Flow-adjustable liquid material adding device
By designing an adjustable flow rate liquid material addition device, the problems of precipitation and flow rate regulation of 2,5-dimethoxydihydrofuran in chemical production were solved, achieving uniformity of raw material concentration and stability of flow rate, and improving production efficiency and ease of maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LAO HEKOU GUANG LIAN TECH CO LTD
- Filing Date
- 2025-04-29
- Publication Date
- 2026-04-17
AI Technical Summary
In chemical production processes, the amount of 2,5-dimethoxydihydrofuran added is difficult to control precisely. During storage, precipitation is prone to occur, leading to uneven concentration. Furthermore, flow control valves frequently malfunction, affecting production efficiency and product quality.
An adjustable flow rate liquid material addition device was designed, comprising a storage tank, a stirring rod, a flow rate regulating valve assembly, and a motor drive system. The stirring rod prevents sedimentation, the worm gear transmission improves the accuracy of flow rate regulation, and the flow rate regulating valve assembly can be quickly disassembled and maintained.
It achieves uniformity of raw material concentration and stability of flow regulation during storage, simplifies maintenance procedures, and improves production efficiency and equipment maintenance convenience.
Smart Images

Figure CN224127221U_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of liquid material addition technology, specifically an adjustable flow rate liquid material addition device. Background Technology
[0002] In many chemical production processes, 2,5-dimethoxydihydrofuran is an important raw material or intermediate, and the precise control of its addition amount has a critical impact on the reaction process and product quality. 2,5-Dimethoxydihydrofuran is prone to precipitation during storage. Most storage tubes are simply containers, and over time, the components in the raw material will separate and precipitate due to gravity, resulting in uneven concentrations of the raw material delivered to the reaction stage, thus affecting the consistency of the chemical reaction and the stability of product quality. Furthermore, malfunctions in the flow control valves require significant time for disassembly and repair, severely impacting production efficiency and increasing maintenance costs for enterprises.
[0003] Therefore, an adjustable flow rate liquid material addition device is proposed to address the above problems. Utility Model Content
[0004] To address the problems mentioned in the background art, this utility model provides an adjustable flow rate liquid material addition device, which simplifies the disassembly and maintenance process of the flow regulating valve and effectively stirs the raw materials in the storage tube to prevent sedimentation.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an adjustable flow rate liquid material adding device, including a storage tank, a feeding port provided on one side of the upper surface of the storage tank, a conveying pipe connected to the bottom end of the storage tank, a flow regulating valve body assembly provided on the surface of the conveying pipe, a connecting rod rotatably connected inside the storage tank, a stirring rod arranged in a ring array fixedly connected to the bottom end of the connecting rod, a second motor installed on the upper surface of the storage tank, and the output end of the second motor connected to the connecting rod.
[0006] Preferably, the flow regulating valve body assembly includes a mounting base mounted on the surface of the conveying pipeline. A mounting box is bolted to the upper surface of the mounting base. A ball valve is rotatably connected inside the mounting base. A first gear is connected to the top of the ball valve via a valve stem. A second gear is meshed with the surface of the first gear, and the second gear is rotatably connected to the bottom surface of the mounting box.
[0007] Preferably, a worm gear is rotatably connected inside the mounting box, and the worm gear is connected to the second gear, with a worm meshing with the surface of the worm gear.
[0008] Preferably, a first motor is mounted on one side of the mounting box surface, and the output end of the first motor is connected to the worm gear.
[0009] Preferably, a flow sensor is installed inside the delivery pipe, located behind the flow regulating valve assembly.
[0010] Preferably, a liquid level sensor is installed at the top inside the storage tank.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0012] 1. This utility model uses a stirring rod to start a second motor, which drives the stirring rod to rotate at high speed via a connecting rod. This stirs the raw materials inside the storage tank, preventing sedimentation and stratification, and ensuring uniform concentration of added raw materials. Starting the first motor drives the ball valve to rotate, thereby regulating the flow rate of the conveying pipeline. Furthermore, the worm gear and worm in the transmission structure improve the stability and accuracy of flow regulation. By removing the connecting bolts on the mounting box, the mounting box can be disassembled separately, facilitating the removal of the mounting box and the maintenance and replacement of equipment parts, thus improving the convenience of equipment maintenance. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0014] Figure 2 This is a cross-sectional view of the storage tank in this utility model;
[0015] Figure 3 This is a cross-sectional view of the flow regulating valve body assembly in this utility model;
[0016] Figure 4 This is a schematic diagram of the separate structure of the flow sensor and the mounting base in this utility model;
[0017] Figure 5 This is a schematic diagram of the worm gear and worm in this utility model.
[0018] In the diagram: 1. Storage tank; 2. Conveying pipeline; 3. Flow regulating valve body assembly; 31. Mounting base; 32. Ball valve; 33. First gear; 34. Second gear; 35. Worm gear; 36. Mounting box; 37. Flow sensor; 38. First motor; 39. Worm gear; 4. Feeding port; 5. Stirring rod; 6. Second motor; 7. Connecting rod; 8. Liquid level sensor. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] like Figures 1 to 5 As shown, this utility model provides an adjustable flow rate liquid material adding device, including a storage tank 1, a feeding port 4 on one side of the upper surface of the storage tank 1, a conveying pipe 2 connected to the bottom end of the storage tank 1, a flow regulating valve body assembly 3 on the surface of the conveying pipe 2, a connecting rod 7 rotatably connected inside the storage tank 1, and a stirring rod 5 arranged in a ring array fixedly connected to the bottom end of the connecting rod 7. A second motor 6 is installed on the upper surface of the storage tank 1, and the output end of the second motor 6 is connected to the connecting rod 7. When the adding device is in use, one end of the conveying pipe 2 extends to a reaction vessel or other equipment that needs to add raw materials. Raw materials can be added to the storage tank 1 through the feeding port 4. The addition operation of 2,5-dimethoxydihydrofuran is realized through the conveying pipe 2. By starting the second motor 6, the connecting rod 7 can be rotated, and then the raw materials inside the storage tank 1 are stirred by the stirring rod 5 to avoid sedimentation and stratification of the raw materials inside the storage tank 1 and to ensure uniform concentration of the added raw materials.
[0021] A liquid level sensor 8 is installed at the top inside the storage tank 1. The liquid level sensor 8 monitors the raw material liquid level in the storage tank 1 in real time and transmits the signal to the control unit. When the raw material in the storage tank 1 is low, an alarm is triggered in time to remind the staff to add more.
[0022] like Figures 1 to 5As shown, the flow regulating valve body assembly 3 includes a mounting base 31 mounted on the surface of the conveying pipe 2. A mounting box 36 is bolted to the upper surface of the mounting base 31. A ball valve 32 is rotatably connected inside the mounting base 31. A first gear 33 is connected to the top of the ball valve 32 via a valve stem. A second gear 34 is meshed with the surface of the first gear 33, and the second gear 34 is rotatably connected to the bottom surface of the mounting box 36. A worm gear 35 is rotatably connected inside the mounting box 36, and the worm gear 35 is connected to the second gear 34. A worm 39 is meshed with the surface of the worm gear 35. A first motor 38 is mounted on one side of the mounting box 36, and the output end of the first motor 38 is connected to the worm 39. When flow regulation is required, the first motor 38 is started to drive the worm gear 39 to rotate, which in turn drives the second gear 34 to rotate via the worm wheel 35, and the first gear 33 drives the ball valve 32 to rotate. The rotation angle of the ball valve 32 is adjusted to regulate the flow of the conveying pipeline 2. The meshing of the worm wheel 35 and the worm gear 39 improves the stability and accuracy of flow regulation. When the flow regulating valve body assembly 3 is under maintenance, the connecting bolts on the mounting box 36 are removed, and the first gear 33 and the second gear 34 can be separated by pulling the mounting box 36. This allows for quick disassembly of the mounting box 36, facilitating the repair or replacement of the internal equipment parts, reducing the maintenance time of the flow regulating valve body assembly 3, and making equipment maintenance more convenient.
[0023] A flow sensor 37 is installed inside the conveying pipeline 2, located behind the flow regulating valve assembly 3. The flow sensor 37 can monitor the flow rate of the raw material in the conveying pipeline 2 in real time and feed the flow data back to the control center in an instant. The control center dynamically adjusts the opening of the regulating valve based on the difference between the preset flow value and the actual feedback flow data to ensure the stability and accuracy of the flow.
[0024] Working principle and process: When in use, one end of the conveying pipe 2 extends to the reactor or other equipment that requires the addition of raw materials. Raw materials can be added to the storage tank 1 through the feeding port 4. The conveying pipe 2 facilitates the addition of 2,5- The addition of dimethoxydihydrofuran is achieved by starting the second motor 6, which drives the connecting rod 7 to rotate. The stirring rod 5 then stirs the raw material inside the storage tank 1, preventing sedimentation and stratification and ensuring uniform concentration of the added raw material. Starting the first motor 38 drives the worm gear 39 to rotate, which in turn drives the second gear 34 through the worm wheel 35. The first gear 33 then drives the ball valve 32 to rotate, adjusting the rotation angle of the ball valve 32 to regulate the flow rate of the conveying pipeline 2. The meshing of the worm wheel 35 and the worm gear 39 improves the stability and accuracy of the flow regulation. When inspecting the flow regulating valve assembly 3, the connecting bolts on the mounting box 36 can be removed, allowing the first gear 33 and the second gear 34 to be separated by pulling the mounting box 36. This enables quick disassembly of the mounting box 36, facilitating individual repair or replacement of the internal parts and reducing maintenance time for the flow regulating valve assembly 3.
[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A liquid material adding device with adjustable flow rate, comprising a storage tank (1), wherein a feeding port (4) is provided on one side of the upper surface of the storage tank (1), and the bottom end of the storage tank (1) is connected to a conveying pipe (2), characterized in that: The surface of the conveying pipe (2) is provided with a flow regulating valve body assembly (3), the inside of the storage tank (1) is rotatably connected with a connecting rod (7), the bottom end of the connecting rod (7) is fixedly connected with a stirring rod (5) arranged in a ring array, the upper surface of the storage tank (1) is equipped with a second motor (6), and the output end of the second motor (6) is connected to the connecting rod (7).
2. A liquid material dosing device according to claim 1, wherein: The flow regulating valve body assembly (3) includes a mounting base (31) mounted on the surface of the conveying pipe (2). A mounting box (36) is bolted to the upper surface of the mounting base (31). A ball valve (32) is rotatably connected inside the mounting base (31). A first gear (33) is connected to the top of the ball valve (32) via a valve stem. A second gear (34) is meshed with the surface of the first gear (33), and the second gear (34) is rotatably connected to the bottom surface of the mounting box (36).
3. A liquid material dosing device according to claim 2, wherein: The mounting box (36) is rotatably connected to a worm gear (35), and the worm gear (35) is connected to the second gear (34). The surface of the worm gear (35) is meshed with a worm (39).
4. A liquid material dosing device according to claim 3, wherein: A first motor (38) is mounted on one side of the surface of the mounting box (36), and the output end of the first motor (38) is connected to the worm gear (39).
5. The flow-adjustable liquid material adding device according to claim 1, wherein: A flow sensor (37) is installed inside the delivery pipe (2) on the rear side of the flow regulating valve body assembly (3).
6. A liquid material dispensing device according to claim 1, wherein: A liquid level sensor (8) is installed at the top inside the storage tank (1).