Novel vacuum material pressing device
The novel vacuum pressurization device with a motor-driven screw shaft and pressure detection system addresses the inefficiencies in liquid-solid separation during rare earth extraction by ensuring effective vacuum conditions and controlled discharge, enhancing separation efficiency.
Patent Information
- Application Number
- CN202422331313.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-24
AI Technical Summary
The prior art lacks a vacuum negative pressure filter device with simple structure and convenient operation, making it difficult to efficiently realize the liquid-solid separation process.
A new type of vacuum compressed device is designed, and the vacuum connection head is drawn into a vacuum state, combined with a motor-driven press screw for material transport, and a pressure detection gauge is used to monitor the water pressure to achieve separation of material and liquid.
It improves the separation efficiency between materials and water, ensures the sealing inside the device, maintains a vacuum state, and simplifies the operation process.
Smart Images

Figure CN223096271U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vacuum feeding, and more specifically, the utility model relates to a novel vacuum feeding device. Background Technique
[0002] Rare earth extraction and separation is a hydrometallurgical process, which generally includes the following main stages: pretreatment of raw materials (crushing, roasting, decomposition) → leaching (acid, alkali, water, etc.) → purification of the solution, extraction and separation between rare earth elements and between rare earth and non-rare earth → precipitation, crystallization to precipitate compounds → drying, calcination.
[0003] Between the above-mentioned stages, a liquid-solid separation process is often involved, such as clarification, filtration, etc. In order to accelerate the liquid-solid separation process, a vacuum negative pressure filtration device with a simple structure and convenient operation needs to be designed to complete the suction filtration work under a negative pressure state.
[0004] Therefore, a novel vacuum feeding device is proposed. Content of the Utility Model
[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a novel vacuum feeding device to solve the problems put forward in the above background technique.
[0006] To achieve the above object, the utility model provides the following technical solution: a novel vacuum feeding device, including a feeding pipe, a vacuum connector is arranged on one side of the feeding pipe, a connecting pipe is installed at the top of the feeding pipe, a motor is supported at the top of the connecting pipe, a feeding screw is installed at the output end of the motor, a feeding pipe is arranged on one side of the feeding pipe, a drain pipe is connected to the other side of the feeding pipe, a pressure gauge is installed on the drain pipe, and a valve is arranged at the bottom end of the drain pipe.
[0007] By installing a vacuum pump at the vacuum connector on one side of the bottom end of the feeding pipe, the inside of the feeding pipe is pumped into a vacuum state, attracting the materials entering the feeding pipe from the feeding pipe to gather at the bottom of the feeding pipe. At the same time, the operation of the motor enables the feeding screw to cooperate to convey the materials, so that the materials are discharged from the discharge port at the bottom of the feeding pipe, and the liquid part enters the drain pipe. The pressure gauge detects the pressure in the drain pipe to avoid excessive water pressure, and the separated water can be discharged by opening the valve.
[0008] Preferably, the feeding screw includes a rod body and a conveying rod. The top end of the rod body is connected to the motor, the top end of the conveying rod is connected to the bottom end of the rod body. The conveying rod is a threaded rod, and the diameter size of the conveying rod is larger than the diameter size of the rod body.
[0009] Preferably, a machine base is installed at the top end of the connecting pipe, the motor is installed on the machine base, and a first locking sleeve is installed on the outer side of the connecting pipe.
[0010] Preferably, the top end of the rod body is connected to the motor, and a shaft seal is provided at the connection between the rod body and the connecting pipe, and a first seal is provided at the bottom of the shaft seal.
[0011] Preferably, a locking head is provided at the top end of the pressure feeding pipe, and the bottom end of the connecting pipe is fixedly connected to the top of the locking head.
[0012] Preferably, a second locking sleeve is sleeved at the connection between the connecting pipe and the pressure feeding pipe, a sealing ring sleeved on the rod body is arranged inside the locking head, and a second seal is provided at the bottom end of the sealing ring.
[0013] The technical effects and advantages of the present utility model:
[0014] 1. By the operation of the motor, the rod body is driven to rotate, so that the conveying rod rotates accordingly. During the rotation of the conveying rod, the material can be pushed, so that vacuum pressure feeding can be realized to separate the material from water.
[0015] 2. By fixing the top of the connecting pipe to the machine base, the connection between the connecting pipe and the machine base is fixed by the first locking sleeve. And the shaft seal is convenient for positioning the pressure feeding screw rod and ensuring the coaxial rotation of the pressure feeding screw rod and the motor. At the same time, the first seal improves the sealing performance of the installation at the top of the pressure feeding screw rod to avoid air leakage.
[0016] 3. By arranging the connecting pipe between the pressure feeding pipe and the machine base, it is convenient to disassemble the connecting pipe, so as to facilitate the loading and unloading of the pressure feeding screw rod. At the same time, when installing the pressure feeding screw rod, it is convenient to install a sealing structure to improve the sealing performance of the pressure feeding screw rod. Among them, the pressure feeding screw rod is sealed by the sealing ring, and further sealed with the cooperation of the second seal, so as to ensure the sealing performance inside the pressure feeding pipe, facilitate maintaining the vacuum state, and improve the separation efficiency of the vacuum pressure feeding for the material. Description of the Drawings
[0017] Figure 1 It is a schematic diagram of the overall structure of the present utility model.
[0018] Figure 2 It is of the present utility model Figure 1 Partial enlarged structure schematic diagram at A in it.
[0019] Figure 3 It is of the present utility model Figure 1 Partial enlarged structure schematic diagram at B in it.
[0020] The reference numerals are: 1, pressure feeding pipe; 2, vacuum connector; 3, motor; 4, pressure feeding screw; 5, feeding pipe; 6, drain pipe; 7, pressure detection gauge; 8, valve; 9, machine base; 10, connecting pipe; 11, first locking sleeve; 12, first seal; 13, locking head; 14, second locking sleeve; 15, sealing ring; 16, second seal. Detailed implementation manners
[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0022] As shown in the attached Figures 1-3 A new type of vacuum pressure feeding device includes a pressure feeding pipe 1. A vacuum connector 2 is arranged on one side of the pressure feeding pipe 1. A connecting pipe 10 is installed at the top end of the pressure feeding pipe 1. A motor 3 is supported at the top end of the connecting pipe 10. A pressure feeding screw 4 is installed at the output end of the motor 3. A feeding pipe 5 is arranged on one side of the pressure feeding pipe 1. A drain pipe 6 is connected to the other side of the pressure feeding pipe 1. A pressure detection gauge 7 is installed on the drain pipe 6. A valve 8 is arranged at the bottom end of the drain pipe 6.
[0023] During specific implementation, a vacuum pump is installed at the vacuum connector 2 on one side of the bottom end of the pressure feeding pipe 1 to pump the inside of the pressure feeding pipe 1 into a vacuum state, attracting the materials entering the pressure feeding pipe 1 from the feeding pipe 5 to gather at the bottom of the pressure feeding pipe 1. At the same time, the motor 3 operates to make the pressure feeding screw 4 cooperate to convey the materials, so that the materials are discharged from the discharge port at the bottom of the pressure feeding pipe 1, and the liquid part enters the drain pipe 6. The pressure detection gauge 7 detects the pressure in the drain pipe 6 to avoid excessive water pressure, and the separated water can be discharged by opening the valve 8.
[0024] The pressure feeding screw 4 includes a rod body and a conveying rod. The top end of the rod body is connected to the motor 3. The top end of the conveying rod is connected to the bottom end of the rod body. The conveying rod is a threaded rod, and the diameter of the conveying rod is larger than the diameter of the rod body.
[0025] During specific implementation, the motor 3 operates to drive the rod body to rotate, so that the conveying rod rotates accordingly. During the rotation of the conveying rod, the materials can be pushed, thereby realizing vacuum pressure feeding to separate the materials from the water.
[0026] A machine base 9 is installed at the top end of the connecting pipe 10. The motor 3 is installed on the machine base 9. A first locking sleeve 11 is installed on the outer side of the connecting pipe 10.
[0027] The top end of the rod body is connected to the motor 3, and a shaft seal is provided at the connection between the rod body and the connecting pipe 10. A first seal 12 is provided at the bottom of the shaft seal.
[0028] During specific implementation, the top of the connecting pipe 10 is fixed to the machine base 9, and the first locking sleeve 11 is used to improve the connection and fixation between the connecting pipe 10 and the machine base 9. The shaft seal facilitates the positioning of the pressure feeding screw 4 and ensures the coaxial rotation of the pressure feeding screw 4 and the motor 3. At the same time, the first seal 12 improves the sealing performance of the top installation of the pressure feeding screw 4 to avoid air leakage.
[0029] A locking head 13 is provided at the top end of the pressure feeding pipe 1, and the bottom end of the connecting pipe 10 is fixedly connected to the top of the locking head 13.
[0030] A second locking sleeve 14 is sleeved at the connection between the connecting pipe 10 and the pressure feeding pipe 1. A sealing ring 15 sleeved on the rod body is provided inside the locking head 13, and a second seal 16 is provided at the bottom end of the sealing ring 15.
[0031] During specific implementation, by arranging the connecting pipe 10 between the pressure feeding pipe 1 and the machine base 9, it is convenient to disassemble the connecting pipe 10, so as to facilitate the loading and unloading of the pressure feeding screw 4. At the same time, when installing the pressure feeding screw 4, it is possible to easily install a sealing structure to improve the sealing performance of the pressure feeding screw 4. Among them, the pressure feeding screw 4 is sealed by the sealing ring 15, and the second seal 16 is used for further sealing, so as to ensure the sealing performance inside the pressure feeding pipe 1, facilitate maintaining a vacuum state, and improve the separation efficiency of vacuum pressure feeding for materials.
[0032] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A novel vacuum material pressing device, comprising a material pressing pipe (1), characterized in that: One side of the pressure feed pipe (1) is provided with a vacuum connector (2). The top end of the pressure feed pipe (1) is installed with a connecting pipe (10). The top end of the connecting pipe (10) supports a motor (3). The output end of the motor (3) is installed with a pressure feed screw (4). One side of the pressure feed pipe (1) is provided with a feed pipe (5). The other side of the pressure feed pipe (1) is connected with a drain pipe (6). A pressure gauge (7) is installed on the drain pipe (6). A valve (8) is arranged at the bottom end of the drain pipe (6).
2. A novel vacuum pressure feeding device according to claim 1, wherein: The pressure feed screw (4) includes a rod body and a conveying rod. The top end of the rod body is connected with the motor (3). The top end of the conveying rod is connected with the bottom end of the rod body. The conveying rod is a threaded rod, and the diameter of the conveying rod is larger than the diameter of the rod body.
3. A novel vacuum pressure feeding device according to claim 2, characterized in that: A machine base (9) is installed at the top end of the connecting pipe (10). The motor (3) is installed on the machine base (9). A first locking sleeve (11) is installed on the outer side of the connecting pipe (10).
4. A novel vacuum pressure feeding device according to claim 3, wherein: The top end of the rod body is connected with the motor (3), and a shaft seal is arranged at the connection between the rod body and the connecting pipe (10). A first seal (12) is arranged at the bottom of the shaft seal.
5. A novel vacuum material pressing device according to claim 4, wherein: A locking head (13) is arranged at the top end of the pressure feed pipe (1). The bottom end of the connecting pipe (10) is fixedly connected with the top of the locking head (13).
6. The novel vacuum pressure feeding device according to claim 5, wherein: A second locking sleeve (14) is sleeved at the connection between the connecting pipe (10) and the pressure feed pipe (1). A sealing ring (15) sleeved on the rod body is arranged inside the locking head (13). A second seal (16) is arranged at the bottom end of the sealing ring (15).