CN220048103U - Lead to chlorine, catch up with sour integrated reation kettle - Google Patents

Abstract

The utility model relates to the technical field of chemical reaction kettles, in particular to a chlorine-introducing and acid-removing integrated reaction kettle which comprises a reaction kettle body, wherein an upper kettle cover is arranged at the top of the reaction kettle body, a welding heating jacket is hermetically sleeved on the outer side wall of the reaction kettle body, a closed heat conducting cavity is formed between the welding heating jacket and the outer side wall of the reaction kettle body, heat conducting oil is introduced into the closed heat conducting cavity, the heat conducting oil is supplied by an external heat conducting oil furnace through a conveying pipeline, and a discharge pipeline is arranged at the bottom of the reaction kettle body. The reaction kettle designed in the utility model can be matched and applied to the chemical reaction process treatment of 2-chloro-5-chloromethyl thiazole, can realize the integrated treatment of the procedures of chlorine introduction and acid removal, effectively simplifies the complicated structure of the traditional structure, which needs to be provided with a separate chlorine introduction system and an acid removal system, and can meet the requirements of the reaction process while simplifying the whole structure.

Description

Lead to chlorine, catch up with sour integrated reation kettle

Technical Field

The utility model relates to the technical field of chemical reaction kettles, in particular to a novel integrated reaction kettle structure for reducing the probability of blocking a pipeline by materials in a 2-chloro-5-chloromethyl thiazole process, and especially relates to a chlorine-introducing and acid-removing integrated reaction kettle.

Background

The 2-chloro-5-chloromethylthiazole is used for synthesizing pesticide thiamethoxam, clothianidin and medical ritonavir, and the thiamethoxam is used as a new generation of nicotinic insecticide.

In the traditional 2 chlorine 5 chloromethyl thiazole synthetic process, two sets of independent process reaction kettle systems are matched to realize chlorination, acid expelling and desolventizing, the structure disclosed in patent document with patent publication number of CN207371510U is generally adopted in the prior art to complete chlorination and chlorine introducing, the main structure comprises a reaction kettle body and a sensor group, three groups of struts for pasting a damping rubber pad are arranged at equal angles on the outer side of the bottom of the reaction kettle body, a top cover is movably arranged on the top of the reaction kettle body through a tank body flange, a chlorine conveyer is fixedly arranged in the middle of the top cover, the output end of the chlorine conveyer is connected with the input end of an electromagnetic pump through a guide pipe, the output end of the electromagnetic pump is connected with the top end of a chlorine introducing coil pipe through a chlorine introducing straight pipe, an air hole is formed in the chlorine introducing coil pipe, a water inlet pipe is arranged on the left side of the reaction kettle body, a pressurizing flower is arranged at the inner end of the water inlet pipe, and an electromagnetic valve is arranged at the bottom of the reaction kettle body.

According to the structure in the prior art, the contact area between the introduced chlorine and the material is enlarged in the chlorine introducing process, the problem of partial excessive chlorine is solved, the chlorine and the material are uniformly mixed, but the chlorination adopts a single chlorine introducing system, and the acid removing adopts another system.

The split reaction system has the following defects in the synthesis process of the 2-chloro-5-chloromethylthiazole: 2, 3-dichloropropenyl isothiocyanate generates 2 chlorine 5 chloromethylthiazole and 2 chlorine 5 chloromethylthiazole hydrochloride in the chlorine introducing process, but the 2 chlorine 5 chloromethylthiazole hydrochloride is insoluble in solvent dichloroethane, so that a material pipe is very easy to block, and a split structure is connected through a pipeline, and when the pipeline is blocked, the whole system has potential safety hazard and affects downstream reaction.

Therefore, the utility model provides a novel integrated reaction kettle structure for reducing the probability of blocking a pipeline by materials in a 2-chloro-5-chloromethylthiazole process, which is used for better solving the problems in the prior art.

Disclosure of Invention

The utility model aims to solve one of the technical problems, and adopts the following technical scheme: the utility model provides a lead to chlorine, catch up with sour integration reation kettle, includes the reation kettle body an upper portion kettle cover is installed at the top of reation kettle body, upper portion kettle cover with realize sealed fixed through a plurality of bolt fastener between the reation kettle body sealed sleeve has a welding heating jacket on the lateral wall of reation kettle body, welding heating jacket with form closed heat conduction cavity between the lateral wall of reation kettle body, closed heat conduction cavity is inside to be led in the conduction oil, and the conduction oil is supplied through the transfer line by outside conduction oil furnace welding heating jacket's bottom fixed mounting has a plurality of support sloping leg the feeding part that a lift sampling part is installed at the top of upper portion kettle cover the top install one with the inside reaction chamber of reation kettle body a discharge pipeline is installed to the bottom of reation kettle body.

In any of the above schemes, it is preferable that a lower heat conduction oil inlet pipe joint communicated with the inside of the closed heat conduction cavity is welded and installed at the lower part of the right side of the welding heating jacket, an upper heat conduction oil outlet pipe joint communicated with the inside of the closed heat conduction cavity is welded and installed at the upper part of the left side of the welding heating jacket, and the lower heat conduction oil inlet pipe joint and the upper heat conduction oil outlet pipe joint are both connected with an external heat conduction oil furnace through a conveying pipeline with a pump body.

In any of the above schemes, preferably, a vibration discharger is installed at the bottom of the discharge pipeline, the vibration discharger comprises a discharge pipe installed at the bottom of the discharge pipeline through a corrugated short pipe, a vibration motor is fixedly installed on the outer side wall of the discharge pipe, and a discharge electric control valve is fixedly installed on the discharge pipe below the vibration motor.

In any of the above schemes, preferably, a bottom sampling tube is installed at one side of the vibration discharger, the top of the bottom sampling tube is communicated with the internal reaction cavity, and a sampling plugging cover is fixedly installed at the bottom of the bottom sampling tube.

In any of the above schemes, it is preferable that a chlorine-introducing air inlet pipe communicated with the internal reaction chamber inside the reaction kettle body is fixedly installed at the lower part of the left side of the reaction kettle body, a chlorine-introducing air outlet pipe communicated with the internal reaction chamber inside the reaction kettle body is fixedly installed at the upper part of the right side of the reaction kettle body, the chlorine-introducing air inlet pipe and the chlorine-introducing air outlet pipe are respectively connected with an external air source through chlorine pipes, and chlorine is introduced from the lower part of the internal reaction chamber in a chlorine introducing state, and the reacted chlorine is led out from the upper part of the internal reaction chamber.

In any of the above schemes, preferably, a cavity drain pipe is installed at the bottom of the closed heat conduction cavity, the cavity drain pipe is communicated with the inside of the closed heat conduction cavity, and a drain plugging end cover is installed at the bottom of the cavity drain pipe.

In any of the above schemes, preferably, the feeding component comprises a material feeding pipe installed at the top of the upper kettle cover, the material feeding pipe is communicated with the internal reaction cavity, and a feeding plugging cover is installed at a port of the material feeding pipe.

In any of the above schemes, preferably, a pressure gauge is installed at the top of the upper kettle cover, the pressure gauge is used for detecting the air pressure in the internal reaction cavity, and a thermometer is installed at one side of the pressure gauge and is used for detecting the temperature in the internal reaction cavity.

In any of the above schemes, preferably, the lifting sampling component comprises a screw tube sleeve fixedly installed at the top of the upper kettle cover, the screw tube sleeve is communicated with the internal reaction cavity, an internal thread is arranged on the inner side wall of the screw tube sleeve, a lifting sampling tube is screwed in the internal thread of the screw tube sleeve, an external thread matched with the internal thread is arranged on the outer side wall of the lifting sampling tube, the lower end of the lifting sampling tube extends into the internal reaction cavity, and an upper plugging end cover is installed at the upper end of the lifting sampling tube.

Compared with the prior art, the utility model has the following beneficial effects:

1. the reaction kettle designed in the utility model can be matched and applied to the chemical reaction process treatment of 2-chloro-5-chloromethyl thiazole, can realize the integrated treatment of the procedures of chlorine introduction and acid removal, effectively simplifies the complicated structure of the traditional structure, which needs to be provided with a separate chlorine introduction system and an acid removal system, and can meet the requirements of the reaction process while simplifying the whole structure.

2. The reaction kettle adopts the residual chlorine after the chlorine enters from the bottom and is led out from the upper part when chlorine introducing treatment is carried out, so that the chlorine can be effectively ensured to fully contact and react with the reaction mixed liquid at the lower part of the internal reaction cavity, and the chlorine introducing treatment effect is ensured.

3. After chlorine treatment, the heat treatment of reactants in the internal reaction cavity can be realized by introducing high-temperature heat conduction oil into the closed heat conduction cavity, and meanwhile, the reaction temperature and the internal air pressure are controlled by observing the numerical value of a thermometer and a pressure gauge in the heating process, so that the reaction efficiency and the reaction effect of the internal chemical reaction are ensured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or features are generally identified by like reference numerals throughout the drawings. In the drawings, the elements or components are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the internal cross-sectional structure of the present utility model.

In the figure, 1, a reaction kettle body; 2. an upper kettle cover; 3. a bolt fastener; 4. welding a heating jacket; 5. a closed heat conducting cavity; 6. supporting the inclined leg; 7. an internal reaction chamber; 8. a discharge pipe; 9. the lower heat conduction oil inlet pipe joint; 10. the upper heat conducting oil outlet pipe joint; 11. a corrugated short pipe; 12. a discharge pipe; 13. a vibration motor; 14. a discharging electric control valve; 15. a bottom sampling tube; 16. sampling a plugging cover; 17. a chlorine inlet pipeline; 18. a chlorine-introducing air outlet pipeline; 19. a cavity blow-down pipe; 20. a pollution discharge plugging end cover; 21. a material feed pipe; 22. a feed plugging cover; 23. a pressure gauge; 24. a thermometer; 25. a screw sleeve; 26. lifting the sampling tube; 27. the upper part is blocked with an end cover.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model. The specific structure of the utility model is shown in fig. 1-2.

Example 1: the utility model provides an lead to chlorine, catch up with sour integrated reation kettle, includes reation kettle body 1 an upper portion kettle cover 2 is installed at reation kettle body 1's top, upper portion kettle cover 2 with realize sealed fixed through a plurality of bolt fastener 3 between the reation kettle body 1 the welding heating jacket 4 has been sealed to cup joint on reation kettle body 1's the lateral wall, welding heating jacket 4 with form closed heat conduction cavity 5 between reation kettle body 1's the lateral wall, closed heat conduction cavity 5 is inside lets in the conduction oil, and the conduction oil is supplied through the conveying line by outside conduction oil furnace welding heating jacket 4's bottom fixed mounting has a plurality of supporting sloping leg 6 upper portion kettle cover 2's top is installed a lift sampling part upper portion kettle cover 2's top install one with the feeding part that the inside reaction chamber 7 of reation kettle body 1 is linked together a row of material pipe 8 is installed to reation kettle body 1's bottom. According to the utility model, the improved integrated reaction kettle for introducing chlorine and expelling acid is designed, the chlorine introducing and acid expelling process in the chemical reaction process of 2-chloro-5-chloromethylthiazole can be completed in the same reaction kettle, sufficient chlorine can be introduced rapidly in the reaction process, chlorination treatment is completed, meanwhile, heat can be preserved after chlorine introduction, the 2-chloro-5-chloromethylthiazole hydrochloride fully reacts with the chlorine, when the chlorine introduction is completed, acid expelling is realized by adding corresponding reaction materials, the 2-chloro-5-chloromethylthiazole hydrochloride is removed of HCL and changed into 2-chloro-5-chloromethylthiazole, so that rapid reaction can be realized in the internal reaction cavity 7, the reaction time of the whole process is improved, rapid discharging can be realized by utilizing the discharging pipeline 8 and the vibration discharger after the reaction, and blocking is prevented.

In any of the above schemes, it is preferable that a lower heat-conducting oil inlet pipe joint 9 communicated with the inside of the closed heat-conducting cavity 5 is welded and installed at the lower right part of the welding heating jacket 4, an upper heat-conducting oil outlet pipe joint 10 communicated with the inside of the closed heat-conducting cavity 5 is welded and installed at the upper left part of the welding heating jacket 4, and the lower heat-conducting oil inlet pipe joint 9 and the upper heat-conducting oil outlet pipe joint 10 are both connected with an external heat-conducting oil furnace through a conveying pipeline with a pump body. The heat conduction oil with high temperature is introduced into the closed heat conduction cavity 5, so that the heating treatment of reactants in the internal reaction cavity 7 can be realized, and the control of the heating temperature in the whole reaction process is ensured; the heating temperature control of the internal reaction cavity 7 is realized by controlling the temperature of the heat conduction oil through the external heat conduction oil furnace.

In any of the above solutions, it is preferable that a vibration discharger is installed at the bottom of the discharge pipe 8, the vibration discharger includes a discharge pipe 12 installed at the bottom of the discharge pipe 8 through a corrugated short pipe 11, a vibration motor 13 is fixedly installed on the outer sidewall of the discharge pipe 12, and a discharge electric control valve 14 is fixedly installed on the discharge pipe 12 under the vibration motor 13. The vibration tripper is mainly connected in the bottom of arranging material pipeline 8, can guarantee to play the stifled effect of vibration anti-blocking when outwards discharging the material after the reaction through the work of control vibrating motor 13, can prevent through vibrating motor 13's vibration that the material from being in row material pipeline 8, discharging pipe 12 department jam, guarantee the effect of arranging the material.

In any of the above schemes, it is preferable that a bottom sampling tube 15 is installed at one side of the vibration discharger, the top of the bottom sampling tube 15 is communicated with the internal reaction chamber 7, and a sampling plugging cover 16 is fixedly installed at the bottom of the bottom sampling tube 15. The bottom sampling tube 15 communicated with the internal reaction cavity 7 can be periodically opened to realize the discharge and sampling of the reaction mixture at the bottom by the sampling plugging cover 16 in the later period of the reaction, thereby achieving the purpose of observing and detecting the reaction condition of the reactant at the bottom and regulating the temperature and the pressure in real time according to the detection result.

In any of the above schemes, it is preferable that a chlorine introducing air inlet pipe 17 communicating with the internal reaction chamber 7 inside the reaction kettle body 1 is fixedly installed at the lower part of the left side of the reaction kettle body 1, a chlorine introducing air outlet pipe 18 communicating with the internal reaction chamber 7 inside the reaction kettle body 1 is fixedly installed at the upper part of the right side of the reaction kettle body, the chlorine introducing air inlet pipe 17 and the chlorine introducing air outlet pipe 18 are respectively connected with an external air source through chlorine pipes, and chlorine is introduced from the lower part of the internal reaction chamber 7 in a chlorine introducing state, and the reacted chlorine is led out from the upper part of the internal reaction chamber 7. The chlorine inlet pipeline 17 is provided with a lower part, so that the chlorine entering the chlorine inlet pipeline can be ensured to fully contact with the mixture in the chlorine inlet pipeline, the chlorination reaction is realized, and when the chlorination is finished, the redundant chlorine can be discharged outwards through the chlorine inlet and outlet pipeline 18 corresponding to the upper part, and the sufficiency of the chlorination reaction can be ensured in the whole process.

In any of the above schemes, preferably, the lifting sampling component includes a screw sleeve 25 fixedly installed at the top of the upper kettle cover 2, the screw sleeve 25 is communicated with the internal reaction chamber 7, an internal thread is provided on an inner side wall of the screw sleeve 25, a lifting sampling tube 26 is screwed in an inner cavity of the screw sleeve 25, an external thread matched with the internal thread is provided on an outer side wall of the lifting sampling tube 26, a lower end of the lifting sampling tube 26 extends into the internal reaction chamber 7, and an upper sealing end cover 27 is installed at an upper end of the lifting sampling tube 26. The lifting sampling component is mainly used for sucking the upper layer reaction mixed liquid in the reaction process, and an external pipeline and a pump body are utilized to realize rapid upward and outward sucking of the reaction liquid during the sucking; the lifting sampling tube 26 arranged in the device can be screwed in advance to adjust the bottom of the lifting sampling tube 26 to penetrate into different depth positions of the internal reaction cavity 7, so that the purpose of effectively controlling the sampling detection of mixed liquid at different positions can be achieved, the detection of samples at different positions of internal products can be ensured, and the rationality and the effectiveness of the detection can be improved; the upper blocking end cap 27 is used to achieve a blocking seal when the entire elevation sampling unit is not in operation.

Example 2: the utility model provides an lead to chlorine, catch up with sour integrated reation kettle, includes reation kettle body 1 an upper portion kettle cover 2 is installed at reation kettle body 1's top, upper portion kettle cover 2 with realize sealed fixed through a plurality of bolt fastener 3 between the reation kettle body 1 the welding heating jacket 4 has been sealed to cup joint on reation kettle body 1's the lateral wall, welding heating jacket 4 with form closed heat conduction cavity 5 between reation kettle body 1's the lateral wall, closed heat conduction cavity 5 is inside lets in the conduction oil, and the conduction oil is supplied through the conveying line by outside conduction oil furnace welding heating jacket 4's bottom fixed mounting has a plurality of supporting sloping leg 6 upper portion kettle cover 2's top is installed a lift sampling part upper portion kettle cover 2's top install one with the feeding part that the inside reaction chamber 7 of reation kettle body 1 is linked together a row of material pipe 8 is installed to reation kettle body 1's bottom.

In any of the above schemes, it is preferable that a lower heat-conducting oil inlet pipe joint 9 communicated with the inside of the closed heat-conducting cavity 5 is welded and installed at the lower right part of the welding heating jacket 4, an upper heat-conducting oil outlet pipe joint 10 communicated with the inside of the closed heat-conducting cavity 5 is welded and installed at the upper left part of the welding heating jacket 4, and the lower heat-conducting oil inlet pipe joint 9 and the upper heat-conducting oil outlet pipe joint 10 are both connected with an external heat-conducting oil furnace through a conveying pipeline with a pump body.

The heat conduction oil with high temperature is introduced into the closed heat conduction cavity 5, so that the heating treatment of reactants in the internal reaction cavity 7 can be realized, and the control of the heating temperature in the whole reaction process is ensured; the heating temperature control of the internal reaction cavity 7 is realized by controlling the temperature of the heat conduction oil through the external heat conduction oil furnace.

In any of the above solutions, it is preferable that a vibration discharger is installed at the bottom of the discharge pipe 8, the vibration discharger includes a discharge pipe 12 installed at the bottom of the discharge pipe 8 through a corrugated short pipe 11, a vibration motor 13 is fixedly installed on the outer sidewall of the discharge pipe 12, and a discharge electric control valve 14 is fixedly installed on the discharge pipe 12 under the vibration motor 13.

The vibration tripper is mainly connected in the bottom of arranging material pipeline 8, can guarantee to play the stifled effect of vibration anti-blocking when outwards discharging the material after the reaction through the work of control vibrating motor 13, can prevent through vibrating motor 13's vibration that the material from being in row material pipeline 8, discharging pipe 12 department jam, guarantee the effect of arranging the material.

In any of the above schemes, it is preferable that a bottom sampling tube 15 is installed at one side of the vibration discharger, the top of the bottom sampling tube 15 is communicated with the internal reaction chamber 7, and a sampling plugging cover 16 is fixedly installed at the bottom of the bottom sampling tube 15.

The bottom sampling tube 15 communicated with the internal reaction cavity 7 can be periodically opened to realize the discharge and sampling of the reaction mixture at the bottom by the sampling plugging cover 16 in the later period of the reaction, thereby achieving the purpose of observing and detecting the reaction condition of the reactant at the bottom and regulating the temperature and the pressure in real time according to the detection result.

In any of the above schemes, it is preferable that a chlorine introducing air inlet pipe 17 communicating with the internal reaction chamber 7 inside the reaction kettle body 1 is fixedly installed at the lower part of the left side of the reaction kettle body 1, a chlorine introducing air outlet pipe 18 communicating with the internal reaction chamber 7 inside the reaction kettle body 1 is fixedly installed at the upper part of the right side of the reaction kettle body, the chlorine introducing air inlet pipe 17 and the chlorine introducing air outlet pipe 18 are respectively connected with an external air source through chlorine pipes, and chlorine is introduced from the lower part of the internal reaction chamber 7 in a chlorine introducing state, and the reacted chlorine is led out from the upper part of the internal reaction chamber 7.

The chlorine inlet pipeline 17 is provided with a lower part, so that the chlorine entering the chlorine inlet pipeline can be ensured to fully contact with the mixture in the chlorine inlet pipeline, the chlorination reaction is realized, and when the chlorination is finished, the redundant chlorine can be discharged outwards through the chlorine inlet and outlet pipeline 18 corresponding to the upper part, and the sufficiency of the chlorination reaction can be ensured in the whole process.

In any of the above schemes, it is preferable that a cavity drain pipe 19 is installed at the bottom of the closed heat conduction cavity 5, the cavity drain pipe 19 is communicated with the inside of the closed heat conduction cavity 5, and a drain plugging end cover 20 is installed at the bottom of the cavity drain pipe 19.

The main purpose that cavity blow off pipe 19 set up is, after closed heat conduction cavity 5 lets in the conduction oil for a long time, and the filth that the conduction oil produced can pile up inside closed heat conduction cavity 5, can discharge inside filth through the periodic blowdown shutoff end cover 20 of opening by the bottom, utilizes cavity blow off pipe 19 to let in the filth material that the washing fluid can clean adhesion on the internal surface of closed heat conduction cavity 5 to inside high pressure simultaneously.

In any of the above schemes, preferably, the feeding part comprises a material feeding pipe 21 installed at the top of the upper kettle cover 2, the material feeding pipe 21 is communicated with the internal reaction cavity 7, and a feeding plugging cover 22 is installed at a port of the material feeding pipe 21.

Before and during the reaction, the feeding component mainly inputs a proper amount of reaction materials into the internal reaction cavity 7 through the material feeding pipe 21 on the feeding component, so that the sufficiency and the effectiveness of the internal reaction are ensured, the addition of reactants according to the needs is ensured, and the blocking can be realized through the feeding blocking cover 22 after the material addition is finished.

In any of the above schemes, it is preferable that a pressure gauge 23 is installed at the top of the upper tank cover 2, the pressure gauge 23 is used for detecting the air pressure in the internal reaction chamber 7, a thermometer 24 is installed at one side of the pressure gauge 23, and the thermometer 24 is used for detecting the temperature in the internal reaction chamber 7.

The pressure gauge 23 can monitor the internal pressure and the temperature gauge 24 can monitor the internal temperature, thereby ensuring the control of the pressure and the temperature in the whole reaction process.

In any of the above schemes, preferably, the lifting sampling component includes a screw sleeve 25 fixedly installed at the top of the upper kettle cover 2, the screw sleeve 25 is communicated with the internal reaction chamber 7, an internal thread is provided on an inner side wall of the screw sleeve 25, a lifting sampling tube 26 is screwed in an inner cavity of the screw sleeve 25, an external thread matched with the internal thread is provided on an outer side wall of the lifting sampling tube 26, a lower end of the lifting sampling tube 26 extends into the internal reaction chamber 7, and an upper sealing end cover 27 is installed at an upper end of the lifting sampling tube 26.

The lifting sampling component is mainly used for sucking the upper layer reaction mixed liquid in the reaction process, and an external pipeline and a pump body are utilized to realize rapid upward and outward sucking of the reaction liquid during the sucking; the lifting sampling tube 26 arranged in the device can be screwed in advance to adjust the bottom of the lifting sampling tube 26 to penetrate into different depth positions of the internal reaction cavity 7, so that the purpose of effectively controlling the sampling detection of mixed liquid at different positions can be achieved, the detection of samples at different positions of internal products can be ensured, and the rationality and the effectiveness of the detection can be improved; the upper blocking end cap 27 is used to achieve a blocking seal when the entire elevation sampling unit is not in operation.

The specific working principle is as follows:

according to the utility model, the improved integrated reaction kettle for introducing chlorine and expelling acid is designed, the chlorine introducing and acid expelling process in the chemical reaction process of 2-chloro-5-chloromethylthiazole can be completed in the same reaction kettle, sufficient chlorine can be introduced rapidly in the reaction process, chlorination treatment is completed, meanwhile, heat can be preserved after chlorine introduction, the 2-chloro-5-chloromethylthiazole hydrochloride fully reacts with the chlorine, when the chlorine introduction is completed, acid expelling is realized by adding corresponding reaction materials, the 2-chloro-5-chloromethylthiazole hydrochloride is removed of HCL and changed into 2-chloro-5-chloromethylthiazole, so that rapid reaction can be realized in the internal reaction cavity 7, the reaction time of the whole process is improved, rapid discharging can be realized by utilizing the discharging pipeline 8 and the vibration discharger after the reaction, and blocking is prevented. The heat conduction oil with high temperature is introduced into the closed heat conduction cavity 5, so that the heating treatment of reactants in the internal reaction cavity 7 can be realized, and the control of the heating temperature in the whole reaction process is ensured; the heating temperature control of the internal reaction cavity 7 is realized by controlling the temperature of the heat conduction oil through the external heat conduction oil furnace. Specifically, during the chlorine-introducing treatment, the chlorine-introducing air inlet pipe 17 is provided with a lower part, so that the chlorine entering the chlorine-introducing air inlet pipe can be ensured to be fully contacted with the mixture in the chlorine-introducing air inlet pipe upwards, thereby realizing the chlorination reaction, and when the chlorination is finished, the redundant chlorine can be outwards discharged through the chlorine-introducing air outlet pipe 18 corresponding to the upper part, and the sufficiency of the chlorination reaction can be ensured in the whole process. During the reaction, the pressure gauge 23 can monitor the internal pressure, and the thermometer 24 can monitor the internal temperature, so as to ensure the control of the pressure and the temperature during the whole reaction. The whole reaction kettle can ensure the detection of the reaction state and the reaction condition of the reactants in the reaction kettle through multi-position sampling at the lower part and the upper part in the later reaction period, and ensure the effective control of the quality of the whole reaction product.

The reaction kettle designed in the utility model can be matched and applied to the chemical reaction process treatment of 2-chloro-5-chloromethyl thiazole, can realize the integrated treatment of the procedures of chlorine introduction and acid removal, effectively simplifies the complicated structure of the traditional structure that a separate chlorine introduction system and an acid removal system are required to be configured, and can meet the requirements of the reaction process while simplifying the whole structure; when the reaction kettle is used for chlorine introducing treatment, the residual chlorine after the reaction is introduced from the bottom to the chlorine and is led out from the upper part is adopted, so that the chlorine can be effectively ensured to be fully contacted and reacted with the reaction mixed liquid at the lower part of the internal reaction cavity 7, and the chlorine introducing treatment effect is ensured; after chlorine treatment, the heat treatment of reactants in the internal reaction cavity 7 can be realized by introducing high-temperature heat conduction oil into the closed heat conduction cavity 5, and meanwhile, the reaction temperature and the internal air pressure are controlled by observing the numerical values of the thermometer 24 and the pressure gauge 23 in the heating process, so that the reaction efficiency and the reaction effect of the internal chemical reaction are ensured.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions; any alternative modifications or variations to the embodiments of the present utility model will fall within the scope of the present utility model for those skilled in the art.

The present utility model is not described in detail in the present application, and is well known to those skilled in the art.

Claims (9)

1. The utility model provides a lead to chlorine, drive sour integrated reation kettle which characterized in that: the reaction kettle comprises a reaction kettle body, wherein an upper kettle cover is arranged at the top of the reaction kettle body, sealing fixation is realized between the upper kettle cover and the reaction kettle body through a plurality of bolt fasteners, a welding heating jacket is hermetically sleeved on the outer side wall of the reaction kettle body, a closed heat conduction cavity is formed between the welding heating jacket and the outer side wall of the reaction kettle body, heat conduction oil is introduced into the closed heat conduction cavity and is supplied by an external heat conduction oil furnace through a conveying pipeline, a plurality of supporting diagonal legs are fixedly arranged at the bottom of the welding heating jacket, a lifting sampling component is arranged at the top of the upper kettle cover, a feeding component communicated with the internal reaction cavity of the reaction kettle body is arranged at the top of the upper kettle cover, and a discharging pipeline is arranged at the bottom of the reaction kettle body.

2. The chlorine-introducing acid-removing integrated reaction kettle as claimed in claim 1, wherein: the lower part of the right side of the welding heating jacket is welded with a lower heat conduction oil inlet pipe joint communicated with the inside of the closed heat conduction cavity, the upper part of the left side of the welding heating jacket is welded with an upper heat conduction oil outlet pipe joint communicated with the inside of the closed heat conduction cavity, and the lower heat conduction oil inlet pipe joint and the upper heat conduction oil outlet pipe joint are connected with an external heat conduction oil furnace through a conveying pipeline with a pump body.

3. The chlorine-introducing and acid-removing integrated reaction kettle as claimed in claim 2, wherein: the vibrating discharger comprises a discharging pipe which is arranged at the bottom of the discharging pipe through a corrugated short pipe, a vibrating motor is fixedly arranged on the outer side wall of the discharging pipe, and a discharging electric control valve is fixedly arranged on the discharging pipe below the vibrating motor.

4. The chlorine-introducing acid-removing integrated reaction kettle according to claim 3, wherein: a bottom sampling tube is arranged on one side of the vibration discharger, the top of the bottom sampling tube is communicated with the internal reaction cavity, and a sampling plugging cover is fixedly arranged at the bottom of the bottom sampling tube.

5. The chlorine-introducing acid-removing integrated reaction kettle as claimed in claim 4, wherein: the chlorine introducing air inlet pipeline which is communicated with the internal reaction cavity inside the reaction kettle body is fixedly arranged at the lower part of the left side of the reaction kettle body, the chlorine introducing air outlet pipeline which is communicated with the internal reaction cavity inside the reaction kettle body is fixedly arranged at the upper part of the right side of the reaction kettle body, the chlorine introducing air inlet pipeline and the chlorine introducing air outlet pipeline are respectively connected with an external air source through chlorine pipelines, and chlorine is introduced from the lower part of the internal reaction cavity in a chlorine introducing state, and the reacted chlorine is led out from the upper part of the internal reaction cavity.

6. The chlorine-introducing acid-removing integrated reaction kettle as claimed in claim 5, wherein: the bottom of the closed heat conduction cavity is provided with a cavity blow-down pipe which is communicated with the inside of the closed heat conduction cavity, and the bottom of the cavity blow-down pipe is provided with a blow-down plugging end cover.

7. The chlorine-introducing acid-removing integrated reaction kettle as claimed in claim 6, wherein: the feeding component comprises a material feeding pipe arranged at the top of the upper kettle cover, the material feeding pipe is communicated with the internal reaction cavity, and a feeding plugging cover is arranged at a port of the material feeding pipe.

8. The chlorine-introducing acid-removing integrated reaction kettle as claimed in claim 7, wherein: the top of upper portion kettle cover is installed a manometer, the manometer is used for detecting the atmospheric pressure in the inside reaction chamber, one side of manometer is installed a thermometer, the thermometer is used for detecting the temperature in the inside reaction chamber.

9. The chlorine-introducing acid-removing integrated reaction kettle as claimed in claim 8, wherein: the lifting sampling component comprises a screw tube sleeve fixedly arranged at the top of the upper kettle cover, the screw tube sleeve is communicated with the internal reaction cavity, an internal thread is arranged on the inner side wall of the screw tube sleeve, a lifting sampling tube is screwed in the internal thread of the inner cavity of the screw tube sleeve, an external thread matched with the internal thread is arranged on the outer side wall of the lifting sampling tube, the lower end of the lifting sampling tube extends into the internal reaction cavity, and an upper sealing end cover is arranged at the upper end of the lifting sampling tube.