Reaction kettle based on separation of solid-liquid products after reaction

Abstract

The utility model belongs to the technical field of reaction kettles, and particularly relates to a reaction kettle based on solid-liquid product separation after reaction, which comprises a kettle body, a stirring mechanism, a filtering mechanism, a cleaning mechanism and a collecting mechanism, and is characterized in that the top is provided with a feeding port and a charging port, and the bottom is provided with a discharging port; the stirring mechanism is arranged in the kettle body and is used for stirring reactants; the filtering mechanism is arranged in the kettle body, is positioned below the stirring mechanism and is used for separating solid-liquid products after reaction; the cleaning mechanism is mounted on one side, close to the filtering mechanism, of the stirring mechanism, can block the filtering mechanism during reaction and clean solid products after reaction, and is driven by the stirring mechanism; the collecting mechanism is mounted on the filtering mechanism and is used for receiving and intensively collecting the solid products cleaned by the cleaning mechanism; the filtering mechanism is blocked through the cleaning mechanism and cleaned after the reaction, filtering can be guaranteed, the filtering net is prevented from being blocked, cleaned solid products are collected in a centralized mode through the collecting mechanism, the cleaning period can be effectively prolonged, and frequent cleaning is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of reaction kettle, especially based on the reaction solid -liquid product separation of reaction kettle. BACKGROUND

[0002] The intermediate bromide of dapagliflozin is the key raw material for synthesizing dapagliflozin, and in the preparation process thereof, the solid-liquid product is often mixed after the reaction is completed, so it is necessary to effectively separate the solid-liquid product.

[0003] In the past, the commonly used method is to install a filtering device in the reaction kettle or install a filtering device at the liquid outlet of the reaction kettle, but if the device volume is too small when the filtering device is installed at the liquid outlet of the reaction kettle, the filtering area of the filter screen is correspondingly small, which requires frequent cleaning and is extremely inconvenient, and if the device volume is increased, not only more space will be occupied, but also the cleaning difficulty will also increase, and when the filtering device is installed inside the reaction kettle, although the filtering area of the filter screen is large, the filter screen is often covered with solid products due to the inconvenient cleaning operation, which seriously affects the filtering efficiency. UTILITY MODEL CONTENTS

[0004] The utility model discloses a reaction kettle based on the reaction solid-liquid product separation, which can effectively separate the solid-liquid product after the reaction and does not need frequent cleaning.

[0005] Therefore, the utility model provides a reaction kettle based on the reaction solid-liquid product separation, which comprises:

[0006] The kettle body is provided with a feeding port and a feeding port at the top, and a discharging port at the bottom;

[0007] The stirring mechanism is installed in the kettle body and is used for stirring the reactants;

[0008] The filtering mechanism is installed in the kettle body and is located below the stirring mechanism and is used for separating the solid-liquid product after the reaction;

[0009] The cleaning mechanism is installed on one side of the stirring mechanism close to the filtering mechanism and is used for plugging the filtering mechanism during the reaction and cleaning the solid product after the reaction;

[0010] The collecting mechanism is installed on the filtering mechanism and is used for receiving and collecting the solid product cleaned by the cleaning mechanism;

[0011] The cleaning mechanism is driven by the stirring mechanism.

[0012] In the above technical solution, further, the stirring mechanism comprises:

[0013] A main shaft is installed in the kettle body and extends out of the kettle body at one end to be connected with a driving motor;

[0014] A stirring rod is installed on the surface of the main shaft in the kettle body and is circumferentially provided with a plurality of groups;

[0015] The stirring rod is arranged in the axial direction of the main shaft.

[0016] In the above technical solution, further, the filtering mechanism comprises:

[0017] A support plate is installed on the inner wall of the kettle body and is located below the stirring mechanism and is provided with a liquid passage;

[0018] A filter screen is installed in the liquid passage and the upper end surface is flush with the upper end surface of the support plate.

[0019] In the above technical solution, further, the cleaning mechanism comprises:

[0020] A first baffle is installed at one end of the main shaft below the stirring rod and is used to shield the liquid passage;

[0021] A ratchet member is installed between the main shaft and the first baffle and is used to drive the first baffle to rotate in one direction of the main shaft and not to rotate in the other direction.

[0022] In the above technical solution, further, the ratchet member comprises:

[0023] A connecting disc is sleeved on the main shaft and is axially provided with an installation slot and is connected with the first baffle;

[0024] A plurality of ratchet teeth are circumferentially and equally spaced on the inner wall of the installation slot;

[0025] A pawl is arranged around the main shaft through a support connected with the main shaft, and the pawl cooperates with the ratchet teeth;

[0026] A cover plate is axially installed on one side of the connecting disc close to the installation slot.

[0027] In the above technical solution, further, the collecting mechanism comprises:

[0028] A filter bag has an open end and is connected at the lower end surface of the support plate, and a material passage corresponding to the open end of the filter bag is formed in the support plate;

[0029] A second baffle is connected with the connecting disc through a connecting rod and is used to shield the material passage.

[0030] In the above technical solution, further, the collecting mechanism further comprises:

[0031] A fixing ring is connected to the lower end surface of the support plate and is used for detachable connection between the filter bag and the support plate.

[0032] In the above technical solutions, further:

[0033] The first baffle side is provided with a triangular groove, and is used for guiding the solid product to the discharge port when the first baffle rotates with the main shaft.

[0034] The utility model discloses beneficial effects are:

[0035] 1. through setting up filtering mechanism in the reaction kettle, separating solid-liquid product after reaction, and through the cleaning mechanism to block the filtering mechanism during reaction and clean the solid product after reaction, can effectively guarantee filtering, avoid the filter screen to cause the blockage, and the setting of the collection mechanism makes it concentrate the solid product cleaned to collect, can effectively prolong the cleaning period, avoid frequent cleaning, improve the use convenience.

[0036] 2. through the setting of ratchet part, namely when the main shaft does not drive the first baffle to rotate, for reaction stage, promotes the reaction through the stirring mechanism, and simultaneously does not open the filtering mechanism, avoids the solid product to produce below the filtering mechanism, effectively guarantees the separation of solid-liquid product.

[0037] 3. through the setting of filter bag, and through the main shaft drive the first baffle to rotate to clean the surface of filter screen, and push the solid product cleaned into the filter bag and concentrate collection, effectively avoid the solid product to cause the blockage on the filter screen, guarantee the filtering. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 It is the structural schematic diagram of the utility model;

[0039] Figure 2 It is the side view of the utility model;

[0040] Figure 3 It is the sectional view of A-A place in the utility model Figure 2

[0041] Figure 4 It is the internal structure schematic diagram of the utility model;

[0042] Figure 5 It is the explosion view of ratchet part of the utility model;

[0043] ​The figure is marked as: 1, kettle body; 2, feeding port; 3, feeding port; 4, discharge port; 5, stirring mechanism; 50, main shaft; 51, driving motor; 52, stirring rod; 6, filtering mechanism; 60, support plate; 61, liquid passage; 62, filter screen; 7, cleaning mechanism; 70, first baffle; 71, ratchet part; 710, connecting disc; 711, mounting groove; 712, ratchet; 713, pawl; 714, support; 715, cover plate; 72, triangular groove; 8, collecting mechanism; 80, filter bag; 81, material passage; 82, second baffle; 83, connecting rod; 84, fixing ring. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art belong to the scope of protection of the present application.

[0045] Embodiment 1:

[0046] The embodiment provides a reaction kettle based on separation of solid-liquid products after reaction, comprising:

[0047] The kettle body 1 is provided with a feeding port 2 and a feeding port 3 at the top, and a discharge port 4 at the bottom;

[0048] The stirring mechanism 5 is installed in the kettle body 1 and is used for stirring the reactants;

[0049] The filtering mechanism 6 is installed in the kettle body 1 and is located below the stirring mechanism 5, and is used for separation of solid-liquid products after reaction;

[0050] The cleaning mechanism 7 is installed on the side of the stirring mechanism 5 close to the filtering mechanism 6, and is used for plugging the filtering mechanism 6 during reaction and cleaning the solid products after reaction;

[0051] The collecting mechanism 8 is installed on the filtering mechanism 6 and is used for receiving and centrally collecting the solid products cleaned out by the cleaning mechanism 7;

[0052] The cleaning mechanism 7 is driven by the stirring mechanism 5.

[0053] It can be seen from the embodiment that by arranging the filtering mechanism 6 in the reaction kettle, the solid-liquid products are separated after reaction, at the same time, the filtering mechanism 6 is plugged during reaction and the solid products are cleaned after reaction by the cleaning mechanism 7, so that the filtering can be effectively guaranteed and the filter screen 62 is prevented from being blocked, and the setting of the collecting mechanism 8 enables the solid products cleaned out to be centrally collected, so that the cleaning period can be effectively prolonged, frequent cleaning is avoided, and the use convenience is improved.

[0054] Embodiment 2:

[0055] The embodiment provides a reaction kettle based on separation of solid-liquid products after reaction, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, the stirring mechanism 5 includes:

[0056] The main shaft 50 is installed in the kettle body 1, and one end extends out of the kettle body 1 and is connected with the driving motor 51;

[0057] The stirring rod 52 is installed on the surface of the main shaft 50 in the kettle body 1, and a plurality of stirring rods 52 are circumferentially arranged, and two stirring rods 52 can be arranged;

[0058] Among them, the stirring rod 52 is arranged in multiple groups along the axial direction of the main shaft 50, and three groups can be arranged, and the size of the reaction kettle is adjusted and set, which will not be repeated here;

[0059] Meanwhile, the specific structure of the driving motor 51 is the prior art, which will not be repeated here.

[0060] As can be seen from the embodiment, through the arrangement of multiple stirring rods 52 in multiple groups, slow stirring can be performed when the material is reacted, thereby better promoting the uniformity and efficiency of the reaction.

[0061] Embodiment 3:

[0062] The embodiment provides a reaction kettle based on separation of solid-liquid products after reaction, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, the filtering mechanism 6 includes:

[0063] The support plate 60 is installed on the inner wall of the kettle body 1 and located below the stirring mechanism 5, and the liquid outlet 61 is formed;

[0064] The filter screen 62 is installed in the liquid outlet 61, and the upper end surface of the filter screen 62 is flush with the upper end surface of the support plate 60;

[0065] Among them, the filter screen 62 can be a metal filter plate, which is made of corrosion-resistant metal materials such as stainless steel and nickel-based alloy.

[0066] As can be seen from the embodiment, by arranging the upper end surface of the filter screen 62 flush with the upper end surface of the support plate 60, deposition of solid products on the filter screen 62 or between the filter screen 62 and the inner wall of the liquid outlet 61 can be avoided;

[0067] And when the material flows along the stirring mechanism 5, the deposition of solid products on the filter screen 62 can also be avoided by the pushing of the water flow, so as to ensure the filtration and facilitate the cleaning of the subsequent cleaning mechanism 7.

[0068] Embodiment 4:

[0069] The embodiment provides a reaction kettle based on separation of solid-liquid products after reaction, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, the cleaning mechanism 7 includes:

[0070] The first baffle 70 is installed at one end of the main shaft 50 below the stirring rod 52, and is used for shielding the liquid outlet 61;

[0071] The ratchet member 71 is installed between the main shaft 50 and the first baffle 70, and is used for driving the first baffle 70 to rotate in one direction of the main shaft 50, and not driving the first baffle 70 to rotate in the other direction;

[0072] Wherein, a brush layer can also be arranged on the side of the first baffle 70 close to the support plate 60, for improving the cleaning effect on the solid product, and in order to ensure that the first baffle 70 shields the liquid outlet 61, an annular sealing gasket can be arranged around the first baffle 70, for improving the sealing performance of the first baffle 70 and the surface of the support plate 60.

[0073] As can be seen from the embodiment, by arranging the ratchet member 71, when the main shaft 50 does not drive the first baffle 70 to rotate, it is the reaction stage, the reaction is promoted by the stirring mechanism 5, and at the same time, the filter mechanism 6 is not opened, so that the solid product is not generated below the filter mechanism 6, and the separation of the solid-liquid product is effectively ensured.

[0074] Embodiment 5:

[0075] The embodiment provides a reaction kettle based on separation of solid-liquid products after reaction, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, the ratchet member 71 includes:

[0076] The connecting disc 710 is sleeved on the main shaft 50, and the installation groove 711 is axially arranged, and the first baffle 70 is connected;

[0077] The ratchet teeth 712 are circumferentially and equidistantly arranged on the inner wall of the installation groove 711;

[0078] The pawl 713 is arranged around the main shaft 50 through the support 714, the support 714 is connected with the main shaft 50, and the pawl 713 is matched with the ratchet teeth 712;

[0079] The cover plate 715 is installed on one side of the connecting disc 710 close to the installation groove 711 in the axial direction;

[0080] Wherein, the sealing ring can be arranged between the cover plate 715 and the connecting disc 710 and the main shaft 50, specifically, the annular groove is arranged on the surface of the connecting disc 710 and the cover plate 715 away from the shaft center, and the rubber ring is sleeved in the annular groove;

[0081] Meanwhile, the pawl 713 is also provided with a torsional spring, which is prior art, and will not be repeated here.

[0082] The embodiment can be seen that, by the setting of the connecting disc 710, the main shaft 50 drives the first baffle 70 to rotate, and the installation groove 711 is arranged on the connecting disc 710, on one hand, the installation and setting of the ratchet teeth 712 and the ratchet claw 713 are facilitated, and on the other hand, the cover plate 715 is used for closing, so that the liquid material is prevented from invading into the installation groove 711, and the service life of the ratchet wheel 71 is prolonged.

[0083] Embodiment 6:

[0084] The embodiment provides a reaction kettle based on separation of solid-liquid products after reaction, in addition to the technical scheme of the above embodiment, further has the following technical features, the collecting mechanism 8 includes:

[0085] The filter bag 80 is open at one end, and the open end is connected to the lower end surface of the supporting plate 60, and a material passing port 81 corresponding to the opening of the filter bag 80 is arranged on the supporting plate 60;

[0086] The second baffle 82 is connected with the connecting disc 710 through the connecting rod 83, and is used for shielding the material passing port 81;

[0087] Among them, in order to guarantee the shielding of the second baffle 82 to the material passing port 81, the annular sealing pad can be arranged around the second baffle 82, which is used for improving the sealing performance of the second baffle 82 and the surface of the supporting plate 60.

[0088] The embodiment can be seen that, by the setting of the filter bag 80, and by the rotation of the first baffle 70 driven by the main shaft 50, the surface of the filter screen 62 is cleaned, and the solid product cleaned out is pushed into the filter bag 80 for centralized collection, so that the solid product is effectively prevented from causing blockage on the filter screen 62, and the filtration is guaranteed;

[0089] And the second baffle 82 is arranged, and is connected with the connecting disc 710, and then in the reaction, the second baffle 82 shields the material passing port 81, so that the unreacted material is prevented from passing through the filter bag 80, so that the solid product is generated below the filtering mechanism 6, and the separation of the solid-liquid product is effectively guaranteed.

[0090] Embodiment 7:

[0091] The embodiment provides a reaction kettle based on separation of solid-liquid products after reaction, in addition to the technical scheme of the above embodiment, further has the following technical features, the collecting mechanism 8 further includes:

[0092] The fixed ring 84 is connected to the lower end surface of the supporting plate 60, and is used for detachable connection between the filter bag 80 and the supporting plate 60;

[0093] The fixed ring 84 can be fastened with the support plate 60 by bolts, and the opening side of the filter bag 80 is clamped on the support plate 60.

[0094] It can be seen from the embodiment that the setting of the fixed ring 84 effectively ensures the stability and structural strength of the installation of the filter bag 80, and ensures the support of the collection of the solid product in the filter bag 80. The detachable connection of the fixed ring 84 and the support plate 60 facilitates the disassembly of the filter bag 80, and further facilitates the cleaning of the solid product in the filter bag 80.

[0095] Embodiment 8:

[0096] The embodiment provides a reaction kettle based on separation of solid-liquid products after reaction, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features:

[0097] The first baffle 70 is provided with a triangular groove 72 on the side surface, and is used to guide the solid product to the material outlet 81 when the first baffle 70 rotates with the main shaft 50.

[0098] It can be seen from the embodiment that when the solid product on the surface of the filter screen 62 and the support plate 60 is cleaned, the solid product can be pushed into the triangular groove 72, and then the solid product is guided to the material outlet 81, which facilitates the collection of the solid product and improves the collection efficiency.

[0099] The embodiments of the application are described above in combination with the drawings, and the embodiments and the features in the embodiments in the application can be combined with each other without conflict, the application is not limited to the above-mentioned specific embodiments, the above-mentioned specific embodiments are only illustrative, but not limited, and a person skilled in the art can make many forms under the inspiration of the application without departing from the purpose of the application and the scope protected by the claims, all of which belong to the protection of the application.

Claims

1. A reactor based on separation of solid-liquid products after reaction, characterized in that, The utility model relates to a kind of reaction kettle, including: Kettle body (1), top is equipped with feeding opening (2) and feeding opening (3), bottom is equipped with discharge opening (4); Stirring mechanism (5), it is installed in kettle body (1), and it is used to stir reactant; Filtering mechanism (6), it is installed in kettle body (1), and it is located below stirring mechanism (5), and it is used to separate solid-liquid product after reaction; Cleaning mechanism (7), it is installed in stirring mechanism (5) side close to filtering mechanism (6), and it is used to block filtering mechanism (6) during reaction and clean solid product after reaction; Collecting mechanism (8), it is installed on filtering mechanism (6), and it is used to receive and concentrate the solid product cleaned by cleaning mechanism (7); Wherein, the cleaning mechanism (7) is driven by stirring mechanism (5).

2. The reactor according to claim 1, wherein The stirring mechanism (5) includes: Main shaft (50), it is installed in kettle body (1), and one end extends out kettle body (1) and is connected with driving motor (51); Stirring rod (52), it is installed on the surface of main shaft (50) in kettle body (1), and multiple are arranged circumferentially; Wherein, the stirring rod (52) is arranged multiple groups along the axial direction of main shaft (50).

3. The reactor according to claim 2, wherein The filtering mechanism (6) includes: Support plate (60), it is installed on the inner wall of kettle body (1), and it is located below stirring mechanism (5), and is equipped with liquid passage (61); Filter screen (62), it is installed on liquid passage (61), and upper end surface is flush with the upper end surface of support plate (60).

4. The reactor according to claim 3, wherein The cleaning mechanism (7) includes: First baffle (70), it is installed on one end of main shaft (50) below stirring rod (52), and it is used to shield liquid passage (61); Ratchet part (71), it is installed between main shaft (50) and first baffle (70), and it is used to drive first baffle (70) to rotate in one direction of main shaft (50), and it does not drive first baffle (70) to rotate in another direction.

5. The reactor according to claim 4, wherein The ratchet part (71) includes: Connecting disc (710), it is sleeved on main shaft (50), and axial direction is equipped with installation groove (711), and is connected with first baffle (70); Ratchet teeth (712), multiple are arranged circumferentially on the inner wall of installation groove (711) at equal intervals; Pawl (713), it is arranged around main shaft (50) by being equipped with support (714), and support (714) is connected with main shaft (50), and pawl (713) cooperates with ratchet teeth (712); Cover plate (715), it is installed on connecting disc (710) side close to installation groove (711) along the axial direction.

6. The reactor vessel based on separation of solid-liquid post-reaction products according to claim 4, characterized in that, The collecting mechanism (8) includes: Filter bag (80), one end is open, and open end is connected on the lower end surface of support plate (60), and is equipped with material passage (81) on support plate (60) corresponding to the opening of filter bag (80); Second baffle (82), it is connected with connecting disc (710) by being equipped with connecting rod (83), and it is used to shield material passage (81).

7. The reactor according to claim 6, wherein The collecting mechanism (8) further includes: Fixed ring (84), it is connected on the lower end surface of support plate (60), and it is used for detachable connection between filter bag (80) and support plate (60).

8. The reactor according to claim 4, wherein the first baffle (70) is provided with triangular grooves (72) on the side thereof, and the triangular grooves (72) are used to guide the solid product to the discharge port (81) when the first baffle (70) rotates with the main shaft (50). ​

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