Chemical reaction kettle of recyclable solution

Abstract

The present application relates to chemical reaction kettle technical field, disclose a kind of chemical reaction kettle of circulating solution, including chemical reaction kettle and solution circulating mechanism, the upper end of chemical reaction kettle is externally fixed and is equipped with upper heat preservation cover, the lower end of chemical reaction kettle is externally fixed and is equipped with lower heat preservation cover, the upper end side of chemical reaction kettle is fixedly connected with feeding pipe and is penetrated through upper heat preservation cover, the lower end bottom of chemical reaction kettle is fixedly connected with discharge pipe and is penetrated through lower heat preservation cover, the upper end side of chemical reaction kettle is fixedly connected with upper connecting pipe and is penetrated through upper heat preservation cover, the lower end side of chemical reaction kettle is fixedly connected with lower connecting pipe and is penetrated through lower heat preservation cover;Solution circulating mechanism includes liquid inlet connecting pipe and liquid outlet connecting pipe.The present application can fully stir solution to make reactant fully mixed, can guarantee that reaction solution is constantly circulated and updated in reaction process, maintains the stability of reaction system;Meanwhile, the full mixing of solution in circulation process is also conducive to improving the uniformity and efficiency of reaction.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of chemical reaction kettles, in particular to a chemical reaction kettle capable of circulating solution. BACKGROUND

[0002] In the field of chemical production, a chemical reaction kettle is a crucial device, and its performance directly affects the efficiency and quality of chemical reactions. The reaction kettle is a commonly used reaction equipment in chemical plants, which mainly uses a motor to drive a stirring shaft to stir the reactants to make them fully react to obtain the required substances. The existing chemical reaction kettle has certain limitations in heat preservation, solution circulation, stirring and mixing, etc., and it is difficult to meet the growing demand for chemical production.

[0003] The existing chemical reaction kettle may not meet the demand for more efficient and fine mixing of solution under complex reaction system, and some devices are difficult to remove complex by-products generated during the reaction during the circulation operation, which may cause the accumulation of by-products in the circulation, affecting the stability of the reaction system and the quality of the product. And it is difficult to mix the solution uniformly and sufficiently in the circulation control process, affecting the uniformity and efficiency of the reaction. Therefore, a corresponding technical solution needs to be designed to solve the problem. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a chemical reaction kettle capable of circulating solution, which solves the technical problems.

[0005] To achieve the above purpose, the present application realizes the following technical scheme: a chemical reaction kettle capable of circulating solution, comprising a chemical reaction kettle and a solution circulation mechanism, the chemical reaction kettle is a split assembly structure, and an upper heat preservation cover is fixedly arranged on the upper end of the chemical reaction kettle, a lower heat preservation cover is fixedly arranged on the lower end of the chemical reaction kettle, an upper feeding pipe is fixedly connected to the upper end side of the chemical reaction kettle through the upper heat preservation cover, a lower feeding pipe is fixedly connected to the lower end bottom of the chemical reaction kettle through the lower heat preservation cover, and an angle plate frame is fixedly arranged on the outer side wall of the lower heat preservation cover. A support plate is fixedly arranged on the lower end of the angle plate frame, and a base is fixedly arranged on the lower end of the support plate.

[0006] An upper connecting pipe is fixedly connected to the upper end side of the chemical reaction kettle through the upper heat preservation cover, and a lower connecting pipe is fixedly connected to the lower end side of the chemical reaction kettle through the lower heat preservation cover.

[0007] The solution circulation mechanism comprises an inlet connecting pipe and an outlet connecting pipe, the inlet connecting pipe is installed on the outer end of the lower connecting pipe through a flange, and the outlet connecting pipe is installed on the outer end of the inlet connecting pipe in an inverted J shape through a flange.

[0008] Preferably, the lower end of the chemical reaction kettle is fixedly provided with an inner heat preservation layer, the inner heat preservation layer is located in the inner part of the lower heat preservation cover, and the inner heat preservation layer and the lower heat preservation cover form a double-layer heat preservation structure; the outer part of the upper heat preservation cover is penetratedly provided with an air pressure gauge, and the outer part of the lower heat preservation cover is penetratedly provided with a temperature gauge; the inner heat preservation layer and the lower heat preservation cover form a double-layer heat preservation structure, which can more effectively reduce heat loss; in the chemical reaction process, many reactions need to be carried out under specific temperature conditions, and the stability of the temperature is crucial for the smooth progress of the reaction and the quality of the product; the double-layer heat preservation structure can better maintain the constant temperature in the reaction kettle, reduce the energy consumption caused by heat loss, and reduce the production cost; at the same time, the stable temperature environment is also conducive to improving the selectivity and yield of the reaction, and ensuring the quality of the product; the air pressure gauge and the temperature gauge facilitate the real-time monitoring of the air pressure and the temperature in the reaction kettle by the operator, timely adjustment of the reaction conditions, and the safe and stable progress of the reaction.

[0009] Preferably, a sleeve is installed at the middle part of the upper end of the chemical reaction kettle, a speed reducer is installed at the upper end of the sleeve, a driving motor is installed above the speed reducer, a driving shaft rod is connected to the bottom of the speed reducer, and the driving shaft rod is connected to the middle part of the sleeve and the chemical reaction kettle; a fixed ring is fixedly arranged on the outer part of the driving shaft rod, and stirring blade plates are fixedly arranged on the side part of the fixed ring; inner partition plates are fixedly arranged on the inner side wall of the chemical reaction kettle; the sleeve is used for safety protection of the driving shaft rod, the driving motor provides power, the rotating speed is adjusted through the speed reducer, the driving shaft rod drives the stirring blade plates to rotate at a suitable speed, the distribution mode of the stirring blade plates can fully stir the solution in the reaction kettle, the reactants are fully mixed, the reaction rate is accelerated, the conversion rate and the selectivity of the reaction are improved, and the occurrence of side reactions is reduced; the inner partition plates are used for changing the flow state of the solution in the reaction kettle, increasing the turbulent degree of the solution, and further promoting the mixing and reaction of the reactants, so as to play a dispersing and blocking role, prevent the solution from generating vortex and dead angle in the stirring process, ensure that the reaction conditions are uniform and consistent at all places in the reaction kettle, improve the reaction efficiency and product quality, and reduce the product difference caused by uneven reaction.

[0010] Preferably, the solution circulating mechanism further comprises a circulating liquid pump, a preliminary purification tank, a circulating liquid tank and a solution mixing tank, the inner end of the circulating liquid pump is fixedly provided with a connecting plate, the connecting plate is fixedly connected to the outer end of the supporting plate, the liquid inlet end of the circulating liquid pump is connected with a liquid suction pipe, and the liquid outlet end of the circulating liquid pump is connected with a pump liquid pipe; the other end of the preliminary purification tank is fixedly connected with an adapter pipe, the lower end of the adapter pipe is fixedly connected with the liquid suction pipe, and the liquid inlet connecting pipe is fixedly connected to the side end of the preliminary purification tank; the connecting plate is used for fixing the circulating liquid pump to the outer end of the supporting plate, the circulating liquid pump is used for pumping liquid through the liquid suction pipe and the pump liquid pipe, and the liquid inlet connecting pipe and the adapter pipe respectively control the water inlet and outlet of the preliminary purification tank.

[0011] Preferably, the upper part of the preliminary purification tank is provided with a sealing cover plate, the bottom of the sealing cover plate is fixedly provided with an end plate, the bottom of the end plate is fixedly connected with filter plate one, filter plate two and filter plate three, and the filter plate one, the filter plate two and the filter plate three are S-shaped and fixedly connected as a whole.

[0012] Preferably, the upper end of the liquid inlet connecting pipe is connected to the upper end of the side of the circulating liquid tank, the bottom of the circulating liquid tank is fixedly provided with a support frame, and the support frame is fixedly arranged on the upper end of the base; the inner upper end of the circulating liquid tank is provided with a positioning tank, the two side ends of the positioning tank are fixedly provided with fixed blocks, the upper end of the liquid inlet connecting pipe penetrates through the circulating liquid tank and is connected to the positioning tank, and the bottom of the positioning tank is fixedly distributed with liquid distribution pipes; the support frame is used for fixing and supporting the circulating liquid tank to the upper end of the base, so that the solution entering the positioning tank can be uniformly distributed, local accumulation of the solution in the circulating liquid tank can be avoided, and the uniformity and stability of the circulating solution can be ensured; meanwhile, the arrangement of the liquid distribution pipes is also beneficial to improving the circulating efficiency of the solution and reducing energy consumption.

[0013] Preferably, the upper end of the circulating liquid tank is connected with a fixed connecting pipe, the side end of the fixed connecting pipe is fixedly connected with an adapter connecting pipe, and the upper end of the adapter connecting pipe penetrates through and is connected to the side of the solution mixing tank; the inner sides of the two ends of the solution mixing tank are fixedly provided with shaft seats, and the shaft seats are fixedly provided with a fixed cross pipe therebetween; the shaft seats and the fixed cross pipe are hollow pipes, and the bottom of the fixed cross pipe is fixedly connected with distributed spray pipes; the fixed connecting pipe and the adapter connecting pipe are used for transferring the solution to the upper end of the circulating liquid tank to the side of the solution mixing tank, and the solution flows to the spray pipes through the hollow pipe structure of the shaft seats and the fixed cross pipe; the circulating solution enters the solution mixing tank in the form of spraying through the spray pipes, the dispersion degree of the solution and the contact area of the solution with other solutions in the tank are increased, and more efficient mixing is achieved.

[0014] Preferably, the fixed column is fixed between the circulating liquid tank and the solution mixing tank; the outer side end of the fixed horizontal pipe is fixedly provided with a fixed tooth disc, the front end of the fixed tooth disc is engagedly connected with a driving gear, the side end of the driving gear is fixedly provided with a driving shaft, the outer end of the driving shaft penetrates through and is rotatably connected with a shaft cylinder, the shaft cylinder penetrates through and is fixedly arranged at the side end of the solution mixing tank, the outer end of the driving shaft is connected with a control motor, and the bottom of the control motor is fixedly provided with a support at the side end of the solution mixing tank; the fixed column is used for fixedly supporting the solution mixing tank at the upper end of the circulating liquid tank, the support is used for fixedly supporting the control motor, the shaft cylinder is used for rotatably supporting the driving shaft, and the control motor and the driving shaft are used for driving and controlling the driving gear to rotate, the driving gear is engaged to control the rotation of the fixed tooth disc, the angle of the fixed horizontal pipe can be finely adjusted in positive and reverse directions, and the driving gear drives the fixed horizontal pipe to rotate slightly under the driving of the control motor, so that the mixing effect of the solution is further enhanced.

[0015] Compared with the prior art, the beneficial effects of the present application are that: by arranging the upper heat preservation cover and the lower heat preservation cover above and below the chemical reaction kettle and the upper feeding pipe and the lower feeding pipe, the feeding and discharging are ensured to be smooth, heat loss is minimized, the safety and stability of the reaction are ensured, and by arranging the mixing control structure at the middle of the chemical reaction kettle, the solution can be fully stirred to fully mix the reactants, and the reaction rate is accelerated;

[0016] By the solution circulating mechanism connected to the outer ends of the upper connecting pipe and the lower connecting pipe, the reaction solution is preliminarily purified and then circulated and pumped, and then is evenly divided and sprayed and mixed by the circulating liquid tank and the solution mixing tank, so that the reaction solution can be continuously circulated and updated during the reaction process, the by-products generated during the reaction can be timely removed, and the stability of the reaction system is maintained; at the same time, the full mixing of the solution during the circulation process is also beneficial to improving the uniformity and efficiency of the reaction. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the overall front upper perspective structure of the present application;

[0018] Figure 2 It is a schematic view of the overall side upper perspective structure of the present application;

[0019] Figure 3 It is a schematic view of the overall rear upper perspective structure of the present application;

[0020] Figure 4 It is a schematic view of the overall front structure of the solution circulating mechanism of the present application;

[0021] Figure 5 It is a schematic view of the overall rear structure of the solution circulating mechanism of the present application;

[0022] Figure 6 It is a schematic view of the circulating liquid tank structure of the present application;

[0023] Figure 7 The preliminary purification tank is the preliminary purification tank of the chemical reaction kettle of the application. Figure 6 The enlarged structure schematic diagram of A in the application.

[0024] Figure 8 The preliminary purification tank is the preliminary purification tank of the chemical reaction kettle of the application.

[0025] Figure 9 The preliminary purification tank is the preliminary purification tank of the chemical reaction kettle of the application.

[0026] Figure 10 The preliminary purification tank is the preliminary purification tank of the chemical reaction kettle of the application.

[0027] Figure 11 The preliminary purification tank is the preliminary purification tank of the chemical reaction kettle of the application.

[0028] Figure 12 The preliminary purification tank is the preliminary purification tank of the chemical reaction kettle of the application. Figure 11 The enlarged structure schematic diagram of B in the application.

[0029] In the figure: 1, chemical reaction kettle; 10, inner partition; 11, upper heat preservation cover; 111, upper feeding pipe; 112, upper connecting pipe; 12, lower heat preservation cover; 121, angle plate frame; 1211, support plate; 122, inner heat preservation layer; 13, lower feeding pipe; 14, base; 15, sleeve pipe; 16, driving motor; 161, speed reducer; 162, driving shaft; 163, fixing ring; 164, stirring blade; 17, air pressure gauge; 18, temperature gauge; 19, lower connecting pipe;

[0030] 2, solution circulating mechanism; 201, connecting plate; 21, circulating liquid pump; 211, liquid pumping pipe; 212, pump liquid pipe; 22, preliminary purification tank; 220, sealing cover plate; 2201, end plate; 2202, filter plate one; 2203, filter plate two; 2204, filter plate three; 221, liquid inlet connecting pipe; 222, adapter pipe; 23, circulating liquid tank; 231, support frame; 232, positioning tank; 2321, liquid equalizing pipe; 233, fixing block; 24, solution mixing tank; 241, liquid outlet connecting pipe; 242, fixed cross pipe; 2421, spraying pipe; 2422, shaft seat; 243, fixed tooth disc; 244, driving gear; 2441, driving shaft; 2442, control motor; 2443, shaft cylinder; 2444, support; 25, fixed connecting pipe; 251, adapter connecting pipe; 26, fixed column. DETAILED DESCRIPTION

[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0032] Please refer to Figures 1-12 The present application provides a technical solution: a chemical reaction kettle of circulating solution, comprising a chemical reaction kettle 1 and a solution circulating mechanism 2, the chemical reaction kettle 1 is a split assembly structure, the split assembly structure is adopted, so that the installation, maintenance and upgrading of the chemical reaction kettle 1 are more convenient, the structure and parameters of each part can be flexibly adjusted according to the actual production demand, the versatility and adaptability of the equipment are improved, the maintenance time is greatly shortened, the maintenance cost is reduced, the production efficiency is improved, and the upper end of the chemical reaction kettle 1 is externally fixed with an upper heat preservation cover 11, the lower end of the chemical reaction kettle 1 is externally fixed with a lower heat preservation cover 12, the upper end side of the chemical reaction kettle 1 is fixedly connected with an upper feeding pipe 111 which penetrates through the upper heat preservation cover 11, the lower end bottom of the chemical reaction kettle 1 is fixedly connected with a lower feeding pipe 13 which penetrates through the lower heat preservation cover 12, the outer side wall of the lower heat preservation cover 12 is fixedly distributed with an angle plate frame 121, the lower end of the angle plate frame 121 is fixedly provided with a support plate 1211, the lower end of the support plate 1211 is fixedly provided with a base 14, so as to ensure the stability and safety of the whole equipment during operation, and reduce the failure and safety hazard caused by equipment vibration;

[0033] The upper end side of the chemical reaction kettle 1 is fixedly connected with an upper connecting pipe 112 which penetrates through the upper heat preservation cover 11, and the lower end side of the chemical reaction kettle 1 is fixedly connected with a lower connecting pipe 19 which penetrates through the lower heat preservation cover 12.

[0034] The solution circulating mechanism 2 comprises a liquid inlet connecting pipe 221 and a liquid outlet connecting pipe 241, the liquid inlet connecting pipe 221 is installed on the outer end of the lower connecting pipe 19 through a flange, and the liquid outlet connecting pipe 241 is installed on the outer end of the upper connecting pipe 112 in an inverted J shape through a flange.

[0035] Further improvement, the lower end of the chemical reaction kettle 1 is fixedly provided with an inner heat preservation layer 122, the inner heat preservation layer 122 is located inside the lower heat preservation cover 12, and the inner heat preservation layer 122 and the lower heat preservation cover 12 form a double-layer heat preservation structure;

[0036] The outer part of the upper heat preservation cover 11 is fixedly connected with a gas pressure gauge 17, and the outer part of the lower heat preservation cover 12 is fixedly connected with a temperature gauge 18.

[0037] The inner thermal insulation layer 122 and the lower thermal insulation cover 12 form a double-layer thermal insulation structure, which can more effectively reduce heat loss. In the chemical reaction process, many reactions need to be carried out under specific temperature conditions. The stability of the temperature is crucial for the smooth progress of the reaction and the quality of the product. The double-layer thermal insulation structure can better maintain the constant temperature in the reaction kettle, reduce the energy consumption caused by heat loss, and reduce the production cost. At the same time, the stable temperature environment is also conducive to improving the selectivity and yield of the reaction, and ensuring the quality of the product. The barometer 17 and the thermometer 18 facilitate the operator to monitor the air pressure and temperature in the reaction kettle in real time, and timely adjust the reaction conditions to ensure the safe and stable progress of the reaction.

[0038] Further improvement, the upper end of the chemical reaction kettle 1 is provided with a sleeve 15, the upper end of the sleeve 15 is provided with a speed reducer 161, the upper end of the speed reducer 161 is provided with a driving motor 16, the bottom of the speed reducer 161 is connected with a driving shaft 162, the driving shaft 162 penetrates the sleeve 15 and the middle of the chemical reaction kettle 1;

[0039] The outer part of the driving shaft 162 is fixedly provided with a fixed ring 163, and the side part of the fixed ring 163 is fixedly provided with a stirring blade plate 164;

[0040] The inner side wall of the chemical reaction kettle 1 is fixedly provided with an inner partition plate 10;

[0041] The sleeve 15 is used for safety protection of the driving shaft 162, the driving motor 16 provides power, the speed is adjusted through the speed reducer 161, the driving shaft 162 drives the stirring blade plate 164 to rotate at a suitable speed, the distribution mode of the stirring blade plate 164 can fully stir the solution in the reaction kettle, so that the reactants are fully mixed, the reaction rate is accelerated, the conversion rate and selectivity of the reaction are improved, and the occurrence of side reactions is reduced; the inner partition plate 10 is used for changing the flow state of the solution in the reaction kettle, increasing the turbulence degree of the solution, further promoting the mixing and reaction of the reactants, playing a dispersing and blocking role, preventing vortex and dead angle of the solution in the stirring process, ensuring that the reaction conditions are uniform and consistent in the reaction kettle, improving the reaction efficiency and product quality, and reducing the product difference caused by uneven reaction.

[0042] Further improvement, the solution circulating mechanism 2 further comprises a circulating liquid pump 21, a preliminary purification tank 22, a circulating liquid tank 23 and a solution mixing tank 24, the inner end of the circulating liquid pump 21 is fixedly provided with a connecting plate 201, the connecting plate 201 is fixedly connected to the outer end of the supporting plate 1211, the liquid inlet end of the circulating liquid pump 21 is connected with a liquid suction pipe 211, and the liquid outlet end of the circulating liquid pump 21 is connected with a pump liquid pipe 212;

[0043] The other end of the preliminary purification box 22 is fixedly connected with an adapter pipe 222, the lower end of the adapter pipe 222 is fixedly connected with the liquid pumping pipe 211, and the liquid inlet connecting pipe 221 is fixedly connected to the side end of the preliminary purification box 22;

[0044] The connecting plate 201 is used for fixing the circulating liquid pump 21 to the outer end of the supporting plate 1211, the circulating liquid pump 21 is used for pumping liquid through the liquid pumping pipe 211 and the pump liquid pipe 212, and the liquid inlet connecting pipe 221 and the adapter pipe 222 control the water inlet and outlet of the preliminary purification box 22 respectively.

[0045] Further improvement, the upper part of the preliminary purification box 22 is provided with a sealing cover plate 220, the bottom of the sealing cover plate 220 is fixedly provided with an end plate 2201, the bottom of the end plate 2201 is fixedly connected with a filter plate one 2202, a filter plate two 2203 and a filter plate three 2204, the filter plate one 2202, the filter plate two 2203 and the filter plate three 2204 are S-shaped and fixedly connected as a whole.

[0046] The design of the multi-layer S-shaped filter plate increases the contact area and contact time of the solution with the filter plate one 2202, the filter plate two 2203 and the filter plate three 2204, buffers the flow, can more effectively filter out impurities and solid particles in the solution, improve the purity of the solution, and ensure the smooth progress of the reaction.

[0047] Further improvement, the upper end of the liquid inlet connecting pipe 221 is connected to the upper end of the side of the circulating liquid tank 23, the bottom of the circulating liquid tank 23 is fixedly provided with a supporting frame 231, and the supporting frame 231 is fixedly provided on the upper end of the base 14.

[0048] The inner upper end of the circulating liquid tank 23 is provided with a positioning tank 232, the two side ends of the positioning tank 232 are fixedly provided with fixed blocks 233, the upper end of the liquid inlet connecting pipe 221 penetrates through the circulating liquid tank 23 and is connected to the positioning tank 232, and the bottom of the positioning tank 232 is fixedly distributed with liquid equalizing pipes 2321.

[0049] The supporting frame 231 is used for fixing and supporting the circulating liquid tank 23 to the upper end of the base 14, can make the solution entering the positioning tank 232 evenly distributed, avoid local accumulation of the solution in the circulating liquid tank 23, ensure the uniformity and stability of the circulating solution; at the same time, the setting of the liquid equalizing pipes 2321 is also conducive to improving the circulating efficiency of the solution and reducing energy consumption.

[0050] Further improvement, the upper end of the circulating liquid tank 23 is fixedly connected with a fixed connecting pipe 25, the side end of the fixed connecting pipe 25 is fixedly connected with an adapter connecting pipe 251, and the upper end of the adapter connecting pipe 251 penetrates through and is connected to the side of the solution mixing tank 24.

[0051] The inner side of the solution mixing box 24 is fixed with shaft seats 2422 at both ends, and a fixed cross pipe 242 is fixed between the shaft seats 2422, both of which are hollow pipes, and the bottom of the fixed cross pipe 242 is fixedly connected with spray pipes 2421 distributed therein;

[0052] The fixed connection pipe 25 and the adapter connection pipe 251 are used to transfer the solution to the upper end of the circulating liquid tank 23 to the side of the solution mixing box 24, and flow to the spray pipes 2421 through the hollow pipe structure of the shaft seats 2422 and the fixed cross pipe 242. The circulating solution enters the solution mixing box 24 in the form of spraying through the spray pipes 2421, which increases the dispersion degree of the solution and the contact area with other solutions in the tank, and realizes more efficient mixing.

[0053] Specifically improved, a fixed column 26 is fixed between the circulating liquid tank 23 and the solution mixing box 24;

[0054] The outer side end of the fixed cross pipe 242 is fixed with a fixed gear disc 243, the front end of which is meshingly connected with a drive gear 244, the side end of which is fixed with a drive shaft 2441, the outer end of which is rotatably connected with a shaft cylinder 2443, which is fixedly arranged at the side end of the solution mixing box 24. The outer end of the drive shaft 2441 is connected with a control motor 2442, and the bottom of the control motor 2442 is fixed with a support 2444 at the side end of the solution mixing box 24;

[0055] The fixed column 26 is used to fixedly support the solution mixing box 24 at the upper end of the circulating liquid tank 23, the support 2444 is used to fixedly support the control motor 2442, the shaft cylinder 2443 is used to rotatably support the drive shaft 2441, the control motor 2442 and the drive shaft 2441 are used to drive the control drive gear 244 to rotate, the drive gear 244 is meshingly connected with the fixed gear disc 243 to rotate, which can finely adjust the angle of the fixed cross pipe 242 in both directions, the drive gear 244 drives the fixed cross pipe 242 to rotate slightly under the drive of the control motor 2442, which further enhances the mixing effect of the solution.

[0056] The material of the filter plate one 2202 is polypropylene, which has high chemical stability, is resistant to acid and alkali, organic solvents, and has low cost, can be sterilized at high temperature, has a filtering precision of 0.1-100 microns, is non-toxic and odorless, and meets the FDA standard;

[0057] The material of the filter plate two 2203 is polytetrafluoroethylene, which has extremely strong chemical resistance and can withstand high temperature of 260℃, has a filtering precision of 0.1-10 microns, and has a long service life, which is suitable for extreme working conditions;

[0058] The material of the filter plate three 2204 is stainless steel, high mechanical strength, high temperature resistance, can withstand 800 DEG C or more, pressure resistance, up to 100 bar, can be repeatedly cleaned and regenerated, filtration accuracy: 1-200 microns, strong durability, suitable for continuous production.

[0059] Working principle: through the feeding pipe 111 into the solution needs to be reacted, the lower discharge pipe 13 is closed state;

[0060] Start drive motor 16 and reducer 161 automatic control drive shaft rod 162 rotation, drive multiple fixed ring 163 and stirring blade 164 mixed solution;

[0061] Circulating liquid pump 21 start, through the liquid pipe 211, from the lower connecting pipe 19 extraction reaction solution, the extracted solution through the liquid inlet connecting pipe 221 into the preliminary purification tank 22, the solution in turn through the filter plate one 2202, filter plate two 2203 and filter plate three 2204, which is S-shaped and connected as a whole, through multilayer filtration, filter out the impurities and solid particles in the solution, improve the solution purity, in time to take away the byproduct of reaction, maintain the stability of the reaction system;

[0062] The solution after preliminary purification through the adapter pipe 222 and liquid pump 211, pump liquid pipe 212 into the positioning tank 232 in the circulating liquid tank 23, and then through the liquid distribution pipe 2321 at the bottom of the positioning tank 232 evenly distributed to the circulating liquid tank 23, to avoid local accumulation of solution, ensure the uniformity and stability of the circulating solution;

[0063] The solution in the circulating liquid tank 23 is connected to the side of the solution mixing tank 24 through the fixed connecting pipe 25 and the adapter connecting pipe 251, enters the hollow tube structure of the shaft seat 2422 and the fixed horizontal pipe 242, the control motor 2442 is started, the drive shaft 2441 drives the drive gear 244 to rotate, the drive gear 244 meshes with the control fixed gear 243 to rotate, which can fine tune the angle of the fixed horizontal pipe 242, further enhance the mixing effect of the solution, the solution enters the solution mixing tank 24 in the form of spray from the spray pipe 2421 at the bottom of the fixed horizontal pipe 242, increase the dispersion degree and contact area of the solution, realize efficient mixing;

[0064] The mixed solution is returned to the upper connecting pipe 112 of the chemical reaction kettle 1 through the liquid outlet connecting pipe 241, and reenters the reaction kettle to participate in the reaction, realizes the solution circulation, improves the reaction uniformity and efficiency.

[0065] The foregoing merely illustrates the principles of the application and application of its leading features. This application is not limited to the illustrative embodiments shown and described herein. Rather, this application is capable of operating within a further range of conditions and environments than those specifically described herein, and further modifications can be made without departing from the spirit or scope of the application. Accordingly, the description is to be construed as illustrative only and not restrictive of the broad disclosure or application of the application. The specification and drawings are, accordingly, to be regarded simply as illustrative and with the scope of the application being measured by the appended claims, and not with the specification. No admission is made that any reference constitutes prior art. It is my intent, therefore, to be limited only as appears in the following claims.

[0066] Furthermore, it should be understood that although the description above relates to embodiments, not every embodiment contains only one independent technical solution, and the description above is only for the sake of clarity, and those skilled in the art should understand the description as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A chemical reaction kettle of circulating solution, comprising a chemical reaction kettle (1) and a solution circulating mechanism (2), characterized in that: The chemical reaction kettle (1) is a split assembly structure, and the upper end of the chemical reaction kettle (1) is externally fixed with an upper heat preservation cover (11), and the lower end of the chemical reaction kettle (1) is externally fixed with a lower heat preservation cover (12), the upper end side of the chemical reaction kettle (1) is fixedly connected with an upper feeding pipe (111) penetrating through the upper heat preservation cover (11), and the lower end bottom of the chemical reaction kettle (1) is fixedly connected with a lower feeding pipe (13) penetrating through the lower heat preservation cover (12), and the outer side wall of the lower heat preservation cover (12) is fixedly distributed with an angle plate frame (121), and the lower end of the angle plate frame (121) is fixedly provided with a support plate (1211), and the lower end of the support plate (1211) is fixedly provided with a base (14); The upper end side of the chemical reaction kettle (1) is fixedly connected with an upper connecting pipe (112) penetrating through the upper heat preservation cover (11), and the lower end side of the chemical reaction kettle (1) is fixedly connected with a lower connecting pipe (19) penetrating through the lower heat preservation cover (12); The solution circulating mechanism (2) comprises a liquid inlet connecting pipe (221) and a liquid outlet connecting pipe (241), the liquid outlet connecting pipe (241) is installed on the outer end of the lower connecting pipe (19) through a flange, and the liquid outlet connecting pipe (241) is installed on the outer end of the upper connecting pipe (112) in an inverted J shape through a flange; The solution circulating mechanism (2) comprises a liquid inlet connecting pipe (221) and a liquid outlet connecting pipe (241), the liquid inlet connecting pipe (221) is installed on the outer end of the lower connecting pipe (19) through a flange, and the liquid outlet connecting pipe (241) is installed on the outer end of the upper connecting pipe (112) in an inverted J shape through a flange; the solution circulating mechanism (2) further comprises a circulating liquid pump (21), a preliminary purification tank (22), a circulating liquid tank (23) and a solution mixing tank (24), the inner end of the circulating liquid pump (21) is fixedly provided with a connecting plate (201), the connecting plate (201) is fixedly connected to the outer end of the support plate (1211), the liquid inlet end of the circulating liquid pump (21) is connected with a liquid suction pipe (211), and the liquid outlet end of the circulating liquid pump (21) is connected with a pump liquid pipe (212); The other end of the preliminary purification tank (22) is fixedly connected with an adapter pipe (222), the lower end of the adapter pipe (222) is fixedly connected with the liquid suction pipe (211), and the liquid inlet connecting pipe (221) is fixedly connected to the side end of the preliminary purification tank (22).

2. The chemical reaction vessel of a recyclable solution according to claim 1, characterized in that: The lower end of the chemical reaction kettle (1) is externally fixed with an inner heat preservation layer (122), the inner heat preservation layer (122) is located in the inner part of the lower heat preservation cover (12), and the inner heat preservation layer (122) and the lower heat preservation cover (12) form a double-layer heat preservation structure; The upper heat preservation cover (11) is externally penetrated and installed with a gas pressure gauge (17), and the lower heat preservation cover (12) is externally penetrated and installed with a temperature gauge (18).

3. The chemical reaction vessel of claim 1, wherein: The upper end of the chemical reaction kettle (1) is provided with a sleeve (15), the upper end of the sleeve (15) is provided with a speed reducer (161), the upper side of the speed reducer (161) is provided with a driving motor (16), the bottom of the speed reducer (161) is connected with a driving shaft (162), and the driving shaft (162) penetrates the sleeve (15) and the middle of the chemical reaction kettle (1); The outer side of the driving shaft (162) is fixedly provided with a fixed ring (163), and the side of the fixed ring (163) is fixedly provided with a stirring blade (164); The inner side of the chemical reaction kettle (1) is fixedly provided with an inner partition plate (10).

4. The chemical reaction vessel of claim 1, wherein: The upper side of the preliminary purification box (22) is provided with a sealing cover plate (220), the middle of the bottom of the sealing cover plate (220) is fixedly provided with an end plate (2201), the bottom of the end plate (2201) is fixedly connected with a filter plate one (2202), a filter plate two (2203) and a filter plate three (2204), and the filter plate one (2202), the filter plate two (2203) and the filter plate three (2204) are S-shaped and fixedly connected.

5. The process according to claim 4, wherein the process is carried out in a chemical reactor containing a circulating solution, characterized in that: The upper end of the liquid inlet connecting pipe (221) is connected to the upper end of the side of the circulating liquid tank (23), the bottom of the circulating liquid tank (23) is fixedly provided with a supporting frame (231), and the supporting frame (231) is fixedly arranged on the upper end of the base (14); The upper end of the circulating liquid tank (23) is provided with a positioning tank (232), the two side ends of the positioning tank (232) are fixedly provided with fixed blocks (233), the upper end of the liquid inlet connecting pipe (221) penetrates the circulating liquid tank (23) and is connected to the positioning tank (232), and the bottom of the positioning tank (232) is fixedly provided with a liquid equalizing pipe (2321).

6. The chemical reaction vessel of a recyclable solution according to claim 5, characterized in that: The upper end of the circulating liquid tank (23) is provided with a fixed connecting pipe (25), the side end of the fixed connecting pipe (25) is fixedly connected with an adapter connecting pipe (251), and the upper end of the adapter connecting pipe (251) penetrates the side of the solution mixing tank (24); The inner sides of the two ends of the solution mixing tank (24) are fixedly provided with shaft seats (2422), the shaft seats (2422) are fixedly provided with a fixed cross pipe (242) between them, the shaft seats (2422) and the fixed cross pipe (242) are both hollow pipes, and the bottom of the fixed cross pipe (242) is fixedly connected with a plurality of spray pipes (2421).

7. The chemical reaction vessel of a recyclable solution according to claim 6, characterized in that: The circulating liquid tank (23) and the solution mixing tank (24) are fixedly provided with a fixed column (26); The outer side end of the fixed transverse pipe (242) is fixedly provided with a fixed tooth disc (243), the front end of the fixed tooth disc (243) is connected in engagement with a driving gear (244), the side end of the driving gear (244) is fixedly provided with a driving shaft (2441), the outer end of the driving shaft (2441) is rotatably connected with a shaft cylinder (2443) penetrating through, the shaft cylinder (2443) is fixedly provided at the side end of the solution mixing box (24), the outer end of the driving shaft (2441) is connected with a control motor (2442), and the bottom of the control motor (2442) and the side end of the solution mixing box (24) are fixedly provided with a support (2444).

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