CN101914184A - Ethylene tar resin granulation process and granulator - Google Patents
Ethylene tar resin granulation process and granulator Download PDFInfo
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- CN101914184A CN101914184A CN2010102459555A CN201010245955A CN101914184A CN 101914184 A CN101914184 A CN 101914184A CN 2010102459555 A CN2010102459555 A CN 2010102459555A CN 201010245955 A CN201010245955 A CN 201010245955A CN 101914184 A CN101914184 A CN 101914184A
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- ethylene tar
- tar resin
- resin
- liquid parting
- pressing plate
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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
- B29B9/00—Making granules
- B29B9/10—Making granules by moulding the material, i.e. treating it in the molten state
Abstract
The invention discloses an ethylene tar resin granulation process, which comprises the following steps of: conveying an ethylene tar resin raw material into a gas stripping tower kettle, adding an initiator into the gas stripping tower kettle, heating the gas stripping tower kettle, reacting the raw material and the initiator to obtain ethylene tar resin, and cooling the ethylene tar resin to between 150 and 160 DEG C; and introducing the cooled ethylene tar resin to a distributor of a granulator, uniformly distributing the ethylene tar resin on a steel conveyer belt below the distributor in a granular form by the distributor, and cooling the steel conveyer belt by using a cooling device below the steel conveyer belt during conveying so as to cool the ethylene tar resin into granular resin. The granulator comprises a frame, the distributor, a conveying device and the cooling device. The process can perform continuous production and operation; the obtained resin granules have uniform and regular shape and good color; the granular tar resin is convenient to pack and convey so as to greatly reduce the production cost; and the granular product is convenient for accurate measurement, is more convenient for a user to use, is easy to re-melt and greatly reduces the heat consumption.
Description
Technical field
The present invention relates to a kind of production method of resin, particularly a kind of ethylene tar resin granulation process and tablets press.
Background technology
At present ethylene tar resin is that to extract the ethylene bottom oil heavy component of reserving after aromatic hydrocarbon oil and the NAPTHALENE FLAKES. (INDUSTRIAL GRADE with ethylene plant's ethylene bottom oil be raw material at home, raw material is added in the stripping tower still, add initiator again, heating stripping tower still, under normal pressure, react, temperature is about 300 ℃ in the reaction, the temperature of gained ethylene tar resin is about 300 ℃, the ethylene tar resin product that makes is bulk and sheet, irregular shape of product causes very big inconvenience for packing and transportation, wrapping process has been wasted great amount of manpower, material resources and time, transportation cost is also high, causes the cost of ethylene tar resin product to increase, in addition, block and flaky ethylene tar resin can not accurately measure in use, nor is convenient to follow-up molten again the use.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of ethylene tar resin consumer packaging that makes things convenient for and transports, thereby material can accurately measure, be convenient to the ethylene tar resin granulation process that the material fusion reduces heat energy consumption significantly when adding.
Another technical problem that the present invention will solve provides tablets press used in the above-mentioned granulation process.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of ethylene tar resin granulation process may further comprise the steps:
(1) the ethylene tar resin raw material is sent in the gas stripping column still, added initiator, heating stripping tower still, reaction obtains ethylene tar resin, and the vomit pipe of ethylene tar resin by stripping tower still bottom fed in the resin receiving tank;
(2) ethylene tar resin in the resin receiving tank being cooled to temperature is 150-160 ℃;
(3) cooled ethylene tar resin is fed in the distributor of tablets press; distributor evenly is distributed into ethylene tar resin on the steel transport tape of its below with granular form; carry in the process of ethylene tar resin at the steel transport tape; the refrigerating unit of steel transport tape below cools off the steel transport tape, and ethylene tar resin is cooled to granular resin.
The temperature that enters the ethylene tar resin of distributor should be at 150-160 ℃, if under normal pressure, react, the stripping tower temperature in the kettle is about 300 ℃, the temperature of gained ethylene tar resin is about 300 ℃, make follow-up cooling time of a specified duration excessively, the applicant constantly changes processing parameter in the long-term production test for this reason, obtained preferred polymerization temperature, polymerization time, polymerization pressure and initiator amount, when having guaranteed quality product and output, reached energy-saving and cost-reducing, preferred parameter is: in the step (1), the adding weight of initiator is 3 ‰ of ethylene tar resin raw material weight-8 ‰; In the reaction process, the service temperature in the stripping tower still is 180-260 ℃, and tower top temperature is 140-230 ℃, and stripping tower still internal pressure is-90～0KPa, and the reaction times is 2-10 hour.The temperature of the ethylene tar resin that this processing parameter prepares is 190-250 ℃, the cooling of convenient follow-up ethylene tar resin.
Ethylene tar resin granulation process of the present invention, wherein in the step (1), the adding weight of initiator is preferably 4.5 ‰ of ethylene tar resin raw material weight-7 ‰; In the reaction process, the service temperature in the stripping tower still is preferably 200-230 ℃, and stripping tower still internal pressure is preferably-90～-60KPa, the reaction times is preferably 4-8 hour.
Ethylene tar resin granulation process of the present invention, wherein in the step (2), feed cooled resistant to elevated temperatures thermal oil in the spiral coil cooling tube of employing in the resin receiving tank and come ethylene tar resin is cooled off, it is 153-158 ℃ that ethylene tar resin is cooled to temperature.
Ethylene tar resin granulation process of the present invention wherein in the step (1), feeds high temperature heat conductive oil in the heating coil of heating stripping tower still employing in the stripping tower still and heats.
Used tablets press in the above-mentioned ethylene tar resin granulation process, comprise frame, distributor, e Foerderanlage and refrigerating unit, described e Foerderanlage comprises the rack-mounted power wheel and the steel transport tape that is sleeved on the power wheel that power is provided by motor, described distributor is installed on the frame and is positioned at steel transport tape forward top, described refrigerating unit comprises suction culvert, water pipe, backwater collecting hood and water return pipeline, suction culvert communicates with water pipe, the top of water pipe evenly is provided with some spout holes, the backwater collecting hood is fixed on the frame and is positioned at the below of steel transport tape, water pipe is positioned at the backwater collecting hood and is positioned at the below of steel transport tape, and water return pipeline is connected on the bottom of backwater collecting hood; The right-hand member of described frame is provided with support, is fixed with scraper plate on the described support, and the upper end of described scraper plate contacts with the steel transport tape.
Tablets press of the present invention; wherein also comprise the liquid parting application device; described liquid parting application device comprises liquid parting case and demoulding roller; described liquid parting case is installed in the left end of described frame; the liquid parting case is roughly L shaped; the fluid inlet joint is equipped with in the side of liquid parting case; the fluid inlet joint communicates with the liquid parting storage tank by connecting flexible pipe; the demoulding roller shell is contained on the demoulding roll shaft; the two ends of demoulding roll shaft are installed in the bearing support respectively; bearing support is installed on the frame, and the lower end of demoulding roller is positioned at the liquid parting case and contacts with the liquid parting of liquid parting case, and the upper end of demoulding roller contacts with the steel transport tape.
Tablets press of the present invention; wherein said liquid parting application device also comprises the demoulding roller regulating device; the demoulding roller regulating device comprises depression bar; support bar; leading screw; spring; before the left end of frame; rear side is compression column with fixed and support bar respectively; depression bar is positioned at the top of support bar; the lower surface of depression bar and the upper surface of support bar are respectively equipped with chute; bearing support is installed in the chute on depression bar and the support bar; the right-hand member of bearing support is fastenedly connected by two nuts and leading screw; the right-hand member of leading screw passes frame; the right part of leading screw is with first pad successively; spring; second pad, first pad is pressed on the frame, and the right-hand member of leading screw is by the 3rd nut locking.
Tablets press of the present invention, wherein said liquid parting application device also comprises the liquid parting uniform device, the liquid parting uniform device is positioned at the top of liquid parting case, the liquid parting uniform device comprises right pressing plate, left pressing plate, jackscrew, scraper, pressing plate back shaft and jackscrew back shaft are installed on the frame, fixedly connected with the pressing plate back shaft in the lower end of right pressing plate, fixedly connected with the bottom of left pressing plate by bolt in the bottom of right pressing plate, accompany scraper between the top of left pressing plate and right pressing plate, the upper end of scraper is higher than a left side, right pressing plate and contact with the steel transport tape, some jackscrews are housed on the jackscrew back shaft, the lower end of jackscrew passes left pressing plate and scraper is pressed on the right pressing plate, and by nut locking; Liquid parting case under left and right pressing plate and the scraper is provided with opening.
Tablets press of the present invention; wherein also comprise the flue gas retrieving arrangement; described flue gas retrieving arrangement comprises that the flue gas that is fixed on the frame reclaims cover; the top that flue gas reclaims cover links to each other with flue by pipeline; the exit end of flue links to each other with the import of induced draft fan; the outlet of induced draft fan links to each other with the import for the treatment of column by pipeline, and the outlet for the treatment of column links to each other with the import of withdrawing can by pipeline, and the top of withdrawing can is provided with vapor pipe.
Ethylene tar resin granulation process of the present invention cools off the back with the ethylene tar resin that makes and feeds in the distributor; ethylene tar resin is the uniform distribution granulation in distributor; drop down onto on the steel transport tape of below; the refrigerating unit of steel transport tape below cools off the ethylene tar resin grain in the course of conveying; thereby make the particulate state ethylene tar resin; adopt the steel transport tape; make material condensation rapidly; solidify; adopt tablets press of the present invention; can carry out the continuous production operation, gained resin particle shape is rule evenly, and color and luster is good; instant packed and the transportation of shot coke oleo-resinous; greatly reduce production cost, granulated product is convenient to accurate metering, and the user uses also convenient; and it is easily molten again, has reduced heat energy consumption significantly.
Description of drawings
Fig. 1 is the structural representation of ethylene tar resin tablets press of the present invention;
Fig. 2 is the principle of work synoptic diagram of distributor;
Fig. 3 is the left view of Fig. 1 after amplifying;
Fig. 4 removes structural representation behind the cover plate for Fig. 3;
Fig. 5 is the rear view of tablets press head section liquid parting application device;
Fig. 6 is the C-C part sectioned view of Fig. 4;
Fig. 7 is an A place enlarged view among Fig. 6.
Embodiment
As shown in Figure 1; ethylene tar resin tablets press of the present invention; comprise frame 1, distributor 2, e Foerderanlage and refrigerating unit; e Foerderanlage comprise be installed on the frame 1 by motor motion-work wheel 11, the follow-up pulley 111 of power is provided and be sleeved on motion-work wheel 11 and follow-up pulley 111 on steel transport tape 12; distributor 2 is installed on the frame 1 and is positioned at steel transport tape 12 forward top, and the model that distributor 2 adopts Nanjing San Pu granulation equipment company limited to produce is the distributor of CF3000-1.5-41.6-8.In conjunction with Fig. 2, distributor 2 comprises cloth inner disc 21 and is sleeved on the outer dish 22 of cloth of cloth inner disc 21 outsides, the material channel 24 that cloth inner disc 21 is provided with material inlet 23 and communicates with material inlet 23, by pipeline material inlet 23 is connected with the resin receiving tank during use, the outer dish of cloth 22 upper edge circumference evenly are provided with some discharge holes 25, refrigerating unit comprises suction culvert 31, water pipe 32, backwater collecting hood 33 and water return pipeline 34, suction culvert 31 communicates with water pipe 32, the top of water pipe 32 evenly is provided with some spout holes 35, backwater collecting hood 33 is fixed on the frame 1 and is positioned at the below of steel transport tape 12, water pipe 32 is positioned at backwater collecting hood 33 and is positioned at the below of steel transport tape 12, and water return pipeline 34 is connected on the bottom of backwater collecting hood 33.During use suction culvert 31 is linked to each other with cooling water tank respectively with water return pipeline 34.The right-hand member of frame 1 is provided with support 4, is fixed with scraper plate 41 on the support 4, and the upper end of scraper plate 41 contacts with steel transport tape 12, and scraper plate 41 is used for the granular ethylene tar resin on the steel transport tape 12 scraped and falls.Scraper plate 41 can adopt steel scraper plate or copper scraper plate.But in order to protect steel transport tape 12 better, reduce the wearing and tearing of scraper plate, scraper plate 41 adopts the silica gel material to make.Cover plate 91 is equipped with at the left and right two ends of frame 1, and in conjunction with shown in Figure 3, cover plate 91 is provided with porthole 9.
Because ethylene tar resin has stronger adhesivity, more crisp and frangible, for more easily being scraped the granular ethylene tar resin on the steel transport tape 12, scraper plate 41 falls, at the left end of frame 1 the liquid parting application device is housed.In conjunction with Fig. 3-shown in Figure 6, the liquid parting application device comprises liquid parting case 119, demoulding roller 61, demoulding roller regulating device, liquid parting uniform device, liquid parting case 119 is installed in the left end of frame 1, liquid parting case 119 is roughly L shaped, fluid inlet joint 120 is equipped with in the side of liquid parting case 119, and fluid inlet joint 120 communicates with liquid parting storage tank 122 by connecting flexible pipe 121.The demoulding roller regulating device comprises depression bar 71, support bar 72, leading screw 73, spring 74, before the left end of frame 1, rear side is respectively by screw retention depression bar 71 and support bar 72, depression bar 71 is positioned at the top of support bar 72, the upper surface of the lower surface of depression bar 71 and support bar 72 is respectively equipped with the chute (not shown), bearing support 75 is installed in the chute on depression bar 71 and the support bar 72, the right-hand member of bearing support 75 is by two nuts 79,80 are fastenedly connected with leading screw 73, the right-hand member of leading screw 73 passes frame 1, the right part of leading screw 73 is with first pad 76 successively, spring 74, second pad 77, first pad 76 is pressed on the frame 1, and the right-hand member of leading screw 73 is by 78 lockings of the 3rd nut.Demoulding roller 61 is sleeved on the demoulding roll shaft 62, the two ends of demoulding roll shaft 62 are installed in respectively in the bearing support 75, the lower end of demoulding roller 61 is positioned at liquid parting case 119 and contacts with the liquid parting of liquid parting case 119, and the upper end of demoulding roller 61 contacts with steel transport tape 12.The liquid parting uniform device is positioned at the top of liquid parting case 119, in conjunction with shown in Figure 7, the liquid parting uniform device comprises right pressing plate 81, left pressing plate 82, jackscrew 83, scraper 84, pressing plate back shaft 85 and jackscrew back shaft 86 are installed on the frame 1, fixedly connected with pressing plate back shaft 85 in the lower end of right pressing plate 81, fixedly connected with the bottom of left pressing plate 82 by bolt in the bottom of right pressing plate 81, accompany scraper 84 between the top of left pressing plate 82 and right pressing plate 81, the upper end of scraper 84 is higher than a left side, right pressing plate 82,81 and contact with steel transport tape 12, some jackscrews 83 are housed on the jackscrew back shaft 86, the lower end of jackscrew 83 passes left pressing plate 82 and scraper 84 is pressed on the right pressing plate 81, and, scraper 84 is contacted all the time with steel transport tape 12 by jackscrew 83 by nut locking; Liquid parting case 119 under left and right pressing plate 82,81 and the scraper 84 is provided with opening 130, makes that unnecessary liquid parting is back in the liquid parting case 119 on scraper and the left and right pressing plate 82,81.
Owing to be provided with the liquid parting application device; steel transport tape 12 is in transmission course; the demoulding roller 61 that contacts with steel transport tape 12 is by its driven rotary; liquid parting on the demoulding roller 61 is applied on the steel transport tape 12; make on the steel transport tape 12 and form thin film; material drops on and does not adhere to steel band on the steel transport tape 12; scraper plate 41 can scrape material easilier like this; and scrape in the process and can not produce dust; not only make the ethylene tar resin particle obtain protection, and reduced the loss of steel transport tape 12 and scraper plate 41.Liquid parting adopts the MD-4 liquid parting of Changzhou good forever auxiliary agent company limited.
The liquid parting setting device is used to regulate the position of demoulding roller 61, and its maintenance is contacted with steel transport tape 12.When demoulding roller 61 has deviation not contact with steel transport tape 12 positions, regulate the 3rd nut 78, bearing support 75 is slided along the chute on depression bar 71 and the support bar 72, demoulding roller 61 can be adjusted to and firm transport tape 12 position contacting of steel.
The liquid parting uniform device is used to make the liquid parting on the steel transport tape 12 to smear more evenly, scraper 84 contacts with steel transport tape 12, in steel transport tape 12 transmission courses, scraper 84 is evenly smeared the liquid parting on the steel transport tape 12, and unnecessary liquid parting falls in the liquid parting case 119 by the opening on the liquid parting case 119 120.
Because the ethylene tar resin temperature after the polymerization is higher; therefore in the process of cooling of tablets press distributor and steel transport tape leading portion a large amount of flue gases can appear during granulation; therefore tablets press of the present invention also is provided with the flue gas retrieving arrangement; as shown in Figure 1; the flue gas retrieving arrangement comprises that the flue gas that is fixed on the frame 1 reclaims cover 51; steel transport tape 12 and distributor 2 all are positioned at flue gas and reclaim cover 51; the top that flue gas reclaims cover 51 links to each other with flue 52 by pipeline; the exit end of flue 52 links to each other with the import of induced draft fan 53; the outlet of induced draft fan 53 links to each other by the import of pipeline with treating column 54; the bottom for the treatment of column 54 is provided with delivery pipe 57; the outlet for the treatment of column 54 links to each other by the import of pipeline with withdrawing can 55, and the top of withdrawing can 55 is provided with vapor pipe 56.Induced draft fan 53 is sent into the flue gas that flue gas reclaims in the cover 51 in the treating column 54, the Pall ring filler is arranged in the treating column 54, flue gas is at treating column 54 internal cooling, partial fume forms phlegma and discharges from delivery pipe 57, all the other flue gases enter in the withdrawing can 55 by pipeline, and organic solvent such as oil fuel are arranged in the withdrawing can 55, according to the same sex principle that mixes, organic composition in the flue gas dissolves in the organic solvent, and surplus air is discharged from vapor pipe 56.The flue gas retrieving arrangement reclaims the flue gas that the high temperature ethylene tar resin produces, and has realized the environment zero release has been reached cleaner production, utilizes the same sex principle that mixes that flue gas is handled, and cost is low, and energy consumption is little.
Ethylene tar resin granulation process of the present invention may further comprise the steps:
(1) the ethylene tar resin raw material is sent in the gas stripping column still, added initiator again, heating stripping tower still, reaction obtains ethylene tar resin, and the vomit pipe of ethylene tar resin by stripping tower still bottom fed in the resin receiving tank; This step is a prior art, heats the stripping tower still here and can adopt and feed high temperature air in the heating coil in the stripping tower still and heat, and also can adopt to feed high temperature heat conductive oil and heat.
Intake Quantity of ethylene tar resin raw material is the 8-18 ton in the stripping tower still.
(2) ethylene tar resin in the resin receiving tank being cooled to temperature is 150-160 ℃; Here cooling can be adopted air cooling or water-cooled, but preferably adopts cooled resistant to elevated temperatures thermal oil to cool off.
(3) as depicted in figs. 1 and 2; cooled ethylene tar resin is fed the material inlet 23 of the cloth inner disc 21 of tablets press; ethylene tar resin enters in the discharge hole 25 of the outer dish 22 of cloth by material channel 24; and in discharge hole 25, spray; drop down onto on the steel transport tape 12 that at the uniform velocity moves the below; steel transport tape 12 is delivered to packaging process with ethylene tar resin; in course of conveying; the water pipe 32 ejection water coolants of steel transport tape 12 belows cool off steel transport tape 12, and ethylene tar resin is cooled to the semisphere granular resin.
Below in conjunction with specific embodiment ethylene tar resin granulation process of the present invention is elaborated.
(1) 8 tons of ethylene tar resin raw materials is sent in the gas stripping column still through petroleum pump, add 24 kilograms of initiators then, heating stripping tower still, opening stripping tower vacuum unit simultaneously vacuumizes, make that the temperature in the stripping tower still is 180 ℃ in the reaction process, tower top temperature is 140 ℃, pressure is 0KPa, stripping cat head rising steam liquid phase after the cooling of stripping overhead condenser all enters in the oil fuel receiving tank, the liquid ethylene tar resin that reaction obtains is positioned at the stripping tower still, reacted 2 hours, after having reacted, close the vacuum unit, make stripping tower still internal pressure return to normal pressure, the vomit pipe of ethylene tar resin by stripping tower still bottom fed in the resin receiving tank, and the temperature of the ethylene tar resin that polymerization obtains is about 190 ℃;
(2) feed cooled resistant to elevated temperatures thermal oil in the spiral coil cooling tube in the resin receiving tank, it is 150 ℃ that the ethylene tar resin in the resin receiving tank is cooled to temperature;
(3) as depicted in figs. 1 and 2; cooled ethylene tar resin is fed the material inlet 23 of the cloth inner disc 21 of tablets press; ethylene tar resin drops down onto on the steel transport tape 12 by the discharge hole 25 of material channel 24 and the outer dish 22 of cloth; steel transport tape 12 is delivered to packaging process with ethylene tar resin; in course of conveying; the water pipe 32 ejection water coolants of steel transport tape 12 belows cool off steel transport tape 12, and ethylene tar resin is cooled to the semisphere granular resin.
Step (1) and step (2) as different from Example 1, step (3) is identical with embodiment 1.
(1) 18 tons of ethylene tar resin raw materials is sent in the gas stripping column still through petroleum pump, add 90 kilograms of initiators then, heating stripping tower still, opening stripping tower vacuum unit simultaneously vacuumizes, make that the temperature in the stripping tower still is 200 ℃ in the reaction process, tower top temperature is 160 ℃, pressure is-30KPa, stripping cat head rising steam liquid phase after the cooling of stripping overhead condenser all enters in the oil fuel receiving tank, and the liquid ethylene tar resin that reaction obtains is positioned at the stripping tower still, reacts 4 hours, after having reacted, close the vacuum unit, make stripping tower still internal pressure return to normal pressure, the vomit pipe of ethylene tar resin by stripping tower still bottom fed in the resin receiving tank; The temperature of the ethylene tar resin that polymerization obtains is about 205 ℃;
(2) feed cooled resistant to elevated temperatures thermal oil in the spiral coil cooling tube in the resin receiving tank, it is 153 ℃ that the ethylene tar resin in the resin receiving tank is cooled to temperature.
Step (1) and step (2) as different from Example 1, step (3) is identical with embodiment 1.
(1) 10 tons of ethylene tar resin raw materials is sent in the gas stripping column still through petroleum pump, add 80 kilograms of initiators then, heating stripping tower still, make that the temperature in the stripping tower still is 230 ℃ in the reaction process, tower top temperature is 180 ℃, and pressure is-60KPa to react 7 hours, obtain ethylene tar resin, the vomit pipe of ethylene tar resin by stripping tower still bottom fed in the resin receiving tank; The temperature of the ethylene tar resin that polymerization obtains is about 225 ℃;
(2) feed cooled resistant to elevated temperatures thermal oil in the spiral coil cooling tube in the resin receiving tank, it is 156 ℃ that the ethylene tar resin in the resin receiving tank is cooled to temperature.
Embodiment 4
Step (1) and step (2) as different from Example 1, step (3) is identical with embodiment 1.
(1) 15 tons of ethylene tar resin raw materials is sent in the gas stripping column still through petroleum pump, add 90 kilograms of initiators then, heating stripping tower still, make that the temperature in the stripping tower still is 260 ℃ in the reaction process, tower top temperature is 230 ℃, and pressure is-90KPa to react 10 hours, obtain ethylene tar resin, the vomit pipe of ethylene tar resin by stripping tower still bottom fed in the resin receiving tank; The temperature of the ethylene tar resin that polymerization obtains is about 250 ℃;
(2) feed cooled resistant to elevated temperatures thermal oil in the spiral coil cooling tube in the resin receiving tank, it is 160 ℃ that the ethylene tar resin in the resin receiving tank is cooled to temperature.
Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (10)
1. ethylene tar resin granulation process may further comprise the steps:
(1) the ethylene tar resin raw material is sent in the gas stripping column still, added initiator, heating stripping tower still, reaction obtains ethylene tar resin, and the vomit pipe of ethylene tar resin by stripping tower still bottom fed in the resin receiving tank;
(2) ethylene tar resin in the resin receiving tank being cooled to temperature is 150-160 ℃;
(3) cooled ethylene tar resin is fed in the distributor of tablets press; distributor evenly is distributed into ethylene tar resin on the steel transport tape of its below with granular form; carry in the process of ethylene tar resin at the steel transport tape; the steel transport tape is cooled off, ethylene tar resin is cooled to granular resin.
2. ethylene tar resin granulation process according to claim 1 is characterized in that: in the step (1), the adding weight of initiator is 3 ‰ of ethylene tar resin raw material weight-8 ‰; In the reaction process, the service temperature in the stripping tower still is 180-260 ℃, and tower top temperature is 140-230 ℃, and stripping tower still internal pressure is-90～0KPa, and the reaction times is 2-10 hour.
3. ethylene tar resin granulation process according to claim 2 is characterized in that: in the step (1), the adding weight of initiator is 4.5 ‰ of ethylene tar resin raw material weight-7 ‰; In the reaction process, the service temperature in the stripping tower still is 200-230 ℃, stripping tower still internal pressure is-90～-60KPa, the reaction times is 4-8 hour.
4. ethylene tar resin granulation process according to claim 3, it is characterized in that: in the step (2), feed cooled resistant to elevated temperatures thermal oil in the spiral coil cooling tube of employing in the resin receiving tank and come ethylene tar resin is cooled off, it is 153-158 ℃ that ethylene tar resin is cooled to temperature.
5. ethylene tar resin granulation process according to claim 4 is characterized in that: in the step (1), feed high temperature heat conductive oil in the heating coil of heating stripping tower still employing in the stripping tower still and heat.
6. used tablets press in each described ethylene tar resin granulation process of claim 1-5, it is characterized in that: comprise frame, distributor, e Foerderanlage and refrigerating unit, described e Foerderanlage comprises the rack-mounted power wheel and the steel transport tape that is sleeved on the power wheel that power is provided by motor, described distributor is installed on the frame and is positioned at steel transport tape forward top, described refrigerating unit comprises suction culvert, water pipe, backwater collecting hood and water return pipeline, suction culvert communicates with water pipe, the top of water pipe evenly is provided with some spout holes, the backwater collecting hood is fixed on the frame and is positioned at the below of steel transport tape, water pipe is positioned at the backwater collecting hood and is positioned at the below of steel transport tape, and water return pipeline is connected on the bottom of backwater collecting hood; The right-hand member of described frame is provided with support, is fixed with scraper plate on the described support, and the upper end of described scraper plate contacts with the steel transport tape.
7. tablets press according to claim 6; it is characterized in that: also comprise the liquid parting application device; described liquid parting application device comprises liquid parting case and demoulding roller; described liquid parting case is installed in the left end of described frame; the liquid parting case is roughly L shaped; the fluid inlet joint is equipped with in the side of liquid parting case; the fluid inlet joint communicates with the liquid parting storage tank by connecting flexible pipe; the demoulding roller shell is contained on the demoulding roll shaft; the two ends of demoulding roll shaft are installed in the bearing support respectively; bearing support is installed on the frame, and the lower end of demoulding roller is positioned at the liquid parting case and contacts with the liquid parting of liquid parting case, and the upper end of demoulding roller contacts with the steel transport tape.
8. tablets press according to claim 7; it is characterized in that: described liquid parting application device also comprises the demoulding roller regulating device; the demoulding roller regulating device comprises depression bar; support bar; leading screw; spring; before the left end of frame; rear side is compression column with fixed and support bar respectively; depression bar is positioned at the top of support bar; the lower surface of depression bar and the upper surface of support bar are respectively equipped with chute; bearing support is installed in the chute on depression bar and the support bar; the right-hand member of bearing support is fastenedly connected by two nuts and leading screw; the right-hand member of leading screw passes frame; the right part of leading screw is with first pad successively; spring; second pad; first pad is pressed on the frame, and the right-hand member of leading screw is by the 3rd nut locking.
9. tablets press according to claim 8, it is characterized in that: described liquid parting application device also comprises the liquid parting uniform device, the liquid parting uniform device is positioned at the top of liquid parting case, the liquid parting uniform device comprises right pressing plate, left pressing plate, jackscrew, scraper, pressing plate back shaft and jackscrew back shaft are installed on the frame, fixedly connected with the pressing plate back shaft in the lower end of right pressing plate, fixedly connected with the bottom of left pressing plate by bolt in the bottom of right pressing plate, accompany scraper between the top of left pressing plate and right pressing plate, the upper end of scraper is higher than a left side, right pressing plate and contact with the steel transport tape, some jackscrews are housed on the jackscrew back shaft, the lower end of jackscrew passes left pressing plate and scraper is pressed on the right pressing plate, and by nut locking; Liquid parting case under left and right pressing plate and the scraper is provided with opening.
10. tablets press according to claim 9; it is characterized in that: also comprise the flue gas retrieving arrangement; described flue gas retrieving arrangement comprises that the flue gas that is fixed on the frame reclaims cover; the top that flue gas reclaims cover links to each other with flue by pipeline; the exit end of flue links to each other with the import of induced draft fan; the outlet of induced draft fan links to each other with the import for the treatment of column by pipeline, and the outlet for the treatment of column links to each other with the import of withdrawing can by pipeline, and the top of withdrawing can is provided with vapor pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102459555A CN101914184B (en) | 2010-08-05 | 2010-08-05 | Ethylene tar resin granulation process and granulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102459555A CN101914184B (en) | 2010-08-05 | 2010-08-05 | Ethylene tar resin granulation process and granulator |
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| CN101914184A true CN101914184A (en) | 2010-12-15 |
| CN101914184B CN101914184B (en) | 2013-06-19 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN109531862A (en) * | 2017-09-22 | 2019-03-29 | 天津益三友色母料有限公司 | A kind of coil type cooling device |
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| CN105418849A (en) * | 2014-09-19 | 2016-03-23 | 上海宝钢化工有限公司 | Production method for high-softening-point coumarone resin |
| CN104890141A (en) * | 2015-06-25 | 2015-09-09 | 安庆市虹泰新材料有限责任公司 | Granulation conveying mechanism of polyamide production system |
| CN109531862A (en) * | 2017-09-22 | 2019-03-29 | 天津益三友色母料有限公司 | A kind of coil type cooling device |
| CN108043565A (en) * | 2017-11-24 | 2018-05-18 | 苏州沃森优金电子科技有限公司 | A kind of pulverizer with conveying device |
| CN109553803A (en) * | 2018-12-17 | 2019-04-02 | 山东阳谷华泰化工股份有限公司 | A kind of Environmental-protection particle shape peptizer and preparation method thereof |
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|---|---|
| CN101914184B (en) | 2013-06-19 |
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