CN115282622B - Distillation tower capable of realizing cold-hot circulation and used for medicine intermediate extraction - Google Patents
Distillation tower capable of realizing cold-hot circulation and used for medicine intermediate extraction Download PDFInfo
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- CN115282622B CN115282622B CN202210947114.1A CN202210947114A CN115282622B CN 115282622 B CN115282622 B CN 115282622B CN 202210947114 A CN202210947114 A CN 202210947114A CN 115282622 B CN115282622 B CN 115282622B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/42—Regulation; Control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Extraction Or Liquid Replacement (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a distillation tower for extracting pharmaceutical intermediates capable of realizing cold and hot circulation, which belongs to the technical field of distillation towers.
Description
Technical Field
The invention relates to a distillation tower, in particular to a distillation tower capable of realizing cold and hot circulation for medical intermediate extraction, and belongs to the technical field of distillation towers.
Background
The distillation tower is made of rare metal titanium and other materials and alloy materials thereof, and chemical equipment manufactured by the distillation tower has the characteristics of high strength, high toughness, high temperature resistance, corrosion resistance, light specific gravity and the like; therefore, the method is widely applied to the fields of chemical industry, petrochemical industry, metallurgy, light industry, textile, alkali production, pharmacy, pesticide, electroplating, electronics and the like.
The distillation tower for extracting the medicine in the prior art can not perform good secondary filtration on the high-temperature gas generated during the use, so that the purity of the extraction can not be controlled well;
the distillation tower for extracting the medicine middle in the prior art cannot fully utilize the kinetic energy generated by high-temperature steam when in use, so that the energy waste is caused;
in addition, the prior art cannot fully utilize the heat energy of high-temperature steam to perform the function of preheating the entered raw materials;
therefore, a distillation tower for extracting medicine middle with cold and hot circulation is designed to solve the problems.
Disclosure of Invention
The invention mainly aims to provide a distillation tower for extracting medicine middle capable of realizing cold and hot circulation, which is characterized in that raw materials are introduced into a preheating pipe, then enter into a raw material introducing pipe through a feed valve, are distributed in a raw material distributing pipe to be placed on a supporting frame in the distillation tower, an electric heating plate is started to heat at high temperature through a supporting frame of a guide Wen Gandui, then raw materials are evaporated and extracted, a driven fan blade is driven by high temperature steam to regulate a steam sucking disc and a hollow rotating rod to rotate, the high temperature steam enters into the hollow rotating rod through the steam sucking disc, then enters into a steam guiding pipe through the hollow rotating rod, a driven gear is driven to regulate movement through the rotation of the hollow rotating rod, a water pump blade is driven by the driven gear to move, liquid in a water tank is pumped into a water pump cover from a liquid suction pipe through the water pump blade, and is pumped into a first water pipe from the water pump cover, the liquid enters into the spiral heat absorption pipe through the first water pipe, then carries out heat exchange and cooling treatment on high-temperature steam passing through the steam delivery pipe, then flows to the spiral heat release pipe through the water guide pipe to carry out heating treatment on the added raw materials, further drives the first bevel gear to move through the movement of the vertical rotating shaft, drives the horizontal rotating rod through the second bevel gear through the first bevel gear, drives the vertical rotating rod through the horizontal rotating rod through the fourth bevel gear, drives the vertical rotating rod through the third bevel gear through the fourth bevel gear, drives the fifth bevel gear through the vertical rotating rod, regulates the sixth bevel gear to move through the sixth bevel gear, drives the hinging rod through the horizontal rotating rod to push the vertical pushing rod to move, drives the water guide pipe to carry out friction cleaning through the vertical pushing rod back and forth, the high-temperature steam after heat exchange enters the filtering bin for filtering and is discharged from the filtering liquid outlet valve.
The aim of the invention can be achieved by adopting the following technical scheme:
the utility model provides a but cold and hot circulation's medicine intermediate extraction is with distillation column, the side middle part department of distillation column installs the water tank, the interior middle part department of distillation column is installed steam drive flabellum subassembly through the bearing, the top department intercommunication of steam drive flabellum subassembly has heat transfer steam delivery tube subassembly, just the side middle part department of distillation column installs the filtration storehouse, just the inside of filtration storehouse is equipped with elastic filter screen subassembly, elastic filter screen subassembly with heat transfer steam delivery tube subassembly top department intercommunication, the top department of distillation column installs half arc cover, the one end that steam drive flabellum subassembly is located half arc cover is installed the driving gear, the top lateral part department of distillation column is equipped with water pump assembly, this water pump assembly with driving gear intermeshing is driven by the driving gear, the utility model discloses a distillation column, including the water tank, the side bottom department of distillation column is equipped with the water distribution pipe subassembly, and the input intercommunication of this water distribution pipe subassembly has the preheating pipe subassembly, constitutes energy-conserving heat transfer group between heat transfer steam delivery pipe subassembly, preheating pipe subassembly and water pump assembly and the water tank, the water pump assembly includes the vertical shaft, just the vertical shaft passes through the bearing and installs the top department of distillation column, the outside of vertical shaft is equipped with the bevel gear subassembly that runs through the semi-arc cover, the side fixed plate is installed to the side middle part department of filtration storehouse, just be equipped with the regulating disk subassembly on the side fixed plate, the output of this regulating disk subassembly be equipped with insert to in the filtration storehouse and with the clearance pole subassembly of mutually supporting of elastic filter screen subassembly, the regulating disk subassembly with the bevel gear subassembly mutually supports, the inner bottom department of distillation column is equipped with electric heating assembly.
Preferably, the steam drive fan blade assembly comprises a driven fan blade, a steam sucking disc, a hollow rotating rod and an air suction cover, wherein the hollow rotating rod is arranged at the inner middle part of the distillation tower through a bearing, the steam sucking disc is arranged at the outer top part of the hollow rotating rod at equal intervals, the driven fan blade is arranged at the outer middle part and the bottom part of the hollow rotating rod, and the air suction cover is communicated with the bottom of the hollow rotating rod.
Preferably, the heat exchange steam delivery pipe assembly comprises a lower sealing rotary table, a second limiting ring, a first limiting ring, an upper sealing rotary table, a second water pipe, a steam discharge valve and a steam delivery pipe, wherein the lower sealing rotary table is installed at the outer top of the hollow rotary table, the upper sealing rotary table is arranged at the top of the lower sealing rotary table, the first limiting ring inserted into the lower sealing rotary table is installed at the bottom of the upper sealing rotary table, the second water pipe is arranged at the top of the hollow rotary table, the second limiting ring is installed at the bottom of the second water pipe, the second limiting ring is inserted into the top side of the hollow rotary table, the steam discharge valve is communicated with the steam discharge pipe through the semi-arc-shaped cover, the spiral heat absorbing pipe is wound at the outer side of the steam delivery pipe, one end of the spiral heat absorbing pipe is communicated with the first water pipe, the bottom of the first water pipe is communicated with the top of the water pump cover, and the other end of the spiral heat absorbing pipe is communicated with the preheating pipe assembly.
Preferably, the elastic filter screen assembly comprises a filter screen, vibration springs and a ring frame, wherein the ring frame is arranged on the inner wall of the filter bin at equal intervals, the vibration springs are arranged on the top of the ring frame, and the filter screen is arranged on the top of the vibration springs;
the water pump assembly comprises a water pump blade, a driven gear, a water pump cover and a side water pump frame, wherein the water pump cover is arranged at the side part of the inner wall of the semi-arc-shaped cover through the side water pump frame, the water pump blade is arranged in the water pump cover, a vertical rotating shaft penetrating through the water pump cover is arranged at the bottom middle part of the water pump blade, the driven gear is arranged at the outer middle part of the vertical rotating shaft, and the driven gear is meshed with the driving gear.
Preferably, the water distribution pipe assembly comprises a raw material inlet pipe, a raw material distribution pipe and a feed valve, wherein the raw material inlet pipe inserted into the distillation tower is arranged at the side bottom of the distillation tower, the raw material distribution pipe positioned in the distillation tower is communicated with the outer side of the raw material inlet pipe, and the feed valve is communicated with the outer end part of the raw material inlet pipe;
the preheating pipe assembly comprises a spiral heat-release pipe, a water guide pipe, a raw material guide preheating pipe, a heat exchange liquid guide pipe and a liquid discharge valve, wherein the end part of the feed valve is communicated with the raw material guide preheating pipe, the spiral heat-release pipe is wound on the outer side of the raw material guide preheating pipe, one end of the spiral heat-release pipe is communicated with the heat exchange liquid guide pipe, the end part of the heat exchange liquid guide pipe is communicated with the liquid discharge valve, the other end of the spiral heat-release pipe is communicated with the water guide pipe, and the other end of the water guide pipe is communicated with the other end of the spiral heat absorption pipe.
Preferably, the bevel gear assembly comprises a first bevel gear, a second bevel gear, a horizontal rotating rod, a fourth bevel gear, a third bevel gear, a vertical rotating rod, a fifth bevel gear and a sixth bevel gear, wherein the first bevel gear is installed at the middle part of the outer side of the vertical rotating shaft, the second bevel gear is meshed with the outer side of the first bevel gear, the horizontal rotating rod penetrating through the semi-arc-shaped cover is installed on one side of the second bevel gear, the fourth bevel gear is installed at the other end of the horizontal rotating rod, the third bevel gear is meshed with the outer side of the fourth bevel gear, the vertical rotating rod is installed at the bottom of the third bevel gear, the fifth bevel gear is installed at the bottom of the vertical rotating rod, and the sixth bevel gear is meshed with the outer side of the fifth bevel gear.
Preferably, the adjusting disk assembly comprises a rotary disk, a horizontal rotary rod and a hinging rod, wherein the horizontal rotary rod is arranged at the side end part of the side fixing plate in a penetrating mode, the horizontal rotary rod is connected with the side fixing plate through a bearing, a sixth bevel gear is arranged at one end of the horizontal rotary rod, the rotary disk is arranged at the other end of the horizontal rotary rod, the hinging rod is hinged to the outer side edge part of the rotary disk, and the other end of the hinging rod is hinged to the cleaning rod assembly.
Preferably, the cleaning rod assembly comprises a vertical push rod, a horizontal cleaning rod and a water guide pipe, wherein the vertical push rod is hinged at the end part of the hinged rod, the horizontal cleaning rod is installed at an equidistant distance from one side of the turntable by the vertical push rod, one end of the horizontal cleaning rod is inserted into the filter bin, the water guide pipe matched with the filter screen is arranged at the bottom end part of the horizontal cleaning rod, the rotating rod limiting frame is installed at the side top part of the filter bin, and the rotating rod limiting frame is connected with the vertical rotating rod through a bearing.
Preferably, a liquid suction pipe is communicated with the bottom side part of the water pump cover, the other end of the liquid suction pipe penetrates through the semi-arc cover to be communicated with a water tank, and a water outlet valve is communicated with the side top part of the water tank;
the electric heating assembly comprises an electric heating plate, a guide Wen Gan and a supporting frame, wherein the electric heating plate is arranged at the inner bottom of the distillation tower, the side part of the electric heating plate is provided with the guide Wen Gan penetrating into the distillation tower, and the supporting frame is arranged at the top of the temperature guide rod;
supporting legs are arranged at the bottoms of the filtering bin and the distillation tower, and bases are arranged at the bottoms of the supporting legs.
Preferably, the distillation column further comprises the following methods of use:
step one: the raw materials are led into a preheating pipe, then enter a raw material inlet pipe through a feed valve, and are distributed in a raw material distribution pipe to a distillation tower to fall on a support frame;
step two: starting an electric heating plate to heat at high temperature through a support frame of a guide Wen Gandui, and then evaporating and extracting the raw materials;
step three: the high-temperature steam drives the driven fan blades to adjust the steam sucking disc and the hollow rotating rod to rotate, and the high-temperature steam enters the hollow rotating rod through the steam sucking disc and then enters the steam guide pipe through the hollow rotating rod;
step four: the driving gear is driven to regulate the movement of the driven gear through the rotation of the hollow rotating rod, and the water pump blade is driven to move through the driven gear;
step five: pumping the liquid in the water tank into the water pump cover from the liquid suction pipe through the water pump blade, pumping the liquid into the first water pipe from the water pump cover, entering the spiral heat absorption pipe through the first water pipe, and performing heat exchange and cooling treatment on high-temperature steam passing through the steam delivery pipe;
step six: then the heated liquid flows to a spiral heat release pipe through a water guide pipe to heat the added raw materials;
step seven: the first bevel gear is further driven to move through the movement of the vertical shaft, the second bevel gear is regulated to drive the horizontal rotating rod through the first bevel gear, the fourth bevel gear is regulated through the horizontal rotating rod, the third bevel gear is regulated to drive the vertical rotating rod to move through the fourth bevel gear, the fifth bevel gear is driven to move through the vertical rotating rod, and the sixth bevel gear is regulated to move through the fifth bevel gear;
step eight: the sixth bevel gear is used for adjusting the movement of the horizontal rotating rod, the horizontal rotating rod is used for adjusting the turntable to drive the hinging rod to push the vertical push rod to move, and the vertical push rod is used for pushing the water guide pipe back and forth to perform friction cleaning on the filter screen;
step nine: the high-temperature steam after heat exchange enters the filtering bin for filtering and is discharged from the filtering liquid outlet valve.
The beneficial technical effects of the invention are as follows:
the invention provides a distillation tower for extracting medicine middle capable of cold and hot circulation, which is characterized in that raw materials are guided into a raw material guiding preheating pipe, then enter the raw material guiding pipe through a feeding valve and fall on a supporting frame in the distillation tower, then an electric heating plate is started to conduct high-temperature heating through a supporting frame of a guide Wen Gandui, then raw materials are evaporated and extracted, a driven fan blade is driven by high-temperature steam to adjust a steam sucking disc and a hollow rotating rod to rotate, and the high-temperature steam enters the hollow rotating rod through the steam sucking disc, then enters the steam guiding pipe through the hollow rotating rod, a driving gear is driven to adjust a driven gear to move through the rotation of the hollow rotating rod, a water pump blade is driven by the driven gear to move, liquid in a water tank is pumped into a water pump cover from the water pump cover to a first water pipe, enters the spiral heat absorbing pipe through the first water pipe, then conducts heat exchange and cooling treatment on the high-temperature steam passing through the steam guiding pipe, then the heated liquid flows to a spiral heat releasing pipe to conduct heating treatment on the raw materials, further drives a first bevel gear to move through a vertical rotating shaft, then drives a horizontal bevel gear to rotate through the vertical rotating shaft, drives a horizontal bevel gear to rotate, drives a horizontal adjusting and a filter screen to rotate, a horizontal bevel gear to drive the horizontal bevel gear to rotate, a vertical adjusting and a filter to rotate, a vertical adjusting bevel gear to drive the horizontal and a vertical adjusting and a filter to rotate, a vertical adjusting bevel gear to rotate, a vertical and a vertical adjusting and a vertical and a filter, the high-temperature steam after heat exchange enters the filtering bin for filtering and is discharged from the filtering liquid outlet valve.
Drawings
FIG. 1 is a schematic view showing the overall structure of a distillation column for extracting pharmaceutical intermediates capable of cold and hot circulation according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram showing the overall structure of a distillation column according to a preferred embodiment of a distillation column for extraction of pharmaceutical intermediates capable of cold and hot cycles according to the present invention;
FIG. 3 is a schematic view showing a heating element structure of a distillation column for extracting pharmaceutical intermediates capable of cold and hot circulation according to a preferred embodiment of the present invention;
FIG. 4 is an enlarged view showing the structure at c of a preferred embodiment of a distillation column for extraction of pharmaceutical intermediates capable of cold and hot cycles according to the present invention;
FIG. 5 is an enlarged view showing the structure of a distillation column for extraction of pharmaceutical intermediates capable of cold and hot cycles according to the preferred embodiment of the present invention;
FIG. 6 is a schematic view showing a combined structure of a filter screen assembly and a linkage adjusting plate assembly of a preferred embodiment of a distillation column for extracting pharmaceutical intermediates capable of cold and hot circulation according to the present invention;
FIG. 7 is an enlarged view showing the structure of the distillation column for extraction of pharmaceutical intermediates capable of cold and hot cycles according to the preferred embodiment of the present invention;
FIG. 8 is an enlarged view showing the structure of a point b of a distillation column for extraction of pharmaceutical intermediates capable of cold and hot cycles according to a preferred embodiment of the present invention;
FIG. 9 is an enlarged view showing the structure of a distillation column for extraction of pharmaceutical intermediates capable of cold and hot cycles according to the preferred embodiment of the present invention;
FIG. 10 is a schematic view showing a structure of a feed pipe assembly of a distillation column for extracting pharmaceutical intermediates capable of cold and hot cycles according to a preferred embodiment of the present invention.
In the figure: the device comprises a 1-filtering bin, a 2-supporting leg, a 3-base, a 4-distillation tower, a 5-liquid suction pipe, a 6-water tank, a 7-water outlet valve, a 8-horizontal rotating rod, a 9-vertical rotating rod, a 10-rotating disc, a 11-side fixed plate, a 12-hinged rod, a 13-vertical pushing rod, a 14-horizontal cleaning rod, a 15-water guide pipe, a 16-steam suction disc, a 17-hollow rotating rod, a 18-steam guide pipe, a 19-driven fan blade, a 20-semi-arc cover, a 21-suction cover, a 22-raw material guide pipe, a 23-raw material distribution pipe, a 24-feeding valve, a 25-electric heating plate, a 26-guide Wen Gan, a 27-supporting frame, a 28-water pump cover, a 29-water pump blade, a 30-driven gear, a 31-driving gear, a 32-first conical gear, a 33-second conical gear, a 34-vertical rotating shaft, a 35-first water pipe, a 36-second water pipe, a 37-upper sealing rotating disc, a 38-lower sealing rotating disc, a 39-first limiting ring, a 40-second limiting ring, a 41-filtering liquid outlet valve, a 42-filtering liquid outlet valve, a 43-conical gear, a third conical gear, a 45-third conical gear, a 44-conical gear, a spiral heat exchange carrier, a conical gear and a 52-spiral heat exchange carrier, a 52-filtering liquid discharge valve, a 45-conical carrier, a 52-spiral heat exchange carrier, a spiral heat transfer pipe, a 46-conical carrier, and a spiral heat transfer pipe, and a spiral heat transfer carrier, and a spiral heat pipes.
Detailed Description
In order to make the technical solution of the present invention more clear and obvious to those skilled in the art, the present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-10, the distillation tower for extracting medicine middle with cold and hot circulation provided by the embodiment comprises a distillation tower 4, a water tank 6 is arranged at the side middle part of the distillation tower 4, a steam driving fan blade component is arranged at the inner middle part of the distillation tower 4 through a bearing, a heat exchange steam delivery pipe component is communicated with the top part of the steam driving fan blade component, a filter bin 1 is arranged at the middle part of one side of the distillation tower 4, an elastic filter screen component is arranged in the filter bin 1 and is communicated with the top part of the heat exchange steam delivery pipe component, a semi-arc-shaped cover 20 is arranged at the top part of the distillation tower 4, a driving gear 31 is arranged at one end of the steam driving fan blade component positioned in the semi-arc-shaped cover 20, a water pump component is arranged at the top side part of the distillation tower 4, the water pump component and the driving gear 31 are meshed with each other and driven by the driving gear 31, the side bottom department of distillation column 4 is equipped with the water distribution pipe subassembly, this water distribution pipe subassembly's input intercommunication has the preheating pipe subassembly, constitute energy-conserving heat transfer group between heat transfer steam delivery pipe subassembly, preheating pipe subassembly and water pump assembly and the water tank 6, the water pump assembly includes the vertical shaft 34, and the vertical shaft 34 passes through the bearing and installs in the top department of distillation column 4, the outside of vertical shaft 34 is equipped with the bevel gear subassembly that runs through semi-arc cover 20, side fixed plate 11 is installed to the side middle part department of filtration storehouse 1, and be equipped with the regulating disk subassembly on the side fixed plate 11, the output of this regulating disk subassembly is equipped with the clearance pole subassembly that inserts in filtration storehouse 1 and mutually support with elastic filter screen subassembly, regulating disk subassembly and bevel gear subassembly mutually support, the interior bottom department of distillation column 4 is equipped with the electrical heating subassembly.
In this embodiment, the steam driving fan blade assembly comprises a passive fan blade 19, a steam sucking disc 16, a hollow rotating rod 17 and an air suction cover 21, wherein the hollow rotating rod 17 is installed at the inner middle part of the distillation tower 4 through a bearing, the steam sucking disc 16 is arranged at the outer top part of the hollow rotating rod 17 at equal intervals, the passive fan blade 19 is arranged at the outer middle part and the bottom part of the hollow rotating rod 17, and the air suction cover 21 is communicated with the bottom part of the hollow rotating rod 17.
In this embodiment, the heat exchange steam delivery pipe assembly includes a lower sealing turntable 38, a second limiting ring 40, a first limiting ring 39, an upper sealing turntable 37, a second water pipe 36, a steam discharge valve 49 and a steam delivery pipe 18, the lower sealing turntable 38 is installed at the outer top of the hollow rotating rod 17, the upper sealing turntable 37 is arranged at the top of the lower sealing turntable 38, the first limiting ring 39 inserted into the lower sealing turntable 38 is installed at the bottom of the upper sealing turntable 37, the second water pipe 36 is arranged at the top of the hollow rotating rod 17, the second limiting ring 40 is installed at the bottom of the second water pipe 36, and the second limiting ring 40 is inserted into the top side of the hollow rotating rod 17, the steam discharge valve 49 is communicated with the steam delivery pipe 18 through the semi-arc-shaped cover 20 at the top of the second water pipe 36, the spiral heat absorbing pipe 48 is wound at the outer side of the steam delivery pipe 18, one end of the spiral heat absorbing pipe 48 is communicated with the first water pipe 35, the bottom of the first water pipe 35 is communicated with the top of the water pump cover 28, and the other end of the spiral absorbing pipe 48 is communicated with the preheating pipe assembly.
In the embodiment, the elastic filter screen assembly comprises a filter screen 42, vibration springs 46 and a ring frame 47, wherein the ring frame 47 is arranged on the inner wall of the filter bin 1 at equal intervals, the vibration springs 46 are arranged at the top of the ring frame 47, and the filter screen 42 is arranged at the top of the vibration springs 46;
the water pump assembly comprises a water pump blade 29, a driven gear 30, a water pump cover 28 and a side water pump frame, wherein the water pump cover 28 is installed at the side part of the inner wall of the semi-arc-shaped cover 20 through the side water pump frame, the water pump blade 29 is arranged in the water pump cover 28, a vertical rotating shaft 34 penetrating through the water pump cover 28 is installed at the bottom middle part of the water pump blade 29, the driven gear 30 is installed at the outer middle part of the vertical rotating shaft 34, and the driven gear 30 is meshed with the driving gear 31.
In the present embodiment, the water distribution pipe assembly comprises a raw material introducing pipe 22, a raw material distributing pipe 23 and a feed valve 24, wherein the raw material introducing pipe 22 inserted into the distillation tower 4 is installed at the side bottom of the distillation tower 4, the raw material distributing pipe 23 positioned in the distillation tower 4 is communicated with the outer side of the raw material introducing pipe 22, and the feed valve 24 is communicated with the outer end part of the raw material introducing pipe 22;
the preheating pipe assembly comprises a spiral heat-release pipe 50, a water guide pipe 15, a raw material guide preheating pipe 52, a heat exchange liquid guide pipe 51 and a liquid discharge valve, wherein the end part of the feed valve 24 is communicated with the raw material guide preheating pipe 52, the spiral heat-release pipe 50 is wound on the outer side of the raw material guide preheating pipe 52, one end of the spiral heat-release pipe 50 is communicated with the heat exchange liquid guide pipe 51, the end part of the heat exchange liquid guide pipe 51 is communicated with the liquid discharge valve, the other end of the spiral heat-release pipe 50 is communicated with the water guide pipe 15, and the other end of the water guide pipe 15 is communicated with the other end of the spiral heat absorption pipe 48.
In the present embodiment, the bevel gear assembly includes a first bevel gear 32, a second bevel gear 33, a horizontal rotating rod 8, a fourth bevel gear 45, a third bevel gear 43, a vertical rotating rod 9, a fifth bevel gear and a sixth bevel gear, the first bevel gear 32 is installed at the middle of the outer side of the vertical rotating shaft 34, the second bevel gear 33 is engaged with the outer side of the first bevel gear 32, the horizontal rotating rod 8 penetrating through the semi-arc-shaped cover 20 is installed at one side of the second bevel gear 33, the fourth bevel gear 45 is installed at the other end of the horizontal rotating rod 8, the third bevel gear 43 is engaged with the outer side of the fourth bevel gear 45, the vertical rotating rod 9 is installed at the bottom of the third bevel gear 43, the fifth bevel gear is installed at the bottom of the vertical rotating rod 9, and the sixth bevel gear is engaged with the outer side of the fifth bevel gear.
In this embodiment, the adjusting disk assembly includes carousel 10, horizontal rotation bull stick 53 and articulated pole 12, and the side tip department of side fixed plate 11 runs through and is equipped with horizontal rotation bull stick 53, and is connected through the bearing between horizontal rotation bull stick 53 and the side fixed plate 11, and sixth bevel gear is installed to one end of horizontal rotation bull stick 53, and carousel 10 is installed to the other end of horizontal rotation bull stick 53, and the outside limit department of carousel 10 articulates there is articulated pole 12, and the other end and the clearance pole assembly of articulated pole 12 articulate.
In this embodiment, the cleaning rod assembly includes vertical push rod 13, horizontal cleaning rod 14 and water guide pipe 15, and the tip department of articulated rod 12 articulates there is vertical push rod 13, and horizontal cleaning rod 14 is installed to one side equidistant of vertical push rod 13 far away from carousel 10, and the inside of filtering storehouse 1 is inserted to one end of horizontal cleaning rod 14, and the bottom department of horizontal cleaning rod 14 is equipped with the water guide pipe 15 mutually supporting with filter screen 42, and the bull stick spacing 44 is installed to the side top department of filtering storehouse 1, and is connected through the bearing between bull stick spacing 44 and the perpendicular bull stick 9.
In the embodiment, a liquid suction pipe 5 is communicated at the bottom side part of a water pump cover 28, the other end of the liquid suction pipe 5 penetrates through a semi-arc cover 20 to be communicated with a water tank 6, and a water outlet valve 7 is communicated at the side top part of the water tank 6;
the electric heating assembly comprises an electric heating plate 25, a guide Wen Gan and a support frame 27, wherein the electric heating plate 25 is arranged at the inner bottom of the distillation tower 4, a temperature guide rod 26 penetrating into the distillation tower 4 is arranged at the side part of the electric heating plate 25, and the support frame 27 is arranged at the top part of the guide Wen Gan;
the bottom of the filter bin 1 and the bottom of the distillation tower 4 are both provided with supporting legs 2, and the bottom of the supporting legs 2 is provided with a base 3.
In this embodiment, the distillation column further comprises the following methods of use:
step one: the raw materials are led into the raw material leading-in preheating pipe 52, then enter the raw material leading-in pipe 22 through the feed valve 24, and are distributed into the distillation column 4 in the raw material distributing pipe 23 to fall on the supporting frame 27;
step two: starting the electric heating plate 25 to heat the supporting frame 27 at a high temperature through the guide Wen Gan, and then evaporating and extracting the raw materials;
step three: the driven fan blades 19 are driven by high-temperature steam to rotate, the steam sucking disc 16 and the hollow rotating rod 17 are regulated, and the high-temperature steam enters the hollow rotating rod 17 through the steam sucking disc 16 and then enters the steam delivery pipe 18 through the hollow rotating rod 17;
step four: the driving gear 31 is driven by the rotation of the hollow rotating rod 17 to regulate the movement of the driven gear 30, and the water pump vane 29 is driven by the driven gear 30 to move;
step five: the liquid in the water tank 6 is pumped into the water pump cover 28 from the liquid suction pipe 5 through the water pump blade 29, is pumped into the first water pipe 35 from the water pump cover 28, enters the spiral heat absorption pipe 48 through the first water pipe 35, and then carries out heat exchange and cooling treatment on the high-temperature steam passing through the steam delivery pipe 18;
step six: the heated liquid then flows to the spiral heat release pipe 50 through the water guide pipe 15 to heat the added raw material;
step seven: the first bevel gear 32 is further driven to move through the movement of the vertical rotating shaft 34, the second bevel gear 33 is regulated through the first bevel gear 32 to drive the horizontal rotating rod 8, the fourth bevel gear 45 is regulated through the horizontal rotating rod 8, the third bevel gear 43 is regulated through the fourth bevel gear 45 to drive the vertical rotating rod 9 to move, the fifth bevel gear is driven to move through the vertical rotating rod 9, and the sixth bevel gear is regulated through the fifth bevel gear to move;
step eight: the sixth bevel gear is used for adjusting the horizontal rotating rod 53 to move, the rotary table 10 is adjusted by the horizontal rotating rod 53 to drive the hinging rod 12 to push the vertical push rod 13 to move, and the water guide pipe 15 is pushed back and forth by the vertical push rod 13 to perform friction cleaning on the filter screen 42;
step nine: the high-temperature steam after heat exchange enters the filter house 1 for filtering and is discharged from the filtered liquid valve 41.
The above is merely a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art will be able to apply equivalents and modifications according to the technical solution and the concept of the present invention within the scope of the present invention disclosed in the present invention.
Claims (7)
1. A but cold and hot circulation's medicine intermediate extraction is with distillation column, its characterized in that: the energy-saving distillation device comprises a distillation tower (4), a water tank (6) is arranged at the middle part of the side of the distillation tower (4), a steam driving fan blade assembly is arranged at the middle part of the inner part of the distillation tower (4) through a bearing, a heat exchange steam delivery pipe assembly is communicated with the top part of the steam driving fan blade assembly, a filtering bin (1) is arranged at the middle part of one side of the distillation tower (4), an elastic filter screen assembly is arranged in the filtering bin (1), the elastic filter screen assembly is communicated with the top part of the heat exchange steam delivery pipe assembly, a semi-arc-shaped cover (20) is arranged at the top part of the distillation tower (4), a driving gear (31) is arranged at one end of the steam driving fan blade assembly, which is positioned in the semi-arc-shaped cover (20), a water pump assembly is arranged at the top side part of the distillation tower (4), the water pump assembly is meshed with the driving gear (31), a water distribution pipe assembly is arranged at the bottom part of the side of the distillation tower (4), the input end of the water distribution pipe assembly is communicated with a preheating pipe assembly, a heat exchange steam delivery pipe assembly, a water pump assembly and a water pump assembly (34) are arranged between the heat exchange steam delivery pipe assembly and the heat exchange bevel gear assembly and the water pump assembly (34) and the water pump assembly through a rotating shaft (34) which penetrates through the bearing (34) and form a rotating shaft (34), a side fixing plate (11) is arranged at the side middle part of the filter bin (1), an adjusting disc assembly is arranged on the side fixing plate (11), a cleaning rod assembly which is inserted into the filter bin (1) and matched with the elastic filter screen assembly is arranged at the output end of the adjusting disc assembly, the adjusting disc assembly is matched with the bevel gear assembly, and an electric heating assembly is arranged at the inner bottom part of the distillation tower (4);
the steam driving fan blade assembly comprises a driven fan blade (19), a steam sucking disc (16), a hollow rotating rod (17) and an air suction cover (21), wherein the hollow rotating rod (17) is installed at the inner middle part of the distillation tower (4) through a bearing, the steam sucking disc (16) is arranged at the outer top part of the hollow rotating rod (17) at equal intervals, the driven fan blade (19) is arranged at the outer middle part and the bottom part of the hollow rotating rod (17), and the air suction cover (21) is communicated with the bottom of the hollow rotating rod (17);
the heat exchange steam delivery pipe assembly comprises a lower sealing rotary table (38), a second limiting ring (40), a first limiting ring (39), an upper sealing rotary table (37), a second water pipe (36), a steam discharge valve (49) and a steam delivery pipe (18), wherein the lower sealing rotary table (38) is installed at the outer top part of the hollow rotary table (17), the upper sealing rotary table (37) is arranged at the top part of the lower sealing rotary table (38), the first limiting ring (39) inserted into the lower sealing rotary table (38) is installed at the bottom part of the upper sealing rotary table (37), the second water pipe (36) is arranged at the top part of the hollow rotary table (17), the second limiting ring (40) is installed at the bottom part of the second water pipe (36), the top part of the second water pipe (36) penetrates through a semi-arc-shaped cover (20) to be communicated with the steam discharge valve (49), the output end of the steam discharge valve (49) is communicated with the steam delivery pipe (18), the top part of the second water pipe (35) is communicated with the first water suction pipe (35), the second water pipe (48) is spirally wound at the bottom part of the hollow rotary table (17) is communicated with the first water pipe (35), the other end of the spiral heat absorption pipe (48) is communicated with the preheating pipe assembly;
the elastic filter screen assembly comprises a filter screen (42), vibration springs (46) and a ring frame (47), wherein the ring frame (47) is arranged on the inner wall of the filter bin (1) at equal intervals, the vibration springs (46) are arranged at the top of the ring frame (47), and the filter screen (42) is arranged at the top of the vibration springs (46);
the water pump assembly comprises a water pump blade (29), a driven gear (30), a water pump cover (28) and a side water pump frame, wherein the water pump cover (28) is installed at the side part of the inner wall of the semi-arc cover (20) through the side water pump frame, the water pump blade (29) is arranged in the water pump cover (28), a vertical shaft (34) penetrating through the water pump cover (28) is installed at the bottom middle part of the water pump blade (29), the driven gear (30) is installed at the outer middle part of the vertical shaft (34), and the driven gear (30) is meshed with the driving gear (31).
2. The distillation column for extraction of pharmaceutical intermediates capable of cold and hot circulation according to claim 1, wherein: the water distribution pipe assembly comprises a raw material inlet pipe (22), a raw material distribution pipe (23) and a feed valve (24), wherein the raw material inlet pipe (22) inserted into the distillation tower (4) is arranged at the side bottom of the distillation tower (4), the raw material distribution pipe (23) positioned in the distillation tower (4) is communicated with the outer side of the raw material inlet pipe (22), and the feed valve (24) is communicated with the outer end part of the raw material inlet pipe (22);
the preheating pipe assembly comprises a spiral heat-release pipe (50), a water guide pipe (15), a raw material guiding preheating pipe (52), a heat exchange liquid guiding pipe (51) and a liquid discharge valve, wherein the end part of the feed valve (24) is communicated with the raw material guiding preheating pipe (52), the spiral heat-release pipe (50) is wound on the outer side of the raw material guiding preheating pipe (52), one end of the spiral heat-release pipe (50) is communicated with the heat exchange liquid guiding pipe (51), the end part of the heat exchange liquid guiding pipe (51) is communicated with the liquid discharge valve, the other end of the spiral heat-release pipe (50) is communicated with the water guide pipe (15), and the other end of the water guide pipe (15) is communicated with the other end of the spiral heat absorption pipe (48).
3. The distillation column for extraction of pharmaceutical intermediates capable of cold and hot circulation according to claim 2, wherein: the bevel gear assembly comprises a first bevel gear (32), a second bevel gear (33), a horizontal rotating rod (8), a fourth bevel gear (45), a third bevel gear (43), a vertical rotating rod (9), a fifth bevel gear and a sixth bevel gear, wherein the first bevel gear (32) is installed at the middle part of the outer side of the vertical rotating shaft (34), the second bevel gear (33) is meshed with the outer side of the first bevel gear (32), the horizontal rotating rod (8) penetrating through the semi-arc-shaped cover (20) is installed on one side of the second bevel gear (33), the fourth bevel gear (45) is installed at the other end of the horizontal rotating rod (8), the third bevel gear (43) is meshed with the outer side of the fourth bevel gear (45), the vertical rotating rod (9) is installed at the bottom of the third bevel gear (43), the fifth bevel gear is installed at the bottom of the vertical rotating rod (9), and the sixth bevel gear is meshed with the outer side of the fifth bevel gear.
4. A distillation column for extracting pharmaceutical intermediates capable of cold and hot circulation according to claim 3, wherein: the adjusting disk assembly comprises a rotary disk (10), a horizontal rotary rod (53) and a hinging rod (12), wherein the horizontal rotary rod (53) is penetrated and arranged at the side end part of the side fixing plate (11), the horizontal rotary rod (53) is connected with the side fixing plate (11) through a bearing, a sixth bevel gear is arranged at one end of the horizontal rotary rod (53), the rotary disk (10) is arranged at the other end of the horizontal rotary rod (53), the hinging rod (12) is hinged at the outer side part of the rotary disk (10), and the other end of the hinging rod (12) is hinged with the cleaning rod assembly.
5. The distillation column for extraction of pharmaceutical intermediates capable of cold and hot cycles according to claim 4, wherein: the cleaning rod assembly comprises a vertical push rod (13), a horizontal cleaning rod (14) and a water guide pipe (15), wherein the vertical push rod (13) is hinged at the end part of the hinged rod (12), the horizontal cleaning rod (14) is installed at an equal interval on one side of the rotary disc (10) away from the vertical push rod (13), one end of the horizontal cleaning rod (14) is inserted into the filter bin (1), the water guide pipe (15) matched with the filter screen (42) is arranged at the bottom end part of the horizontal cleaning rod (14), the rotary rod limiting frame (44) is installed at the side top part of the filter bin (1), and the rotary rod limiting frame (44) is connected with the vertical rotary rod (9) through a bearing.
6. The distillation column for extraction of pharmaceutical intermediates capable of cold and hot cycles according to claim 5, wherein: a liquid suction pipe (5) is communicated with the bottom side part of the water pump cover (28), the other end of the liquid suction pipe (5) penetrates through the semi-arc cover (20) to be communicated with the water tank (6), and a water outlet valve (7) is communicated with the side top part of the water tank (6);
the electric heating assembly comprises an electric heating plate (25), a temperature guide rod (26) and a supporting frame (27), wherein the electric heating plate (25) is arranged at the inner bottom of the distillation tower (4), the side part of the electric heating plate (25) is provided with the temperature guide rod (26) penetrating into the distillation tower (4), and the supporting frame (27) is arranged at the top of the temperature guide rod (26);
the bottom of filter house (1) and the bottom of distillation column (4) are all installed supporting leg (2), base (3) are installed to the bottom of supporting leg (2).
7. The distillation column for extraction of pharmaceutical intermediates capable of cold and hot cycles according to claim 6, wherein: the distillation column also comprises the following using method:
step one: the raw materials are led into a raw material leading-in preheating pipe (52), then enter a raw material leading-in pipe (22) through a feed valve (24), are distributed into a distillation tower (4) in a raw material distribution pipe (23) and fall on a supporting frame (27);
step two: starting an electric heating plate (25) to heat the supporting frame (27) at a high temperature through a temperature guide rod (26), and then evaporating and extracting raw materials;
step three: the driven fan blades (19) are driven by high-temperature steam to rotate, the steam sucking disc (16) and the hollow rotating rod (17) are regulated, and the high-temperature steam enters the hollow rotating rod (17) through the steam sucking disc (16) and then enters the steam delivery pipe (18) through the hollow rotating rod (17);
step four: the driving gear (31) is driven by the rotation of the hollow rotating rod (17) to regulate the movement of the driven gear (30), and the water pump blade (29) is driven by the driven gear (30) to move;
step five: the liquid in the water tank (6) is pumped into the water pump cover (28) from the liquid suction pipe (5) through the water pump blade (29), is pumped into the first water pipe (35) from the water pump cover (28), enters the spiral heat absorption pipe (48) through the first water pipe (35), and then carries out heat exchange and cooling treatment on high-temperature steam passing through the steam delivery pipe (18);
step six: then the heated liquid flows to a spiral heat-release pipe (50) through a water guide pipe (15) to heat the added raw materials;
step seven: the first bevel gear (32) is further driven to move through the movement of the vertical shaft (34), the second bevel gear (33) is regulated through the first bevel gear (32) to drive the horizontal rotating rod (8), the fourth bevel gear (45) is regulated through the horizontal rotating rod (8), the third bevel gear (43) is regulated through the fourth bevel gear (45) to drive the vertical rotating rod (9) to move, the fifth bevel gear is driven to move through the vertical rotating rod (9), and the sixth bevel gear is regulated through the fifth bevel gear to move;
step eight: the horizontal rotating rod (53) is regulated to move through a sixth bevel gear, the rotating disc (10) is regulated through the horizontal rotating rod (53) to drive the hinged rod (12) to push the vertical push rod (13) to move, and the water guide pipe (15) is pushed back and forth through the vertical push rod (13) to perform friction cleaning on the filter screen (42);
step nine: the high-temperature steam after heat exchange enters the filtering bin (1) for filtering and is discharged from the filtering liquid outlet valve (41).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210947114.1A CN115282622B (en) | 2022-08-09 | 2022-08-09 | Distillation tower capable of realizing cold-hot circulation and used for medicine intermediate extraction |
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| CN202210947114.1A CN115282622B (en) | 2022-08-09 | 2022-08-09 | Distillation tower capable of realizing cold-hot circulation and used for medicine intermediate extraction |
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| CN115282622B true CN115282622B (en) | 2023-07-21 |
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| CN116198825A (en) * | 2023-03-02 | 2023-06-02 | 山东中鸿特检生物科技有限公司 | Isolation anti-mutual interference detection kit and production method thereof |
| CN116020154B (en) * | 2023-03-28 | 2023-06-27 | 邢台市茂新化工产品有限公司 | Chemical distillation tower |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5783046A (en) * | 1994-11-28 | 1998-07-21 | Gentech, Inc. | Process and apparatus for the destructive distillation of rubber |
| CN212789812U (en) * | 2020-07-27 | 2021-03-26 | 福建省邵武市榕辉化工有限公司 | Energy-saving distillation column for producing medical intermediates |
| CN112675565A (en) * | 2020-12-03 | 2021-04-20 | 涡阳县华腾日用化学品有限公司 | Daily chemical production device and method with distillation function and rapid discharging function |
| CN216259152U (en) * | 2021-12-13 | 2022-04-12 | 山东胜华国宏新材料有限公司 | Cold and hot circulation transportation distillation tower |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5783046A (en) * | 1994-11-28 | 1998-07-21 | Gentech, Inc. | Process and apparatus for the destructive distillation of rubber |
| CN212789812U (en) * | 2020-07-27 | 2021-03-26 | 福建省邵武市榕辉化工有限公司 | Energy-saving distillation column for producing medical intermediates |
| CN112675565A (en) * | 2020-12-03 | 2021-04-20 | 涡阳县华腾日用化学品有限公司 | Daily chemical production device and method with distillation function and rapid discharging function |
| CN216259152U (en) * | 2021-12-13 | 2022-04-12 | 山东胜华国宏新材料有限公司 | Cold and hot circulation transportation distillation tower |
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