Feeding and pulping device of centrifugal machine

Abstract

The utility model provides a feeding and pulping device of a centrifugal machine, which can effectively solve the problem of material layering, a self-circulation system of a centrifugal pump 2 enables materials to be fully mixed and enables the mixed materials to switch a valve to a discharge pipeline 8 of the centrifugal pump, and the mixed materials are uniformly distributed in a rotary drum 4a of the centrifugal machine through a material distributor 4b of the centrifugal machine. The centrifugal machine 4 stably operates in the high-speed rotating process, the time of the centrifugal process is shortened, and failure alarm of the centrifugal machine 4 caused by abnormal shaking is avoided. The feeding and pulping device of the centrifugal machine is simple in structure, high in applicability and capable of being effectively used for materials with different properties.

Description

Technical Field

[0001] This utility model relates to the technical field of feeding and pulping devices for pharmaceutical and chemical industries, specifically to a feeding and pulping device for a pharmaceutical and chemical centrifuge. Background Technology

[0002] In pharmaceutical and chemical enterprises, centrifugation is a crucial step in the production process, as the moisture content of wet products affects subsequent drying time. Existing centrifuge feed pipes from reaction vessels are relatively long, making it easy for the solid and liquid phases to separate during transport. This can lead to uneven material distribution within the centrifuge, causing abnormal centrifuge vibration and poor dehydration efficiency. Therefore, the uniformity of the material during centrifuge feeding is a critical factor.

[0003] CN201703873U describes a method of conveying materials into a centrifuge using a pressure device within a conveying pipeline. While this improves conveying efficiency, it can lead to solid-liquid stratification within the pipeline for materials containing both solid and liquid phases, resulting in uneven material distribution upon entering the centrifuge. Therefore, a centrifuge feeding and pulping device is needed. Utility Model Content

[0004] This utility model provides a centrifuge feeding and pulping device, including a storage tank 1, a centrifugal pump 2, a reactor discharge pipe 3, a centrifuge 4, a circulation pipe 5, a storage tank discharge pipe 6, a wastewater discharge pipe 7, a centrifugal pump discharge pipe 8, a waste gas discharge pipe 9, a level gauge 10, an upper pipe 11 for the level gauge, and a lower pipe 12 for the level gauge. The storage tank 1 is connected to the bottom of the storage tank by the storage tank discharge pipe 6, so that the storage tank 1 is connected to one end of the centrifugal pump 2. The other end of the centrifugal pump 2 is connected in series with the centrifugal pump discharge pipe 8, which can be connected to... Centrifuge 4 is equipped with a branch circulation pipe 5 on one side, which can be connected to storage tank 1. Centrifugal pump 2, centrifugal pump discharge pipe 8, circulation pipe 5, storage tank 1 and storage tank discharge pipe 6 form a self-circulating system. A branch wastewater discharge pipe 7 is provided on the side of storage tank discharge pipe 6. Reactor discharge pipe 3 and exhaust gas discharge pipe 9 are connected side by side to the upper position of storage tank 1. Storage tank 1 is installed close to centrifuge 4. Level gauge 10 is connected to the side wall of storage tank 1 through level gauge upper pipe 11 and level gauge lower pipe 12.

[0005] In some embodiments, flanges 1b, 1c, 1d, 1f, 1g, and 1h are installed around the tank body of storage tank 1, and respectively welded to a circulation pipe 5, a reactor discharge pipe 3, a waste gas discharge pipe 9, an upper pipe 11 for the level gauge, a lower pipe 12 for the level gauge, and a storage tank discharge pipe 6; preferably, an interface flange 1e is reserved above the tank body of storage tank 1 as a reserved pipe interface.

[0006] In some embodiments, the storage tank 1 is provided with an observation window 1a; preferably, the observation window 1a is located on the center line of the long axis of the storage tank 1.

[0007] In some implementations, the discharge pipe 3 of the reactor is equipped with a valve 3a; the exhaust pipe 9 is equipped with a check valve 9a and a valve 9b from top to bottom.

[0008] In some implementations, a valve 10a is installed below the level gauge 10; an upper valve 11a and a lower valve 12a are respectively provided on the upper pipe 11 and the lower pipe 12 of the level gauge.

[0009] In some embodiments, a valve 6a and a sight glass 6b are sequentially installed on the discharge pipe 6 of the storage tank, both located on the pipeline between the centrifugal pump 2 and the wastewater discharge pipe 7; the wastewater discharge pipe 7 is equipped with a valve 7a.

[0010] In some embodiments, a pressure gauge 8a, a check valve 8c, and a second valve 8d are sequentially installed on the centrifugal pump discharge pipe 8 from the centrifugal pump 2 outlet direction. The check valve 8c and the pressure gauge 8a are connected by a metal flexible connector 8b. A first valve 5a is installed on the circulation pipe 5, which is connected between the check valve 8c and the second valve 8d. The centrifugal pump discharge pipe 8 is connected to the centrifuge 4 via a flange 8e and a section of metal flexible hose 8f. The metal flexible hose 8f is detachably connected to the centrifuge 4.

[0011] In some embodiments, a centrifuge drum 4a is embedded inside the centrifuge 4, and a centrifuge feeder 4b is connected to the top cover of the centrifuge 4.

[0012] In some implementations, the size of the storage tank 1 can be varied depending on the volume of the material and the size of the centrifuge 4.

[0013] This invention provides a centrifuge feeding and pulping device that effectively solves the problem of material stratification. The centrifugal pump 2's self-circulating system ensures thorough mixing of the materials, and the mixed material is then switched through a valve to the centrifugal pump's discharge pipe 8. The mixture is then evenly distributed into the centrifuge drum 4a via the centrifuge distributor 4b, ensuring stable operation of the centrifuge 4 during high-speed rotation, shortening the centrifugation process time, and preventing centrifuge 4 malfunction alarms caused by abnormal vibration. This centrifuge feeding and pulping device has a simple structure, strong applicability, and is effective for materials of different properties. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0015] Figure 1 This is a cross-sectional view of the centrifuge feeding and pulping device of Example 1.

[0016] In the diagram: 1-Storage tank, 1a-Observation window, 1b-Flange, 1c-Flange, 1d-Flange, 1e-Flange, 1f-Flange, 1g-Flange, 1h-Flange, 2-Centrifugal pump, 3-Reaction vessel discharge pipe, 3a-Valve, 4-Centrifuge, 4a-Centrifuge drum, 4b-Centrifuge distributor, 5-Circulation pipe, 5a-First valve, 6-Storage tank discharge pipe, 6a-Valve, 6b-Sight glass, 7-Wastewater discharge pipe, 7a-Valve, 8-Centrifugal pump discharge pipe, 8a-Pressure gauge, 8b-Metal flexible joint, 8c-Check valve, 8d-Second valve, 8e-Flange, 8f-Metal flexible hose, 9-Exhaust gas discharge pipe, 9a-Check valve, 9b-Valve, 10-Level gauge, 10a-Level gauge valve, 11-Level gauge upper pipe, 11a-Upper valve, 12-Level gauge lower pipe, 12a-Lower valve. Detailed Implementation

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. Unless stated to the contrary, the terms used in the specification and claims have the following meanings.

[0018] In this utility model, "materials" refers to the general term for raw materials, excipients, finished products, intermediate products, and other items that circulate in pharmaceutical production.

[0019] In the description of this application, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0020] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between the components; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0021] In the description of this application, it should be understood that the terms "upper", "lower", "side", "front", "rear", etc., indicate the orientation or positional relationship based on the installation orientation or positional relationship, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0022] To better understand the purpose, advantages, and features of this utility model, the technical solutions in the embodiments will be described in detail below with reference to the accompanying drawings to facilitate a full understanding of this utility model. This utility model can also be implemented in other ways different from those described herein; therefore, the scope of protection of this utility model is not limited to the specific embodiments disclosed below. Based on the embodiments of this utility model, those skilled in the art can obtain other improvements based on these drawings without creative effort. The embodiments described below are merely some embodiments of this utility model, not all embodiments.

[0023] Example 1

[0024] Figure 1The centrifuge feeding and pulping device shown includes a storage tank 1, a centrifugal pump 2, a reactor discharge pipe 3, a centrifuge 4, a circulation pipe 5, a storage tank discharge pipe 6, a wastewater discharge pipe 7, a centrifugal pump discharge pipe 8, an exhaust gas discharge pipe 9, a level gauge 10, an upper pipe 11 for the level gauge, and a lower pipe 12 for the level gauge. The storage tank 1 is connected to the storage tank discharge pipe 6 at its bottom via a flange 1h, connecting the storage tank 1 to the centrifugal pump 2. A branch pipe, the wastewater discharge pipe 7, is located on the side of the storage tank discharge pipe 6 for discharging wastewater used to clean the storage tank 1. The wastewater discharge pipe 7 is equipped with a valve 7a, which is normally closed but opened during equipment cleaning. The storage tank discharge pipe 6 is equipped with a valve 6a and a sight glass 6b, located above the pipe 7. The sight glass 6b allows observation of whether the material is uniform. The reactor discharge pipe 3 and the exhaust pipe 9 are connected side-by-side at the top of the storage tank 1 via flanges 1c and 1d. The other end of the reactor discharge pipe 3 is connected to the reactor, and a valve 3a is installed on it. When in use, opening valve 3a allows material to flow from the reactor through the discharge pipe 3 into the storage tank 1; closing valve 3a stops the material flow. The other end of the exhaust pipe 9 is connected to the workshop's main exhaust pipe. From top to bottom, the exhaust pipe 9 is equipped with a check valve 9a and a valve 9b. The check valve 9a prevents workshop exhaust gas from entering the storage tank 1. A flange 1e is pre-installed on the storage tank 1 for subsequent installation of pipes or other equipment. An observation window 1a is located along the centerline of the long axis of the storage tank 1 for observing changes in the material inside the tank. The storage tank 1 is installed close to the centrifuge 4. The centrifuge drum 4a is embedded inside the centrifuge 4 to form a cavity. The material can be separated under the high-speed rotation of the centrifuge drum 4a. The centrifuge distributor 4b is connected to the top cover of the centrifuge 4, which can distribute the material inside the centrifuge drum 4a. One end of the centrifugal pump discharge pipe 8 is installed on the centrifugal pump 2, and the other end is connected to the centrifuge 4 through a metal flexible hose 8f. A pressure gauge 8a is installed on the centrifugal pump discharge pipe 8 near the centrifugal pump 2 to monitor the pressure at the outlet of the centrifugal pump 2. A check valve 8c is provided on the centrifugal pump discharge pipe 8, and the check valve 8c and the pressure gauge 8a are connected by a metal flexible joint 8b. The check valve 8c can prevent material backflow, and the metal flexible joint 8b has a buffering effect. A branch circulation pipe 5 is provided above the check valve 8c of the centrifugal pump discharge pipe 8, and its other end is fixedly installed on the storage tank 1 through a flange 1b. The circulation pipe 5 has a first valve 5a and a second valve 8d on the centrifugal pump discharge pipe 8. The circulation pipe 5 is connected between the check valve 8c and the second valve 8d. The centrifugal pump discharge pipe 8 is connected to the centrifuge 4 through a flange 8e and a section of the metal flexible hose 8f. The metal flexible hose 8f is detachably connected to the centrifuge 4 to meet the needs of frequent opening of the centrifuge lid.A valve 10a is installed below the level gauge 10 for draining accumulated liquid. The level gauge 10 is connected to the side wall of the storage tank 1 through the upper pipe 11 and the lower pipe 12. The upper pipe 11 and the lower pipe 12 are fixedly installed on the storage tank 1 through flanges 1f and 1g, respectively. The level gauge reading can be used to determine the amount of material entering the tank. The upper pipe 11 and the lower pipe 12 are equipped with an upper valve 11a and a lower valve 12a, respectively, for the purpose of maintaining the level gauge and are usually kept in the open state.

[0025] When the equipment is running, first close the second valve 8d and open the first valve 5a. The material in the storage tank 1 forms a self-circulation and is fully mixed through the storage tank discharge pipe 6, centrifugal pump 2, centrifugal pump discharge pipe 8, and circulation pipe 5. Observe whether the material is uniform through the sight glass 6b. If it is uniform, open the second valve 8d and close the first valve 5a to allow a portion of the material to enter the centrifuge 4 through the centrifugal pump discharge pipe 8. At this time, the centrifuge distributor 4b distributes the material evenly in the centrifuge drum 4a, so that the centrifuge 4 can maintain stable operation during high-speed rotation, which can shorten the centrifugation process time and avoid the centrifuge 4 malfunction alarm caused by abnormal shaking.

[0026] The above description is only a preferred embodiment of the present utility model and is not intended to limit the scope of protection of the present utility model. Any modifications, equivalent modifications, improvements, etc. made within the spirit and principles of the present utility model are included within the scope of protection of the present utility model.

Claims

1. A centrifuge feeding and pulping device, characterized in that, The centrifuge feeding and pulping device includes a storage tank (1), a centrifugal pump (2), a reactor discharge pipe (3), a centrifuge (4), a circulation pipe (5), a storage tank discharge pipe (6), a wastewater discharge pipe (7), a centrifugal pump discharge pipe (8), a waste gas discharge pipe (9), a level gauge (10), an upper pipe (11) for the level gauge, and a lower pipe (12) for the level gauge. The storage tank (1) is connected to the bottom of the storage tank (6), so that the storage tank (1) is connected to one end of the centrifugal pump (2). The other end of the centrifugal pump (2) is connected in series with the centrifugal pump discharge pipe (8), which is connected to the centrifuge (4). A branch circulation pipe (5) is provided on one side, and the circulation pipe (5) is connected to the storage tank (1). A self-circulating system is formed between the centrifugal pump (2), the centrifugal pump discharge pipe (8), the circulation pipe (5), the storage tank (1), and the storage tank discharge pipe (6). A branch pipe wastewater discharge pipe (7) is provided on the side of the storage tank discharge pipe (6). The reactor discharge pipe (3) and the exhaust gas discharge pipe (9) are connected side by side to the upper position of the storage tank (1). The storage tank (1) is installed close to the centrifuge (4). The level gauge (10) is connected to the side wall of the storage tank (1) through the upper pipe (11) and the lower pipe (12) of the level gauge.

2. The centrifuge feeding and pulping device according to claim 1, characterized in that, Flanges (1b), (1c), (1d), (1f), (1g) and (1h) are installed around the tank body of the storage tank (1), and respectively welded to the circulation pipe (5), the reactor discharge pipe (3), the exhaust gas discharge pipe (9), the upper pipe of the level gauge (11), the lower pipe of the level gauge (12), and the storage tank discharge pipe (6).

3. The centrifuge feeding and pulping device according to claim 2, characterized in that, The storage tank (1) has a pre-installed interface flange (1e) on the top of the tank body.

4. The centrifuge feeding and pulping device according to claim 1, characterized in that, The storage tank (1) is provided with an observation window (1a).

5. The centrifuge feeding and pulping device according to claim 4, characterized in that, The observation window (1a) is located on the center line of the long axis of the tank body of storage tank 1.

6. The centrifuge feeding and pulping device according to claim 1, characterized in that, A valve (3a) is provided on the discharge pipe (3) of the reactor; a check valve (9a) and a valve (9b) are provided on the exhaust pipe (9) from top to bottom.

7. The centrifuge feeding and pulping device according to claim 1, characterized in that, A valve (10a) is installed below the level gauge (10); an upper valve (11a) and a lower valve (12a) are respectively installed on the upper pipe (11) and the lower pipe (12) of the level gauge.

8. The centrifuge feeding and pulping device according to claim 1, characterized in that, A valve (6a) and a sight glass (6b) are sequentially installed on the discharge pipe (6) of the storage tank, and both are located on the pipeline between the centrifugal pump (2) and the wastewater discharge pipe (7); a valve (7a) is installed on the wastewater discharge pipe (7).

9. The centrifuge feeding and pulping device according to claim 1, characterized in that, The centrifugal pump discharge pipe (8) is sequentially equipped with a pressure gauge (8a), a check valve (8c), and a second valve (8d) in the direction of the centrifugal pump (2). The check valve (8c) and the pressure gauge (8a) are connected by a metal flexible joint (8b). The circulation pipe (5) has a first valve (5a) and is connected between the check valve (8c) and the second valve (8d). The centrifugal pump discharge pipe (8) is connected to the centrifuge (4) through a flange (8e) and a metal hose (8f). The metal hose (8f) is detachably connected to the centrifuge (4).

10. The centrifuge feeding and pulping device according to claim 1, characterized in that, The centrifuge (4) is fitted with a centrifuge drum (4a) and the centrifuge feeder (4b) is connected to the top cover of the centrifuge (4).

11. The centrifuge feeding and pulping device according to claim 1, characterized in that, The size of the storage tank (1) can be changed according to the volume of the material and the size of the centrifuge (4).

Images