Forward and reverse alternate feeding and discharging control device

Abstract

The utility model discloses a forward and reverse alternate feeding and discharging control device, and mainly relates to the field of feeding and discharging control of the pharmaceutical technology. Comprising a conveying pump arranged between a reaction tank and a temporary storage tank, a forward feeding pipe is arranged between the reaction tank and the conveying pump, a forward discharging pipe is arranged between the temporary storage tank and the conveying pump, and a reverse discharging pipe is arranged at the position, between the reaction tank and a forward control valve, of the forward feeding pipe in a communicating mode. And a reverse feeding pipe is arranged at the position, between the conveying pump and the forward control valve, of the forward feeding pipe in a communicating manner. The medicine component reverse conveying device has the advantages that the technical problems that when medicine components are reversely conveyed back to the reaction tank, operation is complex, and conveying efficiency is low can be solved, the conveying direction of the medicine components is conveniently controlled through the control valve, operation steps are greatly simplified, the workload of production personnel is reduced, and the production efficiency of the pharmaceutical technology is improved.

Description

Technical Field

[0001] This utility model relates to the field of pharmaceutical process feed and discharge control, specifically a forward and reverse alternating feed and discharge control device. Background Technology

[0002] In pharmaceutical processes, ineffective byproducts may be generated. These byproducts are clearly separated from the effective drug components, so it is generally necessary to remove the upper layer of ineffective byproducts from the reaction vessel. The existing removal method is to transfer the effective drug components to a temporary storage tank via a transfer pump, leaving the ineffective byproducts in the reaction vessel before draining them. Then, the effective drug components in the temporary storage tank are transferred back to the reaction vessel using a transfer pump. Since a reaction vessel is generally equipped with only one transfer pump, in actual operation, the pipelines at the inlet and outlet of the transfer pump need to be reversed to transfer the effective drug components back to the reaction vessel. This operation is complicated, affects the production efficiency of the pharmaceutical process, and increases the workload of production personnel. Utility Model Content

[0003] The purpose of this invention is to provide a forward and reverse alternating feed and discharge control device, which can solve the technical problems of complex operation and low conveying efficiency when drug components are transported back to the reaction tank in the reverse direction. By controlling the direction of drug component conveying through the control valve, the operation steps are greatly simplified, the workload of production personnel is reduced, and the production efficiency of pharmaceutical processes is improved.

[0004] To achieve the above objectives, this utility model employs the following technical solution:

[0005] A forward and reverse alternating feed control device includes a conveying pump disposed between a reaction tank and a temporary storage tank. A forward feed pipe is provided between the reaction tank and the conveying pump, and a forward discharge pipe is provided between the temporary storage tank and the conveying pump. Both the forward feed pipe and the forward discharge pipe are equipped with forward control valves. A reverse discharge pipe is connected to the forward feed pipe at a position between the reaction tank and the forward control valve. The other end of the reverse discharge pipe is connected to the forward discharge pipe at a position between the conveying pump and the forward control valve. A reverse feed pipe is connected to the forward feed pipe at a position between the conveying pump and the forward control valve. The other end of the reverse feed pipe is connected to the forward discharge pipe at a position between the temporary storage tank and the forward control valve. Both the reverse discharge pipe and the reverse feed pipe are equipped with reverse control valves.

[0006] Furthermore, it also includes a valve control assembly for controlling the on / off state of the forward control valve and the reverse control valve.

[0007] Furthermore, both the forward control valve and the reverse control valve are pneumatic valve structures.

[0008] Furthermore, the valve control assembly includes a control body, which is provided with a compressed air inlet pipe, a forward outlet pipe, a reverse outlet pipe, and a control switch. The forward outlet pipe is connected to a forward control valve, and the reverse outlet pipe is connected to a reverse control valve. The control switch is used to control the on / off state of the forward outlet pipe or the reverse outlet pipe.

[0009] Furthermore, the control switch is rotatably connected to the control body, and when the control switch is rotated, the compressed air inlet pipe is connected to the forward outlet pipe or the reverse outlet pipe.

[0010] Furthermore, the delivery pump is a diaphragm pump.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. The structure of this utility model is achieved by setting a reverse feed pipe and a reverse discharge pipe between the forward feed pipe and the forward discharge pipe. When the drug components are transported from the reaction tank to the storage tank, the drug components enter the storage tank along the forward feed pipe and the forward discharge pipe. After the ineffective auxiliary components in the reaction tank are removed, the effective drug components in the storage tank are transported back to the reaction tank through the reverse feed pipe and the reverse discharge pipe. The return of effective drug components can be quickly achieved without the need to reverse the pipeline, which greatly simplifies the operation steps, reduces the workload of production personnel, and improves the efficiency of pharmaceutical production.

[0013] 2. Both the forward feed pipe and the forward discharge pipe are equipped with forward control valves, and both the reverse discharge pipe and the reverse feed pipe are equipped with reverse control valves. The forward control valves control the on / off state of the forward feed pipe and the forward discharge pipe simultaneously, while the reverse control valves control the on / off state of the reverse discharge pipe and the reverse feed pipe simultaneously. This allows for convenient switching between the forward and reverse flow pipelines of the drug components, further simplifying the operation steps and improving the efficiency and convenience of the reflux of effective drug components. Attached Figure Description

[0014] Appendix Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] Appendix Figure 2 This is a forward flow path diagram of the effective drug component of this utility model.

[0016] Appendix Figure 3 This is a reverse flow path diagram of the effective drug component of this invention.

[0017] The labels shown in the attached diagram:

[0018] 1. Reaction vessel; 2. Temporary storage tank; 3. Transfer pump; 4. Forward feed pipe; 5. Forward discharge pipe; 6. Forward control valve; 7. Reverse discharge pipe; 8. Reverse feed pipe; 9. Reverse control valve; 10. Control unit; 11. Compressed air inlet pipe; 12. Forward air outlet pipe; 13. Reverse air outlet pipe; 14. Control switch. Detailed Implementation

[0019] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined in this application.

[0020] Reference Figure 1 and Figure 2 This utility model describes a forward and reverse alternating feed control device. The main structure includes a transfer pump 3 installed between a reaction tank 1 and a temporary storage tank 2. The transfer pump 3 is used to transport the effective drug components from the reaction tank 1 to the temporary storage tank 2 through a pipeline, allowing the ineffective byproducts remaining in the reaction tank 1 to be smoothly discharged, facilitating subsequent pharmaceutical processes. A forward feed pipe 4 is provided between the reaction tank 1 and the transfer pump 3, and the forward feed pipe 4 is connected to the inlet of the transfer pump 3. A forward discharge pipe 5 is provided between the temporary storage tank 2 and the transfer pump 3, and the forward discharge pipe 5 is connected to the outlet of the transfer pump 3. The effective drug components in the reaction tank 1 flow out from the forward feed pipe 4, pass through the transfer pump 3, and then enter the temporary storage tank 2 through the forward discharge pipe 5. Both the forward feed pipe 4 and the forward discharge pipe 5 are equipped with forward control valves. 6. The forward control valve 6 is used to simultaneously control the opening and closing of the forward feed pipe 4 and the forward discharge pipe 5, thereby controlling the on / off of the delivery pipeline for the effective drug component. A reverse discharge pipe 7 is connected to the forward feed pipe 4 at the position between the reaction tank 1 and the forward control valve 6. The other end of the reverse discharge pipe 7 is connected to the position between the delivery pump 3 and the forward control valve 6 on the forward discharge pipe 5. A reverse feed pipe 8 is connected to the forward feed pipe 4 at the position between the delivery pump 3 and the forward control valve 6. The other end of the reverse feed pipe 8 is connected to the position between the temporary storage tank 2 and the forward control valve 6 on the forward discharge pipe 5. Both the reverse discharge pipe 7 and the reverse feed pipe 8 are equipped with reverse control valves 9, which are used to simultaneously control the opening and closing of the reverse discharge pipe 7 and the reverse feed pipe 8. (Refer to...) Figure 3This structure allows for the rapid return of active pharmaceutical ingredients from storage tank 2 to reaction tank 1 when necessary. The forward control valve 6 is closed, and the reverse control valve 9 is opened. The active pharmaceutical ingredients from storage tank 2 flow out of the forward discharge pipe 5 and are then blocked by the forward control valve 6. They then flow from the reverse feed pipe 8 to the forward feed pipe 4 and into the delivery pump 3. Upon exiting the forward discharge pipe 5, they are again blocked by the forward control valve 6 and flow from the reverse discharge pipe 7 back to the forward feed pipe 4, ultimately returning to reaction tank 1. This allows for the rapid return of active pharmaceutical ingredients without requiring pipeline adjustments. Only the opening and closing of the forward control valve 6 and the reverse control valve 9 need to be controlled, greatly simplifying the operation for production personnel, reducing their workload, improving the efficiency of active pharmaceutical ingredient return, and enhancing the overall production efficiency of the pharmaceutical manufacturing process.

[0021] Preferably, it also includes a valve control assembly, which is used to control the on / off state of the forward control valve 6 and the reverse control valve 9. With this structure, when the effective drug component flows back, it is only necessary to use the control assembly to control the forward control valve 6 to close and the reverse control valve 9 to open, so as to quickly switch the flow pipeline, further simplify the operation steps and improve the convenience of the effective drug component reflux operation.

[0022] Preferably, both the forward control valve 6 and the reverse control valve 9 are pneumatic valve structures. Pneumatic valve structures utilize compressed gas to control the opening and closing of the valves, resulting in a faster response and higher efficiency and accuracy in opening and closing control.

[0023] Preferably, the valve control assembly includes a control body 10, which is a three-way structure. The control body 10 is provided with a compressed air inlet pipe 11, a forward outlet pipe 12, a reverse outlet pipe 13, and a control switch 14. Compressed air enters the control body 10 through the compressed air inlet pipe 11. The forward outlet pipe 12 is connected to the forward control valve 6, and the reverse outlet pipe 13 is connected to the reverse control valve 9. The control switch 14 is used to control the opening and closing of the forward outlet pipe 12 or the reverse outlet pipe 13. With this structure, the operation of the control switch 14 connects the compressed air inlet pipe 11 to the forward outlet pipe 12 or the reverse outlet pipe 13, thereby realizing the rapid opening and closing control of the forward control valve 6 or the reverse control valve 9.

[0024] Preferably, the control switch 14 is rotatably connected to the control body 10. The control switch 14 is a ball valve structure, which allows compressed air to pass through from different positions by rotation. When the control switch 14 is rotated, the compressed air inlet pipe 11 is connected to the forward outlet pipe 12 or the reverse outlet pipe 13. The structure is simple, the operation is convenient, and the control of the air outlet direction of the compression control is more accurate.

[0025] Preferably, the delivery pump 3 is a diaphragm pump. Diaphragm pumps have better self-priming ability and sealing performance, which can achieve accurate and rapid delivery of effective drug components, further improving the efficiency and accuracy of drug reflux.

[0026] Working Principle: This invention utilizes a reverse feed pipe 8 and a reverse discharge pipe 7 positioned between the forward feed pipe 4 and the forward discharge pipe 5. When the drug components are transported from the reaction vessel 1 to the storage tank 2, they flow along the forward feed pipe 4 and the forward discharge pipe 5 into the storage tank 2. After the ineffective byproducts in the reaction vessel 1 are completely removed, the effective drug components in the storage tank 2 are transported back to the reaction vessel 1 through the reverse feed pipe 8 and the reverse discharge pipe 7. This allows for rapid reflux of the effective drug components without the need for pipe reversal, greatly simplifying the operation. This streamlined process reduces the workload of production personnel and improves the efficiency of pharmaceutical production. Forward control valves 6 are installed on both the forward feed pipe 4 and the forward discharge pipe 5, while reverse control valves 9 are installed on both the reverse discharge pipe 7 and the reverse feed pipe 8. The forward control valves 6 simultaneously control the on / off state of the forward feed pipe 4 and the forward discharge pipe 5, and the reverse control valves 9 simultaneously control the on / off state of the reverse discharge pipe 7 and the reverse feed pipe 8, enabling convenient switching between the forward and reverse flow pipelines of the drug components. This further simplifies the operation steps and improves the efficiency and convenience of effective drug component reflux.

Claims

1. A forward and reverse alternating feed control device, comprising a conveying pump (3) disposed between a reaction tank (1) and a temporary storage tank (2), wherein a forward feed pipe (4) is provided between the reaction tank (1) and the conveying pump (3), and a forward discharge pipe (5) is provided between the temporary storage tank (2) and the conveying pump (3), wherein both the forward feed pipe (4) and the forward discharge pipe (5) are provided with a forward control valve (6), characterized in that: A reverse discharge pipe (7) is connected to the forward feed pipe (4) between the reaction tank (1) and the forward control valve (6). The other end of the reverse discharge pipe (7) is connected to the forward discharge pipe (5) between the conveying pump (3) and the forward control valve (6). A reverse feed pipe (8) is connected to the forward feed pipe (4) between the conveying pump (3) and the forward control valve (6). The other end of the reverse feed pipe (8) is connected to the forward discharge pipe (5) between the temporary storage tank (2) and the forward control valve (6). Both the reverse discharge pipe (7) and the reverse feed pipe (8) are equipped with reverse control valves (9).

2. The alternating forward and reverse feeding / discharging control device according to claim 1, characterized in that: It also includes a valve control assembly for controlling the on / off state of the forward control valve (6) and the reverse control valve (9).

3. The alternating forward and reverse feeding / discharging control device according to claim 2, characterized in that: Both the forward control valve (6) and the reverse control valve (9) are pneumatic valves.

4. The alternating forward and reverse feeding / discharging control device according to claim 3, characterized in that: The valve control assembly includes a control body (10), which is provided with a compressed air inlet pipe (11), a forward outlet pipe (12), a reverse outlet pipe (13), and a control switch (14). The forward outlet pipe (12) is connected to a forward control valve (6), and the reverse outlet pipe (13) is connected to a reverse control valve (9). The control switch (14) is used to control the opening and closing of the forward outlet pipe (12) or the reverse outlet pipe (13).

5. The alternating forward and reverse feeding / discharging control device according to claim 4, characterized in that: The control switch (14) is rotatably connected to the control body (10). When the control switch (14) is rotated, the compressed air inlet pipe (11) is connected to the forward outlet pipe (12) or the reverse outlet pipe (13).

6. The alternating forward and reverse feeding / discharging control device according to claim 1, characterized in that: The delivery pump (3) is a diaphragm pump.

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