CN111763348A - Waste rubber desulfurization and plasticization processing device and process - Google Patents
Waste rubber desulfurization and plasticization processing device and process Download PDFInfo
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- CN111763348A CN111763348A CN202010617650.6A CN202010617650A CN111763348A CN 111763348 A CN111763348 A CN 111763348A CN 202010617650 A CN202010617650 A CN 202010617650A CN 111763348 A CN111763348 A CN 111763348A
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 40
- 230000023556 desulfurization Effects 0.000 title claims abstract description 40
- 239000002699 waste material Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 49
- 239000000843 powder Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 239000012492 regenerant Substances 0.000 claims abstract description 7
- 238000005516 engineering process Methods 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 57
- 238000001914 filtration Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 6
- 230000003009 desulfurizing effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002912 waste gas Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 14
- 230000008021 deposition Effects 0.000 abstract description 2
- 238000010057 rubber processing Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- -1 inner tubes Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2319/00—Characterised by the use of rubbers not provided for in groups C08J2307/00 - C08J2317/00
-
- 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
Abstract
The invention discloses a device and a process for desulfurization and plasticization processing of waste rubber, and relates to the technical field of waste rubber processing; in order to improve the desulfurization effect; the processing device specifically comprises an inner cylinder and an outer cylinder, wherein the inner wall of the top of the outer cylinder is welded on the side wall of the top of the inner cylinder, the outer wall of one side of the outer cylinder is connected to a steam system through a steam conveying pipe, and a water body is filled in the inner cylinder; the outer wall of the top of the inner cylinder is fixedly provided with a stirring motor through a screw, and the output end of the stirring motor is rotatably connected with a rotating main shaft through a coupler; the processing technology comprises the following steps: taking the rubber powder with fibers removed, and mixing the rubber powder with a regenerant in proportion; adding water into the inner cylinder, and introducing steam into the outer cylinder. According to the invention, through arranging the inner cylinder, the outer cylinder and other structures, the rubber powder can be subjected to desulfurization treatment by using a water-oil method, and the stirring motor works to drive the impeller to rotate, so that the water body in the inner cylinder is lifted and stirred, and the rubber powder deposition and the bottom of the inner cylinder are effectively avoided.
Description
Technical Field
The invention relates to the technical field of waste rubber processing, in particular to a waste rubber desulfurization and plasticization processing device and process.
Background
The waste rubber is one of solid wastes, the pollution degree of the waste rubber is almost similar to white pollution because the rubber is not easy to decompose, and the main sources of the waste rubber are waste rubber products, such as inner tubes, rubber tubes, adhesive tapes, rubber shoes and the like of various vehicles and leftover materials produced by factories; in order to reduce pollution and improve the utilization rate of resources; recycling waste rubber by part of enterprises; the recovery of the waste rubber can not only bring considerable benefits, but also save resources and reduce waste, so that only the oak is more widely utilized; such techniques may also reduce costs and increase their value of use.
In the general processing of waste rubber, the desulfurization process has a great influence on the final quality, and the general desulfurization device has poor desulfurization effect and influences the quality of the final product.
Through the retrieval, chinese patent application number is CN 201820040924.8's patent, discloses a desulphurization unit of old and useless rubber product schizolysis, and this desulphurization unit of old and useless rubber product schizolysis includes the casing and sprays the piece, and the casing has the cavity and certainly the baffle of the horizontal extension of the inside wall of cavity, the baffle will the cavity falls into epicoele and cavity of resorption, air inlet and gas outlet have on the casing, the air inlet with the cavity of resorption intercommunication, the gas outlet with the epicoele intercommunication, the baffle is equipped with the export that runs through the setting, sprays the piece certainly the lower surface downwardly extending of baffle forms, the lower extreme that sprays the piece with the diapire interval of cavity of resorption and clearance between the two are airflow channel, spray the piece be located the air inlet with just be used for spraying the NaOH solution between the export. The desulfurization apparatus of the above patent has the following disadvantages: although possessing certain desulfurization effect, owing to adopt the mode of spraying the desulfurization, probably cause solution and accumulational rubber powder contact inadequately, influence the desulfurization effect to influence product quality, and equipment is perishable.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a waste rubber desulfurization and plasticization processing device and a waste rubber desulfurization and plasticization processing technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a waste rubber desulfurization and plasticization processing device comprises an inner cylinder and an outer cylinder, wherein the inner wall of the top of the outer cylinder is welded on the side wall of the top of the inner cylinder, the outer wall of one side of the outer cylinder is connected into a steam system through a steam conveying pipe, and a water body is filled in the inner cylinder; the stirring device comprises an inner barrel, a stirring motor, a rotating main shaft, impellers, a bearing seat, a mounting frame, a discharging chamber, a discharging pipe and a sealing seat, wherein the stirring motor is fixed on the outer wall of the top of the inner barrel through screws, the output end of the stirring motor is rotatably connected with the rotating main shaft through the coupling, the impellers which are uniformly distributed are fixed on the outer wall of the circumference of the rotating main shaft through the screws, one end of the rotating main shaft is installed on the inner wall of the bottom of the inner barrel through the bearing seat and; and the bottom end of the discharge pipe is connected with a filtering device through a flange, and the filtering device is connected with a plasticizing machine through a pipeline.
Preferably: the circumference outer wall welding of inner tube has evenly distributed's circulating line, and the circulating line other end welds in the inner tube bottom outer wall under the impeller.
Further: the circulating pipeline is located inner tube lateral wall one end department and all has the filter through the screw fixation, and the filter hole that the array distributes is seted up to the filter surface.
Further preferred is: impeller top outer wall all is fixed with the stirring board through the connecting rod, and evenly distributed's pressure release hole is seted up to stirring board one side outer wall, and the pressure release hole is rectangular form.
As a preferable aspect of the present invention: the conveying chamber and the discharging bin are welded on the outer wall of the top of the inner barrel and are of an integrated structure, a feeding motor is fixed on the outer wall of the top of the conveying chamber through screws, the output end of the feeding motor is rotatably connected with a conveying seat through a coupling, the conveying seat is matched with the inner diameter of the conveying chamber, a conveying groove is formed in the circumferential outer wall of the conveying seat, and the conveying groove corresponds to the horizontal position of the discharging bin; the outer wall of one side of the material conveying chamber is welded with a feed hopper, and one end of the feed hopper corresponds to the horizontal position of the material conveying groove.
Further preferred as the invention: the outer wall of the top of the outer barrel is welded with a pressure relief chamber, the inner wall of the top of the pressure relief chamber is connected with a sliding seat through threads, the outer wall of the circumference of the sliding seat is welded with an installation block, and the outer wall of the top of the sliding seat is fixed with an adjusting knob through screws; slide bottom inner wall sliding connection has the traveller, and the traveller bottom has the cock body through the screw fixation, and cock body top outer wall is provided with same root spring with installation piece bottom outer wall, and pressure release room one side outer wall integral type is provided with the connecting pipe.
As a still further scheme of the invention: the outer wall of one side of the pressure relief chamber is connected with a waste gas processor through a connecting pipe.
A waste rubber desulfurization and plasticization processing technology comprises the following steps:
s1: taking the rubber powder with fibers removed, and mixing the rubber powder with a regenerant in proportion;
s2: adding water into the inner cylinder, and introducing steam into the outer cylinder;
s3: adding the mixed materials into a feed hopper, and controlling a feed motor to work for feeding;
s4: materials are transported into the inner cylinder through the material transporting seat and the material transporting groove, and the stirring motor is controlled to work to drive the impeller and the stirring plate to rotate for stirring; the desulfurization is completed;
s5: after the desulfurization is finished, controlling the electric control valve to work, stopping the stirring motor, and conducting the discharge pipe to enable the desulfurized rubber powder to flow to the filtering device through the discharge pipe to be filtered;
s6: and filtering, and then flowing into a plasticizing machine for plasticizing treatment to finish desulfurization and plasticizing processing.
On the basis of the foregoing scheme, it is preferable that: the mixing ratio of the rubber powder to the regenerant is 90-105: 1; the pressure of the steam introduced into the outer barrel is 0.88-0.99 MPa; the initial temperature of the water body added into the inner barrel is controlled to be 75-85 ℃; in the step S4, the stirring time is 2-3.5 h.
The invention has the beneficial effects that:
1. according to the invention, through arranging the inner cylinder, the outer cylinder and other structures, the rubber powder can be subjected to desulfurization treatment by using a water-oil method, and the stirring motor works to drive the impeller to rotate, so that the water body in the inner cylinder is lifted and stirred, and the rubber powder deposition and the bottom of the inner cylinder are effectively avoided; the processing efficiency and reliability are improved.
2. According to the invention, through the arrangement of the uniformly distributed circulating pipelines, when the impeller lifts the surrounding water body, the water body at the top of the inner cylinder is poured below the impeller through the circulating pipelines for supplement, so that the water body circulation is facilitated, the fluidity is improved, and the stirring effect is improved.
3. According to the invention, by arranging the filter plate and the filter holes, a filtering effect can be achieved, phenomena such as blockage of rubber powder flowing into a circulating pipeline are avoided, and the reliability is improved; through setting up the stirring board, further promoted stirring effect, the pressure release hole does benefit to the pressure release simultaneously, hinders rubber powder simultaneously and passes through, has ensured rubber powder's mobility.
4. According to the invention, by arranging the material conveying seat, the material conveying groove and other structures, the material can be conveyed through the feed hopper, so that the material conveying groove is connected, the material conveying seat is controlled by the feeding motor to rotate, and the material falls into the inner cylinder from the discharging bin after the material conveying groove rotates 180 degrees, so that the material is fed; and the material conveying groove has fixed capacity, so that the function of dosing can be realized.
5. By arranging the plug body, the spring and other structures, the steam pressure in the outer barrel can be conveniently controlled, and meanwhile, the safety is improved; through setting up slide and adjust knob, can adjust the position of installation piece according to the demand to the deformation volume of required spring when having controlled the switch on connecting pipe realizes adjusting the purpose of maximum pressure release pressure.
Drawings
FIG. 1 is a schematic structural diagram of an integral apparatus for desulfurizing and plasticizing waste rubber according to the present invention;
FIG. 2 is a schematic structural diagram of a front cross section of an inner cylinder and an outer cylinder of a waste rubber desulfurization and plasticization processing device provided by the invention;
FIG. 3 is a schematic structural diagram of a further cross section of an inner cylinder and an outer cylinder of a waste rubber desulfurization and plasticization processing device provided by the invention;
FIG. 4 is a schematic sectional view of a material transporting chamber of a device for desulfurizing and plasticizing waste rubber according to the present invention;
fig. 5 is a schematic structural diagram of a cross-sectional view of a pressure relief chamber of a waste rubber desulfurization and plasticization processing device provided by the invention.
In the figure: 1 inner cylinder, 2 outer cylinders, 3 plasticators, 4 exhaust-gas treatment machines, 5 pressure relief chambers, 6 adjusting knobs, 7 stirring motors, 8 feeding motors, 9 feed hoppers, 10 conveying chambers, 11 filter plates, 12 pressure relief holes, 13 circulating pipelines, 14 discharging chambers, 15 discharging pipes, 16 electric control valves, 17 impellers, 18 stirring plates, 19 conveying seats, 20 filter holes, 21 mounting frames, 22 sealing seats, 23 conveying troughs, 24 discharging bins, 25 mounting blocks, 26 springs, 27 plugs, 28 sliding columns, 29 connecting pipes and 30 sliding seats.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
a waste rubber desulfurization and plasticization processing device is shown in figures 1-5 and comprises an inner cylinder 1 and an outer cylinder 2, wherein the inner wall of the top of the outer cylinder 2 is welded on the side wall of the top of the inner cylinder 1, the outer wall of one side of the outer cylinder 2 is connected into a steam system through a steam conveying pipe, and a water body is filled in the inner cylinder 1; the stirring device is characterized in that a stirring motor 7 is fixed on the outer wall of the top of the inner barrel 1 through screws, the output end of the stirring motor 7 is rotatably connected with a rotating main shaft through a coupler, impellers 17 which are uniformly distributed are fixed on the outer wall of the circumference of the rotating main shaft through screws, the impellers 17 generate upward lifting force on surrounding water bodies when rotating, one end of the rotating main shaft is installed on the inner wall of the bottom of the inner barrel 1 through a bearing seat and an installation frame 21, a discharge chamber 14 is integrally and socially formed at the bottom of the inner barrel 1, the outer wall of the bottom end of the discharge chamber 14 is connected with a discharge pipe; the bottom end of the discharge pipe 15 is connected with a filtering device through a flange, and the filtering device is connected with a plasticizing machine 3 through a pipeline; through the arrangement of the structures of the inner cylinder 1, the outer cylinder 2 and the like, the rubber powder can be subjected to desulfurization treatment by using a water-oil method, and the stirring motor 7 works to drive the impeller 17 to rotate, so that the water in the inner cylinder 1 is lifted and stirred, and the rubber powder is effectively prevented from being deposited on the bottom of the inner cylinder 1; the processing efficiency and reliability are improved.
In order to improve the stirring effect; as shown in fig. 2 and 3, the circumferential outer wall of the inner cylinder 1 is welded with evenly distributed circulation pipelines 13, and the other end of each circulation pipeline 13 is welded on the outer wall of the bottom of the inner cylinder 1 right below the impeller 17; through the circulating line 13 that sets up evenly distributed, can pour the inner tube 1 top water into impeller 17 below through circulating line 13 and supply when impeller 17 carries out the lift to water on every side, do benefit to the water circulation, promote mobility to promote stirring effect.
In order to improve reliability; as shown in fig. 2 and 3, the circulation pipeline 13 is fixed with a filter plate 11 at one end of the side wall of the inner cylinder 1 through screws, and filter holes 20 distributed in an array form are formed on the outer surface of the filter plate 11; the size of the filtering holes 20 is smaller than that of the rubber powder; through setting up filter 11 and filtration pore 20, can play the filter effect, avoid rubber powder to flow to take place phenomenons such as jam in the circulating line 13, promoted the reliability.
In order to further improve the stirring effect; as shown in fig. 2 and 3, the outer wall of the top of the impeller 17 is fixed with a stirring plate 18 through a connecting rod, the outer wall of one side of the stirring plate 18 is provided with pressure relief holes 12 which are uniformly distributed, the pressure relief holes 12 are long, and the width of the pressure relief holes 12 is smaller than the size of the rubber powder; through setting up stirring board 18, further promoted stirring effect, pressure release hole 12 does benefit to the pressure release simultaneously, hinders rubber powder simultaneously and passes through, has ensured rubber powder's mobility.
To facilitate feeding; as shown in fig. 1 and 4, a material transporting chamber 10 and a discharging bin 24 are welded on the outer wall of the top of the inner cylinder 1, the material transporting chamber 10 and the discharging bin 24 are of an integrated structure, a feeding motor 8 is fixed on the outer wall of the top of the material transporting chamber 10 through screws, the output end of the feeding motor 8 is rotatably connected with a material transporting seat 19 through a coupling, the material transporting seat 19 is matched with the inner diameter of the material transporting chamber 10, a material transporting groove 23 is formed in the circumferential outer wall of the material transporting seat 19, and the material transporting groove 23 corresponds to the horizontal position of the discharging bin 24; a feed hopper 9 is welded on the outer wall of one side of the conveying chamber 10, and one end of the feed hopper 9 corresponds to the horizontal position of the conveying groove 23; by arranging the structures of the material conveying seat 19, the material conveying groove 23 and the like, the material can be conveyed through the feed hopper 9, so that the material conveying groove 23 is connected, the feed motor 8 controls the material conveying seat 19 to rotate, and the material is enabled to fall into the inner cylinder 1 through the discharge bin 24 after the material conveying groove 23 rotates 180 degrees, so that the material is fed, in addition, the material conveying chamber 10 can be sealed in the whole process, the effects of heat preservation and the like are achieved, and the reliability is improved; and the conveying trough 23 has fixed capacity, so that the function of dosing can be realized.
In order to facilitate pressure relief; as shown in fig. 2 and 5, a pressure relief chamber 5 is welded on the outer wall of the top of the outer cylinder 2, a sliding seat 30 is connected on the inner wall of the top of the pressure relief chamber 5 through threads, an installation block 25 is welded on the outer wall of the circumference of the sliding seat 30, and an adjusting knob 6 is fixed on the outer wall of the top of the sliding seat 30 through screws; a sliding column 28 is connected to the inner wall of the bottom end of the sliding seat 30 in a sliding manner, a plug body 27 is fixed to the bottom end of the sliding column 28 through a screw, the same spring 26 is arranged on the outer wall of the top of the plug body 27 and the outer wall of the bottom of the mounting block 25, and a connecting pipe 29 is integrally arranged on the outer wall of one side of the pressure relief chamber 5; by arranging the plug body 27, the spring 26 and other structures, the steam pressure in the outer barrel 2 can be conveniently controlled, and meanwhile, the safety is improved; by arranging the sliding seat 30 and the adjusting knob 6, the position of the mounting block 25 can be adjusted according to requirements, so that the deformation amount of the spring 26 required when the connecting pipe 29 is conducted is controlled, and the aim of adjusting the maximum pressure relief pressure is fulfilled.
In order to improve the environmental protection; as shown in fig. 1 and 5, the outer wall of the pressure relief chamber 5 is connected to the exhaust gas treatment device 4 through a connection pipe 29, and the exhaust gas treatment device 4 is provided to achieve the effect of filtration and purification and improve the environmental protection performance.
Example 2:
a desulfurization and plasticization processing technology for waste rubber is shown in figures 1-5 and comprises the following steps:
s1: taking the rubber powder with fibers removed, and mixing the rubber powder with a regenerant in proportion;
s2: adding water into the inner cylinder 1, and introducing steam into the outer cylinder 2;
s3: adding the mixed materials into a feed hopper 9, and controlling a feed motor 8 to work for feeding;
s4: materials are transported into the inner cylinder 1 through the material transporting seat 19 and the material transporting groove 23, and the stirring motor 7 is controlled to work to drive the impeller 17 and the stirring plate 18 to rotate for stirring; during stirring, the water body is lifted by the lifting force of the impeller 17, the water body at the bottom rises, the water body at the top flows into the bottom of the impeller 17 through the circulating pipeline 13 to be supplemented, circulation is formed, full stirring is realized under the cooperation of the stirring plate 18, and finally desulfurization is finished;
s5: after the desulfurization is finished, the electric control valve 16 is controlled to work, the stirring motor 7 is stopped, and the discharge pipe 15 is conducted, so that the desulfurized rubber powder flows to the filtering device through the discharge pipe 15 to be filtered;
s6: and the filtered mixture flows into a plasticizing machine 3 for plasticizing treatment to complete desulfurization and plasticizing processing.
The mixing ratio of the rubber powder to the regenerant is 90-105: 1; the pressure of the steam introduced into the outer cylinder 2 is 0.88-0.99 Mpa; the initial temperature of the water body added into the inner barrel 1 is controlled to be 75-85 ℃; in the step S4, the stirring time is 2-3.5 h.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The waste rubber desulfurization and plasticization processing device comprises an inner cylinder (1) and an outer cylinder (2), and is characterized in that the inner wall of the top of the outer cylinder (2) is welded on the side wall of the top of the inner cylinder (1), the outer wall of one side of the outer cylinder (2) is connected into a steam system through a steam conveying pipe, and a water body is filled in the inner cylinder (1); the stirring device is characterized in that a stirring motor (7) is fixed on the outer wall of the top of the inner barrel (1) through screws, the output end of the stirring motor (7) is rotatably connected with a rotating main shaft through a coupler, impellers (17) which are uniformly distributed are fixed on the outer wall of the circumference of the rotating main shaft through screws, one end of the rotating main shaft is installed on the inner wall of the bottom of the inner barrel (1) through a bearing seat and an installation frame (21), a discharge chamber (14) is integrally and socially formed at the bottom of the inner barrel (1), a discharge pipe (15) is connected to the outer wall of the bottom end of the discharge chamber (14) through threads; and the bottom end of the discharge pipe (15) is connected with a filtering device through a flange, and the filtering device is connected with a plasticizing machine (3) through a pipeline.
2. The waste rubber desulfurization and plasticization processing device according to claim 1, wherein the outer circumferential wall of the inner cylinder (1) is welded with evenly distributed circulation pipelines (13), and the other end of the circulation pipeline (13) is welded on the outer bottom wall of the inner cylinder (1) right below the impeller (17).
3. The device for desulfurizing and plasticizing waste rubber according to claim 2, wherein the circulating pipe (13) is fixed with a filter plate (11) at one end of the side wall of the inner cylinder (1) by screws, and the filter plate (11) is provided with filter holes (20) distributed in an array on the outer surface.
4. The waste rubber desulfurization and plasticization processing device according to claim 3, wherein the outer walls of the tops of the impellers (17) are fixed with stirring plates (18) through connecting rods, the outer wall of one side of each stirring plate (18) is provided with pressure relief holes (12) which are uniformly distributed, and the pressure relief holes (12) are long-strip-shaped.
5. The waste rubber desulfurization and plasticization processing device according to claim 4, wherein the outer wall of the top of the inner cylinder (1) is welded with a material conveying chamber (10) and a material discharging bin (24), the material conveying chamber (10) and the material discharging bin (24) are of an integral structure, the outer wall of the top of the material conveying chamber (10) is fixed with a feeding motor (8) through screws, the output end of the feeding motor (8) is rotatably connected with a material conveying seat (19) through a coupler, the material conveying seat (19) is matched with the inner diameter of the material conveying chamber (10), the outer wall of the circumference of the material conveying seat (19) is provided with a material conveying groove (23), and the material conveying groove (23) corresponds to the horizontal position of the material discharging bin (24); the outer wall of one side of the material conveying chamber (10) is welded with a feed hopper (9), and one end of the feed hopper (9) corresponds to the horizontal position of the material conveying groove (23).
6. The waste rubber desulfurization and plasticization processing device according to claim 5, characterized in that the outer wall of the top of the outer cylinder (2) is welded with a pressure relief chamber (5), the inner wall of the top of the pressure relief chamber (5) is connected with a slide carriage (30) through a thread, the outer wall of the circumference of the slide carriage (30) is welded with a mounting block (25), and the outer wall of the top of the slide carriage (30) is fixed with an adjusting knob (6) through a screw; the inner wall of the bottom end of the sliding seat (30) is connected with a sliding column (28) in a sliding mode, the bottom end of the sliding column (28) is fixedly provided with a plug body (27) through screws, the outer wall of the top of the plug body (27) and the outer wall of the bottom of the mounting block (25) are provided with the same spring (26), and the outer wall of one side of the pressure relief chamber (5) is integrally provided with a connecting pipe (29).
7. A waste rubber devulcanizing and plasticizing processing apparatus according to claim 6, characterized in that the outer wall of one side of the pressure relief chamber (5) is connected with a waste gas processor (4) through a connecting pipe (29).
8. A waste rubber desulfurization and plasticization processing technology is characterized by comprising the following steps:
s1: taking the rubber powder with fibers removed, and mixing the rubber powder with a regenerant in proportion;
s2: adding water into the inner cylinder (1), and introducing steam into the outer cylinder (2);
s3: adding the mixed materials into a feed hopper (9), and controlling a feed motor (8) to work for feeding;
s4: materials are conveyed into the inner cylinder (1) through the material conveying seat (19) and the material conveying groove (23), and the stirring motor (7) is controlled to work to drive the impeller (17) and the stirring plate (18) to rotate for stirring; the desulfurization is completed;
s5: after the desulfurization is finished, the electric control valve (16) is controlled to work, the stirring motor (7) is stopped, and the discharge pipe (15) is conducted, so that the desulfurized rubber powder flows to the filtering device through the discharge pipe (15) to be filtered;
s6: and after filtering, the mixture flows into a plasticizing machine (3) for plasticizing treatment to complete desulfurization and plasticizing processing.
9. The waste rubber desulfurization and plasticization processing technology according to claim 8, wherein the mixing ratio of the rubber powder to the regenerant is 90-105: 1; the pressure of the steam introduced into the outer cylinder (2) is 0.88-0.99 Mpa; the initial temperature of the water body added into the inner cylinder (1) is controlled to be 75-85 ℃; in the step S4, the stirring time is 2-3.5 h.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114984806A (en) * | 2022-07-20 | 2022-09-02 | 东营市赫邦化工有限公司 | Epoxy chloropropane effluent treatment plant |
| CN115319094A (en) * | 2022-07-11 | 2022-11-11 | 深圳艾利佳材料科技有限公司 | Binder for powder titanium alloy injection molding |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115319094A (en) * | 2022-07-11 | 2022-11-11 | 深圳艾利佳材料科技有限公司 | Binder for powder titanium alloy injection molding |
| CN114984806A (en) * | 2022-07-20 | 2022-09-02 | 东营市赫邦化工有限公司 | Epoxy chloropropane effluent treatment plant |
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