CN204844550U - Petroleum resin granulation buffer system - Google Patents
Petroleum resin granulation buffer system Download PDFInfo
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- CN204844550U CN204844550U CN201520603574.8U CN201520603574U CN204844550U CN 204844550 U CN204844550 U CN 204844550U CN 201520603574 U CN201520603574 U CN 201520603574U CN 204844550 U CN204844550 U CN 204844550U
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Abstract
The utility model discloses a petroleum resin granulation buffer system belongs to petroleum resin production facility technical field. The utility model provides a molten -bath mechanism includes first molten -bath, second molten -bath and third molten -bath, all is equipped with agitator, level gauge and liquid level alarm device in three molten -bath, and agitator and liquid level alarm device are all mutually chain with corresponding level gauge, all be equipped with flow control valve on resin liquid inlet pipe, resin liquid discharging pipe and the auxiliary agent inlet pipe of molten -bath mechanism, all flow control valve all with corresponding molten -bath in the level gauge mutually chain, and above -mentioned all flow control valve all carry out the configuration in the DCS system. The utility model discloses can make petroleum resin and product additive misce bene and abundant reaction, can the accurate control additive add the fluence, makes the quality of same batch of product the same, just guaranteed follow -up granulation system's stability and continuous operation.
Description
Technical field
The utility model belongs to Petropols production equipment technical field, more particularly, relates to a kind of Petropols granulating slow flushing system.
Background technology
Petropols are with the carbon five of petroleum cracking ethylene by-product or C 9 petroleum resin fraction for primary raw material, through a kind of thermoplastic resin of the explained hereafter such as pre-treatment, polymerization, distillation.In prior art, the Petropols liquid formed after polymerization first carries out stripping process removing not poly-carbon five or carbon nine, solvent and oligomer etc. wherein usually to obtain metastable resin liquid, and then is carried out granulation process.In order to improve the quality of Petropols, usually needed to use modified additive to carry out modification to Petropols before granulation process.In prior art, following two kinds of methods are adopted usually to the modification of Petropols.
First method is when resin polymerization liquid is carried out stripping process, is filled in stripping tower reactor by measuring pump by product additive, is then delivered to through tower reactor discharging pump and directly enters comminutor after metre filter and carry out granulation process.But when adopting the method, residence time of material is relatively short, and additive cannot mix with resin liquid; When fluctuation occurs stripper stripping system, cannot carry out controlling in time, accurately to the adding amount of additive, and make the stable of subsequent granulation system and run continuously to be affected.In addition, because additive is directly filled in stripping tower reactor, temperature in the kettle higher (about 240 DEG C), there is the possibility be decomposed in additive, thus product quality is obviously reduced.
Second method is by resin polymerization liquid after stripping process desolvation and oligomer, and carry through tower reactor discharging pump and enter separate unit stirred tank and cushion, product additive is filled in stirred tank by measuring pump, then enters comminutor and carries out granulation process.By using the method, the decomposition of modified additive can be prevented to a certain extent, strengthen the mixing uniformity of Petropols and modified additive, but because the material in stirred tank is into while go out, be still continuous operation, this just requires that modified additive must inject continuously, and stirred tank charging is slightly fluctuated the addition (ppm rank) namely affecting modified additive, thus also inaccuracy is controlled to the adding amount of modified additive, the stability of subsequent granulation system affects larger by Feedstock fluctuation.Through retrieval; Chinese Patent Application No.: 201420510881.7; the applying date: on 09 05th, 2014; invention and created name is: modified C 5 petroleum resin production system; this application case discloses a kind of modified C 5 petroleum resin production system; it comprises polymerization reaction kettle; nitrogen access tube is provided with on polymerization reaction kettle top; polymerization reaction kettle top is connected with additive feeding bucket by pipeline; polymerization reaction kettle is provided with agitator; polymerization reaction kettle stage casing is connected with Petropols storage tank by pipeline, and polymerization reaction kettle bottom is connected with comminutor by discharge nozzle.Namely polymerization reaction kettle in this application case is equivalent to above said stirred tank, therefore, when the charging of C5 Petropols occur comparatively minor swing time, to the adjustment of modified additive addition not in time and inaccuracy, the quality of gained resin is affected, and when fluctuation occurs polymerization reaction kettle system, easily make the stability of subsequent granulation system be a greater impact.
Utility model content
1. the utility model technical problem that will solve
When the purpose of this utility model is to overcome and carries out modification to Petropols in prior art; when fluctuation occurs in Petropols charging, inaccuracy is controlled to the adding amount of product additive; thus the quality of gained Petropols is affected; and the stability of subsequent granulation system poor deficiency relative to continuity, provide a kind of Petropols granulating slow flushing system.By the granulating slow flushing system using the utility model to provide; Petropols can be made to mix with product additive and fully react; accurately can control the adding amount of additive, make the quality of same batch products identical, and guarantee that subsequent granulation system can be stablized and run continuously.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of Petropols granulating slow flushing system of the present utility model, comprise stripper, filter, molten-bath mechanism, auxiliary tank, batch turning pump and granulating system, wherein, discharging opening bottom described stripper is connected with the feed pipe of filter, and the discharge nozzle of filter is connected with the resin liquid feed pipe of molten-bath mechanism; The resin liquid discharge nozzle of described molten-bath mechanism is connected with the feed pipe of resin liquid extraction pump, and the discharge nozzle of resin liquid extraction pump is connected with described granulating system; Described molten-bath mechanism is also connected with auxiliary tank by auxiliary agent feed pipe, and is provided with auxiliary agent feed pump and flowmeter on auxiliary agent feed pipe; Above-mentioned molten-bath mechanism comprises the first molten-bath, the second molten-bath and the 3rd molten-bath, be equipped with agitator, liquid level gauge and liquid level alarm device, and agitator and the liquid level alarm device liquid level gauge all with corresponding is mutually chain in three molten-baths; The resin liquid feed pipe of molten-bath mechanism, resin liquid discharge nozzle and auxiliary agent feed pipe are equipped with flow control valve, all flow control valves are all mutually chain with the liquid level gauge in corresponding molten-bath, and above-mentioned all flow control valves all carry out configuration in DCS system.
Further, the discharge nozzle of described filter is provided with heat exchanger.
Further, in described three molten-baths, spiral heater is equipped with.
Further, described resin liquid discharge nozzle is also connected with the batch turning feed pipe of batch turning pump, and the batch turning discharge nozzle of batch turning pump converges after being connected with the discharge nozzle of filter and is a road and is connected with resin liquid feed pipe.
Further, the top of three described molten-baths is all connected with tail gas recycle tank by gas phase pipeline.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with prior art, has following beneficial effect:
(1) a kind of Petropols granulating slow flushing system of the present utility model, by setting up molten-bath mechanism between filter and granulating system, this molten-bath mechanism comprises three molten-baths, at the resin liquid feed pipe of three molten-baths, resin liquid discharge nozzle and auxiliary agent feed pipe are equipped with flow control valve, all flow control valves are all mutually chain with the liquid level gauge in corresponding molten-bath, and above-mentioned all flow control valves all carry out configuration in DCS system, thus can automatically control the charging of molten-bath and the injection of discharging and product additive according to the height of liquid level in molten-bath, and control three molten-baths and be alternately in charging respectively, discharging and stand-by state, the accurate control to additive addition can be realized, and by the stirring of agitator, C5 Petropols liquid can be mixed with between additive and fully react.In the utility model by three molten-baths with the use of, ensure that the time of staying of resin liquid and the stability of resin liquid, charging for granulating system provides good cushioning effect, therefore, when fluctuation occurs stripper stripping system, still can maintain the stable of subsequent granulation system and run continuously.
(2) a kind of Petropols granulating slow flushing system of the present utility model; spiral heater is equipped with in three molten-baths; thus make material maintain uniform temperature, the oligomer between phase buffer and solvent are steamed recovery more up hill and dale, further ensure that the quality of product.
(3) a kind of Petropols granulating slow flushing system of the present utility model; the resin liquid discharge nozzle of its molten-bath mechanism is also connected with the batch turning feed pipe of batch turning pump; and the batch turning discharge nozzle of batch turning pump converges after being connected with the discharge nozzle of filter and is a road and is connected with resin liquid feed pipe; therefore when causing naval stores performance to change due to material change intermediate link problem; when can not meet instructions for use, part resin liquid can be made to be sent to slack tank by this batch turning pump.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Petropols granulating slow flushing system of the present utility model.
Label declaration in schematic diagram:
1, stripper; 2, filter; 3, heat exchanger; 401, the first molten-bath; 402, the second molten-bath; 403, the 3rd molten-bath; 404, resin liquid feed pipe; 405, resin liquid discharge nozzle; 5, auxiliary tank; 501, auxiliary agent feed pump; 502, auxiliary agent feed pipe; 6, batch turning pump; 601, batch turning feed pipe; 602, batch turning discharge nozzle; 7, resin liquid extraction pump; 8, granulating system.
Detailed description of the invention
For understanding content of the present utility model further, now in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment 1
As shown in Figure 1; a kind of Petropols granulating slow flushing system of the present embodiment; comprise stripper 1, filter 2, molten-bath mechanism, auxiliary tank 5, batch turning pump 6 and granulating system 8; wherein; discharging opening bottom stripper 1 is connected with the feed pipe of filter 2; the discharge nozzle of filter 2 is connected with the resin liquid feed pipe 404 of molten-bath mechanism, and is provided with heat exchanger 3 on the discharge nozzle of filter 2.Above-mentioned molten-bath mechanism is connected with auxiliary tank 5 by auxiliary agent feed pipe 502, and is provided with auxiliary agent feed pump 501 and flowmeter on auxiliary agent feed pipe 502; The resin liquid discharge nozzle 405 of molten-bath mechanism is connected with the feed pipe of resin liquid extraction pump 7, and the discharge nozzle of resin liquid extraction pump 7 is connected with granulating system 8.Petropols enter filter 2 and filter after stripper 1 carries out stripping process, and carry out heat exchange process by heat exchanger 3.Resin liquid after heat exchange process enters in molten-bath mechanism, and inject product additive by auxiliary agent feed pipe 502 to molten-bath mechanism, carry out modification to resin liquid, the resin liquid after modification then enters granulating system 8 carry out granulation process through resin liquid extraction pump 7 extraction.
The molten-bath mechanism of the present embodiment comprises the first molten-bath 401, second molten-bath 402 and the 3rd molten-bath 403, agitator, liquid level gauge and liquid level alarm device is equipped with in three molten-baths, and agitator and the liquid level alarm device liquid level gauge all with corresponding is mutually chain, above-mentioned liquid level counts far transmission level meter, Real-Time Monitoring can be carried out to the liquid level of molten-bath mechanism, and when the liquid level of molten-bath mechanism reaches setting value, can report to the police by automatic liquid level control warning device, and the startup controlling agitator is stirred the in-house resin liquid of molten-bath.At the resin liquid feed pipe 404 of molten-bath mechanism in the present embodiment, resin liquid discharge nozzle 405 and auxiliary agent feed pipe 502 are equipped with flow control valve, above-mentioned flow control valve is all mutually chain with the liquid level gauge in corresponding molten-bath, and all flow control valves all carry out configuration in DCS system, thus the injection of its charging and discharging and additive automatically can be controlled according to the height of liquid level in three molten-baths, realize low liquid level charging, high liquid level fracture, three molten-baths are made alternately to be in charging respectively, discharging and stand-by state, namely ensure at synchronization, a molten-bath in molten-bath mechanism is in feed state, a molten-bath is in stand-by state, a molten-bath is in discharge state.And when the liquid level of feed chamber reaches the high liquid level of setting, start liquid level alarm device to carry out reporting to the police with feed switched still, last feed chamber then changes stand-by state into, simultaneously in conjunction with the filling total amount of the liquid level in this molten-bath and need of production accurate Calculation required product additive, additive is filled in batches in this molten-bath, and start agitator and carry out stirring to make Petropols mix with additive and fully react, thus ensure that the quality index of same batch products is identical.Change feed state into when the liquid level of discharging still reaches the low liquid level of setting, still for subsequent use now then changes discharge state into.The present embodiment by above three molten-baths with the use of, ensure that the time of staying of resin liquid and the stability of resin liquid, charging for granulating system 8 provides good cushioning effect, therefore, when fluctuation occurs stripper 1 stripping system, still can maintain the stable of subsequent granulation system 8 and run continuously.In the present embodiment, the resin liquid discharge nozzle 405 of molten-bath mechanism is also connected with the batch turning feed pipe 601 of batch turning pump 6, and the batch turning discharge nozzle 602 of batch turning pump 6 converges after being connected with the discharge nozzle of filter 2 and is a road and is connected with resin liquid feed pipe 404, therefore when causing naval stores performance to change due to material change intermediate link problem, when can not meet instructions for use, namely part resin liquid can be made to be sent to slack tank by this batch turning pump 6, thus after ensureing last gained granulation, the quality of product meet the demands.Spiral heater is equipped with in above three molten-baths, and the top of three molten-baths is all connected with tail gas recycle tank by gas phase pipeline, thus material can be made to maintain uniform temperature, solidify when preventing material from stopping in molten-bath mechanism, and the oligomer during stand-by state and solvent are steamed more up hill and dale, make it enter tail gas recycle tank by gas phase pipeline, further ensure that the quality of product.
Schematically above be described the utility model and embodiment thereof, this description does not have restricted, and also just one of the embodiment of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (5)
1. a Petropols granulating slow flushing system, comprise stripper (1), filter (2) and granulating system (8), it is characterized in that: also comprise molten-bath mechanism, auxiliary tank (5) and batch turning pump (6), wherein, the discharging opening of described stripper (1) bottom is connected with the feed pipe of filter (2), and the discharge nozzle of filter (2) is connected with the resin liquid feed pipe (404) of molten-bath mechanism; The resin liquid discharge nozzle (405) of described molten-bath mechanism is connected with the feed pipe of resin liquid extraction pump (7), and the discharge nozzle of resin liquid extraction pump (7) is connected with described granulating system (8); Described molten-bath mechanism is also connected with auxiliary tank (5) by auxiliary agent feed pipe (502), and is provided with auxiliary agent feed pump (501) and flowmeter on auxiliary agent feed pipe (502);
Described molten-bath mechanism comprises the first molten-bath (401), the second molten-bath (402) and the 3rd molten-bath (403), in three molten-baths, be equipped with agitator, liquid level gauge and liquid level alarm device, and agitator and the liquid level alarm device liquid level gauge all with corresponding is mutually chain; The resin liquid feed pipe (404) of molten-bath mechanism, resin liquid discharge nozzle (405) and auxiliary agent feed pipe (502) are equipped with flow control valve, all flow control valves are all mutually chain with the liquid level gauge in corresponding molten-bath, and above-mentioned all flow control valves all carry out configuration in DCS system.
2. a kind of Petropols granulating slow flushing system according to claim 1, is characterized in that: on the discharge nozzle of described filter (2), be provided with heat exchanger (3).
3. a kind of Petropols granulating slow flushing system according to claim 1, is characterized in that: in described three molten-baths, be equipped with spiral heater.
4. a kind of Petropols granulating slow flushing system according to any one of claim 1-3; it is characterized in that: described resin liquid discharge nozzle (405) is all connected with the batch turning feed pipe (601) of batch turning pump (6), and the batch turning discharge nozzle (602) of batch turning pump (6) converges after being connected with the discharge nozzle of filter (2) and is a road and is connected with resin liquid feed pipe (404).
5. a kind of Petropols granulating slow flushing system according to claim 4, is characterized in that: the top of described three molten-baths is all connected with tail gas recycle tank by gas phase pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520603574.8U CN204844550U (en) | 2015-08-07 | 2015-08-07 | Petroleum resin granulation buffer system |
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| CN201520603574.8U CN204844550U (en) | 2015-08-07 | 2015-08-07 | Petroleum resin granulation buffer system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116809004A (en) * | 2023-08-30 | 2023-09-29 | 山东邦迪化学制品股份有限公司 | Production device for producing coumarone resin from bisphenol A tar and preparation method thereof |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116809004A (en) * | 2023-08-30 | 2023-09-29 | 山东邦迪化学制品股份有限公司 | Production device for producing coumarone resin from bisphenol A tar and preparation method thereof |
| CN116809004B (en) * | 2023-08-30 | 2023-11-10 | 山东邦迪化学制品股份有限公司 | Production device for producing coumarone resin from bisphenol A tar and preparation method thereof |
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Address after: 238200 Fine Chemical Base of Wujiang Town, Ma'anshan City and County, Anhui Province Patentee after: Anhui Tongxin New Materials Technology Co., Ltd. Address before: 238200 Fine Chemical Base of Wujiang Town, Ma'anshan City and County, Anhui Province Patentee before: ANHUI TONGXIN CHEMICAL ENGINEERING CO., LTD. |