Unpowered enhanced reaction system

Abstract

The utility model belongs to the technical field of ethoxylation reactors, and particularly relates to an unpowered enhanced reaction system which is characterized in that an outer circulation pipeline II is arranged in parallel with an outer circulation pipeline I, and a heat exchanger II and a mother liquor circulation pump II are arranged on the outer circulation pipeline II; first short-circuit pipes are arranged at the inlet end and the outlet end of the first heat exchanger, first short-circuit valves are arranged on the first short-circuit pipes, first medium valves are arranged on a medium outflow pipe of the first heat exchanger, first thermometers are arranged on an outlet pipe of the first heat exchanger, and the first short-circuit valves, the first medium valves and the first thermometers are in interlocking control. A second short-circuit valve is arranged on the second short-circuit pipe, a second medium valve is arranged on a medium outflow pipe of the second heat exchanger, a second thermometer is arranged on an outlet pipe of the second heat exchanger, and the second short-circuit valve, the second medium valve and the second thermometer are in interlocking control. The utility model has the beneficial effects that the double external circulation pipelines are provided with the external circulation heat exchangers with different thermal loads, so that accurate temperature control can be realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of ethoxylation reactor, especially relates to a non -power enhanced reaction system. BACKGROUND

[0002] Ethoxylation product belongs to non -ionic surfactant, it is a very important organic chemical raw material, its application can cover almost all fine chemical field, holds the important position in the field such as textile, printing and dyeing, chemical fibre, dyestuff, medicine, pesticide, chemical fertilizer, rubber, plastic, food, papermaking, leather, daily use chemical, coating, metal processing, environmental protection, building concrete water reducing agent, oil production industry. Non -ionic surfactant usually also with different structure anionic surfactant compound use, to exert its synergistic effect.

[0003] The process of ethoxylation device, whether producing alcohol ether, producing polyether and special polyether, all has same or similar production process, i. e. by preprocessing reaction unit (by catalyst, starting agent is activated to generate material with catalytic performance, i. e. the reaction system of the application), ethoxylation reaction unit (starting agent is reacted with ethylene oxide or propylene oxide to generate corresponding ether), post-processing reaction unit and filtration (the reaction product is finally treated or neutralized to generate product meeting the specification, and some products need to be filtered) are composed.

[0004] Xu Zhiyang of China International Engineering Corporation has published the paper "Process Review of Ethoxylation Device", introduces the production process of ethoxylation, and compares and analyzes the process, equipment and automatic control of the ethoxylation device currently used in China, introduces the combined ethoxylation process, and is summarized as follows:

[0005] (1) the ethoxylation process combined with stirring and spraying, which is derived from the stirred tank reactor, and the reactor is increased with circulating spray mixer on the basis of the original stirring reactor, thereby increasing the gas-liquid contact surface and improving the reaction rate and product quality.

[0006] (2) the ethoxylation process combined with stirrer and venturi mixer, which is a kind of ethoxylation device combined with stirrer and venturi mixer, which is developed by combining the advantages of venturi mixer and the characteristics of stirring reactor. The reactor can adapt to the reaction process with great viscosity change and can be used in the production of high viscosity products.

[0007] (3) The ethoxylation process combining a spray mixer and a Venturi mixer is an ethoxylation reactor that incorporates the advantages of the Venturi mixer in the BUSS process, based on the spray mixing reactor. This reactor adds a Venturi mixer to the external circulation loop, allowing unreacted ethylene oxide in the reactor head space to be drawn into the material and participate in the reaction, thereby shortening the reaction maturation stage time and reducing the E0 content in the neutralized exhaust gas.

[0008] (4) The ethoxylation process of Venturi and spray combination is an ethoxylation reactor that is mainly based on Venturi mixing and supplemented by spray mixer combination.

[0009] The pretreatment reaction tank is a stirred reactor that supplies gaseous, liquid, and solid reactants for reaction. The mother liquor is fed through a circulating discharge pump, an external circulating heater (heat remover), and the reactor to form an external circulation pipeline. Continuously optimizing the internal structure of the ethoxylation reactor to improve reaction efficiency, and ensuring more thorough mixing of gaseous, liquid, or gaseous, liquid, and solid substances, has always been a perpetual research topic in the industry. Utility Model Content

[0010] The purpose of this invention is to provide a non-powered enhanced reaction system that overcomes the shortcomings of existing technologies. The system consists of a hydraulically stirred reactor, external circulation pipeline 1, and external circulation pipeline 2. In the middle and lower sections of the hydraulically stirred reactor, liquid-phase hydraulic nozzles are combined with atomizing nozzles at the top. The liquid flow from the hydraulic nozzles pushes the liquid and solid phases at the bottom of the hydraulically stirred reactor upward, forming vertical and horizontal liquid flows respectively. This enhances the mixing effect of gaseous, liquid, and solid phases and improves the conversion efficiency of gaseous epoxides.

[0011] To achieve the above objectives, this utility model employs the following technical solution:

[0012] The application relates to a kind of unpowered reinforced reaction systems, including hydraulic agitation reactor and outer circulation pipeline one, outer circulation pipeline one is equipped with heat exchanger one and mother liquor circulating pump one, hydraulic agitation reactor is equipped with the reaction zone in upper portion and the liquid collection zone in lower portion, the connecting place of reaction zone and liquid collection zone is equipped with cap cover, and reaction zone is communicated with liquid collection zone by cap cover;The feed inlet of hydraulic agitation reactor is equipped with venturi mixer, the inlet of venturi mixer is connected with mother liquor main pipe, the bottom of liquid collection zone is connected with mother liquor circulating pipe, the top of reaction zone is equipped with atomizing nozzle, and the top of hydraulic agitation reactor is equipped with tail gas pipe, and the outer circulation pipeline two is connected with outer circulation pipeline one in parallel, and the outer circulation pipeline two is equipped with heat exchanger two and mother liquor circulating pump two;The both ends of inlet and outlet of heat exchanger one are equipped with short circuit pipe one, short circuit pipe one is equipped with short circuit valve one, the medium outlet pipe of heat exchanger one is equipped with medium valve one, the outlet pipe of heat exchanger one is equipped with temperature table one, and short circuit valve one, medium valve one and temperature table one are interlocked control;The both ends of inlet and outlet of heat exchanger two are equipped with short circuit pipe two, short circuit pipe two is equipped with short circuit valve two, the medium outlet pipe of heat exchanger two is equipped with medium valve two, the outlet pipe of heat exchanger two is equipped with temperature table two, and short circuit valve two, medium valve two and temperature table two are interlocked control;The heat load of heat exchanger one and heat exchanger two is same or different.

[0013] Further, the middle part of the reaction zone is equipped with a horizontal ring pipe, the inlet of the horizontal ring pipe is connected with the feed inlet of the hydraulic agitation reactor through a feed pipe, and a plurality of horizontal circulating hydraulic nozzles are arranged on the horizontal ring pipe; the lower part of the reaction zone is equipped with a cross pipe, and a plurality of vertical circulating hydraulic nozzles are arranged on the cross pipe; the horizontal circulating hydraulic nozzles and the vertical circulating hydraulic nozzles are all venturi mixed flow nozzles.

[0014] Further, the atomizing nozzle is arranged on a linear and / or annular spray pipe, the linear spray pipe is arranged on the top of the reaction zone, and the annular spray pipe is arranged on the side wall of the gas phase space of the reaction zone.

[0015] Further, the cap cover comprises a top cap and a cover cylinder, the top cap and the cover cylinder are connected through a connecting rod, a liquid flow channel is formed between the top cap and the cover cylinder, the surface of the cover cylinder is provided with an outward convex bending belt, and the bottom of the cover cylinder is provided with an outlet hole.

[0016] Further, the atomizing nozzle is connected with a first mother liquor inlet pipe, one end of the cross pipe is connected with a second mother liquor inlet pipe, and the first mother liquor inlet pipe and the second mother liquor inlet pipe are respectively connected with a mother liquor main pipe.

[0017] Further, the low-pressure side of the venturi mixer is respectively provided with a gas phase material inlet and a liquid phase material inlet.

[0018] Further, the gas phase material inlet is communicated with the top of the hydraulic agitation reactor through a gas phase balance pipe, and a valve is arranged on the gas phase balance pipe.

[0019] Compared with the prior art, the utility model has the beneficial effects that

[0020] 1) by setting the same or different heat load size outside circulation heat exchanger in double -way outer circulation pipeline, the reaction system is carried out accurate temperature control, can effectively control reaction temperature, guarantees the reaction safety;

[0021] 2) in the middle section and the lower section of the reaction zone, two -stage liquid phase hydraulic jet is combined with the atomizing jet on the top, the liquid flow of the hydraulic jet pushes the liquid phase and solid phase in the bottom of the reaction zone to flow upwards, forms the hydraulic stirring area in the vertical direction and the horizontal direction respectively, strengthens the mixing effect of gas phase, liquid phase and solid phase material, improves the conversion efficiency of gas phase alkylidene;

[0022] 3) the feed inlet of the hydraulic stirring reactor is connected with the venturi mixer, the low pressure side of the venturi mixer is provided with gas phase and liquid phase connecting port, it is favorable to enhance the mixing efficiency of gas phase-liquid phase, the gas phase is entered from the low pressure side of the venturi mixer, can keep the low pressure state in the reactor, and the system is safer;

[0023] 4) two -stage liquid phase hydraulic jet can effectively control the reaction temperature in the reactor, avoids that the system temperature is too high or too low (leads to the accumulation of alkylidene), can more effectively control the temperature and pressure parameters of the reaction system;

[0024] 5) the system is suitable for the reaction process of various vapor (gas) / liquid, liquid / liquid, vapor (gas) / liquid / solid and the like. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the process flow schematic diagram of the utility model embodiment;

[0026] Figure 2 It is the internal structure schematic diagram of the hydraulic stirring reactor in the utility model embodiment;

[0027] Figure 3 It is the three -dimensional structure schematic diagram of the ring pipe in the utility model embodiment;

[0028] Figure 4 It is the cross pipe structure schematic diagram in the utility model embodiment;

[0029] Figure 5 It is Figure 4 the plan view of

[0030] Figure 6 It is the cap cover structure schematic diagram in the utility model embodiment;

[0031] In the figure: 1-reaction zone, 2-liquid collection zone, 3-cap, 4-horizontal ring tube, 5-feeding pipe, 6-feeding port, 7-horizontal circulating hydraulic jet, 8-cross pipe, 9-vertical circulating hydraulic jet, 10-bracket, 11-outflow hole, 12-atomizing jet, 13-first mother liquor inlet pipe, 14-second mother liquor inlet pipe, 15-venturi mixer, 16-quick flange, 17-tail gas pipe, 18-mother liquor circulating pipe, 19-cleaning manhole, 20-annular jet pipe, 21-mother liquor main pipe, 22-outer circulating pipeline I, 23-outer circulating pipeline II, 24-gas phase balance pipe, 25-heat exchanger I, 26-mother liquor circulating pump I, 27-heat exchanger II, 28-mother liquor circulating pump II, 29-short pipe I, 30-short circuit valve I, 31-medium valve I, 32-thermometer I, 33-short pipe II, 34-short circuit valve II, 35-medium valve II, 36-thermometer II, 37-hydraulic stirring reactor, 38-top cap, 39-cylinder, 40-connecting rod, 41-bent belt. DETAILED DESCRIPTION

[0032] The technical solutions of the present application will be described below in connection with specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the specific embodiments required in the description of the specific embodiments or the prior art will be briefly introduced. Obviously, the specific embodiments described below are some embodiments of the present application, and those skilled in the art can obtain other specific embodiments without creative labor on the basis of these specific embodiments.

[0034] The components of the embodiments of the present application described and shown in the embodiments herein can be arranged and designed in countless different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the embodiments is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application.

[0035] See Figures 1-6The utility model relates to a kind of unpowered intensified reaction system embodiment process flow schematic diagram, including hydraulic agitation reactor 37 and outer circulation pipeline one 22, outer circulation pipeline one 22 is equipped with heat exchanger one 25 and mother liquor circulating pump one 26, and the upper reaction zone 1 and lower liquid collection zone 2 are equipped in hydraulic agitation reactor 37, and the connecting place of reaction zone 1 and liquid collection zone 2 is equipped with cap cover 3, the feed inlet of hydraulic agitation reactor 37 is equipped with venturi mixer 15, the inlet of venturi mixer 15 is connected with mother liquor main pipe 21, the bottom of liquid collection zone 2 is connected with mother liquor circulating pipe 18, and the top of reaction zone 1 is equipped with atomizing nozzle 12, the top of hydraulic agitation reactor 37 is equipped with tail gas pipe 17, side wall is equipped with cleaning manhole 19, and outer circulation pipeline two 23 is equipped in parallel with outer circulation pipeline one 22, and outer circulation pipeline two 23 is equipped with heat exchanger two 27 and mother liquor circulating pump two 28;The inlet and outlet of heat exchanger one 25 are equipped with short-circuit pipe one 29, short-circuit pipe one 29 is equipped with short-circuit valve one 30, the medium outflow pipe of heat exchanger one 25 is equipped with medium valve one 31, the outlet pipe of heat exchanger one 25 is equipped with temperature table one 32, short-circuit valve one 30, medium valve one 31 and temperature table one 32 are interlocked control;The inlet and outlet of heat exchanger two 27 are equipped with short-circuit pipe two 33, short-circuit pipe two 33 is equipped with short-circuit valve two 34, the medium outflow pipe of heat exchanger two 27 is equipped with medium valve two 35, the outlet pipe of heat exchanger two 27 is equipped with temperature table two 36, short-circuit valve two 34, medium valve two 35 and temperature table two 36 are interlocked control.

[0036] The middle part of reaction zone 1 is equipped with horizontal ring pipe 4, and the horizontal ring pipe 4 is connected with feed inlet 6 on the top head of shell through feed pipe 5, and a plurality of horizontal circulating hydraulic nozzles 7 are arranged on the horizontal ring pipe 4;The lower part of reaction zone is equipped with cross pipe 8, and a plurality of vertical circulating hydraulic nozzles 9 are arranged on the cross pipe 8;The horizontal circulating hydraulic nozzles 7 and the vertical circulating hydraulic nozzles 9 are venturi mixed flow nozzles. The horizontal ring pipe 4 and the cross pipe 8 are connected with corresponding pipelines through quick flange 16.

[0037] The top of cap cover 3 is connected with the cross pipe 8 through support 10. The reaction zone 1 and the liquid collection zone 2 are communicated through the cap cover 3, and the cap cover 3 comprises top cap 38 and cover cylinder 39, the top cap 38 and the cover cylinder 39 are connected through connecting rod 40, the liquid flow channel is formed between the top cap 38 and the cover cylinder 39, the cover cylinder surface is provided with outward convex bending belt 41, the bottom of the cover cylinder 39 is provided with outflow hole 11, the outflow hole 11 is used for making the mother liquor quickly enter the reactor from the bottom before the reaction starts, and simultaneously can reduce the solid material entering the liquid collection zone as far as possible during the reaction. The cap cover 3 can effectively avoid that solid material falls to the bottom outlet of the liquid collection zone 2 and blocks the bottom outlet during the feeding process of solid material, and cooperates with the vertical circulating hydraulic nozzles 9 to make the solid material fully suspended in the liquid phase.

[0038] The atomizing nozzle 12 arranged in the gas phase space in the hydraulic stirring reactor 37 makes the mother liquor form fine diameter droplets, improves the contact efficiency between the mother liquor and the gas phase, and further improves the reaction efficiency and the raw material conversion rate, and avoids the system pressure accumulation. The hydraulic nozzles on the loop pipe 4 and the cross pipe 8 can further strengthen the mass transfer and heat transfer of the reaction substances. Through the above process, the efficient reaction in the gas phase space and the liquid phase space in the hydraulic stirring reactor 37 can be realized.

[0039] The atomizing nozzle 12 is arranged on a linear and / or annular spray pipe. The linear spray pipe is arranged at the top of the reaction zone, and the annular spray pipe 20 is arranged on the side wall of the gas phase space of the reaction zone 1. The atomizing nozzle 12 can be any one of a solid cone-shaped nozzle, a hollow cone-shaped atomizing nozzle and a fan-shaped linear nozzle. The atomizing nozzle 12 is connected with the first mother liquor inlet pipe 13; one end of the cross pipe 8 is connected with the second mother liquor inlet pipe 14, and the first mother liquor inlet pipe 13 and the second mother liquor inlet pipe 14 are respectively connected with the mother liquor main pipe 21. The annular spray pipe 20 is also connected with the mother liquor main pipe 21 through a pipeline.

[0040] The low-pressure side of the Venturi mixer 15 is respectively provided with a gas phase material inlet Jc, a liquid phase material inlet Jb and a mother liquor inlet Ja. According to different systems, the reactor gas phase control valve can be opened during or at the end of the reaction process, and the gas-liquid contact strengthening mass transfer process can be realized by using the Venturi mixer 15.

[0041] The embodiment of the utility model can realize the gas / vapor / liquid system reaction, the gas / vapor / liquid / solid system reaction and the liquid / solid system reaction process based on the homogeneous or heterogeneous catalysis. Through the optimization of the hydraulic stirring design, the heat transfer and mass transfer efficiency is improved, the traditional stirrer is replaced by the "unpowered" hydraulic stirring, the traditional mechanical sealing component is cancelled, and the safety of the reaction system and the reliability of the equipment are greatly improved. The Venturi mixer 15 is arranged at the feed inlet of the hydraulic stirring reactor 37, the raw material and the raw material-catalyst configuration liquid are brought into the hydraulic stirring reactor 37 through the low-pressure side of the Venturi mixer 15 by using the flow rate of the circulating mother liquor, and meanwhile, the uniform mixing can be realized.

[0042] In the gas / vapor phase space of the upper part of the hydraulic stirring reactor 37, the reaction process is that the liquid phase droplets are uniformly dispersed in the gas / vapor, cover the dead angle of the gas / vapor space, realize the capture of the gas, the atomized fine droplets fully react with the escaped gas material in the gas / vapor space, and the reaction efficiency is improved.

[0043] In the liquid phase space in the middle part of the hydraulic stirring reactor, after the preliminary mixing by the Venturi mixer, the raw materials participating in the reaction are dispersed into the liquid phase again by the horizontal circulating hydraulic nozzles 7 by using the residual pressure at the outlet of the Venturi mixer 15, and the hydraulic stirring in the horizontal direction in the middle part of the hydraulic stirring reactor 37 is realized, and the reaction efficiency of the gas (vapor) phase space is further improved.

[0044] In the liquid phase space in the lower part of the hydraulic stirring reactor, the up-down direction hydraulic stirring is formed by the cross pipe 8 and the vertical circulating hydraulic nozzles 9, and the lower raw materials are constantly pushed upwards to the middle section to contact and react with the raw materials, and the vertical direction force is formed with the horizontal stirring in the middle part to strengthen the overall disturbance. The vertical circulating hydraulic nozzles 9 on the cross pipe 8 form the vertical direction (i.e. up and down in the axial direction of the reactor) hydraulic stirring. For the solid phase reaction system, the double-layer disturbance is formed by the utility model, the solid can be avoided from depositing, and is fully dispersed into the liquid phase space, and the reaction efficiency is improved.

[0045] In the embodiment of the utility model, the ethoxylation reaction system is taken as an example, and the reaction process is as follows: in the raw material A feeding stage, the raw material A is added into the hydraulic stirring reactor 37 according to the reaction ratio first by the bottom mother liquor circulating pipe 18, so that the liquid phase circulation of the system can be established, the mother liquor circulating pump one 26 is opened, the heat exchanger one 25 on the outer circulating pipeline one 22 is passed, the system is preheated in the initial stage, and the system reaches the reaction initiation temperature.

[0046] In the catalyst C feeding stage, the catalyst C is brought into the reaction system by the Jb port of the Venturi mixer 15, the catalyst C can be added into the hydraulic stirring reactor 37 in one time in advance, or can be added in a certain proportion according to the ratio of the raw material A / B in the reaction process, or can be added in different amounts in batches according to the reaction stage, or can be added in different catalysts according to different reaction stages and product requirements, and the like.

[0047] In the raw material B feeding reaction stage, after the system temperature and the catalyst amount meet the reaction conditions, the raw material B control valve is opened, the raw material is mixed into the F2 stream by the Venturi mixer 15, and then enters the reactor. The raw material is uniformly dispersed into the reactor by the horizontal ring pipe 4, and the horizontal direction hydraulic stirring is formed; if B is a gas raw material, the raw material is uniformly released into the liquid phase by the horizontal circulating hydraulic nozzles 7.

[0048] After the raw material B enters the reactor, the raw material B is rapidly released due to the pressure reduction, small bubbles are formed, and the mass transfer and heat transfer are strengthened; the unreacted materials escaping into the gas phase space due to the properties of the raw material B, the F1 stream passing through the atomizing nozzle 12 by the first mother liquor inlet pipe 13, and the circulating mother liquor is atomized into small liquid to capture the reactants in the gas phase.

[0049] The F3 flow of the second mother liquor into the vertical circulating hydraulic nozzle 9 at the bottom of the hydraulic agitation reactor 37 can disturb the raw material in the liquid phase, enhance the reaction efficiency, and enhance the mass and heat transfer, and if there is solid in the system, the vertical disturbance can make the solid fully suspended. The concentration of the solid in the liquid phase of the system can be maximized to about 50%.

[0050] The gas phase material inlet Jc is connected to the top of the hydraulic agitation reactor 37 through the gas phase balance pipe 24, and the valve on the gas phase balance pipe 24 is opened when the pressure in the hydraulic agitation reactor is increased, and the gas is discharged with the F4 flow, which can achieve the purpose of pressure relief, and the re-mixing of the gas phase and the liquid phase can be enhanced through the Venturi mixer 15, and the reaction can be promoted.

[0051] At the end of the reaction, the liquid raw material feeding valve on the Jb port is closed, and the gas phase Jc pipe port is opened, the low gas pressure formed at the throat diameter of the Venturi mixer 15 makes the gas phase pipe port accelerate to dissolve into the liquid phase for further reaction, and when there is no fluctuation in the gas pressure in the reactor, it indicates that the raw material in the gas phase has been completely reacted, the utility model improves the reaction conversion rate and reduces the material consumption, and reduces the tail gas emission.

[0052] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A kind of unpowered reinforced reaction system, comprising hydraulic agitation reactor and outer circulation pipeline one, heat exchanger one and mother liquor circulating pump one are equipped on outer circulation pipeline one, reaction zone in upper portion and liquid collection zone in lower portion are equipped in hydraulic agitation reactor, cap is equipped at the junction of reaction zone and liquid collection zone, and reaction zone is communicated with liquid collection zone by cap;Venturi mixer is equipped in the feed inlet of hydraulic agitation reactor, the inlet of venturi mixer is connected with mother liquor main pipe, the bottom of liquid collection zone is connected with mother liquor circulating pipe, atomizing nozzle is equipped in the top of reaction zone, and tail gas pipe is equipped in the top of hydraulic agitation reactor, characterized in that, The outer circulation pipeline two is provided with a heat exchanger two and a mother liquor circulating pump two; the heat exchanger one is provided with a short circuit valve one on the short connecting pipe one; the heat exchanger one is provided with a medium valve one on the medium outflow pipe; the heat exchanger one is provided with a temperature table one on the outlet pipe; the short circuit valve one, the medium valve one and the temperature table one are interlocked; the heat exchanger two is provided with a short circuit valve two on the short connecting pipe two; the heat exchanger two is provided with a medium valve two on the medium outflow pipe; the heat exchanger two is provided with a temperature table two on the outlet pipe; the short circuit valve two, the medium valve two and the temperature table two are interlocked; the heat loads of the heat exchanger one and the heat exchanger two are the same or different.

2. A self-reinforcing reaction system according to claim 1, wherein, The middle part of the reaction zone is provided with a horizontal ring pipe, the inlet of the horizontal ring pipe is connected with the feed inlet of the hydraulic stirring reactor through a feed pipe, and a plurality of horizontal circulating hydraulic nozzles are arranged on the horizontal ring pipe; the lower part of the reaction zone is provided with a cross pipe, and a plurality of vertical circulating hydraulic nozzles are arranged on the cross pipe; the horizontal circulating hydraulic nozzles and the vertical circulating hydraulic nozzles are all Venturi mixed flow nozzles.

3. A self-powered intensified reaction system as defined in claim 1, wherein, The atomizing nozzle is arranged on a linear and / or annular spray pipe, the linear spray pipe is arranged at the top of the reaction zone, and the annular spray pipe is arranged on the side wall of the gas phase space of the reaction zone.

4. The unpowered intensified reaction system of claim 1, wherein, The cap cover comprises a top cap and a cover barrel, the top cap and the cover barrel are connected through a connecting rod, a liquid flow channel is formed between the top cap and the cover barrel, the surface of the cover barrel is provided with an outward convex bending belt, and the bottom of the cover barrel is provided with an outflow hole.

5. A self-powered intensified reaction system as defined in claim 2, wherein, The atomizing nozzle is connected with a first mother liquor inlet pipe; the inlet of the cross pipe is connected with a second mother liquor inlet pipe; and the first mother liquor inlet pipe and the second mother liquor inlet pipe are respectively connected with a mother liquor main pipe.

6. A self-powered intensified reaction system as defined in claim 1, wherein, The low-pressure side of the Venturi mixer is respectively provided with a gas phase material inlet and a liquid phase material inlet.

7. A self-reinforcing reaction system according to claim 6, wherein, The gas phase material inlet is communicated with the top of the hydraulic stirring reactor through a gas phase balance pipe, and a valve is arranged on the gas phase balance pipe.

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