Three-way pipe capable of reducing pressure loss in pneumatic conveying
By introducing a flow guide component and using a hydraulic bulging process to manufacture the T-shaped pipe body, combined with the design of the flow guide plate, actuator, and cylinder, the airflow velocity is adjusted, solving the pressure loss problem during the use of the T-shaped pipe and improving the airflow delivery efficiency.
Patent Information
- Application Number
- CN202510709916.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-29
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2045-05-29
AI Technical Summary
Existing tee pipes are prone to pressure damage during use.
The three-way pipe body, made using a flow guide component and hydraulic bulging process, combined with the design of a flow guide plate, actuator motor, and cylinder, regulates the airflow velocity and reduces pressure loss by adjusting the angle and area of the flow guide plate and the pipe body. Additionally, a trace amount of polymer is added to the pipe body to change the boundary layer flow structure.
It effectively reduces pressure loss when airflow passes through the tee pipe and improves gas delivery efficiency.
Smart Images

Figure CN120231897B_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of pneumatic conveying technology, and particularly relates to a three-way pipe that can reduce pressure loss in pneumatic conveying. Background Technology
[0002] A tee pipe, as the name suggests, has three openings: one inlet and two outlets, or two inlets and one outlet. It comes in T-shape and Y-shape, with equal-diameter and unequal-diameter openings. It is used where three identical or different pipelines converge, primarily to change the direction of fluid flow. It can be used in water pipelines, oil pipelines, and various liquid chemical material transport pipelines. It is mainly used in medical, water conservancy (water-saving irrigation, water supply and drainage), energy (oil, natural gas, nuclear industry), and construction engineering fields. However, it is prone to pressure loss during use. Summary of the Invention
[0003] The purpose of this invention is to provide a tee pipe that can reduce pressure loss in pneumatic conveying, so as to solve the technical problem that pressure loss is easy to occur during use.
[0004] To achieve the above objectives, the specific technical solution of the tee pipe for reducing pressure loss in pneumatic conveying according to the present invention is as follows:
[0005] A three-way pipe for reducing pressure loss in pneumatic conveying includes a three-way pipe body and a flow guiding assembly. The flow guiding assembly includes an actuator motor, a connecting bracket, a flow guide plate A, a flow guide plate B, a hinged connecting rod A, a hinged connecting rod B, an actuator cylinder A, and a connecting sleeve A. The connecting bracket is rotatably mounted on the three-way pipe body. The actuator motor is mounted on the three-way pipe body, and the output shaft of the actuator motor is mounted on the connecting bracket. Flow guide plate A and flow guide plate B are rotatably mounted on the connecting bracket. Flow guide plate A is hinged to one end of the hinged connecting rod A, and the other end of the hinged connecting rod A is hinged to the connecting sleeve A. Flow guide plate B is hinged to one end of the hinged connecting rod B, and the other end of the hinged connecting rod B is hinged to the connecting sleeve A. The connecting sleeve A is mounted on the output shaft of the actuator cylinder A, and the actuator cylinder A is mounted on the connecting bracket.
[0006] Furthermore, the ventilation assembly includes an actuator cylinder B, a connecting rod B, and an end plate B. The actuator cylinder B is mounted on the three-way pipe body, the output shaft of the actuator cylinder B is hinged to the connecting rod B, the connecting rod B is rotatably mounted on the three-way pipe body, and the end plate B is fixedly mounted on the connecting rod B.
[0007] Furthermore, the included angle between the guide plate A and the guide plate B varies from 15 degrees to 30 degrees to avoid sudden changes in flow velocity. Furthermore, the tee pipe is provided with pipe body A, pipe body B, and pipe body C, and the centerline of pipe body B or pipe body C is distributed at an angle of 30 degrees to 45 degrees to the centerline of pipe body A.
[0008] Furthermore, the ratio of the radius on the center line of the tee of pipe body A, pipe body B and pipe body C to the diameter of pipe body B or pipe body C is greater than or equal to 1.5.
[0009] Furthermore, the tee tube body is manufactured using a hydraulic bulging process.
[0010] Furthermore, the inner wall of the three-way pipe is polished or lined with a flexible material.
[0011] Furthermore, the inner lining flexible material is PE material.
[0012] Furthermore, the wall roughness of the tee pipe body is ≤0.15mm.
[0013] Furthermore, adding a trace amount of polymer to the fluid in the three-way pipe can change the boundary layer flow structure and reduce frictional resistance.
[0014] Furthermore, the polymer is polyethylene oxide.
[0015] The advantages of this invention are:
[0016] 1. Gas flows in through pipe A in the tee, and is then split through pipes B and C, allowing the gas to flow out. When the gas passes through guide plate A or B, the cross-sectional area between guide plate A or B and pipe A increases, reducing the flow velocity through pipe B or C and thus lowering pressure loss. Simultaneously, the actuator motor is activated, driving the connecting bracket to rotate. This rotation, in turn, causes guide plates A and B to change their cross-sectional areas, altering the flow velocity through pipe B or C. When the angle between guide plates A and B is fixed, the increased cross-sectional area of guide plates A and pipe A results in a change in the flow velocity of the gas passing through pipe B or C. When the cross-sectional area of guide plate A and pipe body A decreases, the opposite is also true. When the cross-sectional area of guide plate A and pipe body A increases, the airflow velocity through pipe body B relatively decreases. When the cross-sectional area of guide plate A and pipe body A decreases, the airflow velocity through pipe body B relatively increases. Similarly, when the cross-sectional area of guide plate B and pipe body A increases, the airflow velocity through pipe body C relatively decreases. When the cross-sectional area of guide plate B and pipe body A decreases, the airflow velocity through pipe body C relatively increases. At the same time, the actuator cylinder A is activated. The actuator cylinder A drives the hinged connecting rod A and hinged connecting rod B to move through the connecting sleeve A, causing the included angle between guide plate A and guide plate B to change. 2. The actuator cylinder B is activated. The actuator cylinder B drives the end plate B to rotate through the connecting rod B, causing the end plate B to change its cross-sectional area with the three-way pipe, thus adjusting the airflow. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention;
[0018] Figure 2 for Figure 1 A schematic diagram of the cutting line;
[0019] Figure 3 for Figure 2 A sectional view along section EE;
[0020] Figure 4 for Figure 3 A magnified view of a portion of the image;
[0021] Figure 5 for Figure 2 A sectional view along section FF;
[0022] Figure 6 for Figure 5 Enlarged view of part B;
[0023] Figure 7 for Figure 2 A cross-sectional view along section GG;
[0024] Figure 8 This is a schematic diagram of the ventilation component structure of the present invention;
[0025] The markings in the diagram are as follows: 1. Three-way pipe; 2. Flow guide assembly; 2-1. Actuating motor; 2-2. Connecting bracket; 2-3. Flow guide plate A2-3; 2-4. Hinged connecting rod A2-5; 2-6. Actuating cylinder A2-7; Connecting sleeve A2-8; Ventilation assembly 3; Actuating cylinder B3-1; Connecting rod B3-2; End plate B3-3. Detailed Implementation
[0026] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0027] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for 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. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0028] Example 1
[0029] like Figure 1-8 As shown, a three-way pipe for reducing pressure loss in pneumatic conveying includes a three-way pipe body 1 and a flow guiding assembly 2. The flow guiding assembly 2 includes an actuator motor 2-1, a connecting bracket 2-2, a flow guide plate A2-3, a flow guide plate B2-4, a hinged connecting rod A2-5, a hinged connecting rod B2-6, an actuator cylinder A2-7, and a connecting sleeve A2-8. The connecting bracket 2-2 is rotatably mounted on the three-way pipe body 1. The actuator motor 2-1 is mounted on the three-way pipe body 1, and the output shaft of the actuator motor 2-1 is mounted on the connecting bracket 2-2. The flow guide plate A2-3 and the flow guide plate B2-4 are rotatably mounted on the connecting bracket 2-2. The flow guide plate A2-3 is hinged to the hinged connecting rod A2-5. One end of the hinged connecting rod A2-5 is hinged to the other end of the connecting sleeve A2-8. The guide plate B2-4 is hinged to one end of the hinged connecting rod B2-6, and the other end of the hinged connecting rod B2-6 is hinged to the connecting sleeve A2-8. The connecting sleeve A2-8 is mounted on the output shaft of the actuator cylinder A2-7, which is mounted on the connecting bracket 2-2. With this configuration, gas flows in through pipe A in the three-way pipe 1, and is divided by pipes B and C in the three-way pipe 1, allowing the gas to flow out. When the gas flows through guide plate A2-3 or guide plate B2-4, due to the guide plate A2-3 or guide plate B2-4... The increased cross-sectional area between guide plate A and pipe A reduces the flow velocity of the fluid passing through pipe B or pipe C, thus lowering pressure loss. Simultaneously, actuator 2-1 is activated, driving connecting bracket 2-2 to rotate. Connecting bracket 2-2 then rotates guide plates A2-3 and B2-4, causing changes in the cross-sectional area of guide plate A2-3 and pipe A, or guide plate B2-4 and pipe A. This alters the flow velocity of the fluid passing through pipe B or pipe C. When the angle between guide plate A2-3 and guide plate B2-4 is fixed, the increased cross-sectional area of guide plate A2-3 and pipe A results in a change in the cross-sectional area of guide plate B2-4 and pipe A. As the area decreases, the reverse is also true. When the cross-sectional area of guide plate A2-3 and pipe body A increases, the airflow velocity through pipe body B relatively decreases. When the cross-sectional area of guide plate A2-3 and pipe body A decreases, the airflow velocity through pipe body B relatively increases. Similarly, when the cross-sectional area of guide plate B2-4 and pipe body A increases, the airflow velocity through pipe body C relatively decreases. When the cross-sectional area of guide plate B2-4 and pipe body A decreases, the airflow velocity through pipe body C relatively increases. At the same time, the actuator cylinder A2-7 is activated. The actuator cylinder A2-7 drives the hinged connecting rod A2-5 and hinged connecting rod B2-6 to move through the connecting sleeve A2-8, causing the included angle between guide plate A2-3 and guide plate B2-4 to change.
[0030] Example 2
[0031] like Figure 1-8As shown, it also includes a ventilation assembly 3, which includes an actuator cylinder B3-1, a connecting rod B3-2, and an end plate B3-3. The actuator cylinder B3-1 is mounted on the three-way pipe body 1, and the output shaft of the actuator cylinder B3-1 is hinged to the connecting rod B3-2. The connecting rod B3-2 is rotatably mounted on the three-way pipe body 1, and the end plate B3-3 is fixedly mounted on the connecting rod B3-2. With this configuration, when the actuator cylinder B3-1 is activated, the actuator cylinder B3-1 drives the end plate B3-3 to rotate through the connecting rod B3-2, causing the end plate B3-3 to change its cross-sectional area relative to the three-way pipe body 1, thereby adjusting the ventilation volume.
[0032] Example 3
[0033] like Figure 1-8 As shown, the angle between the guide plate A2-3 and the guide plate B2-4 varies from 15 degrees to 30 degrees to avoid sudden changes in flow velocity.
[0034] The three-way pipe body 1 is provided with pipe body A, pipe body B and pipe body C, and the center line of pipe body B or pipe body C is distributed at 30 degrees to 45 degrees with the center line of pipe body A.
[0035] Wherein, the ratio of the radius on the center line of the tee of pipe body A, pipe body B and pipe body C to the diameter of pipe body B or pipe body C is greater than or equal to 1.5.
[0036] The three-way pipe body 1 is manufactured using a hydraulic bulging process.
[0037] The inner wall of the three-way pipe 1 is polished or lined with flexible material.
[0038] The inner lining flexible material is PE material.
[0039] The wall roughness K value of the three-way pipe body 1 is ≤0.15mm.
[0040] The addition of a trace amount of polymer to the fluid in the three-way pipe 1 can change the boundary layer flow structure and reduce frictional resistance.
[0041] The polymer is polyethylene oxide.
[0042] It is understood that the present invention has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the invention. Furthermore, under the teachings of the present invention, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of the present invention.
Claims
1. A tee pipe for reducing pressure loss in pneumatic conveying, comprising a tee pipe body (1), characterized in that, It also includes a flow guiding assembly (2), which includes an actuating motor (2-1), a connecting bracket (2-2), a flow guide plate A (2-3), a flow guide plate B (2-4), a hinged connecting rod A (2-5), a hinged connecting rod B (2-6), an actuating cylinder A (2-7), and a connecting sleeve A (2-8). The connecting bracket (2-2) is rotatably mounted on the three-way pipe body (1), the actuating motor (2-1) is mounted on the three-way pipe body (1), and the output shaft of the actuating motor (2-1) is mounted on the connecting bracket (2-2). It is equipped with a guide plate A (2-3) and a guide plate B (2-4). The guide plate A (2-3) is hinged to one end of the hinged connecting rod A (2-5), and the other end of the hinged connecting rod A (2-5) is hinged to the connecting sleeve A (2-8). The guide plate B (2-4) is hinged to one end of the hinged connecting rod B (2-6), and the other end of the hinged connecting rod B (2-6) is hinged to the connecting sleeve A (2-8). The connecting sleeve A (2-8) is mounted on the output shaft of the actuator cylinder A (2-7), and the actuator cylinder A (2-7) is mounted on the connecting bracket (2-2). The system includes a ventilation assembly (3), which comprises an actuating cylinder B (3-1), a connecting rod B (3-2), and an end plate B (3-3). The actuating cylinder B (3-1) is mounted on the three-way pipe body (1), and the output shaft of the actuating cylinder B (3-1) is hinged to the connecting rod B (3-2). The connecting rod B (3-2) is rotatably mounted on the three-way pipe body (1), and the end plate B (3-3) is fixedly mounted on the connecting rod B (3-2). With this configuration, when the actuating cylinder B (3-1) is activated, the system... The cylinder B (3-1) drives the end plate B (3-3) to rotate through the connecting rod B (3-2), which causes the end plate B (3-3) to change the cross-sectional area of the three-way pipe (1), thereby adjusting the air flow rate; the angle between the guide plate A (2-3) and the guide plate B (2-4) varies from 15 degrees to 30 degrees to avoid sudden changes in flow rate; the three-way pipe (1) is provided with pipe A, pipe B and pipe C, and the center line of pipe B or pipe C is distributed at 30 degrees to 45 degrees from the center line of pipe A.
2. A tee pipe for reducing pressure loss in pneumatic conveying according to claim 1, characterized in that, The ratio of the radius on the center line of the tee of pipe body A, pipe body B and pipe body C to the diameter of pipe body B or pipe body C is greater than or equal to 1.
5.
3. A tee pipe for reducing pressure loss in pneumatic conveying according to claim 1, characterized in that, The three-way pipe body (1) is manufactured using a hydraulic bulging process.
4. A tee pipe for reducing pressure loss in pneumatic conveying according to claim 1, characterized in that, The inner wall of the three-way pipe (1) is polished or lined with flexible material.
5. A tee pipe for reducing pressure loss in pneumatic conveying according to claim 4, characterized in that, The inner lining flexible material is PE material.
6. A tee pipe for reducing pressure loss in pneumatic conveying according to claim 1, characterized in that, The wall roughness K value of the tee pipe (1) is ≤0.15mm.
7. A tee pipe for reducing pressure loss in pneumatic conveying according to claim 1, characterized in that, Adding a small amount of polymer to the fluid in the three-way pipe (1) can change the boundary layer flow structure and reduce frictional resistance.
Citation Information
Patent Citations
Material flow control system and method
CN115095685A
Exhaust pipe assembly for air conditioner
CN209910129U
Pneumatic three-way switching valve
CN211145460U