CN114832420B - Internal condensing device for molecular distiller and internal condensing plate processing method - Google Patents
Internal condensing device for molecular distiller and internal condensing plate processing method Download PDFInfo
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- CN114832420B CN114832420B CN202210457522.9A CN202210457522A CN114832420B CN 114832420 B CN114832420 B CN 114832420B CN 202210457522 A CN202210457522 A CN 202210457522A CN 114832420 B CN114832420 B CN 114832420B
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- 238000003672 processing method Methods 0.000 title description 7
- 238000009833 condensation Methods 0.000 claims abstract description 50
- 230000005494 condensation Effects 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000005266 casting Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 6
- 210000004907 gland Anatomy 0.000 claims description 13
- 238000004512 die casting Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000007514 turning Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000000306 component Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000008358 core component Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract 1
- 238000000199 molecular distillation Methods 0.000 description 4
- 238000004821 distillation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
- B01D5/0012—Vertical tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
- B01D5/0081—Feeding the steam or the vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
- B01D5/009—Collecting, removing and/or treatment of the condensate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an internal condensing device for a molecular distiller, which comprises a condensing part, a supporting part and a liquid collecting part, wherein the condensing part is arranged on the supporting part; the support part is a cylinder with an upper opening, the condensing part comprises a cylindrical inner condensing plate sleeved on the outer side of the support part, and a plurality of diversion trenches are uniformly formed in the outer wall surface of the inner condensing plate along the vertical direction; the section of the diversion trench is arc-shaped; the inner wall surface of the inner condensation plate is provided with a spiral groove; the inlet of the spiral groove at the lower end is connected with a condensate input pipe through a connecting pipe and a pipe joint in sequence; the outlet of the spiral groove at the upper end is connected with a condensate output pipe through a connecting pipe and a pipe joint in sequence; the condensate input pipe and the condensate output pipe are led out of the bottom of the kettle through the hollow upright post to form a condensate loop; a funnel-shaped liquid collecting disc is arranged below the bracket, and is welded and fixed on the vertical rod and extends outwards to form a feed liquid output pipe; the invention also discloses a method for processing the inner condensing plate, which adopts a combined mold core, designs a set of casting mold, and solves the problems of complex processing, time and labor waste of the existing condensing device.
Description
Technical Field
The invention relates to the technical field of distiller part manufacturing, in particular to an internal condensing device for a molecular distiller and an internal condensing plate processing method.
Background
The distillation is a liquid-liquid separation technology, and the principle is that components are separated by utilizing different boiling points of the components in liquid, and heat-sensitive substances are easily damaged in the distillation process, so that the heat-sensitive substances are subjected to component separation by molecular distillation, and the molecular distillation is realized by virtue of the difference of average free path of molecular movement of different substances, unlike the traditional distillation. Because of the specificity of the molecular distillation mechanism, the condenser is built-in, and most of the currently used molecular distillation condensers are spiral coil pipes, the condensation effect is guaranteed to a certain extent, but the downward flowing surface of condensed liquid drops is not a plane, so that the liquid drops can flow smoothly and gather outside the pipes, and a large number of liquid drops gather to influence the condensation effect.
Disclosure of Invention
The invention aims to: the invention provides an internal condensing device for a molecular distiller and a processing method of an internal condensing plate, aiming at the problems existing in the background art, the device is used for condensing the condensing plate, the efficiency of cold-heat exchange and the flowing of liquid drops are fully considered, and the problems that the existing device is complex in modeling, time and labor are wasted due to difficult processing if the traditional mechanical processing is completely adopted, and the processing precision cannot be guaranteed are solved. The invention also provides a processing method of the inner condensing plate in the device, and the processing problem of the inner condensing plate is effectively solved.
The technical scheme is as follows: in order to achieve the above purpose, the invention adopts the following technical scheme:
An internal condensing device for a molecular distiller comprises a condensing part, a supporting part and a liquid collecting part; the support part comprises a step support with an opening at the upper part, and the outer diameter of the bottom surface of the support is larger than that of the cylinder part to form a step; a hollow upright post extends out of the center of the bottom of the bracket; the condensing part comprises a cylindrical inner condensing plate; the inner condensing plate is arranged on the outer side of the step bracket in a matched manner, and a gland is fixedly arranged on the upper part of the inner condensing plate; a plurality of diversion trenches are uniformly formed in the outer wall surface of the inner condensation plate along the vertical direction; the section of the diversion trench is arc-shaped; the inner wall surface of the inner condensation plate is provided with a spiral groove which spirals on the inner wall of the central through hole from bottom to top, and the inlet of the spiral groove at the lower end is connected with a condensate input pipe sequentially through a connecting pipe and a pipe joint; the spiral groove outlet is connected with a condensate output pipe through a connecting pipe and a pipe joint in sequence; the condensate input pipe and the condensate output pipe extend out of the kettle through the hollow upright post; the liquid collecting part comprises a funnel-shaped receiving tray positioned below the supporting part; one side of the receiving tray extends out of the feed liquid output pipe.
Further, the bottom and the upper part of the bracket are respectively provided with a lower through hole and an upper through hole which are used for extending out of the connecting pipe and correspond to the inlet and the outlet of the spiral groove; a sealing groove is respectively arranged below the lower through hole and above the upper through hole of the bracket, and a sealing belt for preventing liquid leakage is arranged in the groove.
Further, the bottom of the funnel-shaped receiving tray is provided with a through hole matched with the outer diameter of the upright post, and the funnel-shaped receiving tray is fixed outside the upright post through welding.
Further, the condensate inlet and the condensate outlet are respectively fixed with the connecting pipe through threads, and the other end of the connecting pipe is connected to the condensate inlet input pipe and the condensate output pipe through pipe joints; the connecting pipe is inserted into the spiral groove through interference fit, so that pipeline connection is realized.
Further, the upper end face of the support is provided with a plurality of first threaded holes which are distributed in an array mode along the circumferential direction, the corresponding position of the gland is provided with matched through holes, and the gland is fixed on the upper end face of the support through threaded connection.
The method for processing the inner condensation plate in the inner condensation device for the molecular distiller is characterized in that the inner condensation plate adopts a casting processing mode, and a casting mold comprises a cylinder body, a supporting plate, a mold core assembly and a push rod assembly; the bottom of the supporting plate is provided with a plurality of guide rods, and the guide rods penetrate through the bottom of the cylinder body and are used for fixing the supporting plate; the upper surface of the supporting plate is provided with a circular groove; the mold core assembly is circumferentially fixed on the inner ring of the groove; a vertical ejector rod hole is formed along the center of the lower surface of the cylinder body, a step hole is formed at the corresponding position of the bottom of the supporting plate, the section of the ejector rod is T-shaped, and the ejector rod is matched and installed in the step hole; the mold core assembly includes a central cylindrical rod core; sequentially arranging first to fifth mold cores along the circumferential direction of the outer wall surface of the rod core to form an outer mold core together; spiral protruding ribs are arranged on the outer wall surfaces of the mold cores of the outer mold core and are mutually matched to form complete spiral protruding ribs; the upper end face of the outer die core part is provided with a convex disc, and the die core assembly is covered on the cylinder body wall through the disc; a gap is reserved between the outer die core part and the inner wall surface of the cylinder body, namely a die cavity; the upper part of the die cavity is provided with a die casting hole and an exhaust hole corresponding to the die core position respectively; the upper surface of the rod core is covered with a mold core pressing plate;
The specific processing steps comprise:
S1, assembling a casting mold, namely casting a molten casting material into a mold cavity in a die-casting manner, exhausting air by utilizing an exhaust hole on a mold core, and opening the mold after cooling; firstly, taking down a mold core pressing plate, extracting a central rod core, horizontally extracting first to fifth mold cores in sequence, rotating a top rod to upwards eject an inner condensation plate part, and taking out the part;
S2, machining the inner circle, the outer circle and the end face of the inner condensation plate in a turning mode;
And S3, clamping the outer circle of the blank of the inner condensation plate by using an outer circle to clamp the copper three-jaw blank, supporting the tail part by using a center frame, boring the inner circle of the inner condensation plate to the designed size, and taking out the end face of the tail part and generating visible light.
S4, clamping the inner circle of the inner condensation plate by using the inner hole tensioning copper three-jaw with the end face of the visible light as an end face clamping reference, supporting the tail part by using a center frame, turning the outer circle of the inner condensation plate to a design size, and taking the other end face out to the design size; the surface is dropped, and the excircle of the center frame is turned to the designed size;
s5, machining a diversion trench on the outer circle of the inner condensation plate by using a planing machine;
And S6, removing burrs on the surface of the inner condensation plate.
Further, the ejector rod hole is provided with internal threads in a turning mode, the vertical portion of the ejector rod is provided with matched external threads in a turning mode, the bottom end of the vertical portion is provided with a hexagonal step, and the ejector rod hole can rotate through a wrench.
Further, a top rod cover plate is arranged between the T-shaped top rod and the lower surface of the supporting plate and is fixed on the inner bottom surface of the supporting plate through threaded connection.
Further, the upper surface of the rod core is provided with a step cylinder for circumferentially fixing the mold core pressing plate.
The beneficial effects are that:
According to the internal condensing device for the molecular distiller, the design of the diversion trenches arranged in the circumferential array on the outer circular surface of the internal condensing plate is more beneficial to downward flowing of condensed liquid drops; the condensation loop is directly connected with the spiral groove on the inner wall of the inner condensation plate, so that the condensation effect is efficient and reliable. In addition, the processing method of the inner condensing plate solves the problem of complex processing of the inner condensing plate by designing the special manufacturing die, and effectively ensures the processing precision.
Drawings
FIG. 1 is a schematic view of an installation of an internal condensing unit for a molecular still according to the present invention;
FIG. 2 is a cross-sectional view of an internal condensing unit for a molecular still according to the present invention;
FIG. 3 is a top view of an internal condensing unit holder for a molecular still according to the present invention;
FIG. 4 is a left side view of an internal condensing unit holder for a molecular still according to the present invention;
FIG. 5 is a top plan view of the internal condensing unit gland for a molecular still provided by the present invention;
FIG. 6 is a top view of the inner condensing plate of the internal condensing unit for a molecular still according to the present invention;
FIG. 7 is a cross-sectional view of the inner condensing plate processing apparatus of the present invention;
FIG. 8 is an enlarged view of the inner cold plate processing apparatus of the present invention at A;
FIG. 9 is a bottom view of a pallet in the inner cold plate processing apparatus of the present invention;
FIG. 10 is a top view of a cylinder in the inner condensate plate processing apparatus of the present invention;
FIG. 11 is a schematic view of the structure of the ejector pin in the inner condensation plate processing device in the invention;
FIG. 12 is a top view of a mold core assembly in the inner cold plate tooling assembly of the present invention;
Fig. 13 is a front view of a mold core assembly in the inner condensing plate processing apparatus of the present invention.
Description of the reference numerals
An inner condensing plate 1; a diversion trench 1-1; spiral grooves 1-2; a central through hole 1-3; a bracket 2; a first threaded hole 2-1; a condensate inlet 2-2; 2-3 parts of condensate outlet; column holes 2-4; 2-5 of inlet end sealing grooves; 2-6 of outlet end seal grooves; a gland 3; a gland through hole 3-1; a receiving tray 4; a feed liquid output pipe 4-1; a column 5; a connecting pipe 6; a condensate input tube 6-1; a condensate outlet pipe 6-2; a pipe joint 6-3; a seal ring 7; a processing device 8 of the inner condensation plate; a cylinder 8-1; 8-2 of a supporting plate; guide rod 8-3; 8-4 of ejector rods; 8-5 parts of rod cores; a first mold core 8-6; 8-7 of die casting holes; a fifth mold core 8-8; spiral protruding ribs 8-9; 8-10 of a mold core pressing plate; 8-11 parts of a die cavity; 8-12 parts of ejector rod cover plates; second through holes 8-13; a second threaded hole 8-14; 8-15 of a push rod step hole on the supporting plate; guide rod holes 8-16; the ejector rod threaded holes 8-17; 8-18 of exhaust holes; the second mould core 8-19; 8-20 parts of a third mold core; fourth mold core 8-21.
Detailed Description
The invention will be further described with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention firstly provides an internal condensing device for a molecular distiller, and the specific structure is shown in figures 1-2, and the internal condensing device comprises a condensing part, a supporting part and a liquid collecting part.
Wherein the support part comprises a stepped cylindrical support 2 with an upper opening. The specific structure of the bracket 2 is shown in fig. 3-4, the outer diameter of the bottom surface is larger than that of the cylinder part, and a step is formed. The center of the bottom of the bracket 2 is provided with a hollow upright post 5 for supporting, the upright post 5 extends out of the bottom of the kettle along the vertical direction and is used for supporting the upper inner condensing device, and meanwhile, the inner space is used for installing a condensate input/output loop.
The condensing part comprises a cylindrical inner condensing plate 1, and the concrete structure is shown in fig. 6. The inner condensation plate 1 is sleeved on the outer ring of the step bracket 2, and the upper part is fixedly provided with a gland 3. The gland 3 is provided with a plurality of gland through holes 3-1 which are matched with a first threaded hole 2-1 arranged on the upper end face of the bracket 2 and are fixed through threaded connection, and the gland through holes are particularly shown in figures 3 and 5. The outer wall surface of the inner condensation plate 1 is uniformly provided with a plurality of diversion trenches 1-1 along the vertical direction, and the cross section of each diversion trench is arc-shaped. The inner wall surface of the inner condensation plate is provided with a spiral groove 1-2, and the spiral groove 1-2 spirals on the inner wall of the central through hole 1-3 from bottom to top. The inlet of the spiral groove at the lower end is connected with a condensate input pipe 6-1 through a connecting pipe 6 and a pipe joint 6-3 in sequence; the outlet of the spiral groove at the upper end is connected with a condensate output pipe 6-2 through a connecting pipe 6 and a pipe joint 6-3 in sequence; the condensate input pipe 6-1 and the condensate output pipe 6-2 are led out of the kettle bottom through the hollow upright post 5. Thus, a condensate loop is formed, which is composed of a condensate input pipe 6-1, a lower spiral groove inlet, a spiral groove, an upper spiral groove outlet and a condensate output pipe 6-2 in sequence. In particular, in this embodiment, the condensate inlet 2-2 and the condensate outlet 2-3 are both provided with threads therein, a connecting pipe 6 is screwed in, and a pipe joint 6-3 is screwed on the other end of the connecting pipe 6 for connecting a pipeline, wherein the pipe joint 6-3 at the condensate inlet 2-2 is connected with the condensate input pipe 6-1, and the pipe joint 6-3 at the condensate outlet 2-3 is connected with the condensate output pipe 6-2.
In order to prevent liquid leakage, the bottom and the upper part of the bracket 2 are respectively provided with a lower through hole and an upper through hole which are used for extending out of the connecting pipe and correspond to the inlet and the outlet of the spiral groove; the lower part of the lower through hole and the upper part of the upper through hole of the bracket are respectively provided with a sealing groove, and an inlet end sealing groove 2-5 and an outlet end sealing groove 2-6 for preventing liquid leakage are arranged in the grooves, as shown in figure 4.
As shown in fig. 1-2, the liquid collecting part comprises a material receiving disc 4 which is in a funnel shape, the upper opening of the liquid collecting part is larger than the maximum outer circle diameter of the inner condensation plate 1, and the lower part of the liquid collecting part is communicated with 1 material liquid output pipe 4-1 to the outside of the kettle. The center of the bottom of the material receiving disc 4 is provided with 1 round hole which is used for penetrating through the upright post 5, and the material receiving disc 4 is welded on the upright post 5 by utilizing the round hole. One side of the receiving tray 4 is also extended with a feed liquid output pipe 4-1.
When the device is used, cooling liquid enters the starting point of the spiral groove 1-2 on the inner wall of the central through hole 1-3 of the inner condensation plate 1 through the condensate input pipe 6-1, the pipe joint 6-3, the connecting pipe 6 and the condensate inlet 2-2, flows through the inner condensation plate 1 from bottom to top in a spiral manner to reach the end point of the spiral groove 1-2, then the cooling liquid is output out of the kettle through the condensate outlet 2-3, the connecting pipe 6-3 and the condensate output pipe 6-2, light component escape molecules are condensed into drops through the inner condensation plate, and flows downwards through the diversion trenches 1-1 arranged on the outer circular surface of the inner condensation plate 1 in an array manner until the drops into the material receiving disc 4, and then is output out of the kettle through the feed liquid output pipe 4-1 below.
The embodiment further provides a specific processing method for the key component of the internal condensation device, namely the internal condensation plate 1, which is processed in a die casting mode, and a specific casting die structure is shown in fig. 7 and comprises a cylinder body 8-1, a supporting plate 8-2, a die core assembly and a push rod assembly.
The top view of the cylinder body 8-1 is shown in fig. 10, the bottom of the center is provided with a push rod threaded hole 8-17, and the periphery is provided with guide rod holes 8-16 which are arranged in an array manner; the supporting plate 8-2 is arranged on the bottom surface of the cylinder body, and the guide rod 8-3 extends out of the position corresponding to the guide rod hole 8-16, so that the supporting plate 8-2 is fixed along the circumferential direction; the upper surface of the supporting plate 8-2 is provided with a circular groove, and the mold core component is circumferentially fixed on the inner ring of the groove. The supporting plate 8-2 is provided with a coaxial ejector rod step hole 8-15 at a position corresponding to the ejector rod threaded hole 8-17, and the bottom view is shown in fig. 9. Second threaded holes 8-14% are formed along the periphery of the threaded holes in an outer ring. The ejector rod assembly is shown in fig. 8 and is arranged on the lower surface of the supporting plate 8-2 and comprises an ejector rod 8-4 and an ejector rod cover plate 8-12. The ejector rod cover plate 8-12 is provided with a second through hole 8-13 corresponding to the second threaded hole 8-14, and is fixed on the lower surface of the supporting plate through bolts. The specific structure of the ejector rod 8-4 is shown in fig. 11, the section is T-shaped, the vertical part is provided with external threads, the bottom is a hexagonal step, and the ejector rod can be rotated by a wrench to move up and down along the threaded hole of the ejector rod.
The concrete structure of the mold core assembly is shown in fig. 12-13, and the embodiment adopts a combined mold core, which comprises a middle cylindrical rod core 8-5; the upper surface of the rod core is also extended with a round table for circumferential fixation. The first mold core 8-6, the second mold core 8-19 and the third mold core 8-20 are sequentially arranged along the circumferential direction of the outer wall surface of the rod core 8-5; the fourth mold core 8-21 and the fifth mold core 8-8 together form an outer mold core. Spiral protruding ribs 8-9 are arranged on the outer wall surface of each mold core of the outer mold core and are mutually matched to form complete spiral protruding ribs; the upper end face of the outer die core is provided with a protruding disc, and the die core assembly is covered on the cylinder body wall through the disc. And a gap is reserved between the outer die core and the inner wall surface of the cylinder body, namely a die cavity. The upper part of the die cavity is provided with a die casting hole 8-7 and an exhaust hole 8-18 corresponding to the die core position; the upper surface of the rod core is covered with a mold core pressing plate 8-10, and the rod core is circumferentially fixed through a cylindrical step.
The specific processing steps are as follows:
S1, assembling a casting mold, namely casting a molten casting material into a mold cavity in a die-casting manner, exhausting air by utilizing an exhaust hole on a mold core, and opening the mold after cooling; firstly, taking down a mold core pressing plate, extracting a central rod core, horizontally extracting first to fifth mold cores in sequence, rotating a top rod to upwards eject an inner condensation plate part, and taking out the part;
S2, machining the inner circle, the outer circle and the end face of the inner condensation plate in a turning mode;
And S3, clamping the outer circle of the blank of the inner condensation plate by using an outer circle to clamp the copper three-jaw blank, supporting the tail part by using a center frame, boring the inner circle of the inner condensation plate to the designed size, and taking out the end face of the tail part and generating visible light.
S4, clamping the inner circle of the inner condensation plate by using the inner hole tensioning copper three-jaw with the end face of the visible light as an end face clamping reference, supporting the tail part by using a center frame, turning the outer circle of the inner condensation plate to a design size, and taking the other end face out to the design size; the surface is dropped, and the excircle of the center frame is turned to the designed size;
s5, machining a diversion trench on the outer circle of the inner condensation plate by using a planing machine;
And S6, removing burrs on the surface of the inner condensation plate.
The foregoing is only a preferred embodiment of the invention, it being 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 present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (9)
1. An internal condensing device for a molecular distiller is characterized by comprising a condensing part, a supporting part and a liquid collecting part; the support part comprises a step support with an opening at the upper part, and the outer diameter of the bottom surface of the support is larger than that of the cylinder part to form a step; a hollow upright post extends out of the center of the bottom of the bracket; the condensing part comprises a cylindrical inner condensing plate; the inner condensing plate is arranged on the outer side of the step bracket in a matched manner, and a gland is fixedly arranged on the upper part of the inner condensing plate; a plurality of diversion trenches are uniformly formed in the outer wall surface of the inner condensation plate along the vertical direction; the section of the diversion trench is arc-shaped; the inner wall surface of the inner condensation plate is provided with a spiral groove which spirals on the inner wall of the central through hole from bottom to top, and the inlet of the spiral groove at the lower end is connected with a condensate input pipe sequentially through a connecting pipe and a pipe joint; the spiral groove outlet is connected with a condensate output pipe through a connecting pipe and a pipe joint in sequence; the condensate input pipe and the condensate output pipe extend out of the kettle through the hollow upright post; the liquid collecting part comprises a funnel-shaped receiving tray positioned below the supporting part; one side of the receiving disc extends out of the feed liquid output pipe;
The inner condensation plate adopts a casting processing mode, and the casting mold comprises a cylinder body, a supporting plate, a mold core component and a push rod component; the bottom of the supporting plate is provided with a plurality of guide rods, and the guide rods penetrate through the bottom of the cylinder body and are used for fixing the supporting plate; the upper surface of the supporting plate is provided with a circular groove; the mold core assembly is circumferentially fixed on the inner ring of the groove; a vertical ejector rod hole is formed along the center of the lower surface of the cylinder body, a step hole is formed at the corresponding position of the bottom of the supporting plate, the section of the ejector rod is T-shaped, and the ejector rod is matched and installed in the step hole; the mold core assembly includes a central cylindrical rod core; sequentially arranging first to fifth mold cores along the circumferential direction of the outer wall surface of the rod core to form an outer mold core together; spiral protruding ribs are arranged on the outer wall surfaces of the mold cores of the outer mold core and are mutually matched to form complete spiral protruding ribs; the upper end face of the outer die core part is provided with a convex disc, and the die core assembly is covered on the cylinder body wall through the disc; a gap is reserved between the outer die core part and the inner wall surface of the cylinder body, namely a die cavity; the upper part of the die cavity is provided with a die casting hole and an exhaust hole corresponding to the die core position respectively; the upper surface of the rod core is covered with a mold core pressing plate.
2. The internal condensing device for molecular still according to claim 1, wherein the bottom and upper portions of said bracket are respectively provided with a lower through hole and an upper through hole for extending out of the connection pipe corresponding to the inlet and outlet of the spiral groove; a sealing groove is respectively arranged below the lower through hole and above the upper through hole of the bracket, and a sealing belt for preventing liquid leakage is arranged in the groove.
3. The internal condensing device for a molecular still according to claim 1, wherein the funnel-shaped receiving tray is provided with a through hole at the bottom thereof, which is matched with the outer diameter of the column, and is fixed to the outside of the column by welding.
4. The internal condensing device for molecular still according to claim 1, wherein the condensate inlet and the condensate outlet are respectively fixed to the connecting pipe by threads, and the other end of the connecting pipe is connected to the condensate inlet pipe and the condensate outlet pipe by pipe joints; the connecting pipe is inserted into the spiral groove through interference fit, so that pipeline connection is realized.
5. The internal condensing device for a molecular distiller as defined in claim 1, wherein the upper end surface of the bracket is provided with a plurality of first threaded holes arranged in an array along the circumferential direction, the corresponding positions of the gland are provided with matched through holes, and the gland is fixed on the upper end surface of the bracket through threaded connection.
6. A method of processing an inner condensing plate in an inner condensing unit for a molecular still according to any one of claims 1-5, characterized by the specific processing steps comprising:
S1, assembling a casting mold, namely casting a molten casting material into a mold cavity in a die-casting manner, exhausting air by utilizing an exhaust hole on a mold core, and opening the mold after cooling; firstly, taking down a mold core pressing plate, extracting a central rod core, horizontally extracting first to fifth mold cores in sequence, rotating a top rod to upwards eject an inner condensation plate part, and taking out the part;
S2, machining the inner circle, the outer circle and the end face of the inner condensation plate in a turning mode;
S3, clamping an outer circle of an inner condensation plate blank by using an outer circle to clamp copper three claws, supporting the tail by using a center frame, boring the inner circle of the inner condensation plate to a designed size, and taking out the end face of the tail, namely, visible light;
S4, clamping the inner circle of the inner condensation plate by using the inner hole tensioning copper three-jaw with the end face of the visible light as an end face clamping reference, supporting the tail part by using a center frame, turning the outer circle of the inner condensation plate to a design size, and taking the other end face out to the design size; the surface is dropped, and the excircle of the center frame is turned to the designed size;
s5, machining a diversion trench on the outer circle of the inner condensation plate by using a planing machine;
And S6, removing burrs on the surface of the inner condensation plate.
7. The method of claim 6, wherein the ejector pin hole is provided with internal threads, the ejector pin vertical portion is provided with matched external threads, the bottom end of the vertical portion is provided with a hexagonal step, and the ejector pin hole can rotate through a wrench.
8. The method for manufacturing an inner condensing plate in an inner condensing unit for molecular still according to claim 7, wherein a top cover plate is further provided between the T-shaped top rod and the lower surface of the supporting plate, and is fixed to the inner bottom surface of the supporting plate by screw connection.
9. The method of claim 6, wherein the upper surface of the rod core is provided with a stepped cylinder for circumferentially fixing the core platen.
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