CN214514531U

CN214514531U - Low molecular weight polyethylene schizolysis forming device

Info

Publication number: CN214514531U
Application number: CN202023060020.8U
Authority: CN
Inventors: 李欣先
Original assignee: QINGDAO ZHONGSUGAO NEW MATERIALS CO LTD
Current assignee: QINGDAO ZHONGSUGAO NEW MATERIALS CO LTD
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-10-29
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a polyethylene wax cracking and forming device, it includes polyethylene wax separation and purification cauldron, set up be used for cooling the polyethylene wax's after the purification polyethylene wax ejection of compact cooling device on polyethylene wax separation and purification cauldron, set up at, the terminal polyethylene wax cracking discharge gate of polyethylene wax ejection of compact cooling device and be connected with polyethylene wax cracking discharge gate and be used for the polyethylene wax forming to become polyethylene wax's polyethylene wax forming device, polyethylene wax cracking discharge gate sets up to prevent the U type tubular structure that the air from flowing backward, be provided with the chill roll that is used for liquid polyethylene wax cooling on the polyethylene wax forming device, the device can discharge heavy matter and light material after the polyethylene wax cracking, has increased polyethylene wax's purity, has improved purification speed; the cooling effect is increased, and the phenomenon of spontaneous combustion of the discharged polyethylene wax due to overhigh temperature is avoided.

Description

Low molecular weight polyethylene schizolysis forming device

Technical Field

The utility model belongs to the technical field of low molecular weight polyethylene preparation, specifically speaking relates to a low molecular weight polyethylene schizolysis forming device.

Background

Polyethylene wax is a chemical material and is widely used because of its excellent cold resistance, heat resistance, chemical resistance and wear resistance.

Among the prior art, often contain impurity in the polyethylene wax after the schizolysis, and the cooling process uses the forced air cooling to cool off needs longer cooling time more, generally spout liquid polyethylene wax through the shower nozzle after the cooling, polyethylene wax whereabouts in-process becomes solid-state polyethylene wax by cold wind cooling, but this kind of cooling method's cooling effect is uncontrollable, probably cause polyethylene wax not complete cooling when ambient temperature is too high, probably go out at the shower nozzle when ambient temperature is too low and cool off solidification promptly, cause the jam, it influences the shaping efficiency to need the staff to maintain, increase staff intensity of labour.

Accordingly, further developments and improvements are still needed in the art.

SUMMERY OF THE UTILITY MODEL

To various deficiencies of the prior art, in order to solve the above problems, the polyethylene wax cracking and forming device is provided, which can realize the impurity removal of the cracked polyethylene wax, improve the cooling efficiency and reduce the workload of workers.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a low molecular weight polyethylene schizolysis forming device, it includes low molecular weight polyethylene separation and purification cauldron, sets up low molecular weight polyethylene ejection of compact cooling device that is used for cooling low molecular weight polyethylene after the purification on low molecular weight polyethylene separation and purification cauldron, sets up at, low molecular weight polyethylene ejection of compact cooling device is terminal low molecular weight polyethylene schizolysis discharge gate and be connected with low molecular weight polyethylene schizolysis discharge gate and be used for low molecular weight polyethylene's low molecular weight polyethylene forming device that the low molecular weight polyethylene schizolysis discharge gate sets up to prevent the U type tubular structure that the air from flowing backward, be provided with the chill roll that is used for liquid low molecular weight polyethylene cooling on the low molecular weight polyethylene forming device.

Preferably, the polyethylene wax separation and purification cauldron includes the cauldron body, the cauldron body is including setting up at the polyethylene wax pan feeding mouth of cauldron body one side, setting up at the polyethylene wax discharge gate of polyethylene wax pan feeding mouth offside, setting up at the heavy matter impurity discharge port of cauldron body bottom, setting up the sample connection that is used for polyethylene wax sample in cauldron body bottom, set up the internal agitating unit who is used for stirring polyethylene wax of cauldron and set up the light impurity eduction gear on the cauldron body.

Preferably, the light impurity discharging device comprises an inert gas introducing device arranged at the top end of the kettle body and used for introducing gas into the kettle body, and a light impurity discharging port arranged at the top end of the kettle body and used for discharging light impurities, and the light impurity discharging port is provided with a vacuumizing device used for completely discharging the light impurities.

Preferably, the polyethylene wax discharging and cooling device comprises a cooling pipe, a cooling tank and a pipe frame, wherein the cooling pipe penetrates through the cooling tank and is fixedly connected with the cooling tank; the axial direction of the cooling pipe is parallel to the length direction of the cooling tank, and a water inlet and a water outlet are respectively formed at two ends of the cooling tank; pipe support fixed connection is inside the cooling bath for support the cooling tube, leave the gap between pipe support and the cooling bath, the feed end and the low molecular weight polyethylene discharge gate of cooling tube are connected.

Preferably, polyethylene wax schizolysis discharge gate includes U type body, U type body includes the pan feeding mouth of being connected with the discharge end of cooling tube, is used for the discharge gate of discharge material and sets up the pipe abdomen that is used for keeping in polyethylene wax in the lowest of U type body, be provided with on the pipe abdomen and be used for cutting off pan feeding mouth and discharge gate and avoid the air to flow backward and get into the first valve of cooling tube.

Preferably, be provided with the temperature measuring device who is used for detecting polyethylene wax ejection of compact liquid temperature on the discharge gate, temperature measuring device includes first thermometer and sets up the temperature measurement mouth on discharge gate top again.

Preferably, the polyethylene wax molding device comprises a cooling roller, a scraper, a soaking groove, a fixing frame, a knife rest, a spring and a feeding groove; one end of the feeding groove is connected with the discharge port, the other end of the feeding groove is connected with the soaking groove, the polyethylene wax is conveyed to the soaking groove, the bottom of the cooling roller is inserted into the soaking groove, and the cooling roller can rotate relative to the soaking groove; one side of the scraper close to the cooling roller is mutually attached to the roller surface of the cooling roller; the cooling roller is rotationally connected to the fixed frame, and the soaking tank is fixed on the fixed frame; the knife rest is fixed on the fixing frame, the scraper is rotationally connected on the knife rest, two ends of the spring are respectively connected on the scraper and the fixing frame, and the spring drives the scraper to be attached to the roll surface of the cooling roll through self elasticity.

Preferably, the scraper includes connecting portion and cutting portion, forms the contained angle between connecting portion and the cutting portion, and the side that the cutting portion deviates from connecting portion supports tightly on the roll surface of chill roll, and the spring exerts the orientation for the junction of connecting portion and cutting portion and deviates from chill roll direction pivoted power.

Preferably, the cooling roller is hollow, and both ends of the cooling roller are provided with vent holes.

Preferably, the polyethylene wax molding device further comprises an air cooler, and the air cooler is used for blowing cold air into the cooling roller.

Has the advantages that:

1. heavy substances and light substances after the polyethylene wax is cracked can be discharged, the purity of the polyethylene wax is increased, and the purification speed is increased;

2. the purified polyethylene wax can be subjected to material taking inspection, so that the purification effect is ensured;

3. the cooling effect is improved, and the phenomenon of spontaneous combustion of the discharged polyethylene wax due to overhigh temperature is avoided;

4. the discharging temperature is reduced, so that the phenomenon that air flows backwards when being in contact with high-temperature polyethylene wax to generate combustion or even explosion accidents during discharging is prevented, and the safety is improved;

5. the cooling rate of the liquid polyethylene wax to the solid polyethylene wax is increased, and the cooling efficiency of the polyethylene wax is improved.

Drawings

FIG. 1 is a schematic structural diagram of a polyethylene wax cracking separation and purification kettle in a polyethylene wax cracking forming device according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a sampling device of a polyethylene wax cracking separation and purification kettle in a polyethylene wax cracking forming device according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a polyethylene wax discharge cooling device in a polyethylene wax cracking and forming device according to an embodiment of the present invention;

FIG. 4 is a schematic view of a water pipe of a polyethylene wax discharge cooling device in a polyethylene wax cracking and forming device according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a polyethylene wax cracking discharge port of a polyethylene wax cracking and forming apparatus according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a polyethylene wax forming device in a polyethylene wax cracking and forming device according to an embodiment of the present invention;

FIG. 7 is a schematic view of the bearing mounting position of the polyethylene wax stripping and forming device in the polyethylene wax cracking and forming device according to an embodiment of the present invention;

fig. 8 is an enlarged view of fig. 7 at a.

In the drawings: 1100 polyethylene wax inlet, 1200 polyethylene wax outlet, 1300 heavy impurity outlet, 1400 sampling port, 1500 stirring device, 1610 gas inlet device, 1620 light impurity outlet, 1630 vacuum device, 1710 thermometer inlet, 1810 sampling cooling tube, 1820 switch valve, 1830 cooling box, 1831 first box, 1832 second box, 1833 fastening bolt, 1840 inlet tube, 1850 outlet tube, 1860 connecting tube, 2100 cooling tube, 2200 cooling tank, 2300 trough frame, 2400 height adjusting component, 2410 anchor bolt, 2420 nut, 2500 flange, 2600 pipe frame, 2700 water pipe, 2800 limiting plate, 3100 inlet, 3110 inlet flange, 3200 outlet, 3211 temperature measuring port, 3212 second valve, 3300 pipe belly, 3310 first valve, 4100 cooling roller, 4110 roller body, 4111 vent hole, 4120 connecting end, 4200 scraper, 4210 connecting part, 4211 discharge port, 4220 cutting part, 4230 limiting part, 4300 immersion groove, 4400 a feeding groove, 4500 a discharging plate, 4600 a fixing frame, 4700 a bearing, 4800 a motor, 4900 a knife rest, 4910 a fixing piece, 4920 a connecting shaft, 4930 a spring, 4940 an air cooler and 4950 a storage box.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustration and not for limitation of the present invention.

As shown in fig. 1-8, the utility model provides a polyethylene wax schizolysis forming device, it includes polyethylene wax separation and purification cauldron, sets up the polyethylene wax ejection of compact cooling device that is used for cooling the polyethylene wax after the purification on polyethylene wax separation and purification cauldron, sets up at, the terminal polyethylene wax schizolysis discharge gate of polyethylene wax ejection of compact cooling device, and be connected the polyethylene wax forming device who is used for polyethylene wax shaping to become polyethylene wax with polyethylene wax schizolysis discharge gate, polyethylene wax schizolysis discharge gate sets up to the U type tubular structure that prevents the air and flow backward, be provided with the chill roll 4100 that is used for liquid polyethylene wax cooling on the polyethylene wax forming device.

As shown in figure 1, polyethylene wax cracking separation and purification kettle comprises a kettle body, wherein the kettle body comprises a polyethylene wax feeding port 1100 arranged on one side of the kettle body, a polyethylene wax discharging port 1200 arranged on the opposite side of the polyethylene wax feeding port 1100, a heavy impurity discharging port 1300 arranged at the bottom of the kettle body, a sampling port 1400 arranged at the bottom of the kettle body and used for sampling polyethylene wax, a stirring device 1500 arranged in the kettle body and used for stirring polyethylene wax, and a light impurity discharging device arranged on the kettle body

Specifically, the cauldron body is cylinder round platform mosaic structure, and cauldron body bottom diameter is less than cauldron body top diameter, and the heavy matter impurity of being convenient for collects in cauldron body bottom, and it discharges to be convenient for.

In a preferred embodiment, the heavy impurities are carbides generated by pyrolysis, and the density of the carbides is higher than that of polyethylene wax, so that the carbides can sink to the bottom of the kettle body after standing.

Specifically, the light impurity discharging means includes an inert gas introducing means 1610 provided at the top of the vessel for introducing gas into the vessel, and a light impurity discharging port 1620 provided at the top of the vessel for discharging light impurities.

Specifically, the light impurity discharging port 1620 is provided with a vacuum pumping device 1630 for completely discharging the light impurities.

Specifically, the inert gas inlet device 1610 includes an inert gas tank and a vent pipe connected to the inert gas tank for venting the autoclave body, and an air outlet of the vent pipe is disposed at a lower side of the autoclave body.

In a preferred embodiment, the vent pipe is arranged at the top end of the box body close to one side of the polyethylene wax feeding port 1100, and the low molecular weight gaseous polyethylene wax remaining in the polyethylene wax is taken out by introducing the inert gas into the kettle body through the vent pipe.

In a preferred embodiment, the inert gas is nitrogen, the cost can be effectively controlled by using the nitrogen under the condition that the nitrogen does not react with the polyethylene wax, meanwhile, the condition that the high-temperature polyethylene wax is combusted due to contact with oxygen is avoided, and the production safety is ensured.

In a preferred embodiment, the vacuum pumping device 1630 is disposed in the middle of the top of the kettle, and the vacuum pumping device 1630 is used to pump out the light impurities together with the nitrogen gas in the kettle, so as to ensure that no light impurities remain in the polyethylene wax, and improve the purity of the polyethylene wax.

Specifically, agitating unit 1500 is including setting up at the external agitator motor of cauldron, and be connected the setting with agitator motor and be used for stirring polyethylene wax's stirring leaf at the internal cauldron that is used for, discharges gaseous light impurity from polyethylene wax through the stirring, sees the device through heavy vibration and extracts.

Specifically, the purification cauldron is provided with vacuum insulation layer, vacuum insulation layer sets up on the cauldron body, sets up the heat preservation and ensures to have sufficient temperature when carrying out separation and purification, avoids low molecular weight polyethylene wax temperature to descend to make low molecular weight polyethylene wax become liquid from the gaseous state and return to in the low molecular weight polyethylene wax liquid.

Specifically, still be provided with the thermometer on the cauldron body, the thermometer sets up at cauldron body top, the thermometer probe sets up at the cauldron internal, can the internal temperature of real time monitoring cauldron, avoids the internal temperature decline of cauldron to cause low molecular weight polyethylene wax to solidify, and causes low molecular weight's low molecular weight polyethylene wax can't discharge completely easily and cause to contain impurity in the low molecular weight polyethylene wax.

In a preferred embodiment, the thermometer is arranged to be of a detachable structure, a thermometer inserting hole 1710 for installing the thermometer is formed in the kettle body, a tight closing valve is arranged on the thermometer inserting hole 1710, and the phenomenon that polyethylene wax is burnt due to the fact that air is sucked into the kettle body reversely is avoided.

The device comprises a kettle body, and is characterized by comprising a supporting seat arranged at the bottom of the kettle body and used for bearing the kettle body, wherein universal wheels are arranged on the supporting seat, and the free transfer of the separation and purification kettle is realized through the universal wheels.

As shown in fig. 2, a sampling device is disposed on the sampling port 1400, the sampling device includes a sampling cooling tube 1810, a switch valve 1820 and a cooling box 1830, and the sampling cooling tube 1810 is communicated with the sampling port 1400; two switch valves 1820 are arranged, and both the switch valves 1820 are arranged on the sampling cooling pipe 1810; the sampling cooling tube 1810 passes through the cooling box 1830, the cooling box 1830 is located between the two switch valves 1820, cold water is introduced into the cooling box 1830, and the two switch valves 1820 are arranged to ensure that ethylene and propylene in a high-temperature state in the kettle body cannot contact with a large amount of air in the sampling process, so that explosion of ethylene and propylene in the high-temperature state due to contact with the large amount of air is avoided. And simultaneously, the utility model discloses can cool off the sample that is located cooling box 1830 inside through the water-cooling to improve the cooling rate of sample in sample cooling tube 1810.

Specifically, the sampling device further comprises a water inlet pipe 1840 and a water outlet pipe 1850, and the water inlet pipe 1840 and the water outlet pipe 1850 are communicated with the cooling box 1830.

Specifically, the outlet pipe 1850 is located above the sampling cooling tube 1810, and water in the cooling box 1830 can be in complete contact with the outer wall of the sampling cooling tube 1810 located in the cooling box 1830, so that the cooling speed of the sample in the sampling cooling tube 1810 is further increased.

Specifically, the part that sample cooling tube 1810 is located cooling box 1830 is S type return bend, the utility model discloses a set up sample cooling tube 1810 into S type return bend, increased the sample cooling tube 1810 length that is located cooling box 1830, further improved the cooling rate of sample in the sample cooling tube 1810.

Specifically, the cooling box 1830 includes a first box 1831 and a second box 1832, and cooling grooves for accommodating water are formed on two sides of the first box 1831 and the second box 1832, which are close to each other; the first and second cartridges 1831 and 1832 sandwich the sampling cooling tube 1810, and the first and second cartridges 1831 and 1832 are detachably coupled together.

Specifically, the cooling box 1830 further includes a fastening bolt 1833, and the fastening bolt 1833 detachably connects the second box body 1832 with the first box body 1831.

Specifically, still include connecting pipe 1860, connecting pipe 1860 is close to the one end and the sample connection 1400 fixed connection of the cauldron body, and connecting pipe 1860 deviates from the one end of the cauldron body and sample cooling tube 1810 and is close to the one end detachable of the cauldron body and links together, and connecting pipe 1860 and the cauldron body and sample cooling tube 1810 intercommunication ensure that the internal low molecular weight impurity of cauldron clears away totally through setting up sampling device.

As shown in fig. 3 and 4, the polyethylene wax discharge cooling device comprises a cooling pipe 2100, a cooling tank 2200 and a pipe frame 2600, wherein the cooling pipe 2100 passes through the cooling tank 2200 and is fixedly connected with the cooling tank 2200; the axial direction of the cooling pipe 2100 is parallel to the length direction of the cooling tank 2200, and a water inlet and a water outlet are respectively formed at two ends of the cooling tank 2200; pipe support 2600 fixed connection is inside cooling bath 2200, a used for supporting cooling tube 2100, leave the gap between pipe support 2600 and cooling bath 2200, through setting up water inlet and delivery port, make the hydroenergy in cooling bath 2200 be in the mobile state all the time, make the heat of liquid polyethylene wax in cooling tube 2100 absorbed by the water in cooling bath 2200 continuously, thereby realize the precooling to the liquid polyethylene wax that flows out from polyethylene wax discharge gate 1200, in order to ensure when carrying out the forced air cooling to nozzle spun polyethylene wax, be difficult to appear because of ambient temperature's influence that polyethylene wax is not solidified completely the phenomenon, make and fall to be difficult to mutual adhesion between the polyethylene wax on conveyor.

Specifically, the cooling device further comprises a groove frame 2300, wherein the groove frame 2300 is used for supporting the cooling groove 2200, and the groove frame 2300 is fixedly connected to the bottom of the cooling groove 2200.

Specifically, the slot frame 2300 may be provided in plurality, and a plurality of the slot frames 2300 are arranged along the axis of the cooling pipe 2100.

Specifically, the height adjusting assembly 2400 is further included, the height adjusting assembly 2400 is used for adjusting the height of the trough frames 2300 from the ground, and at least one height adjusting assembly 2400 is connected to each trough frame 2300.

Specifically, the height adjusting assembly 2400 comprises an anchor bolt 2410 and a nut 2420, wherein the anchor bolt 2410 is vertically arranged, and the bottom of the anchor bolt 2410 is embedded underground; nut 2420 is in threaded connection with foundation bolt 2410; the foundation bolt 2410 penetrates through the bottom of the trough frame 2300, the bottom of the trough frame 2300 abuts against one side, away from the ground, of the nut 2420, and a worker can adjust the height of the trough frame 2300 through adjusting the position of the nut 2420 on the foundation bolt 2410, so that the cooling pipe 2100 can be communicated with polyethylene wax discharge ports 1200 with different heights.

Specifically, still include ring flange 2500, ring flange 2500 sets up two, and two ring flange 2500 difference fixed connection are at the both ends of cooling tube 2100, the utility model discloses set up ring flange 2500 respectively at cooling tube 2100 both ends to be connected with low molecular weight polyethylene discharge gate 1200 and discharging pipe feed inlet in cooling tube 2100 both ends.

Specifically, a plurality of pipe holders 2600 are arranged along the axis of cooling pipe 2100.

The cooling device further comprises limiting plates 2800, the limiting plates 2800 are fixedly connected to the bottoms of the cell frames 2300, at least one limiting plate 2800 is fixedly connected to the bottom of each cell frame 2300, the number of the high-humidity adjusting assemblies 2400 is the same as that of the limiting plates 2800, and the plurality of height adjusting assemblies 2400 correspond to the plurality of limiting plates 2800 one to one.

Specifically, still include water pipe 2700, water pipe 2700 sets up two, and two water pipe 2700 communicate water inlet and delivery port respectively, and two water pipe 2700 are close to the one end and the cooling bath 2200 fixed connection of cooling bath 2200, and water inlet and delivery port can be respectively through two water pipe 2700 and the pipe connection of carrying water.

As shown in fig. 5, polyethylene wax schizolysis discharge gate, it includes U type body, U type body includes pan feeding mouth 3100 that is connected with polyethylene wax schizolysis discharging pipe, discharge gate 3200 for the discharge material, and set up the pipe abdomen 3300 that is used for keeping in polyethylene wax schizolysis material in the U type body lower extreme, be provided with on the pipe abdomen 3300 and be used for cutting off pan feeding mouth 3100 and discharge gate 3200 and avoid the air to flow backward and get into first valve 3310 of discharging pipe.

Specifically, be provided with the temperature measuring device who is used for detecting low molecular weight polyethylene ejection of compact liquid temperature on the discharge gate 3200, temperature measuring device includes thermometer and the temperature measurement mouth 3211 who sets up on discharge gate 3200 top, and through temperature measuring device, real time monitoring sets up temperature measuring device and can detect low molecular weight polyethylene ejection of compact temperature in real time, avoids low molecular weight polyethylene ejection of compact temperature too high, causes the post-contact burning of exhaust low molecular weight polyethylene and air.

In the preferred embodiment, when detecting the polyethylene wax high temperature of discharge gate 3200, the staff makes the polyethylene wax in pipe abdomen 3300 cool down through closing first valve 3310, cools down and carries out the ejection of compact again after the safe temperature, avoids polyethylene wax and air contact after the burning emergence danger.

Specifically, the temperature measuring port 3211 is provided with a second valve 3212, so that air is prevented from entering the tank body through the temperature measuring port 3211 when temperature detection is not performed.

Specifically, be provided with the pan feeding ring flange 3110 that is used for being connected with the discharging pipe on pan feeding mouth 3100, combine through pan feeding ring flange 3110 and the low molecular weight polyethylene schizolysis discharging pipe that bears low molecular weight polyethylene high temperature material, and can avoid the junction gas leakage to cause low molecular weight polyethylene to drip, and burn with the air contact.

Specifically, the lowest height of the pipe body at the feed port 3100 is higher than the highest height of the pipe body at the discharge port 3200.

Concretely, discharge gate 3200 department body is highly higher than pipe abdomen 3300 department body highest height minimum, and discharge gate 3200 body is highly higher than pipe abdomen 3300 department highest height minimum, can guarantee that pipe abdomen 3300 department is occupied by low molecular weight polyethylene completely when the discharging pipe begins the ejection of compact, does not give the space that the air flows backward.

As shown in fig. 6-8, the polyethylene wax molding device comprises a cooling roller 4100, a scraper 4200, a soaking groove 4300, a fixing frame 4600, a knife rest 4900, a spring 4930 and a feeding groove 4400; one end of a feeding groove 4400 is connected with a discharge hole 3200, the other end of the feeding groove 4400 is connected with a soaking groove 4300 and is used for conveying polyethylene wax to the soaking groove 4300, the bottom of a cooling roller 4100 is inserted into the soaking groove 4300, and the cooling roller 4100 can rotate relative to the soaking groove 4300; one side of the doctor blade 4200 close to the cooling roll 4100 is bonded to the roll surface of the cooling roll 4100; the cooling roller 4100 is rotationally connected to the fixed frame 4600, and the soaking groove 4300 is fixed to the fixed frame 4600; the knife rest 4900 is fixed on the fixing frame 4600, the scraper 4200 is rotatably connected on the knife rest 4900, two ends of the spring 4930 are respectively connected on the scraper 4200 and the fixing frame 4600, the spring 4930 drives the scraper 4200 to be attached to the roller surface of the cooling roller 4100 through self elasticity, and the liquid polyethylene wax is adhered to the roller surface, so that the contact area between the liquid polyethylene wax and air is increased, the cooling speed of the liquid polyethylene wax is accelerated, the contact area between the liquid polyethylene wax and the air is not required to be increased through the spray head, the influence of spray head blockage on the cooling efficiency is avoided, and the cooling efficiency of the liquid polyethylene wax is ensured.

Specifically, the cooling roller 4100 includes a roller body 4110 and two connecting ends 4120, the roller surface is a cooking surface of the roller body 4110, the connecting ends 4120 are cylindrical, the two connecting ends 4120 are coaxial with the roller body 4110 and are fixed at two ends of the roller body 4110.

Specifically, the scraper 4200 includes a connecting portion 4210 and a cutting portion 4220, an included angle is formed between the connecting portion 4210 and the cutting portion 4220, a side edge of the cutting portion 4220 away from the connecting portion 4210 abuts against a roll surface of the cooling roll 4100, and the spring 4930 applies a force to the connecting portion 4210 and the cutting portion 4220 to rotate towards a direction away from the cooling roll 4100.

Specifically, the polyethylene wax adhered to the cooling roller 4100 approaches the cutting portion 4220 from above the cutting portion 4220, and the angle between the connecting portion 4210 and the cutting portion 4220 opens upward.

Specifically, the connecting portion 4210 is provided with a discharge outlet 4211.

Specifically, the scraper 4200 further includes a limiting portion 4230, the limiting portion 4230 is rotatably connected to the knife holder 4900, and the spring 4930 applies a force to one side of the limiting portion 4230 away from the connecting portion 4210 to rotate towards the direction close to the cooling roller 4100.

Specifically, one end of the spring 4930 is fixedly connected with one side of the limiting portion 4230, which is away from the connecting portion 4210, the other end of the spring 4930 is fixedly connected with the fixing frame 4600, the joint of the spring 4930 and the fixing frame 4600 is located on one side of the knife rest 4900, which is close to the cooling roller 4100, and the spring 4930 is in a stretching state, the spring 4930 naturally contracts, and a force which rotates towards the direction away from the roller body 4110 is applied to the joint of the connecting portion 4210 and the cutting portion 4220, so that the side edge of the cutting portion 4220, which is away from the connecting portion 4210, abuts against the surface of the roller.

Specifically, the tool holder 4900 includes a fixing member 4910 and a connecting shaft 4920, the fixing member 4910 is fixed to the fixing frame 4600, and the stopper portion 4230 is penetrated by the connecting shaft 4920 and rotatably connected to the connecting shaft 4920.

In a preferred embodiment, the polyethylene wax forming apparatus further comprises a discharging plate 4500, wherein the discharging plate 4500 is located below the scraper 4200 and is used for collecting the solid polyethylene wax scraped from the cooling roller 4100 by the scraper 4200, and one side of the discharging plate 4500 facing away from the soaking tank 4300 is inclined towards the ground, so that the solid polyethylene wax falling onto the discharging plate 4500 slides down along the discharging plate 4500 to be stacked so as to be used for collecting the solid polyethylene wax.

In a preferred embodiment, the polyethylene wax molding apparatus further includes a fixing frame 4600 and a bearing 4700, the fixing frame 4600 is used for supporting the cooling roller 4100 and the soaking groove 4300, the two bearings 4700 are fixedly connected with the fixing frame 4600 at two sides of the roller body 4110, the two connecting ends 4120 are respectively rotatably connected with the fixing frame 4600 through the two bearings 4700, and the soaking groove 4300 is fixedly connected with the fixing frame 4600.

In a preferred embodiment, the polyethylene wax molding apparatus further comprises a motor 4800, an output end of the motor 4800 is connected to a connection end 4120, and the roller 4110 is driven to rotate by the connection end 4120.

In a preferred embodiment, the polyethylene wax forming device further comprises a storage box 4950, and the storage box 4950 is fixedly connected to a side of the discharging plate 4500 away from the soaking groove 4300, and is used for receiving the solid polyethylene wax sliding down along the discharging plate 4500

Specifically, the interior of the cooling roller 4100 is hollow, and ventilation holes 4111 are formed at two ends of the cooling roller 4100, so that the contact area between the cooling roller 4100 and air is increased, and the cooling speed of the liquid polyethylene wax is further improved.

Specifically, polyethylene wax forming device still includes air-cooler 4940, and air-cooler 4940 is used for blowing cold wind in to chill roll 4100, and cold wind can absorb the heat of the liquid polyethylene wax of adhesion on chill roll 4100, further accelerates the cooling of liquid polyethylene wax.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims

1. The utility model provides a low molecular weight polyethylene schizolysis forming device, its characterized in that, including low molecular weight polyethylene separation and purification cauldron, set up the low molecular weight polyethylene ejection of compact cooling device who is used for cooling low molecular weight polyethylene after the purification on low molecular weight polyethylene separation and purification cauldron, set up at low molecular weight polyethylene schizolysis discharge gate of low molecular weight polyethylene ejection of compact cooling device end and be connected with low molecular weight polyethylene schizolysis discharge gate and be used for low molecular weight polyethylene's low molecular weight polyethylene forming device that the low molecular weight polyethylene becomes, low molecular weight polyethylene schizolysis discharge gate sets up to prevent the U type tubular structure that the air from flowing backward, be provided with on the low molecular weight polyethylene forming device and be used for liquid low molecular weight polyethylene refrigerated chill roll.

2. The polyethylene wax cracking and forming device of claim 1, wherein the polyethylene wax separation and purification kettle comprises a kettle body, and the kettle body comprises a polyethylene wax feeding port arranged on one side of the kettle body, a polyethylene wax discharging port arranged on the opposite side of the polyethylene wax feeding port, a heavy impurity discharging port arranged at the bottom of the kettle body, a sampling port arranged at the bottom of the kettle body and used for polyethylene wax sampling, an agitating device arranged in the kettle body and used for agitating polyethylene wax, and a light impurity discharging device arranged on the kettle body.

3. The polyethylene wax cracking and forming device as claimed in claim 2, wherein the light impurity discharging device comprises an inert gas introducing device disposed at the top end of the kettle body for introducing gas into the kettle body, and a light impurity discharging port disposed at the top end of the kettle body for discharging light impurities, and the light impurity discharging port is provided with a vacuum-pumping device for completely discharging light impurities.

4. The polyethylene wax cracking and forming device of claim 2, wherein the polyethylene wax discharge cooling device comprises a cooling pipe, a cooling tank and a pipe frame 2600, wherein the cooling pipe passes through the cooling tank and is fixedly connected with the cooling tank; the axial direction of the cooling pipe is parallel to the length direction of the cooling tank, and a water inlet and a water outlet are respectively formed at two ends of the cooling tank; pipe support (2600) fixed connection is inside the cooling bath for support the cooling tube, leave the gap between pipe support and the cooling bath, the feed end and the polyethylene wax discharge gate of cooling tube are connected.

5. The polyethylene wax cracking and forming device as claimed in claim 4, wherein the polyethylene wax cracking discharge port comprises a U-shaped pipe body, the U-shaped pipe body comprises a feeding port connected with the discharge end of the cooling pipe, a discharge port used for discharging materials, and a pipe web arranged at the lowest position of the U-shaped pipe body and used for temporarily storing polyethylene wax, and a first valve used for cutting off the feeding port and the discharge port and preventing air from flowing backwards into the cooling pipe is arranged on the pipe web.

6. The polyethylene wax cracking and forming device as claimed in claim 5, wherein the discharge port is provided with a temperature measuring device for measuring the temperature of the polyethylene wax discharged liquid, and the temperature measuring device comprises a first thermometer and a temperature measuring port arranged at the top end of the discharge port.

7. The polyethylene wax cracking forming device of claim 5, wherein the polyethylene wax forming device comprises a cooling roller, a scraper, a soaking groove, a fixing frame, a knife rest, a spring and a feeding groove; one end of the feeding groove is connected with the discharge port, the other end of the feeding groove is connected with the soaking groove, the polyethylene wax is conveyed to the soaking groove, the bottom of the cooling roller is inserted into the soaking groove, and the cooling roller can rotate relative to the soaking groove; one side of the scraper close to the cooling roller is mutually attached to the roller surface of the cooling roller; the cooling roller is rotationally connected to the fixed frame, and the soaking tank is fixed on the fixed frame; the knife rest is fixed on the fixing frame, the scraper is rotationally connected on the knife rest, two ends of the spring are respectively connected on the scraper and the fixing frame, and the spring drives the scraper to be attached to the roll surface of the cooling roll through self elasticity.

8. The polyethylene wax cracking and forming device as claimed in claim 7, wherein the scraper includes a connecting portion and a cutting portion, an included angle is formed between the connecting portion and the cutting portion, a side of the cutting portion facing away from the connecting portion abuts against a surface of the cooling roller, and the spring applies a force to a joint of the connecting portion and the cutting portion, the force being directed to rotate away from the cooling roller.

9. The polyethylene wax cracking and forming device of claim 7, wherein the cooling roller is hollow, and the cooling roller has vent holes at two ends.

10. The polyethylene wax cracking and forming device of claim 9, wherein the polyethylene wax forming device further comprises an air cooler, and the air cooler is used for blowing cold air into the cooling roller.