Segmented feeding device for reaction kettle and reaction kettle comprising same

Abstract

The utility model provides a kind of for the sectional feeding device of reaction kettle and the reaction kettle comprising it, sectional feeding device includes material cylinder body, material cylinder body includes feed inlet, discharge port and be located between feed inlet, discharge port and along the axial direction of material cylinder body sequentially arranged multiple storage cavities, the discharge end of each storage cavity is equipped with opening, opening is equipped with the closure for closing opening and can be opened and closed;Discharge port is used to be connected with the feeding port of reaction kettle, discharge port is equipped with discharge control valve, feed inlet is equipped with sealing cover.The utility model can effectively avoid the introduction of impurities and oxygen in the process of supplementing material by the sectional feeding device, reduce the pollution risk in material adding process, and the accurate control can be achieved for each time feeding amount, to improve product quality.Meanwhile, personnel can also avoid frequent direct contact with material, so that material is contaminated and affects product quality, or contact harmful material leads to safety accident.

Description

Technical Field

[0001] This utility model relates to a segmented feeding device for a reaction vessel and a reaction vessel containing the device. Background Technology

[0002] Chemical production often involves reactions accompanied by rapid temperature increases. To improve safety during the reaction process, methods such as adding catalysts in stages under conditions that avoid oxygen exposure are generally employed. However, in actual production, especially when automation is not yet widespread, operators often open the reactor manhole cover multiple times during the reaction to add materials. This practice carries risks such as materials turning yellow due to oxygen exposure, injuries from direct contact with materials, and the introduction of impurities into the reaction system. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the defect of repeatedly opening the manhole cover of the reactor for feeding in the prior art, and to provide a segmented feeding device for the reactor and a reactor containing the device.

[0004] The present invention solves the above-mentioned technical problems through the following technical solution:

[0005] This utility model provides a segmented feeding device for a reaction vessel. The segmented feeding device includes a material cylinder body, which includes an inlet, an outlet, and a plurality of storage chambers arranged sequentially between the inlet and the outlet along the axial direction of the material cylinder body. Each storage chamber has an opening at its outlet end, and the opening is provided with a closure member that can be opened and closed to close the opening.

[0006] The discharge port is used to connect to the feed port of the reactor. The discharge port is equipped with a discharge control valve, and the feed port is equipped with a sealing cap.

[0007] In this solution, a segmented feeding device allows for the pre-placement of different materials in different storage chambers according to the addition sequence. During feeding, the opening of the corresponding storage chamber is opened for material addition. This segmented feeding device effectively avoids the introduction of impurities and oxygen during material replenishment. The entire feeding process takes place within a closed cylinder, reducing the risk of contamination during material addition. Furthermore, it allows for precise control of the amount added each time, thereby improving product quality. It also avoids frequent direct contact between personnel and materials, preventing contamination that could affect product quality, or contact with hazardous materials that could lead to safety accidents.

[0008] Preferably, the closure is a rotatable baffle, which includes a blocking part and a connecting part. The blocking part matches the opening and is used to close the opening. The connecting part is used to connect to a drive mechanism, which is used to control the rotation of the rotatable baffle through the connecting part.

[0009] In this solution, a rotatable baffle is controlled by a drive mechanism to achieve automatic control of the material feeding process.

[0010] Preferably, the drive mechanism is a servo motor, and the motor shaft of the servo motor is connected to the connecting part via a sealed coupling.

[0011] In this solution, the size of the opening can be precisely controlled by a servo motor, which can effectively control the amount of material added and ensure product quality.

[0012] Preferably, the segmented feeding device further includes a control mechanism, which is connected to the drive mechanism.

[0013] Preferably, the segmented feeding device further includes a vibrator, which is installed on the outer wall of the material cylinder body and is connected to a control mechanism.

[0014] In this scheme, the vibrator can ensure that the material in the storage chamber can enter the reactor quickly and fully. On the one hand, it avoids the problem of some material remaining in the storage chamber, which would result in insufficient material addition and affect product quality or reaction efficiency. On the other hand, it can ensure that the material in the storage chamber is added to the reactor quickly within a specified time, thus ensuring the timeliness of material addition.

[0015] Preferably, each of the storage chambers is provided with a compressed air interface at its upper end, and the compressed air interface is connected to an external air source through a pneumatic pipe.

[0016] In this solution, residual material on the inner wall of the storage chamber is purged by an external air source to ensure that no material remains.

[0017] Preferably, the bottom of the inner wall of each of the storage cavities is configured in a V-shape.

[0018] In this design, the bottom of the inner wall of the storage chamber is designed with a V-shape to further utilize gravity to accelerate the material's slide and reduce residual dead corners.

[0019] Preferably, the included angle of the V-shaped structure is 15° to 130°.

[0020] Preferably, the inner wall of the storage cavity is coated with a lubricating coating.

[0021] In this solution, a lubricating coating is sprayed onto the inner wall of the storage chamber to ensure that powdered or granular materials slide down smoothly, further preventing material residue in the storage chamber.

[0022] This utility model also provides a reaction vessel, which includes the segmented feeding device described above.

[0023] The significant advantages of this invention are as follows: This invention utilizes a segmented feeding device to pre-place different materials to be added in different storage chambers according to the order of addition. During feeding, the opening of the corresponding storage chamber is opened. This segmented feeding device effectively avoids the introduction of impurities and oxygen during material replenishment. The entire feeding process takes place within a closed cylinder, reducing the risk of contamination during material addition. Furthermore, it allows for precise control of the amount added each time, thereby improving product quality. Simultaneously, it avoids frequent direct contact between personnel and materials, preventing contamination that could affect product quality, or contact with harmful materials that could lead to safety accidents. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the segmented feeding device installed on the reactor in an embodiment of this utility model.

[0025] Figure 2 This is a schematic diagram of the segmented feeding device in an embodiment of the present invention.

[0026] Figure 3 This is a cross-sectional schematic diagram of the storage chamber of the segmented feeding device in an embodiment of this utility model.

[0027] Figure 4 This is a schematic diagram of the structure of the sealing component of the segmented feeding device in an embodiment of this utility model.

[0028] Explanation of reference numerals in the attached figures:

[0029] The components include: a segmented feeding device 100, a cylinder body 110, a discharge port 101, a feed port 102, a first storage chamber 111, a second storage chamber 112, a third storage chamber 113, a fourth storage chamber 114, a rotatable baffle 120, a shielding part 1201, a connecting part 1202, a first baffle 121, a second baffle 122, a third baffle 123, a fourth baffle 124, a sealing cover 130, a servo motor 140, and a vibrator 150.

[0030] 200 reaction vessel. Detailed Implementation

[0031] The present invention will be described more clearly and completely below with reference to the accompanying drawings, using a preferred embodiment.

[0032] like Figure 1-4As shown, this embodiment provides a segmented feeding device 100 for a reactor 200. The segmented feeding device 100 includes a barrel body 110, which includes an inlet 102, an outlet 101, and multiple storage chambers arranged sequentially between the inlet 102 and the outlet 101 along the axial direction of the barrel body 110. Each storage chamber has an opening at its outlet end, and a closable sealing element is provided at the opening for sealing the opening. The outlet 101 is used to connect to the feed port of the reactor 200, and a discharge control valve (not shown in the figure) is provided at the outlet 101. The inlet 102 is provided with a sealing cap 130, which seals the material inside the barrel body 110. Specifically, in this embodiment, the barrel body 110 adopts a four-segment independent storage chamber design, and the volume of each storage chamber is customized according to the common feeding amount.

[0033] The segmented feeding device 100 allows for the pre-placement of different materials in different storage chambers according to the addition sequence. During feeding, the opening of the corresponding storage chamber is opened. This segmented feeding device 100 effectively prevents the introduction of impurities and oxygen during material replenishment. The entire feeding process takes place within the closed material cylinder body 110, reducing the risk of contamination during material addition. Furthermore, it allows for precise control of the amount added each time, thereby improving product quality. It also avoids frequent direct contact between personnel and materials, preventing contamination that could affect product quality, or contact with hazardous materials that could lead to safety accidents.

[0034] In this embodiment, as Figure 4 As shown, the sealing component is a rotatable baffle 120, which includes a blocking part 1201 and a connecting part 1202. The blocking part 1201 matches the opening and is used to close the opening. The connecting part 1202 is used to connect to the drive mechanism, which controls the rotation of the rotatable baffle 120 through the connecting part 1202. The rotatable baffle is controlled by the drive mechanism to achieve automatic control of the material feeding process. To prevent leakage between the two chambers, the two storage chambers are isolated by a double-layered sealing rotatable baffle. The rotatable baffle 120 is made of high-temperature resistant material (such as 316L stainless steel) and has embedded fluororubber sealing rings to ensure airtightness at high temperatures.

[0035] The driving mechanism is a servo motor 140, and the motor shaft of the servo motor 140 is connected to the connecting part 1202 via a sealed coupling. The servo motor 140 allows for precise control of the opening size, effectively controlling the amount of material added and ensuring product quality. In this embodiment, each rotatable baffle 120 is controlled by a separate servo motor 140.

[0036] In some other embodiments, a solenoid valve can be installed at the opening of the discharge end of each storage chamber to control the opening and closing of the opening. Alternatively, the opening and closing of the opening can be controlled by other conventional structures, the specific structures of which will not be described in detail here.

[0037] In this embodiment, the segmented feeding device 100 also includes a control mechanism (not shown in the figure), which is connected to the drive mechanism.

[0038] Preferably, the segmented feeding device 100 further includes a vibrator 150, which is installed on the outer wall of the material cylinder body 110 and connected to the control mechanism. The vibrator 150 allows the material in the storage chamber to enter the reactor 200 quickly and sufficiently. This avoids material residue in the storage chamber, which could lead to insufficient subsequent material addition and affect product quality or reaction efficiency. Furthermore, it ensures that the material in the storage chamber is added to the reactor 200 quickly within a specified time, guaranteeing timely material addition.

[0039] In this embodiment, each storage chamber is equipped with a compressed air interface (not shown in the figure) at its upper end. The compressed air interface is connected to an external air source via a pneumatic pipeline. The external air source is used to purge residual material from the inner wall of the storage chamber, ensuring no material remains. Specifically, the compressed air interface is connected to the external air source via a solenoid valve. After material feeding is complete, the solenoid valve is opened to introduce clean compressed air at 0.3-0.5 MPa into the pneumatic pipeline, purging any residual material from the inner wall of the storage chamber to ensure no material remains. The wires of the pneumatic pipeline and the servo motor 140 are all fitted with high-temperature resistant sheaths and are arranged along the outer wall of the material cylinder body 110 to avoid contact with the reaction system.

[0040] In this embodiment, as Figure 3 As shown, the bottom of the inner wall of each storage chamber is designed in a V-shape. Preferably, the included angle of the V-shape is 15° to 130°. The V-shape at the bottom of the inner wall of the storage chamber further utilizes gravity to accelerate the material's descent and reduces residual dead corners.

[0041] In this embodiment, a lubricating coating is sprayed onto the inner wall of the storage chamber. This lubricating coating ensures the smooth flow of powdered or granular materials, further preventing material residue in the storage chamber. Specifically, a nano-scale molybdenum disulfide lubricating coating is sprayed onto the inner wall of the storage chamber, reducing the coefficient of friction to below 0.05, thus ensuring the smooth flow of powdered or granular materials.

[0042] This embodiment also provides a reaction vessel 200, which includes the segmented feeding device 100 as described above.

[0043] In this embodiment, the control mechanism also includes a timing module containing an integrated timing control unit for controlling the feeding time. The control mechanism uses a high-temperature resistant ABS engineering plastic shell and is connected to the servo motor 140 of the rotatable baffle 120 via a waterproof interface, supporting timing accuracy adjustment from 0.1 seconds to 24 hours. The aforementioned timing module is a commercially available conventional component; the specific timing control principle will not be elaborated here.

[0044] The control mechanism also integrates a linkage drive system. Each rotatable baffle 120 is equipped with an independent servo motor 140 for drive. The motor shaft and the connection part 1202 of the rotatable baffle 120 are connected through a sealed coupling to ensure the airtightness of the cavity during the drive process. The linkage drive system can sequentially control the opening time, opening angle, and dwell time of each rotatable baffle 120 according to a preset program.

[0045] The control mechanism also includes a human-machine interface module, which includes an LCD display and buttons. It can display the current timing parameters and feeding progress in real time, and supports manual / automatic mode switching.

[0046] The control mechanism also has an emergency stop function. When the system detects abnormal temperature or excessive pressure in the reactor 200, it automatically triggers the shutdown procedure, locks all rotatable baffles 120, and issues an alarm.

[0047] The segmented feeding device 100 of this utility model will be described below through a specific feeding process.

[0048] In this embodiment, the barrel body 110 has four storage chambers. From the discharge port 101 to the inlet 102 of the barrel body 110, the four storage chambers are respectively designated as the first storage chamber 111, the second storage chamber 112, the third storage chamber 113, and the fourth storage chamber 114. Each storage chamber has a rotatable baffle 120 at its discharge end, designated as the first baffle 121, the second baffle 122, the third baffle 123, and the fourth baffle 124. To prevent the high temperature inside the reactor 200 from adversely affecting the material in the storage chambers, there is a distance between the first storage chamber 111 and the discharge port 101.

[0049] When adding material to the cylinder body 110 of the segmented feeding device 100 in advance, first close the discharge control valve of the discharge port 101 and the first baffle 121, open the second baffle 122, the third baffle 123 and the fourth baffle 124, then add the preset weight of material to be added to the reactor 200 for the first time to the first storage chamber 111, then close the second baffle 122, add the preset weight of material to be added to the reactor 200 for the second time to the second storage chamber 112, and so on, add material to the third storage chamber 113 and the fourth storage chamber 114 in sequence. After adding the material, close the sealing cover 130 to isolate the inside of the storage chamber from the outside.

[0050] When adding materials into the reactor 200 via the segmented feeding device 100, the feeding time for the four segments can be set via the control mechanism, for example:

[0051] In the first stage, a first material needs to be added to reactor 200. Assuming the first material is added 3 hours after the start of the reaction in reactor 200, the opening time of the discharge control valve and the first baffle 121 is set to 3 hours later, with a discharge time of 10 minutes. After 3 hours, the control mechanism will automatically open the discharge control valve and the first baffle 121, and close the discharge control valve after 10 minutes. Closing the discharge control valve is to prevent high-temperature steam from reactor 200 from entering the storage chamber and affecting the subsequent addition of materials.

[0052] In the second stage, a second material needs to be added to the reactor 200. Assuming the second material is added 5 hours after the start of the reaction in reactor 200, the opening time of the discharge control valve and the second baffle 122 is set to 5 hours later, with a discharge time of 10 minutes. After 5 hours, the control mechanism will automatically open the discharge control valve and the second baffle 122, and close the discharge control valve after 10 minutes.

[0053] In the third stage, a third material needs to be added to reactor 200. Assuming the third material is added 7 hours after the start of the reaction in reactor 200, the opening time of the discharge control valve and the third baffle 123 is set to 7 hours later, with a discharge time of 10 minutes. After 7 hours, the control mechanism will automatically open the discharge control valve and the third baffle 123, and close the discharge control valve after 10 minutes.

[0054] In the fourth stage, a fourth material needs to be added to reactor 200. Assuming the fourth material is added 9 hours after the start of the reaction in reactor 200, the opening time of the discharge control valve and the fourth baffle 124 is set to 9 hours later, with a discharge time of 10 minutes. After 9 hours, the control mechanism will automatically open the discharge control valve and the fourth baffle 124, and close the discharge control valve after 10 minutes.

[0055] Each time material is added, the opening angle of the corresponding rotatable baffle 120 can be preset as needed. Each time material is added, it can be purged simultaneously by an external air source. On the one hand, the material can be blown into the reactor 200 to ensure that there is no residue in the cavity; on the other hand, it can prevent the high-temperature steam in the reactor 200 from entering the material cylinder body 110 and causing the material to stick to the inner wall of the material cylinder body 110.

[0056] The above describes the process of automatically controlling the feeding via a control mechanism. In other embodiments, feeding can also be performed manually. For example, before each feeding time, a timed reminder mechanism notifies the operator in advance. After receiving the notification, the operator prepares and then opens the corresponding rotatable baffle 120 and other corresponding mechanisms (external air source, vibrator, etc.) at the predetermined time.

[0057] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.

Claims

1. A segmented feeding device for a reaction vessel, characterized in that, The segmented feeding device includes a cylinder body, which includes an inlet, an outlet, and a plurality of storage chambers arranged sequentially between the inlet and the outlet along the axial direction of the cylinder body. Each storage chamber has an opening at its outlet end, and the opening is provided with a closure member that can be opened and closed to close the opening. The discharge port is used to connect to the feed port of the reactor. The discharge port is equipped with a discharge control valve, and the feed port is equipped with a sealing cap.

2. The segmented feeding device for a reactor as described in claim 1, characterized in that, The closure is a rotatable baffle, which includes a blocking part and a connecting part. The blocking part matches the opening and is used to close the opening. The connecting part is used to connect to a drive mechanism, and the drive mechanism is used to control the rotation of the rotatable baffle through the connecting part.

3. The segmented feeding device for a reactor as described in claim 2, characterized in that, The drive mechanism is a servo motor, and the motor shaft of the servo motor is connected to the connecting part through a sealed coupling.

4. The segmented feeding device for a reactor as described in claim 2, characterized in that, The segmented feeding device also includes a control mechanism, which is connected to the drive mechanism.

5. The segmented feeding device for a reactor as described in claim 4, characterized in that, The segmented feeding device also includes a vibrator, which is installed on the outer wall of the material cylinder body and is connected to the control mechanism.

6. The segmented feeding device for a reactor as described in claim 1, characterized in that, Each of the storage chambers is provided with a compressed air interface at its upper end, and the compressed air interface is connected to an external air source through a pneumatic pipe.

7. The segmented feeding device for a reactor as described in claim 1, characterized in that, The bottom of the inner wall of each of the storage cavities is configured with a V-shaped structure.

8. The segmented feeding device for a reactor as described in claim 7, characterized in that, The included angle of the V-shaped structure is 15° to 130°.

9. The segmented feeding device for a reaction vessel as described in claim 1, characterized in that, The inner wall of the storage chamber is coated with a lubricating coating.

10. A reaction vessel, characterized in that, The reactor includes a segmented feeding device as described in any one of claims 1-9.

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