CN111330300A - Wall scraping type multipurpose machine for continuous evaporation, crystallization, drying and reaction - Google Patents

Wall scraping type multipurpose machine for continuous evaporation, crystallization, drying and reaction Download PDF

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Publication number
CN111330300A
CN111330300A CN202010143294.9A CN202010143294A CN111330300A CN 111330300 A CN111330300 A CN 111330300A CN 202010143294 A CN202010143294 A CN 202010143294A CN 111330300 A CN111330300 A CN 111330300A
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China
Prior art keywords
hollow
long shaft
horizontal long
crystallization
drying
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Pending
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CN202010143294.9A
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Chinese (zh)
Inventor
过志昌
过常乐
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Shanghai Xunchang Research Institute Of Chemical Equipment Technology
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Shanghai Xunchang Research Institute Of Chemical Equipment Technology
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Priority to CN202010143294.9A priority Critical patent/CN111330300A/en
Publication of CN111330300A publication Critical patent/CN111330300A/en
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/0011—Heating features
    • B01D1/0041—Use of fluids
    • B01D1/0052—Use of a liquid transfer medium or intermediate fluid, e.g. bain-marie
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/30—Accessories for evaporators ; Constructional details thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006—Controlling or regulating processes
    • B01J19/0013—Controlling the temperature of the process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
    • F26B17/20—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/001—Handling, e.g. loading or unloading arrangements
    • F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/04—Agitating, stirring, or scraping devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • B01J2219/00085—Plates; Jackets; Cylinders

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The invention discloses a wall-scraping type multipurpose machine for continuous evaporation, crystallization, drying and reaction, wherein a shell of the wall-scraping type multipurpose machine consists of a horizontal long cylinder, a left end cover, a right end cover, an upper rectangular groove body and a top cover, so as to form a sealed container; a hollow long shaft penetrates through the left end cover and the right end cover in the middle of the horizontal long cylinder and is respectively connected with the rotary sealing device, a plurality of hollow discs which are communicated with the hollow long shaft and can rotate together are uniformly arranged on the hollow long shaft, the inside of the hollow long shaft is partitioned in the middle of the hollow long shaft, and a cold/heat medium inlet and a cold/heat medium outlet are respectively arranged on the left rotary sealing device and the right rotary sealing device; a push type stirring scraper is arranged on the hollow disc close to the inner wall of the horizontal long cylinder. The invention can efficiently realize continuous evaporation, crystallization, drying and reaction operation of slurry.

Description

Wall scraping type multipurpose machine for continuous evaporation, crystallization, drying and reaction
Technical Field
The invention relates to a multi-purpose machine for continuous evaporation, crystallization, drying and reaction of chemical and fine chemicals, medicines, foods and the like in large batch, which is used for continuous evaporation concentration, continuous evaporation/cooling crystallization, continuous evaporation drying and continuous reaction.
Background
As is well known, evaporative concentration, cooling crystallization, evaporative drying and continuous reaction of materials are very important unit operations in the industries of medicine, chemical industry, food and the like, and the quality of equipment in the process directly influences the yield and the quality of products.
At present, kettle type evaporation, crystallization, drying, reaction and the like are used most in China, the operation is intermittent, the efficiency is low, the labor intensity is high, the energy consumption is high, and equipment for continuous evaporation concentration, continuous evaporation crystallization or continuous cooling crystallization, continuous evaporation drying and continuous reaction is still few. For kettle type equipment, once crystals form on the cooling surface, even the thinnest can affect the cooling effect. This is not particularly true in the case of gap operations, where the next hot crystalline material is added to dissolve the layer of crystals, but in the case of continuous crystallization this is particularly true because the thicker the crystals on the cooling surface, the more they will be deposited and thus not removed, and the cooling effect is severely affected. It is a major goal of the skilled person to improve this type of device.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a wall scraping type multipurpose machine for continuous evaporation, crystallization, drying and reaction.
One technical scheme for achieving the above purpose is as follows: the utility model provides a scrape continuous evaporation of wall formula, crystallization, drying and reaction multipurpose machine, its casing comprises horizontal long cylinder (9), left end lid (6), right-hand member lid (21), upper portion rectangle cell body (32) and top cap (20), forms a sealed container, its characterized in that:
two sections of separated jackets, namely a left jacket (11) and a right jacket (14), are symmetrically arranged outside the horizontal long cylinder (9), a flow guide rib plate is arranged in any section of jacket, and a supporting frame (10) is arranged at the lower part of the jacket;
a hollow long shaft (8) is arranged in the middle of the horizontal long cylinder (9) and penetrates through the left end cover (6) and the right end cover (21), the left end of the horizontal long cylinder is connected with the left rotary sealing device (1), the right end of the horizontal long cylinder is connected with the right rotary sealing device (31), a plurality of hollow discs (17) which are communicated with the horizontal long shaft and can rotate together are uniformly arranged on the horizontal long shaft, the inside of the hollow long shaft (8) is partitioned in the middle of the horizontal long shaft, so that the left part of the hollow long shaft (8) is communicated with the inner cavity of the hollow disc (17) on the left side and the right part of the hollow long shaft (8) is communicated with the inner cavity of the hollow disc (17) on the right side respectively, and a cold/hot medium inlet and a cold/hot medium outlet are arranged;
one or more push type stirring scrapers (16) are arranged on the hollow disc (17) close to the inner wall of the horizontal long cylinder (9).
Furthermore, the horizontal type long cylinder structure further comprises a left flange (7), a right flange (22) and a square flange (23), the horizontal type long cylinder (9) is connected with the left flange (7) and the right flange (22) in a welding mode, the left end cover (6) is connected with the left flange (7) through a bolt and a nut (5), the right end cover (21) is connected with the right flange (22) through a bolt and a nut (25), the upper rectangular groove body (32) is connected with the horizontal type long cylinder (9) and the square flange (23) in a welding mode, and the square flange (23) is connected with the top cover (20) through a bolt and a nut.
Furthermore, a left end bearing support (3) of the hollow long shaft (8) is directly connected with the left end cover (6), a right end bearing support (28) is directly connected with the right end cover (21), the speed reducer (30) is directly connected with the right end bearing support (28), the motor (29) is directly connected with the speed reducer (30), a left end bearing support device (2) and the shaft seal device (4) of the hollow long shaft (8) are installed in the left end bearing support (3), a right end bearing support device (27) and the shaft seal device (26) of the hollow long shaft (8) are installed in the right end bearing support (28), and the hollow long shaft (8) is driven by the motor (29) and the speed reducer (30) to rotate.
Furthermore, the push type stirring scraper (16) is arranged in a certain inclined angle towards the left discharge hole c of the horizontal long cylinder (9) in the rotating direction, and the included angle between the plane of the knife surface of the push type stirring scraper (16) and the plane of the hollow disc (17) is 0-90 degrees.
Furthermore, scrapers (18) are arranged between any two adjacent hollow disks (17), on the left side of the leftmost hollow disk (17) and on the right side of the rightmost hollow disk (17), the scrapers (18) are close to the circular plane of the hollow disks (17) and the outer circular surface of the hollow long shaft (8) to achieve the wall scraping and cleaning effects, and all the scrapers (18) are connected to the top cover (20) through scraper connecting devices (19).
Furthermore, an exhaust port, a vacuum pumping port and a feeding port are arranged on the top cover (20), an overflow outlet is arranged in the lateral direction of the horizontal long cylinder (9), a dry material outlet is arranged at the bottom of the horizontal long cylinder (9), a dead-angle-free valve (13) and a dead-angle-free outlet are arranged at the drain port, and a jacket inlet and a jacket outlet are respectively arranged on the left jacket (11) and the right jacket (14).
The wall-scraping type multipurpose machine for continuous evaporation, crystallization, drying and reaction is provided with two sets of cold/heat medium heat exchange systems inside and outside the jacket, the hollow long shaft and the hollow disc, and the internal or external heat exchange systems are divided into two independent sets of left and right cold/heat medium heat exchange systems by taking the middle part of the horizontal long cylinder as a boundary, so that cold/heat media can be respectively introduced, the uniformity and stability of heat exchange in different areas of the equipment are ensured, and energy conservation and reduction can be achieved by introducing different cooling media. The hollow disc brings the slurry in the equipment to the upper evaporation space to form film evaporation, and the evaporation efficiency is high. The push-in stirring scraper is not only scraped the wall to equipment inner wall and is made the crystallization material be unlikely to adhere to equipment inner wall outside, still constantly makes more and more concentrated material impel to middle part row clean mouthful direction, finally realizes that the material is discharged from row clean mouthful, realizes the continuous evaporative concentration to the material.
Drawings
FIG. 1 is a front sectional view of a multi-purpose machine for continuous wall-scraped evaporation, crystallization, drying and reaction according to the present invention;
FIG. 2 is a left side sectional view of a scraped wall continuous evaporation, crystallization, drying and reaction multi-purpose machine of the present invention.
Detailed Description
In order to better understand the technical solution of the present invention, the following detailed description is made by specific examples:
referring to FIGS. 1 and 2, there is shown a schematic structural view of the multi-purpose scraped wall continuous evaporation, crystallization, drying and reaction apparatus of the present invention. The shell of the device consists of a horizontal long cylinder 9, a left end cover 6, a right end cover 21, an upper rectangular groove body 32, a top cover 20, a left flange 7, a right flange 22 and a square flange 23, and a sealed container is formed. The horizontal long cylinder 9 is connected with the left flange 7 and the right flange 22 in a welding mode, the left end cover 6 is connected with the left flange 7 through the bolt and nut 5, the right end cover 21 is connected with the right flange 22 through the bolt and nut 25, the upper rectangular groove 32 is connected with the horizontal long cylinder 9 and the square flange 23 in a welding mode, and the square flange 23 is connected with the top cover 20 through the bolt and nut 24.
Two sections of separated jackets are symmetrically arranged outside the horizontal long cylinder 9, namely a left jacket 11 and a right jacket 14, a flow guide rib plate 12 is arranged in the left jacket 11, a flow guide rib plate 15 is arranged in the right jacket, and a supporting frame 10 is arranged at the lower part of the jacket.
The middle part of the horizontal long cylinder 9 is provided with a hollow long shaft 8 which passes through a left end cover 6 and a right end cover 21, the left end of the horizontal long cylinder is connected with the left rotary sealing device 1, the right end of the horizontal long cylinder is connected with the right rotary sealing device 31, a plurality of hollow discs 17 which are communicated with the horizontal long shaft and can rotate together are uniformly arranged on the horizontal long shaft, the middle part of the horizontal long shaft 8 is partitioned, the left part of the horizontal long shaft 8 is communicated with the inner cavity of the hollow disc 17 on the left side, the right part of the horizontal long shaft 8 is communicated with the inner cavity of the hollow disc 17 on the right side, and the left rotary sealing device 1 and the right rotary sealing device 31 are respectively provided with cold/heat medium inlets a and g and.
A push type stirring scraper 16 is arranged on the hollow disc 17 close to the inner wall of the approximately horizontal long cylinder 9. The push type stirring scraper 16 is arranged in a rotating direction at a certain angle in a direction towards the left discharge port c of the horizontal long cylinder 9, so that the material is pushed towards the left discharge port of the horizontal long cylinder 9 while scraping the wall, and the material is convenient to discharge. The included angle between the plane of the blade surface of the push type stirring scraper 16 and the plane of the hollow disc 17 is 0-90 degrees.
The left end bearing support 3 of the hollow long shaft 8 is directly connected with the left end cover 6, the right end bearing support 28 is directly connected with the right end cover 21, the speed reducer 30 is directly connected with the right end bearing support 28, the motor 29 is directly connected with the speed reducer 30, the left end bearing support 2 and the shaft seal device 4 of the hollow long shaft 8 are installed in the left end bearing support 3, the right end bearing support 27 and the shaft seal device 26 of the hollow long shaft 8 are installed in the right end bearing support 28, and the hollow long shaft 8 is driven by the motor 29 and the speed reducer 30 to rotate.
Scrapers 18 are arranged between any two adjacent hollow disks 17, on the left side of the leftmost hollow disk 17 and on the right side of the rightmost hollow disk 17, the scrapers 18 are close to the end faces of the hollow disks 17 and the side faces of the hollow long shaft 8, and all the scrapers 18 are connected to a top cover 20 through scraper connecting devices 19. The scraper 18 is kept relatively still with the hollow disc 17 and the hollow long shaft 8, and when the hollow long shaft 8 drives the hollow disc 17 to rotate, the scraper 18 generates a wall scraping effect on the end face of the hollow disc 17 and the side face of the hollow long shaft 8, and crystals attached to the surface are scraped.
An exhaust port d, a vacuumizing port e and a feeding port f are arranged on the top cover 20, an overflow outlet c is arranged in the lateral direction of the horizontal long cylinder 9, a dry material outlet n is arranged at the bottom of the horizontal long cylinder 9, a dead-angle-free valve 13 and an outlet k are arranged at a drain port, a jacket inlet m and a jacket outlet l are arranged on the left jacket 11, and a jacket inlet i and a jacket outlet j are arranged on the right jacket 14.
The application scene one: the multi-purpose machine for continuous wall-scraping evaporation, crystallization, drying and reaction is applied to continuous evaporation concentration.
Closing the discharge port n and the exhaust port d, continuously adding thinner slurry to be evaporated and concentrated from the port f, introducing a heat medium into the port a of the left-end rotary sealing device 1, and discharging the heat medium from the port b of the left-end rotary sealing device 1 after internal circulation, wherein the heat medium passes through the left end of the hollow long shaft 8 and enters all hollow discs 17 at the left end due to the partition of the hollow long shaft 8 in the middle; introducing a heat medium into the port g of the right rotary sealing device 31, wherein the heat medium passes through the right end of the hollow long shaft 8 and enters all the hollow discs 17 at the right end, and is discharged from the port h of the right rotary sealing device 31 after internal circulation; meanwhile, heating media are introduced into the jackets 11 and 14 outside the horizontal long cylinder 9 through the inlets and outlets i, j, l and m. So that the hollow long shaft 8, all the hollow discs 17 and the jackets 11 and 14 heat and evaporate the materials, the evaporated steam or gas is discharged from the top exhaust port e, the materials are evaporated under normal pressure, or the vacuum is pumped at the exhaust port e to evaporate the materials under high vacuum, when the feeding evaporation is started, the starting motor 29 and the speed reducer 30 drive the hollow long shaft 8 and all the hollow discs 17 to rotate, the hollow discs continuously bring the slurry in the horizontal long cylinder 9 to the upper evaporation space through rotation to form thin film evaporation on the surfaces of the discs, the evaporation efficiency is very high, meanwhile, the push type stirring scraper 16 arranged on the hollow disc 17 continuously pushes more and more concentrated materials to the discharge hole, and the materials finally reaching the required evaporation concentration are discharged from the discharge hole c in an overflowing manner, so that the continuous evaporation concentration of the materials is realized, and the stirring scraper 16 also plays a wall scraping role on the inner wall of the horizontal long cylinder 9. For some materials with larger viscosity or materials which are easy to stick to the wall on the heating surface, the scraper connecting device 19 and the scraper 18 are arranged, so that the heating evaporation surfaces of all the hollow discs 17 and the outer surface of the hollow long shaft 8 can be scraped to remove the wall, and the heat transfer coefficient and the evaporation efficiency are improved. The dead-angle-free valve 13 at the drain port is mainly used for draining residual materials in the equipment after operation is finished.
Application scenario two: the multi-purpose machine of the invention is used for continuous evaporative crystallization and continuous cooling crystallization.
When the invention is used for continuous evaporative crystallization, the process operation process of the machine is the same as the application scenario.
When the invention is used for continuous cooling crystallization, the technological operation process is similar to the application scene one, but cooling media are all introduced into the hollow long shaft 8, all the hollow discs 17 and the jackets 11 and 14, because the hollow long shaft 8 is separated in the middle, one cooling medium can be introduced into the hollow long shaft 8 at the left side, all the hollow discs 17 at the left side and the jacket 11, and another cooling medium can be introduced into the hollow long shaft 8 at the right side, all the hollow discs 17 at the right side and the jacket 14, so that low-energy-consumption cooling circulating water and high-energy-consumption cooling agents can be respectively introduced according to requirements, thereby greatly saving energy consumption and improving cooling effect.
Application scenario three: the multi-purpose machine for continuous evaporation, crystallization, drying and reaction with wall scraping is used for continuous drying.
When the continuous drying device is used for continuous drying, the technological operation process is similar to the application scene I, wet materials are continuously added from the feeding port f, the push type stirring scraper 16 arranged on the hollow disc 17 can continuously push the wet materials and the dry materials to the discharging direction, and finally the dried dry materials are discharged from the discharging port n, so that the continuous heating and drying of the materials are realized.
And an application scene four: the multi-purpose machine for continuous evaporation, crystallization, drying and reaction of the invention is used for continuous reaction.
When the invention is used for continuous reaction, the technological operation process is similar to the application scene one, one or more materials are continuously added from the feed inlet f, the push type stirring scraper 16 arranged on the hollow disc 17 can continuously mix and react a plurality of different solid or liquid materials and continuously push the solid or liquid materials to the discharge direction, and finally the reacted materials are overflowed and discharged from the discharge outlet c, so that the continuous reaction of the materials is realized. When the reaction is exothermic and the materials need to be cooled, cooling media can be introduced into the hollow long shaft 8, the rotary hollow disc 17 and the jackets 11 and 14 to cool the reaction materials; when the reaction is endothermic and needs to heat the materials and carry out the reaction at a certain temperature, heating media can be introduced into the hollow long shaft 8, the rotating hollow disc 17 and the jackets 11 and 14 to heat the reaction materials.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims (6)

1. The utility model provides a scrape continuous evaporation of wall formula, crystallization, drying and reaction multipurpose machine, its casing comprises horizontal long cylinder (9), left end lid (6), right-hand member lid (21), upper portion rectangle cell body (32) and top cap (20), forms a sealed container, its characterized in that:
two sections of separated jackets, namely a left jacket (11) and a right jacket (14), are symmetrically arranged outside the horizontal long cylinder (9), a flow guide rib plate is arranged in any section of jacket, and a supporting frame (10) is arranged at the lower part of the jacket;
a hollow long shaft (8) is arranged in the middle of the horizontal long cylinder (9) and penetrates through the left end cover (6) and the right end cover (21), the left end of the horizontal long cylinder is connected with the left rotary sealing device (1), the right end of the horizontal long cylinder is connected with the right rotary sealing device (31), a plurality of hollow discs (17) which are communicated with the horizontal long shaft and can rotate together are uniformly arranged on the horizontal long shaft, the inside of the hollow long shaft (8) is partitioned in the middle of the horizontal long shaft, so that the left part of the hollow long shaft (8) is communicated with the inner cavity of the hollow disc (17) on the left side and the right part of the hollow long shaft (8) is communicated with the inner cavity of the hollow disc (17) on the right side respectively, and a cold/hot medium inlet and a cold/hot medium outlet are arranged;
one or more push type stirring scrapers (16) are arranged on the hollow disc (17) close to the inner wall of the horizontal long cylinder (9).
2. The multi-purpose machine for scraped wall type continuous evaporation, crystallization, drying and reaction according to claim 1, further comprising a left flange (7), a right flange (22) and a square flange (23), wherein the horizontal long cylinder (9) is connected with the left flange (7) and the right flange (22) in a welding manner, the left end cover (6) is connected with the left flange (7) through a bolt and nut (5), the right end cover (21) is connected with the right flange (22) through a bolt and nut (25), the upper rectangular groove body (32) is connected with the horizontal long cylinder (9) and the square flange (23) in a welding manner, and the square flange (23) is connected with the top cover (20) through a bolt and nut.
3. The multi-purpose machine for scraped wall continuous evaporation, crystallization, drying and reaction according to claim 1, wherein the left end support frame (3) of the hollow long shaft (8) is directly connected to the left end cap (6), the right end support frame (28) is directly connected to the right end cap (21), the speed reducer (30) is directly connected to the right end support frame (28), the motor (29) is directly connected to the speed reducer (30), the left end bearing support device (2) and the shaft seal device (4) of the hollow long shaft (8) are installed in the left end support frame (3), the right end bearing support device (27) and the shaft seal device (26) of the hollow long shaft (8) are installed in the right end support frame (28), and the hollow long shaft (8) is driven to rotate by the motor (29) and the speed reducer (30).
4. The multi-purpose machine for scraped-wall continuous evaporation, crystallization, drying and reaction of claim 1, wherein the propelled stirring scraper (16) is disposed at an angle inclined in the direction of rotation toward the left discharge port c of the horizontal long cylinder (9), and the angle between the plane of the blade face of the propelled stirring scraper (16) and the plane of the hollow disc (17) is 0 to 90 degrees.
5. A multi-purpose machine for continuous evaporation, crystallization, drying and reaction with wall scraping according to any one of claims 1, 2, 3 or 4, characterized in that scrapers (18) are arranged between any two adjacent hollow discs (17), at the left side of the leftmost hollow disc (17) and at the right side of the rightmost hollow disc (17), the scrapers (18) are close to the circular plane of the hollow discs (17) and the outer circular surface of the long hollow shaft (8) to scrape the wall and clean the wall, and all the scrapers (18) are connected to the top cover (20) through a scraper connecting device (19).
6. The multi-purpose machine for scraped wall continuous evaporation, crystallization, drying and reaction according to claim 5, characterized in that the top cover (20) is provided with an exhaust port, a vacuum pumping port and a charging port, the side of the horizontal long cylinder (9) is provided with an overflow outlet, the bottom of the horizontal long cylinder (9) is provided with a dry material outlet, the exhaust port has no dead angle valve (13) and no outlet, and the left jacket (11) and the right jacket (14) are respectively provided with a jacket inlet and a jacket outlet.
CN202010143294.9A 2020-03-04 2020-03-04 Wall scraping type multipurpose machine for continuous evaporation, crystallization, drying and reaction Pending CN111330300A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010143294.9A CN111330300A (en) 2020-03-04 2020-03-04 Wall scraping type multipurpose machine for continuous evaporation, crystallization, drying and reaction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010143294.9A CN111330300A (en) 2020-03-04 2020-03-04 Wall scraping type multipurpose machine for continuous evaporation, crystallization, drying and reaction

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CN111330300A true CN111330300A (en) 2020-06-26

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Application publication date: 20200626