CN203591807U - Chlorination reaction device for ACM (Acrylic CPE Modifier) production - Google Patents

Chlorination reaction device for ACM (Acrylic CPE Modifier) production Download PDF

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Publication number
CN203591807U
CN203591807U CN201320805615.2U CN201320805615U CN203591807U CN 203591807 U CN203591807 U CN 203591807U CN 201320805615 U CN201320805615 U CN 201320805615U CN 203591807 U CN203591807 U CN 203591807U
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reactor
chlorination reaction
chlorine
reaction device
blade
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CN201320805615.2U
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丁龙
徐峰
孙爱光
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SHANDONG RIKE RUBBER AND PLASTIC TECHNOLOGY Co Ltd
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SHANDONG RIKE RUBBER AND PLASTIC TECHNOLOGY Co Ltd
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Abstract

The utility model relates to a chlorination reaction device for ACM (Acrylic CPE Modifier) production. The chlorination reaction device is characterized in that heating and cooling equipment comprises a hot water circulation pump, a circulating water pipe, a steam inlet device and a cooling water supplementing device, wherein a heating and cooling jacket is arranged at the vertical part and the bottom part of the outer wall of a reactor body; the heating and cooling jacket adopts a dual-layer structure; a spiral fluid groove is formed in the middle of the jacket; the inlet and the outlet of the spiral fluid groove are respectively communicated with the two ends of the circulating water pipe; the cooling water supplementing device, the hot water circulating pump and the steam inlet device are sequentially arranged at a section of the circulating water pipe, located from the outlet connecting end of the spiral fluid groove to the inlet connecting end of the spiral fluid groove; a baffle parallel to the vertical inner wall is arranged in the reactor body; an agitation blade on a rotary shaft in the reactor body is divided into three layers, a narrow impeller type blade is on the upper layer, a wide impeller type blade is on the intermediate layer, a wide wing type axial flow blade is on the lower layer, and chlorine inlet equipment is arranged at the bottom of the reactor body. The chlorination reaction device enables the reaction temperature of material in the reactor and the introducing amount of liquid chlorine to be more accurate, and the mixing dispersity of the material is better.

Description

Chlorination reaction device during a kind of ACM produces
Technical field
The utility model relates to technical field of chemical, is specifically related to the chlorination reaction device in a kind of ACM production.
Background technology
Haloflex-alkyl acrylate interpenetrating network copolymer (being ACM) is formed by haloflex (being CPE) and alkyl acrylate copolymer, water method is produced the product property of ACM and is depended primarily on following three factors: the one, and the molecular weight of material polyethylene, molecular weight distribution, degree of crystallinity, density, grain shape, particle size etc., directly affect heat endurance, intensity and the percentage elongation of haloflex.The 2nd, chlorination degree (chlorination rate), the chlorinty (32% ± 2,35% ± 2,40% ± 2) of haloflex has determined its physical property, as flame retardancy, oil resistivity, heat-proof aging and cold resistance etc.The 3rd, the technology of chlorination reaction, depth of chlorination, in chlorination reaction process, temperature, pressure, logical chlorine dose three's relation has determined design feature (residual crystallinity) and the physical property of CPE product.
The molecular structure of haloflex has identical backbone structure with material polyethylene, just the part hydrogen atom on backbone c atoms is replaced by chlorine atom, the state of aggregation of haloflex molecule gradually changes with the raising of chlorination degree, the introducing of polarity chlorine atom has destroyed the regularity of polyethylene structure, and polyethylene changes loose unbodied rubber into by the plastics of highly crystalline.Distribution situation according to chlorine atom on main chain, haloflex has two kinds of typical structures: one is chlorine atom random being uniformly distributed as amorphous elastomer (residual crystallinity is approximately 0) on strand; Another kind is that to be random inhomogeneous block distributed be rigid plastics (retaining certain residual crystallinity) to chlorine atom.
But in actual industrial production, chlorination reaction high density polyethylene (HDPE) used (HDPE) is all by certain molecular weight distribution high molecular polymer, and particle diameter not quite identical, but deposit within limits, want to reach above-mentioned desirable chlorination effect in rational control reaction process the parameter such as reaction pressure, reaction temperature, logical chlorine speed, the version of chlorination reaction device and mixing reactor is also a very important aspect.Practice and theory all prove, the admixture of HDPE in chlorination reactor, reaction pressure, reaction temperature, logical chlorine speed directly determines efficiency and the properties of product of chlorination reaction, but the chlorination reaction device ubiquity HDPE of application in industry at present, chlorine mixing of materials is even not, solid phase in reactor, liquid phase, three of gas phases are mixed dispersed bad, even particle distribution, chlorination reaction heat shifts out rapid not, be easier to cause local reaction excess Temperature in reactor to cause the defects such as materials from bonding, affect the quality of the ethlyene dichloride that chlorination reaction obtains, and then affect the product quality of haloflex-alkyl acrylate interpenetrating network copolymer (being ACM).
Summary of the invention
Technical problem to be solved in the utility model, be exactly for the existing deficiency of above prior art, and a kind of ACM chlorination reaction device in producing proposed, this chlorination reaction device makes solid phase in reactor, liquid phase, three of gas phases are mixed dispersiveness and are significantly improved, reaction mass HDPE, chlorine can effectively disperse, even particle distribution, make reactor heating, cooling effectiveness significantly improves, for the temperature of HDPE and the substitution reaction of chlorine chemistry, the control of liquid chlorine intake is more accurate, avoid local reaction excess Temperature to cause materials from bonding, make the ACM product chlorination uniformity and chloride precision higher, improve product quality.
The utility model scheme is achieved by the following technical measures:
A chlorination reaction device during ACM produces, comprises corrosion-resistant closed reactor tank body, mixing plant, heating-cooling apparatus, enter chlorine equipment, reactor tank body upper end is provided with feed pipe, enter compressed air hose, waste discharge tracheae, agitating device comprises stirring motor, rotating shaft, stirring vane, stirring motor is located at outside, reactor tank body upper end, and rotating shaft connects the stirring vane in stirring motor and tank body, and its feature is that heating-cooling apparatus comprises hot water circulating pump, circulating water pipeline, enter steam unit, cooling water supplementary device, reactor tank wall vertical portion and bottom are also provided with heating cooling jacket, heating cooling jacket is double-decker, in the middle of chuck, be provided with screw type fluid slot, the import of screw fluid groove and outlet communication loop waterpipe two ends respectively, are provided with cooling water supplementary device by screw fluid groove outlet link to import link on circulating water pipeline successively, hot water circulating pump, enter steam unit, be provided with the baffle plate parallel with vertical inner wall in reactor tank body, the stirring vane in tank body in rotating shaft is divided into three layers, upper strata is narrow leaf slurry formula blade, middle level is wide leaf slurry formula blade, and bottom is wide leaf aerofoil profile axial blade, and reactor tank base is provided with into chlorine equipment.
The double-deck spacing of above-described heating cooling jacket is 80-120mm, and the slot pitch of screw type fluid slot is 20-30cm, and well width is 0.8 times of interlayer spacing, and the groove ascent stage becomes 30-45 ° with level.
The narrow leaf slurry formula blades installation on above-described upper strata is at rotating shaft epimere, and quantity is 2-4 sheet, and length of blade is the laterally interior 0.2-0.35 to diameter times of reactor.
The wide leaf slurry formula blades installation in above-described middle level is in rotating shaft stage casing, and quantity is 2-4 sheet, and length of blade is the laterally interior 0.2-0.35 to diameter times of reactor.
The wide leaf aerofoil profile axial blade of above-described bottom is arranged on rotating shaft bottom end, and quantity is 2-4 sheet, and length of blade is the laterally interior 0.2-0.35 to diameter times of reactor.
The above baffle plate is fixedly connected with the bearing being welded on reactor inwall by bolt, baffle number is 4-8, the width of each baffle plate is 0.05-1.0 times of trans D in reactor, and length is the 70-85% of the perpendicular straight section height of reactor tank body, is 5-15cm apart from the distance of reactor inwall.
Above-described cooling water supplementary device comprises overflow launder, condensate draining, condensate pump, circulating water pipeline is communicated with isopipe root water inlet pipe and condensate draining outlet pipe by screw fluid groove outlet link successively to a section of hot water circulating pump, overflow launder top outlet pipe is communicated with condensate draining water inlet pipe, and condensate draining outlet pipe is provided with condensed water by-pass valve control, condensate pump.
The above enters steam unit and comprises steam control valve, air inlet pipe, steam heater, steam heater is located on the recirculated water official road in the middle of circulating water pipeline outlet and hot water circulating pump, air inlet pipe is communicated with steam heater, and air inlet pipe is provided with steam control valve.
Above-described enter chlorine equipment comprise into chlorine pipe, electromagnetic flowmeter, liquid chlorine by-pass valve control, multistage check (non-return) valve, enter chlorine pipe coupled reaction still tank base, enter in the direction of chlorine pipe orientating reaction still tank base junction and be provided with successively electromagnetic flowmeter, liquid chlorine control valve, multistage check (non-return) valve.
The beneficial effects of the utility model are: the design of reacting kettle jacketing spiral deflector can greatly improve reactor heating and cooling efficiency, HDPE chlorination reaction heat can be shifted out in time, avoided the too high phenomenon that causes product materials from bonding of local temperature in reactor; Three kinds of dissimilar each spontaneous its unique performances of stirring vane combination, making solid phase in reactor, liquid phase, three of gas phases mix dispersiveness significantly improves, reaction mass HDPE, chlorine can effectively disperse, and even particle distribution can effectively be carried out HDPE chlorination substitution reaction; Barrier width and suitably adjusting with chlorination reaction still inwall distance, had both reduced the mixed liquor flow resistance of material in reactor and water, saved energy consumption, had avoided again reactor center to produce Maelstrom, HDPE was mixed inhomogeneous with chlorine.By the forced circulation ability of heating-cooling apparatus, reactor heating, cooling effectiveness are significantly improved, more accurate for the temperature control of the chemical substitution reaction of HDPE and chlorine; Liquid chlorine automatic gauge enters chlorine device and can make logical chlorine precision reach 0.01 ㎏ by electromagnetic liquid chlorine flow meter, and the ACM product chlorination uniformity and chloride precision are significantly improved, and has improved the quality of ACM product.
Accompanying drawing explanation
Fig. 1 is the structure connection diagram of the chlorination reaction device during a kind of ACM described in the utility model produces;
In figure, 1 be wherein reactor tank body, 2 is rotating shaft, 3 is heating cooling jacket, 4 is baffle plate, 5 is screw type fluid slot, 6 is wheel hub, 7 is narrow leaf slurry formula blade, 8 is wide leaf slurry formula blade, 9 is wide leaf aerofoil profile axial blade, 10 is stirring motor, 11 is steam heater, 12 is hot water circulating pump, 13 is electromagnetic flowmeter, 14 is condensate draining, 15 is overflow launder, 16 is steam control valve, 17 is liquid chlorine control valve, 18 is circulating water pipeline, 19 feed pipes, 20 for entering compressed air hose, 21 is waste discharge tracheae, 22 is condensed water by-pass valve control, 23 is condensate pump, 24 is multistage non-return valve.
The specific embodiment
In order to make the technical solution of the utility model clearer, the utility model is further described with embodiment below in conjunction with accompanying drawing.
As shown in Figure 1, chlorination reaction device during a kind of ACM produces, comprise corrosion-resistant closed reactor tank body 1, mixing plant, heating-cooling apparatus, enter chlorine equipment, reactor tank body upper end is provided with feed pipe 19, enter compressed air hose 20, waste discharge tracheae 21, agitating device comprises stirring motor 10, rotating shaft 2, stirring vane, stirring motor is located at reactor tank body 1 outside, upper end, rotating shaft 2 connects the stirring vane in stirring motor 10 and tank body, its feature is that heating-cooling apparatus comprises hot water circulating pump 12, circulating water pipeline 18, enter steam unit, cooling water supplementary device, reactor tank body 1 outer wall vertical portion and bottom are also provided with heating cooling jacket 3, heating cooling jacket 3 is double-decker, in the middle of chuck, be provided with screw type fluid slot 5, 5 imports of screw fluid groove and outlet communication loop waterpipe 18 two ends respectively, on circulating water pipeline 18, be provided with successively cooling water supplementary device by exporting link with screw fluid groove 5 to import link, hot water circulating pump 12, enter steam unit, in reactor tank body 1, be provided with the baffle plate parallel with vertical inner wall 4, stirring vane in tank body in rotating shaft is divided into three layers, upper strata is narrow leaf slurry formula blade 7, middle level is wide leaf slurry formula blade 8, bottom is wide leaf aerofoil profile axial blade 9, reactor tank body 1 bottom is provided with into chlorine equipment.
The double-deck spacing of above-described heating cooling jacket 3 is 80-120mm, and the slot pitch of screw type fluid slot 5 is 20-30cm, and well width is 0.8 times of interlayer spacing, and the groove ascent stage becomes 30-45 ° with level.
The narrow leaf slurry formula blade 7 on above-described upper strata is arranged on rotating shaft 2 epimeres, and quantity is 2-4 sheet, and length of blade is the laterally interior 0.2-0.35 to diameter times of reactor.
The wide leaf slurry formula blade 8 in above-described middle level is arranged on rotating shaft 2 stage casings, and quantity is 2-4 sheet, and length of blade is the laterally interior 0.2-0.35 to diameter times of reactor.
The wide leaf aerofoil profile axial blade 9 of above-described bottom is arranged on rotating shaft 2 bottom end, and quantity is 2-4 sheet, and length of blade is the laterally interior 0.2-0.35 to diameter times of reactor.
The above baffle plate 4 is fixedly connected with the bearing being welded on reactor inwall by bolt, baffle plate 4 quantity are 4-8, the width of each baffle plate 4 is 0.05-1.0 times of trans D in reactor, length is the 70-85% of the perpendicular straight section height of reactor tank body, is 5-15cm apart from the distance of reactor inwall.
Above-described cooling water supplementary device comprises overflow launder 15, condensate draining 14, condensate pump 23, circulating water pipeline 18 exports link by screw fluid groove 5 and is communicated with successively overflow launder 15 bottom water inlet pipes and condensate draining 14 outlet pipes to a section of hot water circulating pump 12, overflow launder 15 top outlet pipes are communicated with condensate draining 14 water inlet pipes, and condensate draining 14 outlet pipes are provided with condensed water by-pass valve control 22, condensate pump 23.
The above enters steam unit and comprises steam control valve 16, air inlet pipe, steam heater 11, steam heater 11 is located on the recirculated water official road 18 in the middle of circulating water pipeline outlet and hot water circulating pump 12, air inlet pipe is communicated with steam heater 11, and air inlet pipe 11 is provided with steam control valve 16.
Above-described enter chlorine equipment comprise into chlorine pipe, electromagnetic flowmeter 13, liquid chlorine by-pass valve control 17, multistage check (non-return) valve 24, enter chlorine pipe coupled reaction still tank base, enter in the direction of chlorine pipe orientating reaction still tank base junction and be provided with successively electromagnetic flowmeter 13, liquid chlorine control valve 17, multistage check (non-return) valve 24.
When this chlorination reaction device work, when reactor is lowered the temperature, steam off control valve 16, open cold Condensate Controlling Equipment valve 22, start condensate pump 23, condensed water enters circulating water pipeline 18 by condensate draining 14 outlet pipes, pass through successively hot water circulating pump 12, steam heater 16, enter screw fluid groove 5 by recirculated water delivery port, flow around reactor tank body, enter circulating water pipeline 18 water inlets by 5 outlets of screw fluid groove, along with continuing to the interior water filling of circulating water pipeline 18 of condensate pump 22, the interior unnecessary water of circulating water pipeline 18 enters overflow launder 15 by overflow launder water inlet pipe, after overflow launder 15 is full, overflow back condensate draining 14 by pipeline, cooling, guarantee that the circulating water temperature in circulating water pipeline 18 does not raise, guarantee the cooling-down effect of reactor.When reactor is heated up, close condensed water by-pass valve control 22, close condensate pump 23, open steam control valve 16, start hot water circulating pump 12, high-temperature steam mixes with recirculated water in steam heater 11, circulating water temperature is raise, hot water circulating pump 12 makes recirculated water form the interior circulation of circulating water pipeline 18 and spiral overflow launder 5, the temperature that can raise rapidly in reactor, along with steam continue pass into, it is stable that the temperature of recirculated water keeps, guarantee the temperature stabilization in reactor, along with steam continues to the interior water filling of circulating water pipeline 18, the interior unnecessary water of circulating water pipeline 18 enters overflow launder 15 by overflow launder water inlet pipe, after overflow launder 15 is full, overflow back condensate draining 14 by pipeline, guarantee the pressure stability in circulating water pipeline 18, after completion of the reaction, steam off by-pass valve control 16, hot water circulating pump 12.

Claims (9)

1. the chlorination reaction device in ACM production, comprises corrosion-resistant closed reactor tank body, mixing plant, heating-cooling apparatus, enter chlorine equipment, reactor tank body upper end is provided with feed pipe, enter compressed air hose, waste discharge tracheae, agitating device comprises stirring motor, rotating shaft, stirring vane, stirring motor is located at outside, reactor tank body upper end, and rotating shaft connects the stirring vane in stirring motor and tank body, it is characterized in that: heating-cooling apparatus comprises hot water circulating pump, circulating water pipeline, enter steam unit, cooling water supplementary device, reactor tank wall vertical portion and bottom are also provided with heating cooling jacket, heating cooling jacket is double-decker, in the middle of chuck, be provided with screw type fluid slot, the import of screw fluid groove and outlet communication loop waterpipe two ends respectively, are provided with cooling water supplementary device by screw fluid groove outlet link to import link on circulating water pipeline successively, hot water circulating pump, enter steam unit, be provided with the baffle plate parallel with vertical inner wall in reactor tank body, the stirring vane in tank body in rotating shaft is divided into three layers, upper strata is narrow leaf slurry formula blade, middle level is wide leaf slurry formula blade, and bottom is wide leaf aerofoil profile axial blade, and reactor tank base is provided with into chlorine equipment.
2. the chlorination reaction device in a kind of ACM production according to claim 1, it is characterized in that: the double-deck spacing of described heating cooling jacket is 80-120mm, the slot pitch of screw type fluid slot is 20-30cm, well width is 0.8 times of interlayer spacing, and the groove ascent stage becomes 30-45 ° with level.
3. the chlorination reaction device in a kind of ACM production according to claim 1, is characterized in that: the narrow leaf slurry formula blades installation on described upper strata is at rotating shaft epimere, and quantity is 2-4 sheet, and length of blade is the laterally interior 0.2-0.35 to diameter times of reactor.
4. the chlorination reaction device in a kind of ACM production according to claim 1, is characterized in that: the wide leaf slurry formula blades installation in described middle level is in rotating shaft stage casing, and quantity is 2-4 sheet, and length of blade is the laterally interior 0.2-0.35 to diameter times of reactor.
5. the chlorination reaction device in a kind of ACM production according to claim 1, it is characterized in that: the wide leaf aerofoil profile axial blade of described bottom is arranged on rotating shaft bottom end, quantity is 2-4 sheet, and length of blade is the laterally interior 0.2-0.35 to diameter times of reactor.
6. the chlorination reaction device in a kind of ACM production according to claim 1, it is characterized in that: described baffle plate is fixedly connected with the bearing being welded on reactor inwall by bolt, baffle number is 4-8, the width of each baffle plate is 0.05-1.0 times of trans D in reactor, length is the 70-85% of the perpendicular straight section height of reactor tank body, is 5-15cm apart from the distance of reactor inwall.
7. the chlorination reaction device in a kind of ACM production according to claim 1, it is characterized in that: described cooling water supplementary device comprises overflow launder, condensate draining, condensate pump, circulating water pipeline is communicated with isopipe root water inlet pipe and condensate draining outlet pipe by screw fluid groove outlet link successively to a section of hot water circulating pump, overflow launder top outlet pipe is communicated with condensate draining water inlet pipe, and condensate draining outlet pipe is provided with condensed water by-pass valve control, condensate pump.
8. the chlorination reaction device in a kind of ACM production according to claim 1, it is characterized in that: enter steam unit and comprise steam control valve, air inlet pipe, steam heater, steam heater is located on the recirculated water official road in the middle of circulating water pipeline outlet and hot water circulating pump, air inlet pipe is communicated with steam heater, and air inlet pipe is provided with steam control valve.
9. the chlorination reaction device in a kind of ACM production according to claim 1, it is characterized in that: the described chlorine equipment that enters comprises into chlorine pipe, electromagnetic flowmeter, liquid chlorine by-pass valve control, multistage check (non-return) valve, enter chlorine pipe coupled reaction still tank base, enter in the direction of chlorine pipe orientating reaction still tank base junction and be provided with successively electromagnetic flowmeter, liquid chlorine control valve, multistage check (non-return) valve.
CN201320805615.2U 2013-12-10 2013-12-10 Chlorination reaction device for ACM (Acrylic CPE Modifier) production Expired - Lifetime CN203591807U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104307455A (en) * 2014-10-28 2015-01-28 成都冠禹科技有限公司 Industrial reaction kettle suitable for feed liquid of chemical industry and medicine
CN105664812A (en) * 2016-04-07 2016-06-15 江苏浩特隆搅拌设备有限公司 Enamel kettle baffle device
CN105771733A (en) * 2016-03-22 2016-07-20 苏州涣霖智能科技有限公司 Wind-heat vertical type organic fertilizer stirring hopper
CN105861821A (en) * 2016-06-06 2016-08-17 青岛智瑞生物有限公司 Biological gold leaching combined testing machine
CN106975427A (en) * 2017-05-03 2017-07-25 江苏必领能源科技有限公司 Energy-saving reactor system
WO2021120280A1 (en) * 2019-12-16 2021-06-24 重庆理工大学 Dynamic and static-combined stirring system and process for preparing chromium salt by chromite liquid phase oxidation

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104307455A (en) * 2014-10-28 2015-01-28 成都冠禹科技有限公司 Industrial reaction kettle suitable for feed liquid of chemical industry and medicine
CN104307455B (en) * 2014-10-28 2015-12-09 成都冠禹科技有限公司 A kind of industrial reaction still being applicable to chemical industry and medical feed liquid
CN105771733A (en) * 2016-03-22 2016-07-20 苏州涣霖智能科技有限公司 Wind-heat vertical type organic fertilizer stirring hopper
CN105771733B (en) * 2016-03-22 2018-07-27 苏州涣霖智能科技有限公司 The vertical organic fertilizer of anemopyretic stirs hopper
CN105664812A (en) * 2016-04-07 2016-06-15 江苏浩特隆搅拌设备有限公司 Enamel kettle baffle device
CN105861821A (en) * 2016-06-06 2016-08-17 青岛智瑞生物有限公司 Biological gold leaching combined testing machine
CN106975427A (en) * 2017-05-03 2017-07-25 江苏必领能源科技有限公司 Energy-saving reactor system
CN106975427B (en) * 2017-05-03 2023-07-18 江苏必领能源科技有限公司 Energy-saving reaction kettle system
WO2021120280A1 (en) * 2019-12-16 2021-06-24 重庆理工大学 Dynamic and static-combined stirring system and process for preparing chromium salt by chromite liquid phase oxidation

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