CN114748880A - Film scraping device for molecular distiller and film scraping thickness adjusting method - Google Patents
Film scraping device for molecular distiller and film scraping thickness adjusting method Download PDFInfo
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- CN114748880A CN114748880A CN202210454842.9A CN202210454842A CN114748880A CN 114748880 A CN114748880 A CN 114748880A CN 202210454842 A CN202210454842 A CN 202210454842A CN 114748880 A CN114748880 A CN 114748880A
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- 238000007790 scraping Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims abstract description 3
- 238000003825 pressing Methods 0.000 claims description 16
- 210000003734 kidney Anatomy 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000004821 distillation Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000199 molecular distillation Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241001125877 Gobio gobio Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
- B01D1/222—In rotating vessels; vessels with movable parts
- B01D1/223—In rotating vessels; vessels with movable parts containing a rotor
- B01D1/225—In rotating vessels; vessels with movable parts containing a rotor with blades or scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/42—Regulation; Control
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a film scraping device for a molecular distiller, which comprises a transmission shaft, a cross bracket and a scraping plate component; the transmission shaft is a round bar-shaped long shaft, the upper end of the transmission shaft is connected with the speed reducer, and the lower end of the transmission shaft is fixedly connected with the cross bracket along the central point of the cross bracket in the vertical direction; the end of the cross bracket is connected with the vertical scraper bracket through a connecting rod; the scraper support is a cuboid; the upper end and the lower end of the roller are symmetrically and coaxially provided with roller through grooves, and rollers rolling along the horizontal direction are arranged in the roller through grooves; the middle of the scraper bracket is provided with a square scraper groove, and a scraper is fixed inside the scraper groove; the invention also discloses a knifing thickness adjusting method, which adjusts the height of the scraper plate extending out of the scraper groove through a knifing thickness adjusting device, and further adjusts the knifing thickness; the film scraping device disclosed by the invention can adapt to different cylinder wall thicknesses and flexibly adjust the working radius, and meanwhile, an adjusting method is provided, so that the film scraping device does not need to be replaced under different liquid film thickness requirements.
Description
Technical Field
The invention relates to the technical field of machine manufacturing, and mainly relates to a film scraping device for a molecular still and a film scraping thickness adjusting method.
Background
Distillation is a method for separating liquid from liquid in chemical unit operation, and mainly utilizes the principle that the boiling points of all components are different to realize the separation of the components, but many petrochemical products, chemicals and fatty acids, especially some natural products, belong to heat-sensitive substances and are easily damaged in the heating process, so that the separation of the substances is carried out under the boiling points of the substances, and a molecular distiller is used.
The molecular distiller is a device for liquid-liquid separation in a vacuum state, has the characteristics of low distillation temperature, short thermal contact time and the like, and is very suitable for separating high-boiling-point and thermosensitive materials. Through the development of many years, the wiped film type molecular distiller is most widely applied because of the scientific and reasonable structural design. The core technology of the wiped film type molecular distiller lies in material film distribution, the principle is that materials on a heating surface of a cylinder body are scraped into a film through a rotary scraper, and the scraped film is preferably a uniform and consistent film, so that molecules in the materials can escape.
However, in reality, due to the limitations of the manufacturing technology, such as thermal deformation of the used cylinder, concentricity of device components, bearing clearance, mechanical vibration, abrasion and other factors, the clearance between the scraper and the cylinder is not controllable, and in order to avoid scratching the cylinder due to hard contact between the scraper and the cylinder, the clearance between the scraper and the cylinder is only increased, so that the distributed film is an irregular thick film; in addition, the thickness of the membrane should be changed according to different materials in use so as to achieve the best distillation effect, and the device used in reality cannot be flexibly adjusted, which seriously affects the molecular distillation effect. In view of the above, it is urgent to find a film scraping device with uniform film thickness and flexibly adjustable film thickness.
Disclosure of Invention
The invention aims to: aiming at the problems in the prior art, the invention provides a film scraping device for a molecular still and a film scraping thickness adjusting method, which are used for solving the problems that the film distribution of the existing film scraping device is not uniform and consistent, and the film distribution thickness can not be flexibly adjusted.
The technical scheme is as follows: in order to realize the purpose, the invention adopts the technical scheme that:
a film scraping device for a molecular distiller comprises a transmission shaft, a cross-shaped bracket and a scraping plate component; the cross supports are mutually vertical in the horizontal plane, and the transmission shaft is fixedly connected with the cross supports along the center points of the cross supports in the vertical direction; four end heads of the cross-shaped bracket are fixedly connected with the scraper component through connecting rods in the vertical direction; each end of the cross-shaped bracket is provided with a square deep groove along the horizontal axis direction, and the inner side of the deep groove is also provided with a spring hole; the scraper component comprises a connecting rod in the horizontal direction and a scraper bracket in the vertical direction; the connecting rod is inserted into the square deep groove, and the end part of the connecting rod is connected to the inner wall of the spring hole through a spring; the scraper support is a cuboid; the upper end and the lower end of the roller are symmetrically and coaxially provided with roller through grooves, and rollers rolling along the horizontal direction are arranged in the roller through grooves; the middle of the scraper bracket is provided with a square scraper groove, and a scraper is fixed inside the scraper groove.
Furthermore, a plurality of second threaded holes are formed in each scraper support along the inner wall surface, scraper threaded holes are formed in the side surfaces of the scrapers in a matched mode, second bolts are screwed to the bottoms of the second threaded holes in the scraper supports and further screwed into the scraper threaded holes in the side surfaces of the scrapers, the second bolts are screwed and capped, and the scrapers are fixed on the scraper supports.
Furthermore, the outer side of the scraper is arc-shaped, and the scraping liquid level extending out of the scraper bracket is flush with the contact surfaces of the rollers at the upper side and the lower side; the idler wheel is fixedly installed in the idler wheel through groove through a first bolt.
Furthermore, the connecting rod is opened along the horizontal axial direction of perpendicular to has the trunnion hole, and the cross support corresponds the position and is equipped with the kidney slot, and the trunnion passes kidney slot and trunnion hole in proper order, further fixes the scraper blade support through bolted connection.
Further, the outer diameter of the connecting rod is 1mm smaller than the inner diameter of the square deep groove, and the size of the kidney-shaped groove is larger than that of the trunnion.
The film scraping thickness adjusting method based on the film scraping device for the molecular still is characterized in that the film scraping thickness adjusting device is used for adjusting the height of a scraper plate extending out of a scraper groove so as to adjust the film scraping thickness; the film scraping thickness adjusting device comprises a bottom plate in the horizontal direction, a baffle plate is arranged in the direction perpendicular to the bottom plate, and 2 adjusting screws are horizontally arranged on the baffle plate; the bottom plate is also provided with an inverted U-shaped support platform, the upper part of the support platform is used for placing a scraper support, the vertical parts at two sides are respectively provided with a screw hole, two screws are arranged in the direction vertical to the bottom plate, and the outer ring of each screw is sleeved with a pressure plate spring; a pressing plate is sleeved on the pressing plate spring and is fixed along the screw direction through a screw nut; the cross section of the pressure plate is L-shaped and is buckled on the scraper bracket; the bottom plate is also provided with a limiting straight pin for limiting the horizontal movement of the scraper support; the specific adjusting steps comprise:
Step S1, placing the scraper support provided with the rollers and the scrapers on a support table, adjusting the position through a limiting straight pin, tightly attaching the rollers on the upper side and the lower side to the inner side of the baffle, tightly pressing the scraper support through a screw by a pressing plate, rotating a screw nut, and fixing the scraper support;
step S2, screwing the two adjusting screws on the baffle out of the inner baffle surface of the baffle, wherein the horizontal distance between the screwed-out plane and the baffle plane is the thickness required by the liquid film; measuring and adjusting by using a height gauge to ensure that the extending sizes of the two adjusting screws are consistent;
s3, screwing a second bolt on the back of the scraper support to the bottom of a second threaded hole in the scraper, further rotating until the scraper contacts with an adjusting screw, wherein the front cambered surface of the scraper, namely the liquid scraping operation surface, is parallel to the inner baffle surface of the baffle plate, and the distance is the distance extending out of the adjusting screw;
and step S4, removing the scraper support, and installing the scraper component at the end part of the cross support to finish the adjustment.
Has the beneficial effects that:
the film scraping device for the molecular still can meet the film scraping requirements of cylinder walls with different sizes, and the scraper is not in contact with the cylinder body due to the adoption of the design of the rollers at the upper end and the lower end, so that the service life of the scraper is effectively prolonged, meanwhile, the gap between the scraper and the cylinder body is completely controllable, the uniformity of a liquid film is effectively ensured, and the thickness of the liquid film is completely controllable. In addition, an adjusting device special for adjusting the thickness of the wiped film is designed, and an adjusting method is provided, so that the wiped film device does not need to be replaced under the requirement of different liquid film thicknesses.
Drawings
FIG. 1 is a sectional view of a scraper device for a molecular distillation apparatus according to the present invention;
FIG. 2 is an enlarged view of a film scraping device A for the molecular still provided by the invention;
FIG. 3 is a schematic view of the overall structure of a film scraping device for a molecular still provided by the present invention;
FIG. 4 is a top view of a scraper device for a molecular still according to the present invention;
FIG. 5 is a sectional view showing the structure of a scraper member in the film scraping apparatus for a molecular still according to the present invention;
FIG. 6 is a right side view of a scraper member of the film scraping apparatus for a molecular still according to the present invention;
FIG. 7 is a schematic view of a scraper structure of a film scraping device for a molecular still according to the present invention;
FIG. 8 is a top view of a device for adjusting the thickness of a scratch film according to the present invention;
FIG. 9 is a left side view of a device for adjusting the thickness of a scratch film provided by the present invention;
FIG. 10 is a schematic view showing the operation of the device for adjusting the thickness of a scratch film according to the present invention.
Description of reference numerals:
a transmission shaft 1; a cross bracket 2; 2-1 of a square deep groove; a first spring hole 2-2; 2-3 of a kidney-shaped groove; a squeegee holder 3; a connecting rod 3-1; a shaft hole 3-2; a second spring hole 3-3; the roller through grooves are 3-4; a first threaded hole 3-5; 3-6 parts of a scraper groove; a second threaded hole 3-7; a trunnion 4; trunnion nut 4-1; a spring 5; a roller 6; a first bolt 7; a squeegee 8; a scraper threaded hole 8-1; a second bolt 9; a second bolt and cap 9-1; a wiped film thickness adjusting device 10; a base plate 10-1; a baffle 10-2; adjusting screws 10-3; 10-4 of a limiting straight pin; 10-5 of a support stand; 10-6 of a pressing plate; 10-7 parts of a screw; 10-8 parts of screw nut; and 10-9 of a pressure plate spring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention firstly provides a film scraping device for a molecular distiller, which has a specific structure shown in figures 1 and 3 and consists of a transmission shaft 1, a cross-shaped bracket 2 and a scraper component. The cross frame 2 is in a cross shape of a square, and is perpendicular to each other in a horizontal plane as shown in fig. 4. The transmission shaft 1 is a round bar long shaft, the upper end of the transmission shaft is connected with the speed reducer, and the lower end of the transmission shaft is fixedly connected with the cross support along the central point of the cross support 2 in the vertical direction. The cross frame 2 has 4 end heads, and each end head is fixedly connected with the scraper component along the vertical direction through a connecting rod 3-1, as shown in figure 2. The scraper component comprises a connecting rod 3-1 inserted into the end horizontally and a scraper bracket 3 in the vertical direction. Each end of the cross-shaped bracket 2 is inwards provided with a square deep groove 2-1, the top of the square deep groove is inwards provided with a first spring hole 2-2, the connecting rod 3-1 is inserted into the square deep groove 2-1 in a matching way, the end part of the connecting rod is provided with a second spring hole 3-3, and the connecting rod and the end are connected through a spring. In the embodiment, the end is provided with a shaft hole 3-2 along the direction vertical to the connecting rod 3-1, the corresponding end is provided with a kidney-shaped groove 2-3 with the size larger than the shaft hole, and the connecting rod is further fixed along the direction vertical to the connecting rod through a trunnion 4. The distance between the connecting rod and the end can be adjusted in the size of the kidney-shaped groove, and the working radius of the film scraping device is further adjusted.
The main body of the scraper support 3 is a cuboid in the vertical direction, and the concrete structure is as shown in fig. 5-6 and is fixedly connected by a connecting rod 3-1 in the horizontal direction. The upper end and the lower end are symmetrically provided with roller through grooves 3-4. The roller through groove is coaxially provided with first threaded holes 3-5 along the vertical direction, and the roller 6 is fixed inside the roller through groove through a first bolt 7. A long plate-shaped scraper groove 3-6 is also arranged between the through grooves of the upper and lower rollers, and a plurality of second threaded holes 3-7 are uniformly formed on the inner wall of the scraper groove 3-6 from top to bottom.
The scraper 8 has a structure as shown in fig. 7, the main structure is a cuboid matched with the scraper groove 3-6, wherein a scraper threaded hole 8-1 is correspondingly formed on the contact surface with the inner wall of the scraper groove, the outer side of the scraper is in a protruding arc shape, and the scraper surface extending out of the scraper bracket is flush with the contact surfaces of the upper and lower rollers. When the scraper is installed, the second bolt 9 is screwed to the bottom of the second threaded hole in the scraper support, the scraper is further screwed into the scraper threaded hole 8-1 in the side face of the scraper, the second bolt is screwed, the scraper is capped by the second bolt 9-1, and the scraper is fixed on the scraper support. This embodiment is designed with the blade 8 being 0.2mm smaller in width than the blade grooves 3-6, ensuring that the blade can be inserted into the blade groove.
When the film scraping device works, the whole film scraping device is driven to integrally rotate by the rotation of the transmission shaft 1, the upper roller 6 and the lower roller 6 of the scraper support 3 are tightly attached to the inner wall of the cylinder, the scraper 8 is kept parallel to the inner wall of the cylinder, the gap is constant and reliable, and the scraper is free of abrasion, so that the film scraping device does not need to be replaced, and the operation efficiency of the film scraping device is greatly improved. The spring 5 provides the elasticity of laminating barrel inner wall for scraper support 3, it is located the first spring hole 2-2 of cross support 2, in the second spring hole 3-3 of scraper support 3, it is firm reliable, the cuboid overall dimension of 3 back connecting rods of scraper support is 1mm less than the square groove size unilateral of the shape deep trouth of cross support 2 top, the hole size in shaft hole all is 1mm bigger than the axle size of gudgeon on waist-shaped groove and the scraper support back connecting rod on the cross support, make entire system have certain flexibility like this, better adaptation device warp the error that brings, the risk of barrel hard contact and fish tail has been avoided, furthest has protected the safety of barrel.
In order to adjust the thickness of the scraped film of the film scraping device in real time, the invention also provides a film scraping thickness adjusting method, the flexible adjustment of the thickness of the scraped film is realized through a corresponding adjusting device, and a specific film scraping thickness adjusting device 10 is shown in figures 8-9. The device comprises a bottom plate 10-1, a baffle plate 10-2 is arranged along the direction vertical to the bottom plate, and 2 adjusting screws 10-3 are horizontally arranged on the baffle plate. The bottom plate is also provided with an inverted U-shaped support platform 10-5, the upper part of the support platform is used for placing the scraper support 3, the vertical parts at two sides are respectively provided with a screw hole, two screws 10-7 are arranged in the direction vertical to the bottom plate, and the outer ring of each screw is sleeved with a pressure plate spring 10-9. A pressing plate 10-6 is sleeved on the pressing plate spring and is fixed along the screw direction through a screw nut 10-8. The pressing plate spring gives a certain pre-jacking force to the pressing plate 10-6, so that the pressing plate 10-6 is higher than the shell of the scraper support 3 under the non-working condition, and the scraper support 3 is more convenient to assemble and disassemble. The cross section of the pressure plate is L-shaped and is buckled on the side part of the scraper support. When fixed, the right-angled portion is fixed to the base plate in a direction perpendicular to the base plate. The bottom plate is also provided with a limit straight pin 10-4 for limiting the horizontal movement of the scraper support. The installation schematic is shown in fig. 10.
The specific adjusting steps comprise:
And S1, placing the scraper support provided with the rollers and the scrapers on a support table, adjusting the positions through the limiting straight pins, tightly attaching the rollers on the upper side and the lower side to the inner side of the baffle, pressing the scraper support through the pressing plate through the screw, rotating the screw nut, and fixing the scraper support.
And step S2, screwing the two adjusting screws on the baffle out of the inner baffle surface of the baffle, wherein the horizontal distance between the screwed-out plane and the baffle plane is the thickness required by the liquid film. And the height gauge is used for measuring and adjusting, so that the extending sizes of the two adjusting screws are consistent.
And S3, screwing the second bolt on the back of the scraper support to the bottom of the second threaded hole on the scraper, further rotating until the scraper contacts the adjusting screw, wherein the front cambered surface of the scraper, namely the operation surface of the liquid scraping is parallel to the inner baffle surface of the baffle plate, and the distance is the distance extending out of the adjusting screw, and screwing all the second bolts and caps to fix the position of the scraper.
And step S4, removing the scraper support, and installing the scraper component at the end part of the cross support to finish the adjustment.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (6)
1. The film scraping device for the molecular distiller is characterized by comprising a transmission shaft, a cross bracket and a scraping plate component; the cross supports are mutually vertical in the horizontal plane, and the transmission shaft is fixedly connected with the cross supports along the center points of the cross supports in the vertical direction; four end heads of the cross bracket are fixedly connected with the scraper component through connecting rods in the vertical direction; each end of the cross-shaped bracket is provided with a square deep groove along the horizontal axis direction, and the inner side of the deep groove is also provided with a spring hole; the scraper component comprises a connecting rod in the horizontal direction and a scraper bracket in the vertical direction; the connecting rod is inserted into the square deep groove, and the end part of the connecting rod is connected to the inner wall of the spring hole through a spring; the scraper support is a cuboid; the upper end and the lower end of the roller are symmetrically and coaxially provided with roller through grooves, and rollers rolling along the horizontal direction are arranged in the roller through grooves; the middle of the scraper bracket is provided with a square scraper groove, and a scraper is fixed inside the scraper groove.
2. The device of claim 1, wherein each scraper holder is provided with a plurality of second threaded holes along an inner wall surface, the scraper side surfaces are provided with scraper threaded holes, the scraper is further screwed into the scraper threaded holes on the scraper side surfaces by screwing second bolts to bottoms of the second threaded holes on the scraper holder, and the scrapers are fixed to the scraper holders by screwing the second bolts and caps.
3. The film scraping device for the molecular distiller of claim 2, wherein the outer side of the scraper is arc-shaped, and the scraping surface extending out of the scraper bracket is flush with the contact surfaces of the upper and lower rollers; the idler wheel is fixedly installed in the idler wheel through groove through a first bolt.
4. The apparatus according to claim 1, wherein the connecting rod is provided with a trunnion hole along a direction perpendicular to a horizontal axial direction, a kidney-shaped groove is provided at a position corresponding to the cross-shaped bracket, the trunnion sequentially passes through the kidney-shaped groove and the trunnion hole, and the scraper bracket is further fixed by a bolt connection.
5. The apparatus of claim 4, wherein the outer diameter of the connecting rod is 1mm smaller than the inner diameter of the square deep groove, and the size of the kidney groove is larger than that of the trunnion.
6. A wiped film thickness adjusting method based on the wiped film apparatus for a molecular still according to any one of claims 1 to 5, wherein the height of the squeegee extending out of the groove of the squeegee is adjusted by the wiped film thickness adjusting means to adjust the wiped film thickness; the film scraping thickness adjusting device comprises a bottom plate in the horizontal direction, a baffle plate is arranged in the direction perpendicular to the bottom plate, and 2 adjusting screws are horizontally arranged on the baffle plate; the bottom plate is also provided with an inverted U-shaped support platform, the upper part of the support platform is used for placing a scraper plate support, vertical parts on two sides are respectively provided with a screw hole, two screws are arranged in a direction vertical to the bottom plate, and a pressure plate spring is sleeved on the outer ring of each screw; a pressing plate is sleeved on the pressing plate spring and fixed along the screw direction through a screw nut; the cross section of the pressure plate is L-shaped and is buckled on the scraper bracket; the bottom plate is also provided with a limiting straight pin for limiting the horizontal movement of the scraper support; the specific adjusting steps comprise:
Step S1, placing the scraper support provided with the rollers and the scrapers on a support table, adjusting the position through a limiting straight pin, tightly attaching the rollers on the upper side and the lower side to the inner side of the baffle, tightly pressing the scraper support through a screw by a pressing plate, rotating a screw nut, and fixing the scraper support;
step S2, screwing the two adjusting screws on the baffle out of the inner baffle surface of the baffle, wherein the horizontal distance between the screwed-out plane and the baffle plane is the thickness required by the liquid film; measuring and adjusting by using a height gauge to ensure that the extending sizes of the two adjusting screws are consistent;
s3, screwing a second bolt on the back of the scraper support to the bottom of a second threaded hole in the scraper, further rotating until the scraper contacts with an adjusting screw, wherein the front cambered surface of the scraper, namely the liquid scraping operation surface, is parallel to the inner baffle surface of the baffle plate, and the distance is the distance extending out of the adjusting screw;
and step S4, removing the scraper support, and installing the scraper component at the end part of the cross support to finish the adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210454842.9A CN114748880B (en) | 2022-04-24 | 2022-04-24 | Film scraping device for molecular distiller and film scraping thickness adjusting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210454842.9A CN114748880B (en) | 2022-04-24 | 2022-04-24 | Film scraping device for molecular distiller and film scraping thickness adjusting method |
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| CN114748880A true CN114748880A (en) | 2022-07-15 |
| CN114748880B CN114748880B (en) | 2023-12-15 |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203492688U (en) * | 2013-09-28 | 2014-03-26 | 云南东恒经贸集团食品有限公司 | Novel pigskin oil scraper device |
| CN206597328U (en) * | 2017-03-09 | 2017-10-31 | 上海中真润滑油有限公司 | A kind of molecular still adjustable scrapping plate |
| CN208345104U (en) * | 2018-06-13 | 2019-01-08 | 湖南中烟工业有限责任公司 | A kind of tobacco leaching stalk machine scraper adjustment device |
| CN209022592U (en) * | 2018-08-29 | 2019-06-25 | 昆山兑印机械有限公司 | A kind of novel scraper for screen process press |
| CN210098111U (en) * | 2019-05-24 | 2020-02-21 | 武汉比邻科技发展有限公司 | Laboratory is with adjustable knifing ware of thickness |
| CN211193016U (en) * | 2019-12-28 | 2020-08-07 | 河南启欧通用机械有限公司 | Multifunctional positioning tool for positioning and processing scraper of mining scraper conveyor |
| CN211245553U (en) * | 2019-11-26 | 2020-08-14 | 无锡嘉宪石化装备有限公司 | Centrifugal scraper type film evaporator |
| CN212680093U (en) * | 2020-04-28 | 2021-03-12 | 无锡市锡山雪浪化工设备有限公司 | Movable scraper adjusting device of film evaporator |
| CN212941526U (en) * | 2020-06-23 | 2021-04-13 | 江苏越红生物科技有限公司 | Vitamin E solution molecular distillation device |
| CN112704893A (en) * | 2021-01-04 | 2021-04-27 | 安徽金禾实业股份有限公司 | Molecular distiller with scraper |
| CN112755556A (en) * | 2021-01-06 | 2021-05-07 | 扬州大学 | Wiped film evaporator and using method thereof |
| KR20210130026A (en) * | 2020-04-21 | 2021-10-29 | 주식회사 와이에스에이치 | Thin film evaporator for high temperature evaporation |
| CN215136948U (en) * | 2021-07-08 | 2021-12-14 | 南通宏洋化工有限公司 | Film evaporator |
-
2022
- 2022-04-24 CN CN202210454842.9A patent/CN114748880B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203492688U (en) * | 2013-09-28 | 2014-03-26 | 云南东恒经贸集团食品有限公司 | Novel pigskin oil scraper device |
| CN206597328U (en) * | 2017-03-09 | 2017-10-31 | 上海中真润滑油有限公司 | A kind of molecular still adjustable scrapping plate |
| CN208345104U (en) * | 2018-06-13 | 2019-01-08 | 湖南中烟工业有限责任公司 | A kind of tobacco leaching stalk machine scraper adjustment device |
| CN209022592U (en) * | 2018-08-29 | 2019-06-25 | 昆山兑印机械有限公司 | A kind of novel scraper for screen process press |
| CN210098111U (en) * | 2019-05-24 | 2020-02-21 | 武汉比邻科技发展有限公司 | Laboratory is with adjustable knifing ware of thickness |
| CN211245553U (en) * | 2019-11-26 | 2020-08-14 | 无锡嘉宪石化装备有限公司 | Centrifugal scraper type film evaporator |
| CN211193016U (en) * | 2019-12-28 | 2020-08-07 | 河南启欧通用机械有限公司 | Multifunctional positioning tool for positioning and processing scraper of mining scraper conveyor |
| KR20210130026A (en) * | 2020-04-21 | 2021-10-29 | 주식회사 와이에스에이치 | Thin film evaporator for high temperature evaporation |
| CN212680093U (en) * | 2020-04-28 | 2021-03-12 | 无锡市锡山雪浪化工设备有限公司 | Movable scraper adjusting device of film evaporator |
| CN212941526U (en) * | 2020-06-23 | 2021-04-13 | 江苏越红生物科技有限公司 | Vitamin E solution molecular distillation device |
| CN112704893A (en) * | 2021-01-04 | 2021-04-27 | 安徽金禾实业股份有限公司 | Molecular distiller with scraper |
| CN112755556A (en) * | 2021-01-06 | 2021-05-07 | 扬州大学 | Wiped film evaporator and using method thereof |
| CN215136948U (en) * | 2021-07-08 | 2021-12-14 | 南通宏洋化工有限公司 | Film evaporator |
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