CN110003368B - Automatic production equipment for absorption resin and application method thereof - Google Patents
Automatic production equipment for absorption resin and application method thereof Download PDFInfo
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- CN110003368B CN110003368B CN201910331558.0A CN201910331558A CN110003368B CN 110003368 B CN110003368 B CN 110003368B CN 201910331558 A CN201910331558 A CN 201910331558A CN 110003368 B CN110003368 B CN 110003368B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/04—Acids, Metal salts or ammonium salts thereof
- C08F20/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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Abstract
The invention discloses an automatic production device for absorbing resin and a use method thereof, wherein the automatic production device comprises a mixing device, a polymerization reaction belt, a primary granulator, a dryer, a secondary granulator, a grinding machine and a moistureproof screening device; the discharge port of the mixing device is arranged at the feed end of the polymerization reaction belt, the discharge end of the polymerization reaction belt is connected with the feed end of the primary granulator, the discharge port of the primary granulator is connected with the feed port of the dryer, the dryer discharge gate is connected with secondary granulator feed end, secondary granulator discharge end is connected with the abrasive grain machine feed inlet through negative pressure transportation pipeline, the abrasive grain machine discharge gate is connected with dampproofing screening plant through negative pressure transportation pipeline. The invention realizes continuous production, improves the production efficiency, naturally dissipates and cools heat generated by polymerization along with the belt running and air contact, improves the product quality, saves a large amount of manpower and material resources and reduces the cost.
Description
Technical Field
The invention belongs to the technical field of resin semi-finished product manufacturing equipment, and particularly relates to automatic production equipment for absorbing resin and a using method thereof.
Background
The super absorbent resin is a macromolecule containing hydrophilic groups and a cross-linked structure, and is prepared by grafting starch with polyacrylonitrile by Fanta and the like and then saponifying the starch.
The super absorbent polymer has wide application and very wide application prospect. At present, the main application of the sanitary towel is still sanitary articles, and the sanitary towel accounts for about 70% of the total market. Because the sodium polyacrylate super absorbent resin has great water absorption capacity and excellent water retention performance, the sodium polyacrylate super absorbent resin has wide application range in agriculture and forestry as a soil water retention agent. If a small amount of sodium polyacrylate with high water absorbability is added into the soil, the germination rate of some beans and the drought resistance of bean seedlings can be improved, so that the air permeability of the soil is enhanced.
The existing production equipment is relatively backward, automatic production cannot be realized, production efficiency is low, yield is low, and a large amount of manpower and material resources are needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides an automatic production device for absorbing resin, realizes continuous production, improves the production efficiency, naturally dissipates and cools heat generated by polymerization along with the belt running and air contact, improves the product quality, saves a large amount of manpower and material resources and reduces the cost.
The invention also provides a use method of the automatic production equipment for the absorption resin, which realizes continuous production of the absorption resin, improves the discontinuous production of the absorption resin by the original polymerization tray, greatly improves the production efficiency and the production quality by continuous operation of the polymerization reaction belt, and saves manpower and material resources.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
an automatic production device for absorbing resin comprises a mixing device, a polymerization reaction belt, a primary granulator, a dryer, a secondary granulator, an abrasive grain machine and a moistureproof screening device; the discharge port of the mixing device is arranged at the feed end of the polymerization reaction belt, the discharge end of the polymerization reaction belt is connected with the feed end of the primary granulator, the discharge port of the primary granulator is connected with the feed port of the dryer, the dryer discharge gate is connected with secondary granulator feed end, secondary granulator discharge end is connected with the abrasive grain machine feed inlet through negative pressure transportation pipeline, the abrasive grain machine discharge gate is connected with dampproofing screening plant through negative pressure transportation pipeline.
The mixing device comprises an acid storage tank and an alkali liquor storage tank, the acid storage tank is connected with an acid liquor preparation tank through a pipeline, the acid liquor preparation tank is connected with an acid liquor transfer tank through a pipeline, the acid liquor transfer tank is connected with an acid liquor pressure stabilizing tank through a pipeline, a flow meter is arranged at the discharge end of the acid liquor pressure stabilizing tank, and the flow meter is connected with a first feed inlet of the mixing tank through a pipeline; the alkali liquor storage tank is connected with the alkali liquor preparation tank through a pipeline, the alkali liquor preparation tank is connected with the alkali liquor transfer tank through a pipeline, the alkali liquor transfer tank is connected with the alkali liquor pressure stabilizing tank through a pipeline, a flow meter is arranged at the discharge end of the alkali liquor pressure stabilizing tank, the flow meter is connected with the second feed inlet of the mixing tank through a pipeline, and the discharge port of the mixing tank is arranged at the feed end of the polymerization reaction zone.
The mixing tank comprises a machine body, a first feed inlet and a second feed inlet are formed in the upper portion of the left end of the machine body, a plurality of pairs of guide plates are arranged on the two sides in the machine body, and a discharge hole is formed in the right end of the machine body.
The negative pressure transportation pipeline dampproofing conveyer and negative pressure conveyer, dampproofing conveyer includes organism, heating pipeline, heating channel is located the organism, heating channel is air inlet, air volume adjusting device, air volume sensor, heating device, gas outlet from left to right in proper order, the organism outside is equipped with operating panel and humidity transducer, operating panel is last to be equipped with treater, display module, regulating switch, the gas outlet passes through the pipeline and is connected with negative pressure transportation pipeline, negative pressure transportation pipeline left side is the feed end, is equipped with air pressure sensor on the feed end, negative pressure transportation pipeline right-hand member is the discharge end, be equipped with temperature sensor on the discharge end, air volume sensor, air pressure sensor, humidity transducer, temperature sensor are connected with the treater respectively, the treater is connected with display module and regulating switch, regulating switch is connected with air volume adjusting device, heating device, be equipped with negative pressure conveyer on the negative pressure transportation pipeline.
Dampproofing screening plant includes dampproofing device, screening plant one side is equipped with dampproofing device, dampproofing device passes through the pipeline and is connected with screening plant's air inlet, screening plant includes the box, be equipped with a plurality of layers of screen cloth in the box, box upper portion is connected with the elasticity case lid, elasticity case lid middle part is equipped with rotatory section of thick bamboo, the case lid passes through ball sliding connection with rotatory section of thick bamboo, rotatory section of thick bamboo lower part is connected with the dispersing head, rotatory section of thick bamboo upper portion is connected with the feed cylinder, rotatory section of thick bamboo passes through the belt and is connected with the motor of one side, screen cloth top and below are equipped with the discharging pipe, and two upper and lower adjacent discharging pipe subtends set up, are equipped with the air inlet on every discharging pipe contralateral box, the box below is equipped with vibrating device.
The vibrating device comprises a base, a hydraulic cylinder is arranged in the base, a supporting plate is arranged above the base, an ejection mechanism of the hydraulic cylinder is connected with the supporting plate, a plurality of elastic pieces are arranged on the upper portion of the supporting plate, the supporting plate is connected with the elastic pieces through connecting pieces, and the upper ends of the elastic pieces are connected with the bottom of the box through the connecting pieces.
The moistureproof device comprises a case, the machine incasement is equipped with the drum air heater, machine case one side is equipped with the air intake, and the opposite side is equipped with the air outlet, the air outlet passes through the pipeline and is connected with screening plant's air inlet, the drum air heater passes through pipeline and air intake connection, the drum air heater passes through the pipeline and is connected with the air outlet, machine case one side is equipped with humidity transducer, the machine case outside is equipped with the controller, drum air heater and humidity transducer are connected with the controller electricity, be equipped with display and control knob on the controller.
The polymerization reaction belt comprises a belt, a frame, a driving roller, a redirecting roller, a bearing roller, a return idler and a cleaning device, wherein the frame comprises a supporting leg and a supporting frame, the supporting leg is connected with the bottom of the supporting frame, a plurality of bearing rollers are arranged on the supporting frame, the bearing roller is connected with the supporting frame through sliding pieces, the driving roller is arranged at the right end of the supporting frame, the driving roller is connected with the supporting frame through a connecting shaft, the return idler is arranged on the upper portion of the supporting leg, the driving roller is connected with a motor through a belt or a transmission gear, a plurality of upper brackets are arranged on the left side of the supporting frame, the height of the upper brackets is reduced from left to right in sequence, the redirecting roller is arranged on the upper brackets, the redirecting roller is inclined by 15-60 degrees with the horizontal angle, the upper portion of the belt is arranged on the upper portion of the bearing roller and bypasses the driving roller, the lower portion of the redirecting roller is arranged on the upper portion of the return idler, and the cleaning device is arranged below the right side of the supporting frame.
The method for using the automatic production equipment of the absorption resin comprises the steps of uniformly mixing raw materials such as acrylic acid, alkali liquor and other auxiliary materials required by the production of the absorption resin through a mixing device, continuously and stably introducing the mixed solution into a polymerization reaction belt for polymerization and condensation, continuously running the polymerization reaction belt, cutting the semi-finished product into particles through a primary granulator after polymerization, drying the particles through a dryer after the semi-finished product is sheet-shaped, further cutting and crushing the dried materials through a secondary granulator, conveying the crushed particles to an abrasive grain machine through a negative pressure conveying pipeline to be crushed into fine particles, conveying the particles to a sieving device through a negative pressure conveying pipeline to sieve the particles according to the size, conveying the particles with overlarge particle size to the abrasive grain machine through the negative pressure conveying pipeline after sieving to be crushed again, and carrying out other treatments on the particles with overlarge particle size.
Starting a polymerization reaction belt, starting a mixing device after the polymerization reaction belt reaches a certain rotating speed, continuously and stably feeding an acid-base solution into a mixing tank through a pressure stabilizing tank, and polymerizing, cooling and condensing the mixed solution on a belt of the polymerization reaction belt.
The beneficial effects of the invention are as follows:
1) The method comprises the steps of uniformly mixing raw materials such as acrylic acid, alkali liquor and other auxiliary materials required by resin production through a mixing device, continuously and stably introducing the mixed solution into a polymerization reaction belt for polymerization and condensation, continuously running the polymerization reaction belt, cutting the semi-finished product into particles through a primary granulator, drying the particles through a dryer, further cutting and crushing the dried materials through a secondary granulator, conveying the crushed particles to an abrasive grain machine through a negative pressure conveying pipeline, crushing the crushed particles into fine particles, conveying the fine particles to a screening device through the negative pressure conveying pipeline, screening the particles with overlarge particle size, conveying the particles to the abrasive grain machine through the negative pressure conveying pipeline, re-crushing the particles with overlarge particle size, carrying out other treatments, and carrying out repeated screening for improving the product quality.
2) The acid storage tank is used for storing acrylic acid, the acid preparation tank is used for mixing the acid with 2 small materials and distilled water in proportion accurately through a pipeline, the acid transfer tank is used for continuously feeding the prepared acid into the acid pressure stabilizing tank, weight display is arranged on the tank, the material in the acid transfer tank is controlled to be not lower than the lowest liquid level and higher than the highest liquid level, the acid pressure stabilizing tank is used for continuously and stably feeding the acid into the mixing tank, the liquid level in the acid pressure stabilizing tank is stabilized, the flow of the acid entering the mixing tank through the flowmeter is stabilized, the flow of the acid is stabilized, the alkali storage tank is used for storing alkali, the alkali preparation tank is used for mixing the alkali with the 2 small materials and distilled water in proportion accurately through the pipeline, the alkali transfer tank is used for continuously feeding the prepared alkali into the alkali pressure stabilizing tank, weight display is arranged on the tank, the material in the alkali transfer tank is controlled to be not lower than the lowest liquid level and higher than the highest liquid level, the alkali pressure stabilizing tank is used for continuously and stably feeding the alkali into the mixing tank, the liquid level in the alkali pressure stabilizing tank is stabilized, the flow of the acid flow entering the mixing tank through the flowmeter is stabilized, the flowmeter is guaranteed, and the alkali flow of the alkali entering the mixing tank is stabilized, and the alkali is well.
3) The acid liquor and the alkali liquor enter the mixing tank through the first feed inlet and the second feed inlet, and the solution flows towards the discharge outlet continuously, and the mixed solution is mixed by the guide plates continuously in a convection way, so that the mixing is more uniform.
4) The air quantity is regulated by the air quantity regulating device, so that the air pressure in the negative pressure conveying pipeline is kept at negative pressure, and the transportation is not influenced; the air is heated by the heating device to prevent the absorption resin particles from absorbing water and being wet, and prevent the particles from adhering to and blocking the transportation pipeline after absorbing water; because the air pressure in the transportation pipeline is far less than outside space, air naturally flows into the transportation pipeline from the air inlet, the air quantity is adjusted through the air quantity adjusting device, the air quantity sensor transmits air quantity information to the processor, the heating device heats the air, the air enters the transportation pipeline from the air outlet through the pipeline, the humidity sensor transmits outside air humidity information to the processor, the air pressure sensor transmits air pressure information of the feeding end to the processor, the temperature sensor transmits air temperature information of the discharging end to the processor, the processor transmits collected sensor information to the display module, staff adjusts the air quantity adjusting device and the heating device according to the process requirements, the system is enabled to stably and normally operate, the air quantity is too much when the air pressure of the feeding end is too large, the air quantity is reduced through the air quantity adjusting device, when the temperature of the discharging end is too low, the temperature is adjusted through the heating device, and the temperature of the heating device can be adjusted too much outside humidity.
5) The moisture-proof device is heated air, small water drops in the air become water vapor, the high-water-absorption resin particles can not absorb water, the high-temperature air can evaporate the water in the high-water-absorption resin particles, the moisture-proof device is connected with the screening device through a pipeline, hot air is filled into the box body, a plurality of layers of screens are arranged in the box body, the screens are used for classifying and screening the high-water-absorption resin particles according to requirements, the upper part of the box body is connected with the elastic box cover, the elastic box cover can keep the upper part of the box body immovably and flexible in the middle, good sealing performance is kept, the rotating cylinder is connected with a motor on one side through a belt, the motor drives the rotating cylinder to rotate, the rotating cylinder drives the dispersing head to uniformly disperse the high-water-absorption resin particles on the screens, a discharging pipe is arranged above and below the screen, negative pressure suction pipe is arranged in the discharging pipe, the filtered resin particles are sucked out, the vibrating device is arranged below the box body, the box body vibrates up and down, the high-water-absorption resin particles vibrate through the screen, the moisture-proof device is used for avoiding high-absorption resin particles to expand and agglomerate, the screen is blocked, the screen is used for blocking the screen, the dispersing head is used for uniformly dispersing the high-absorption resin particles on the screen, and the particles are concentrated on the screen, and the screen is avoided.
6) The ejection mechanism of pneumatic cylinder is connected with the backup pad, vibrations about the control backup pad, the backup pad passes through the connecting piece to be connected with the elastic component, the elastic component upper end passes through the connecting piece to be connected with the bottom half, reduce the inertial impact to the pneumatic cylinder of vibrations about the box, if with box rigid connection about the pneumatic cylinder ejection mechanism, because box weight is heavier, the inertia is great when the box reciprocates, the summit box can produce great inertial force to the pneumatic cylinder at ejection mechanism reciprocates, when connecting through the elastic component between backup pad and box, the elastic component will play the cushioning effect in the centre, increase the life of pneumatic cylinder.
7) The drum heater and the humidity sensor are electrically connected with the controller, the humidity sensor transmits the air humidity outside the case to the controller, the current humidity is displayed on the display, a worker adjusts the heating temperature of the drum heater through the control knob according to the process requirement, the dampproof device can adjust the heating temperature according to the air humidity, the moisture content of the high-water-absorption resin particles is conveniently controlled, and the better drying water-absorption resin is prevented from swelling due to water absorption.
8) The mixing device is used for uniformly mixing acid liquor, alkali liquor and other ingredients and guiding the mixture into a polymerization reaction belt through a discharge hole, a bearing roller on the polymerization reaction belt supports the belt to operate, a driving roller provides power for continuous operation of the belt, a return idler supports the belt below the belt and is prevented from falling onto a floor, a motor drives the driving roller to operate, a redirecting roller gathers the solution towards the middle, the solution is directly poured onto the belt and can flow and spill out to two sides of the belt because the solution just mixed is very strong in fluidity, the redirecting roller lifts the belts on two sides to gather the solution towards the middle and operates along with the belt, the solution is gradually cooled and solidified, the length of the redirecting roller is gradually reduced, the belt is gradually flattened, the redirecting roller can effectively prevent the solution just guided onto the belt from spilling out, a cleaning device can effectively clean residues adhered to the belt in the return stage, the acid-alkali mixed solution is cooled and condensed on the belt to form a sheet on the belt, and enters a dryer at the next step, and sometimes some residues are not separated from the belt, and the continuous polymerization reaction working quality is affected; the polymerization reaction belt continuously runs to realize continuous production, so that the production efficiency is improved, and heat generated by polymerization is naturally dispersed and cooled along with the belt running and air contact, so that the product quality is improved.
9) The method realizes continuous production of the absorption resin, improves the original discontinuous production through the polymerization tray, greatly improves the production efficiency and the production quality through continuous operation of the polymerization reaction belt, saves manpower and material resources, and solves the problems that the absorption resin absorbs water to block the screening holes and the transportation pipeline by the moisture-proof screening device and the moisture-proof transportation pipeline, so that the production system stably and safely operates.
Drawings
FIG. 1 is a schematic view of a polymerization zone of an automated production facility for absorbent resins according to the present invention.
FIG. 2 is an enlarged schematic view of the polymerization zone B of the apparatus for automatically producing absorbent resins of FIG. 1 according to the present invention.
FIG. 3 is an enlarged schematic view of the polymerization zone A of the apparatus for automatically producing absorbent resins of FIG. 1 according to the present invention.
FIG. 4 is a schematic top view of a mixing tank of an automatic production device for absorbing resin.
FIG. 5 is a schematic diagram of the inside of a mixing tank of an automatic production device for absorbing resin.
FIG. 6 is a schematic side view of a mixing tank of an automatic production device for absorbing resin.
FIG. 7 is a schematic view of a screening device for an automated production facility for absorbent resins according to the present invention.
FIG. 8 is a schematic view of a screening moisture-proof device of an automated absorbent resin production apparatus according to the present invention.
FIG. 9 is a schematic view of a moisture-proof transport pipeline of an automated production facility for absorbent resins according to the present invention.
FIG. 10 is a schematic view of a moisture-proof transport pipeline of an automated production facility for absorbent resins according to the present invention.
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.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
An automatic production device for absorbing resin comprises a mixing device, a polymerization reaction belt, a primary granulator, a dryer, a secondary granulator, an abrasive grain machine and a moistureproof screening device; the discharge port of the mixing device is arranged at the feed end of the polymerization reaction belt, the discharge end of the polymerization reaction belt is connected with the feed end of the primary granulator, the discharge port of the primary granulator is connected with the feed port of the dryer, the dryer discharge gate is connected with secondary granulator feed end, secondary granulator discharge end is connected with the abrasive grain machine feed inlet through negative pressure transportation pipeline, the abrasive grain machine discharge gate is connected with dampproofing screening plant through negative pressure transportation pipeline.
The discharge port of the mixing device is connected with a polymerization reaction belt, the polymerization reaction belt comprises a belt, a frame, a driving roller 18, a redirecting roller 13, a bearing roller 15, a return idler 16 and a cleaning device, the frame comprises a supporting leg 21 and a supporting frame 20, the supporting leg 21 is connected with the bottom of the supporting frame 20, a plurality of bearing rollers 15 are arranged on the supporting frame 20, the bearing roller 15 is connected with the supporting frame 20 through sliding pieces, the driving roller 18 is arranged at the right end of the supporting frame 20, the driving roller 18 is connected with the supporting frame 20 through a connecting shaft, the upper part of the supporting leg 21 is provided with a return idler 16, the driving roller 18 is connected with a motor through a belt or a transmission gear, a plurality of upper brackets 11 are arranged at the left side of the supporting frame 20, the heights of the upper brackets 11 are sequentially reduced from left to right, the redirecting roller 13 is arranged on the upper brackets 11, the direction-changing roller 13 is inclined 15-60 degrees with the horizontal, the upper part of the belt is arranged on the upper part of the direction-changing roller 13 of the bearing roller 15 and bypasses the driving roller 18, the lower part is arranged on the upper part of the return roller, the cleaning device is arranged below the right side of the supporting frame 20, the mixing device uniformly mixes acid liquor, alkali liquor and other ingredients and guides the same into the polymerization reaction belt through the discharge hole, the bearing roller 15 on the polymerization reaction belt supports the belt to operate, the driving roller 18 provides power for continuous operation of the belt, the return roller 16 supports the lower belt and avoids falling onto the floor, the motor drives the driving roller 18 to operate, the direction-changing roller 13 gathers the solution to the middle, the solution is directly poured onto the belt and flows and spills out to the two sides of the belt because the mobility of the just mixed solution is very strong, the direction-changing roller 13 lifts the belts at the two sides to gather the solution to the middle along with the operation of the belt, the solution is gradually cooled and solidified, the length of the redirecting roller 13 gradually reduces and the belt is gradually flattened, the redirecting roller 13 can effectively prevent the solution just led into the belt from being spilled out, the cleaning device can effectively clean residues adhered in the return stroke stage of the belt, the acid-base mixed solution is cooled and condensed into sheets on the belt and enters a dryer for the next step through the belt at the driving roller 18 for treatment, and sometimes some residues are not separated from the belt and influence the working quality of continuous polymerization reaction; the continuous polymerization reaction belt runs continuously to realize continuous production, so that the production efficiency is improved, and heat generated by polymerization is naturally dispersed and cooled along with the belt running and air contact, so that the product quality is improved.
The mixing device comprises an acid storage tank and an alkali liquor storage tank, the acid storage tank is connected with an acid liquor preparation tank through a pipeline, the acid liquor preparation tank is connected with an acid liquor transfer tank through a pipeline, the acid liquor transfer tank is connected with an acid liquor pressure stabilizing tank through a pipeline, a flow meter is arranged at the discharge end of the acid liquor pressure stabilizing tank, and the flow meter is connected with a first feed inlet of the mixing tank through a pipeline; the alkali liquor storage tank is connected with the alkali liquor preparation tank through a pipeline, the alkali liquor preparation tank is connected with the alkali liquor transfer tank through a pipeline, the alkali liquor transfer tank is connected with the alkali liquor pressure stabilizing tank through a pipeline, the discharge end of the alkali liquor pressure stabilizing tank is provided with a flowmeter, the flowmeter is connected with a second feed inlet of the mixing tank through a pipeline, the discharge outlet of the mixing tank is arranged at the feed end of the polymerization reaction belt, the acid storage tank is used for storing acrylic acid, the acid liquor preparation tank is used for accurately mixing the acid with 2 small materials and distilled water in proportion through a pipeline, the acid liquor transfer tank is used for continuously feeding the prepared acid liquor into the acid liquor pressure stabilizing tank, the weight display is arranged on the tank, the material in the acid liquor transfer tank is controlled to be not lower than the lowest liquid level and higher than the highest liquid level, the acid liquor pressure stabilizing tank ensures continuous and stable feeding of the acid liquor into the mixing tank, and the liquid level in the acid liquor surge tank is stable, guarantee to get into the flow stability of mixing tank through the flowmeter, the flowmeter guarantees that the acid liquor flow is stable, the alkali storage tank is used for storing the alkali night, the alkali liquor is prepared the jar and is used for mixing alkali and 2 kinds of small powder and distilled water according to proportion accuracy through the pipeline, the alkali liquor transfer tank is used for preparing the alkali liquor and gets into the alkali liquor surge tank in succession, and there is weight display on the jar, and the material in the control alkali liquor transfer tank can not be less than minimum liquid level, be higher than the highest liquid level, the alkali liquor surge tank guarantees that the alkali liquor is stable in succession and flows into the mixing tank, and the liquid level is stable in the alkali liquor surge tank, guarantee to get into the flow stability of mixing tank through the flowmeter, the flowmeter guarantees that the alkali liquor flow is stable, the mixing tank mixes acidizing fluid and alkali liquor evenly.
The mixing tank comprises a machine body 33, a first feeding port 31 and a second feeding port 32 are arranged above the left end of the machine body 33, a plurality of pairs of guide plates 35 are arranged on two sides in the machine body 33, a discharging port 34 is arranged on the right end of the machine body 33, acid liquor and alkali liquor enter the mixing tank through the first feeding port 31 and the second feeding port 32 and flow continuously to the discharging port 34, and the mixed solution is mixed by the guide plates 35 in a convection mode continuously, so that the mixing is more uniform.
The left end of the frame is provided with an anti-overflow roller 12, the anti-overflow roller 12 is connected with the support frame 20 through the upper bracket 11, and as the belt continuously runs from left to right, the solution is gathered towards the middle by the roller, so long as the solution leading-in speed and the belt running speed are controlled, the solution can not flow out from the left end generally, but in order to prevent possible leakage accidents, the left side height is raised by arranging the anti-overflow roller 12 at the left end of the frame, and the situation can be avoided.
The cleaning device comprises a cleaning roller 14, the cleaning roller 14 is positioned below a supporting frame 20 and is connected with the supporting frame 20 through a bracket, the cleaning roller 14 is connected with a motor through a belt or a transmission gear, a collecting box 19 is arranged below the cleaning roller 14, and the cleaning roller 14 can effectively clean up agglomerations adhered on the belt and collect the agglomerations through the collecting box 19 for other treatment.
The two sides of the frame are provided with trays for collecting the acid-base mixed solution scattered from the belt.
The gas collecting hood is arranged above the frame and is connected with the waste gas treatment device through a pipeline, the gas collecting hood is arranged above the frame, the irritant gas generated by polymerization reaction is collected, the working environment is improved, and the gas is treated by the waste gas treatment device to protect the environment.
The use method comprises the steps of starting a polymerization reaction belt, starting a mixing device after the polymerization reaction belt reaches a certain rotating speed, continuously and stably feeding an acid-base solution into a mixing tank through a pressure stabilizing tank, and polymerizing, cooling and condensing the mixed solution on a belt of the polymerization reaction belt.
The negative pressure transportation pipeline comprises a moistureproof transportation device and a negative pressure transportation machine, the moistureproof transportation device comprises a machine body 71 and a heating pipeline, the heating channel is positioned in the machine body 71, the heating channel is sequentially provided with an air inlet 72, an air quantity adjusting device 73, an air quantity sensor 74, a heating device 75 and an air outlet 76 from left to right, an operation panel 71 and a humidity sensor 84 are arranged on the outer side of the machine body 71, a processor, a display module 78 and an adjusting switch 79 are arranged on the operation panel 77, the air outlet 76 is connected with the negative pressure transportation pipeline through a pipeline, and the negative pressure transportation machine is arranged on the negative pressure transportation pipeline. The left side of the transportation pipeline is provided with a feeding end 80, the feeding end 80 is provided with an air pressure sensor 81, the right end of the transportation pipeline is provided with a discharging end 83, the discharging end 83 is provided with a temperature sensor 82, the air volume sensor 74, the air pressure sensor 81, the humidity sensor 84 and the temperature sensor 82 are respectively connected with a processor, the processor is connected with a display module 78 and an adjusting switch 79, the adjusting switch 79 is connected with an air volume adjusting device 73 and a heating device 75, and the air volume is adjusted through the air volume adjusting device 73, so that the air pressure in the negative pressure transportation pipeline is kept at a negative pressure without influencing transportation; the air is heated by the heating device 75 to prevent the absorbent resin particles from absorbing water and being wet, and prevent the particles from adhering to and blocking the transportation pipeline after absorbing water; since the air pressure in the transportation pipeline is far smaller than the outside space, air naturally flows into the transportation pipeline from the air inlet 72, the air quantity is regulated by the air quantity regulating device 73, the air quantity information is transmitted to the processor by the air quantity sensor 74, the air is heated by the heating device 75, the air enters the transportation pipeline from the air outlet 76 through the pipeline, the outside air humidity information is transmitted to the processor by the humidity sensor 84, the air pressure information of the feeding end 80 is transmitted to the processor by the air pressure sensor 81, the air temperature information of the discharging end 83 is transmitted to the processor by the temperature sensor 82, the collected sensor information is transmitted to the display module 78 by the processor, the air quantity regulating device 73 and the heating device 75 are regulated by the regulating switch 79 according to the process requirements, the system is enabled to stably and normally operate, the air quantity is reduced by the air quantity regulating device 73 when the air pressure of the feeding end 80 is too high, the temperature is regulated by the heating device 75 when the temperature of the discharging end 83 is too low, and the temperature of the heating device 75 can be regulated by the outside humidity too high.
The air inlet 72 is provided with a water absorbing device, the water absorbing device can absorb small water drops in the air entering the air inlet 72, so that the air humidity in the transportation pipeline is reduced, water absorption and moisture absorption are avoided, and particles are prevented from adhering to and blocking the transportation pipeline after water absorption.
The air inlet 72 is provided with a dust-proof device, and air is filtered by the dust-proof device, so that pollutants such as dust in the air are prevented from entering the transportation pipeline and being mixed with the super absorbent resin particles to influence the product quality.
The air outlet 76 is provided with a separation device, and the separation device prevents the super absorbent resin particles in the transportation channel from entering the heating channel due to air turbulence or other reasons, so as to damage electronic elements in the heating channel and affect the product quality.
The moisture-proof screening device comprises a moisture-proof device and a screening device, wherein one side of the screening device is provided with the moisture-proof device, the moisture-proof device is connected with an air inlet 42 of the screening device through a pipeline, the pipeline is an elastic pipeline, the screening device comprises a box 48, a plurality of layers of screens 50 are arranged in the box 48, the upper part of the box 48 is connected with an elastic box cover, a rotary drum 45 is arranged in the middle of the elastic box cover 44, the box cover 44 is in sliding connection with the rotary drum 45 through balls, the lower part of the rotary drum 45 is connected with a dispersing head 43, the upper part of the rotary drum 45 is connected with a feeding drum 46, the rotary drum 45 is connected with a motor 47 on one side through a belt, discharge pipes 49 are arranged above and below the screens 50, two adjacent discharge pipes are oppositely arranged, an air inlet is arranged on a box on the opposite side of each discharge pipe, a vibration device is arranged below the box 48, the dampproof device is formed by heating air to change small water drops in the air into water vapor, so that the water in the super absorbent resin particles can not be absorbed, the high temperature air can evaporate the water in the super absorbent resin particles, the dampproof device is connected with the screening device through a pipeline, hot air is filled into the box 48, a plurality of layers of screens 50 are arranged in the box 48, the screens 50 classify and screen the super absorbent resin particles according to requirements, the upper part of the box 48 is connected with the elastic box cover 44, the elastic box cover 44 can keep the upper part immovably and stretch out and draw back in the middle when the box 48 vibrates up and down, good sealing performance is kept, the rotating cylinder 45 is connected with a motor 47 on one side through a belt, the motor 47 drives the rotating cylinder 45 to rotate, the rotating cylinder 45 drives the dispersing heads 43 to uniformly disperse the super absorbent resin particles on the screens 50, discharge pipes 49 are arranged above and below the screens 50, negative pressure is arranged in the discharge pipes 49, the filtered resin particles are sucked out, the vibration device is arranged below the box 48, the box 48 is vibrated up and down by the vibration device, the super absorbent resin particles vibrate and are screened by the screen 50, the super absorbent resin particles are prevented from swelling and agglomerating due to water absorption by the moisture-proof device, the screening net is blocked, the super absorbent resin particles are uniformly scattered on the screen 50 by the dispersing heads 43, the resin particles are prevented from being concentrated, the screening net is blocked, and the production efficiency is improved.
The vibration device comprises a base 54, a hydraulic cylinder 55 is arranged in the base 54, a supporting plate 53 is arranged above the base 54, an ejection mechanism of the hydraulic cylinder 55 is connected with the supporting plate 53, a plurality of elastic pieces 52 are arranged on the upper portion of the supporting plate 53, the supporting plate 53 is connected with the elastic pieces 52 through connecting pieces 51, the upper ends of the elastic pieces 52 are connected with the bottom of the box 48 through the connecting pieces 51, the ejection mechanism of the hydraulic cylinder 55 is connected with the supporting plate 53, the supporting plate 53 is controlled to vibrate up and down, the supporting plate 53 is connected with the elastic pieces 52 through the connecting pieces 51, the upper ends of the elastic pieces 52 are connected with the bottom of the box 48 through the connecting pieces 51, the impact of the vibration inertia of the box 48 on the hydraulic cylinder 55 is reduced, when the ejection mechanism of the hydraulic cylinder 55 stretches up and down, the hydraulic cylinder 55 is rigidly connected with the box 48, the inertia is large when the box 48 moves up and down due to the heavy weight of the box 48, the large inertia force is generated when the ejection mechanism moves up and down, the vertex box 48 generates large inertia force on the hydraulic cylinder 55, when the supporting plate 53 and the box 48 are connected through the elastic pieces 52, the buffering effect is achieved in the middle, and the service life of the hydraulic cylinder 55 is prolonged.
The moistureproof device comprises a case 60, a hot air blower 63 is arranged in the case 60, an air inlet 56 is arranged on one side of the case 60, an air outlet 59 is arranged on the other side of the case 60, the hot air blower 63 is connected with the air inlet 56 through a pipeline, the hot air blower 63 is connected with the air outlet 59 through a pipeline, a humidity sensor 58 is arranged on one side of the case 60, a controller 57 is arranged on the outer side of the case 60, a PLC (programmable logic controller) controller is arranged in the controller, the hot air blower 63 and the humidity sensor 58 are electrically connected with the controller 57, a display 61 and a control knob 62 are arranged on the controller 57, the hot air blower 63 and the humidity sensor 58 are electrically connected with the controller 57, the humidity sensor 58 transmits the air humidity outside the case 60 to the controller 57, the current humidity is displayed on the display 61, a worker can adjust the heating temperature of the hot air blower 63 through the control knob 62 according to the process requirements, the moistureproof device can adjust the heating temperature according to the air humidity, the moisture content of high water absorbent resin particles is convenient to control, and the water absorbent resin is better dried to prevent the water absorbent resin from expanding.
The elastic member 52 is a spring.
The screen 50 is provided with filter holes, the diameters of the filter holes are sequentially reduced from top to bottom, the filter holes are classified according to the diameters of the resin particles, large particles are left at the upper part, small particles are screened to the lower part, as the process requirements of the large particles and the minimum particles are not met with the production requirements, the large particles are required to be crushed again, the small particles are applied to other fields, the screen 50 is not necessarily classified according to the diameters of the particles, and the filter holes are also required to be classified according to the shapes.
The foregoing is merely illustrative and explanatory of the invention, as it is well within the scope of the invention as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the invention as defined in the accompanying claims.
Claims (9)
1. The automatic production equipment for the absorbent resin is characterized by comprising a mixing device, a polymerization reaction belt, a primary granulator, a dryer, a secondary granulator, a grinding machine and a moistureproof screening device; the discharge port of the mixing device is arranged at the feed end of the polymerization reaction belt, the discharge end of the polymerization reaction belt is connected with the feed end of a primary granulator, the discharge port of the primary granulator is connected with the feed port of a dryer, the discharge port of the dryer is connected with the feed end of a secondary granulator, the discharge port of the secondary granulator is connected with the feed port of an abrasive grain machine through a negative pressure conveying pipeline, the discharge port of the abrasive grain machine is connected with a dampproof screening device through a negative pressure conveying pipeline, the polymerization reaction belt comprises a belt, a frame, a driving roller, a redirecting roller, a bearing roller, a return carrier roller and a cleaning device, the frame comprises supporting legs and a supporting frame, the supporting legs are connected with the bottom of the supporting frame, the support frame is provided with a plurality of bearing rollers, the bearing rollers are connected with the support frame through sliding pieces, the right end of the support frame is provided with a driving roller, the driving roller is connected with the support frame through a connecting shaft, the upper portions of support legs are provided with return carrier rollers, the driving roller is connected with a motor through belts or transmission teeth, the left side of the support frame is provided with a plurality of upper brackets, the heights of the upper brackets are sequentially reduced from left to right, the upper brackets are provided with direction-changing rollers, the direction-changing rollers incline 15-60 degrees with the horizontal direction, the belt upper portions are arranged on the direction-changing rollers, the upper portions of the direction-changing rollers bypass the driving roller, the lower portions of the belt upper portions are arranged on the upper portions of the return rollers, and the lower portions of the right sides of the support frame are provided with cleaning devices.
2. The automatic production equipment for the absorbent resin according to claim 1, wherein the mixing device comprises an acid storage tank and an alkali liquor storage tank, the acid storage tank is connected with an acid liquor preparation tank through a pipeline, the acid liquor preparation tank is connected with an acid liquor transfer tank through a pipeline, the acid liquor transfer tank is connected with an acid liquor pressure stabilizing tank through a pipeline, a flow meter is arranged at the discharge end of the acid liquor pressure stabilizing tank, and the flow meter is connected with a first feed inlet of the mixing tank through a pipeline; the alkali liquor storage tank is connected with the alkali liquor preparation tank through a pipeline, the alkali liquor preparation tank is connected with the alkali liquor transfer tank through a pipeline, the alkali liquor transfer tank is connected with the alkali liquor pressure stabilizing tank through a pipeline, a flow meter is arranged at the discharge end of the alkali liquor pressure stabilizing tank, the flow meter is connected with the second feed inlet of the mixing tank through a pipeline, and the discharge port of the mixing tank is arranged at the feed end of the polymerization reaction zone.
3. The automatic production equipment for the absorbent resin according to claim 2, wherein the mixing tank comprises a machine body, a first feeding hole and a second feeding hole are formed above the left end of the machine body, a plurality of pairs of guide plates are arranged on two sides in the machine body, and a discharging hole is formed in the right end of the machine body.
4. The automatic production equipment for the absorbent resin according to claim 1, wherein the negative pressure transportation pipeline comprises a moisture-proof transportation device and a negative pressure transportation machine, the moisture-proof transportation device comprises a machine body and a heating pipeline, the heating channel is positioned in the machine body, the heating channel is sequentially provided with an air inlet, an air volume adjusting device, an air volume sensor, a heating device and an air outlet from left to right, an operation panel and a humidity sensor are arranged on the outer side of the machine body, the operation panel is provided with a processor, a display module and an adjusting switch, the air outlet is connected with the negative pressure transportation pipeline through a pipeline, the left side of the negative pressure transportation pipeline is provided with a feeding end, the feeding end is provided with an air pressure sensor, the right end of the negative pressure transportation pipeline is provided with a discharging end, the discharging end is provided with a temperature sensor, the air volume sensor, the air pressure sensor, the humidity sensor and the temperature sensor are respectively connected with the processor, the processor is connected with the display module and the adjusting switch, the adjusting switch is connected with the air volume adjusting device and the heating device, and the negative pressure transportation pipeline is provided with the negative pressure transportation pipeline.
5. The automatic production equipment for absorbent resin according to claim 1, wherein the moisture-proof screening device comprises a moisture-proof device and a screening device, one side of the screening device is provided with the moisture-proof device, the moisture-proof device is connected with an air inlet of the screening device through a pipeline, the screening device comprises a box body, a plurality of layers of screens are arranged in the box body, the upper part of the box body is connected with an elastic box cover, a rotary drum is arranged in the middle of the elastic box cover, the box cover is in sliding connection with the rotary drum through balls, the lower part of the rotary drum is connected with a dispersing head, the upper part of the rotary drum is connected with a feeding drum, the rotary drum is connected with a motor on one side through a belt, a discharging pipe is arranged above and below the screens, two adjacent discharging pipes are oppositely arranged, an air inlet is arranged on the opposite side of each discharging pipe, and a vibrating device is arranged below the box body.
6. The automatic production equipment for absorbing resin according to claim 5, wherein the vibration device comprises a base, a hydraulic cylinder is arranged in the base, a supporting plate is arranged above the base, an ejection mechanism of the hydraulic cylinder is connected with the supporting plate, a plurality of elastic pieces are arranged on the upper portion of the supporting plate, the supporting plate is connected with the elastic pieces through connecting pieces, and the upper ends of the elastic pieces are connected with the bottom of the box through the connecting pieces.
7. The automatic production equipment for absorbent resin according to claim 5, wherein the moisture-proof device comprises a case, a drum air heater is arranged in the case, an air inlet is arranged on one side of the case, an air outlet is arranged on the other side of the case, the air outlet is connected with an air inlet of the screening device through a pipeline, the drum air heater is connected with the air inlet through a pipeline, the drum air heater is connected with the air outlet through a pipeline, a humidity sensor is arranged on one side of the case, a controller is arranged on the outer side of the case, the drum air heater and the humidity sensor are electrically connected with the controller, and a display and a control knob are arranged on the controller.
8. The method for using the automatic production equipment of the absorption resin is characterized in that acrylic acid, alkali liquor and other auxiliary materials which are raw materials for producing the absorption resin are uniformly mixed through a mixing device, the mixed solution is continuously and stably introduced into a polymerization reaction belt for polymerization and condensation, the polymerization reaction belt continuously runs, the polymerized material is in a flake shape, a sheet semi-finished product is cut into granules through a primary granulator, the granular material is dried through a dryer, the dried material is further cut and crushed through a secondary granulator, the crushed granules are conveyed to a grinding machine through a negative pressure conveying pipeline to be crushed into fine granules, then conveyed to a screening device through a negative pressure conveying pipeline to screen the granules according to the size, the screened granules with overlarge grain size are conveyed to the grinding machine through the negative pressure conveying pipeline to be crushed again, and the granules with overlarge grain size are subjected to other treatments.
9. The method according to claim 8, wherein the polymerization belt is started, the mixing device is started after the polymerization belt reaches a certain rotation speed, the acid-base solution continuously and stably enters the mixing tank through the pressure stabilizing tank, and the mixed solution is polymerized, cooled and coagulated on the belt of the polymerization belt.
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|---|---|---|---|---|
| CN101050244A (en) * | 2006-04-07 | 2007-10-10 | 张超 | Method for producing high absorption resin, and polymerization reactor |
| CN104493999A (en) * | 2014-11-25 | 2015-04-08 | 凯姆勒吸水材料（天津）有限公司 | Energy-saving consumption-reduction water-absorbent resin particle production system |
| CN104494001A (en) * | 2014-11-25 | 2015-04-08 | 凯姆勒吸水材料（天津）有限公司 | Continuous production system of high-hydroscopicity resin particles |
| CN104497321A (en) * | 2014-11-25 | 2015-04-08 | 凯姆勒吸水材料（天津）有限公司 | Efficient production system for water-adsorbing resin particle |
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2019
- 2019-04-24 CN CN201910331558.0A patent/CN110003368B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050244A (en) * | 2006-04-07 | 2007-10-10 | 张超 | Method for producing high absorption resin, and polymerization reactor |
| CN104493999A (en) * | 2014-11-25 | 2015-04-08 | 凯姆勒吸水材料（天津）有限公司 | Energy-saving consumption-reduction water-absorbent resin particle production system |
| CN104494001A (en) * | 2014-11-25 | 2015-04-08 | 凯姆勒吸水材料（天津）有限公司 | Continuous production system of high-hydroscopicity resin particles |
| CN104497321A (en) * | 2014-11-25 | 2015-04-08 | 凯姆勒吸水材料（天津）有限公司 | Efficient production system for water-adsorbing resin particle |
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