Feeding device of reaction kettle

Abstract

The utility model relates to a feeding device of a reaction kettle, which comprises a feeding pipe, a filter plate is connected in the feeding pipe, the peripheral side of the filter plate is connected with the inner wall of the feeding pipe, a main shaft is arranged in the feeding pipe, the length direction of the main shaft is consistent with the vertical direction, the main shaft is arranged above the filter plate, the bottom of the main shaft is connected with a pressing rod, and the bottom of the pressing rod is in contact with the top of the filter plate. The feeding pipe is further connected with a lifting assembly, and the lifting assembly is used for driving the pressing rod to move in the vertical direction. The lifting assembly drives the pressing rod to move back and forth in the vertical direction, so that the pressing rod presses raw materials at the top of the filtering plate, the caked raw materials are driven to be smashed, the smashed raw materials fall into the reaction kettle body through the filtering plate, the caked raw materials are prevented from directly entering the reaction kettle body as much as possible, and the reaction effect is improved.

Description

Technical Field

[0001] The present application relates to the field of reactors, and in particular to a feeding device for a reactor. Background Art

[0002] Methylmagnesium chloride, a chemical, is mainly used in drug synthesis, such as the synthesis of quinolone antibiotics. Methylmagnesium chloride is a reagent frequently used in organic synthesis and can be prepared by the reaction of metallic magnesium with methyl chloride or by the reduction of methyl tert-butyl ether with cuprous chloride.

[0003] A Chinese patent with authorization announcement number CN204034695U discloses a reactor, which includes a motor, a pot cover and a kettle body. The lower end of the motor is connected to a transmission device, the lower end of the transmission device is connected to a stirring shaft, the stirring shaft is located inside the kettle body, and an agitator is provided at the bottom of the stirring shaft. The pot cover is fixed to the kettle body by fastening bolts, an oil seal is provided at the connection between the lower end of the transmission device and the pot cover, a feeding port is provided on the pot cover, the feeding port is covered with a pot cover, an extrusion pipe is fixed to the inner wall of the kettle body, an extrusion pipe port is provided at the top end of the extrusion pipe, the extrusion pipe port is located outside the pot cover, and a safety valve is provided on the pot cover.

[0004] Regarding the above-mentioned related technologies, when the reactor is used, powdered raw materials need to be put into the reactor. The raw materials are prone to absorb moisture and agglomerate during storage. Putting the agglomerated raw materials directly into the reactor can easily lead to uneven reaction and affect the reaction effect. Utility Model Content

[0005] In order to reduce the agglomeration of raw materials directly fed into the reactor, the present application provides a feeding device for the reactor through reaction effect.

[0006] The feeding device of a reactor provided in the present application adopts the following technical solution:

[0007] A feeding device for a reactor comprises a feeding pipe, the bottom end of the feeding pipe is used to communicate with the reactor body, a filter plate is connected inside the feeding pipe, the peripheral side of the filter plate is connected to the inner wall of the feeding pipe, a main shaft is provided inside the feeding pipe, the length direction of the main shaft is consistent with the vertical direction, the main shaft is arranged above the filter plate, a pressure rod is connected to the bottom of the main shaft, the length direction of the pressure rod is consistent with the radial direction of the feeding pipe, the bottom of the pressure rod is in contact with the top of the filter plate, and the feeding pipe is also connected to a lifting assembly, and the lifting assembly is used to drive the pressure rod to move in the vertical direction.

[0008] By adopting the above technical scheme, when feeding, the raw materials are put into the feed pipe, the raw materials fall to the top of the filter plate, the agglomerated raw materials are retained on the top of the filter plate, and the non-agglomerated raw materials enter the reactor body through the filter plate. The lifting assembly drives the pressure rod to move back and forth in the vertical direction, so that the pressure rod presses the raw materials on the top of the filter plate, thereby driving the agglomerated raw materials to be crushed, and the crushed raw materials fall into the reactor body through the filter plate, so as to avoid the agglomerated raw materials from directly entering the reactor body as much as possible, thereby improving the reaction effect.

[0009] Optionally, the central axis of the main shaft is colinear with the central axis of the feed pipe, the main shaft sleeve is provided with a sleeve, the central axis of the sleeve is colinear with the central axis of the main shaft, the sleeve is also connected to a stirring blade on the periphery, the feed pipe is also connected to a rotating component, and the rotating component is used to drive the sleeve to rotate.

[0010] By adopting the above technical solution, when the raw materials enter the feed pipe, the rotating component drives the stirring blade to rotate, so that the stirring blade stirs the raw materials in the feed pipe and breaks up the agglomerated raw materials, thereby accelerating the crushing degree of the agglomerated raw materials and increasing the speed at which the raw materials pass through the filter plate.

[0011] Optionally, the top end of the sleeve passes through the top of the feed pipe in a vertical direction, and the rotating assembly includes a first motor, a first gear, and a second gear. The first motor is connected to the top of the feed pipe, the first gear is sleeved on the sleeve, the center axis of the first gear is colinear with the center axis of the sleeve, the second gear is connected to the output shaft of the first motor, and the second gear is meshed with the first gear.

[0012] By adopting the above technical solution, the first motor drives the second gear to rotate, and the second gear drives the first gear and the sleeve to rotate, so that the stirring blade rotates, and the stirring blade stirs the raw materials.

[0013] Optionally, the top of the main shaft passes through the top of the feed pipe in the vertical direction, the main shaft is rotatably connected to the sleeve, the main shaft is slidably connected to the sleeve in the vertical direction, the top of the main shaft is connected to a second motor, the output shaft of the second motor is connected to the top of the main shaft, the lifting assembly is used to drive the second motor to move back and forth in the vertical direction, the top of the feed pipe is connected to a support plate, the support plate is provided with a sliding groove, the length direction of the sliding groove is consistent with the vertical direction, the lifting assembly includes a screw rod, a slider, and a third motor, the length direction of the screw rod is consistent with the vertical direction, the screw rod is rotatably connected in the sliding groove, the slider is threadedly sleeved on the screw rod, the slider is slidably connected in the sliding groove in the vertical direction, the second motor is connected to the slider, the third motor is connected to the support plate, and the output shaft of the third motor is connected to one end of the screw rod.

[0014] By adopting the above technical solution, after the raw material enters the feed pipe, the third motor drives the screw to rotate, so that the slider moves back and forth in the vertical direction, thereby driving the main shaft and the pressure rod to move back and forth in the vertical direction and press the raw material. While the pressure rod moves in the vertical direction, the second motor rotates the main shaft, driving the pressure rod to rotate, thereby changing the position of the pressure rod, so that the pressure rod can press the raw materials at different positions.

[0015] Optionally, a partition is connected inside the feed pipe, the peripheral side of the partition is connected to the inner wall of the feed pipe, the partition is provided with a discharge port, an opening and closing component is connected inside the discharge port, and the opening and closing component is used to open and close the discharge port.

[0016] By adopting the above technical solution, a partition is added, and when the pressure rod presses the agglomerated raw materials, the opening and closing component closes the discharge port, thereby avoiding the water vapor in the reactor from entering the feed pipe as much as possible, reducing the situation of the raw materials getting damp and agglomerated, and the discharge port is opened by the opening and closing component, thereby facilitating the raw materials to enter the reactor body.

[0017] Optionally, the opening and closing component includes a closing block and a fourth motor, the closing block is embedded in the discharge port, the closing block is connected with a rotating shaft along its radial sides, the rotating shaft is rotatably connected to the inner wall of the discharge port, the closing block is rotatably connected in the discharge port, the fourth motor is connected to the feed pipe, the output shaft of the fourth motor is connected to the rotating shaft, the closing block is provided with a sealing ring, and the outer ring of the sealing ring is in contact with the inner wall of the discharge port.

[0018] By adopting the above technical solution, the fourth motor rotates the shaft, thereby driving the closing block to rotate, so that the discharge port is opened, and a sealing ring is added to reduce the gap between the closing block and the inner wall of the discharge port, thereby avoiding the situation where the material enters the feed pipe through the gap between the closing block and the inner wall of the feed port.

[0019] Optionally, the partition is low in the middle and high around, and the discharge port is arranged at the lowest point of the partition.

[0020] By adopting the above technical solution, the partition is set high on the sides and low in the middle, so as to avoid the situation where raw materials are accumulated on the top of the partition as much as possible.

[0021] Optionally, a gap is formed between the bottom of the sleeve and the top of the pressure rod, the bottom of the sleeve is connected to a bellows, the bellows is sleeved on the main shaft, the central axis of the bellows is colinear with the central axis of the main shaft, the top end of the bellows is connected to the sleeve, and the bottom end of the bellows is connected to the top of the pressure rod.

[0022] By adopting the above technical solution and adding a bellows, the raw material can be prevented from accumulating in the gap between the bottom of the sleeve and the top of the pressure rod as much as possible, thereby reducing the influence of the raw material on the movement of the main shaft in the vertical direction.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. When feeding, put the raw materials into the feeding pipe, and the raw materials fall to the top of the filter plate. The agglomerated raw materials are retained on the top of the filter plate, and the non-agglomerated raw materials pass through the filter plate into the reactor body. The lifting assembly drives the pressure rod to move back and forth in the vertical direction, so that the pressure rod presses the raw materials on the top of the filter plate, thereby driving the agglomerated raw materials to be crushed. The crushed raw materials fall through the filter plate into the reactor body, so as to avoid the agglomerated raw materials directly entering the reactor body and improve the reaction effect;

[0025] 2. After the raw material enters the feed pipe, the third motor drives the screw to rotate, so that the slider moves back and forth in the vertical direction, thereby driving the main shaft and the pressure rod to move back and forth in the vertical direction and press the raw material. While the pressure rod moves in the vertical direction, the second motor rotates the main shaft, driving the pressure rod to rotate, thereby changing the position of the pressure rod, so that the pressure rod can press the raw materials at different positions;

[0026] 3. The fourth motor rotates the shaft, thereby driving the closing block to rotate, so that the discharge port is opened, and a sealing ring is added to reduce the gap between the closing block and the inner wall of the discharge port, and try to avoid entering the feed pipe through the gap between the closing block and the inner wall of the feed port. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a front view of this embodiment.

[0028] Figure 2 It is a cross-sectional view of this embodiment, used to show the main shaft, sleeve, stirring blades, etc.

[0029] Figure 3 This embodiment Figure 2 Enlarged view of part A.

[0030] Figure 4 It is a cross-sectional view of this embodiment, used to show the opening and closing components.

[0031] Figure 5 This embodiment Figure 2 Enlarged view of part B.

[0032] Explanation of the reference numerals: 100, feed pipe; 110, feed port; 120, feed hopper; 130, hot air blower; 140, support plate; 141, sliding groove; 200, filter plate; 300, main shaft; 310, pressure rod; 320, sleeve; 321, stirring blade; 322, bellows; 330, second motor; 400, rotating assembly; 410, first gear; 420, first motor; 430, second gear; 500, lifting assembly; 510, screw rod; 520, slider; 530, third motor; 600, partition; 610, discharge port; 700, opening and closing assembly; 710, closing block; 711, rotating shaft; 712, sealing ring; 720, fourth motor; 721, connecting rod. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-5 This application is described in further detail.

[0034] The present application embodiment discloses a feeding device for a reactor. Figure 1 and Figure 2 The feeding device of the reactor comprises a feeding pipe 100, the length direction of the feeding pipe 100 is consistent with the vertical direction, and the bottom end of the feeding pipe 100 is used to communicate with the reactor body. A feeding port 110 is provided on the periphery of the feeding pipe 100, the feeding port 110 is arranged at the top of the feeding pipe 100, and a feeding hopper 120 is connected to the periphery of the feeding pipe 100, and the feeding hopper 120 is connected to the feeding port 110. A filter plate 200 is connected inside the feeding pipe 100, and the periphery of the filter plate 200 is fixedly connected to the inner wall of the feeding pipe 100. The feeding pipe 100 is connected with a main shaft 300, the length direction of the main shaft 300 is consistent with the vertical direction, the top end of the main shaft 300 passes through the top of the feeding pipe 100 in the vertical direction, and the main shaft 300 is slidably connected to the top of the feeding pipe 100 in the vertical direction, and the central axis of the main shaft 300 is collinear with the central axis of the feeding pipe 100. The main shaft 300 is arranged directly above the filter plate 200, and a pressure rod 310 is connected to the bottom of the main shaft 300. The length direction of the pressure rod 310 is consistent with the radial direction of the feed pipe 100. The bottom of the main shaft 300 is connected to the top of the pressure rod 310, and the bottom of the pressure rod 310 contacts the top of the filter plate 200. The raw materials entering the feed pipe 100 are pressed by the pressure rod 310, so that the agglomerated raw materials are crushed, and the crushed raw materials enter the reactor, thereby improving the reaction effect.

[0035] Reference Figure 2 and Figure 3The feed pipe 100 is connected to a hot air blower 130 on its periphery. The hot air blower 130 is in communication with the feed pipe 100 and is disposed above the filter plate 200. The hot air blower 130 is used to blow hot air into the feed pipe 100. The main shaft 300 is sleeved with a sleeve 320. The main shaft 300 is slidably connected in the sleeve 320 in a vertical direction and is rotatably connected in the sleeve 320. The central axis of the sleeve 320 is colinear with the central axis of the main shaft 300. A stirring blade 321 is also connected to the sleeve 320 on its periphery. The top of the sleeve 320 passes through the top of the feed pipe 100 in a vertical direction, and a rotating assembly 400 for driving the main shaft 300 to rotate is connected to the top of the feed pipe 100. The rotating assembly 400 includes a first gear 410, a first motor 420, and a second gear 430. The first gear 410 is fixedly sleeved on the sleeve 320. The central axis of the first gear 410 is collinear with the central axis of the sleeve 320. The first motor 420 is connected to the top of the feed pipe 100. The second gear 430 is connected to the output shaft of the first motor 420. The central axis of the output shaft of the first motor 420 is collinear with the central axis of the second gear 430, and the second gear 430 is meshed with the first gear 410. The first motor drives the second gear 430 to rotate, thereby driving the first gear 410 and the sleeve 320 to rotate, so that the stirring blade 321 stirs the raw materials to speed up the dispersion of the raw materials.

[0036] Reference Figure 1 and Figure 2 The main shaft 300 is rotatably connected to the sleeve 320, and the main shaft 300 is slidably connected to the sleeve 320 in the vertical direction. The top of the main shaft 300 is connected to the second motor 330, and the second motor 330 is connected to the top of the feed pipe 100 through the lifting assembly 500. The output shaft of the second motor 330 is vertically connected, and the output shaft of the second motor 330 is connected to the top of the main shaft 300. The lifting assembly 500 is used to drive the second motor 330 to move back and forth in the vertical direction.

[0037] Reference Figure 2 A support plate 140 is connected to the top of the feeding pipe 100, and the length direction of the support plate 140 is consistent with the vertical direction. A sliding groove 141 is opened on one side of the support plate 140, and the length direction of the sliding groove 141 is consistent with the vertical direction. The lifting assembly 500 includes a screw rod 510, a slider 520, and a third motor 530. The length direction of the screw rod 510 is consistent with the vertical direction. The screw rod 510 is rotatably connected to the sliding groove 141 at both ends along its length direction. The third motor 530 is connected to the top of the support plate 140, and the output shaft of the third motor 530 passes through the inner wall of the sliding groove 141 in the vertical direction. The output shaft of the third motor 530 is connected to the top of the screw rod 510, the slider 520 is threadedly sleeved on the screw rod 510, the slider 520 is slidably connected to the sliding groove 141 in the vertical direction, and the third motor 530 is connected to one side of the slider 520.

[0038] Reference Figure 2 A gap is formed between the bottom of the sleeve 320 and the top of the pressure rod 310. The bottom of the sleeve 320 is connected to a bellows 322. The bellows 322 is sleeved on the main shaft 300. The central axis of the bellows 322 is colinear with the central axis of the main shaft 300. The bellows 322 expands and contracts in the vertical direction. The top end of the bellows 322 is fixedly connected to the sleeve 320, and the bottom end of the bellows 322 is fixedly connected to the top of the pressure rod 310.

[0039] The third motor 530 drives the screw rod 510 to rotate, so that the slider 520 and the second motor 330 move back and forth in the vertical direction, thereby driving the main shaft 300 and the pressing rod 310 to move back and forth in the vertical direction, driving the pressing rod 310 to continuously press the agglomerated raw materials, and the second motor 330 drives the pressing rod 310 to rotate, so as to facilitate the pressing rod 310 to press the raw materials at different positions, thereby improving the pressing effect of the pressing rod 310.

[0040] Reference Figure 2 and Figure 4 , a partition 600 is connected to the feed pipe 100, the partition 600 is located at the bottom of the feed pipe 100, the partition 600 is located below the filter plate 200, and the circumference of the partition 600 is fixedly connected to the inner wall of the feed pipe 100. A discharge port 610 is opened at the top of the partition 600, the depth direction of the discharge port 610 is consistent with the vertical direction, and the discharge port 610 is set as a circular hole. The partition 600 is set low in the middle and high around, and the discharge port 610 is located at the lowest point of the partition 600.

[0041] Reference Figure 4 and Figure 5 , an opening and closing assembly 700 is connected inside the discharge port 610, and the opening and closing assembly 700 is used to open and close the discharge port 610. The opening and closing assembly 700 includes a closing block 710 and a fourth motor 720. The closing block 710 is embedded in the discharge port 610, and the surrounding sides of the closing block 710 are in contact with the inner wall of the discharge port 610. The closing block 710 is fixedly connected with a rotating shaft 711 along its radial sides, and the two rotating shafts 711 are rotatably connected to the inner wall of the feed port 110. The closing block 710 is sleeved with a sealing ring 712, which is made of rubber material, and the outer ring of the sealing ring 712 is in contact with the inner wall of the discharge port 610. The fourth motor 720 is connected to the outer wall of the feed pipe 100, and the output shaft of the fourth motor 720 is connected to a connecting rod 721, the length direction of the connecting rod 721 is consistent with the radial direction of the feed pipe 100, and the other end of the connecting rod 721 is connected to a rotating shaft 711. After the pressing rod 310 has finished pressing the raw material, the fourth motor 720 drives the connecting rod 721 to rotate, and drives the rotating shaft 711 and the closing block 710 to rotate, so that the discharge port 610 is opened, so as to facilitate the raw material to fall into the reactor body.

[0042] The implementation principle of the feeding device of a reactor in the embodiment of the present application is as follows: the raw material enters the feeding pipe 100 through the feeding hopper 120, the un-agglomerated raw material passes through the filter plate 200 and falls to the top of the partition 600, and the agglomerated raw material accumulates on the top of the filter plate 200. At the same time, the first motor drives the second gear 430 to rotate, the second gear 430 drives the first gear 410 to rotate, and the sleeve 320 rotates with the first gear 410, so that the stirring blade 321 stirs the raw material to break up the agglomerated raw material, and the stirring blade 321 stirs the raw material. When the material is being fed, the third motor 530 drives the lead screw 510 to rotate, thereby driving the slider 520 to slide in the vertical direction and be connected in the sliding groove 141, and the second motor 330 follows the slider 520 to move back and forth in the vertical direction, so that the pressing rod 310 continuously presses the agglomerated raw materials, and when the pressing rod 310 completes pressing the raw materials at one position, the second motor 330 drives the pressing rod 310 to rotate and changes the position of the pressing rod 310, so as to facilitate the pressing rod 310 to press the raw materials at different positions, thereby reducing the agglomerated raw materials from entering the reactor body.

[0043] After the raw material is pressed, the fourth motor 720 drives the connecting rod 721 to rotate, and the rotating shaft 711 and the closing block 710 rotate along with the connecting rod 721, so that the discharge port 610 is opened, so as to facilitate the raw material to fall into the reactor body.

[0044] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A feeding device for a reactor, characterized in that: The invention comprises a feed pipe (100), the bottom end of which is used to communicate with a reactor body, a filter plate (200) being connected inside the feed pipe (100), the peripheral side of the filter plate (200) being connected to the inner wall of the feed pipe (100), a main shaft (300) being provided inside the feed pipe (100), the length direction of the main shaft (300) being consistent with the vertical direction, the main shaft (300) being arranged above the filter plate (200), a pressure rod (310) being connected at the bottom of the main shaft (300), the length direction of the pressure rod (310) being consistent with the radial direction of the feed pipe (100), the bottom of the pressure rod (310) being in contact with the top of the filter plate (200), and the feed pipe (100) being further connected to a lifting assembly (500), the lifting assembly (500) being used to drive the pressure rod (310) to move in the vertical direction.

2. The feeding device of the reactor according to claim 1, characterized in that: The central axis of the main shaft (300) is colinear with the central axis of the feed pipe (100); the main shaft (300) is sleeved with a sleeve (320); the central axis of the sleeve (320) is colinear with the central axis of the main shaft (300); a stirring blade (321) is connected to the circumference of the sleeve (320); the feed pipe (100) is also connected to a rotating assembly (400); the rotating assembly (400) is used to drive the sleeve (320) to rotate.

3. The feeding device of the reactor according to claim 2, characterized in that: The top of the sleeve (320) passes through the top of the feed pipe (100) in the vertical direction. The rotating assembly (400) includes a first motor (420), a first gear (410), and a second gear (430). The first motor (420) is connected to the top of the feed pipe (100). The first gear (410) is sleeved on the sleeve (320). The center axis of the first gear (410) is colinear with the center axis of the sleeve (320). The second gear (430) is connected to the output shaft of the first motor (420), and the second gear (430) is meshed with the first gear (410).

4. The feeding device of the reactor according to claim 1, characterized in that: The top end of the main shaft (300) passes through the top end of the feed pipe (100) in the vertical direction. The main shaft (300) is rotatably connected to the sleeve (320). The main shaft (300) is slidably connected to the sleeve (320) in the vertical direction. The top end of the main shaft (300) is connected to a second motor (330). The output shaft of the second motor (330) is connected to the top end of the main shaft (300). The lifting assembly (500) is used to drive the second motor (330) to move back and forth in the vertical direction. The top end of the feed pipe (100) is connected to a support plate (140). The support plate (140) is provided with a sliding groove (141). The sliding groove (141) The length direction is consistent with the vertical direction. The lifting assembly (500) comprises a screw rod (510), a slider (520), and a third motor (530). The length direction of the screw rod (510) is consistent with the vertical direction. The screw rod (510) is rotatably connected to the sliding groove (141). The slider (520) is threadedly sleeved on the screw rod (510). The slider (520) is slidably connected to the sliding groove (141) along the vertical direction. The second motor (330) is connected to the slider (520). The third motor (530) is connected to the support plate (140). The output shaft of the third motor (530) is connected to one end of the screw rod (510).

5. The feeding device for the reactor according to claim 1, characterized in that: A partition (600) is connected inside the feed pipe (100), the peripheral side of the partition (600) is connected to the inner wall of the feed pipe (100), the partition (600) is provided with a discharge port (610), an opening and closing component (700) is connected inside the discharge port (610), and the opening and closing component (700) is used to open and close the discharge port (610).

6. The feeding device for the reactor according to claim 5, characterized in that: The opening and closing assembly (700) comprises a closing block (710) and a fourth motor (720). The closing block (710) is embedded in the discharge port (610). The closing block (710) is connected to rotating shafts (711) along its radial sides. The rotating shaft (711) is rotatably connected to the inner wall of the discharge port (610). The closing block (710) is rotatably connected to the discharge port (610). The fourth motor (720) is connected to the feed pipe (100). The output shaft of the fourth motor (720) is connected to the rotating shaft (711). The closing block (710) is sleeved with a sealing ring (712). The outer ring of the sealing ring (712) contacts the inner wall of the discharge port (610).

7. The feeding device for the reactor according to claim 5, characterized in that: The partition (600) is low in the middle and high around the edges, and the discharge port (610) is arranged at the lowest point of the partition (600).

8. The feeding device for the reactor according to claim 2, characterized in that: A gap is formed between the bottom of the sleeve (320) and the top of the pressure rod (310), and a bellows (322) is connected to the bottom of the sleeve (320). The bellows (322) is sleeved on the main shaft (300), and the central axis of the bellows (322) is colinear with the central axis of the main shaft (300). The top end of the bellows (322) is connected to the sleeve (320), and the bottom end of the bellows (322) is connected to the top of the pressure rod (310).

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