Screen surface anti-blocking structure of screening equipment for gravel system production
By setting an anti-clogging cone and connecting pipe structure at the top of the screen, and using the fluid inlet pipe and air blowing hole to clean the screen surface, the problem of easy clogging of the screen surface is solved, and the efficient use and life extension of the screen are achieved.
Patent Information
- Application Number
- CN202520439798.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-03-13
AI Technical Summary
In existing sand and gravel production systems, the screen surface of large vibrating screens is easily clogged, resulting in reduced screening efficiency, inability to work normally, and the inability to fully utilize the original screens.
An anti-clogging cone and connecting pipe structure are installed at the top of the screen. The screen surface is cleaned by using the fluid inlet pipe and air blowing holes. The anti-clogging cone intercepts large particles of material to form a material flow gap to avoid clogging, and the screen mesh is cleaned by impact through the air blowing holes.
It effectively avoids screen clogging, extends screen life, improves screening efficiency, makes full use of existing screens, and reduces the impact of materials on the screen.
Smart Images
Figure CN223683959U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of vibrating screen, concretely to a sieve surface anti-blocking structure of screening equipment for sandstone system production. BACKGROUND
[0002] Large vibrating screen is a common screening equipment in sandstone system production, however, due to its sieve surface has a certain aperture size, there will be a situation of being blocked, resulting in reduced screening efficiency, and even unable to work normally, in view of this problem, the research on large vibrating screen sieve surface anti-blocking technology in sand aggregate production system at home and abroad mainly concentrates on: 1, the research on vibrating screen sieve surface material: research on the influence of vibrating screen sieve surface of different materials on anti-blocking effect, such as metal mesh, rubber mesh, etc. 2, the research on vibrating screen sieve surface structure: research on the influence of vibrating screen sieve surface of different structures on anti-blocking effect, such as flat type, inclined type, curved type, etc. But in the actual application, the sandstone system needs to replace the corresponding screen, and the original screen cannot be fully utilized; based on this, the present application provides a sieve surface anti-blocking structure of screening equipment for sandstone system production. CONTENT OF THE UTILITY MODEL
[0003] The utility model provides a sieve surface anti-blocking structure of screening equipment for sandstone system production, solves the problem of not being able to fully utilize the original screen in the sandstone system in the above background technology.
[0004] The utility model provides the following technical scheme: a sieve surface anti-blocking structure of screening equipment for sandstone system production, including fixed frame and anti-blocking cone, the fixed frame is fixed at the top of screen, the fixed frame is hollow structure, one end of the bottom of the fixed frame inner chamber is fixedly connected with fluid inlet pipe,
[0005] The inner chamber of fixed frame is evenly provided with anti-blocking cone, the anti-blocking cone is connected with fixed frame through connecting pipe, the inner chamber of connecting pipe is communicated with the inner chamber of fixed frame, the bottom of connecting pipe is equipped with blowhole, the blowhole is located in the middle part of anti-blocking cone, the anti-blocking cone is arranged just above screen mesh, and the anti-blocking cone and screen form a flow gap.
[0006] Preferably, the top end of the anti-blocking cone is semicircular, the other end of the anti-blocking cone is conical, and the top end and the other end of the anti-blocking cone are smoothly transitioned; the bottom radius of the anti-blocking cone is greater than the top end radius of the anti-blocking cone, and the bottom radius of the anti-blocking cone is greater than the mesh hole radius of the screen.
[0007] Preferably, the connecting pipe is inclined, the anti-blocking cones on the adjacent two connecting pipes are in staggered state, and the bottom of the connecting pipe is at the same height as the bottom of the anti-blocking cone.
[0008] Preferably, the inner chamber of the blowhole is provided with a cross-shaped valve, and the cross-shaped valve is a one-way valve.
[0009] Preferably, the outer surface of both the connecting pipe and the fluid inlet pipe is wrapped with a protective pad, and the fluid inlet pipe is a telescopic pipe.
[0010] Preferably, the height of the flow gap is not greater than the diameter of the screen mesh, and the distance between the two adjacent anti-blocking cones is adapted to the size of the material to be screened.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] 1. The screen surface anti-blocking structure of the screening equipment for sandstone system production is arranged at the top of the screen mesh of the existing sandstone system, so that the original screen mesh of the sandstone system can be fully utilized; the structure formed by the anti-blocking cone and the connecting pipe is used to intercept large-particle materials, so that the materials are layered, the large-particle materials are prevented from entering the screen mesh holes, the screen mesh holes are prevented from being blocked by the large-particle materials, the impact force of the materials on the screen mesh is reduced, and the service life of the screen mesh is prolonged.
[0013] 2. The screen surface anti-blocking structure of the screening equipment for sandstone system production is provided with the fluid inlet pipe, the fixed frame and the blowing hole, the blowing hole can spray fluid, and the sprayed fluid directly impacts the screen mesh holes, so that the screen mesh holes are cleaned and are further prevented from being blocked. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a top view schematic diagram of the utility model structure;
[0015] Figure 2 It is a schematic diagram of the utility model structure connected with the screen mesh;
[0016] Figure 3 It is a schematic diagram of the utility model structure Figure 2 sectional view;
[0017] Figure 4 It is a schematic diagram of the utility model structure Figure 3 bottom view;
[0018] Figure 5 It is a schematic diagram of the utility model structure Figure 3 A enlarged schematic diagram of the utility model structure;
[0019] Figure 6 It is a schematic diagram of the blowing hole of the utility model structure.
[0020] In the drawing: 1, fixed frame; 2, anti-blocking cone; 3, connecting pipe; 4, fluid inlet pipe; 5, cross valve; 6, blowing hole; 7, screen mesh. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0022] The utility model provides an embodiment: refer to Figures 1-6 A sieve surface anti-blocking structure of a screening equipment for a sandstone system production, including fixed frame 1 and anti -blocking cone 2, fixed frame 1 is hollow structure, one end fixedly connected with fluid inlet pipe 4 in the bottom of fixed frame 1 inner chamber, the inner wall of fixed frame 1 is uniformly connected with connecting pipe 3, and the outer surface of connecting pipe 3 is wrapped with protective pad, and the inner chamber of connecting pipe 3 is in the state of intercommunication with the inner chamber of fixed frame 1, and fluid can enter the frame wall inner chamber of fixed frame 1 through fluid inlet pipe 4, and the water in the frame wall inner chamber of fixed frame 1 can enter the inner chamber of connecting pipe 3.
[0023] The bottom of connecting pipe 3 is equipped with blowhole 6, and the fluid in connecting pipe 3 can be discharged through blowhole 6, and to avoid the structure when using, blowhole 6 is blocked, and a cross valve 5 is arranged in the inner chamber of blowhole 6, and the cross valve 5 is used to protect blowhole 6, and the cross valve 5 is a cross type one-way valve.
[0024] The inner chamber of fixed frame 1 is uniformly equipped with anti-blocking cone 2, and the anti-blocking cone 2 is connected with fixed frame 1 through connecting pipe 3, and the top end of anti-blocking cone 2 is semicircular, and the other end of anti-blocking cone 2 is conical, and the top end of anti-blocking cone 2 and the other end thereof are smoothly transitioned, and the bottom radius of anti-blocking cone 2 is greater than the top end radius thereof, and the bottom of anti-blocking cone 2 is located above the bottom of fixed frame 1, and blowhole 6 is located in the middle of anti-blocking cone 2.
[0025] When the sieve surface anti-blocking structure is used, the fixed frame 1 is fixed with the top of the screen 7 in the sandstone system, the fluid inlet pipe 4 is connected with the air machine, the high-pressure water pump and other equipment in the prior art, as shown in Figure 2 The fluid inlet pipe 4 penetrates the screen 7 and extends below the screen 7 to avoid damage to the fluid inlet pipe 4 caused by the material above the screen. The fluid inlet pipe 4 is a telescopic pipe, and the material of the fluid inlet pipe 4 can be a high-pressure corrugated pipe, so that when the screen 7 vibrates, the telescopic function of the fluid inlet pipe 4 ensures the reliability of the connection between the fluid inlet pipe 4 and the fixed frame 1 and the air compressor and other equipment in the prior art. To further prolong the service life of the fluid inlet pipe 4, the protective pad is wrapped around the outer surface of the fluid inlet pipe 4, and the material of the protective pad can be rubber, which absorbs the impact force of the material on the fluid inlet pipe 4.
[0026] When the fixed frame 1 is fixed with the screen top, the anti-blocking cone 2 is arranged directly above the screen mesh hole, the bottom radius of the anti-blocking cone 2 is greater than the radius of the screen mesh hole, the anti-blocking cone 2 shields the screen mesh hole, a flow gap is formed between the anti-blocking cone 2 and the screen, and the height of the flow gap is not greater than the diameter of the screen mesh hole. The distance between the adjacent two anti-blocking cones 2 is matched with the size of the material to be screened. In this way, the anti-blocking cone 2 can play a buffering function when in use, reducing the impact force of the screened material on the screen in the sandstone system. The anti-blocking cone 2 can intercept large particle aggregates, preventing large particle aggregates from entering the screen mesh hole, thereby preventing large particle aggregates from blocking the screen. The height of the flow gap and the distance between the adjacent two anti-blocking cones 2 can be set according to requirements, which is not limited here.
[0027] The connecting pipe 3 is in an inclined state, and the anti-blocking cones 2 on the adjacent two connecting pipes 3 are in a staggered state. The bottom of the connecting pipe 3 is at the same height as the bottom of the anti-blocking cone 2. Through the arrangement of the connecting pipe 3, the connecting pipe 3 can shield the material, preventing large particle materials from entering the cavity formed by the adjacent four anti-blocking cones 2, and facilitating the entry of small particle materials into the flow gap.
[0028] In summary, the screen surface anti-blocking structure of the sandstone system production screening equipment is fixed on the top of the original screen 7 of the sandstone system, as shown in Figures 2 to 4 The other end of the fluid inlet pipe 4 is connected to the existing air compressor and other fluid conveying devices. During the screening process of the screen 7, the anti-blocking cone 2 buffers the material, reducing the impact force of the material on the screen. The anti-blocking cone 2 can intercept large particle materials, allowing small particle materials that meet the requirements to enter the flow gap, thereby preventing large particle materials from blocking the screen. The particle materials in the flow gap can pass through the mesh holes of the screen 7, and the screen 7 realizes the screening of the material. During use of the screen surface anti-blocking structure, the air compressor can blow compressed air into the inner cavity of the fluid inlet pipe 4. The compressed air in the fluid inlet pipe 4 enters the inner cavity of the connecting pipe 3 through the frame wall of the fixed frame 1. The compressed air in the inner cavity of the connecting pipe 3 is discharged through the air blowing hole 6, and the discharged compressed air blows towards the screen mesh hole, further preventing the screen mesh hole from being blocked.
[0029] The utility model uses to standard parts can be bought from market, and the special-shaped part can be ordered according to the record of specification and drawing, and the specific connecting mode of each part all adopts the conventional means such as bolt in prior art, and the machinery, parts and equipment all adopt conventional model in prior art, and this will not be described in detail, the content not being described in detail in the specification belongs to the prior art known to the person skilled in the art, although the embodiment of the utility model has been shown and described, for the ordinary skilled person in the art, it can be understood that the embodiment can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A sandstone system production screening equipment screen surface anti-blocking structure, comprising a fixed frame (1) and an anti-blocking cone (2), characterized in that: The fixed frame (1) is fixed on the top of the screen, the fixed frame (1) is a hollow structure, one end of the inner cavity bottom of the fixed frame (1) is fixedly connected with the fluid inlet pipe (4); The inner cavity of the fixed frame (1) is uniformly provided with the anti-blocking cone (2), the anti-blocking cone (2) is connected with the fixed frame (1) through the connecting pipe (3), the inner cavity of the connecting pipe (3) is communicated with the inner cavity of the fixed frame (1), the bottom of the connecting pipe (3) is provided with the blowing hole (6), the blowing hole (6) is located in the middle of the anti-blocking cone (2), the anti-blocking cone (2) is arranged directly above the screen mesh, and the anti-blocking cone (2) and the screen form the flow material gap.
2. The anti-blocking structure of the screen surface of the screening equipment for sandstone system production according to claim 1, characterized in that: The top end of the anti-blocking cone (2) is semicircular, the other end of the anti-blocking cone (2) is conical, and the top end and the other end of the anti-blocking cone (2) are smoothly transitioned; the bottom radius of the anti-blocking cone (2) is greater than the top end radius, and the bottom radius of the anti-blocking cone (2) is greater than the screen mesh hole radius.
3. The anti-blocking structure of the screen surface of the screening device for sandstone system production according to claim 1, characterized in that: The connecting pipe (3) is inclinedly arranged, the anti-blocking cones (2) on the adjacent two connecting pipes (3) are in staggered state, and the bottom of the connecting pipe (3) and the bottom of the anti-blocking cone (2) are at the same height.
4. The anti-blocking structure of the screen surface of the screening device for sandstone system production according to claim 1, characterized in that: The inner cavity of the blowing hole (6) is provided with the cross valve (5), and the cross valve (5) is a one-way valve.
5. The anti-blocking structure of the screen surface of the screening device for sandstone system production according to claim 1, characterized in that: The outer surfaces of the connecting pipe (3) and the fluid inlet pipe (4) are wrapped with protective pads, and the fluid inlet pipe (4) is a telescopic pipe.
6. The anti-blocking structure of the screen surface of the screening device for sandstone system production according to claim 1, characterized in that: The height value of the flow material gap is not greater than the screen mesh hole diameter, and the distance between the adjacent two anti-blocking cones (2) is matched with the size of the material to be screened.