
The number of scraper blade is a plurality of, guarantees that different positions homoenergetic on the evaporimeter barrel inner wall can carry out effectual film forming, improves evaporation efficiency.
Be provided with on the evaporimeter barrel and heat jacket 11, heat and be provided with steam inlet 9 and comdenstion water export 12 on the jacket, can guarantee gas-liquid quick separation, prevent that the mist of secondary steam from smuggleing secretly, guarantee evaporation efficiency.
The separator is provided with the support 4, so that the evaporator can be conveniently installed and fixed, and the operation stability is improved.
The utility model discloses a theory of operation does:
the feed liquid entering from the feed inlet 6 is sprayed on the inner wall of the barrel of the evaporator by the liquid distributor 7 driven by the rotating shaft 10, and the feed liquid is uniformly distributed on the barrel wall through the annular gap between the liquid distributor 7 and the inner wall of the barrel under the action of feed pressure; meanwhile, the rotating scraper 8 scrapes the material liquid distributed on the cylinder wall into a film shape, part of the material liquid flows through the inclined groove 81, the groove can prevent the liquid in front of the scraper from splashing and escaping, and the film can be formed at a very small flow rate, the material liquid outlet cross section of the inclined groove 81 is smaller than the inlet cross section, the speed of the material liquid is increased after the material liquid passes through the inclined groove 81, the turbulence degree of the material liquid is increased, the inner wall of the cylinder is kept not to be crystallized and is difficult to scale, and the heat transfer coefficient of the evaporation side is increased; in the heat transfer process of the heating jacket 11, the feed liquid is continuously evaporated, the secondary steam rapidly rises to the separation chamber 2, the gas-liquid separator 5 is driven to rotate by the rotating shaft 10, the gas-liquid separator 5 rotates along with the rotating shaft 10, the mist is fully separated from gas and liquid under the action of centrifugal force, the mist entrained in the secondary steam is thoroughly removed, the secondary steam is discharged from an annular gap between the gas-liquid separator 5 and the separation chamber 2, and finally is discharged out of the evaporator through the exhaust port 3, and meanwhile, the concentrated feed liquid is discharged from a concentrated material outlet 14 of the conical end enclosure 13.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (9)
1. A high-efficiency scraper film evaporator is characterized in that: including gear motor, separation chamber, vapour and liquid separator and evaporimeter barrel, the upper end of separation chamber sets up gear motor, the lower extreme of separation chamber is connected vapour and liquid separator, vapour and liquid separator's bottom is connected to the evaporimeter barrel, the coaxial axis of rotation that is provided with in the evaporimeter barrel, the axis of rotation runs through vapour and liquid separator and separation chamber are connected to gear motor's motor shaft tip, liquid distributor and scraper blade have set gradually in the axis of rotation in the evaporimeter barrel, the bottom of evaporimeter barrel is provided with the conical head, the conical head bottom is provided with the concentrated material export, the evaporimeter barrel is located the liquid distributor upper end is provided with the feed inlet, the separator upper end is provided with the gas outlet.
2. The high efficiency wiped film evaporator of claim 1 wherein: the gas-liquid separator comprises a supporting plate, a wire mesh block and a hollow cylinder, the supporting plate is welded with the rotating shaft, the hollow cylinder is made of a metal wire mesh, the wire mesh block is arranged inside the hollow cylinder, and the upper ends of the hollow cylinder and the wire mesh block are connected to the supporting plate together.
3. The high efficiency wiped film evaporator of claim 1 wherein: the lowest end of the gas-liquid separator extends out of the separation chamber.
4. The high efficiency wiped film evaporator of claim 1 wherein: the liquid distributor comprises a material liquid distribution disc and a guide cylinder arranged at the lower end of the material liquid distribution disc, and the diameter of the guide cylinder is larger than that of the material liquid distribution disc.
5. The high efficiency wiped film evaporator of claim 4 wherein: and an annular gap is formed between the outer wall of the guide cylinder and the inner wall of the evaporator cylinder.
6. The high efficiency wiped film evaporator of claim 1 wherein: the scraper blade is equipped with the slash strip slot in equal proportion interval, the upper end opening of slash strip slot is 30 with the scraper blade vertical direction, and the lower extreme opening is 60 with the scraper blade vertical direction, the macropore direction in slash strip slot with the motion direction of scraper blade is unanimous.
7. The high efficiency wiped film evaporator of claim 1 wherein: the number of the scrapers is a plurality.
8. The high efficiency wiped film evaporator of claim 1 wherein: the evaporator is characterized in that a heating jacket is arranged on the evaporator cylinder, and a steam inlet and a condensed water outlet are arranged on the heating jacket.
9. The high efficiency wiped film evaporator of claim 1 wherein: and a support is arranged on the separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021159963.3U CN213433022U (en) | 2020-06-22 | 2020-06-22 | High-efficient scraper blade film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021159963.3U CN213433022U (en) | 2020-06-22 | 2020-06-22 | High-efficient scraper blade film evaporator |
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| Publication Number | Publication Date |
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| CN213433022U true CN213433022U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021159963.3U Active CN213433022U (en) | 2020-06-22 | 2020-06-22 | High-efficient scraper blade film evaporator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893565A (en) * | 2021-09-23 | 2022-01-07 | 河北华环化工设备制造有限公司 | Efficient corrosion-resistant self-cleaning type scraper evaporator |
-
2020
- 2020-06-22 CN CN202021159963.3U patent/CN213433022U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893565A (en) * | 2021-09-23 | 2022-01-07 | 河北华环化工设备制造有限公司 | Efficient corrosion-resistant self-cleaning type scraper evaporator |
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