A trichloroacetyl chloride chlorination reaction kettle for pesticide production

Abstract

The utility model provides a trichloroacetyl chloride chlorination reation kettle for pesticide production relates to pesticide production equipment technical field, including the reation kettle jar body, the exhaust cover plate of feeding, the rotation type raw material dispersion net bucket, the feed pipe, chlorine supply pipeline, the stirring blade, through the feed pipe of exhaust cover plate of feeding and put in raw material, raw material enters rotation type raw material dispersion net bucket and is even dispersed after rotating from the mesh and enters the reation kettle jar body, and chlorine supply pipeline supplies chlorine from the circumference multiple directions to the middle part of reation kettle jar body cavity, so that the even supply chlorine and the raw material of dispersion discharge more even contact, under the premise that the reation kettle provides other needs condition, improves the reaction efficiency, through the stirring blade to the material after mixing and stirs, further improves the reaction efficiency.

Description

Technical Field

[0001] This utility model relates to the field of pesticide production equipment technology, and in particular to a trichloroacetyl chloride chlorination reactor for pesticide production. Background Technology

[0002] The descriptions in this section provide background information relevant to this disclosure only and do not constitute prior art.

[0003] Trichloroacetyl chloride is widely used as an important intermediate in the synthesis of broad-spectrum and highly effective insecticides and acaricides such as chlorpyrifos and methyl chlorpyrifos, as well as herbicides. The production of trichloroacetyl chloride requires the reaction of chlorine gas, chlorine-containing organic precursors, auxiliary materials and catalysts under suitable conditions.

[0004] In existing chlorination reactors, chlorine gas is often injected into the reactor through only one conduit. This results in uneven chlorine distribution and insufficient contact with the raw materials, leading to a slower reaction rate and reduced reaction efficiency. Summary of the Invention

[0005] The purpose of this invention is to provide a trichloroacetyl chloride chlorination reactor for pesticide production, which provides uniform chlorine gas supply and more uniform contact with the dispersed raw materials. This solves the problem that existing chlorination reactors often inject chlorine gas into the reactor through only one conduit, resulting in uneven chlorine gas distribution, insufficient contact with the raw materials, slow reaction speed, and reduced reaction efficiency.

[0006] This utility model provides a trichloroacetyl chloride chlorination reactor for pesticide production, comprising: The reactor body is equipped with a detachable feed and exhaust cover at the top. A rotating raw material dispersion mesh is installed in the middle of the bottom surface of the inner cavity of the reactor tank, and its upper end is slidably attached to the bottom surface of the feed and exhaust cover. The rotating drive part of the rotating raw material dispersion net barrel is assembled on the bottom surface of the reaction vessel tank; The feed pipe is fixedly connected to the middle of the top surface of the feed and exhaust cover plate; A chlorine gas supply pipe is fixedly sleeved on the upper end of the outer wall of the reactor vessel, and its output end is distributed circumferentially on the inner wall of the reactor vessel. The upper outer wall of the rotating raw material dispersion net barrel is uniformly fitted with stirring blades, and a gap is left between the outer end of the blades and the output end of the chlorine supply pipeline.

[0007] As a further optimization, in order to disperse the supplied high-pressure pulsed airflow, the raw material inside the rotating drum is blown up and dispersed and sprayed out from the discharge port. The rotating raw material dispersion mesh drum includes: The cylindrical barrel has evenly spaced discharge holes on its side wall; The stirring blades are uniformly and fixedly assembled on the outer wall of the cylindrical barrel; The upper end of the cylindrical barrel is slidably attached to the bottom surface of the feed and exhaust cover plate; A circular tube is rotatably mounted in the middle of the bottom surface of the cylinder, and its upper end is fixedly connected to the middle of the bottom surface of the cylinder. An input check valve is fixedly installed in the middle of the outer wall of the circular tube; An air inlet is fixedly connected to the lower end of the circular tube; A first gear is fixedly sleeved on the lower end of the outer wall of the circular tube; The bottom edge of the reactor body is fixedly equipped with a drive motor, and a second gear is fixedly sleeved on the outer wall of its output end. The first gear and the second gear mesh with each other.

[0008] As a further optimization, in order to disperse the supplied high-pressure pulse airflow, the raw material in the cylinder is blown up and dispersed and sprayed out from the discharge port. An arc-shaped mesh cover is fixedly installed in the middle of the bottom surface of the inner cavity of the cylinder. The upper end of the circular tube is located inside the arc-shaped mesh cover.

[0009] As a further optimization, in order to distribute chlorine gas from all sides into the reactor vessel and ensure more uniform contact with the raw materials dispersed and output by the rotating raw material dispersing mesh, thereby improving reaction efficiency, the chlorine gas supply pipeline includes: An annular tube, the upper surface of which is fixedly connected to the outer wall of the reactor vessel by bolts; An air inlet pipe is fixedly connected to the outer wall of the annular tube, and a valve is fixedly mounted on its outer wall. The inner ring surface of the annular tube is uniformly and fixedly connected to a connecting pipe, which penetrates the outer wall of the reactor vessel. The inner end of the connecting pipe is fixedly connected to a longitudinal pipe, and both its upper and lower ends are sealed. The longitudinal tube sidewall is uniformly connected to a nozzle on one side facing the middle of the reactor body.

[0010] As a further optimization, to facilitate flushing and maintenance of the device's interior by opening the round cover, material is fed through the feed pipe, and excess pressure inside the reactor is released through the pressure relief valve. The feed and exhaust covers include: A round cap, with a pressure relief valve fixedly connected to its top edge; The feed pipe is fixedly connected to the middle of the top surface of the round cover, and a sealing cap is fastened to the upper end of the feed pipe; A connecting flange is fixedly fitted between the lower edge of the round cover and the upper end of the reaction vessel.

[0011] As a further optimization, in order to shield and protect the first and second gears from the influence of dust and impurities, a protective cover is fixedly installed on the bottom surface of the reactor body. The first gear and the second gear are located inside the protective cover; The lower end of the air inlet penetrates the bottom surface of the protective cover.

[0012] As a further optimization, in order to shield and protect the first and second gears from the influence of dust and impurities, the protective cover includes: The cover has ear plates evenly fixedly fitted on the upper edge of its outer wall; The ear plate is fixedly connected to the bottom surface of the reactor body by bolts; The bottom surface of the cover has a through hole corresponding to the air inlet, and the air inlet passes through the through hole; The side wall of the cover is provided with a heat dissipation window, and a dustproof net is fixedly installed inside it.

[0013] As a further optimization, to provide more stable support for the rotation of the cylinder, a rotational support structure is installed between the lower end of the outer wall of the cylinder and the bottom surface of the inner cavity of the reactor vessel, comprising: The ring body is coaxially fixedly assembled to the bottom surface of the inner cavity of the reactor vessel; An annular groove is provided at the upper end of the inner annular surface of the ring; An annular protrusion is fixedly fitted at the lower end of the outer wall of the cylinder corresponding to the annular groove, and it is slidably fitted inside the annular groove.

[0014] As a further optimization, in order to facilitate the discharge of materials after the reaction, an annular groove is provided on the outer side of the bottom surface of the inner cavity of the reactor, with the outer end of the bottom surface tilting downward. A valved discharge pipe is fixedly connected to the outer side of the bottom surface of the annular groove, away from the protective cover.

[0015] As a further optimization, to provide stable support for the device, a support base is installed at the lower end of the reactor vessel, which includes: The base plate has a support plate vertically fixed to its upper circumference; A support rod is fixedly assembled on the upper end of the inner side of the support plate, and an arc-shaped plate is fixedly assembled on its inner end. The outer wall of the reactor vessel is in contact with the inner wall of the arc-shaped plate; Support legs are evenly fixedly mounted at the bottom edge of the reactor body; The top surface of the base plate has a circular groove corresponding to the support leg; The lower end of the support leg is inserted into the corresponding circular groove.

[0016] This utility model provides an improved trichloroacetyl chloride chlorination reactor for pesticide production, which has the following improvements and advantages compared with the prior art: Raw materials are fed into the reactor vessel through the feed pipe with the feed and exhaust cover. After entering the rotating raw material dispersion mesh, the raw materials are evenly dispersed into the reactor vessel through the mesh openings. The chlorine supply pipeline supplies chlorine from multiple circumferential directions to the center of the reactor vessel, so that the evenly supplied chlorine comes into more uniform contact with the dispersed raw materials. Under the premise that the reactor provides other necessary conditions, the reaction efficiency is improved. The mixed materials are stirred by the stirring blades, which further improves the reaction efficiency. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic cross-sectional view of a partial structure of the present invention; Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle; Figure 4 This is a schematic diagram of the feed and exhaust cover structure of this utility model; Figure 5 This is a schematic diagram of the support base structure of this utility model.

[0019] Explanation of reference numerals in the attached figures: Reactor body, 11-Annular trough, 12-Discharge pipe with valve, 2-Rotating raw material dispersion mesh barrel, 21-Circular barrel, 22-Discharge through hole, 23-Circular pipe, 24-Input check valve, 25-Air inlet nozzle, 26-Arc-shaped mesh cover, 27-Drive motor, 28-First gear, 29-Second gear, 3-Chlorine gas supply pipeline, 31-Annular pipe, 32-Air inlet pipe, 33-Valve, 34-Connecting pipe, 35-Longitudinal pipe, 36-Nozzle, 4-Feeding feed. Exhaust cover, 41-round cover, 42-connecting flange, 43-feed pipe, 44-pressure relief valve, 5-protective cover, 51-cover body, 52-through hole, 53-heat dissipation window, 54-dustproof net, 55-ear plate, 6-support base, 61-base plate, 62-support plate, 63-support rod, 64-arc plate, 65-circular groove, 66-support leg, 7-rotating support structure, 71-ring body, 72-annular groove, 73-annular protrusion, 8-stirring blade. Detailed Implementation

[0020] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0022] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] Please see Figure 1-5 This utility model provides a technical solution: a trichloroacetyl chloride chlorination reactor for pesticide production, comprising: The reactor body 1 has a detachable feed and exhaust cover 4 at its upper end; A rotating raw material dispersion mesh 2 is installed in the middle of the bottom surface of the inner cavity of the reactor body 1, and its upper end is slidably attached to the bottom surface of the feed and exhaust cover 4. The rotating drive part of the rotating raw material dispersion net tank 2 is assembled on the bottom surface of the reactor tank 1; A feed pipe 43 is fixedly connected to the middle of the top surface of the feed and exhaust cover plate 4; A chlorine supply pipe 3 is fixedly sleeved on the upper end of the outer wall of the reactor tank 1, and its output end passes through the outer wall of the reactor tank 1 and is distributed around the inner wall of the reactor tank 1. The upper outer wall of the rotating raw material dispersion net tank 2 is uniformly fitted with stirring blades 8, and a gap is left between the outer end of the blades and the output end of the chlorine supply pipe 3.

[0024] Specifically, in this embodiment, the reactor vessel 1 is a chlorination reactor, which is a direct application of existing technology; Furthermore, raw materials are fed into the reactor tank 1 through the feed pipe 43 of the feed and exhaust cover plate 4. After being rotated in the rotating raw material dispersion net barrel 2, the raw materials are evenly dispersed from the mesh and enter the reactor tank 1. The chlorine supply pipe 3 supplies chlorine from multiple circumferential directions to the center of the inner cavity of the reactor tank 1, so that the evenly supplied chlorine and the dispersed raw materials are in more uniform contact. Under the premise that the reactor provides other necessary conditions, the reaction efficiency is improved. More specifically, the stirring blade 8 rotates together with the upper part of the rotating raw material dispersing net barrel 2, and the stirring blade 8 stirs the mixed material to further improve the reaction efficiency of the material. Understandably, the chlorine supply pipeline 3 is connected to a liquid chlorine cylinder at its input end to provide vaporized chlorine.

[0025] In some embodiments, the rotating raw material dispersing mesh drum 2 includes: The cylindrical barrel 21 has discharge through holes 22 evenly distributed on its side wall; The stirring blades 8 are evenly and fixedly assembled on the outer wall of the cylindrical barrel 21; The upper end of the cylindrical barrel 21 slides and fits against the bottom surface of the feed and exhaust cover plate 4; A cylindrical tube 23 is rotatably mounted on the middle of the bottom surface of the cylindrical tube 21, and its upper end is fixedly connected to the middle of the bottom surface of the cylindrical tube 21. An input check valve 24 is fixedly installed in the middle of the outer wall of the circular tube 23; The lower end of the round tube 23 is fixedly connected to the air inlet 25; The lower end of the outer wall of the round tube 23 is fixedly sleeved with the first gear 28; A drive motor 27 is fixedly mounted on the bottom edge of the reactor body 1, and a second gear 29 is fixedly sleeved on the outer wall of its output end. The first gear 28 and the second gear 29 mesh with each other; An arc-shaped mesh cover 26 is fixedly assembled in the middle of the bottom surface of the inner cavity of the cylindrical barrel 21; The upper end of the round tube 23 is located inside the arc-shaped mesh cover 26.

[0026] Specifically in this embodiment, the drive motor 27 is connected to an external power source to drive the second gear 29 to rotate. The second gear 29 drives the first gear 28 and the circular tube 23 to rotate. The circular tube 23 drives the cylindrical barrel 21 to rotate. The lower end of the circular tube 23 is connected to a high-pressure pulse airflow. The high-pressure pulse airflow is formed by a high-pressure air source connected to an electromagnetic pulse valve and controlling the air intake. The high-pressure pulse airflow blows the material in the cylindrical barrel 21 apart, and the dispersed material is discharged from the discharge hole 22. Furthermore, the air inlet 25 is used to connect to the output end of the high-pressure air source, and an electromagnetic pulse valve is provided on the connecting pipe; an arc-shaped mesh cover 26 is provided above the circular pipe 23, which is used to pre-disperse the high-pressure airflow and better disperse the raw materials in the circular barrel 21. More specifically, an input check valve 24 is provided in the middle of the outer wall of the circular tube 23 to prevent airflow from flowing in the opposite direction; It is understandable that the high-pressure pulsed airflow will also carry the material that has entered the circular tube 23 out while blowing out, so as to avoid material waste.

[0027] In some embodiments, the chlorine supply pipeline 3 includes: The annular tube 31 is fixedly connected to the outer wall of the reactor body 1 by bolts on its upper surface. An air inlet pipe 32 is fixedly connected to the outer wall of the annular pipe 31, and a valve 33 is fixedly mounted on its outer wall. The inner ring surface of the annular tube 31 is uniformly connected to the connecting tube 34, which penetrates the outer wall of the reactor tank 1. The inner end of the connecting pipe 34 is fixedly connected to the longitudinal pipe 35, and both its upper and lower ends are sealed. The longitudinal tube 35 has nozzles 36 uniformly fixed and connected to one side of the middle part of the reactor body 1.

[0028] Specifically in this embodiment, the air inlet pipe 32 is connected to a liquid chlorine cylinder to provide vaporized chlorine gas, and the supply of chlorine gas is controlled by the valve 33. Furthermore, the longitudinal pipe 35 is distributed along the height direction of the inner wall of the reactor tank 1, and in this scheme, the air inlet pipe 32 and the longitudinal pipe 35 are distributed in multiple sets around the circumference of the reactor tank 1. The nozzle 36 at the upper end of the longitudinal pipe 35 sprays out chlorine gas and supplies chlorine gas evenly to the middle of the inner cavity of the reactor tank 1. More specifically, chlorine gas is supplied from the inlet pipe 32 and then enters the annular pipe 31, which is then supplied to each connecting pipe 34 along the annular pipe 31, and finally sprayed out from the nozzle 36 on the side wall of the longitudinal pipe 35.

[0029] In some embodiments, the feed and exhaust cover 4 includes: The round cover 41 has a pressure relief valve 44 fixedly connected to its top edge; The feed pipe 43 is fixedly connected to the middle of the top surface of the round cover 41, and a sealing cap is fastened to the upper end of the feed pipe 43; A connecting flange 42 is fixedly installed between the lower edge of the round cover 41 and the upper end of the reactor body 1.

[0030] Specifically in this embodiment, the feed pipe 43 is used for feeding material in. After feeding, the sealing cap is fastened to block the material, and the material enters the reactor tank 1 after feeding. Furthermore, the connecting flange 42 is easy to disassemble, and the round cover 41 is removable, which facilitates the rinsing and maintenance of the inner cavity of the reactor tank 1 and the rotating raw material dispersion net tank 2. More specifically, the pressure relief valve 44 is an existing technology application that can promptly release excess gas pressure inside the reactor tank 1.

[0031] In some embodiments, a protective cover 5 is fixedly mounted on the bottom surface of the reactor vessel 1; The first gear 28 and the second gear 29 are located inside the protective cover 5; The lower end of the air inlet 25 penetrates the bottom surface of the protective cover 5; Protective shield 5 includes: The cover 51 has ear plates 55 evenly fixedly mounted on its outer wall upper edge; Ear plate 55 is fixedly connected to the bottom surface of reactor body 1 by bolts; The bottom surface of the cover 51 has a through hole 52 corresponding to the air inlet 25, and the air inlet 25 passes through the through hole 52. The side wall of the cover 51 has a heat dissipation window 53, and a dustproof net 54 is fixedly installed inside it.

[0032] Specifically in this embodiment, the cover 51 shields the outside of the first gear 28 and the second gear 29, providing a shielding and protective function to prevent dust and moisture from affecting the operation of the gears. Furthermore, the cover 51 dissipates heat through the heat dissipation window 53, and the dustproof net 54 at the heat dissipation window 53 is used to filter out external dust and dissipate the heat generated by the drive motor 27 during operation.

[0033] In some embodiments, a rotating support structure 7 is fitted between the lower end of the outer wall of the cylindrical barrel 21 and the bottom surface of the inner cavity of the reactor vessel 1, which includes: The ring 71 is coaxially fixedly assembled to the bottom surface of the inner cavity of the reactor vessel 1; An annular groove 72 is provided on the upper end of the inner annular surface of the ring body 71; An annular protrusion 73 is fixedly fitted at the lower end of the outer wall of the cylindrical barrel 21 corresponding to the annular groove 72, and it is slidably fitted inside the annular groove 72.

[0034] Specifically, in this embodiment, the annular protrusion 73 is rotatably disposed in the annular groove 72 on the inner annular surface of the ring body 71, so that the reactor vessel 1 rotates more smoothly within the ring body 71, avoiding shaking during the rotation of the reactor vessel 1.

[0035] In some embodiments, an annular groove 11 is provided on the outer side of the bottom surface of the inner cavity of the reactor body 1, and the outer end of the bottom surface is inclined downward. A valved discharge pipe 12 is fixedly connected to the outer side of the bottom surface of the annular trough 11 away from the protective cover 5. The bottom surface of the annular trough 11 is inclined to concentrate the finished liquid product after the reaction. The material concentrated at the lowest point of the annular trough 11 is discharged by opening the valve of the valved discharge pipe 12.

[0036] In some embodiments, a support base 6 is fitted at the lower end of the reactor vessel 1, which includes: The base plate 61 has a support plate 62 vertically fixedly mounted on its upper edge circumference; A support rod 63 is fixedly assembled on the upper end of the inner side of the support plate 62, and an arc-shaped plate 64 is fixedly assembled on its inner end. The outer wall of the reactor vessel 1 is fitted to the inner wall of the arc-shaped plate 64; Support legs 66 are evenly fixedly mounted at the bottom edge of the reactor body 1; A circular groove 65 is provided on the top surface of the base plate 61 corresponding to the support leg 66; The lower end of the support leg 66 is inserted into the corresponding circular groove 65.

[0037] Specifically, in this embodiment, the base plate 61 has a larger contact area with the ground, providing better support for the device; Furthermore, the support legs 66 on the bottom surface of the reactor vessel 1 are inserted into the circular groove 65 on the top surface of the base plate 61 to provide stable support for the reactor vessel 1; the arc-shaped plate 64 at the inner end of the support rod 63 on the inner side of the support plate 62 fits and limits the outer wall of the reactor vessel 1 to position the outer wall of the reactor vessel 1.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A trichloroacetyl chloride chlorination reactor for pesticide production, characterized in that, include: The reactor body (1) is equipped with a feed and exhaust cover (4) at its upper end. The reactor vessel (1) is equipped with a rotating raw material dispersion net (2) in the middle of the bottom surface of the inner cavity, and its upper end is slidably attached to the bottom surface of the feed and exhaust cover (4); The rotating drive part of the rotating raw material dispersion net barrel (2) is assembled on the bottom surface of the reaction vessel tank (1); The feed pipe (43) is fixedly connected to the middle of the top surface of the feed and exhaust cover plate (4); A chlorine supply pipe (3) is fixedly sleeved on the upper end of the outer wall of the reactor tank (1), and its output end passes through the outer wall of the reactor tank (1) and is distributed circumferentially on the inner wall of the reactor tank (1). The upper outer wall of the rotating raw material dispersion net barrel (2) is uniformly fitted with stirring blades (8), and there is a gap between the outer end of the blades and the output end of the chlorine supply pipe (3).

2. The trichloroacetyl chloride chlorination reactor for pesticide production according to claim 1, characterized in that, The rotating raw material dispersing mesh drum (2) includes: The cylindrical barrel (21) has discharge through holes (22) evenly distributed on its side wall. The stirring blades (8) are uniformly and fixedly assembled on the outer wall of the cylindrical barrel (21); The upper end of the cylindrical barrel (21) is slidably attached to the bottom surface of the feed and exhaust cover plate (4); A cylindrical tube (23) is rotatably mounted on the middle of the bottom surface of the cylindrical barrel (21), and its upper end is fixedly connected to the middle of the bottom surface of the cylindrical barrel (21). An input check valve (24) is fixedly installed in the middle of the outer wall of the circular tube (23). The lower end of the circular tube (23) is fixedly connected to an air inlet (25); The lower end of the outer wall of the circular tube (23) is fixedly sleeved with a first gear (28); The bottom edge of the reactor vessel (1) is fixedly fitted with a drive motor (27), and a second gear (29) is fixedly sleeved on the outer wall of its output end. The first gear (28) and the second gear (29) mesh with each other.

3. The trichloroacetyl chloride chlorination reactor for pesticide production according to claim 2, characterized in that, An arc-shaped mesh cover (26) is fixedly assembled in the middle of the bottom surface of the inner cavity of the cylindrical barrel (21). The upper end of the circular tube (23) is located inside the arc-shaped mesh cover (26).

4. The trichloroacetyl chloride chlorination reactor for pesticide production according to claim 1, characterized in that, The chlorine supply pipeline (3) includes: The annular tube (31) is fixed to the outer wall of the reactor vessel (1) by bolts on its upper surface; The outer wall of the annular pipe (31) is fixedly connected to the air inlet pipe (32), and a valve (33) is fixedly installed on its outer wall. The inner ring surface of the annular tube (31) is uniformly connected to a connecting tube (34), which penetrates the outer wall of the reactor vessel (1). The inner end of the connecting pipe (34) is fixedly connected to the longitudinal pipe (35), and both its upper and lower ends are sealed. The longitudinal tube (35) has nozzles (36) uniformly fixedly connected to the side wall facing the middle of the reactor vessel (1).

5. The trichloroacetyl chloride chlorination reactor for pesticide production according to claim 1, characterized in that, The feed and exhaust cover (4) includes: A round cover (41) has a pressure relief valve (44) fixedly connected to its top edge. The feed pipe (43) is fixedly connected to the middle of the top surface of the round cover (41), and a sealing cap is fastened to the upper end of the feed pipe (43); A connecting flange (42) is fixedly fitted between the lower edge of the round cover (41) and the upper end of the reactor body (1).

6. The trichloroacetyl chloride chlorination reactor for pesticide production according to claim 2, characterized in that, The bottom surface of the reactor vessel (1) is fixedly fitted with a protective cover (5); The first gear (28) and the second gear (29) are located inside the protective cover (5); The lower end of the air inlet (25) penetrates the bottom surface of the protective cover (5).

7. The trichloroacetyl chloride chlorination reactor for pesticide production according to claim 6, characterized in that, The protective cover (5) includes: The cover (51) has ear plates (55) evenly fixedly mounted on the upper edge of its outer wall; The ear plate (55) is fixedly connected to the bottom surface of the reactor body (1) by bolts; The bottom surface of the cover (51) is provided with a through hole (52) corresponding to the air inlet (25), and the air inlet (25) passes through the through hole (52). The side wall of the cover (51) is provided with a heat dissipation window (53), and a dustproof net (54) is fixedly installed inside it.

8. The trichloroacetyl chloride chlorination reactor for pesticide production according to claim 2, characterized in that, A rotating support structure (7) is installed between the lower end of the outer wall of the cylindrical barrel (21) and the bottom surface of the inner cavity of the reactor vessel (1), which includes: The ring (71) is coaxially fixedly assembled to the bottom surface of the inner cavity of the reactor vessel (1); The inner ring surface of the ring body (71) has an annular groove (72) at the upper end. The lower end of the outer wall of the cylindrical barrel (21) is fixedly fitted with an annular protrusion (73) corresponding to the annular groove (72), which is slidably fitted in the annular groove (72).

9. A trichloroacetyl chloride chlorination reactor for pesticide production according to claim 6, characterized in that, The reactor vessel (1) has an annular groove (11) on the outer side of the bottom surface of its inner cavity, with the outer end of the bottom surface tilted downwards. A valved discharge pipe (12) is fixedly connected to the outer side of the bottom surface of the annular groove (11) away from the protective cover (5).

10. A trichloroacetyl chloride chlorination reactor for pesticide production according to claim 1, characterized in that, The lower end of the reactor vessel (1) is equipped with a support base (6), which includes: The base plate (61) has a support plate (62) vertically fixed to its upper edge. The upper end of the inner side of the support plate (62) is fixedly fitted with a support rod (63), and the inner end of the support plate (64) is fixedly fitted with an arc plate (64). The outer wall of the reactor vessel (1) is in contact with the inner wall of the arc-shaped plate (64); Support legs (66) are uniformly fixedly assembled at the bottom edge of the reactor body (1). The bottom plate (61) has a circular groove (65) on its top surface corresponding to the support leg (66); The lower end of the support leg (66) is inserted into the corresponding circular groove (65).

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