CN112297292A - Pigment impurity removal device for recycling polypropylene fibers and use method thereof - Google Patents
Pigment impurity removal device for recycling polypropylene fibers and use method thereof Download PDFInfo
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- CN112297292A CN112297292A CN202011142836.7A CN202011142836A CN112297292A CN 112297292 A CN112297292 A CN 112297292A CN 202011142836 A CN202011142836 A CN 202011142836A CN 112297292 A CN112297292 A CN 112297292A
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- heat conduction
- side wall
- storehouse
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B2017/001—Pretreating the materials before recovery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0217—Mechanical separating techniques; devices therefor
- B29B2017/0224—Screens, sieves
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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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- Environmental & Geological Engineering (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention belongs to the technical field of polypropylene fiber processing, in particular to a pigment impurity removal device for recovering polypropylene fiber and a using method thereof, the pigment impurity removal device comprises a reaction kettle, the left side wall and the right side wall of the reaction kettle are both communicated and provided with a heating and stirring device, the reaction kettle is internally provided with a molten pool and a precipitation and filtration bin, the bottom of the molten pool is provided with a discharge port and is fixedly connected with a first electric control valve, the bottom of the precipitation and filtration bin is provided with a discharge port and is fixedly connected with a second electric control valve, the upper part of an inner cavity of the reaction kettle is provided with a preheating and crushing device, the outer side wall of the bottom of the reaction kettle is wrapped and provided with an anti-solidification heating device, the bottom of the reaction kettle is welded with a supporting footing, the supporting footing penetrates through the anti-solidification heating device and is welded with the bottom of the reaction kettle, the heating and stirring effect is good, and the efficiency is high.
Description
Technical Field
The invention belongs to the technical field of polypropylene fiber processing, and particularly relates to a pigment impurity removal device for recycling polypropylene fibers and a use method thereof.
Background
The polypropylene fiber is synthetic fiber spun by taking isotactic polypropylene obtained by propylene polymerization as a raw material, the polypropylene fiber is in the trade name of China, in the recovery work of the polypropylene fiber, the polypropylene fiber needs to be subjected to melting separation, the pigment in the polypropylene fiber is removed, in the pigment impurity removal process of the polypropylene fiber, a reaction kettle needs to be utilized to carry out high-temperature melting heating on the polypropylene fiber, the heating temperature needs to be strictly controlled, but the heating effect of the conventional device is unsatisfactory, uneven temperature distribution is easily caused due to heating, the temperature is too high and too low, the pigment impurity removal effect is influenced, the efficiency of simultaneous heating and stirring is not high, and the improvement is needed.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a pigment impurity removal device for recycling polypropylene fibers and a use method thereof.
In order to achieve the purpose, the invention provides the following technical scheme: the pigment impurity removing device comprises a reaction kettle, wherein the left side wall and the right side wall of the reaction kettle are both communicated and provided with a heating stirring device, a molten pool and a precipitation filtering bin are arranged inside the reaction kettle, the bottom of the molten pool is provided with a discharge port and is fixedly connected with a first electric control valve, the bottom of the precipitation filtering bin is provided with a discharge port and is fixedly connected with a second electric control valve, the upper part of an inner cavity of the reaction kettle is provided with a preheating and crushing device, the outer side wall of the bottom of the reaction kettle is coated and provided with an anti-solidification heating device, the bottom of the reaction kettle is welded with supporting bottom feet, the supporting bottom feet penetrate through the anti-solidification heating device and are welded with the bottom of the reaction kettle, and the reaction kettle is provided with.
Preferably, the heating and stirring device comprises a left mounting and fixing device, a right mounting and fixing device and a ceramic heat-conducting oil pipe.
Preferably, the left mounting and fixing device comprises a first sealing cover, the first sealing cover is mounted on the left side wall of the reaction kettle, the left side wall of the first sealing cover is communicated and connected with a heat conduction oil output pipe, the left end of the heat conduction oil output pipe is fixedly connected with a first oil temperature monitoring device through a flange plate, the left end of the first oil temperature monitoring device is fixedly connected with a first electronic flow meter through a flange plate, an oil temperature sensor is arranged on the first oil temperature monitoring device and used for monitoring the temperature of input heat conduction oil, the first electronic flow meter is used for monitoring the flow rate and the flow rate of the input heat conduction oil, the left end of the first electronic flow meter is fixedly connected with an oil pipeline through a flange plate, a first mounting plate surface is clamped in an inner cavity of the first sealing cover through a sealing bearing, and a plurality of heat conduction oil pipe mounting holes are communicated on the first mounting plate surface, the left side wall of the first mounting plate surface is fixed with an output shaft of the first driving gear set, an input shaft of the first driving gear set penetrates out of the left side wall of the first sealing cover and is fixedly connected with an output shaft of the first servo motor, and the first servo motor is mounted on the first motor mounting frame.
Preferably, the right mounting and fixing device comprises a second sealing cover, the second sealing cover is mounted on the right side wall of the reaction kettle, the right side wall of the second sealing cover is communicated and connected with a heat conduction oil input pipe, the right end of the heat conduction oil input pipe is fixedly connected with a second oil temperature monitoring device through a flange plate, the right end of the second oil temperature monitoring device is fixedly connected with a second electronic flowmeter through a flange plate, the right end of the second electronic flowmeter is fixedly connected with an oil pipeline through a flange plate, an oil temperature sensor is arranged on the second oil temperature monitoring device and used for monitoring the temperature of the output heat conduction oil, the second electronic flowmeter is used for monitoring the flow rate and the flow rate of the output heat conduction oil, a second mounting disk surface is clamped in an inner cavity of the second sealing cover through a sealing bearing, and a plurality of heat conduction oil pipe mounting holes are communicated on the second mounting disk surface, the right side wall of the second mounting disc surface is fixed with an output shaft of the second driving gear set, an input shaft of the second driving gear set penetrates out of the right side wall of the second closed cover and is fixedly connected with an output shaft of a second servo motor, and the second servo motor is mounted on the second motor mounting frame.
Preferably, two ends of the ceramic heat conduction oil pipe are respectively fixed with the heat conduction oil pipe mounting hole on the first mounting plate surface and the heat conduction oil pipe mounting hole on the second mounting plate surface.
Preferably, the shape of molten bath is cylindrical, the cladding is in heating agitating unit is located the inside partial outside of reation kettle, the top of molten bath is link up there is the feed inlet and is equipped with the feeder hopper, the inside of molten bath still is equipped with a temperature sensor, preheats the polypropylene fiber material of smashing in the storehouse and passes through the feeder hopper and get into the molten bath, and the molten bath heats the place of melting as polypropylene fiber material, with the cooperation of heating agitating unit, heats and melts polypropylene fiber material.
Preferably, the inner side wall fixed mounting who deposits the filter bin has the pigment screen cloth, the inside that deposits the filter bin still is equipped with second temperature sensor, and the pigment screen cloth adopts the stainless steel to make for block pigment particle, make pigment particle and polypropylene melt separation, second temperature sensor is arranged in monitoring and deposits the melt temperature that filters in the bin.
Preferably, preheat the reducing mechanism and smash the storehouse including preheating, it sets up to preheat the crushing storehouse reation kettle's inner chamber upper portion, reation kettle's top is installed and is smashed agitator motor, the output shaft of smashing agitator motor passes through shaft coupling and (mixing) shaft fixed connection, the (mixing) shaft penetrates preheat the inside of smashing the storehouse, the outer wall welding of (mixing) shaft has crushing blade, preheat the bottom of smashing the storehouse and be equipped with the discharge port and be connected with third electrically controlled valve, preheat the bottom plate internally mounted who smashes the storehouse and have first hot plate, preheat the left side wall that smashes the storehouse and outwards link up and be connected with the filling opening, preheat the inside of smashing the storehouse and still be equipped with third temperature sensor, will wait to melt the polypropylene fiber material that the stirring carried out edulcoration recovery and pour into through the filling opening and preheat and smash the storehouse in, smash agitator motor operation drive (mixing) shaft and smash the blade and carry High-speed stirring utilizes high-speed rotatory crushing blade to smash the polypropylene fiber material, and the polypropylene fiber material that the storehouse was smashed to preheating of the first hot plate of while control preheats, and this work flow can go on when heating agitating unit heats the stirring to the polypropylene fiber material in the molten bath, promotes the work efficiency of this device.
Preferably, the anti-solidification heating device comprises a ceramic coating layer, and a second heating plate is embedded in an inner cavity of the ceramic coating layer; the ceramic coating can play certain heat preservation effect, and the second hot plate then is used for heating the sediment filtration storehouse, through the setting of ceramic coating and second hot plate, can prevent to deposit the polypropylene melt that filters in the storehouse and take place to solidify because of the temperature reduction in the sediment process.
Preferably, the control device is provided with a control keyboard and a display screen, and a programmable PLC controller is arranged inside the control device; the control device is operated by the control keyboard, displays data information and an operation interface through the display screen, and runs programs through the programmable PLC.
Compared with the prior art, the invention has the beneficial effects that:
the device is provided with a heating and stirring device, a first servo motor and a second servo motor are controlled by a control device to drive a first installation plate surface and a second installation plate surface to rotate through a first driving gear set and a second driving gear set respectively, meanwhile, high-temperature heat conduction oil with the temperature of DEG C enters a space between a first closed cover and the first installation plate surface through a heat conduction oil input pipe and flows into a ceramic heat conduction oil pipe, and further flows out to a space between a second closed cover and the second installation plate surface and flows out through a heat conduction oil output pipe, so that the high-temperature heat conduction oil can circulate in the heating and stirring device, the rotation of the first installation plate surface and the second installation plate surface drives the ceramic heat conduction oil pipe to rotate, the ceramic heat conduction oil pipe stirs polypropylene fiber materials falling into a molten pool along with the rotation of the first installation plate surface and the second installation plate surface and simultaneously utilizes the high-temperature heat conduction oil circulating inside the ceramic heat conduction oil pipe to uniformly heat and melt the polypropylene, the ceramic heat conducting oil pipe is distributed in a fan shape, so that the resistance force applied during stirring can be reduced, the heating and stirring device is used for stirring, heating and melting the polypropylene fiber in the molten pool, the polypropylene fiber material is continuously added into the preheating and crushing bin through the injection port and is stirred, crushed and preheated, the first electric control valve is opened, the molten polypropylene solution after melting can be discharged into the precipitation and filtration bin through the discharge port at the bottom of the molten pool, the first electric control valve can be closed by discharging half of the molten polypropylene solution in the molten pool, the third electric control valve is opened at the same time, a certain amount of polypropylene fiber material in the preheating and crushing bin is discharged into the molten pool, as half of the molten high-temperature polypropylene solution after melting is reserved in the molten pool, the heat conduction efficiency of the newly fallen polypropylene fiber material can be greatly increased by matching with the stirring and heating of the ceramic heat conducting oil pipe, so that the melting speed of the newly fallen polypropylene, in conclusion, the device can uniformly heat the polypropylene fiber material in the molten pool, thereby enabling the temperature control to be easier, and having good heating and stirring effects and high efficiency.
Through preheating the setting of reducing mechanism, to wait to melt the polypropylene fiber material that the stirring carried out the edulcoration and retrieved and pour into through the filling opening and preheat and smash the storehouse in, smash the polypropylene fiber material that the agitator motor operation drove the (mixing) shaft and smash the blade to the filling and go on high-speed stirring to the polypropylene fiber material that goes into preheating and smash the storehouse through controlling means control, utilize high-speed rotatory crushing blade to smash the polypropylene fiber material, the polypropylene fiber material that the first hot plate of while control in to preheating smashes the storehouse preheats, make the polypropylene fiber material that falls into in the molten bath stir more easily and add the thermal melting, and this workflow can go on when heating the polypropylene fiber material of agitating unit in to the molten bath and heating the stirring, promote the work efficiency of this device, promote.
The device is provided with a precipitation filter bin and a pigment screen, polypropylene solution flowing into the precipitation filter bin can be kept stand through the precipitation filter bin for precipitation separation, pigment particles float on the upper layer of the solution, a ceramic coating layer can play a certain heat preservation role, a second heating plate is used for heating the precipitation filter bin, and through the arrangement of the ceramic coating layer and the second heating plate, can prevent the polypropylene solution in the precipitation filter bin from solidifying due to temperature reduction in the precipitation process, after the precipitation separation is carried out for a certain time, the second electric control valve is opened, the polypropylene melt in the precipitation filter bin is discharged to a recovery device, in the discharging process, the pigment screen is used for blocking and screening pigment particles in the polypropylene melt in the precipitation and filtration bin, so that pigment particles are left above the pigment screen, and pigment impurity removal with good effect can be carried out on the polypropylene melt.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is a schematic cross-sectional axial view of the present invention;
FIG. 3 is a schematic right sectional view of the present invention;
FIG. 4 is a schematic axial view of the heating and stirring apparatus of the present invention;
FIG. 5 is a front sectional view of the stirring device of the present invention.
In the figure: 100. a reaction kettle; 200. a heating and stirring device; 210. a fixing device is arranged on the left side; 211. a first enclosure; 212. a heat conducting oil output pipe; 213. a first oil temperature monitoring device; 214. a first electronic flow meter; 215. a first mounting plate surface; 216. a first drive gear set; 217. a first servo motor; 218. a first motor mount; 220. a fixing device is arranged on the right side; 221. a second enclosure; 222. a heat conducting oil input pipe; 223. a second oil temperature monitoring device; 224. a second electronic flow meter; 225. a second mounting plate surface; 226. a second drive gear set; 227. a second servo motor; 228. a second motor mount; 230. a ceramic heat conducting oil pipe; 300. a molten pool; 310. a feed hopper; 320. a first temperature sensor; 400 a sediment filtration bin; 410. a pigment screen; 420. a second temperature sensor; 510. a first electrically controlled valve; 520. a second electrically controlled valve; 530. a third electrically controlled valve; 600. preheating a crushing device; 610. preheating a crushing bin; 620. a crushing and stirring motor; 630. a stirring shaft; 631. a crushing blade; 640. a first heating plate; 650. an injection port; 660. a third temperature sensor; 700. an anti-solidification heating device; 710. a ceramic coating layer; 720. a second heating plate; 800. supporting feet; 900. and a control device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, the present invention provides the following technical solutions: the pigment impurity removing device for recycling the polypropylene fibers and the using method thereof comprise a reaction kettle 100, wherein the left side wall and the right side wall of the reaction kettle 100 are both communicated and provided with a heating and stirring device 200, a molten pool 300 and a precipitation filtering bin 400 are arranged inside the reaction kettle 100, the bottom of the molten pool 300 is provided with a discharge port and is fixedly connected with a first electric control valve 510, the bottom of the precipitation filtering bin 400 is provided with a discharge port and is fixedly connected with a second electric control valve 520, a preheating and crushing device 600 is arranged at the upper part of an inner cavity of the reaction kettle 100, an anti-solidification heating device 700 is arranged on the outer side wall of the bottom of the reaction kettle 100 in a wrapping mode, a supporting foot 800 is welded at the bottom of the reaction kettle 100, and a control device.
In this embodiment: the utility model provides a retrieve polypropylene fiber's pigment edulcoration device and application method, including reation kettle 100, reation kettle 100's the left and right sides lateral wall all link up and install heating agitating unit 200, reation kettle 100's inside is equipped with molten bath 300 and deposits and filter storehouse 400, the bottom of molten bath 300 is equipped with the discharge port and with first automatically controlled valve 510 fixed connection, the bottom of depositing and filtering storehouse 400 is equipped with the discharge port and with second automatically controlled valve 520 fixed connection, reation kettle 100's inner chamber upper portion is equipped with preheating and smashing device 600, reation kettle 100's bottom lateral wall cladding is installed and is prevented solidifying heating device 700, reation kettle 100's bottom welding has support footing 800, support footing 800 runs through the bottom welding of preventing solidifying heating device 700 with reation kettle 100, reation kettle 100 is last to be equipped with controlling means 900.
Specifically, the heating and stirring device 200 includes a left mounting fixture 210, a right mounting fixture 220, and a ceramic heat-conducting oil pipe 230.
Specifically, the left mounting and fixing device 210 includes a first sealing cover 211, the first sealing cover 211 is mounted on the left side wall of the reaction kettle 100, the left side wall of the first sealing cover 211 is connected to a heat transfer oil output pipe 212 in a penetrating manner, the left end of the heat transfer oil output pipe 212 is fixedly connected to a first oil temperature monitoring device 213 through a flange, the left end of the first oil temperature monitoring device 213 is fixedly connected to a first electronic flow meter 214 through a flange, an oil temperature sensor is disposed on the first oil temperature monitoring device 213 and used for monitoring the temperature of the input heat transfer oil, the first electronic flow meter 214 is used for monitoring the flow rate and the circulation of the input heat transfer oil, the left end of the first electronic flow meter 214 is fixedly connected to an oil pipeline through a flange, a first mounting plate surface 215 is clamped in an inner cavity of the first sealing cover 211 through a sealing bearing, a plurality of heat transfer oil pipe mounting holes are arranged, the left side wall of the first mounting plate surface 215 is fixed with an output shaft of the first driving gear set 216, an input shaft of the first driving gear set 216 penetrates out of the left side wall of the first sealing cover 211 and is fixedly connected with an output shaft of a first servo motor 217, and the first servo motor 217 is mounted on a first motor mounting frame 218.
Specifically, the right mounting and fixing device 220 includes a second sealing cover 221, the second sealing cover 221 is mounted on the right side wall of the reaction kettle 100, the right side wall of the second sealing cover 221 is through and connected with a heat conduction oil input pipe 222, the right end of the heat conduction oil input pipe 222 is fixedly connected with a second oil temperature monitoring device 223 through a flange, the right end of the second oil temperature monitoring device 223 is fixedly connected with a second electronic flow meter 224 through a flange, the right end of the second electronic flow meter 224 is fixedly connected with an oil pipeline through a flange, an oil temperature sensor is arranged on the second oil temperature monitoring device 223 for monitoring the temperature of the output heat conduction oil, the second electronic flow meter 224 is used for monitoring the flow rate and the flow rate of the output heat conduction oil, a second mounting tray surface 225 is clamped in an inner cavity of the second sealing cover 221 through a sealing bearing, a plurality of heat conduction oil pipe mounting holes are through the second tray, the right side wall of the second mounting plate surface 225 is fixed with the output shaft of the second driving gear set 226, the input shaft of the second driving gear set 226 penetrates out of the right side wall of the second enclosure cover 221 and is fixedly connected with the output shaft of the second servo motor 227, and the second servo motor 227 is mounted on the second motor mounting frame 228.
Specifically, two ends of the ceramic heat conduction oil pipe 230 are respectively fixed to the heat conduction oil pipe mounting hole on the first mounting plate surface 215 and the heat conduction oil pipe mounting hole on the second mounting plate surface 225.
Specifically, the molten pool 300 is cylindrical and is coated on the outer side of the part of the heating and stirring device 200 located in the reaction kettle 100, a feed inlet is arranged through the top of the molten pool 300 and provided with a feed hopper 310, a first temperature sensor 320 is further arranged inside the molten pool 300, the polypropylene fiber material in the preheating and crushing bin 610 enters the molten pool 300 through the feed hopper 310, and the molten pool 300 is used as a place for heating and melting the polypropylene fiber material and is matched with the heating and stirring device 200 to heat and melt the polypropylene fiber material.
Specifically, the inner side wall of the precipitation filter bin 400 is fixedly provided with a pigment screen 410, the precipitation filter bin 400 is further provided with a second temperature sensor 420 inside, the pigment screen 410 is made of stainless steel and used for blocking pigment particles and separating the pigment particles from polypropylene melt, and the second temperature sensor 420 is used for monitoring the temperature of the melt in the precipitation filter bin 400.
Specifically, the preheating and pulverizing device 600 includes a preheating and pulverizing bin 610, the preheating and pulverizing bin 610 is disposed on the upper portion of the inner cavity of the reaction kettle 100, a pulverizing and stirring motor 620 is installed on the top of the reaction kettle 100, an output shaft of the pulverizing and stirring motor 620 is fixedly connected with a stirring shaft 630 through a coupling, the stirring shaft 630 penetrates into the preheating and pulverizing bin 610, a pulverizing blade 631 is welded on the outer wall of the stirring shaft 630, a discharge port is formed in the bottom of the preheating and pulverizing bin 610 and is connected with a third electric control valve 530, a first heating plate 640 is installed inside a bottom plate of the preheating and pulverizing bin 610, a left side wall of the preheating and pulverizing bin 610 is outwardly communicated and connected with an injection port 650, a third temperature sensor 660 is further disposed inside the preheating and pulverizing bin 610, polypropylene fiber materials to be melted and stirred for impurity removal and recovery are injected into the preheating and pulverizing bin 610 through the injection port 650, the operation of the pulverizing and stirring motor 620 is controlled by a The material carries out the high-speed stirring, utilizes high-speed rotatory crushing blade 631 to smash the polypropylene fiber material, and the polypropylene fiber material that the storehouse 610 was smashed to preheating of the first hot plate 640 of control simultaneously preheats, and this workflow can go on when heating agitating unit 200 heats the stirring to the polypropylene fiber material in the molten bath 300, promotes the work efficiency of this device.
Specifically, the anti-solidification heating device 700 includes a ceramic coating 710, and a second heating plate 720 is embedded in an inner cavity of the ceramic coating 710; ceramic coating 710 can play certain heat preservation effect, and second hot plate 720 then is used for heating the sediment filter bin, through ceramic coating 710 and second hot plate 720's setting, can prevent to deposit the polypropylene melt that filters in the bin 400 and take place to solidify because of the temperature reduction in the sediment process.
Specifically, the control device 900 is provided with a control keyboard and a display screen, and a programmable PLC controller is arranged inside the control device 900; the control device 900 operates by controlling a keyboard, displays data information and an operation interface through a display screen, and performs program operation through a programmable PLC controller.
The working principle and the using process of the invention are as follows: injecting polypropylene fiber materials to be melted and stirred for impurity removal and recovery into the preheating and crushing bin 610 through the injection port 650, controlling the crushing and stirring motor 620 to operate through the control device 900 to drive the stirring shaft 630 and the crushing blade 631 to stir the polypropylene fiber materials injected into the preheating and crushing bin 610 at a high speed, crushing the polypropylene fiber materials by using the crushing blade 631 rotating at a high speed, simultaneously controlling the first heating plate 640 to preheat the polypropylene fiber materials in the preheating and crushing bin 610, after the polypropylene fiber materials in the preheating and crushing bin 610 are heated and crushed to a certain degree, opening the third electric control valve 530, allowing the polypropylene fiber materials in the preheating and crushing bin 610 to fall into the molten pool 300 through the feeding hopper 310 at the top of the molten pool 300, controlling the first servo motor 217 and the second servo motor 227 to drive the first mounting plate surface 215 and the second mounting plate surface 225 to rotate through the first driving gear group 216 and the second driving gear group 226 respectively through the control device 900, meanwhile, high-temperature heat conduction oil with the temperature of 355 ℃ enters a space between the first closed cover 211 and the first mounting plate surface 215 through the heat conduction oil input pipe 222 and flows into the ceramic heat conduction oil pipe 230 and further flows out to a space between the second closed cover 221 and the second mounting plate surface 225 and flows out through the heat conduction oil output pipe 222, so that the high-temperature heat conduction oil can circulate in the heating and stirring device 200, the rotation of the first mounting plate surface 215 and the second mounting plate surface 225 drives the ceramic heat conduction oil pipe 230 to rotate, the ceramic heat conduction oil pipe 230 stirs the polypropylene fiber material falling into the molten pool 300 along with the rotation of the first mounting plate surface 215 and the second mounting plate surface 225, and simultaneously, the polypropylene fiber material in the molten pool 300 is uniformly heated and melted by the high-temperature heat conduction oil circulating in the ceramic heat conduction oil pipe 230, the ceramic heat conduction oil pipe 230 is distributed in a fan shape, and can reduce, while the heating and stirring device 200 stirs, heats and melts the polypropylene fiber in the molten pool 300, the polypropylene fiber material is continuously added into the preheating and crushing bin 610 through the injection port 650, and stirs, crushes and preheats the polypropylene fiber material, the first electric control valve 510 is opened, the melted polypropylene melt can be discharged into the precipitation and filtration bin 400 through the discharge port at the bottom of the molten pool 300, half of the polypropylene melt in the molten pool 300 is discharged, the first electric control valve 510 is closed, the third electric control valve 530 is opened, a certain amount of polypropylene fiber material in the preheating and crushing bin 610 is discharged into the molten pool 300, because the high-temperature polypropylene melt after half of the melting is left in the molten pool 300, the heat conduction efficiency of the newly fallen polypropylene fiber material can be greatly increased by matching with the stirring and heating of the ceramic heat conduction oil pipe 230, the melting speed of the newly fallen polypropylene fiber material is greatly accelerated, and the polypropylene melt discharged into the precipitation and filtration bin 400 is heated by the second heating plate 720 in the anti-solidification heating Continuously keeping higher temperature to prevent solidification, after a certain time of precipitation separation, opening a second electric control valve 520, discharging the polypropylene melt in the precipitation filter bin 400 to a recovery device, in the discharging process, blocking and screening out pigment particles in the polypropylene melt in the precipitation filter bin 400 through a pigment screen 410, keeping the pigment particles above the pigment screen 410, removing pigment impurities from the polypropylene melt, in the production process, monitoring the flow rate and the flow quantity of heat transfer oil through a first electronic flowmeter 214 and a second electronic flowmeter 224, monitoring the oil temperature of the input and output heat transfer oil through a first oil temperature monitoring device 213 and a second oil temperature monitoring device 223, and simultaneously monitoring the solution temperature in the molten pool 300, the precipitation filter bin 400 and the heating temperature in the preheating crushing bin 610 through a first temperature sensor 320, a second temperature sensor 420 and a third temperature sensor 660 respectively, the monitoring data of each device is transmitted to the control device 900 and displayed through the display screen, and the control device 900 controls the first servo motor 217 and the second servo motor 227, so that the first mounting plate surface 215 and the second mounting plate surface 225 stop at the same position before starting operation and after stopping operation.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A pigment impurity removal device for recycling polypropylene fibers and a using method thereof are characterized in that: including reation kettle (100), reation kettle (100) all link up and install heating agitating unit (200) about the lateral wall, reation kettle (100) inside is equipped with molten bath (300) and deposits and filters storehouse (400), the bottom of molten bath (300) be equipped with the discharge port and with first automatically controlled valve (510) fixed connection, deposit the bottom of filtering storehouse (400) be equipped with the discharge port and with second automatically controlled valve (520) fixed connection, reation kettle (100)'s inner chamber upper portion is equipped with preheats reducing mechanism (600), reation kettle (100)'s bottom lateral wall cladding is installed and is prevented solidifying heating device (700), reation kettle (100)'s bottom welding has support footing (800), be equipped with controlling means (900) on reation kettle (100).
2. The pigment impurity removing device for the recycled polypropylene fiber and the use method thereof according to claim 1 are characterized in that: the heating and stirring device (200) comprises a left side mounting and fixing device (210), a right side mounting and fixing device (220) and a ceramic heat-conducting oil pipe (230).
3. The pigment impurity removing device for recycling polypropylene fibers and the use method thereof according to claim 2 are characterized in that: the left side installation fixing device (210) comprises a first sealing cover (211), the left side wall of the reaction kettle (100) is installed on the first sealing cover (211), the left side wall of the first sealing cover (211) is communicated and connected with a heat conduction oil output pipe (212), the left end of the heat conduction oil output pipe (212) is fixedly connected with a first oil temperature monitoring device (213) through a flange plate, the left end of the first oil temperature monitoring device (213) is fixedly connected with a first electronic flowmeter (214) through a flange plate, the left end of the first electronic flowmeter (214) is fixedly connected with an oil pipeline through a flange plate, a first installation disk surface (215) is clamped in an inner cavity of the first sealing cover (211) through a sealing bearing, a plurality of heat conduction oil pipe installation holes are communicated on the first installation disk surface (215), the left side wall of the first installation disk surface (215) is fixed with an output shaft of the first driving gear set (216), an input shaft of the first driving gear set (216) penetrates through the left side wall of the first sealing cover (211) and is connected with a first An output shaft of the motor (217) is fixedly connected, and the first servo motor (217) is installed on the first motor installation frame (218).
4. The pigment impurity removing device for the recycled polypropylene fiber and the use method thereof according to claim 3 are characterized in that: the right side installation fixing device (220) comprises a second closed cover (221), the right side wall of the reaction kettle (100) is installed on the second closed cover (221), the right side wall of the second closed cover (221) is communicated and connected with a heat conduction oil input pipe (222), the right end of the heat conduction oil input pipe (222) is fixedly connected with a second oil temperature monitoring device (223) through a flange plate, the right end of the second oil temperature monitoring device (223) is fixedly connected with a second electronic flowmeter (224) through a flange plate, the right end of the second electronic flowmeter (224) is fixedly connected with an oil pipeline through a flange plate, a second installation disc surface (225) is clamped in an inner cavity of the second closed cover (221) through a sealing bearing, a plurality of heat conduction oil pipe installation holes are communicated on the second installation disc surface (225), the right side wall of the second installation disc surface (225) is fixed with an output shaft of a second driving gear set (226), and an input shaft of the second driving gear set (226) penetrates through the right side wall of the second closed cover (221) and is servo-servo with The output shaft of the motor (227) is fixedly connected, and the second servo motor (227) is arranged on the second motor mounting frame (228).
5. The pigment impurity removing device for the recycled polypropylene fiber and the use method thereof according to claim 4 are characterized in that: two ends of the ceramic heat conduction oil pipe (230) are respectively fixed with a heat conduction oil pipe mounting hole on the first mounting plate surface (215) and a heat conduction oil pipe mounting hole on the second mounting plate surface (225).
6. The pigment impurity removing device for recycling polypropylene fibers and the use method thereof according to claim 2 are characterized in that: the molten pool (300) is cylindrical and is coated on the outer side of the part, located in the reaction kettle (100), of the heating and stirring device (200), a feed inlet is formed in the top of the molten pool (300) in a penetrating mode, a feed hopper (310) is arranged in the top of the molten pool, and a first temperature sensor (320) is further arranged in the molten pool (300).
7. The pigment impurity removing device for the recycled polypropylene fiber and the use method thereof according to claim 1 are characterized in that: the inside wall fixed mounting who deposits filter storehouse (400) has pigment screen cloth (410), and the inside of depositing filter storehouse (400) still is equipped with second temperature sensor (420).
8. The pigment impurity removing device for the recycled polypropylene fiber and the use method thereof according to claim 1 are characterized in that: preheat reducing mechanism (600) and smash storehouse (610) including preheating, preheat and smash inner chamber upper portion that storehouse (610) set up at reation kettle (100), crushing agitator motor (620) is installed at the top of reation kettle (100), the output shaft of smashing agitator motor (620) passes through shaft coupling and (mixing) shaft (630) fixed connection, inside of preheating and smashing storehouse (610) is run through in (mixing) shaft (630), the outer wall welding of (mixing) shaft (630) has crushing blade (631), the bottom of preheating and smashing storehouse (610) is equipped with the discharge port and is connected with third electrically controlled valve (530), the bottom plate internally mounted who preheats and smashes storehouse (610) has first hot plate (640), the left side wall that preheats and smashes storehouse (610) outwards link up and is connected with injection port (650), the inside of preheating and smashing storehouse (610) still is equipped with third temperature sensor.
9. The pigment impurity removing device for the recycled polypropylene fiber and the use method thereof according to claim 1 are characterized in that: the anti-solidification heating device (700) comprises a ceramic coating layer (710), and a second heating plate (720) is embedded in the inner cavity of the ceramic coating layer (710).
10. The pigment impurity removing device for the recycled polypropylene fiber and the use method thereof according to claim 1 are characterized in that: the control device (900) is provided with a control keyboard and a display screen, and a programmable PLC controller is arranged inside the control device (900).
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| CN202011142836.7A CN112297292A (en) | 2020-10-23 | 2020-10-23 | Pigment impurity removal device for recycling polypropylene fibers and use method thereof |
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| CN202011142836.7A CN112297292A (en) | 2020-10-23 | 2020-10-23 | Pigment impurity removal device for recycling polypropylene fibers and use method thereof |
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Cited By (1)
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Application publication date: 20210202 |