Intermittent dosing mechanism of rectifying tower

Abstract

The utility model discloses an intermittent dosing mechanism for a rectifying tower, and particularly relates to the field of rectifying tower charging. The intermittent dosing mechanism comprises a rectifying tower, and one side of the surface of the rectifying tower is lapped with a heat-insulating heating pipeline; one side of the heat preservation heating pipeline is connected with a branch opening in an embedded mode. When the rectifying tower is used, the heat preservation heating pipeline provides a stable heating environment through the heater, so that the rectifying process is ensured to be smoothly carried out; due to the arrangement of the branch ports and the shunting pipelines, the dosing process is more flexible and controllable; due to introduction of the closing valve, medicine leakage is effectively prevented; the timer is matched with the infusion pump for use, so that intermittent and accurate feeding of medicines is realized; in addition, due to the application of a temperature sensor and a pressure sensor, the state of the rectification process can be monitored in real time, automatic management is achieved in cooperation with a control system, the working efficiency is greatly improved, and due to the arrangement of a protective cover, the safety of a heater is protected, and the stability of the whole mechanism is enhanced.

Description

Technical Field

[0001] The utility model relates to the field of distillation tower feeding, and more specifically, to an intermittent feeding mechanism for a distillation tower. Background Art

[0002] A distillation tower is a tower-type gas-liquid contact device for distillation. It uses the different volatilities of the components in the mixture, that is, the different vapor pressures of the components at the same temperature, to transfer the light components (low-boiling substances) in the liquid phase to the gas phase, and the heavy components (high-boiling substances) in the gas phase to the liquid phase, thereby achieving the purpose of separation. The distillation tower is also a mass transfer and heat transfer device that is widely used in petrochemical production.

[0003] After searching, the existing patent (application number: 202222108755.6) discloses a dosing device for an intermittent distillation tower, including a distillation tower; a storage tank is provided at one end of the distillation tower, and one end of the storage tank is connected to the distillation tower through an infusion pipeline, and a pump, a flow meter, a first solenoid valve and a dosing device are installed in sequence along one side close to the storage tank at one end of the infusion pipeline; in the utility model, the raw material entering the distillation tower is passed into the annular cavity from the branch pipe, and a plurality of thinning cavities are provided on the lower side of the annular cavity, and the thickness of the raw material after entering the distillation tower is apportioned through the thinning cavity, and the raw material is made to flow slowly along the inner wall of the distillation tower, which can avoid large-area contact between the raw material and the gas phase or liquid phase, and can also prolong the contact time between the raw material and the liquid phase, so that the raw material is preheated on the inner wall of the distillation tower, and will not cause too much impact on its temperature when in contact with the liquid phase. Through multiple groups of branch pipes and annular cavities, the impact on the original product in the distillation tower can be reduced, making the operation of the distillation tower more stable. The inventor discovered the following problems in the prior art during the implementation of the utility model:

[0004] This type of intermittent dosing device for distillation tower has poor functionality, a relatively simple structure, lacks a certain temperature heating for the added material, and a slow dosing method, low working efficiency, and is relatively inconvenient to use;

[0005] Therefore, in view of the above problems, an intermittent dosing mechanism for a distillation tower is proposed. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides an intermittent dosing mechanism for a distillation tower to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an intermittent dosing mechanism for a distillation tower, comprising a distillation tower, wherein one side of the surface of the distillation tower is overlapped and connected with a thermal insulation and heating pipe; one side of the thermal insulation and heating pipe is embedded and connected with a branch port, the other side of the surface of the thermal insulation and heating pipe is embedded and connected with a shunt pipe, the middle part of the shunt pipe is embedded and connected with a closing valve, the other side of the shunt pipe is embedded and connected with a delivery pipe, the middle part of the delivery pipe is embedded and connected with a timer, one side of the bottom of the delivery pipe is fixedly connected with an infusion pump, one side of the infusion pump is fixedly connected with a medicine storage box, the interior of the thermal insulation and heating pipe is nested and connected with an insulation inner pipe, the bottom of the thermal insulation and heating pipe is fixedly connected with a protective cover, the interior of the protective cover is embedded and connected with a heater, one side of the interior of the distillation tower is tightly fitted with a temperature sensor, the other side of the interior of the distillation tower is tightly fitted with a pressure sensor, and the surface of the pressure sensor is overlapped and connected with a control system.

[0008] Preferably, a one-way valve is nested inside the branch port and connected thereto.

[0009] Preferably, a weighing module is overlapped and connected inside the medicine storage box.

[0010] Preferably, the distillation tower, the thermal insulation and heating pipeline and the diversion pipeline are arranged in a left-right structure distribution, and the branch port connects the distillation tower and the thermal insulation and heating pipeline.

[0011] Preferably, the heater is located in the lower half of the inner part of the thermal insulation heating pipe, and the inner wall of the thermal insulation heating pipe is attached with an insulation inner pipe.

[0012] Preferably, the closing valve further blocks the diversion pipeline to form a flexible closed flow structure.

[0013] Preferably, the outer wall of the one-way valve is connected to the inner wall of the branch port, and the number of the one-way valves is four.

[0014] Preferably, the weighing module is connected to an infusion pump to implement a drug adding weighing structure and is connected to a control system.

[0015] Technical effects and advantages of the utility model:

[0016] Compared with the prior art, when this intermittent dosing mechanism of the distillation tower is in use, the heat-insulating heating pipe provides a stable heating environment through the heater to ensure the smooth progress of the distillation process; the setting of the branch port and the shunt pipe makes the dosing process more flexible and controllable; the introduction of the closing valve effectively prevents the leakage of the drug; the coordinated use of the timer and the infusion pump realizes the intermittent and precise delivery of the drug; the drug storage box provides sufficient drug reserves. In addition, the application of temperature sensors and pressure sensors enables the status of the distillation process to be monitored in real time, and automatic management is realized in conjunction with the control system, which greatly improves work efficiency. The setting of the protective cover not only protects the safety of the heater, but also enhances the stability of the entire mechanism. The mechanism has outstanding advantages, compact structure, easy operation, safety and reliability, and can realize precise control of the temperature, pressure and drug delivery in the distillation tower, thereby improving the efficiency and quality of the distillation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the front view structure of the overall thermal insulation heating pipeline of the utility model.

[0019] Figure 3 It is a schematic diagram of the structure of the enlarged point A of the utility model as a whole.

[0020] Figure 4 It is a schematic diagram of the overall control system flow structure of the utility model.

[0021] The accompanying drawings are marked as follows: 1. distillation tower; 2. insulation and heating pipe; 3. branch port; 4. diversion pipe; 5. closing valve; 6. delivery pipe; 7. timer; 8. infusion pump; 9. medicine storage box; 10. insulation inner pipe; 11. one-way valve; 12. protective cover; 13. heater; 14. control system; 15. temperature sensor; 16. pressure sensor; 17. weighing module. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] As attached Figure 1-4The intermittent dosing mechanism of a distillation tower shown in the figure comprises a distillation tower 1, wherein one side of the surface of the distillation tower 1 is overlapped and connected with a heat-insulating heating pipe 2; one side of the heat-insulating heating pipe 2 is embedded and connected with a branch port 3, the other side of the surface of the heat-insulating heating pipe 2 is embedded and connected with a shunt pipe 4, the middle part of the shunt pipe 4 is embedded and connected with a closing valve 5, the other side of the shunt pipe 4 is embedded and connected with a delivery pipe 6, the middle part of the delivery pipe 6 is embedded and connected with a timer 7, one side of the bottom of the delivery pipe 6 is fixedly connected with an infusion pump 8, one side of the infusion pump 8 is fixedly connected with a medicine storage box 9, the inside of the heat-insulating heating pipe 2 is nested and connected with a heat-insulating inner pipe 10, the bottom of the heat-insulating heating pipe 2 is fixedly connected with a protective cover 12, the inside of the protective cover 12 is embedded and connected with a heater 13, one side of the interior of the distillation tower 1 is tightly fitted with a temperature sensor 15, the other side of the interior of the distillation tower 1 is tightly fitted with a pressure sensor 16, the surface of the pressure sensor 16 is overlapped and connected with a control system 14, and the inside of the branch port 3 is nested and connected with a one-way valve 11.

[0025] Among them: the heat-insulating heating pipe 2 provides a stable heating environment through the heater 13 to ensure the smooth progress of the distillation process; the setting of the branch port 3 and the shunt pipe 4 makes the drug addition process more flexible and controllable; the introduction of the closing valve 5 effectively prevents the leakage of the drug; the coordinated use of the timer 7 and the infusion pump 8 realizes the intermittent and precise delivery of the drug; the drug storage box 9 provides sufficient drug reserves. In addition, the application of the temperature sensor 15 and the pressure sensor 16 enables the state of the distillation process to be monitored in real time, and the control system is cooperated to realize automatic management, which greatly improves the work efficiency. The setting of the protective cover 12 not only protects the safety of the heater 13, but also enhances the stability of the entire mechanism. The mechanism has outstanding advantages, compact structure, easy operation, safety and reliability, and can realize precise control of the temperature, pressure and drug delivery in the distillation tower, thereby improving the efficiency and quality of the distillation process.

[0026] Embodiment 2

[0027] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working method, as described below:

[0028] like Figure 4 As shown, as a preferred embodiment; the internal part of the medicine storage box 9 is overlapped and connected with a weighing module 17. Further, the weighing module 17 can accurately measure the weight of the medicine to ensure the accuracy of the dosage, thereby ensuring the stability of the distillation process and the product quality.

[0029] The working process of the utility model is as follows:

[0030] When this intermittent dosing mechanism of the distillation tower is in use, the heat-insulating heating pipe 2 provides a stable heating environment through the heater 13 to ensure the smooth progress of the distillation process; the setting of the branch port 3 and the diversion pipe 4 makes the dosing process more flexible and controllable; the introduction of the closing valve 5 effectively prevents the leakage of the drug; the coordinated use of the timer 7 and the infusion pump 8 realizes the intermittent and precise delivery of the drug; the drug storage box 9 provides sufficient drug reserves. In addition, the application of the temperature sensor 15 and the pressure sensor 16 enables the state of the distillation process to be monitored in real time, and the control system is used to realize automatic management, which greatly improves the work efficiency. The setting of the protective cover 12 not only protects the safety of the heater 13, but also enhances the stability of the entire mechanism. The mechanism has outstanding advantages, compact structure, easy operation, safety and reliability, and can realize precise control of the temperature, pressure and drug delivery in the distillation tower, thereby improving the efficiency and quality of the distillation process. This is the working process and working principle of the device.

[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0032] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An intermittent dosing mechanism for a distillation tower, comprising a distillation tower (1), characterized in that: A heat-insulating heating pipe (2) is overlapped and connected to one side of the surface of the distillation tower (1); A branch port (3) is embedded and connected to one side of the heat preservation and heating pipe (2); a shunt pipe (4) is embedded and connected to the other side of the surface of the heat preservation and heating pipe (2); a closing valve (5) is embedded and connected to the middle part of the shunt pipe (4); a delivery pipe (6) is embedded and connected to the other side of the shunt pipe (4); a timer (7) is embedded and connected to the middle part of the delivery pipe (6); an infusion pump (8) is fixedly connected to one side of the bottom of the delivery pipe (6); and one side of the infusion pump (8) is fixedly connected to the A medicine storage box (9) is connected, the interior of the heat-insulating heating pipe (2) is nested with a heat-insulating inner pipe (10), the bottom of the heat-insulating heating pipe (2) is fixedly connected with a protective cover (12), the interior of the protective cover (12) is embedded with a heater (13), one side of the interior of the distillation tower (1) is tightly fitted with a temperature sensor (15), the other side of the interior of the distillation tower (1) is tightly fitted with a pressure sensor (16), and the surface of the pressure sensor (16) is overlapped and connected with a control system (14).

2. The intermittent dosing mechanism for a distillation tower according to claim 1, characterized in that: A one-way valve (11) is nested and connected inside the branch port (3).

3. The intermittent dosing mechanism for a distillation tower according to claim 1, characterized in that: A weighing module (17) is overlapped and connected inside the medicine storage box (9).

4. The intermittent dosing mechanism for a distillation tower according to claim 1, characterized in that: The distillation tower (1), the heat preservation and heating pipeline (2) and the flow dividing pipeline (4) are arranged in a left-right structure distribution, and the branch port (3) connects the distillation tower (1) and the heat preservation and heating pipeline (2).

5. The intermittent dosing mechanism for a distillation tower according to claim 1, characterized in that: The heater (13) is located in the lower half of the interior of the thermal insulation heating pipe (2), and the inner wall of the thermal insulation heating pipe (2) is attached with a thermal insulation inner pipe (10).

6. The intermittent dosing mechanism for a distillation tower according to claim 1, characterized in that: The closing valve (5) further blocks the diversion pipeline (4) to form a flexible closed flow structure.

7. The intermittent dosing mechanism for a distillation tower according to claim 2, characterized in that: The outer wall of the one-way valve (11) is connected to the inner wall of the branch port (3), and there are four of them.

8. The intermittent dosing mechanism for a distillation tower according to claim 3, characterized in that: The weighing module (17) is connected to the infusion pump (8) to perform a drug addition weighing structure, and is connected to the control system (14).

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