CN204816470U - Production system of roughcasting dimeric acid - Google Patents
Production system of roughcasting dimeric acid Download PDFInfo
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- CN204816470U CN204816470U CN201520444675.5U CN201520444675U CN204816470U CN 204816470 U CN204816470 U CN 204816470U CN 201520444675 U CN201520444675 U CN 201520444675U CN 204816470 U CN204816470 U CN 204816470U
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Abstract
The utility model discloses a production system of roughcasting dimeric acid, the production system includes polymerization facility, acidizing cauldron, filter press and transfer cauldron after to according to process flow in proper order in the past. Polymerization facility includes the polymeric kettle and carries the material device that the polymeric kettle includes the polymeric kettle body and get together the kettle cover that the polymeric kettle is covered and has been offered first feed inlet. It includes storage tank, elevator pump and passage to carry the material device. The one end of passage links to each other with first feed inlet, and the other end of passage links to each other with the discharge gate of storage tank, and the elevator pump setting is on the passage. The transfer cauldron includes the transfer still shell body and contact automatic alarm system has seted up the second feed inlet on the transfer still shell body, and contact automatic alarm device includes level sensor and alarm system. The utility model has the advantages of throw the height that the material is efficient, can automatic monitoring change over to liquid in the cauldron over to.
Description
Technical field
The utility model relates to the preparation field of dimeric dibasic acid, particularly relates to a kind of generation system of rough dimeric dibasic acid.
Background technology
Dimeric dibasic acid, is often referred to dimer (fatty acid) yl, is a kind of mixture of complicated component, gains the name because main component contains two hydroxy-acid groups.Adopt unrighted acid, as oleic acid and linoleic acid are obtained by mutual polymerization etc.Dimeric dibasic acid has excellent heat endurance, and can keep mobility in very wide temperature range.Dimeric dibasic acid is mainly used as synthesizing polyamides at present, and about has half to be used to prepare PUR in the neutral polyamide of synthesis, secondly for the production of ink.
The domestic method preparing dimeric dibasic acid is clay catalytic method, and the method is existing two kinds of techniques: one is fatty acid methyl ester process, and with various fatty acid methyl ester for raw material, montmorillenite is catalyst, with methyl alcohol deoxygenation.This technique advantage be that equipment is simple, easy to operate, product quality is desirable.But catalyst amount is comparatively large, and the purity requirement of methyl alcohol is higher.Another kind is aliphatic acid direct polymerization technique, and employing vegetable oil acid is raw material, and when filling nitrogen, after having reacted, decolouring, filtration, distill, obtain finished product in thin film evaporator.This process recovery ratio is high, steady quality, is the main technique of domestic current production dimeric dibasic acid.
Traditional dimeric dibasic acid production comprises the production of rough dimeric dibasic acid and produces two techniques with smart dimeric dibasic acid.Wherein, the production of rough dimeric dibasic acid is at polymerization stage, and reactant reacts by being manually fed in polymeric kettle usually.It is large, omnidistance by Manual material feeding to there is working strength in this method, and the efficiency that causes feeding intake is low.In addition, rough dimeric dibasic acid proceeds to transfer still when keeping in, and needs the height of the artificial on-line monitoring amount of proceeding to, in order to avoid proceed to excessive and overflow.
Utility model content
The utility model, for the deficiencies in the prior art, provides the generation system that a kind of efficiency that feeds intake is high, automatically can monitor the rough dimeric dibasic acid of the height of liquid in transfer still.
The utility model adopts following technological means to solve the problems of the technologies described above:
A production system for rough dimeric dibasic acid, described production system comprises polyplant, acidifying still, plate and frame filter press and transfer still from front to back successively by technological process; Polyplant comprises polymeric kettle and carries materials device, and described polymeric kettle comprises polymerization kettle and polymerization kettle cover, and described polymeric kettle covers and offers the first charging aperture.Describedly carry one end that materials device comprises the first passage described in storage tank, the first elevator pump and the first passage and be connected with described first charging aperture, the other end of described first passage is connected with the discharging opening of described storage tank, and described first elevator pump is arranged on described first passage.
Described transfer still comprises transfer still shell body and contact automatic alarm system, and described transfer still shell body offers the second charging aperture, and described contact autoalarm comprises the first liquid level sensor and warning system.Described first liquid level sensor is suspended in the internal cavities of described transfer still shell body, and described first liquid level sensor sends induced signal and drives described warning system to send alarm signal.
The utility model has the advantage of: by adopting elevator pump to carry the raw material in material storing box in polymeric kettle, reducing the intensity that workman feeds intake, increasing work efficiency.By liquid level sensor being suspended in the internal cavities of described transfer still shell body, the height of liquid level in on-line monitoring transfer still.When the height turning liquid level in still is higher than setting range, send signal to warning system by liquid level sensor, drive warning system to send alarm signal, prompting staff processes in time.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model embodiment.
Fig. 2 is the structural representation of polyplant in the utility model embodiment.
Fig. 3 is the structural representation of transfer still in the utility model embodiment.
Fig. 4 is the structural representation of centrifugal separating device in the utility model embodiment.
Fig. 5 is the structural representation of pipeline switch filtering device in the utility model embodiment.
Fig. 6 is the structural representation of flange in the utility model embodiment.
Fig. 7 is the structural representation of polycondensation device in the utility model embodiment.
Fig. 8 is the structural representation of filter in the utility model embodiment.
Fig. 9 is the structural representation of distributing device in the utility model embodiment.
Figure 10 is the structural representation of granulation conveying mechanism in the utility model embodiment.
Figure 11 is the structural representation of automatic spraying device in the utility model embodiment.
Figure 12 is the partial perspective view of granulation grading discharge mechanism in the utility model embodiment.
Figure 13 is the structural representation of granulation grading discharge mechanism in the utility model embodiment.
Figure 14 is the structural representation of emission-control equipment in the utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Figure 1, the present embodiment comprises polyplant, acidifying still, plate and frame filter press, transfer still, centrifugal separating device, thin film evaporator, molecular distillation apparatus, pipeline switch filtering device, polycondensation device, filter and granulating system from front to back successively by technological process.Described production system also comprises emission-control equipment and Waste Water Treatment, the waste gas produced in production process carries out decomposing by described emission-control equipment, settlement treatment, described Waste Water Treatment by production process and the waste water that produces of emission-control equipment carry out purified treatment.
Described acidifying still, described plate and frame filter press, described thin film evaporator and described molecular distillation apparatus are existing equipment.
As shown in Figure 2, polyplant comprises polymeric kettle 101 and carries materials device 102, and described polymeric kettle 101 comprises polymerization kettle 1011 and polymerization kettle cover 1012, described polymerization kettle cover 1012 offers the first charging aperture 1013.Described materials device 102 of carrying comprises storage tank 1021, first elevator pump 1022 and the first passage 1023.One end of described first passage 1023 is connected with described first charging aperture 1013, and the other end of described first passage 1023 is connected with the discharging opening of described storage tank 1021, and described first elevator pump 1022 is arranged on described first passage 1023.
As shown in Figure 3, described transfer still comprises transfer still shell body 401 and contact automatic alarm system 402, described transfer still shell body 401 offers the second charging aperture 403, and described contact autoalarm 402 comprises the first liquid level sensor 4021 and warning system 4022.Described first liquid level sensor 402 is suspended in the internal cavities of described transfer still shell body 401, and described first liquid level sensor 4021 sends induced signal and drives described warning system 4022 to send alarm signal.
As shown in Figure 4, described centrifugal separating device comprises centrifuge, separating tank and drainpipe 503.Described centrifuge comprises housing 5011, upper cover 5012, rotary drum 5013, light phase weir 5014, heavy phase weir 5015.Described rotary drum 5013 is arranged on the center of described housing 5011, and described light phase weir 5014 is arranged on the open area at described rotary drum 5013 top, and described heavy phase weir 5015 is arranged on the bottom of described upper cover 5012.Described housing 5011 offers the 3rd charging aperture 5016, first water inlet 5017, light phase export 5018 and heavy out 5019.Described 3rd charging aperture 5016 and described first water inlet 5017 are positioned at the below of described light phase export 5018 and described heavy out 5019.Described upper cover 5012 offers the first row mouth of a river 50110, and the described first row mouth of a river 50110 connects with described drainpipe 503, described drainpipe 503 is provided with the second elevator pump 504.Described separating tank 502 is arranged on the below of described heavy out 5019, is provided with baffle plate 5023 in described separating tank 502, and the bottom of described baffle plate 5023 and the bottom of described separating tank 502 inwall exist gap.
The inwall of described rotary drum 5013 is offered and is equipped with temperature control equipment 5021, described temperature control equipment comprises temperature detector 50211, electronic heater 50212 and heating tube 50213, and the temperature test scope of described temperature detector 50211 is (50-100) DEG C.Its temperature range of water flowed into through described first water inlet 5017 is (85-95) DEG C, and described baffle plate 5023 is welded on the sidewall of described separating tank 502 internal cavities, described separating tank is divided into the first cavity 5021 and the second cavity 5022.Described gap is (1-5) cm, described centrifugal separating device 5 also comprises heavy phase discharge pipe 505, described heavy phase discharge pipe 505 is provided with the 3rd elevator pump 506, described heavy phase discharge pipe 505 one end be connected with described heavy out 5019, the other end of described heavy phase discharge pipe 5023 extends in described first cavity 5021 and (can extend in described second cavity 5022).Described heavy phase discharge pipe 505 is connected with described heavy out 5019, and described separating tank is provided with the universal wheel 5024 that dynamic device stayed by band.
As seen in figs. 5-6, described pipeline switch filtering device comprises the first feed pipe 701, surge tank 702, siphunculus more than first 703, several filtering tanks 704, tube connector 705 and return duct 706.Described return duct 706 is provided with the 4th elevator pump 707.Described siphunculus more than first 703 is three-way pipe, and described three-way pipe is made up of vertical tube 7031 and transverse tube 7032.Described filtering tank 704 comprises the first filtering tank 7041 and the second filtering tank 7042.Described vertical tube 7031 is connected with the discharging opening of described surge tank 702, one end of described transverse tube 7032 is connected with described first filtering tank 7041 by the first flange 708, and the other end of described transverse tube 7031 is connected with described second filtering tank 7042 by the second flange 709.The feeding mouth of described tube connector 705 is connected with the discharging opening of described first filtering tank 7041 (also can be connected with the discharging opening of the second filtering tank 7042) by three-flange 7010, and the discharging opening of described tube connector 705 is connected with described return duct 706 by the 4th flange 7011.Described vertical tube 7031 is also provided with main valve 7033, is provided with point valve 7034 at the two ends of described transverse tube 7031, all flanges include fixed flange 7015, mounting flange 7016 and securing member 7017.Described fixed flange 7015 connects into entirety by described securing member 7017 with described mounting flange 7016, also be provided with sealing gasket 7018 between described fixed flange 7015 and mounting flange 7016, the surface of described sealing gasket 7018 is coated with waterproof, anticorrosive coat (not shown in FIG.).
As shown in Figure 7, described polycondensation device comprises polycondensation vessel 801, Dropping feeder 802, first pipe bundle condenser 803 and the first wireway 804.Described first pipe bundle condenser 803 is connected with the internal cavities of described polycondensation vessel 801 by described first wireway 804, and described Dropping feeder 802 comprises fluid reservoir 8021, catheter 8022 and valve 8023.One end of described catheter 8022 is connected with the discharging opening of described fluid reservoir 8021, and the other end of described catheter 8022 extends in the internal cavities of described polycondensation vessel 801, and described valve 8023 is arranged on described catheter 8022.Be provided with the first deflection plate 805 in described first pipe bundle condenser 803, described first deflection plate 805 is connected with the condenser pipe in described first pipe bundle condenser 803; Described polycondensation vessel 801 comprises polycondensation kettle 8011 and polycondensation kettle cover 8012, and described polycondensation kettle 8011 comprises interior tank body 80111 and outer tank body 80112, described outer tank body 80112 offers the first oil-in and the first oil-out.Cavity place between described interior tank body 80111 and described outer tank body 80112 stores fluid, described kettle cover 8012 offers the 4th charging aperture.Described polycondensation device 8 also comprises automatic temp controller 805, and described automatic temp controller 805 comprises temperature sensor 8051, circulating pipe, circulating pump 8053, electronic valve 8054 and fuel reserve tank 8055.Described temperature sensor 8051 is arranged in described outer tank body 80112, and described circulating pump 8053 and described electronic valve 8054 are all arranged on described circulating pipe.Described fuel reserve tank 8055 offers the second oil-in and the second oil-out, described circulating pipe 8055 comprises oil inlet pipe 80551 and flowline 80552.Described first oil-in is connected by described oil inlet pipe 80551 with described second oil-out, and described first oil-out is connected by described flowline 80552 with described second oil-in.
Described polycondensation device also comprises thermal insulation protection cover 806, and described polycondensation vessel 801 is set in described thermal insulation protection cover 806.Described circulating pump 8053 is arranged on described oil inlet pipe 80551, and described electronic valve 8054 is arranged on described flowline 80552.Described circulating pump 8053 is also provided with power governor 8058.The arranged outside of described thermal insulation protection cover 806 has non-contact inductive warning device 807, and described non-contact inductive warning device 807 comprises infrared sensor, processor and acoustic-optic alarm.The output of described infrared sensor is connected with the input of described processor, and the output of described processor is connected with the input of described acoustic-optic alarm.
As shown in Figure 8, described filter comprises filter 901, second feed pipe 902, first discharge nozzle 903 and oil pipe 904.Described second feed pipe 902 comprises pipe 9021 and the second charging outer tube 9022 in the second charging, and described first discharge nozzle 903 comprises pipe 9031 and the first discharging outer tube 9032 in the first discharging, and the cavity place between interior pipe outer tube corresponding thereto stores fluid.Described second charging outer tube 9022 is connected with one end of described oil pipe 904, and described first discharging outer tube 9032 is connected with the other end of described oil pipe 904.In described first discharging, in pipe 9031 and described second charging, pipe 9021 all communicates with the internal cavities of described filter 901.
Described filter also comprises the 5th flange 905 and the 6th flange 906, described second charging outer tube 9022 is connected by described 5th flange 905 with one end of described oil pipe 904, and described first discharging outer tube 9032 is connected by the 6th flange 907 with the other end of described oil pipe 904.Described oil pipe 904 is also provided with automatic heating device 907, and described heater 907 comprises temperature controller and heater, and described heater is also provided with portable power source interface 908.Described temperature controller comprises display screen and control device, described control device is provided with USB interface 909.Described filter 901 comprises protective housing 9011 and is arranged on the filter assemblies 9012 of described protective housing inside.
As shown in Figure 1, described granulating system comprises granulating mechanism, granulation conveying mechanism and granulation grading discharge mechanism from front to back successively according to technological process.
As shown in figs. 9-10, described granulating mechanism comprises distributing device and transmission device, and described distributing device comprises granulating cylinder 100111 and pellet device 100112.Described pellet device 100112 comprises grain-cutter 1001121 and power transmission shaft 1001122, described grain-cutter 1001121 is set in described power transmission shaft 1001122, the main part of described power transmission shaft 1001122 is housed in the cavity of described granulating cylinder 100111, and the two ends of described power transmission shaft 1001122 are all extended outside the cavity of described granulating cylinder 100111.The bottom of described granulating cylinder 100111 offers several regularly arranged material holes 100113, and the top of described granulating cylinder 100111 offers spout 100114, described material hole 100113, described spout 100114 and described cavity intercommunication.Described transmission device comprises motor 100122, first gear 100121, second gear 100123 and chain 100124, described chain 100124 is set on described first gear 100121 and the second gear 100123, the output shaft of described motor 100122 is connected with described first gear 100121, and described second gear 100123 is connected with the end of described power transmission shaft 1001122.
Described transmission device also comprises Tension gear 100125, and described Tension gear 100125 is between described first gear 100122 and described second gear 100123 and be arranged on the inner side of described chain 100124.The diameter in described material hole 100113 is 0.8mm, and the arranged outside of described spout 100114 has seal cover 100115, and described seal cover 100115 adopts with described spout 100114 and is threaded.Described granulating mechanism also comprises two secondary bracing frames 10013; described two secondary bracing frames 10013 are oppositely arranged; two ends of described granulating cylinder 100111 are arranged on corresponding bracing frame 10013, and described grain-cutter 1001121 is set in described power transmission shaft 1001122 in the shape of a spiral.
As shown in figs. 10-11, described granulation conveying mechanism comprises conveying device, and the particle flowed out through granulating cylinder 100111 transmits by described conveying device.Described conveying device comprises driving wheel 100211, driven pulley 100212 and drapery panel 100213, and described drapery panel 100213 is set on described driving wheel 100211 and driven pulley 100212.Described conveying device also comprises some pieces and pats plate 100214, the described plate 100214 that pats is fixed on lower layer mix feeding plate 100213 perpendicular to the throughput direction of described drapery panel, and the length direction patting plate 100214 described in ensureing parallels with the width of described drapery panel 100213.Several automatic spraying devices 10022 are also provided with in the side of described conveying device.The top of described conveying device is also provided with waste gas collection device, and described waste gas collection device comprises extractor fan 100231 and ventilation shaft 100232.Described extractor fan 100231 is arranged on the top of described granulating cylinder 100111, one end of described ventilation shaft 100232 is connected with described extractor fan 100231, and the length direction that the other end of described ventilation shaft 100231 is parallel to described conveying device extends to the top of described delivery device tip.The bottom of described ventilation shaft 100232 is provided with some row's ventilation holes 100233.
The described length patting plate 100214 is not shorter than the width of described drapery panel 100213, described in pat plate 100214 bottom be coated with smooth layer (not shown in FIG.).The described two ends patting plate 100214 length direction are welded with fixed bar (not shown in FIG.) respectively, and the bottom of described fixed bar fixes on the ground.Described automatic spraying device 10022 comprises shower nozzle 100221, heat inductor, receiver, electric controller, water pump 100222 and water tank 100223.Described shower nozzle 100221 is fixed on the top of described drapery panel 100213, and described heat inductor is distributed in order to test the heat that on drapery panel 100213, particle distributes.The signal that described receiver sends in order to accept described heat inductor, described pneumoelectric controller accepts information that described receiver sends and drives described water pump 100222 to draw water by motor.
As illustrated by figs. 12-13, described granulation grading discharge mechanism comprise scraper 10031, sieve 10032, lower funnel 10033, hair-dryer 10034, separator 10035, second discharge nozzle 10036, floccule gathering-device 10037 and siphunculus more than second 10038.The edge of a knife of described scraper 10031 abuts on the drapery panel 100213 of described delivery device tip, described sieving 10032 is arranged on the below of described scraper 10031 and is fixed on the openend of described lower funnel 10033, the bottom of described lower funnel 10033 with described siphunculus more than second 10038 to being communicated with.The arrival end of described siphunculus more than second 10038 is provided with described hair-dryer 10034, the outlet of described porous pipe line is connected with the entrance of described separator 10035, described separator 10035 offers floccule outlet, the bottom of described separator 10035 offers discharging opening.Described floccule outlet 10035 is connected with described floccule gathering-device 10037 by described second passage 10036.Described second discharge nozzle 10036 is connected with the discharging opening of described separator 10035.The discharge outlet of described separator 10035 is provided with side tool lock 100310, and described second passage 10036 is provided with the 5th elevator pump 100311.
Described sieve 10032 mesh diameter be (0.6-1.1) mm, the openend bore of described lower funnel 10033 and described sieve 10032 equal and opposite in direction.Described side tool lock 100310 comprises striker plate 1003101 and handle of a knife 1003102, one end of described striker plate 1003101 and the discharging opening of described separator 10035 hinged, the other end of described striker plate 1003101 is provided with described handle of a knife 1003102.Described blower fan 10034 is also provided with PCU Power Conditioning Unit 100341, and described PCU Power Conditioning Unit 100341 is transformer.Described granulation grading discharge mechanism also comprises two pieces of fixed heads 10039, and described two pieces of fixed heads 10039 are oppositely arranged on the both sides of the end of described conveying device.Every block fixed block 10039 is provided with groove 100391, the two ends of described scraper 10031 are welded with screw rod 100311 respectively, described screw rod 100311 adopts with described groove 100391 and is slidably connected, every root screw rod 100311 is also arranged with two nuts 100312, nut is close to the both sides of corresponding groove respectively.
As shown in Figure 1, described emission-control equipment comprises high-temperature waste gas treating apparatus, spray cleaning exhaust device and odor removal from front to back successively.
As shown in figure 14, described high-temperature waste gas treating apparatus comprises ventilation tank 12011, second pipe bundle condenser 12012, coil pipe 12013 and refrigeration system 12014.The lower end of described ventilation tank 12011 offers air inlet, described coil pipe 12013 is arranged in the internal cavities of described ventilation tank 12011 in the shape of a spiral, the bottom of described coil pipe 12013 is provided with water inlet, the top of described coil pipe 12013 is provided with delivery port, and the water inlet of described coil pipe 12013 and the delivery port of described coil pipe 12013 all extend to outside the tank body of described ventilation tank 12011.The water inlet of described coil pipe 12013 and the discharge outlet of described refrigeration system 12014 interlink, and the delivery port of described coil pipe 12013 and the water inlet of described refrigeration system 12014 interlink.Described second pipe bundle condenser 12012 is arranged on the top of described ventilation tank 12011, the bottom of described second pipe bundle condenser 12012 is interlinked with the top of described ventilation tank 12011 by the second wireway 12015, and the top of described second pipe bundle condenser 12012 is connected with downtake pipe 12016.
Described spray cleaning exhaust device comprises the first air inlet pipe 12021, at least one spray agent set and second exhaust pipe 12023.The lower end of described spray agent set 12022 offers the first air intake, the top of described spray agent set 12022 offers first row gas port, the inside of described spray agent set is provided with spray equipment 12024, and the lower end of described spray agent set offers waste liquid outlet 10228.The outlet of described first air inlet pipe 12021 is connected with described first air intake, and described first row gas port is connected with described second exhaust pipe 12023.
Described odor removal comprises the 3rd air inlet pipe 12031, deodorizing agent set 12032 and the 3rd blast pipe 12033.The internal cavities of deodorizing agent set 12032 is hung with some pieces of biomembranes 12034.The outlet of described 3rd air inlet pipe 12031 is connected with the air inlet of described deodorizing agent set 12032, and the exhaust outlet of described deodorizing agent set 12032 is connected with described 3rd blast pipe 12031.
The bottom of described ventilation tank 12011 also offers waste liquid outlet, and described high-temperature waste gas treating apparatus also comprises waste collecting device.Described waste collecting device comprises catheter 120181 and waste collection tank 120182, and the top of described waste collection tank 120182 is connected by the waste liquid outlet of described catheter 120181 with described ventilation tank 12011.Described waste collection tank 120182 also offers automatic draining device, described automatic draining device comprises the second liquid level sensor 120191 and electronics lock 120192, described second liquid level sensor 120191 is arranged on the inwall of described waste collection tank 120182, and described electronics lock 120192 is arranged on the leakage fluid dram place of described waste collection tank 12018.Be provided with the second deflection plate 120121 in described second pipe bundle condenser 12012, described second deflection plate 120121 is connected with the condenser pipe in described second pipe bundle condenser 12012.The water side of described coil pipe 12013 is also provided with the 6th and carries material pump 10120131.
Described spray agent set 12022 comprises the first spray agent set 120221, second and sprays agent set 120222 and connect the second air inlet pipe 120223 of described first spray agent set 120221 and the second spray agent set 120222, and described second air inlet pipe 120222 is provided with the 7th elevator pump 12025.
Described biomembrane 12034 comprises adsorption layer 120341, anaerobic layer 120342, aerobic layer 120343 and filter material layer 120344 from outside to inside respectively.
As shown in Figure 1, described Waste Water Treatment comprises settling tank, oil interceptor, anaerobic pond, neutralization pond, flotation tank, first stage precipitation tank, aerobic pond and second-level settling pond from front to back successively by technological process.Waste water is carried out Separation of Solid and Liquid by described settling tank, and waste water is carried out aqueous phase-separation of oil by described oil interceptor.Described oil interceptor is configured with suction pump, described suction pump by isolated waste water lifting in anaerobic pond.Described anaerobic pond decomposes the organic matter in waste water, described neutralization pond carries out neutralisation treatment to the waste water after anaerobic pond process, the bottom of described flotation tank is provided with blowing device, suspended particulate in described flotation tank waste water is blown to liquid level by described blowing device by described flotation tank, and is carried by the waste water below superposed layer and precipitating into described first stage precipitation tank.Nitrated process is carried out to the waste water flowed into wherein in described aerobic pond; The waste water flowed into wherein is carried out sedimentation again by described second-level settling pond.
Be provided with pH adjusting apparatus in described neutralization pond, all piling up in described anaerobic pond and described Aerobic Pond has activated sludge.Described Waste Water Treatment also comprises sludge condensation filter-pressing device and sterilization pool, and described sludge press filtration device carries out dehydration concentration in order to the mud be precipitated out by described second-level settling pond.The water inlet of described sterilization pool is connected with the delivery port of described second-level settling pond, and described second-level settling pond is the one of vertical sedimentation basin, radical sedimentation basin or rectangular sedimentation tank.Described settling tank, described oil interceptor, described anaerobic pond, described neutralization pond, described flotation tank, described first stage precipitation tank, described aerobic pond, described second-level settling pond and described sterilization pool are expoxy glass steel structure water pond, and described sludge press filtration device is configured with Pulp pump.
The production method of the present embodiment comprises the following steps:
1) vegetable oil acid, carclazyte, lithium carbonate and water are added in polymeric kettle, carry out polymerisation;
2) acidifying is carried out by the product press-in acidifying still after polymerization;
3) by plate and frame filter press, the product after acidifying is filtered, obtain rough dimeric dibasic acid;
4) keep in rough dimeric dibasic acid press-in transfer still;
5) rough dimeric dibasic acid is fed in centrifugal separating device, and mix with hot water, carry out centrifugation;
6), in the product feeding thin film evaporator after centrifugation, distill, removing steam;
7) product after thin film evaporator process is fed in molecular distillation apparatus, be separated;
8) surge tank and pre-filtering is entered by the smart dimeric dibasic acid feeding pipeline switch filtering device obtained after separation;
9) product press-in polycondensation vessel pre-filtering obtained, drips ethylenediamine simultaneously and carries out polycondensation reaction;
10) by filter, the product after polycondensation reaction is filtered;
11) carry out granulation by the product feeding granulating system after filtration, obtain product.
Described step 1) in the vegetable oil acid that the uses one that is behenic acid or cotton oil acid, the mass ratio of described vegetable oil acid, described carclazyte, described lithium carbonate and described water is 100:10:0.5:1.5; The reaction temperature of described polymerisation is 230 DEG C, and the reaction time of polymerisation is (3-4) h;
Described step 2) in the acidulant that uses be phosphoric acid, described phosphoric acid and product quality after described polymerization are than being 3:100; Reaction process is: acidificatoin time is 1h, and reaction temperature is (150-180) DEG C;
Described step 5) in add water temperature be (85-95) DEG C;
Described step 6) vapourizing temperature be 160 DEG C;
Described step 7) separation temperature be 230 DEG C, vacuum is below 30Pa;
Described step 9) in dimeric dibasic acid after pre-filtering be 1:1 with the mol ratio of ethylenediamine, react and comprise following several stages:
8.1) the dimeric dibasic acid heating period, heating-up temperature is (125-133) DEG C;
8.2) the dropping stage of ethylenediamine, time for adding is (25-35) min;
8.3) intensification polycondensation phase, temperature rises to (190-205) DEG C;
8.4) the constant temperature stage, temperature controls as (215-225) DEG C; The isothermal reaction time is (3-4) h;
8.5) decompression phase, reduces pressure under 5mmHg.
The present embodiment, by being added in polymeric kettle 101 by vegetable oil acid, carclazyte, lithium carbonate and water, carries out polymerisation, and the heavy metal ion in adsorption reaction thing, then carry out acidifying by the product press-in acidifying still after polymerization; By plate and frame filter press, the product after acidifying is filtered, obtain rough dimeric dibasic acid, keep in rough dimeric dibasic acid press-in transfer still.By feeding rough dimeric dibasic acid in centrifugal separating device, and mix with hot water, carry out centrifugation, the product after centrifugation feeds in thin film evaporator and molecular distillation apparatus successively, carries out distilling, being separated, obtains smart dimeric dibasic acid.The smart dimeric dibasic acid feeding obtained after distillation is entered people's surge tank 702 and pre-filtering tank 704 to pipeline switch filtering device; The product press-in polycondensation vessel 801 pre-filtering obtained, drips ethylenediamine simultaneously and carries out polycondensation reaction; By filter, the product after polycondensation reaction is filtered again; Carry out granulation by the product feeding granulating system after filtration, obtain product.The high temperature organic exhaust gas that thin film evaporator and molecular distillation apparatus evaporate by the present embodiment and steam carry out condensation by high-temperature waste gas treating apparatus, condensed waste liquid flows into collection in waste collection tank 120182, purification, the gas of discharging after condensation together enters spray cleaning exhaust device with the organic exhaust gas that granulation produces and carries out double purification, dedusting, then discharges after odor removal decomposes.The waste water produced in production all flows into Waste Water Treatment and processes.Concrete technology is as follows: first waste water is carried out Separation of Solid and Liquid through settling tank by the waste water produced in production, then through described oil interceptor, waste water is carried out aqueous phase-separation of oil.Described oil interceptor is configured with suction pump, described suction pump by isolated waste water lifting in anaerobic pond.Described anaerobic pond decomposes the organic matter in waste water, described neutralization pond carries out neutralisation treatment to the waste water after anaerobic pond process, the bottom of described flotation tank is provided with blowing device, suspended particulate in described flotation tank waste water is blown to liquid level by described blowing device by described flotation tank, and is carried by the waste water below superposed layer and precipitating into described first stage precipitation tank.Waste water after first stage precipitation tank precipitation flows into described aerobic pond, carries out nitrated process; Waste water after the process of aerobic pond flows in second-level settling pond, carries out sedimentation again.Sludge press filtration device carries out dehydration concentration in order to the mud be precipitated out by described second-level settling pond.Waste water after second-level settling pond process flows in described sterilization pool, after carrying out disinfection, discharges.
The foregoing is only the preferred embodiment that the utility model is created; do not create in order to limit the utility model; the any amendment done within all spirit of creating at the utility model and principle, equivalent to replace and improvement etc., all should be included within protection domain that the utility model creates.
Claims (1)
1. a production system for rough dimeric dibasic acid, comprises acidifying still, plate and frame filter press; It is characterized in that, described production system also comprises polyplant and transfer still; Described polyplant, acidifying still, plate and frame filter press and transfer still set gradually from front to back by technological process;
Described polyplant comprises polymeric kettle and carries materials device, and described polymeric kettle comprises polymerization kettle and polymerization kettle cover, and described polymeric kettle covers and offers the first charging aperture; Described materials device of carrying comprises storage tank, the first elevator pump and the first passage; One end of described first passage is connected with described first charging aperture, and the other end of described first passage is connected with the discharging opening of described storage tank, and described first elevator pump is arranged on described first passage;
Described transfer still comprises transfer still shell body and contact automatic alarm system, and described transfer still shell body offers the second charging aperture, and described contact autoalarm comprises the first liquid level sensor and warning system; Described first liquid level sensor is suspended in the internal cavities of described transfer still shell body, and described first liquid level sensor sends induced signal and drives described warning system to send alarm signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520444675.5U CN204816470U (en) | 2015-06-25 | 2015-06-25 | Production system of roughcasting dimeric acid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444675.5U CN204816470U (en) | 2015-06-25 | 2015-06-25 | Production system of roughcasting dimeric acid |
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| CN204816470U true CN204816470U (en) | 2015-12-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984697A (en) * | 2015-06-25 | 2015-10-21 | 安庆市虹泰新材料有限责任公司 | Producing system and method for rough dimer acid |
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2015
- 2015-06-25 CN CN201520444675.5U patent/CN204816470U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984697A (en) * | 2015-06-25 | 2015-10-21 | 安庆市虹泰新材料有限责任公司 | Producing system and method for rough dimer acid |
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