CN109304046A - A kind of extraction tower for cotton synthetic fibre PA6 - Google Patents
A kind of extraction tower for cotton synthetic fibre PA6 Download PDFInfo
- Publication number
- CN109304046A CN109304046A CN201811339630.6A CN201811339630A CN109304046A CN 109304046 A CN109304046 A CN 109304046A CN 201811339630 A CN201811339630 A CN 201811339630A CN 109304046 A CN109304046 A CN 109304046A
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- Prior art keywords
- plate
- ring flat
- extraction
- taper ring
- cone
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- 238000000605 extraction Methods 0.000 title claims abstract description 113
- 229920002994 synthetic fiber Polymers 0.000 title description 3
- 229920000742 Cotton Polymers 0.000 title description 2
- 235000010599 Verbascum thapsus Nutrition 0.000 claims abstract description 25
- 244000178289 Verbascum thapsus Species 0.000 claims abstract description 25
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 239000004952 Polyamide Substances 0.000 claims abstract description 13
- 229920002647 polyamide Polymers 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 74
- 238000000034 method Methods 0.000 claims description 5
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 abstract description 9
- 229920006052 Chinlon® Polymers 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- -1 column-shaped barrel Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical group O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0207—Control systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0215—Solid material in other stationary receptacles
- B01D11/0223—Moving bed of solid material
- B01D11/0242—Moving bed of solid material in towers, e.g. comprising contacting elements
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a kind of extraction towers for polyamide fibre PA6, including upper cone, column-shaped barrel, extract annular slab component, lower cone, upper cone, column-shaped barrel, lower cone combines as a whole from top to bottom and inside communicates, extraction annular slab component is several extraction annular slabs, several extraction annular slabs and it is distributed in the intracorporal different layers of pillar buoy, it includes big for extracting annular slab, fine taper ring flat-plate, fine taper ring flat-plate covers in big taper ring flat-plate, the inner circle edge of big taper ring flat-plate and the outer circular edge of fine taper ring flat-plate pass through link of boards, and the inner circle edge of big taper ring flat-plate is not contacted with the outer circular edge of fine taper ring flat-plate, big taper ring flat-plate outer diameter is equal with column-shaped barrel internal diameter, the outer diameter of fine taper ring flat-plate is equal with big taper ring flat-plate internal diameter, greatly, the cone angle of fine taper ring flat-plate is 90 °, it is W-shaped for extracting the axial cross section of annular slab.The present invention can be effectively reduced slice oligomer, realize the Resource regeneration of chinlon 6 section production.
Description
Technical field
The invention belongs to chemical production field, it is related to the extraction equipment for chinlon 6 section surface oligomers, and in particular to
A kind of extraction tower for polyamide fibre PA6.
Background technique
Polyamide fibre 6 (PA6) slice, molecular formula is-[NH (CH2)5CO]n, dissolve in phenol and the concentrated sulfuric acid of heat, there is heat
The characteristics such as plasticity, lightweight, good toughness, chemicals-resistant and durability be good are generally used for auto parts and components, mechanical part, electronics electricity
The products such as device product, engineering accessory are the fibers that wear-resisting property is best in synthetic fibers.
In the production of PA6 slice, dry chip oligomer is an important indicator for measuring chipping qualities, oligomer
Too high levels can be such that it evaporates during later period high speed spinning, increase broken end, generate the silk that floats, seriously affect product matter
Amount.Publication No. CN105233525A patent discloses a kind of umbrella shape allocation member for being conducive to particle flow in PA6 extraction tower,
Its shortcomings that there are the following aspects: 1, structure is complicated for inner member;2, the intermediate connection column inside extraction tower and connection
Beam causes certain resistance to material Radial Flow, and the utilization rate of extraction tower is lower;3, one-part form counter-current extraction, there are extraction waters
The problem low with slice heat transfer efficiency.Meanwhile having dead angle in the extraction tower tower, the drawbacks such as resistance to mass tranfer is big.
Summary of the invention
In order to solve the deficiencies in the prior art, an object of the present invention is to provide a kind of extraction tower for polyamide fibre PA6,
Slice oligomer is effectively reduced, the Resource regeneration of chinlon 6 section production is realized.
To achieve the goals above, the technical solution of the present invention is as follows:
A kind of extraction tower for polyamide fibre PA6, including upper cone, column-shaped barrel, extraction annular slab component, lower cone, on
Cone, column-shaped barrel, lower cone combine as a whole from top to bottom and inside communicates, and the cone mouth of upper cone is feed inlet, upper cone
Side wall opens up top water outlet, and the cone mouth of lower cone is discharge port, and the side wall of lower cone opens up lower water inlet, extracts annular slab
Component is several extraction annular slabs, several extraction annular slabs and is distributed in the intracorporal different layers of pillar buoy, extracts annular slab and includes
Large and small taper ring flat-plate, fine taper ring flat-plate cover in big taper ring flat-plate, the inner circle edge of big taper ring flat-plate and fine taper ring flat-plate it is outer
The edge of the circle is by link of boards, and the inner circle edge of big taper ring flat-plate is not contacted with the outer circular edge of fine taper ring flat-plate, big taper
Ring flat-plate outer diameter is equal with column-shaped barrel internal diameter, and the outer diameter of fine taper ring flat-plate is equal with big taper ring flat-plate internal diameter, large and small taper ring flat-plate
Cone angle be 90 °, extract annular slab axial cross section be it is W-shaped.
The taper ring flat-plate and two ring flat-plates that existing extraction annular slab is generally 40 ° by three cone angles form, and the present invention will
Extraction annular slab is changed to the taper ring flat-plate that two cone angles are 90 ° and constitutes, and two taper ring flat-plates are effectively reduced by link of boards
Extraction water circulation resistance, reduces ring flat-plate resistance, is more favorable for the flowing of slice.
Preferably, extraction annular slab is connect by gusset with column-shaped barrel.
Preferably, interior in column-shaped barrel to be equipped with 10 layers of extraction annular slab.
Preferably, the upper portion side wall of column-shaped barrel opens up circulating outlet, the lower sides of column-shaped barrel open up recycle into
The mouth of a river, circulating outlet connect circulation water inlet by pipeloop.By the way that extraction water recycle circuit is arranged, can effectively control
The uniformity coefficient of extraction water, to reach the uniform effect of effect of extracting.
It is further preferred that the pipeloop is equipped with water pump.
It is further preferred that the upper portion side wall of column-shaped barrel opens up two opposite circulating outlets, under column-shaped barrel
Portion's side wall opens up two opposite circulation water inlets, and ipsilateral circulating outlet is connected with circulation water inlet by pipeloop.
It is further preferred that extraction annular slab from top to bottom presses number of plies sequence, circulating outlet and circulation in column-shaped barrel
Water inlet setting is between the 4th layer of extraction annular slab and layer 5 extraction annular slab.
Still more preferably, the column-shaped barrel side wall on the top of the four, the seven, ten layers of extraction annular slab opens up manhole.
Preferably, column-shaped barrel installs heating coil.
Preferably, inner cone is cased in lower cone, the necking down direction of inner cone and the necking down direction of lower cone are identical, inner cone
The top of body is connect with lower cone, and junction is located at the top of lower water inlet, and the other parts of inner cone are hanging, make inner cone
Annular space is formed between body sidewall and lower cone side wall.The purpose is to avoid water from directly entering from the inlet in column-shaped barrel
Stable extraction water water inlet water flow is played the role of in portion, guarantees that extraction water inlet is uniform.
Preferably, the upper portion side wall of column-shaped barrel opens up top water inlet, and top water outlet connects top water inlet.
The second object of the present invention is to provide a kind of above-mentioned extraction tower to prepare the application in polyamide fibre PA6 technique.
The invention has the benefit that
Improve Temperature Distribution of the slice in extraction tower, strengthen the relative flow state of slice with water, so that slice is in weight
Power effect is lower to be come into full contact with upstream extraction water, in the identical situation of bath raio, improve extraction water and chinlon 6 section it
Between heat transfer, mass-transfer efficiency.Meanwhile improvement of the present invention for extraction annular slab, and can reduce the number of plies of extraction annular slab,
The piling height of the bulk density and tower interannular that are sliced in extraction tower can also be effectively improved, to reduce containing for slice oligomer
Amount.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the structural schematic diagram of traditional extraction annular slab;
Fig. 2 is the structural schematic diagram of extraction tower of the present invention;
Fig. 3 is the structural schematic diagram of present invention extraction annular slab;
Wherein, 1, upper cone, 2, cylindrical tube, 3, lower cone, 4, feed inlet, 5, top water outlet, 6, lower part water inlet
Mouthful, 7, discharge port, 8, inner cone, 9, steam inlet, 10, top water inlet, 11, condensation-water drain, 12, circulating outlet, 13,
Circulation water inlet, 14, manhole, 15, big taper ring flat-plate, 16, fine taper ring flat-plate, 17, gusset.
Specific embodiment
It is noted that described further below be all exemplary, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Upper cone described herein refers at the top of column-shaped barrel, by column-shaped barrel upward necking down structure that diameter is minimum
Mouth be upper cone cone mouth.
Lower cone described herein refers to column-shaped barrel bottom, the necking down structure downward by column-shaped barrel, and diameter is minimum
Mouth be lower cone cone mouth.
As background technique is introduced, the extraction tower heat and mass low efficiency film city of polyamide fibre PA6 exists in the prior art
The deficiency of product quality, in order to solve technical problem as above, present applicant proposes the extraction towers that kind is used for polyamide fibre PA6.
A kind of exemplary embodiment of the application provides a kind of extraction tower for polyamide fibre PA6, including upper cone, column
Shape cylinder, extraction annular slab component, lower cone, upper cone, column-shaped barrel, lower cone combine as a whole from top to bottom and internal phase
Logical, the cone mouth of upper cone is feed inlet, and the side wall of upper cone opens up top water outlet, and the cone mouth of lower cone is discharge port, lower cone
The side wall of body opens up lower water inlet, and extraction annular slab component is several extraction annular slabs, several extraction annular slabs and is distributed in
The intracorporal different layers of pillar buoy, extraction annular slab includes large and small taper ring flat-plate, and fine taper ring flat-plate covers in big taper ring flat-plate, greatly
The outer circular edge of the inner circle edge of taper ring flat-plate and fine taper ring flat-plate by link of boards, and the inner circle edge of big taper ring flat-plate with
The outer circular edge of fine taper ring flat-plate does not contact, and big taper ring flat-plate outer diameter is equal with column-shaped barrel internal diameter, the outer diameter of fine taper ring flat-plate
Equal with big taper ring flat-plate internal diameter, the cone angle of large and small taper ring flat-plate is 90 °, and it is W-shaped for extracting the axial cross section of annular slab.
The application will extract annular slab and be changed to the taper ring flat-plate composition that two cone angles are 90 °, and two taper ring flat-plates pass through
Link of boards effectively reduces extraction water circulation resistance, reduces ring flat-plate resistance, is more favorable for the flowing of slice.
Preferably, extraction annular slab is connect by gusset with column-shaped barrel.
Preferably, interior in column-shaped barrel to be equipped with 10 layers of extraction annular slab.
Preferably, the upper portion side wall of column-shaped barrel opens up circulating outlet, the lower sides of column-shaped barrel open up recycle into
The mouth of a river, circulating outlet connect circulation water inlet by pipeloop.By the way that extraction water recycle circuit is arranged, can effectively control
The uniformity coefficient of extraction water, to reach the uniform effect of effect of extracting.
It is further preferred that the pipeloop is equipped with water pump.
It is further preferred that the upper portion side wall of column-shaped barrel opens up two opposite circulating outlets, under column-shaped barrel
Portion's side wall opens up two opposite circulation water inlets, and ipsilateral circulating outlet is connected with circulation water inlet by pipeloop.
It is further preferred that extraction annular slab from top to bottom presses number of plies sequence, circulating outlet and circulation in column-shaped barrel
Water inlet setting is between the 4th layer of extraction annular slab and layer 5 extraction annular slab.
Still more preferably, the column-shaped barrel side wall on the top of the four, the seven, ten layers of extraction annular slab opens up manhole.
Preferably, column-shaped barrel installs heating coil.
Preferably, inner cone is cased in lower cone, the necking down direction of inner cone and the necking down direction of lower cone are identical, inner cone
The top of body is connect with lower cone, and junction is located at the top of lower water inlet, and the other parts of inner cone are hanging, make inner cone
Annular space is formed between body sidewall and lower cone side wall.The purpose is to avoid water from directly entering from the inlet in column-shaped barrel
Stable extraction water water inlet water flow is played the role of in portion, guarantees that extraction water inlet is uniform.
Preferably, the upper portion side wall of column-shaped barrel opens up top water inlet, and top water outlet connects top water inlet.
The another embodiment of the application provides a kind of above-mentioned extraction tower and is preparing the application in polyamide fibre PA6 technique.
In order to enable those skilled in the art can clearly understand the technical solution of the application, below with reference to tool
The technical solution of the application is described in detail in the embodiment of body.
Traditional extraction annular slab, as shown in Figure 1, the taper ring flat-plate and two ring flat-plates that are 40 ° by three cone angles form.
The present embodiment improves the extraction annular slab, as shown in figure 3, extraction annular slab includes large and small taper ring flat-plate,
Fine taper ring flat-plate covers in big taper ring flat-plate, and the inner circle edge of big taper ring flat-plate and the outer circular edge of fine taper ring flat-plate pass through gusset
Connection, and the inner circle edge of big taper ring flat-plate is not contacted with the outer circular edge of fine taper ring flat-plate, big taper ring flat-plate outer diameter and cylindricality
Cylinder internal diameter is equal, and the outer diameter of fine taper ring flat-plate is equal with big taper ring flat-plate internal diameter, and the cone angle of large and small taper ring flat-plate is 90 °,
It is W-shaped for extracting the axial cross section of annular slab.
A kind of extraction tower for polyamide fibre PA6, as shown in Fig. 2, by upper cone 1, the cylindrical tube 2 of DN=2600, extraction
Annular slab, heating coil, condensation water coil, inner cone 8, lower cone 3 is taken to form.Wherein, upper cone 1, cylindrical tube 2, cone
Shape extraction ring flat-plate, inner cone 8, lower cone 3 combines as a whole from top to bottom and inside communicates, and extraction tower uses low-pressure steam heat tracing,
Heating coil material is No. 20 steel, is welded on 2 outer wall of cylindrical tube.Steam lime set after heat exchange condenses passes through hydrophobic
Valve enters condensation water coil, and coil pipe material is that No. 20 steel are looped around on 2 outer wall of cylindrical tube by being welded.Extraction tower passes through
The steam pipe coil of 2 outer wall of cylindrical tube is heated, and wherein steam enters heating coil by N6 steam inlet 9, to cylinder
2 heat tracing condensed water of shape cylinder enters condensation water coil by drain valve, and is discharged by N7 condensation-water drain 11.
It is respectively open in extraction tower, mainly includes top N1 feed inlet 4, the top N2 water inlet 10, N3 lower water inlet 6, N4
Lower water inlet, N5 manhole 14, lower part N8 discharge port 7, N6 steam inlet 9, N7 condensation-water drain, N8 discharge port, the top N9 go out
The mouth of a river 5, wherein middle part is equipped with the support for support;Several thermocouple temperature sensor thermometrics are distributed in 2 top of cylindrical tube
Hole.Extraction tower respectively sets the manhole of a DN500 at the four, the seven, ten taper ring flat-plate top cylinders.Totally 10 layers from bottom to top of extraction tower
Extract annular slab.
Cylindrical tube, top are discharged using two-way, and lower part is intake using two-way, contraposition Inlet and outlet water are respectively adopted, effectively
The uniformity coefficient of extraction water is controlled, to reach the uniform effect of effect of extracting.4th layer is set up separately extraction between layer 5 annular slab
The circulation water inlet 13 and circulating outlet 12 of water intaking, add forced circulation.
Chinlon 6 section enters in tower from N1 feed inlet at the top of extraction tower, makes slice can be uniform by being sliced distributor
It is assigned on extraction tower section.Slice relies on gravity Uniform Flow from top to bottom, forms accumulation on extraction annular slab, cuts
Piece is slowly flowed downward by extracting annular slab lower part discharge port.Water temperature is increased to suitable by desalted water under outer heating device effect
Suitable temperature enters extraction tower from tower bottom N3 extraction water lower water inlet, forms counter-current flow with slice from bottom to top.
The present embodiment use 10 layers of extraction annular slab, this guarantee be sliced can between tower ring with the state of approximate laminar flow to
Lower flowing, and there is no dead angle, the slice for being introduced into extraction tower first flows out, and guarantees the stability of chipping qualities.It extracts in annular slab
Axis guarantees higher concentricity, can be effectively reduced extraction water resistance, extracts at annular slab feed opening, and flow area narrows,
Slice and the relative flow speed of extraction water are accelerated, and form high speed convection, the oligomer for partially depending on slice surface is set in time
It swaps out, substantially increases extraction efficiency.Into after next layer of extraction annular slab, slice flow velocity is slack-off, stays for some time, low
Polymers is gradually precipitated, and stablizes extraction, so passes through the extraction of several same units, slice oligomer is effectively reduced.
The present embodiment extraction tower top extraction water contains the caprolactam monomer and oligomer of higher concentration, extracts by N9
Portion's water outlet waterborne overflows extraction tower, is recycled.The extraction water water of spilling is supplemented by adding desalted water, guarantees extraction
The continuous-stable taken carries out.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of extraction tower for polyamide fibre PA6, characterized in that including upper cone, column-shaped barrel, extraction annular slab component, under
Cone, upper cone, column-shaped barrel, lower cone combine as a whole from top to bottom and inside communicates, and extraction annular slab component is several extractions
It takes annular slab, several extraction annular slabs and is distributed in the intracorporal different layers of pillar buoy, extraction annular slab includes large and small conical ring
Plate, fine taper ring flat-plate cover in big taper ring flat-plate, and the inner circle edge and the outer circular edge of fine taper ring flat-plate of big taper ring flat-plate pass through
Link of boards, and the inner circle edge of big taper ring flat-plate is not contacted with the outer circular edge of fine taper ring flat-plate, big taper ring flat-plate outer diameter and
Column-shaped barrel internal diameter is equal, and the outer diameter of fine taper ring flat-plate is equal with big taper ring flat-plate internal diameter, and the cone angle of large and small taper ring flat-plate is
90 °, it is W-shaped for extracting the axial cross section of annular slab.
2. extraction tower as described in claim 1, characterized in that extraction annular slab is connect by gusset with column-shaped barrel.
3. extraction tower as described in claim 1, characterized in that be equipped with 10 layers of extraction annular slab in column-shaped barrel.
4. extraction tower as described in claim 1, characterized in that the upper portion side wall of column-shaped barrel opens up circulating outlet, cylindricality
The lower sides of cylinder open up circulation water inlet, and circulating outlet connects circulation water inlet by pipeloop.
5. extraction tower as claimed in claim 4, characterized in that the pipeloop is equipped with water pump.
6. extraction tower as claimed in claim 4, characterized in that the upper portion side wall of column-shaped barrel opens up two and opposite recycles
The mouth of a river, the lower sides of column-shaped barrel open up two opposite circulation water inlets, ipsilateral circulating outlet and circulation water inlet
It is connected by pipeloop.
7. extraction tower as claimed in claim 6, characterized in that extraction annular slab from top to bottom presses number of plies row in column-shaped barrel
Sequence, circulating outlet and circulation water inlet setting are between the 4th layer of extraction annular slab and layer 5 extraction annular slab.
8. extraction tower as claimed in claim 7, characterized in that be cased with inner cone in lower cone, the necking down direction of inner cone with
The necking down direction of lower cone is identical, and the top of inner cone is connect with lower cone, and junction is located at the top of lower water inlet, interior
The other parts of cone are hanging, make to form annular space between inner cone body sidewall and lower cone side wall.
9. extraction tower as described in claim 1, characterized in that the upper portion side wall of column-shaped barrel opens up top water inlet, top
Water outlet connects top water inlet.
10. a kind of any extraction tower of claim 1~9 is preparing the application in polyamide fibre PA6 technique.
Priority Applications (1)
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CN201811339630.6A CN109304046A (en) | 2018-11-12 | 2018-11-12 | A kind of extraction tower for cotton synthetic fibre PA6 |
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CN201811339630.6A CN109304046A (en) | 2018-11-12 | 2018-11-12 | A kind of extraction tower for cotton synthetic fibre PA6 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3615243A (en) * | 1969-05-22 | 1971-10-26 | Clarence W Scott | Apparatus for extracting liquid from a mobile semisolid cellular system |
CN201760123U (en) * | 2010-06-01 | 2011-03-16 | 北京三联虹普新合纤技术服务股份有限公司 | Nylon PA6 polymerization novel extraction tower |
CN204134253U (en) * | 2014-08-27 | 2015-02-04 | 江苏弘盛新材料股份有限公司 | A kind of extraction tower |
CN105233525A (en) * | 2015-10-20 | 2016-01-13 | 北京三联虹普新合纤技术服务股份有限公司 | Umbrella-shaped distribution component favorable for flowing of particles in extraction tower of nylon 6 |
CN107961558A (en) * | 2016-10-18 | 2018-04-27 | 新昌县和邦机械科技有限公司 | A kind of function that the distance between positive vertebra tower tray and back taper tower tray can be conveniently adjusted without provision for disengagement |
CN108245926A (en) * | 2018-02-23 | 2018-07-06 | 丹阳同泰化工机械有限公司 | A kind of extraction tower of resinae slice |
-
2018
- 2018-11-12 CN CN201811339630.6A patent/CN109304046A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3615243A (en) * | 1969-05-22 | 1971-10-26 | Clarence W Scott | Apparatus for extracting liquid from a mobile semisolid cellular system |
CN201760123U (en) * | 2010-06-01 | 2011-03-16 | 北京三联虹普新合纤技术服务股份有限公司 | Nylon PA6 polymerization novel extraction tower |
CN204134253U (en) * | 2014-08-27 | 2015-02-04 | 江苏弘盛新材料股份有限公司 | A kind of extraction tower |
CN105233525A (en) * | 2015-10-20 | 2016-01-13 | 北京三联虹普新合纤技术服务股份有限公司 | Umbrella-shaped distribution component favorable for flowing of particles in extraction tower of nylon 6 |
CN107961558A (en) * | 2016-10-18 | 2018-04-27 | 新昌县和邦机械科技有限公司 | A kind of function that the distance between positive vertebra tower tray and back taper tower tray can be conveniently adjusted without provision for disengagement |
CN108245926A (en) * | 2018-02-23 | 2018-07-06 | 丹阳同泰化工机械有限公司 | A kind of extraction tower of resinae slice |
Non-Patent Citations (2)
Title |
---|
北京合成纤维实验厂: "《锦纶生产》", 30 April 1976, 石油化学工业出版社 * |
康彦芳: "《化工分离技术》", 31 January 2014, 中央广播电视大学出版社•北京 * |
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