CN110171120A - Based on supercritical CO2Integrated single screw rod continuously squeeze out desulphurization plant - Google Patents
Based on supercritical CO2Integrated single screw rod continuously squeeze out desulphurization plant Download PDFInfo
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- CN110171120A CN110171120A CN201910559223.4A CN201910559223A CN110171120A CN 110171120 A CN110171120 A CN 110171120A CN 201910559223 A CN201910559223 A CN 201910559223A CN 110171120 A CN110171120 A CN 110171120A
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- machine barrel
- order
- screw rod
- connector sleeve
- supercritical
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- 238000007789 sealing Methods 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 24
- 230000023556 desulfurization Effects 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000001125 extrusion Methods 0.000 claims abstract description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims abstract description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 52
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 34
- 239000001569 carbon dioxide Substances 0.000 claims description 26
- 239000000843 powder Substances 0.000 claims description 13
- 239000002826 coolant Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 7
- 230000009467 reduction Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003204 osmotic effect Effects 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000010920 waste tyre Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
- B29C48/144—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration at the plasticising zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/58—Screws provided with seal ring elements, i.e. elements of generally circular and tapered shape for preventing the back flow of the melt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/681—Barrels or cylinders for single screws
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
It the present invention relates to the use of supercritical CO2Reclaimed rubber is prepared, it is especially a kind of to be based on supercritical CO2Integrated single screw rod continuously squeeze out desulphurization plant.Including pedestal, transmission device, drawing-in device, feeding section machine barrel and squeeze out head, transmission device, drawing-in device, feeding section machine barrel and extrusion head are successively set on pedestal, wherein, the driving screw passes through feeding section machine barrel and desulfurization section machine barrel is connect with transmission device；The feeding section machine barrel includes machine barrel stack shell and bushing, the inner surface of machine barrel stack shell is fixed with bushing, driving screw is arranged in bushing, sealing shroud is fixed between the shaft end and gear mechanism housing of the driving screw connecting with transmission device, the end of sealing shroud is contacted with the end face of the end face of machine barrel stack shell and bushing respectively, the inside of sealing shroud and it is equipped with groove with the shaft shoulder corresponding position of driving screw end, extrusion pressing type sealing ring is equipped in groove.It prevents high pressure gas in equipment from leaking outside, it is ensured that pressure is constant in equipment, ensure that the stability of entire technical process.
Description
Technical field
It the present invention relates to the use of supercritical CO2Reclaimed rubber is prepared, it is especially a kind of to be based on supercritical CO2The single spiral shell of integration
Bar continuously squeezes out desulphurization plant.
Background technique
Currently, the technique about reclaimed rubber comparision of production maturation is " high temperature and pressure dynamic desulfurization ", followed by screw rod
Extruder continuous desulfurization equipment prepares reclaimed rubber, spiral equipment prepares the processes such as reclaimed rubber and also occurs like the mushrooms after rain,
But it is all based on traditional handicraft formula.With continuing to increase for Environmental protection, the disposal of three wastes of rubber industry at
The problem of assaulting fortified position rectified for environmental protection.The method and technique for changing processing regenerated glue production could thoroughly solve environmental issue.At present
Have a kind of related patents of supercritical carbon dioxide assisting waste rubber regeneration technique, patent CN105085977A proposes one kind
Supercritical fluid assists the disconnected sulfur regeneration method of single screw rod rubber regeneration, and using single screw rod shear action as core, electromagnetic heating is heat
Source, using the swelling and penetrating power of supercritical carbon dioxide, the method for obtaining reclaimed rubber, but actual operation is not strong.
When the temperature of carbon dioxide is more than 31 DEG C, pressure is more than 7.38MPa, into supercriticality.General sealing element
Pressure 0.4MPa is born, therefore high to the sealing requirements of complete equipment.
Summary of the invention
It is an object of the invention to solve the above-mentioned problems in the prior art, propose a kind of based on supercritical CO 2
Integrated single screw rod continuously squeeze out desulphurization plant, prevent in equipment high pressure gas to leak outside, it is ensured that pressure is constant in equipment, protects
The stability of entire technical process is demonstrate,proved.
The technical scheme is that a kind of be based on supercritical CO2Integrated single screw rod continuously squeeze out desulphurization plant, wrap
Include pedestal, transmission device, drawing-in device, feeding section machine barrel and squeeze out head, transmission device, drawing-in device, feeding section machine barrel and
It squeezes out head to be successively set on pedestal, wherein the driving screw passes through feeding section machine barrel and desulfurization section machine barrel and transmission device
Connection；
The feeding section machine barrel includes machine barrel stack shell and bushing, and the inner surface of machine barrel stack shell is fixed with bushing, and driving screw is set
It sets in bushing, is fixed with sealing shroud, sealing shroud between the shaft end and gear mechanism housing of the driving screw connecting with transmission device
End contacted respectively with the end face of the end face of machine barrel stack shell and bushing, the inside of sealing shroud and the shaft shoulder pair with driving screw end
It should locate to be equipped with groove, be equipped with extrusion pressing type sealing ring in groove；
The drawing-in device is second order drawing-in device, and the second order drawing-in device includes single order feeding structure and second order feeding
Structure passes through flanged joint between single order feeding mechanism and second order feeding mechanism；
The single order feeding mechanism includes connector sleeve I, single order machine barrel, single order screw rod and connector sleeve II, connector sleeve I, single order
Machine barrel and connector sleeve II are fixedly connected sequentially, and connector sleeve II is fixedly connected with machine barrel stack shell, and single order screw rod passes through connector sleeve I and one
Rank machine barrel, the head annular outboard of the single order screw rod are equipped with anti-returning charge ring, and the inner surface of connector sleeve II is set there are two stop collar,
Anti- returning charge ring is arranged between two stop collars, and spring, connector sleeve I and single order machine barrel are equipped between anti-returning charge ring and a stop collar
The inner wall of junction is equipped with groove, is equipped with sealing ring I in groove；
The second order feeding structure includes second order screw rod, connector sleeve III and second order machine barrel, one end of second order machine barrel and connection
Set III is fixedly connected, and the other end is fixedly connected with single order machine barrel, and second order screw rod passes through connector sleeve III and second order machine barrel, connector sleeve III
With the junction of second order machine barrel and the inner surface that is located at connector sleeve III is equipped with groove, is equipped with sealing ring II in groove.
The desulfurization section machine barrel is equipped with air inlet and heat medium is imported and exported, the CO in air accumulator2Pressurized device increases
It is depressed into demand pressure, the feeding section machine barrel is imported and exported equipped with cooling medium.
The driving screw uses barrel pins screw rod, and several row's pin holes on desulfurization section machine barrel are corresponding on driving screw
Equipped with the groove tangent with screw rod bottom diameter, pin is passed through in the groove of pin hole insertion driving screw, and air inlet is arranged at pin,
Equipped with through-hole built in the pin of air inlet, through-hole is connect with supercritical carbon dioxide admission line, supercritical carbon dioxide along
Channel in pin enters in the extrusion equipment, and in rapid osmotic to rubber powder.
The single order feeding mechanism further includes decelerating motor I, and decelerating motor I drives single order screw rod in single order machine by key I
Rotation in cylinder is equipped with axle sleeve I and bearing I between single order screw rod and the shaft end connected of decelerating motor I and connector sleeve I.
The second order feeding structure further includes decelerating motor II, and decelerating motor drives second order screw rod in second order machine by key II
Cylinder in rotation, second order screw rod towards between the shaft end and connector sleeve III of decelerating motor be equipped with shaft sleeve II and bearing II, second order machine barrel
It is connect with rubber powder spout.
The beneficial effects of the present invention are:
(1) supercritical CO 2 is applied to waste-tyre rubber-powder desulfurization regeneration, the chemical tendering used instead of sweetening process
Agent reduces the content of the poisonous and harmful substances such as polycyclic aromatic hydrocarbon in reclaimed rubber；
(2) by setting single order screw mechanism and second order screw rod mechanism, in the rotary action of single order screw rod and second order screw rod
Under to material realize continually and steadily to front transfer, to ensure that continual and steady feeding；
(3) by the way that anti-returning charge ring is arranged in single order screw mechanism, effectively sizing material can be prevented to return with high pressure gas
To second order drawing-in device；
It (4), can be effective by the way that sealing device is arranged in feeding section machine barrel, single order screw mechanism, second order screw rod mechanism
Ground prevents a small amount of high pressure gas from scurrying into reduction gearbox and feed inlet, is effectively prevented the reduction of pressure in equipment, ensure that this sets
Standby interior constant pressure；
(5) supercritical carbon dioxide is entered in the extrusion equipment by the central through hole of pin, can be according to process requirements
Change air inlet position, while can make in supercritical carbon dioxide rapid osmotic to rubber powder.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of second order drawing-in device；
Fig. 3 is the cross-sectional view of feeding section machine barrel；
Fig. 4 is the cross-sectional view of single order feeding mechanism；
Fig. 5 (a) is the structural schematic diagram of the anti-normal feed station of returning charge ring；
Fig. 5 (b) is the structural schematic diagram of anti-returning charge ring air-flow anti-channeling station；
Fig. 6 is the cross-sectional view of second order feeding mechanism.
In figure: 1 pedestal；2 transmission devices；3 feeding section machine barrels；31 machine barrel stack shells；32 bushings；33 sealing shrouds；34 extrusion pressing types
Sealing ring；4 second order drawing-in devices；41 single order feeding mechanisms；411 decelerating motors I；412 connector sleeves I；413 single order machine barrels；414 1
Rank screw rod；415 anti-returning charge rings；416 connector sleeves II；417 sealing rings I；418 axle sleeves I；419 bearings I；4110 keys I；42 second orders are fed
Expect mechanism；421 decelerating motors II；422 connector sleeves III；423 second order machine barrels；424 second order screw rods；425 sealing rings II；426 axle sleeves
Ⅱ；427 bearings II；428 keys II；5 desulfurization section machine barrels；6 driving screws；7 squeeze out head；101 air inlets；The disengaging of 102 cooling mediums
Mouthful；103 heat mediums inlet and outlet；104 pin holes；110 carbon dioxide air accumulators；111 pressurizing devices.
Specific embodiment
In order to which the above objects, features and advantages of the present invention can be more obvious and easy to understand, with reference to the accompanying drawing to this hair
Bright specific embodiment is described in detail.
Detail is elaborated in the following description to fully understand the present invention.But the present invention can with it is a variety of not
Other way described herein is same as to implement, those skilled in the art can do class without violating the connotation of the present invention
Like popularization.Therefore the present invention is not limited by following public specific embodiment.
The present invention is a kind of based on supercritical CO2Integrated single screw rod continuously squeeze out desulphurization plant, should as shown in Figure 1,
The equipment includes pedestal 1, transmission device 2, second order drawing-in device 4, feeding section machine barrel 3, desulfurization section machine barrel 5 and squeezes out head 7, is passed
Dynamic device 2 includes motor, shaft coupling and reduction gearbox.Transmission device 2, second order drawing-in device 4, feeding section machine barrel 3, desulfurization section machine barrel
5 are successively set on pedestal 1 with head 7 is squeezed out, and are equipped with driving screw 6 in desulfurization section machine barrel 5 and feeding section machine barrel 3, driving screw 6 is worn
It crosses feeding section machine barrel 3 and desulfurization section machine barrel 5 and reduction gearbox hollow shaft cooperates, motor drives driving screw 6 by shaft coupling, reduction gearbox
The rotary motion in feeding section machine barrel 3 and desulfurization section machine barrel 5.One end of desulfurization section machine barrel 5 and head 7 connect by the way that flange is fixed
It connects, the other end and the feeding section machine barrel 3 of desulfurization section machine barrel 5 are fixed by flange.
Driving screw 6 uses barrel pins screw rod, and several row's pin holes 104 on desulfurization section machine barrel 5 are corresponding on driving screw
Equipped with the groove tangent with screw rod bottom diameter, pin passes through pin hole 104 and is inserted into the groove of driving screw.It is set on desulfurization section machine barrel 5
There are air inlet 101 and heat medium inlet and outlet 103, the CO in air accumulator 1102Pressurized device 111 is pressurized to demand pressure, leads to
It crosses air inlet 101 to enter in desulfurization section machine barrel 5, desulfurization section machine barrel 5 guarantees rubber powder sweetening process by heat medium inlet and outlet 103
Temperature stablize.Feeding section machine barrel 3 is equipped with cooling medium inlet and outlet 102, guarantees charging glue by cooling medium inlet and outlet 102
The temperature of powder is stablized, and completes heat exchange by the circulation of medium to ensure that the temperature stability of entire technical process.Air inlet
Mouth 101 is located at pin, through-hole built in inside the pin, and the air inlet pipe of the channel and supercritical carbon dioxide connects, overcritical
Carbon dioxide enters in the equipment along the through-hole inside pin, makes in supercritical carbon dioxide rapid osmotic to rubber powder.
When supercritical carbon dioxide admission pressure is greater than certain value, the pressure holding effect of the equipment is poor.Its reason is:
First, supercritical carbon dioxide can be to reduction gearbox gas blowby；Second, supercritical carbon dioxide can cause to be depressured to spout gas blowby
While also create material feeding difficulty.
In order to prevent supercritical carbon dioxide gas blowby be arranged to reduction gearbox, between driving screw 6 and machine barrel stack shell sealing shroud with
Sealing ring.As shown in figure 3, feeding section machine barrel 3 includes machine barrel stack shell 31 and bushing 32, the inner surface of machine barrel stack shell 31 is fixed with lining
Set 32, driving screw 6 are arranged in bushing 32, fixed between 6 one end of driving screw connecting with transmission device 2 and gear mechanism housing
Have sealing shroud 33,33 one end of sealing shroud is contacted with 31 end face of machine barrel stack shell and 32 end face of bushing respectively, the inside of sealing shroud 33 and
It is equipped with groove with the shaft shoulder corresponding position of driving screw end, is equipped with extrusion pressing type sealing ring 34 in groove.Sealing shroud 33 can prevent greatly
Partial supercritical carbon dioxide is scurried out, but due to relative rotation between sealing shroud 33 and driving screw 6, so still suffering from few
Amount supercritical carbon dioxide is scurried out, and is carried out second by extrusion pressing type sealing ring 34 at this time and is stopped.Sealing ring 34 is mounted on sealing
Groove in set be it is previously extruded, when supercritical carbon dioxide is to reduction gearbox gas blowby, 34 couples of masters of extrusion pressing type sealing ring
It is sealed at the shaft shoulder of screw rod 6, the pressure generated squeezes sealing ring 34 again, to reach 34 seal clearance of sealing ring
Purpose.
For supercritical carbon dioxide to spout gas blowby, the drawing-in device in the present invention is second order drawing-in device in order to prevent.
As shown in Fig. 2, the second order drawing-in device 4 in the present invention includes single order feeding structure 41 and second order feeding structure 42, single order feeding
Pass through flanged joint between mechanism 41 and second order feeding mechanism 42.Rubber powder is by feeding helical feed to spout, the rubber powder of entrance
Feeding section machine barrel 3 is transmitted to by second order feeding structure 42 and single order feeding structure 41 respectively, then through driving screw 6 by extrusion head
7 squeeze out.
As shown in figure 4, single order feeding mechanism 41 includes decelerating motor I 411, connector sleeve I 412, single order machine barrel 413, single order
Screw rod 414 and connector sleeve II 416, connector sleeve I 412, single order machine barrel 413 and connector sleeve II 416 are fixedly connected sequentially, connector sleeve II
416 are fixedly connected by connector sleeve IV with the machine barrel stack shell 31 of feeding section machine barrel 3, and single order screw rod 414 passes through I 412 He of connector sleeve
In single order machine barrel 413.Decelerating motor I 411 drives single order screw rod 414 to rotate in single order machine barrel 413 by key I 4110, single order
Axle sleeve I 418 and bearing I 419 are equipped between screw rod 414 and the shaft end connected of decelerating motor I 411 and connector sleeve I 412.Single order spiral shell
414 head side of bar is equipped with anti-returning charge ring 415, and the inner surface of connector sleeve II 416 is set there are two stop collar, and anti-returning charge ring 415 is set
Set between two stop collars, and anti-returning charge ring 415 and wherein between a stop collar be equipped with spring.Single order screw rod 414 has certain
Compression ratio easily sets up higher extrusion pressure in head after rubber powder feeding, anti-returning charge ring 415 is pushed to be displaced downwardly to Fig. 5 (a) work
Position, may be implemented continual and steady feeding at this time.When supercritical carbon dioxide pressure too it is high cause air-flow to return to alter when, anti-returning charge ring
It is pushed into the position Fig. 5 (b) on 415, may be implemented to prevent rubber powder from flowing backwards at this time.After gas pressure reduces, anti-returning charge ring 415 is in bullet
It automatically resets under the elastic force effect of spring.
Connector sleeve I 412 and the inner wall of 413 junction of single order machine barrel are equipped with groove, and sealing ring I 417, sealing are equipped in groove
I 417 are enclosed as extrusion pressing type sealing ring.When a small amount of high pressure gas, which returns, alters to single order screw rod, high pressure gas produces sealing ring I 417
Raw extruding force, extrusion pressing type sealing ring 424 is firmly extruded in connector sleeve I 412 and 413 junction of single order machine barrel, to junction
Sealing function is played, realizes the effect of air seal.
Second order feeding structure 42 is as shown in fig. 6, include decelerating motor II 421, second order screw rod 424, connector sleeve III 422 and two
One end of rank machine barrel 423, second order machine barrel 423 is fixedly connected with connector sleeve III 422, and the other end is fixedly connected with single order machine barrel.Two
Rank screw rod 424 passes through connector sleeve III 422 and second order machine barrel 423, and decelerating motor 421 drives second order screw rod 424 to exist by key II 428
Rotation in second order machine barrel 423, second order screw rod 424 is towards being equipped with shaft sleeve II between the shaft end and connector sleeve III 422 of decelerating motor 421
426 and bearing II 427, the junction of the connector sleeve III 422 and second order machine barrel 423 and inner surface for being located at connector sleeve III 422 is equipped with
Groove, groove is interior to be equipped with sealing ring II 425, and sealing ring II 425 is extrusion pressing type sealing ring, is at when being placed in groove crowded
Pressure condition.The anti-returning charge ring 415 and under the action of sealing ring I 417 in single order feeding mechanism, most supercritical carbon dioxide
Gas is blocked, if still have a small amount of high pressure gas anti-channeling to second order feeding mechanism, the pressure of high pressure gas is to sealing ring
II 425 generate extruding force, and sealing ring II 425 is firmly extruded in the groove of connector sleeve III 422 at this time, to connector sleeve III
422 and the junction of second order machine barrel 423 play sealing function, realize the effect of air seal.Second order machine barrel 423 and rubber powder
Spout connection.
The course of work of the invention is as described below: the carbon dioxide gas when device action, in carbon dioxide air accumulator
It is pressurized to required pressure value by pressurizing device, is entered in desulfurization section machine barrel 5 by air inlet 101, material passes through spout, according to
Secondary to be entered in desulfurization section machine barrel 5 by second order feeding mechanism 42, single order feeding mechanism 41, feeding section machine barrel 3, heat medium passes through
Heat medium inlet and outlet recycle in equipment, heat to the equipment, and cooling medium is imported and exported by cooling medium in equipment
Interior circulation cools down the equipment, to guarantee that the temperature of the equipment is kept constant, to guarantee that the temperature of material is constant.Separately
Outside, it by the way that sealing device is arranged in feeding section machine barrel, single order feeding mechanism, second order feeding mechanism, prevents in desulfurization section machine barrel
High pressure gas scurry into reduction gearbox and feed inlet, guarantee that the pressure in whole equipment is constant, it is ensured that the temperature of whole equipment and
Invariablenes pressure of liquid keeps carbon dioxide fully penetrated, is swollen to material, and material is sheared and pushed by driving screw 6, directly
It is delivered to squeeze out by driving screw 6 to material and be squeezed out at head 7.
Supercritical CO is based on to provided by the present invention above2Integrated single screw rod continuously squeeze out desulphurization plant and carry out
It is discussed in detail.Used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention.It should be pointed out that for the common skill of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for art personnel, these change
It is also fallen within the protection scope of the claims of the present invention into modification.The foregoing description of the disclosed embodiments makes this field
Professional technician can be realized or using the present invention.Various modifications to these embodiments are to those skilled in the art
For will be apparent, the general principles defined herein can be the case where not departing from the spirit or scope of the present invention
Under, it realizes in other embodiments.Therefore, the present invention will not be limited to the embodiments shown herein, but to accord with
Close the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. one kind is based on supercritical CO2Integrated single screw rod continuously squeeze out desulphurization plant, including pedestal (1), transmission device (2),
Drawing-in device and feeding section machine barrel (3), transmission device (2), drawing-in device and feeding section machine barrel (3) are successively set on pedestal (1)
On, it is characterised in that: the driving screw (6) passes through feeding section machine barrel (3) and connect with transmission device (2)；
The feeding section machine barrel (3) includes machine barrel stack shell (31) and bushing (32), and the inner surface of machine barrel stack shell (31) is fixed with lining
It covers (32), driving screw (6) setting is in bushing (32), the shaft end for the driving screw (6) connecting with transmission device (2) and transmission device
Be fixed between shell sealing shroud (33), the end of sealing shroud (33) respectively with the end face of machine barrel stack shell (31) and bushing (32)
End face contact, the inside of sealing shroud (33) and is equipped with groove with the shaft shoulder corresponding position of driving screw end, and extrusion pressing type is equipped in groove
Sealing ring (34)；
The drawing-in device is second order drawing-in device, and the second order drawing-in device (4) includes single order feeding structure (41) and second order
Feeding structure (42) passes through flanged joint between single order feeding mechanism (41) and second order feeding mechanism (42)；
The single order feeding mechanism (41) includes connector sleeve I (412), single order machine barrel (413), single order screw rod (414) and connector sleeve
II (416), connector sleeve I (412), single order machine barrel (413) and connector sleeve II (416) are fixedly connected sequentially, connector sleeve II (416) with
Machine barrel stack shell (31) is fixedly connected, and single order screw rod (414) passes through connector sleeve I (412) and single order machine barrel (413), the single order spiral shell
The head annular outboard of bar (414) is equipped with anti-returning charge ring (415), and the inner surface of connector sleeve II (416) sets there are two stop collar, prevents
Returning charge ring (415) is arranged between two stop collars, and spring, connector sleeve I are equipped between anti-returning charge ring (415) and a stop collar
(412) it is equipped with groove with the inner wall of single order machine barrel (413) junction, is equipped with sealing ring I (417) in groove；
The second order feeding structure (42) includes second order screw rod (424), connector sleeve III (422) and second order machine barrel (423), second order machine
One end of cylinder (423) is fixedly connected with connector sleeve III (422), and the other end is fixedly connected with single order machine barrel, and second order screw rod (424) is worn
It crosses connector sleeve III (422) and second order machine barrel (423), the junction of connector sleeve III (422) and second order machine barrel (423) and is located at connection
The inner surface for covering III (422) is equipped with groove, is equipped with sealing ring II (425) in groove.
2. according to claim 1 be based on supercritical CO2Integrated single screw rod continuously squeeze out desulphurization plant, feature exists
In: the desulfurization section machine barrel (5) is equipped with air inlet (101) and heat medium inlet and outlet (103), the CO in air accumulator (110)2
Pressurized device (111) is pressurized to demand pressure, and the feeding section machine barrel (3) is equipped with cooling medium inlet and outlet (102).
3. according to claim 2 be based on supercritical CO2Integrated single screw rod continuously squeeze out desulphurization plant, feature exists
In: the driving screw (6) uses barrel pins screw rod, and several row's pin holes (104) on desulfurization section machine barrel (5) are corresponding in master
Screw rod is equipped with the groove tangent with screw rod bottom diameter, and air inlet (101) is arranged at pin, equipped with logical built in the pin of air inlet
Hole, through-hole are connect with supercritical carbon dioxide admission line, and supercritical carbon dioxide enters equipment along the channel in pin.
4. the integrated single screw rod according to claim 1 based on supercritical CO 2 continuously squeezes out desulphurization plant, feature exists
In: the single order feeding mechanism (41) further includes decelerating motor I (411), and decelerating motor I (411) drives one by key I (4110)
Rank screw rod (414) rotation, shaft end and company that single order screw rod (414) is connect with decelerating motor I (411) in single order machine barrel (413)
Axle sleeve I (418) and bearing I (419) are equipped between female connector I (412).
5. according to claim 1 be based on supercritical CO2Integrated single screw rod continuously squeeze out desulphurization plant, feature exists
In: the second order feeding structure (42) further includes decelerating motor II (421), and decelerating motor (421) drives two by key II (428)
Rank screw rod (424) rotation, the shaft end and connector sleeve of second order screw rod (424) towards decelerating motor (421) in second order machine barrel (423)
Shaft sleeve II (426) and bearing II (427) are equipped between III (422), second order machine barrel (423) is connect with rubber powder spout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559223.4A CN110171120B (en) | 2019-06-26 | 2019-06-26 | Based on supercritical CO 2 Is characterized in that the desulfurization equipment is extruded in succession to integrated single screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559223.4A CN110171120B (en) | 2019-06-26 | 2019-06-26 | Based on supercritical CO 2 Is characterized in that the desulfurization equipment is extruded in succession to integrated single screw rod |
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| CN110171120A true CN110171120A (en) | 2019-08-27 |
| CN110171120B CN110171120B (en) | 2024-04-12 |
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| US3355766A (en) * | 1964-11-12 | 1967-12-05 | Barmag Barmer Maschf | Hot melt screw extruder |
| CN101811360A (en) * | 2010-04-26 | 2010-08-25 | 青岛科技大学 | Rubber helical gearing cold feed extruder |
| CN203794822U (en) * | 2014-03-06 | 2014-08-27 | 青岛科技大学 | Single-screw extruding desulfurization and after-treatment system |
| CN104892972A (en) * | 2014-03-06 | 2015-09-09 | 青岛科技大学 | Single screw extrusion desulphurization and post-treatment system, and reclaimed rubber preparation method |
| CN106142382A (en) * | 2016-01-27 | 2016-11-23 | 舟山富德斯机械有限公司 | Environment-friendly type regenerated rubber reclaimator |
| CN210880778U (en) * | 2019-06-26 | 2020-06-30 | 青岛高机科技有限公司 | Based on supercritical CO2Integrated single-screw continuous extrusion desulfurization equipment |
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2019
- 2019-06-26 CN CN201910559223.4A patent/CN110171120B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3355766A (en) * | 1964-11-12 | 1967-12-05 | Barmag Barmer Maschf | Hot melt screw extruder |
| CN101811360A (en) * | 2010-04-26 | 2010-08-25 | 青岛科技大学 | Rubber helical gearing cold feed extruder |
| CN203794822U (en) * | 2014-03-06 | 2014-08-27 | 青岛科技大学 | Single-screw extruding desulfurization and after-treatment system |
| CN104892972A (en) * | 2014-03-06 | 2015-09-09 | 青岛科技大学 | Single screw extrusion desulphurization and post-treatment system, and reclaimed rubber preparation method |
| CN106142382A (en) * | 2016-01-27 | 2016-11-23 | 舟山富德斯机械有限公司 | Environment-friendly type regenerated rubber reclaimator |
| CN210880778U (en) * | 2019-06-26 | 2020-06-30 | 青岛高机科技有限公司 | Based on supercritical CO2Integrated single-screw continuous extrusion desulfurization equipment |
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