CN115198395B - Green cyclic preparation system and method for spandex filaments from spandex prepolymer waste liquid - Google Patents

Green cyclic preparation system and method for spandex filaments from spandex prepolymer waste liquid Download PDF

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Publication number
CN115198395B
CN115198395B CN202210751224.0A CN202210751224A CN115198395B CN 115198395 B CN115198395 B CN 115198395B CN 202210751224 A CN202210751224 A CN 202210751224A CN 115198395 B CN115198395 B CN 115198395B
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China
Prior art keywords
waste liquid
prepolymer
sides
fixedly arranged
cleaning
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CN202210751224.0A
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CN115198395A (en
Inventor
秦春
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Hangzhou Qingyun New Material Co ltd
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Hangzhou Qingyun New Material Co ltd
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Priority to CN202210751224.0A priority Critical patent/CN115198395B/en
Publication of CN115198395A publication Critical patent/CN115198395A/en
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F13/00—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like
    • D01F13/04—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like of synthetic polymers
    • 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
    • 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
    • B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—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 multiple filtering elements, characterised by their mutual disposition in series connection
    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
    • 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
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/405—Methods of mixing liquids with liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/43—Mixing liquids with liquids; Emulsifying using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/70—Pre-treatment of the materials to be mixed
    • B01F23/708—Filtering materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
    • B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/712—Feed mechanisms for feeding fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/0066—Stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention discloses a spandex filament green circulation preparation system and method for spandex prepolymer waste liquid, and relates to the technical field of spinning. According to the spandex filament green circulation preparation system and method for the spandex prepolymer waste liquid, through the arrangement of the filtering component, after the waste liquid is poured into the filter cylinder through the blanking pipe, the cleaning rod installed in the filter cylinder in a rotating mode can rotate through the pouring of the waste liquid and the matching of the plurality of transmission blades, so that the cleaning frame installed at the end portion of the filter cylinder can be driven to operate, through the operation of the cleaning frame, the transmission rods installed through the internal rotation of the cleaning frame can drive rubber rollers arranged at two sides to operate along the chassis frame, the transmission rods at two sides can rotate and simultaneously drive the plurality of cleaning shaft sleeves fixedly sleeved on the outer sides of the transmission rods to operate, impurities attached to the surface of the filter screen plate are scraped, and the cleaning convenience of the filter screen plate and the filtering effect of the waste liquid are improved.

Description

Green cyclic preparation system and method for spandex filaments from spandex prepolymer waste liquid
Technical Field
The invention relates to the technical field of spinning, in particular to a spandex filament green circulation preparation system and method of spandex prepolymer waste liquid.
Background
Spandex is a short for polyurethane fiber, which is an elastic fiber; spandex generally consists of multiple filaments, typically 10D/yarn, 15D/yarn and even 20D/yarn currently exist, the fewer theoretical yarns, the better the evenness of the yarn, and the less chance of overlapping morphology.
The recovery that involves the waste liquid in spandex production, and need filter it through filtration equipment before carrying out prepolymerization, chain extension to the waste liquid, filter through impurity etc. with its inside and guarantee subsequent preparation effect, current filter equipment is when filtering the waste liquid, though can guarantee the filter effect of waste liquid, but can appear blockking up because of the adhesion of impurity, and be difficult to the impurity clearance discharge of filtering out, need carry out manual cycle clearance, comparatively loaded down with trivial details while has reduced the result of use of equipment.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a spandex filament green circulating preparation system and method for spandex prepolymer waste liquid, which solve the problems that the filtering effect of the waste liquid is easily reduced due to the adhesion of impurities and the period of cleaning the impurities is relatively complicated.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a spandex silk green circulation preparation system of spandex prepolymer waste liquid, includes the jar body, the bottom fixed mounting of jar body has the unloading subassembly, the top surface middle part fixed mounting of jar body has driving motor, the inside of jar body is provided with compounding subassembly and heating element, the top surface one side of jar body has a section of thick bamboo through bolt fixed mounting, the top surface middle part fixed mounting of section of thick bamboo has the unloading pipe, the tip fixed mounting of unloading pipe has a locating flange, the inside of section of thick bamboo is provided with filtering component, filtering component includes the chassis frame, chassis frame fixed mounting is in the bottom of section of thick bamboo, the inside symmetry of chassis frame has seted up a plurality of fan-shaped groove, and a plurality of fan-shaped groove inside equal fixed mounting has the filter screen, the inside central point of chassis frame is put and is installed the clearance pole through the bearing rotation, the other end rotation of clearance pole has the locating piece, the both ends of locating piece respectively with the inner wall both sides fixed connection of section of thick bamboo, the tip fixed mounting of clearance pole has a plurality of drive vane, and a plurality of drive vane are located the inside of unloading pipe respectively, the inside of a section of thick bamboo, the inside of thick bamboo is provided with filtering component, the inside of a rubber sleeve is equipped with the clearance pole, the seal ring is equipped with the seal carrier, the seal carrier is equipped with in two side seal carrier, seal carrier is all is equipped with the inside the clearance carrier, seal carrier is all is cup joint with the clearance carrier, both sides are all seal carrier is fixed with the inside, the bottom of the filter cylinder is provided with a pollution discharge assembly.
Preferably, the seal assembly comprises an inner ring sleeve, connecting shaft rods are fixedly arranged at two ends of the top surface of the inner ring sleeve, supporting springs are sleeved on the outer sides of the connecting shaft rods, two ends of the supporting springs are fixedly connected with two sides of the top surface of the inner ring sleeve and the inner top surface of the filter cylinder respectively, and a pulling plate frame is fixedly arranged between the ends of the connecting shaft rods.
Preferably, the inner ring sleeves are respectively and slidably arranged in the filter cylinder through connecting shaft rods on two sides of the top surface and are coaxial with the filter cylinder.
Preferably, a sealing backing ring is fixedly arranged at the end part of the inner ring sleeve, and the sealing backing ring is mutually attached to the top surface of the chassis frame.
Preferably, the blowdown assembly comprises a blowdown ring frame fixedly arranged at the bottom of the filter cylinder, the top surface of the blowdown ring frame is parallel to the top surface of the chassis frame, and the inner ring surface is connected with the chassis frame into a whole.
Preferably, the blowdown assembly further comprises a blowdown pipe, one end of the blowdown pipe is fixedly connected to the inside of the blowdown ring frame, and the other end of the blowdown pipe penetrates out of the filter cylinder and the tank body and keeps sealing with the filter cylinder and the tank body.
Preferably, the mixing assembly comprises a mixing rod, the end part of the mixing rod is rotatably sleeved with a limiting shaft sleeve and rotatably installed in the tank body through the limiting shaft sleeve, a plurality of mixing blades are fixedly installed on the outer side of the circumference of the mixing rod, and one end of the mixing rod is fixedly connected with the output end of the driving motor.
Preferably, the blanking assembly is fixedly arranged at the bottom of the tank body and keeps sealing with the tank body, and a butterfly valve is fixedly arranged in the blanking assembly.
The invention also discloses a spandex filament green circulation preparation method of the spandex prepolymer waste liquid, which specifically comprises the following steps:
s1, recycling the prepolymer meeting the recycling requirement, and storing the prepolymer in a reaction kettle for reaction at the reaction temperature of 45-65 ℃ to prepare prepolymer waste liquid meeting the recycling requirement;
s2, testing NCO indexes of the prepolymer waste liquid, confirming process conditions of a final polymerization chain extension process according to detection indexes, pouring the obtained quantitative DMAC solvent tank body into the prepolymer waste liquid through a discharging pipe fixedly arranged on the top surface of a filter cylinder, filtering the prepolymer waste liquid through a plurality of filter screens fixedly arranged in a fan-shaped groove, flowing the filtered prepolymer waste liquid into the tank body, mixing the waste liquid through a mixing component in the tank body, fully dissolving the mixed liquid, adding the mixed amine after the mixing into the tank body for chain extension reaction, and uniformly mixing the mixed amine with additives to obtain spinning stock solution after the reaction is finished;
s3, after the waste liquid is poured into the filter cylinder through the blanking pipe, a plurality of the filter screen plates can filter impurities contained in the waste liquid, meanwhile, the filter screen plates are internally rotatably installed, the cleaning rod can rotate through pouring of the waste liquid and matching of a plurality of transmission blades, so that the cleaning frame can be driven to be installed at the end of the filter screen plates, the rubber rollers arranged at the two sides can be driven to run along the chassis frame through the transmission rods arranged in the filter screen plates in a rotating mode, the transmission rods at the two sides can rotate and simultaneously drive the plurality of cleaning shaft sleeves fixedly sleeved on the outer sides of the transmission rods to run, impurities on the surfaces of the filter screen plates are scraped, the filtering effect of the waste liquid is guaranteed, when the filter screen plates are required to be cleaned after the waste liquid is filtered, the filter screen plates are pulled upwards, the connecting shafts at the two sides drive the inner ring sleeves to slide upwards, the sealing washer at the bottom of the filter screen plates is separated from the chassis frame, then the inner side of the filter cylinder is injected into the filter cylinder through the blanking pipe, the inner ring sleeves can be driven to continue to run along the chassis frame at the bottom through matching of the transmission blades and the transmission rods, and the separation of the inner ring sleeves and the dirt discharging frame can be carried out through the inner ring frames.
Preferably, the waste liquid in the step S2 is uniformly mixed and then is sampled and detected, so that the solid content of the prepared liquid is ensured to be 30-40%, and the viscosity is ensured to be 1000-4000 poise.
Advantageous effects
The invention provides a spandex filament green circulation preparation system and method for spandex prepolymer waste liquid. Compared with the prior art, the method has the following beneficial effects:
(1) According to the spandex filament green circulation preparation system and method for the spandex prepolymer waste liquid, through the arrangement of the filtering component, after the waste liquid is poured into the filter cylinder through the blanking pipe, the cleaning rod installed in the filter cylinder in a rotating mode can rotate through pouring of the waste liquid and matching of a plurality of transmission blades, so that the cleaning frame installed at the end portion of the filter cylinder can be driven to operate, through the operation of the cleaning frame, the transmission rods installed through the internal rotation of the cleaning frame can drive rubber rollers arranged at two sides to operate along the chassis frame, the transmission rods at two sides can rotate and simultaneously drive the plurality of cleaning shaft sleeves fixedly sleeved on the outer sides of the transmission rods to operate, impurities attached to the surface of the filter screen plate are scraped, cleaning effects of the filter screen plate are guaranteed, and cleaning convenience of the filter screen plate and filtering effects of the waste liquid are improved.
(2) According to the spandex filament green circulation preparation system and method for the spandex prepolymer waste liquid, through the arrangement of the sealing assembly, the pulling plate frame is pulled upwards, the inner ring sleeve slides upwards to enable the sealing backing ring fixedly arranged at the bottom of the inner ring sleeve to be separated from the chassis frame, clear water is injected into the filter cylinder through the blanking pipe, the cleaning frame at the bottom can be continuously driven to operate through the matching of the transmission blades and the cleaning rod through the injection of water flow, meanwhile, scraped impurities can flow to the inside of the pollution discharge ring frame along with the water flow through the separation of the inner ring sleeve and the chassis frame, and then the impurities are discharged through the pollution discharge pipe fixedly arranged on the side face of the pollution discharge ring frame, so that the automatic discharge of the impurities can be realized through pulling the pulling plate frame, and the use convenience of equipment is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of a filter assembly according to the present invention;
FIG. 4 is a schematic view of a filter cartridge according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of the present invention at point A;
FIG. 6 is a schematic view of the inner collar structure of the present invention;
FIG. 7 is a schematic cross-sectional view of a chassis frame and a blowdown ring frame of the present invention;
FIG. 8 is an enlarged schematic view of the structure of the present invention at point B;
FIG. 9 is a schematic flow chart of the present invention;
FIG. 10 is a schematic diagram of the invention for filtering a blend.
In the figure: 1. a tank body; 2. a blanking assembly; 3. a driving motor; 4. a mixing rod; 401. a limiting shaft sleeve; 5. mixing blades; 6. a filter cartridge; 7. a blow-down pipe; 8. discharging pipes; 801. positioning a flange; 9. pulling plate frame; 10. an inner ring sleeve; 1001. a connecting shaft lever; 1002. a support spring; 1003. a seal grommet; 11. cleaning a rod; 1101. a positioning block; 1102. a drive vane; 12. a cleaning frame; 1201. a limiting hole; 1202. rectangular grooves; 13. a chassis frame; 1301. a fan-shaped groove; 14. rubber rollers; 15. a screen plate; 16. a pollution discharge ring frame; 17. a transmission rod; 1701. and cleaning the shaft sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, the present invention provides a technical solution: a spandex silk green circulation preparation system of spandex prepolymer waste liquid comprises a tank body 1, a blanking component 2 is fixedly arranged at the bottom of the tank body 1, a driving motor 3 is fixedly arranged in the middle of the top surface of the tank body 1, a mixing component and a heating component are arranged in the tank body 1, a filter drum 6 is fixedly arranged on one side of the top surface of the tank body 1 through bolts, a blanking pipe 8 is fixedly arranged in the middle of the top surface of the filter drum 6, a positioning flange 801 is fixedly arranged at the end part of the blanking pipe 8, a filter component is arranged in the filter drum 6, the filter component comprises a chassis frame 13, the chassis frame 13 is fixedly arranged at the bottom of the filter drum 6, a plurality of fan-shaped grooves 1301 are symmetrically arranged in the chassis frame 13, filter screens 15 are fixedly arranged in the fan-shaped grooves 1301, a cleaning rod 11 is rotatably arranged in the center position in the chassis frame 13 through bearings, the other end of the cleaning rod 11 is rotatably provided with a positioning block 1101, two ends of the positioning block 1101 are fixedly connected with two sides of the inner wall of the filter cartridge 6 respectively, a plurality of driving blades 1102 are fixedly arranged at the end part of the cleaning rod 11 and are respectively positioned in the blanking pipe 8, a cleaning frame 12 is fixedly arranged at the other end of the cleaning rod 11, a limiting hole 1201 is formed in the cleaning frame 12 in a penetrating manner, two sides of the limiting hole 1201 are rotatably provided with driving rods 17, rectangular grooves 1202 are symmetrically formed in two sides of the bottom of the cleaning frame 12, cleaning shaft sleeves 1701 are fixedly sleeved on the outer sides of the circumferences of the two driving rods 17, rubber rollers 14 tangent to the top surface of the chassis frame 13 are respectively arranged at two sides of the top surface of the chassis frame 13, two rubber rollers 14 are respectively fixedly sleeved at the end parts of the two driving rods 17, a sealing assembly for keeping sealing is arranged in the filter cartridge 6 in an up-down sliding manner, the bottom of the filter cartridge 6 is provided with a sewage discharging component;
in the embodiment of the invention, the sealing assembly comprises an inner ring sleeve 10, connecting shaft rods 1001 are fixedly arranged at two ends of the top surface of the inner ring sleeve 10, supporting springs 1002 are sleeved on the outer sides of the two connecting shaft rods 1001, two ends of the two supporting springs 1002 are fixedly connected with two sides of the top surface of the inner ring sleeve 10 and the inner top surface of the filter cylinder 6 respectively, a pulling plate frame 9 is fixedly arranged between the end parts of the two connecting shaft rods 1001, the inner ring sleeve 10 is slidably arranged inside the filter cylinder 6 respectively through the connecting shaft rods 1001 at two sides of the top surface and is coaxial with the filter cylinder 6, a sealing cushion ring 1003 is fixedly arranged at the end part of the inner ring sleeve 10, the sealing cushion ring 1003 is mutually attached to the top surface of the chassis frame 13, and the inner ring sleeve 10 is supported by the supporting springs 1002 sleeved on the outer sides of the connecting shaft rods 1001 so that the sealing cushion ring 1003 fixedly arranged at the bottom of the inner ring sleeve keeps sealing attachment with the chassis frame 13;
in the embodiment of the invention, the sewage disposal assembly comprises a sewage disposal ring frame 16, the sewage disposal ring frame 16 is fixedly arranged at the bottom of the filter cartridge 6, the top surface of the sewage disposal ring frame 16 is parallel to the top surface of the chassis frame 13, the inner ring surface is connected with the chassis frame 13 into a whole, the sewage disposal assembly also comprises a sewage disposal pipe 7, one end of the sewage disposal pipe 7 is fixedly connected to the inside of the sewage disposal ring frame 16, and the other end of the sewage disposal pipe 7 penetrates out of the filter cartridge 6 and the tank body 1 and is sealed with the filter cartridge 6 and the tank body 1;
in the embodiment of the invention, the mixing component comprises a mixing rod 4, the end part of the mixing rod 4 is rotatably sleeved with a limiting shaft sleeve 401 and is rotatably arranged in the tank body 1 through the limiting shaft sleeve 401, a plurality of mixing blades 5 are fixedly arranged on the outer side of the circumference of the mixing rod 4, one end of the mixing rod 4 is fixedly connected with the output end of a driving motor 3, the driving motor 3 is an existing device, a discharging component 2 is fixedly arranged at the bottom of the tank body 1 and keeps sealing with the tank body 1, a butterfly valve is fixedly arranged in the discharging component 2 and is an existing electric butterfly valve, the discharging component is used for controlling waste liquid in the tank body 1 to carry out discharging operation through the discharging component 2, a heating component is an existing heating wire, and the heating wire uniformly surrounds the inside of the tank body 1 and is used for preparing the tank body 1 under the condition of guaranteeing constant temperature.
The embodiment of the invention also discloses a spandex filament green circulation preparation method of the spandex prepolymer waste liquid, which specifically comprises the following steps:
s1, recycling the prepolymer meeting the recycling requirement, and storing the prepolymer in a reaction kettle for reaction at the reaction temperature of 45-65 ℃ to prepare prepolymer waste liquid meeting the recycling requirement;
s2, testing NCO indexes of the prepolymer waste liquid, confirming process conditions of a final polymerization chain extension process according to detection indexes, pouring the obtained quantitative DMAC solvent tank body 1 into the prepolymer waste liquid through a discharging pipe 8 fixedly arranged on the top surface of a filter cylinder 6, filtering the prepolymer waste liquid through a plurality of filter screen plates 15 fixedly arranged in a fan-shaped groove 1301, flowing the filtered prepolymer waste liquid into the tank body 1, mixing the waste liquid through a mixing component in the tank body 1, fully dissolving the mixed liquid, adding the mixed amine after the preparation into the tank body 1 for chain extension reaction, and uniformly mixing the mixed amine with additives to obtain spinning stock solution after the reaction is finished;
s3, after the waste liquid is poured into the filter cylinder 6 through the blanking pipe 8, a plurality of filter screen plates 15 can filter impurities contained in the waste liquid, meanwhile, the cleaning rod 11 installed in the filter cylinder 6 in a rotating mode can rotate through pouring of the waste liquid and matching of a plurality of transmission blades 1102, so that the cleaning frame 12 installed at the end portion of the waste liquid can be driven to operate, through operation of the cleaning frame 12, the transmission rods 17 installed through the internal rotation of the waste liquid can drive rubber rollers 14 arranged at two sides to operate along the chassis frame 13, the transmission rods 17 at the two sides can rotate and simultaneously drive a plurality of cleaning shaft sleeves 1701 fixedly sleeved on the outer sides of the waste liquid to operate, impurities attached to the surfaces of the filter screen plates 15 are scraped, the filtering effect of the waste liquid is guaranteed, when the waste liquid is filtered, the filter screen plates 15 need to be cleaned, the inner ring frame 9 is pulled upwards through being pulled, the connecting shaft 1001 at the two sides drives the inner ring sleeve 10 to slide upwards, the sealing backing ring 1003 fixedly installed at the bottom of the waste liquid is separated from the chassis frame 13, then the rubber rollers 14 are driven to operate along the chassis frame 13 through the transmission rods 17 installed in the internal rotation of the waste liquid, the transmission rods 17 at the two sides can drive the two sides of the waste liquid to operate along the chassis frame 13, the inner ring sleeve 12 is driven by the inner ring sleeve 12 through matching of the transmission blades 11, and simultaneously, and the waste water can be discharged from the sewage can continuously through the inner ring frame 16 through the ring frame 16 to the inner ring frame 13.
In the embodiment of the invention, the waste liquid in the step S2 is uniformly mixed and then is sampled and detected, so that the solid content of the prepared liquid is ensured to be 30-40%, and the viscosity is ensured to be 1000-4000 poise.
And all that is not described in detail in this specification is well known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a spandex silk green cycle preparation system of spandex prepolymer waste liquid, includes a jar body (1), the bottom fixed mounting of jar body (1) has unloading subassembly (2), the top surface middle part fixed mounting of jar body (1) has driving motor (3), the inside of jar body (1) is provided with compounding subassembly and heating element, its characterized in that: a filter cylinder (6) is fixedly arranged on one side of the top surface of the tank body (1) through a bolt, a blanking pipe (8) is fixedly arranged in the middle of the top surface of the filter cylinder (6), a positioning flange (801) is fixedly arranged at the end part of the blanking pipe (8), and a filter assembly is arranged in the filter cylinder (6);
the filter assembly comprises a chassis frame (13), the chassis frame (13) is fixedly arranged at the bottom of a filter cylinder (6), a plurality of fan-shaped grooves (1301) are symmetrically arranged in the chassis frame (13), a plurality of filter screen plates (15) are fixedly arranged in the fan-shaped grooves (1301), a cleaning rod (11) is rotatably arranged at the inner center position of the chassis frame (13) through a bearing, a positioning block (1101) is rotatably arranged at the other end of the cleaning rod (11), two ends of the positioning block (1101) are fixedly connected with two sides of the inner wall of the filter cylinder (6) respectively, a plurality of driving blades (1102) are fixedly arranged at the end parts of the cleaning rod (11), a plurality of driving blades (1102) are respectively positioned in the blanking pipe (8), a cleaning frame (12) is fixedly arranged at the other end of the cleaning rod (11), a limiting hole (1201) is formed in the cleaning frame (12) in a penetrating mode, driving rod (17) is rotatably arranged at two sides of the limiting hole (1201), a positioning block (1101) is symmetrically arranged at the bottom of the cleaning frame (12), two sides of the cleaning rod (1202) are symmetrically arranged at the two sides of the cleaning rod (17), two sides of the cleaning rod (17) are fixedly sleeved with a top surface of a rubber sleeve (1701), two sides of the cleaning rod (1701) are fixedly sleeved with a rubber sleeve, two sides of the top surface of the cleaning rod (1701), the two rubber rollers (14) are fixedly sleeved at the end parts of the two transmission rods (17) respectively, a sealing assembly for keeping sealing is arranged in the filter cylinder (6) in a sliding manner up and down, and a pollution discharge assembly is arranged at the bottom of the filter cylinder (6);
the sealing assembly comprises an inner ring sleeve (10), connecting shaft rods (1001) are fixedly arranged at two ends of the top surface of the inner ring sleeve (10), supporting springs (1002) are sleeved on the outer sides of the two connecting shaft rods (1001), two ends of the supporting springs (1002) are fixedly connected with two sides of the top surface of the inner ring sleeve (10) and the inner top surface of a filter cylinder (6) respectively, a pulling plate frame (9) is fixedly arranged between the two ends of the connecting shaft rods (1001), the inner ring sleeve (10) is slidably arranged in the filter cylinder (6) through the connecting shaft rods (1001) on two sides of the top surface and is coaxial with the filter cylinder (6), a sealing gasket ring (1003) is fixedly arranged at the end part of the inner ring sleeve (10), and the sealing gasket ring (1003) is attached to the top surface of a chassis frame (13);
the utility model provides a sewage disposal assembly includes blowdown link (16), blowdown link (16) fixed mounting is in the bottom of straining a section of thick bamboo (6), the top surface of blowdown link (16) keeps parallelism with the top surface of chassis frame (13), and interior ring face and chassis frame (13) are connected as an organic wholely, the blowdown assembly still includes blow off pipe (7), the inside of one end fixed connection to blowdown link (16) of blow off pipe (7), filter a section of thick bamboo (6) and jar body (1) are worn out to the other end of blow off pipe (7), and all keep sealedly between straining a section of thick bamboo (6) and jar body (1).
2. The spandex filament green cycle preparation system of spandex prepolymer waste liquid according to claim 1, characterized in that: the utility model discloses a jar of material mixing assembly, including compounding pole (4), the tip of compounding pole (4) rotates and has cup jointed spacing axle sleeve (401), and rotates the inside of installing at jar body (1) through spacing axle sleeve (401), the circumference outside fixed mounting of compounding pole (4) has a plurality of compounding blade (5), the one end of compounding pole (4) is fixed connection with the output of driving motor (3).
3. The spandex filament green circulation preparation system of the spandex prepolymer waste liquid according to claim 2, which is characterized in that: the blanking assembly (2) is fixedly arranged at the bottom of the tank body (1) and keeps sealing with the tank body (1), and a butterfly valve is fixedly arranged in the blanking assembly (2).
4. A method of implementing the spandex filament green cycle preparation system of the spandex prepolymer waste liquid of claim 3, comprising the steps of:
s1, recycling the prepolymer meeting the recycling requirement, and storing the prepolymer in a reaction kettle for reaction at the reaction temperature of 45-65 ℃ to prepare prepolymer waste liquid meeting the recycling requirement;
s2, testing NCO indexes of the prepolymer waste liquid, confirming process conditions of a final polymerization chain extension process according to detection indexes, pouring the obtained quantitative DMAC solvent tank body (1) into the prepolymer waste liquid through a blanking pipe (8) fixedly arranged on the top surface of a filter cylinder (6), filtering the prepolymer waste liquid through a plurality of filter screen plates (15) fixedly arranged in a fan-shaped groove (1301), flowing the filtered prepolymer waste liquid into the tank body (1), mixing the waste liquid through a mixing component in the tank body (1), fully dissolving the mixed liquid, adding the mixed amine after the mixing into the tank body (1) for chain extension reaction, and uniformly mixing the mixed amine after the reaction is finished by adding additives into the tank body to obtain spinning stock solution;
s3, after waste liquid is poured into the filter cylinder (6) through the blanking pipe (8), a plurality of filter screen plates (15) can filter impurities contained in the waste liquid, meanwhile, a cleaning rod (11) rotatably installed in the filter cylinder (6) can rotate through pouring of the waste liquid and matching of a plurality of transmission blades (1102), so that a cleaning frame (12) installed at the end part of the filter screen plates can be driven to operate, through the operation of the cleaning frame (12), rubber rollers (14) arranged at two sides can be driven by transmission rods (17) rotatably installed in the filter screen plates, along a chassis frame (13), the transmission rods (17) at the two sides can rotate and simultaneously drive a plurality of cleaning shaft sleeves (1701) fixedly sleeved on the outer sides of the filter screen plates to operate, impurities attached to the surfaces of the filter screen plates (15) are scraped, the filtering effect of the waste liquid is guaranteed, when the waste liquid is filtered, the filter screen plates (15) are required to be cleaned, the inner ring sleeve (10) is driven to slide upwards through the connection rods (1001) at the two sides, the bottom of the filter screen plates (15) are enabled to be fixedly installed, the sealing ring (1003) is enabled to be separated from the sealing ring (13) and then can be driven to be continuously matched with the cleaning shaft (12) through the transmission rods (12) to be injected into the bottom of the filter cylinder (12), meanwhile, due to the separation of the inner annular sleeve (10) and the chassis frame (13), scraped impurities can flow to the inside of the sewage disposal annular frame (16) along with water flow, and then are discharged through the sewage disposal pipe (7) fixedly arranged on the side surface of the sewage disposal annular frame (16).
5. The method according to claim 4, wherein: and (2) uniformly mixing the waste liquid in the step (S2), and then sampling and detecting the mixed waste liquid to ensure that the solid content of the prepared liquid is 30-40% and the viscosity of the prepared liquid is 1000-4000 poise.
CN202210751224.0A 2022-06-28 2022-06-28 Green cyclic preparation system and method for spandex filaments from spandex prepolymer waste liquid Active CN115198395B (en)

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CN114560584A (en) * 2022-03-23 2022-05-31 陈月新 Secondary water supply environmental protection equipment for circulating water filtration
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