CN113002829B - Continuous gravity film easy-to-clean centrifugal discharge disc - Google Patents
Continuous gravity film easy-to-clean centrifugal discharge disc Download PDFInfo
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- CN113002829B CN113002829B CN202110317618.0A CN202110317618A CN113002829B CN 113002829 B CN113002829 B CN 113002829B CN 202110317618 A CN202110317618 A CN 202110317618A CN 113002829 B CN113002829 B CN 113002829B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/22—Defoaming liquids in connection with filling
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Abstract
The invention provides a continuous gravity film easy-cleaning centrifugal discharge disc which comprises a connecting shaft sleeve, a discharge bottom plate, a raw material bin annular plate, a primary gravity film bin annular plate, a secondary gravity film bin annular plate and a distribution discharge plate. Adopt the row material tray of this application, at the continuous degasification in-process of thick liquids, through rotatory centrifugal gravity's reciprocal change, reciprocal film-forming back vacuum gravity continuous deaeration many times, obviously increase degasification effect, promote degassing efficiency. Simultaneously, based on the row material tray structure after the improvement, under vacuum environment, can directly be used for among the current vacuum defoamation deaerator to current top blanking pipe is the source, keeps current top feeding mode unchangeable, realizes that thick liquids arrange the material from row material tray lower surface.
Description
Technical Field
The application relates to the field of vacuum film degassing, in particular to a continuous gravity film easy-to-clean centrifugal discharge disc. More specifically, the application provides a distribution tray structure of a slurry bubble continuous separation device, in particular to a film-forming, discharging, distributing and discharging tray for multiple times of film-forming, discharging and bubble separation in a continuous defoaming process in a closed cavity.
Background
In the fields of fine chemistry industry, electronic industry, battery industry, novel material preparation and the like, raw materials subjected to stirring or pretreatment can be finally canned or applied to subsequent production only by separating internal bubbles. In order to meet the requirement of continuous degassing, the inventor previously applied an online continuous degassing device (application number: CN 201110451094.0), which comprises a vacuum cavity, a transmission main shaft driven by a motor and extended into the vacuum cavity, and a cup holder driven by the transmission main shaft in the vacuum cavity, and is characterized in that a cup cover is connected with a cup opening of the cup holder, a cover hole is arranged on the cup cover, a feed pipe penetrates through the vacuum cavity and the cover hole and extends into the cup holder, a discharge pipe penetrates through the vacuum cavity and the cover hole and extends into the cup holder, and a gas phase discharge pipe connected with a suction pump extends into the vacuum cavity. The invention realizes continuous feeding, discharging and exhausting by arranging the feeding pipe and the discharging pipe which extend into the cup stand and the gas phase discharging pipe which extends into the vacuum cavity, thereby forming online continuous degassing.
Meanwhile, related devices for online vacuum defoaming are also disclosed in the prior art. For example, chinese patent application CN201711236021.3 discloses an online vacuum defoaming device, which comprises a tank body, wherein a feed inlet and a vacuum port for generating vacuum negative pressure in the tank body are arranged in the tank body; a dispersion disc is arranged in the tank body, the feed inlet is connected into the dispersion disc through a guide pipe, the dispersion disc is fixedly connected with a main shaft, the main shaft is connected with a rotating shaft of a motor through a coupler, and the motor drives the main shaft to rotate; the bottom of the tank body forms a discharge hole, a discharge valve is installed in the discharge hole, and the discharge valve is communicated with the screw pump. This device during operation, the material passes through the feed inlet and gets into, utilizes the honeycomb duct to carry to the dispersion impeller, and rotation through the motor drives the high-speed rotation of dispersion impeller, produces great centrifugal force for the material is thrown away from the dispersion impeller and is strikeed the barrel wall in the striking, and the material is thrown away forms the one deck film in the twinkling of an eye, with the help of the vacuum negative pressure that the vacuum mouth produced, makes the bubble broken by breaking up, carries out the deaeration and handles, and the material flows to the tank bottoms along interior barrel wall at last.
Chinese patent application CN201621403866.8 discloses a continuous vacuum deaeration deaerator, which comprises an outer cylinder umbrella-shaped design, an opening and closing mechanism of an outer cylinder cover, an observation hole is arranged at the front end of the outer cylinder cover, a motor is fixed at the center of the outer cylinder cover through a connecting flange, a feed inlet is arranged beside the motor, a differential pressure type liquid level sensor is arranged on the side surface of the bottom of the outer cylinder, and a rotary drum adopts a combined structure. The outer barrel cover opening and closing mechanism comprises an outer barrel cover and a connecting arm which are connected through a bolt, a rotating shaft penetrates through the connecting arm, bearing seat supports are fixed at two ends of the rotating shaft and connected with a transition plate through the bolt, the transition plate is connected with a supporting plate through the bolt, and the supporting plate is welded on the outer barrel wall. The combined type rotary drum is formed by combining an inner rotary drum and an outer rotary drum through bolts.
Disclosure of Invention
The study found that in both the chinese patent application CN201711236021.3 and the chinese patent application CN201621403866.8, the slurry was fed from above and thrown off from the upper surface of the dispersion plate. In some circumstances, it is desirable to throw the slurry off the lower surface; for this purpose, the whole equipment can be inverted and fed from below, but the whole equipment is not simply inverted, and needs to be adjusted accordingly, and may cause new problems. Aiming at the problem, the inventor finds out after research that the corresponding requirements can be met by improving the discharge disc on the basis of the existing equipment on the premise that the existing upper feeding mode is not changed.
The invention aims to provide a continuous gravity film easy-to-clean centrifugal discharge disc. Adopt the row material tray of this application, at the continuous degasification in-process of thick liquids, through rotatory centrifugal gravity's reciprocal change, reciprocal film-forming back vacuum gravity continuous deaeration many times, obviously increase degasification effect, promote degassing efficiency. Simultaneously, based on the row material tray structure after the improvement, under vacuum environment, can directly be used for among the current vacuum defoamation deaerator to current top blanking pipe is the source, keeps current top feeding mode unchangeable, realizes that thick liquids arrange the material from row material tray lower surface.
In order to achieve the purpose, the following technical scheme is adopted in the application:
a continuous gravity film easy-cleaning centrifugal discharge disc comprises a connecting shaft sleeve, a discharge bottom plate, a raw material bin annular plate, a primary gravity film bin annular plate, a secondary gravity film bin annular plate and a distribution discharge plate, wherein the connecting shaft sleeve is connected with a driving main shaft of an equipment main machine;
the raw material bin ring plate is connected with the discharge bottom plate, the discharge bottom plate can provide support for the raw material bin ring plate, a bin lower ring groove is formed between one end, facing the discharge bottom plate, of the raw material bin ring plate and the discharge bottom plate, and a raw material bin for containing slurry to be treated is formed between the inner wall of the raw material bin ring plate and the connecting shaft sleeve;
the bottom end of the primary gravity film bin annular plate is connected with the discharge bottom plate, the discharge bottom plate can provide support for the primary gravity film bin annular plate, a primary gravity film bin is formed between the inner wall of the primary gravity film bin annular plate and the outer wall of the raw material bin annular plate, slurry in the raw material bin can enter the primary gravity film bin through the bin lower annular groove and move upwards from bottom to top along the inner wall of the primary gravity film bin annular plate, a plurality of primary gravity spraying hole grooves are formed in the primary gravity film bin annular plate, the slurry moving upwards along the inner wall of the primary gravity film bin annular plate can be sprayed out through the primary gravity spraying hole grooves, a first vacuum through groove is formed in the upper end of the primary gravity film bin, and air bubbles in the slurry in the primary gravity film bin can be discharged through the first vacuum through groove under the action of negative pressure;
the bottom end of the secondary gravity film bin annular plate is connected with the discharge bottom plate, the discharge bottom plate can provide support for the secondary gravity film bin annular plate, a secondary gravity film bin is formed between the inner wall of the secondary gravity film bin annular plate and the outer wall of the primary gravity film bin annular plate, slurry in the secondary gravity film bin can enter the secondary gravity film bin through the primary gravity spraying hole groove and can move downwards along the inner wall of the secondary gravity film bin annular plate from top to bottom, a plurality of secondary discharge hole grooves are formed in the secondary gravity film bin annular plate, the slurry moving downwards along the inner wall of the secondary gravity film bin annular plate can be sprayed out through the secondary discharge hole groove, a second vacuum through groove is formed in the upper end of the secondary gravity film bin, and air bubbles in the slurry in the secondary gravity film bin can be discharged through the second vacuum through groove under the action of negative pressure;
the distribution discharge plate is connected with the outer wall of the second-stage gravity film bin annular plate, the second-stage gravity film bin annular plate can provide support for the distribution discharge plate, and the horizontal plane of the connection position of the distribution discharge plate and the second-stage gravity film bin annular plate is positioned above the horizontal plane of the second-stage discharge hole groove; the distributing and discharging plate comprises a film forming section and a discharging section, the lower surface of the film forming section is obliquely arranged relative to the outer wall of the second-level gravity film bin annular plate, a discharging preparation bin is formed between the lower surface of the film forming section and the outer wall of the second-level gravity film bin annular plate, and slurry sprayed from the second-level discharging hole groove can enter the discharging preparation bin; the discharging section is connected with the film forming section into a whole, the lower surface of the film forming section is a discharging film forming surface, the lower surface of the discharging section is a discharging surface, slurry in the discharging preparation bin can reach the discharging surface after the slurry is subjected to gathering and centrifugation by the discharging film forming area and is discharged from the edge of the discharging surface.
Along the direction from inside to outside, the primary gravity film bin and the secondary gravity film bin form a gravity film component; at least one gravity film component is arranged between the raw material bin and the spraying preparation bin, and the gravity film component is arranged from inside to outside along the radial direction of the discharging bottom plate.
One to five gravity film components are arranged between the raw material bin and the spraying preparation bin.
The discharging bottom plate is provided with a material containing groove, and the material containing groove is positioned in the raw material bin.
And a secondary gravity film forming surface is formed on the inner wall of the secondary gravity film bin annular plate.
Still include fixing nut, connecting screw, fastening connecting plate, be provided with in the connecting sleeve with the first connecting groove of drive spindle matched with of equipment host computer, drive spindle sets up in first connecting groove and drive spindle is provided with first threaded connection section towards the one end of arranging the material bottom plate, be provided with on the fastening connecting plate with first threaded connection section complex first connecting hole, with connecting screw matched with second connecting hole, first threaded connection section of drive spindle can pass first connecting hole and fixing nut and can be connected first threaded connection section as an organic whole with the fastening connecting plate, connecting screw can pass the second connecting hole of fastening connecting plate and will fasten the connecting plate and arrange the material bottom plate and be connected as an organic wholely.
The first connecting hole and the second connecting hole are through holes respectively, and the fixing nut is in threaded connection with the first threaded connecting section of the driving spindle and the connecting screw rod is in threaded connection with the discharging bottom plate respectively.
The section of the raw material bin ring plate perpendicular to the axial direction of the raw material bin ring plate is in a circular ring shape.
The annular is located one side and the feed bin annular equipartition in the axial of former feed bin annular plate under the feed bin near arranging the material bottom plate under the feed bin on the former feed bin annular plate, elementary gravity sprays the hole groove and is located one side and the elementary gravity of keeping away from row material bottom plate on the elementary gravity film storehouse annular plate and sprays the hole groove equipartition in the axial of elementary gravity film storehouse annular plate, annular place horizontal plane is located elementary gravity and sprays the hole groove place horizontal plane top under the feed bin.
The primary gravity jet hole groove is one or more of a circular hole and a strip-shaped hole.
The primary gravity film bin ring plate and the secondary gravity film bin ring plate are respectively in a circular truncated cone shape along a section perpendicular to the axial direction of the primary gravity film bin ring plate and a section perpendicular to the axial direction of the secondary gravity film bin ring plate.
The radius of one end, far away from the material discharging bottom plate, of the primary gravity film bin annular plate is larger than the radius of one end, close to the material discharging bottom plate, of the primary gravity film bin annular plate, and the radius of one end, far away from the material discharging bottom plate, of the secondary gravity film bin annular plate is smaller than the radius of one end, close to the material discharging bottom plate, of the secondary gravity film bin annular plate.
The included angle between the bus of the secondary gravity film bin ring plate and the bottom of the secondary gravity film bin ring plate is recorded as a first included angle a, the included angle between the bus of the primary gravity film bin ring plate and the upper bottom of the primary gravity film bin ring plate is recorded as a third included angle c, the first included angle a is an obtuse angle, and the third included angle c is an acute angle.
The horizontal plane of the secondary material discharge hole groove is located below the horizontal plane of the primary gravity jet hole groove, and the secondary material discharge hole grooves are uniformly arranged along the circumferential direction of the secondary gravity film bin annular plate.
The second-level discharge hole groove is one or more of a circular hole and a strip-shaped hole.
One end, facing the discharge bottom plate, of the raw material bin annular plate is fixedly connected with the discharge bottom plate, and a plurality of raw material through grooves are formed in the raw material bin annular plate and are the lower annular grooves of the bin;
or one end of the raw material bin ring plate, which is far away from the discharge bottom plate, is fixedly connected with the primary gravity film bin ring plate, an annular gap is formed between the raw material bin ring plate and the discharge bottom plate, and the annular gap is the lower annular groove of the bin.
The secondary discharge hole groove is opposite to the discharge film forming surface.
The discharging film forming surfaces and the discharging surfaces connected with the discharging film forming surfaces are arranged in a V shape, and an included angle formed between each discharging film forming surface and the discharging surface connected with the discharging film forming surface is an obtuse angle.
The horizontal plane of the discharging film forming surface is parallel to the horizontal plane of the discharging bottom plate.
The discharging film forming surface and the outer wall of the second-stage gravity Bao Mocang ring plate connected with the discharging film forming surface are arranged in a V shape, the included angle formed between the discharging film forming surface and the outer wall of the second-stage gravity film bin ring plate connected with the discharging film forming surface is a second included angle b, and the second included angle b is an acute angle.
The opening of the discharging preparation bin faces opposite to the opening of the raw material bin.
The distribution and discharge plate is in a circular ring shape along the projection in the vertical direction.
To the foregoing problem, the present application provides a continuous gravity film easy-to-clean centrifugal discharge tray. The device comprises a connecting shaft sleeve, a discharging bottom plate, a raw material bin annular plate, a primary gravity film bin annular plate, a secondary gravity film bin annular plate and a distributing and discharging plate. The connecting shaft sleeve is used for being connected with a driving main shaft of the equipment main machine, and the discharging bottom plate is connected with the connecting shaft sleeve; the connecting shaft sleeve, the discharge bottom plate and the part connected with the discharge bottom plate are driven to synchronously rotate through the fixed connection of the driving main shaft and the connecting shaft sleeve, and then continuous gravity centrifugal film degassing of slurry on the discharge disc is realized in a vacuum environment.
In this application, will arrange the material bottom plate and cut apart into former feed bin, elementary gravity film storehouse, second grade gravity film storehouse, arrange the material and prepare the storehouse, total 4 annular spaces, and former feed bin, elementary gravity film storehouse, second grade gravity film storehouse, spray and prepare the storehouse and all communicate with outside vacuum environment.
In this structure, former feed bin crown plate, elementary gravity film storehouse crown plate, second grade gravity film storehouse crown plate and distribution are arranged the material dish and are passed through integrated into one piece, threaded connection or welded fastening and be in the same place, this is whole through connecting screw and connecting axle sleeve fixed connection, and whole gravity film centrifugation is arranged the material dish and is finally installed on the equipment main shaft through the fixation nut connection.
Furthermore, the primary gravity film bin ring plate and the secondary gravity film bin ring plate are respectively in a circular truncated cone shape along a section perpendicular to the axial direction of the primary gravity film bin ring plate and a section perpendicular to the axial direction of the secondary gravity film bin ring plate. The radius of the primary gravity film bin annular plate far away from one end of the discharge bottom plate is larger than the radius of the primary gravity film bin annular plate close to one end of the discharge bottom plate, and the radius of the secondary gravity film bin annular plate far away from one end of the discharge bottom plate is smaller than the radius of the secondary gravity film bin annular plate close to one end of the discharge bottom plate. The included angle between the bus of the secondary gravity film bin ring plate and the lower bottom of the secondary gravity film bin ring plate is recorded as a first included angle a, the included angle between the bus of the primary gravity film bin ring plate and the upper bottom of the primary gravity film bin ring plate is recorded as a third included angle c, the first included angle a is an obtuse angle, and the third included angle c is an acute angle. As shown, the annular wall of the secondary gravity film bin is disposed at an angle a with the axis of rotation, and the annular wall of the primary gravity film bin is disposed at an angle c with the axis of rotation. Preferably, the primary gravity film bin and the secondary gravity film bin can be used in pairs and arranged between the raw material bin and the discharge preparation bin for a plurality of times (i.e. the primary gravity film bin and the secondary gravity film bin are arranged in pairs between the raw material bin and the spray preparation bin along the radial direction of the discharge bottom plate).
Under vacuum environment, the easy clean centrifugation of continuous gravity film of this application arranges the material tray and utilizes the physics phenomenon of centrifugal gravity, causes the thick liquids to prepare the effect in storehouse through former feed bin, elementary gravity film storehouse, second grade gravity film storehouse and row material, carries out a lot of reciprocating cycle filmization and gravity extrusion, and the bubble of thick liquids inside is discharged uninterruptedly in succession. The material discharging disc well solves the technical problem of continuous and thorough bubble discharging of the slurry, and the structure can deal with the pretreatment work of continuous separation bubbles of the slurry, so that the later process is guaranteed to be smoothly implemented. The invention removes the residual bubbles in the slurry in a pure physical mode to achieve an ideal degassing effect. Furthermore, the ring plates of the annular spaces are matched and matched with centrifugal gravity through different inclination angles, and film forming and exhaust are facilitated. Simultaneously, the difficult problem of the ejection of compact of bin stock dish below has been solved in the structural design of this application, and can be arranged in current top feeding vacuum deaeration deaerator, has extremely strong adaptability, higher using value and better application prospect.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a sectional view of the discharge tray of example 1 taken perpendicular to its axial direction.
Reference numerals: 1. fixing nut, 2, connecting screw, 3, second grade discharge hole groove, 4, discharge preparation storehouse, 5, distribution discharge tray, 6, discharge material film forming face, 7, second grade gravity film forming face, 8, second grade gravity film storehouse, 9, primary gravity jet hole groove, 10, primary gravity film storehouse, 11, feed bin lower ring groove, 12, former feed bin, 13, connecting shaft sleeve, 14, former feed bin crown plate, 15, primary gravity film storehouse crown plate, 16, second grade gravity film storehouse crown plate, 17, discharge face, a, first contained angle, b, second contained angle, c, third contained angle.
Detailed Description
All of the features disclosed in this specification, or all of the steps of any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification may be replaced by alternative features serving an equivalent or similar purpose, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Example 1
As shown in the figure, this embodiment provides an easy clean centrifugal discharge dish of continuous gravity film, and it is including connecting axle sleeve, row material bottom plate, former feed bin ring plate, elementary gravity film storehouse ring plate, second grade gravity film storehouse ring plate, distribution row material plate to will arrange the material bottom plate and cut apart into former feed bin, elementary gravity film storehouse, second grade gravity film storehouse, arrange the material and prepare the storehouse, four annular space in total. The projection of the material discharging bottom plate in the vertical direction is circular, the connecting shaft sleeve is used for being connected with a driving main shaft of the equipment host, and the material discharging bottom plate is connected with the connecting shaft sleeve. This embodiment provides a concrete connection structure, including fixation nut, connecting screw, fastening connection board, be provided with in the connecting axle sleeve with the first connecting slot of drive spindle matched with of equipment host computer, the drive spindle sets up in first connecting slot and the drive spindle is provided with first threaded connection section towards the one end of arranging the material bottom plate, be provided with on the fastening connection board with first threaded connection section matched with first connecting hole, with connecting screw matched with second connecting hole. In the structure, a first threaded connecting section of a driving spindle penetrates through a first connecting hole, and the first threaded connecting section and a fastening connecting plate are connected into a whole through a fixing nut; the connecting screw rod can penetrate through the second connecting hole of the fastening connecting plate and connect the fastening connecting plate and the discharging bottom plate into a whole. Preferably, the first connecting hole and the second connecting hole are through holes respectively, and the fixing nut is in threaded connection with the first threaded connecting section of the driving spindle and the connecting screw rod is in threaded connection with the discharging bottom plate respectively. By adopting the structure, when the main shaft is driven to rotate, the connecting shaft sleeve and the discharging bottom plate which are connected with the main shaft can be driven to synchronously rotate.
In this embodiment, former feed bin crown plate links to each other with row's material bottom plate, provides the support for former feed bin crown plate through arranging the material bottom plate, and former feed bin crown plate is the ring form along its axial section of perpendicular to. A feed bin lower annular groove is formed between one end, facing the material discharging bottom plate, of the raw material bin annular plate and the material discharging bottom plate, and a raw material bin is formed between the inner wall of the raw material bin annular plate and the connecting shaft sleeve. As shown in the figure, the one end and the elementary gravity film storehouse crown plate fixed connection of arranging the material bottom plate are kept away from to former feed bin crown plate, and elementary gravity film storehouse crown plate with arrange material bottom plate fixed connection, and former feed bin crown plate links to each other with arranging the material bottom plate indirectly through elementary gravity film storehouse crown plate promptly, and form annular gap between former feed bin crown plate and the row material bottom plate, this annular gap is annular under the feed bin promptly. The slurry to be treated firstly enters a raw material bin of a discharging disc and then is subjected to subsequent treatment. Furthermore, a material containing groove is formed in the material discharging bottom plate and is positioned in the raw material bin. In this structure, flourishing material recess edge can play the effect of strengthening rib, can increase corresponding intensity under the prerequisite of simplifying row material bottom plate structure.
The bottom end of the primary gravity film bin annular plate is connected with the discharging bottom plate, and the primary gravity film bin annular plate is supported by the discharging bottom plate. A primary gravity film bin is formed between the inner wall of the primary gravity film bin annular plate and the outer wall of the raw material bin annular plate; the slurry in the raw material bin can enter the primary gravity film bin through the lower annular groove of the bin and move upwards from bottom to top along the inner wall of the annular plate of the primary gravity film bin. Meanwhile, a plurality of primary gravity jet hole grooves are formed in the primary gravity film bin annular plate, and slurry moving upwards along the inner wall of the primary gravity film bin annular plate can be jetted out through the primary gravity jet hole grooves; a first vacuum through groove is formed in the upper end of the primary gravity film bin, and air bubbles in slurry in the primary gravity film bin can be discharged through the first vacuum through groove under the negative pressure effect.
In the structure, a first vacuum through groove is formed in the upper end of the primary gravity film bin, and air bubbles in slurry in the primary gravity film bin can be discharged through the first vacuum through groove under the action of negative pressure. When the upper part of the primary gravity film bin annular plate is connected with the raw material bin annular plate, slurry in the raw material bin can seal the lower annular groove of the bin, and if the upper part of the primary gravity film bin is not provided with a corresponding first vacuum through groove, the interior of the primary gravity film bin cannot be communicated with the external vacuum environment, so that a negative pressure environment cannot be provided for the slurry in the primary gravity film bin, and the separation of bubbles in the slurry in the primary gravity film bin is not facilitated; at this time, a first vacuum through groove needs to be arranged at the upper end of the primary gravity film bin, so that the primary gravity film bin is communicated with the external vacuum environment.
Further, the lower bin annular grooves are positioned on one side, close to the discharge bottom plate, of the raw material bin annular plate, and are uniformly distributed in the axial direction of the raw material bin annular plate; the primary gravity spraying hole grooves are positioned on one side, far away from the discharge bottom plate, of the primary gravity film bin annular plate, and are uniformly distributed in the axial direction of the primary gravity film bin annular plate; the horizontal plane of the lower ring groove of the storage bin is positioned above the horizontal plane of the primary gravity jet hole groove. In the application, the lower ring grooves of the storage bin are uniformly distributed along the rotary circumference and can be arranged into holes or groove shapes; the primary gravity jet hole slots are uniformly distributed along the rotary circumference and can be arranged into holes or slot type.
The bottom end of the second-level gravity film bin annular plate is connected with the discharging bottom plate, and the second-level gravity film bin annular plate is supported by the discharging bottom plate. A secondary gravity film bin is formed between the inner wall of the secondary gravity film bin annular plate and the outer wall of the primary gravity film bin annular plate; the slurry in the secondary gravity film bin enters the secondary gravity film bin through the primary gravity jet hole groove and moves downwards from top to bottom along the inner wall of the annular plate of the secondary gravity film bin, and a secondary gravity film forming surface is formed on the inner wall of the annular plate of the secondary gravity film bin; and a plurality of secondary discharge hole grooves are formed in the secondary gravity film bin annular plate, and the slurry moving downwards along the inner wall of the secondary gravity film bin annular plate can be sprayed out through the secondary discharge hole grooves. Simultaneously, second vacuum through groove is provided with on second grade gravity film storehouse, and the bubble in the thick liquids in the second grade gravity film storehouse can lead to the groove through the second vacuum under the negative pressure effect and discharge.
The distributing and discharging plate comprises a film forming section and a discharging section, the lower surface of the film forming section is obliquely arranged relative to the outer wall of the second-level gravity film bin annular plate, and the second-level discharging hole groove is opposite to the discharging film forming surface. The upper end of the distributing and discharging plate is connected with the outer wall of the second-stage gravity film bin ring plate, the distributing and discharging plate is supported through the second-stage gravity film bin ring plate, and the horizontal plane of the joint of the distributing and discharging plate and the second-stage gravity film bin ring plate is located above the horizontal plane of the second-stage discharging hole groove. A discharging preparation bin is formed between the lower surface of the film forming section and the outer wall of the second-stage gravity film bin annular plate, and slurry sprayed from the second-stage discharging hole groove can enter the discharging preparation bin. The discharging section is connected with the film forming section into a whole, the lower surface of the film forming section is a discharging film forming surface, and the lower surface of the discharging section is a discharging surface; the slurry in the discharging preparation bin can be discharged and moved out through the edge of the discharging surface under strong centrifugal gravity after being accumulated and centrifuged on the discharging film forming surface.
In this embodiment, the primary gravity film bin ring plate and the secondary gravity film bin ring plate are respectively in a circular truncated cone shape along a section perpendicular to the axial direction thereof. The radius of one end, far away from the material discharging bottom plate, of the primary gravity film bin annular plate is larger than the radius of one end, close to the material discharging bottom plate, of the primary gravity film bin annular plate, and the radius of one end, far away from the material discharging bottom plate, of the secondary gravity film bin annular plate is smaller than the radius of one end, close to the material discharging bottom plate, of the secondary gravity film bin annular plate. An included angle between a bus of the secondary gravity film bin ring plate and the lower bottom of the secondary gravity film bin ring plate is recorded as a first included angle a, an included angle between the bus of the primary gravity film bin ring plate and the upper bottom of the primary gravity film bin ring plate is recorded as a third included angle c, the first included angle a is an obtuse angle, and the third included angle c is an acute angle. The bin lower ring groove is positioned on one side, close to the discharge bottom plate, of the raw material bin ring plate and is uniformly distributed in the axial direction of the raw material bin ring plate, the primary gravity spraying hole groove is positioned on one side, far away from the discharge bottom plate, of the primary gravity film bin ring plate and is uniformly distributed in the axial direction of the primary gravity film bin ring plate, and the horizontal plane where the bin lower ring groove is positioned above the horizontal plane where the primary gravity spraying hole groove is positioned; the horizontal plane of the secondary discharging hole groove is located below the horizontal plane of the primary gravity spraying hole groove, and the secondary discharging hole grooves are evenly arranged along the circumferential direction of the secondary gravity film bin annular plate. Meanwhile, in a vertical square sectional view of the discharge tray, a single-side discharge film forming surface and a discharge surface connected with the single-side discharge film forming surface are arranged in a V shape, an included angle formed by the discharge film forming surface and the discharge surface connected with the discharge film forming surface is an obtuse angle, and the direction of an opening of the discharge preparation bin is opposite to the direction of an opening of the raw material bin; the discharging film forming surface and the outer wall of the second-stage gravity Bao Mocang ring plate connected with the discharging film forming surface are arranged in a V shape, the included angle formed between the discharging film forming surface and the outer wall of the second-stage gravity film bin ring plate connected with the discharging film forming surface is a second included angle b, and the second included angle b is an acute angle; the distribution discharge plate is arranged in mirror image with respect to the central axis of the discharge disc. Adopt this structure, can realize from raw materials storehouse upper end feeding, prepare storehouse lower extreme from arranging and arrange the material.
The continuous gravity film easy-to-clean centrifugal discharging disc can be used for slurry degassing in a vacuum environment, and particularly for vacuum degassing of medium-low viscosity slurry.
The continuous gravity film easy-cleaning centrifugal discharging disc is used in a vacuum deaeration deaerator, and a raw material bin, a primary gravity film bin, a secondary gravity film bin and a spraying preparation bin on the continuous gravity film centrifugal discharging disc are all in a vacuum environment, namely the raw material bin, the primary gravity film bin, the secondary gravity film bin and the spraying preparation bin on the continuous gravity film centrifugal discharging disc are respectively communicated with an external vacuum environment. The working process of the discharging disc is as follows:
(1) Under the vacuum environment, a driving main shaft of the equipment main machine rotates to drive the connecting shaft sleeve to rotate and drive the discharging bottom plate, the raw material bin, the primary gravity film bin, the secondary gravity film bin and the discharging preparation bin to correspondingly synchronously rotate;
(2) After the slurry enters the raw material bin through a pipeline, the slurry with air bubbles forms film diffusion at the bottom of the slurry under the action of centrifugal force formed by rotation of the connecting shaft sleeve, and flows into the primary gravity film bin after the flow limiting control is carried out through a lower ring groove of the bin;
(3) After the slurry enters the primary gravity film bin, the slurry with bubbles is pressed by primary gravity, continuous extrusion climbing and film thinning are carried out under the guide of a third included angle c of the inner surface of the primary gravity film bin, and the bubbles in the slurry are separated for the first time under the combined action of vacuum and the primary gravity;
when the slurry climbs to the primary gravity jet hole groove at the upper part of the primary gravity film bin, the slurry enters the secondary gravity film bin in rotary operation after passing through the primary gravity jet hole groove;
(4) Under the guide of the first included angle a and the action of centrifugal gravity, the slurry which just enters the secondary gravity film bin slides downwards along the inner wall surface of the secondary gravity film bin to flow and carry out secondary film formation, and bubbles in the slurry are subjected to secondary separation under the combined action of vacuum and secondary gravity;
(5) When the slurry flows to the bottom space of the secondary gravity film bin, the slurry enters the discharge preparation bin through secondary discharge hole grooves which are annularly distributed in the bin; and the slurry is gathered and centrifuged in the film forming area of the discharging preparation bin, reaches the discharging surface under the guidance of a second included angle b, and is discharged and moved out through the edge of the discharging surface under strong centrifugal gravity after the slurry is subjected to bubble separation for many times.
In this structure, former feed bin ring plate, elementary gravity film storehouse ring plate, second grade gravity film storehouse ring plate and distribution are arranged the dish and are passed through integrated into one piece, threaded connection or welded fastening and be in the same place, and this is whole through connecting screw and connecting sleeve fixed connection, and whole gravity film centrifugation is arranged the dish and is finally installed on the equipment main shaft through the fixation nut connection.
As an alternative mode, one end of the raw material bin ring plate, facing the material discharging bottom plate, is fixedly connected with the material discharging bottom plate, a plurality of raw material through grooves are formed in the circumferential direction of the raw material bin ring plate, and the raw material through grooves are the lower ring grooves of the bin. When the upper part of the primary gravity film bin ring plate is not connected with the raw material bin ring plate, a first vacuum through groove communicated with the external vacuum environment is naturally formed above the primary gravity film bin.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (10)
1. A continuous gravity film easy-cleaning centrifugal discharge disc is characterized by comprising a connecting shaft sleeve, a discharge bottom plate, a raw material bin annular plate, a primary gravity film bin annular plate, a secondary gravity film bin annular plate and a distribution discharge plate, wherein the connecting shaft sleeve is connected with a driving main shaft of a main machine of equipment;
the raw material bin ring plate is connected with the discharge bottom plate, the discharge bottom plate can provide support for the raw material bin ring plate, a bin lower ring groove is formed between one end, facing the discharge bottom plate, of the raw material bin ring plate and the discharge bottom plate, and a raw material bin for containing slurry to be treated is formed between the inner wall of the raw material bin ring plate and the connecting shaft sleeve;
the bottom end of the primary gravity film bin annular plate is connected with the discharge bottom plate, the discharge bottom plate can provide support for the primary gravity film bin annular plate, a primary gravity film bin is formed between the inner wall of the primary gravity film bin annular plate and the outer wall of the raw material bin annular plate, slurry in the raw material bin can enter the primary gravity film bin through the bin lower annular groove and move upwards along the inner wall of the primary gravity film bin annular plate from bottom to top, a plurality of primary gravity spraying hole grooves are formed in the primary gravity film bin annular plate, the slurry moving upwards along the inner wall of the primary gravity film bin annular plate can be sprayed out through the primary gravity spraying hole grooves, a first vacuum through groove is formed in the upper end of the primary gravity film bin, and bubbles in the slurry in the primary gravity film bin can be discharged through the first vacuum through groove under the negative pressure effect;
the bottom end of the secondary gravity film bin annular plate is connected with the discharge bottom plate, the discharge bottom plate can provide support for the secondary gravity film bin annular plate, a secondary gravity film bin is formed between the inner wall of the secondary gravity film bin annular plate and the outer wall of the primary gravity film bin annular plate, slurry in the secondary gravity film bin can enter the secondary gravity film bin through the primary gravity spraying hole groove and can move downwards along the inner wall of the secondary gravity film bin annular plate from top to bottom, a plurality of secondary discharge hole grooves are formed in the secondary gravity film bin annular plate, the slurry moving downwards along the inner wall of the secondary gravity film bin annular plate can be sprayed out through the secondary discharge hole groove, a second vacuum through groove is formed in the upper end of the secondary gravity film bin, and air bubbles in the slurry in the secondary gravity film bin can be discharged through the second vacuum through groove under the action of negative pressure;
the distribution discharge plate is connected with the outer wall of the second-stage gravity film bin annular plate, the second-stage gravity film bin annular plate can provide support for the distribution discharge plate, and the horizontal plane of the connection position of the distribution discharge plate and the second-stage gravity film bin annular plate is positioned above the horizontal plane of the second-stage discharge hole groove; the distributing and discharging plate comprises a film forming section and a discharging section, the lower surface of the film forming section is obliquely arranged relative to the outer wall of the second-level gravity film bin annular plate, a discharging preparation bin is formed between the lower surface of the film forming section and the outer wall of the second-level gravity film bin annular plate, and slurry sprayed from the second-level discharging hole groove can enter the discharging preparation bin; the discharging section is connected with the film forming section into a whole, the lower surface of the film forming section is a discharging film forming surface, the lower surface of the discharging section is a discharging surface, and slurry in the discharging preparation bin can reach the discharging surface after being subjected to gathering and centrifugation by the discharging film forming area and is discharged from the edge of the discharging surface;
a secondary gravity film forming surface is formed on the inner wall of the secondary gravity film bin annular plate;
the radius of one end, far away from the material discharge bottom plate, of the primary gravity film bin annular plate is larger than that of one end, close to the material discharge bottom plate, of the primary gravity film bin annular plate, and the radius of one end, far away from the material discharge bottom plate, of the secondary gravity film bin annular plate is smaller than that of one end, close to the material discharge bottom plate, of the secondary gravity film bin annular plate;
the horizontal plane of the secondary discharging hole grooves is positioned below the horizontal plane of the primary gravity spraying hole grooves, and the secondary discharging hole grooves are uniformly arranged along the circumferential direction of the secondary gravity film bin annular plate;
recording an included angle between a bus of the secondary gravity film bin ring plate and the lower bottom of the secondary gravity film bin ring plate as a first included angle a, and recording an included angle between the bus of the primary gravity film bin ring plate and the upper bottom of the primary gravity film bin ring plate as a third included angle c, wherein the first included angle a is an obtuse angle, and the third included angle c is an acute angle;
one end, facing the discharge bottom plate, of the raw material bin annular plate is fixedly connected with the discharge bottom plate, and a plurality of raw material through grooves are formed in the raw material bin annular plate and are the lower annular grooves of the bin;
or one end of the raw material bin ring plate, which is far away from the discharge bottom plate, is fixedly connected with the primary gravity film bin ring plate, an annular gap is formed between the raw material bin ring plate and the discharge bottom plate, and the annular gap is the lower annular groove of the bin.
2. The continuous gravity film easy-cleaning centrifugal discharge disc according to claim 1, wherein the lower ring groove of the bin is located on one side of the raw material bin ring plate close to the discharge bottom plate and is uniformly distributed in the circumferential direction of the raw material bin ring plate, the primary gravity jet hole groove is located on one side of the primary gravity film bin ring plate far away from the discharge bottom plate and is uniformly distributed in the circumferential direction of the primary gravity film bin ring plate, and the horizontal plane where the lower ring groove of the bin is located below the horizontal plane where the primary gravity jet hole groove is located.
3. The continuous gravity membrane easy-to-clean centrifugal discharge tray of claim 1, wherein the secondary discharge hole slots face the discharge filming surface.
4. The continuous gravity thin film easy-to-clean centrifugal discharge tray of claim 1, wherein the discharge film forming surface and the discharge surface connected thereto are arranged in a V shape, and an included angle formed between the discharge film forming surface and the discharge surface connected thereto is an obtuse angle.
5. The continuous gravity film easy-cleaning centrifugal discharge tray according to claim 1, wherein the discharge forming film surface and the outer wall of the ring plate of the secondary gravity Bao Mocang connected thereto are arranged in a V-shape, the included angle formed between the discharge forming film surface and the outer wall of the ring plate of the secondary gravity film bin connected thereto is a second included angle b, and the second included angle b is an acute angle.
6. The continuous gravity film easy-to-clean centrifugal discharge tray of claim 1, wherein the opening of the discharge preparation bin is oriented opposite to the opening of the raw material bin.
7. The continuous gravity membrane easy-to-clean centrifugal drainage tray of claim 1, wherein the vertical projection of the distribution drainage plate is circular.
8. The continuous gravity film easy-cleaning centrifugal discharging tray as claimed in claim 1, wherein the discharging bottom plate is provided with a material containing groove, and the material containing groove is located in the raw material bin.
9. The continuous gravity film easy-to-clean centrifugal drain pan of any one of claims 1~8 wherein, in an inside-to-outside direction, the primary and secondary gravity film silos comprise a gravity film assembly; at least one gravity film component is arranged between the raw material bin and the spraying preparation bin, and the gravity film component is arranged from inside to outside along the radial direction of the discharge bottom plate.
10. The continuous gravity film easy-to-clean centrifugal discharge tray of claim 9, wherein one to five gravity film assemblies are disposed between the raw material bin and the spray preparation bin.
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