CN101914184B - Ethylene tar resin granulation process and granulator - Google Patents
Ethylene tar resin granulation process and granulator Download PDFInfo
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- CN101914184B CN101914184B CN2010102459555A CN201010245955A CN101914184B CN 101914184 B CN101914184 B CN 101914184B CN 2010102459555 A CN2010102459555 A CN 2010102459555A CN 201010245955 A CN201010245955 A CN 201010245955A CN 101914184 B CN101914184 B CN 101914184B
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- ethylene tar
- tar resin
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- 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
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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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 to extract the ethylene bottom oil heavy component reserved after aromatic hydrocarbon oil and NAPTHALENE FLAKES. (INDUSTRIAL GRADE） as raw material take ethylene plant's ethylene bottom oil at home, raw material is added in the stripping tower reactor, add again initiator, heating stripping tower reactor, react under normal pressure, in reaction, temperature is about 300 ℃, 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 large inconvenience for packing and transportation, wrapping process has been wasted a large amount of manpowers, material resources and time, transportation cost is also high, cause the cost of ethylene tar resin product to increase, in addition, the ethylene tar resin of block and sheet in use can not accurate-metering, nor be convenient to follow-up molten use the again.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of ethylene tar resin consumer packaging transportation of facilitating, thereby can accurate-metering when material adds, be convenient to the ethylene tar resin granulation process of material melting decrease heat energy consumption.
Another technical problem that the present invention will solve is to provide tablets press used in 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 comprises the following steps:
(1) the ethylene tar resin raw material is sent in the air lift tower reactor, added initiator, heating stripping tower reactor, reaction obtains ethylene tar resin, and the vomit pipe of ethylene tar resin bottom the stripping tower reactor passed 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 passed 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 carries out cooling to the steel transport tape, ethylene tar resin is cooled to granular resin.
the temperature that enters the ethylene tar resin of distributor should be at 150-160 ℃, if react under normal pressure, 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 excessively of a specified duration, 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 step (1), the weight that adds of initiator is 3 ‰ of ethylene tar resin raw material weight-8 ‰, in reaction process, the service temperature in the stripping tower reactor is 180-260 ℃, and tower top temperature is 140-230 ℃, and stripping tower reactor 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 ℃, and conveniently follow-up ethylene tar resin is cooling.
Ethylene tar resin granulation process of the present invention, wherein in step (1), the weight that adds of initiator is preferably 4.5 ‰ of ethylene tar resin raw material weight-7 ‰; In reaction process, the service temperature in the stripping tower reactor is preferably 200-230 ℃, and stripping tower reactor 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 step (2), pass into cooled resistant to elevated temperatures thermal oil in the spiral coil cooling tube of employing in the resin receiving tank and ethylene tar resin is carried out cooling, it is 153-158 ℃ that ethylene tar resin is cooled to temperature.
Ethylene tar resin granulation process of the present invention, wherein in step (1), heating stripping tower reactor adopts and passes into high temperature heat conductive oil in heating coil in the stripping tower reactor and heat.
tablets press used in 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 power wheel that power is provided by motor, described distributor is arranged on frame and is positioned at the top of steel transport tape front portion, 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 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, 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 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 arranged on 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 hose, the demoulding roller shell is contained on the demoulding roll shaft, the two ends of demoulding roll shaft are arranged on respectively in bearing support, bearing support is arranged on frame, the lower end of demoulding roller is positioned at the liquid parting case and contacts with the liquid parting of liquid parting case, 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 chute on depression bar and 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 overlaps successively the first pad, spring, the second pad, the first pad is pressed on frame, 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 frame, the lower end of right pressing plate is fixedly connected with the pressing plate back shaft, the bottom of right pressing plate is fixedly connected with the bottom of left pressing plate by bolt, 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 contacting 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 right pressing plate, and by nut locking, liquid parting case under left and right pressing plate and scraper is provided with opening.
Tablets press of the present invention; wherein also comprise flue gas recovery device; described flue gas recovery device comprises the off-gas recovery cover that is fixed on frame; the top of off-gas recovery cover is connected with flue by pipeline; the exit end of flue is connected with the import of induced draft fan; the outlet of induced draft fan is connected with the import for the treatment of column by pipeline, and the outlet for the treatment of column is connected 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 carries out the ethylene tar resin that makes to pass in distributor after cooling, ethylene tar resin is evenly distribution granulation in distributor, drop down onto on the steel transport tape of below, the refrigerating unit of steel transport tape below carries out cooling to the ethylene tar resin grain in 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 continuous production operation, gained resin particle shape is rule evenly, color and luster is good, the shot coke oleo-resinous instant packed and the transportation, greatly reduce production cost, granulated product is convenient to accurate-metering, the user uses also convenient, and it is easily molten again, decrease heat energy consumption.
Description of drawings
Fig. 1 is the structural representation of ethylene tar oil resin granulator of the present invention;
Fig. 2 is the principle of work schematic diagram of distributor;
Fig. 3 is the left view after Fig. 1 amplifies;
Fig. 4 is the structural representation after Fig. 3 removes cover plate;
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 A place enlarged view in Fig. 6.
Embodiment
As shown in Figure 1; ethylene tar oil resin granulator of the present invention; comprise frame 1, distributor 2, e Foerderanlage and refrigerating unit; e Foerderanlage comprise be arranged on 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 arranged on frame 1 and is positioned at the top of steel transport tape 12 front portions, 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 cloth outer disk 22 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, be provided with some discharge holes 25 along even circumferential on cloth outer disk 22, 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 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, water return pipeline 34 is connected on the bottom of backwater collecting hood 33.During use, suction culvert 31 is connected 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 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 steel transport tape 12 is scraped falling.Scraper plate 41 can adopt steel scraper plate or copper scraper plate.But in order to protect better steel transport tape 12, 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 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 arranged on 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 hose 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 compression column with fixed 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 chute on depression bar 71 and 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 overlaps successively the first pad 76, spring 74, the second pad 77, the first pad 76 is pressed on frame 1, the right-hand member of leading screw 73 is by the 3rd nut 78 lockings.Demoulding roller 61 is sleeved on demoulding roll shaft 62, the two ends of demoulding roll shaft 62 are arranged on respectively in 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 frame 1, the lower end of right pressing plate 81 is fixedly connected with pressing plate back shaft 85, the bottom of right pressing plate 81 is fixedly connected with by the bottom of bolt with left pressing plate 82, 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 jackscrew back shaft 86, the lower end of jackscrew 83 passes left pressing plate 82 and scraper 84 is pressed on right pressing plate 81, and by nut locking, by jackscrew 83, scraper 84 is contacted all the time with steel transport tape 12, left and right pressing plate 82,81 and scraper 84 under liquid parting case 119 be provided with opening 130, make that on scraper and left and right pressing plate 82,81, unnecessary liquid parting is back in liquid parting case 119.
Owing to being provided with the liquid parting application device; steel transport tape 12 is in transmitting procedure; the demoulding roller 61 that contacts with steel transport tape 12 is by its driven rotary; liquid parting on demoulding roller 61 is applied on steel transport tape 12; make on steel transport tape 12 and form thin film; material drops on and does not adhere to steel band on steel transport tape 12; scraper plate 41 can be easier of under material scraper like this; and scrape in 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 Changzhou MD-4 liquid parting of good auxiliary agent company limited forever.
The liquid parting setting device is used for regulating the position of demoulding roller 61, and its maintenance is contacted with steel transport tape 12.When steel transport tape 12 positions have deviation not contact, regulate the 3rd nut 78 when demoulding roller 61, bearing support 75 is slided along the chute on depression bar 71 and support bar 72, demoulding roller 61 can be adjusted to the position that contacts with the firm transport tape 12 of steel.
The liquid parting uniform device is used for making the liquid parting on steel transport tape 12 smear more evenly, scraper 84 contacts with steel transport tape 12, in steel transport tape 12 transmitting procedures, scraper 84 is evenly smeared the liquid parting on steel transport tape 12, and unnecessary liquid parting falls in liquid parting case 119 by the opening 120 on liquid parting case 119.
because the ethylene tar resin temperature after 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 flue gas recovery device, as shown in Figure 1, flue gas recovery device comprises the off-gas recovery cover 51 that is fixed on frame 1, steel transport tape 12 and distributor 2 all are positioned at off-gas recovery cover 51, the top of off-gas recovery cover 51 is connected with flue 52 by pipeline, the exit end of flue 52 is connected with the import of induced draft fan 53, the outlet of induced draft fan 53 is connected 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 is connected by the import of pipeline with withdrawing can 55, the top of withdrawing can 55 is provided with vapor pipe 56.Induced draft fan 53 is sent into the flue gas in off-gas recovery cover 51 in treating column 54, in treating column 54, Pall ring filler is arranged, flue gas is interior cooling at treating column 54, partial fume forms phlegma and discharges from delivery pipe 57, all the other flue gases enter in withdrawing can 55 by pipeline, and organic solvent such as oil fuel are arranged in withdrawing can 55, according to the same sex principle that mixes, organic composition in flue gas dissolves in organic solvent, and surplus air is discharged from vapor pipe 56.Flue gas recovery device 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 processed, and cost is low, and energy consumption is little.
Ethylene tar resin granulation process of the present invention comprises the following steps:
(1) the ethylene tar resin raw material is sent in the air lift tower reactor, then added initiator, heating stripping tower reactor, reaction obtains ethylene tar resin, and the vomit pipe of ethylene tar resin bottom the stripping tower reactor passed in the resin receiving tank; This step is prior art, heats the stripping tower reactor here and can adopt and pass into high temperature air in heating coil in the stripping tower reactor and heat, and also can adopt to pass into high temperature heat conductive oil and heat.
In the stripping tower reactor, Intake Quantity of ethylene tar resin raw material is the 8-18 ton.
(2) ethylene tar resin in the resin receiving tank being cooled to temperature is 150-160 ℃; Here coolingly can adopt air cooling or water-cooled, but preferably adopt cooled resistant to elevated temperatures thermal oil to carry out cooling.
(3) as depicted in figs. 1 and 2; cooled ethylene tar resin is passed into the material inlet 23 of the cloth inner disc 21 of tablets press; ethylene tar resin enters in the discharge hole 25 of cloth outer disk 22 by material channel 24; and from the interior ejection of discharge hole 25; drop down onto on the at the uniform velocity mobile steel transport tape 12 in 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 carry out cooling to steel transport tape 12, 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 are sent in the air lift tower reactor through petroleum pump, then add 24 kilograms of initiators, heating stripping tower reactor, opening simultaneously stripping tower vacuum unit vacuumizes, make that in reaction process, the temperature in the stripping tower reactor is 180 ℃, tower top temperature is 140 ℃, pressure is 0KPa, stripping tower top rising steam liquid phase after the stripping overhead condenser is cooling all enters in the oil fuel receiving tank, the liquid ethylene tar resin that reaction obtains is positioned at the stripping tower reactor, reacted 2 hours, after having reacted, close the vacuum unit, make stripping tower reactor internal pressure return to normal pressure, the vomit pipe of ethylene tar resin bottom the stripping tower reactor passed in the resin receiving tank, the temperature of the ethylene tar resin that polymerization obtains is about 190 ℃,
(2) pass into 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 passed into the material inlet 23 of the cloth inner disc 21 of tablets press; ethylene tar resin drops down onto on steel transport tape 12 by the discharge hole 25 of material channel 24 and cloth outer disk 22; 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 carry out cooling to steel transport tape 12, 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 are sent in the air lift tower reactor through petroleum pump, then add 90 kilograms of initiators, heating stripping tower reactor, opening simultaneously stripping tower vacuum unit vacuumizes, make that in reaction process, the temperature in the stripping tower reactor is 200 ℃, tower top temperature is 160 ℃, pressure is-30KPa, stripping tower top rising steam liquid phase after the stripping overhead condenser is cooling all enters in the oil fuel receiving tank, the liquid ethylene tar resin that reaction obtains is positioned at the stripping tower reactor, reacted 4 hours, after having reacted, close the vacuum unit, make stripping tower reactor internal pressure return to normal pressure, the vomit pipe of ethylene tar resin bottom the stripping tower reactor passed in the resin receiving tank, the temperature of the ethylene tar resin that polymerization obtains is about 205 ℃,
(2) pass into 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.
Embodiment 3
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 are sent in the air lift tower reactor through petroleum pump, then add 80 kilograms of initiators, heating stripping tower reactor, make that in reaction process, the temperature in the stripping tower reactor is 230 ℃, tower top temperature is 180 ℃, and pressure is-60KPa to react 7 hours, obtain ethylene tar resin, the vomit pipe of ethylene tar resin bottom the stripping tower reactor passed in the resin receiving tank; The temperature of the ethylene tar resin that polymerization obtains is about 225 ℃;
(2) pass into 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 are sent in the air lift tower reactor through petroleum pump, then add 90 kilograms of initiators, heating stripping tower reactor, make that in reaction process, the temperature in the stripping tower reactor is 260 ℃, tower top temperature is 230 ℃, and pressure is-90KPa to react 10 hours, obtain ethylene tar resin, the vomit pipe of ethylene tar resin bottom the stripping tower reactor passed in the resin receiving tank; The temperature of the ethylene tar resin that polymerization obtains is about 250 ℃;
(2) pass into 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 the preferred embodiment 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 comprises the following steps:
(1) the ethylene tar resin raw material is sent in the air lift tower reactor, added initiator, heating stripping tower reactor, reaction obtains ethylene tar resin, and the vomit pipe of ethylene tar resin bottom the stripping tower reactor passed 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 passed 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 carried out cooling, ethylene tar resin is cooled to granular resin.
2. ethylene tar resin granulation process according to claim 1, it is characterized in that: in step (1), the weight that adds of initiator is 3 ‰ of ethylene tar resin raw material weight-8 ‰; In reaction process, the service temperature in the stripping tower reactor is 180-260 ℃, and tower top temperature is 140-230 ℃, and stripping tower reactor internal pressure is-90～0KPa, and the reaction times is 2-10 hour.
3. ethylene tar resin granulation process according to claim 2, it is characterized in that: in step (1), the weight that adds of initiator is 4.5 ‰ of ethylene tar resin raw material weight-7 ‰; In reaction process, the service temperature in the stripping tower reactor is 200-230 ℃, stripping tower reactor 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 step (2), pass into cooled resistant to elevated temperatures thermal oil in the spiral coil cooling tube of employing in the resin receiving tank and ethylene tar resin is carried out cooling, 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 step (1), heating stripping tower reactor adopts and passes into high temperature heat conductive oil in heating coil in the stripping tower reactor and heat.
6. tablets press used in the described ethylene tar resin granulation process of claim 1-5 any one, 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 power wheel that power is provided by motor, described distributor is arranged on frame and is positioned at the top of steel transport tape front portion, 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 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, 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 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 arranged on the left end of described frame, the releasing liquid 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 hose, the demoulding roller shell is contained on the demoulding roll shaft, the two ends of demoulding roll shaft are arranged on respectively in bearing support, bearing support is arranged on frame, the lower end of demoulding roller is positioned at the liquid parting case and contacts with the liquid parting of liquid parting case, 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 chute on depression bar and 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 overlaps successively the first pad, spring, the second pad, the first pad is pressed on frame, 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 frame, the lower end of right pressing plate is fixedly connected with the pressing plate back shaft, the bottom of right pressing plate is fixedly connected with the bottom of left pressing plate by bolt, 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 contacting 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 right pressing plate, and by nut locking, liquid parting case under left and right pressing plate and scraper is provided with opening.
10. tablets press according to claim 9; it is characterized in that: also comprise flue gas recovery device; described flue gas recovery device comprises the off-gas recovery cover that is fixed on frame; the top of off-gas recovery cover is connected with flue by pipeline; the exit end of flue is connected with the import of induced draft fan; the outlet of induced draft fan is connected with the import for the treatment of column by pipeline, and the outlet for the treatment of column is connected 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 CN101914184A (en) | 2010-12-15 |
| CN101914184B true CN101914184B (en) | 2013-06-19 |
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