CN114832420A - Internal condensing device for molecular distiller and processing method of internal condensing plate - Google Patents
Internal condensing device for molecular distiller and processing method of internal condensing plate Download PDFInfo
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- CN114832420A CN114832420A CN202210457522.9A CN202210457522A CN114832420A CN 114832420 A CN114832420 A CN 114832420A CN 202210457522 A CN202210457522 A CN 202210457522A CN 114832420 A CN114832420 A CN 114832420A
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- 238000003672 processing method Methods 0.000 title description 7
- 238000009833 condensation Methods 0.000 claims abstract description 57
- 230000005494 condensation Effects 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000005266 casting Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 10
- 210000004907 gland Anatomy 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000004512 die casting Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000306 component Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000008358 core component Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 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
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
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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
- B01D5/0078—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
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- 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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- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an internal condensing device for a molecular still, which comprises a condensing part, a supporting part and a liquid collecting part, wherein the condensing part is arranged on the supporting part; the supporting part is a cylinder with an opening at the upper part, the condensing part comprises a cylindrical inner condensing plate which is sleeved outside the supporting part, and the outer wall surface of the inner condensing plate is uniformly provided with a plurality of flow guide grooves 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 the condensate input pipe through the connecting pipe and the 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, the liquid collecting disc is welded and fixed on the upright stanchion, and a feed liquid output pipe extends outwards; the invention also discloses a method for processing the inner condensation plate, which adopts the combined mold core and designs a set of casting mold, thereby solving the problems of complex processing, time and labor waste of the existing condensation device.
Description
Technical Field
The invention relates to the technical field of distiller part manufacturing, and mainly relates to an internal condensing device for a molecular distiller and a processing method of an internal condensing plate.
Background
Distillation is a liquid-liquid separation technology, and the principle is that the components are separated by utilizing different boiling points of the components in liquid, and thermosensitive substances are extremely easy to damage in the distillation process, so that the thermosensitive substances are separated by adopting molecular distillation, and the molecular distillation is different from the traditional distillation in that the separation is realized by the difference of mean free path of molecular motion of different substances. Because of the particularity of the molecular distillation mechanism, the condenser is built-in, and most of the condensers for molecular distillation currently used are spiral coil type condensers, the condensation effect of the condensers has a certain guarantee, but the surface of the condensed liquid drops flowing downwards is not a plane, so that the liquid drops can not flow smoothly and gather outside the pipe, and the condensation effect can be influenced by the gathering of a large number of liquid drops.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides an internal condensing device for a molecular still and a processing method of the internal condensing plate, aiming at the problems in the prior art, the device is used for the condensing plate to fully consider the efficiency of heat exchange and the flowing of liquid drops, and the problems that the existing device is complex in shape, time and labor are wasted due to the difficulty in processing if the traditional mechanical processing is completely adopted, and the processing precision cannot be ensured are solved. The invention also provides a method for processing the inner condensation plate in the device, and the problem of processing the inner condensation plate is effectively solved.
The technical scheme is as follows: in order to achieve the purpose, the invention adopts the technical scheme that:
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 condensation plate is arranged at the outer side of the step bracket in a matching way, and the upper part of the inner condensation plate is fixedly provided with a gland; a plurality of flow guide grooves 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, the spiral groove is spirally wound on the inner wall of the central through hole from bottom to top, and an 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 outlet of the spiral groove 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 material receiving disc positioned below the supporting part; and a feed liquid output pipe extends out of one side of the receiving disc.
Furthermore, 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 at the positions corresponding to the spiral groove inlet and the spiral groove outlet; sealing grooves are respectively arranged below the lower through hole and above the upper through hole of the bracket, and sealing belts for preventing liquid leakage are arranged in the grooves.
Furthermore, the bottom of the funnel-shaped material receiving disc is provided with a through hole matched with the outer diameter of the stand column, and the funnel-shaped material receiving disc is fixed outside the stand column through welding.
Furthermore, the condensate inlet and the condensate outlet are respectively fixed with a connecting pipe through threads, and the other end of the connecting pipe is connected to a condensate inlet input pipe and a condensate output pipe through a pipe joint; the connecting pipe is inserted into the spiral groove in an interference fit mode, and therefore pipeline connection is achieved.
Furthermore, the upper end face of the support is provided with a plurality of first threaded holes arranged in an array along the circumferential direction, the corresponding positions of the pressing covers are provided with matched through holes, and the pressing covers are 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 still adopts a casting processing mode, and the casting mold comprises a cylinder body, a supporting plate, a mold core assembly and an ejector 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 component 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, a step hole is formed at the corresponding position of the bottom of the supporting plate, the cross section of the ejector rod is T-shaped and is installed in the step hole in a matching manner; the mold core assembly comprises a central cylindrical rod core; first to fifth mold cores are sequentially arranged along the circumferential direction of the outer wall surface of the rod core to form an outer mold core part; the outer wall surface of each mold core of the outer mold core part is provided with a spiral convex rib which is matched with each other to form a complete spiral convex rib; the upper end surface of the outer mold core part is provided with a convex disc, and the mold core assembly is covered on the cylinder wall through the disc; a gap is left between the outer die core part and the inner wall surface of the cylinder body, and the gap is 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 respectively; a mold core pressing plate is covered on the upper surface of the rod core;
the specific processing steps comprise:
step S1, assembling a casting mold, die-casting the molten casting material into a mold cavity, exhausting air by utilizing an air exhaust hole on the mold core, and opening the mold after cooling; firstly, taking down a mold core pressing plate, extracting a central rod core, horizontally and sequentially extracting first to fifth mold cores, rotating an ejector rod to eject parts of an inner condensation plate upwards, and taking out the parts;
step S2, processing the inner circle, the outer circle and the end face of the inner condensation plate in a turning mode;
and S3, clamping the excircle of the blank of the inner condensation plate by using the excircle clamping copper three-jaw, 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 to see light.
S4, taking the visible light end face as an end face clamping reference, clamping the inner circle of the inner condensation plate by using an inner hole tensioning copper three-jaw clamp, supporting the tail part by using a center frame, turning the outer circle of the inner condensation plate to a designed size, and taking out the other end face to the designed size; turning the outer circle of the center frame to the designed size;
step S5, processing a diversion trench on the excircle of the inner condensation plate by using a planer;
and step S6, removing the inner cold plate surface burrs.
Further, the ejector pin hole car has the internal thread, and the vertical portion car of ejector pin has the external screw thread that matches, and vertical portion bottom is equipped with the hexagon step, can rotate through the spanner.
Furthermore, 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 bottom surface inside the supporting plate through threaded connection.
Furthermore, the upper surface of the rod core is provided with a step cylinder for circumferentially fixing the mold core pressing plate.
Has the advantages that:
according to the internal condensation device for the molecular distiller, the design of the diversion trenches arranged in the circumferential array on the outer circular surface of the internal condensation plate is more beneficial to downward flowing of condensation liquid drops; the condensing loop is directly communicated with the spiral groove on the inner wall of the inner condensing plate, so that the condensing effect is efficient and reliable. In addition, the processing method of the internal condensation plate provided by the invention solves the problem of complex processing of the internal condensation plate by designing the special manufacturing mold, and effectively ensures the processing precision.
Drawings
FIG. 1 is a schematic view of the installation of an internal condensing unit for a molecular still according to the present invention;
FIG. 2 is a sectional view of the structure of an internal condensation device for a molecular still according to the present invention;
FIG. 3 is a top view of an internal condensing unit mount for a molecular still according to the present invention;
FIG. 4 is a left side view of a rack of an internal condensing unit for a molecular still according to the present invention;
FIG. 5 is a top view of the gland of the internal condensing unit for the molecular still according to the present invention;
FIG. 6 is a top view of the condensation plate in the internal condensation device for a molecular still according to the present invention;
FIG. 7 is a sectional view showing the construction of an inner cold plate processing apparatus according to 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 the carrier plate of the internal cold plate apparatus of the present invention;
FIG. 10 is a top view of the barrel of the apparatus for processing an inner cold plate according to the present invention;
FIG. 11 is a schematic view of the structure of the lift pins in the apparatus for processing the inner cold plate according to the present invention;
FIG. 12 is a top view of a die assembly in the inner cold plate processing apparatus of the present invention;
FIG. 13 is a front view of a die assembly in the apparatus for processing an inner cold plate according to the present invention.
Description of the reference numerals
An inner cold plate 1; a diversion trench 1-1; 1-2 of spiral groove; a central through hole 1-3; a bracket 2; a first threaded hole 2-1; a condensate inlet 2-2; 2-3 condensate outlets; 2-4 of a stand column hole; inlet end seal grooves 2-5; outlet end sealing grooves 2-6; a gland 3; a gland through hole 3-1; a take-up pan 4; a feed liquid output pipe 4-1; a column 5; a connecting pipe 6; a condensate inlet pipe 6-1; a condensate output pipe 6-2; 6-3 of a pipe joint; a seal ring 7; a processing device 8 for the inner condensation plate; 8-1 of a cylinder body; 8-2 of a supporting plate; 8-3 of a guide rod; 8-4 of a top rod; 8-5 parts of a rod core; 8-6 parts of a first mold core; 8-7 of die casting holes; 8-8 parts of a fifth mold core; 8-9 parts of spiral convex ribs; 8-10 parts of a mold core pressing plate; 8-11 of a die cavity; 8-12 parts of a top rod cover plate; second through holes 8-13; second threaded holes 8-14; 8-15 parts of a top rod step hole on the supporting plate; 8-16 parts of a guide rod hole; 8-17 of a threaded hole of the ejector rod; 8-18 parts of exhaust holes; a second mold core 8-19; 8-20 parts of a third mold core; and a fourth mold core 8-21.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention firstly provides an internal condensing device for a molecular still, which has a specific structure shown in figures 1-2 and comprises a condensing part, a supporting part and a liquid collecting part.
Wherein the support part comprises a stepped cylindrical support 2 open at the upper part. The specific structure of the bracket 2 is as 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 support 2 is provided with a hollow upright post 5 for supporting, the upright post 5 extends out of the kettle bottom along the vertical direction and is used for supporting a condensing device above, and meanwhile, the inner space is used for installing a condensing liquid input and output loop.
The condensing part comprises a cylindrical inner condensing plate 1, and the specific 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 first threaded holes 2-1 arranged on the upper end surface of the bracket 2 and are fixedly connected through threads, as shown in fig. 3 and 5. The outer wall surface of the inner condensation plate 1 is uniformly provided with a plurality of guide grooves 1-1 along the vertical direction, and the cross sections of the guide grooves are 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 is spirally wound on the inner wall of the central through hole 1-3 from bottom to top. An 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; an 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 forming a condensate loop which is composed of a condensate input pipe 6-1, a spiral groove inlet at the lower end, a spiral groove outlet at the upper end and a condensate output pipe 6-2 in sequence. In particular, in the embodiment, the condensate inlet 2-2 and the condensate outlet 2-3 are both internally provided with threads and can be screwed into the connecting pipe 6, the other end of the connecting pipe 6 can be screwed into the pipe joint 6-3 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, in the embodiment, the positions of the bottom and the upper part of the bracket 2, which correspond to the inlet and the outlet of the spiral groove, are respectively provided with a lower through hole and an upper through hole which are used for extending out of the connecting pipe; sealing grooves are respectively arranged below the lower through hole and above the upper through hole of the bracket, 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 fig. 4.
As shown in figure 1-2, the liquid collecting part comprises a receiving disc 4 which is funnel-shaped, the opening above the receiving disc is larger than the maximum excircle diameter of the inner condensing plate 1, and 1 feed liquid output pipe 4-1 is communicated below the receiving disc to the outside of the kettle. The center of the bottom of the take-up pan 4 is provided with 1 round hole for passing through the upright post 5, and the take-up pan 4 is welded on the upright post 5 by utilizing the round hole. A feed liquid output pipe 4-1 extends from one side of the receiving disc 4.
When the cooling 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, spirally flows through the inner condensation plate 1 from bottom to top to reach the end point of the spiral groove 1-2, then is output out of a kettle through the condensate outlet 2-3, the connecting pipe 6, the pipe joint 6-3 and the condensate output pipe 6-2, escaping molecules of light components are condensed into drops through the inner condensation plate, flow downwards through the guide grooves 1-1 arrayed on the outer circular surface of the inner condensation plate 1 until the light components drop into the material receiving disc 4, and then is output out of the kettle through the material liquid output pipe 4-1 below.
The embodiment further provides a specific processing method for the key component of the internal condensing device, namely the internal condensing plate 1, and the specific processing method is processed in a die-casting mode, and the specific casting die structure is shown in fig. 7 and comprises a cylinder 8-1, a supporting plate 8-2, a die core assembly and a mandril assembly.
The top view of the cylinder body 8-1 is shown in figure 10, the bottom of the center is provided with mandril threaded holes 8-17, and the periphery is provided with guide rod holes 8-16 which are arranged in an array; 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 coaxial mandril stepped holes 8-15 at positions corresponding to the mandril threaded holes 8-17, and the bottom view is shown in figure 9. Second threaded holes 8-14 are turned along the outer ring of the periphery of the threaded holes. The ejector rod component 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 as shown in figure 8. And a second through hole 8-13 corresponding to the second threaded hole 8-14 is formed in the ejector rod cover plate 8-12 and is fixed on the lower surface of the supporting plate through a bolt. The concrete structure of the ejector rod 8-4 is shown in figure 11, the cross section is T-shaped, the vertical part is provided with external threads, the bottom part 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 specific structure of the mold core assembly is shown in fig. 12-13, and the embodiment adopts a combined mold core, which comprises a cylindrical rod core 8-5 in the middle; a circular truncated cone for circumferential fixing is also extended from the upper surface of the rod core. A first mold core 8-6, a second mold core 8-19 and a 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 jointly form an outer mold core part. The outer wall surface of each mold core of the outer mold core part is provided with spiral protruding ribs 8-9 which are matched with each other to form complete spiral protruding ribs; the upper end face of the outer mold core part is provided with a convex disc, and the mold core component is covered on the wall of the cylinder body through the disc. And a gap is left between the outer die core part and the inner wall surface of the cylinder body, namely the 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 respectively; and the upper surface of the rod core is covered with mold core pressing plates 8-10, and the rod core is circumferentially fixed through cylindrical steps.
The specific processing steps are as follows:
step S1, assembling a casting mold, die-casting the molten casting material into a mold cavity, exhausting air by utilizing an air exhaust hole on the mold core, and opening the mold after cooling; firstly, taking down a mold core pressing plate, extracting a central rod core, horizontally and sequentially extracting first to fifth mold cores, rotating an ejector rod to eject parts of an inner condensation plate upwards, and taking out the parts;
step S2, processing the inner circle, the outer circle and the end face of the inner condensation plate in a turning mode;
and S3, clamping the excircle of the blank of the inner condensation plate by using the excircle clamping copper three-jaw, 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 to see light.
S4, taking the visible light end face as an end face clamping reference, clamping the inner circle of the inner condensation plate by using an inner hole tensioning copper three-jaw clamp, supporting the tail part by using a center frame, turning the outer circle of the inner condensation plate to a designed size, and taking out the other end face to the designed size; turning the outer circle of the center frame to the designed size;
step S5, processing a diversion trench on the excircle of the inner condensation plate by using a planer;
and step S6, removing the inner cold plate surface burrs.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (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 condensation plate is arranged at the outer side of the step bracket in a matching way, and the upper part of the inner condensation plate is fixedly provided with a gland; a plurality of flow guide grooves 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, the spiral groove is spirally wound on the inner wall of the central through hole from bottom to top, and an 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 outlet of the spiral groove 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 material receiving disc positioned below the supporting part; and a feed liquid output pipe extends out of one side of the receiving disc.
2. The internal condensing device for the molecular still according to claim 1, wherein the bottom and upper portion of said frame are respectively provided with a lower through hole and an upper through hole for extending out of the connecting tube at the positions corresponding to the inlet and outlet of the spiral groove; sealing grooves are respectively arranged below the lower through hole and above the upper through hole of the bracket, and sealing belts for preventing liquid leakage are arranged in the grooves.
3. The internal condensing device for the molecular distiller as claimed in claim 1, wherein the funnel-shaped receiving tray has a through hole at its bottom matching with the outer diameter of the column and is fixed to the outside of the column by welding.
4. The internal condensing device for a molecular still according to claim 1, wherein the condensate inlet and the condensate outlet are respectively fixed to a connecting pipe by a screw thread, and the other end of the connecting pipe is connected to the condensate inlet input pipe and the condensate output pipe by pipe joints; the connecting pipe is inserted into the spiral groove in an interference fit mode, and therefore pipeline connection is achieved.
5. The internal condensing device for molecular distiller of claim 1, wherein said bracket has a plurality of first threaded holes arranged in an array along the circumference, and a gland having a matching through hole at the corresponding position is fixed on the bracket by screw connection.
6. A method for processing the inner condensation plate in the inner condensation device for the molecular still as claimed in any one of claims 1 to 5, wherein the inner condensation plate is manufactured by casting, and the casting mold comprises a cylinder body, a supporting plate, a mold core component and a mandril 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 component 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, a step hole is formed at the corresponding position of the bottom of the supporting plate, the cross section of the ejector rod is T-shaped and is installed in the step hole in a matching manner; the mold core assembly comprises a central cylindrical rod core; first to fifth mold cores are sequentially arranged along the circumferential direction of the outer wall surface of the rod core to form an outer mold core part; the outer wall surface of each mold core of the outer mold core part is provided with a spiral convex rib which is matched with each other to form a complete spiral convex rib; the upper end surface of the outer mold core part is provided with a convex disc, and the mold core assembly is covered on the cylinder wall through the disc; a gap is left between the outer die core part and the inner wall surface of the cylinder body, and the gap is 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 respectively; a mold core pressing plate is covered on the upper surface of the rod core;
the specific processing steps comprise:
step S1, assembling a casting mold, die-casting the molten casting material into a mold cavity, exhausting air by utilizing an air exhaust hole on the mold core, and opening the mold after cooling; firstly, taking down a mold core pressing plate, extracting a central rod core, horizontally and sequentially extracting first to fifth mold cores, rotating an ejector rod to eject parts of an inner condensation plate upwards, and taking out the parts;
step S2, processing the inner circle, the outer circle and the end face of the inner condensation plate in a turning mode;
and S3, clamping the excircle of the blank of the inner condensation plate by using the excircle clamping copper three-jaw, 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 to see light.
S4, taking the visible light end face as an end face clamping reference, clamping the inner circle of the inner condensation plate by using an inner hole tensioning copper three-jaw clamp, supporting the tail part by using a center frame, turning the outer circle of the inner condensation plate to a designed size, and taking out the other end face to the designed size; turning the outer circle of the center frame to the designed size;
step S5, processing a diversion trench on the excircle of the inner condensation plate by using a planer;
and step S6, removing the inner cold plate surface burrs.
7. The method of claim 6, wherein the top rod hole is internally threaded, the vertical portion of the top rod is externally threaded, and the bottom end of the vertical portion is provided with a hexagonal step which can be rotated by a wrench.
8. The method as claimed in claim 7, wherein a cap plate is further provided between the T-shaped pin and the lower surface of the support plate, and the cap plate is fastened to the inner bottom surface of the support plate by a screw.
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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