CN108844354A - A kind of drying device of nylon 6 slice - Google Patents
A kind of drying device of nylon 6 slice Download PDFInfo
- Publication number
- CN108844354A CN108844354A CN201810874923.8A CN201810874923A CN108844354A CN 108844354 A CN108844354 A CN 108844354A CN 201810874923 A CN201810874923 A CN 201810874923A CN 108844354 A CN108844354 A CN 108844354A
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- Prior art keywords
- drying chamber
- nozzle
- nylon
- drying
- slice
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/12—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
- F26B17/14—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the materials moving through a counter-current of gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/003—Supply-air or gas filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of drying devices of nylon 6 slice, including：Drying chamber；With the cast hopper being connect at the top of drying chamber；The third nozzle of the shifting batch can connecting with the top of drying chamber, the 4th nozzle and drying chamber connects, for making the slice of drying chamber enter shifting batch can according to the vacuum state for moving batch can；The turnover panel for moving batch can and drying chamber is connected to or completely cut off according to vacuum state；Nitrogen heater, inlet end are connect with the filtering outlet end of nitrogen input terminal and filtration drying component；First nozzle of outlet side and drying chamber connection, for being passed through hot nitrogen to drying chamber；Outlet side is also connect with the second nozzle of drying chamber, for being continually fed into hot nitrogen to drying chamber；Cyclone wind motor is connect, for evacuating the gas moved in batch can with batch can is moved；Also it is connect with the filtering arrival end of filtration drying component；Vacuum pump is connect with drying chamber.The drying device of nylon 6 slice of the invention is at low cost, water-retention value small in size and nylon 6 slice is low.
Description
Technical field
The present invention relates to the dry field of nylon 6 slice, in particular to a kind of drying devices of nylon 6 slice.
Background technique
Nylon 6 slice is a kind of thermoplastic, is widely used in the side such as automobile, machinery, daily product and chemical building material
Face can also be used as the basis of modified resin.The nylon 6 slice of spinning fibre grade at present, the aqueous requirement of factory is 300~
600PPm, but due to transport storage etc., when using nylon 6 slice, the water-retention value of nylon 6 slice can be big for spinning manufacturer
In 600PPm, so that fibre strength be caused to reduce, when spinning, breaks end, and spinning is caused not meet market demands.
In the prior art, nylon 6 slice use the continuous drying dehydration of nitrogen, it is dewatered slice from the top of drying tower into
Enter, and with hot nitrogen counter current contacting in drying tower, slice is slowly flowed downward with certain speed, from drying tower bottom after drying
Portion's discharge.Wet nitrogen is extracted out from tower top, is entered in the middle part of drying tower after a part of heated device heating, another part enters desuperheat
Device cooling, subsequently into spray tower bottom, and the low-temperature cooling water counter current contacting got off from spray column top spray, so that nitrogen
In moisture and entrainment dust separation, then heated device heating again, enters in tower from drying tower lower part, reuses.So
And in the drying process in, due to not being vacuum-treated in drying tower, so the water-retention value of nylon 6 slice is difficult to reach 300PPm
Hereinafter, and the nylon 6 slice of the prior art is continuous drying mode, drying time is long and device is huge, and nylon 6 is caused to be cut
The drying cost of piece increases.Therefore, design it is a kind of can it is inexpensive, small in size, dry after nylon 6 slice water-retention value be lower than
The drying device of the nylon 6 slice of 300PPm becomes one of those skilled in the art's urgent problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of drying device of nylon 6 slice, the costs of the drying device of the nylon 6 slice
The water-retention value of nylon 6 slice low, small in size and after drying is lower than 300PPm.
To achieve the goals above, the technical scheme is that：
A kind of drying device of nylon 6 slice comprising：
Drying chamber comprising：The first nozzle in the middle part of the drying chamber is set, is arranged in the of the dry pot bottom
Two nozzles, the third nozzle that the dry pot bottom is set；
Cast hopper is connect with the top of the drying chamber, for putting into nylon 6 slice to the drying chamber；
Batch can is moved, bottom is connect with the top of the drying chamber；
The shifting batch can includes：4th nozzle and turnover panel；4th nozzle is connect with the third nozzle, is used for basis
The vacuum state for moving batch can makes the nylon 6 slice of the drying chamber enter the shifting batch can；The turnover panel is arranged described
Batch can bottom is moved, for making the top of the bottom for moving batch can and the drying chamber according to the vacuum state for moving batch can
Connection or isolation；
Filtration drying component comprising filtering arrival end and filtering outlet end；
Nitrogen heater comprising inlet end and outlet side；The inlet end and nitrogen input terminal and the filtration drying
The filtering outlet end of component connects；The outlet side is connect with first nozzle, for being passed through hot nitrogen to the drying chamber；
The outlet side is also connect with second nozzle, for being continually fed into hot nitrogen to the drying chamber；
Cyclone wind motor, one end are connect with the shifting batch can, for evacuating the gas in the shifting batch can；The other end and institute
State the filtering arrival end connection of filtration drying component；
Vacuum pump is connect with the drying chamber, for extracting the gas in the drying chamber.
Further, the cast hopper is additionally provided with feed valves, and the feed valves are arranged in the cast hopper and the drying chamber
Between, it is connected to or completely cuts off with the drying chamber for controlling the cast hopper.
Further, when the Cyclone wind motor works, the shifting batch can is in vacuum state, and the turnover panel closure is described dry
Nylon 6 slice in dry tank enters the shifting batch can；
When the Cyclone wind motor stops, the shifting batch can is in non-vacuum, and the turnover panel is opened, in the shifting batch can
Nylon 6 slice enter the drying chamber, and the nitrogen heater is persistently led to the drying chamber by second nozzle
Enter hot nitrogen.
Further, the drying chamber further includes：Dry tank shell, the gas distribution cone being arranged in the dry tank shell and
Drying chamber discharge nozzle in the dry tank shell is set；
The dry tank shell is connect with first nozzle；
The gas distribution cone is equipped with ventilation hole, and the aperture of the ventilation hole is less than the partial size of nylon 6 slice；
The drying chamber discharge nozzle is connect with the bottom of the gas distribution cone；The drying chamber discharge nozzle is also with described second
Nozzle is connected with the third nozzle.
Further, the drying chamber further includes drying chamber blow-off valve, and the drying chamber blow-off valve is arranged in the drying chamber
On discharge nozzle, for making the drying chamber be connected to or completely cut off with transfer cask.
Further, the shifting batch can further includes having shifting expects pipe, and described one end for moving expects pipe is connect with the third nozzle, separately
One end is connect with the 4th nozzle.
Further, the filtration drying component successively includes lobe pump, dust filter unit and height according to the flow direction of nitrogen
Molecular membrane filters.
Further, the filtering arrival end of the filtration drying component is also connect with the top of the drying chamber.
Further, the lower section of the drying chamber is arranged in the transfer cask；
The transfer cask includes：Transfer cask feed inlet at the top of the transfer cask is set, and is arranged in the transport
The transfer cask discharge port of pot bottom；The transfer cask feed inlet is connect with the drying chamber discharge port by pipeline, for receiving
The dry nylon 6 slice finished in the drying chamber.
Further, the transfer cask further include be arranged in it is described transport pot bottom the 5th nozzle, the 5th nozzle with
The connection of the filtering outlet end of the nitrogen input terminal and/or the filtration drying component.
Compared with prior art, the present invention has the following technical effects：
The drying device of nylon 6 slice of the invention extracts the gas for moving batch can when Cyclone wind motor works, makes
Nylon 6 slice in drying chamber, which enters, to be moved in batch can, and when Cyclone wind motor stops, the nylon 6 slice for moving batch can falls to drying chamber
It is interior, and with the hot nitrogen counter current contacting that rises in drying chamber, hot nitrogen takes away the dust of nylon 6 slice and moisture and enters shifting
In batch can.It is again turned on Cyclone wind motor, the nitrogen for being mixed with dust and moisture moved in batch can is extracted, and filter input terminal
Dehydration is filtered in dry component.The Cyclone wind motor is switched by multiple discontinuity, cuts the nylon 6 in the drying chamber
Drying process can be repeated several times in piece, instead of the single side with rising hot nitrogen counter current contacting of nylon 6 slice in the prior art
Formula can not only be repeated several times the dry water-retention value to reduce nylon 6 slice, can also reduce the volume of drying chamber, reduce at
This.
In order to better understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the drying device of nylon 6 slice of the invention.
【Appended drawing reference】
10 drying chamber, 102 gas distribution cone, 103 drying chamber discharge nozzle
105 drying chamber blow-off valves 106 move expects pipe
20 cast hopper, 201 feed valves
30 transfer cask, 301 transfer cask feed inlet, 302 transfer cask discharge port
303 the 5th nozzles
40 move the 4th nozzle of 401 turnover panel 402 of batch can
50 501 first nozzle of nitrogen heater, 502 third nozzle
503 second nozzle, 504 inlet end, 505 outlet side
60 Cyclone wind motors
70 vacuum pump, 701 vacuum pump inlet, 702 vacuum pump outlet
80 filtration drying component, 801 lobe pump, 802 dust filter unit
803 polymeric membrane filters 804 filter 805 filtering outlet end of arrival end
90 nitrogen input terminal, 900 pressure regulator valve, 901 first control valve
The 4th control valve of 902 second control valve, 903 third control valve 904
The 7th control valve of 905 the 5th the 6th control valve 907 of control valve 906
911 first shut-off valve of the 9th control valve of 908 the 8th control valve 909
912 second shut-off valve, 913 third shut-off valve
Specific embodiment
In order to be fully understood from the purpose of the present invention, feature and effect, below with reference to attached drawing to design of the invention, tool
Body structure and the technical effect of generation are described further.
Nylon 6 slice carries out in continuous drying treatment process, and dewatered nylon 6 slice enters from the top of drying tower,
And with hot nitrogen counter current contacting in drying tower, nylon 6 slice is slowly flowed downward with certain speed, from drying tower after drying
Bottom discharge.In the prior art, in order to enable nylon 6 slice fully with hot nitrogen counter current contacting, drying tower needs have
Certain height completes entire drying process so that it is guaranteed that nylon 6 slice has enough contact distances.However this nylon 6 is cut
The drying mode of piece, necessary not only for bulky drying tower, and drying effect is undesirable, cannot make every part of nylon 6 slice
Water-retention value ensure in 300PPm or less.
As shown in Figure 1, to solve the above-mentioned problems, the present invention provides a kind of drying device of nylon 6 slice comprising：
Drying chamber 10 comprising：First nozzle 501 at 10 middle part of drying chamber is set, is arranged in the drying chamber
Second nozzle 503 of 10 bottoms, the third nozzle 502 that 10 bottom of drying chamber is set；
Cast hopper 20 is connect with the top of the drying chamber 10, for putting into nylon 6 slice to the drying chamber 10；
Batch can 40 is moved, bottom is connect with the top of the drying chamber 10；
The shifting batch can 40 includes：4th nozzle 402 and turnover panel 401；4th nozzle 402 and the third nozzle
502 connections, for expecting that the nylon 6 slice of the drying chamber 10 into the shifting according to the vacuum state for moving batch can 40
Tank 40；The setting of turnover panel 401 is in 40 bottom of shifting batch can, for making described according to the vacuum state for moving batch can 40
The bottom for moving batch can 40 is connected to or completely cuts off with the top of the drying chamber 10；
Filtration drying component 80 comprising filtering arrival end 804 and filtering outlet end 805；
Nitrogen heater 50 comprising inlet end 504 and outlet side 505；The inlet end 504 and nitrogen input terminal 90 and
The filtering outlet end 805 of the filtration drying component 80 connects；The outlet side 505 is connect with first nozzle 501, is used for
Hot nitrogen is passed through to the drying chamber 10；The outlet side 505 is also connect with second nozzle 503, is used for the drying
Tank 10 is continually fed into hot nitrogen；
Cyclone wind motor 60, one end are connect with the shifting batch can 40, for evacuating the gas in the shifting batch can 40；It is another
End is connect with the filtering arrival end of the filtration drying component 80；
Vacuum pump 70 is connect with the drying chamber 10, for extracting the gas in the drying chamber 10.
Specifically, nylon 6 slice is added described in drying chamber 10 by the cast hopper 20 by staff, is adjusted
Positioned at the pressure regulator valve 900 and the first shut-off valve 911 of nitrogen input terminal, the air pressure for adjusting nitrogen is 0.1MPa.It opens and is located at nitrogen
First control valve 901 of input terminal, the cold nitrogen that the nitrogen heater 50 is inputted nitrogen input terminal 90 are heated to be 110 DEG C
Hot nitrogen, and A.T.C.Open the second control valve 902 for being located at the outlet side 505 of the nitrogen heater 50, institute
The hot nitrogen for stating nitrogen heater 50 enters in the drying chamber 10 through first nozzle 501, in the drying chamber 10
Slice carry out heating and the air in drying chamber 10 be discharged outside the drying chamber through the cast hopper, to complete entire throw
Material process.
After feeding intake, the feed valves 201 are closed, the second control valve 902 opens first control valve 901 and institute
It states the third control valve 903 moving batch can 40 and connecting, the 4th control valve 904 connecting with the Cyclone wind motor 60, be located at the nitrogen
5th control valve 905 of the outlet side 505 of hot-air heater 50, is located at institute at the 6th control valve 906 connecting with the drying chamber 10
State the 7th control valve 907 and the second shut-off valve 912 of the filtering output end of filtration drying component.The rotation is switched by discontinuous
Whirlpool blower 60, when the Cyclone wind motor 60 work, the Cyclone wind motor 60 extracts the gas in the shifting batch can 40,
The turnover panel 401 is closed under the action of Cyclone wind motor 60, makes the bottom for moving batch can 40 and the drying chamber 10
Top isolation, at the same time, the nylon 6 slice of the drying chamber 10 under the action of negative pressure, is sucked out by the third nozzle 502,
It is drawn into the shifting batch can 40 through the shifting expects pipe 106 and the 4th nozzle 402.When the Cyclone wind motor 60 stops,
The shifting batch can is in non-vacuum, and the turnover panel 401 is opened under the effect of gravity, the nylon 6 slice moved in batch can
It is fallen in the drying chamber 10 under the effect of gravity, at the same time, the outlet side 505 of the nitrogen heater 50 is by hot nitrogen
The drying chamber 10 is persistently input to through second nozzle 503.The nylon 6 slice fallen and the hot nitrogen gas countercurrent of rising connect
Touching, hot nitrogen takes away the moisture of nylon 6 slice and dust, and enters the shifting batch can 40 or the filtration drying component 80
In.It is again turned on the Cyclone wind motor 60, the Cyclone wind motor 60 is to the gas for being mixed with moisture and dust in the shifting batch can 40
Body is extracted, and the gas is input in the filtration drying component 80, after being filtered and dry, filter and having dried
Reenter in the nitrogen heater and heated through the filtering outlet end.The vortex is switched by multiple discontinuity
Blower 60 enables the nylon 6 slice in the drying chamber 10 that drying process is repeated several times, and cuts instead of nylon 6 in the prior art
The single mode with rising hot nitrogen counter current contacting of piece, can not only be repeated several times dry to reduce the aqueous of nylon 6 slice
Value, can also reduce the volume of drying chamber, reduce cost.It should be noted that when drying process is repeated several times in nylon 6 slice,
Nylon 6 slice can all be stirred up and down, to increase the contact area of nylon 6 slice and hot nitrogen.Therefore, drying process
Need the nylon 6 slice in drying chamber can be dried within 1 hour.
Close first control valve 901, the second control valve 902, third control valve 903, the 4th control valve the 904, the 5th
Control valve 905, the 6th control valve 906 and the 7th control valve 907 open first control valve 908, start the vacuum pump
70, the vacuum pump 70 in the drying chamber 10 nitrogen and moisture extract, make the vacuum degree in the drying chamber 10
Less than 200Pa, further the nylon 6 slice in the drying chamber 10 is dried.The vacuum pump 70 further includes vacuum pump
Import 701 and vacuum pump outlet 702, nitrogen and moisture in the drying chamber 10 enter through the vacuum pump inlet 701, and from
The vacuum pump outlet is expelled to external environment.
Further, the cast hopper 20 is additionally provided with feed valves 201, the setting of feed valves 201 the cast hopper 20 with
Between the drying chamber 10, it is connected to or completely cuts off with the drying chamber 10 for controlling the cast hopper 20.
Further, when the Cyclone wind motor 60 works, the shifting batch can 40 is in vacuum state, and the turnover panel 401 is closed,
Nylon 6 slice in the drying chamber 10 enters the shifting batch can 40；
When the Cyclone wind motor 60 stops, the shifting batch can 40 is in non-vacuum, and the turnover panel 401 is opened, described
Move batch can 40 in nylon 6 slice enter the drying chamber 10, and the nitrogen heater 50 by second nozzle 503 to
The drying chamber 10 is continually fed into hot nitrogen.
Further, the drying chamber 10 further includes：Dry tank shell is arranged in the intracorporal cloth gas coning of 10 shell of drying chamber
Body 102 and the drying chamber discharge nozzle 103 being arranged in the dry tank shell；
The dry tank shell is connect with first nozzle 501；
The gas distribution cone 102 is equipped with ventilation hole, and the aperture of the ventilation hole is less than the partial size of nylon 6 slice；
The drying chamber discharge nozzle 103 is connect with the bottom of the gas distribution cone 102；The drying chamber discharge nozzle 103 is also
It is connect with second nozzle 503 and the third nozzle 502.
Specifically, the hot nitrogen of the nitrogen heater 50 enters in the drying chamber 10 through first nozzle 501, and
Ventilation hole through the gas distribution cone 102 transfers heat to nylon 6 slice.The nylon 6 slice is along the gas distribution cone 102
Inclined-plane slide into the drying chamber discharge nozzle 103, so as to through the third nozzle 502 enter move batch can 40 in.It is described
Hot nitrogen can also enter in drying chamber 10 through second nozzle 503 from the bottom of drying chamber, be fallen with increasing nylon 6 slice
When contact distance with hot nitrogen.
Further, the drying chamber 10 further includes drying chamber blow-off valve 105, and the drying chamber blow-off valve 105 is arranged in institute
It states on drying chamber discharge nozzle 103, for making the drying chamber 10 be connected to or completely cut off with transfer cask 30.
Further, the shifting batch can 40 further includes having to move expects pipe 106, described one end for moving expects pipe 106 and the third pipe
Mouth 502 connects, and the other end is connect with the 4th nozzle 402.
Further, the filtration drying component 80 successively includes lobe pump 801, dust filter unit according to the flow direction of nitrogen
802 and polymeric membrane filter 803.The nitrogen of the filtering arrival end 804 is forced into 4bar by the lobe pump 801, and is made
It, which enters in the dust filter unit 802, filters dust, enters back into polymeric membrane filter 803 and is dehydrated, then again through described
Filtering outlet end 805 enters Recycling in nitrogen heater 40.It should be noted that polymeric membrane filter can block moisture content
Low dew point (- 50 DEG C) is obtained, to obtain high pure nitrogen, the water-retention value of nylon 6 slice of the invention is made to be less than 300PPm.
Further, the filtering arrival end 804 of the filtration drying component 80 is also connect with the top of the drying chamber 10, with
Just the hot nitrogen with moisture and dust enters directly into the filtration drying component 80.
Further, the lower section of the drying chamber 10 is arranged in the transfer cask 30；
The transfer cask 30 includes：The transfer cask feed inlet 301 at 30 top of transfer cask is set, and is arranged in institute
State the transfer cask discharge port 302 of 30 bottom of transfer cask；The transfer cask feed inlet 301 passes through pipe with 10 discharge port of drying chamber
Road connection, for receiving the dry nylon 6 slice finished in the drying chamber 10.In order to receive the nylon 6 of the drying chamber 10
Slice opens first control valve 901, the 6th control valve 906, the 7th control valve 907, the 9th control valve 909, closes the 8th
Control valve 908.Start lobe pump 801 to pressurize, nitrogen enters in drying chamber 10 through the first nozzle 501, carries out nylon 6 slice
Cool down and enter in the filtration drying component and is recycled.
Further, the transfer cask 30 further includes the 5th nozzle 303 that 30 bottom of transfer cask is arranged in, and the described 5th
Nozzle 303 is connect with the filtering arrival end of the nitrogen input terminal and/or the filtration drying component 80.Open the drying chamber
Blow-off valve 10 enters the nylon 6 slice in the drying chamber 10 in the transfer cask 30 and carries out discharge, opens third cut-off
Valve 913 is passed through nitrogen by the 5th nozzle, prevents air from entering in the transfer cask 30.At the end of discharge, described in closing
First control valve 901, the 6th control valve 906, the 7th control valve 907, the 9th control valve 909 and lobe pump 801, and close transport
Tank feed inlet 301 makes the air exclusion of transfer cask 30 Yu external environment, opens the transport again when needing to be discharged nylon 6 slice
Tank discharge port 302.
It should be noted that the above-mentioned mentioned valve switch arrived, control system can be used to automatically control, also may be selected
Manually control.
The invention is not limited to above embodiment, if not departing from the present invention to various changes or deformation of the invention
Spirit and scope, if these changes and deformation belong within the scope of claim and equivalent technologies of the invention, then this hair
It is bright to be also intended to encompass these changes and deformation.
Claims (10)
1. a kind of drying device of nylon 6 slice, which is characterized in that including：
Drying chamber comprising：The second pipe that the first nozzle in the middle part of the drying chamber is set, the dry pot bottom is set
Mouth, the third nozzle that the dry pot bottom is set；
Cast hopper is connect with the top of the drying chamber, for putting into nylon 6 slice to the drying chamber；Move batch can, bottom
Portion is connect with the top of the drying chamber；
The shifting batch can includes：4th nozzle and turnover panel；4th nozzle is connect with the third nozzle, for according to
The vacuum state for moving batch can makes the nylon 6 slice of the drying chamber enter the shifting batch can；The turnover panel setting is expected in the shifting
Pot bottom, for being connected to the bottom for moving batch can with the top of the drying chamber according to the vacuum state for moving batch can
Or isolation；
Filtration drying component comprising filtering arrival end and filtering outlet end；
Nitrogen heater comprising inlet end and outlet side；The inlet end and nitrogen input terminal and the filtration drying component
Filtering outlet end connection；The outlet side is connect with first nozzle, for being passed through hot nitrogen to the drying chamber；It is described
Outlet side is also connect with second nozzle, for being continually fed into hot nitrogen to the drying chamber；
Cyclone wind motor, one end are connect with the shifting batch can, for evacuating the gas in the shifting batch can；The other end and the mistake
Filter the filtering arrival end connection of dry component；
Vacuum pump is connect with the drying chamber, for extracting the gas in the drying chamber.
2. the drying device of nylon 6 slice according to claim 1, it is characterised in that：
The cast hopper is additionally provided with feed valves, and the feed valves are arranged between the cast hopper and the drying chamber, for controlling
It makes the cast hopper and is connected to or completely cuts off with the drying chamber.
3. the drying device of nylon 6 slice according to claim 1, it is characterised in that：
When the Cyclone wind motor works, the shifting batch can is in vacuum state, and the turnover panel is closed, the nylon in the drying chamber
6 slices enter the shifting batch can；
When the Cyclone wind motor stops, the shifting batch can is in non-vacuum, and the turnover panel is opened, the Buddhist nun moved in batch can
6 slice of dragon enters the drying chamber, and the nitrogen heater is continually fed into heat to the drying chamber by second nozzle
Nitrogen.
4. the drying device of nylon 6 slice according to claim 1, it is characterised in that：
The drying chamber further includes：Dry tank shell, the gas distribution cone being arranged in the dry tank shell and setting are described
Drying chamber discharge nozzle in dry tank shell；
The dry tank shell is connect with first nozzle；
The gas distribution cone is equipped with ventilation hole, and the aperture of the ventilation hole is less than the partial size of nylon 6 slice；
The drying chamber discharge nozzle is connect with the bottom of the gas distribution cone；The drying chamber discharge nozzle also with second nozzle
It is connected with the third nozzle.
5. the drying device of nylon 6 slice according to claim 4, it is characterised in that：
The drying chamber further includes drying chamber blow-off valve, and the drying chamber blow-off valve is arranged on the drying chamber discharge nozzle, is used
In making the drying chamber be connected to or completely cut off with transfer cask.
6. the drying device of nylon 6 slice according to claim 1, it is characterised in that：
The shifting batch can further includes having shifting expects pipe, it is described move expects pipe one end connect with the third nozzle, the other end with it is described
The connection of 4th nozzle.
7. the drying device of nylon 6 slice according to claim 5, it is characterised in that：
The filtration drying component successively includes that lobe pump, dust filter unit and polymeric membrane filter according to the flow direction of nitrogen
Device.
8. the drying device of nylon 6 slice according to claim 1 or claim 7, it is characterised in that：
The filtering arrival end of the filtration drying component is also connect with the top of the drying chamber.
9. the drying device of nylon 6 slice according to claim 7, it is characterised in that：
The lower section of the drying chamber is arranged in the transfer cask；
The transfer cask includes：Transfer cask feed inlet at the top of the transfer cask is set, and is arranged at the transfer cask bottom
The transfer cask discharge port in portion；The transfer cask feed inlet is connect with the drying chamber discharge port by pipeline, described for receiving
The dry nylon 6 slice finished in drying chamber.
10. the drying device of nylon 6 slice according to claim 9, it is characterised in that：
The transfer cask further includes the 5th nozzle that the transport pot bottom is arranged in, and the 5th nozzle and the nitrogen input
End and/or the connection of the filtering outlet end of the filtration drying component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810874923.8A CN108844354B (en) | 2018-08-01 | 2018-08-01 | Drying device for nylon 6 slices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810874923.8A CN108844354B (en) | 2018-08-01 | 2018-08-01 | Drying device for nylon 6 slices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108844354A true CN108844354A (en) | 2018-11-20 |
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| EP3767211A1 (en) * | 2019-07-17 | 2021-01-20 | Matsui Mfg. Co., Ltd. | Drying apparatus for granular materials and drying method for granular materials |
| IT202200014653A1 (en) * | 2022-07-12 | 2024-01-12 | Pegaso Ind S P A | Plant and process for drying polymer granular material |
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