A feed line regulating alarm device for preventing feed dust

By combining a dust separator and an adjustable dust-collecting pipeline, the problem of feed dust dispersion was solved, enabling efficient feed delivery and real-time monitoring, thereby improving breeding efficiency and animal health.

CN118592346BActive Publication Date: 2026-03-17SHAANXI SHIYANG AGRI TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-05-25
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

In existing technologies, feed is severely pulverized during transportation, resulting in dust dispersion, which affects the palatability and health of animals, and makes it difficult to observe the condition of the feed trough.

Method used

By employing a dust separator and adjustable dust-collecting pipeline, combined with an intelligent alarm, feed powder can be separated and monitored in real time to prevent dust spread and trigger an alarm in case of abnormality.

Benefits of technology

It effectively reduces the dispersion of feed powder, increases animal feed intake and health, reduces the risk of disease, and improves the ease of observation in the feed trough.

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Abstract

The application provides a feed line adjustment alarm device for preventing feed dust, which comprises a feed line main pipeline, a dust separator and an adjustable dust reduction branch pipeline; the dust separator is installed on the feed line main pipeline near a feed silo, so that the feed entering the feed line main pipeline in a breeding house is granular feed; a dust blocking joint is threadedly connected to the bottom end of a branch pipeline adjusting part of the adjustable dust reduction branch pipeline, a plurality of inclined downward elastic blocking restraints are arranged on the inner wall of the dust blocking joint near the bottom end, and the bottom end of the dust blocking joint is connected with an intelligent alarm. The application separates and reduces feed powder in the process of material feeding and transportation through the double dust reduction effects of the dust separator and the plurality of adjustable dust reduction branch pipelines, so as to achieve good dust prevention effect in the breeding section. The intelligent alarm timely monitors the operation of the feed line main pipeline and the dust blocking joint, reduces manual input and realizes efficient use of human resources.
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Description

Technical Field

[0001] This invention belongs to the technical field of feed feeding devices, specifically relating to a feed line adjustment alarm device to prevent feed dust. Background Technology

[0002] Intensive farming relies on machinery to transport finished pelleted feed through feed pipelines to animal feed troughs, and automated animal feeding has become the biggest driving force for the booming development of farming. The machinery used by feed mills to transport animal feed mostly relies on spiral augers in finished product warehouses and feed trucks. The spiral augers transfer finished pelleted feed from the feed mill to the feed trucks and then to the feed silos in the farm. The machinery used by farms to transport animal feed mostly relies on disc feed lines from the feed silos to the animal sheds, and then the disc feed lines transfer the finished pelleted feed to the animal feed troughs.

[0003] The finished pelleted feed undergoes 3-4 auger transports from the feed workshop to the feed silos in the farm. From the feed silos to the animal feed troughs, it is pulled repeatedly in a closed loop over a long period of time by the stopper disc. The finished pelleted feed inevitably breaks down and produces feed powder under the friction and compression of the auger and the stopper disc. Generally, feed powder accounts for about 5%-8% in animal feed troughs, and in severe cases, it accounts for 20%-40%.

[0004] On the other hand, the pelleted feed moves at high speed in the feed line pipe driven by the stopper disc. When it reaches the feed outlet of the branch pipe, it falls along the inner wall of the branch pipe to the animal feed trough under the action of gravity. Due to the excessive falling speed and the excessive density of the feed pellets, the pelleted feed collides violently with the inner wall of the branch pipe and the animal feed trough during the falling process. Some of the pelleted feed breaks into powder, which increases the degree of pellet breakage. The feed powder in the feed line pipe is dispersed into the air through the feed outlet of the branch pipe after high-speed movement and violent collision, generating air dust. The feed branch pipe has poor adjustability in height from the feed trough, which makes it impossible to collect the dispersed feed dust inside the feed trough for settling.

[0005] Feed powdering reduces palatability for animals, leading to decreased feed intake. Furthermore, feed dust dispersed in the air and in animal pens makes it difficult for animals to utilize the feed, resulting in significant feed waste. Simultaneously, airborne feed dust enters animal lung tissue through respiration, causing respiratory diseases that can be fatal. The dust also serves as a medium for the proliferation of pathogenic microorganisms, easily triggering disease transmission.

[0006] Existing methods typically involve adding a cover to the animal feed trough to reduce feed dust. However, because stainless steel or other materials are opaque, it is impossible to observe the condition of the feed trough during use, making it difficult to judge the animals' feeding status. Even if transparent plastic feed trough covers are used, they easily attract dust during use, becoming blurry over time and hindering observation.

[0007] Based on this, a feed line adjustment alarm device for preventing feed dust is proposed. Summary of the Invention

[0008] The technical problem to be solved by the present invention is to provide a feed line adjustment alarm device for preventing feed dust, in order to address the shortcomings of the prior art mentioned above.

[0009] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a feed line adjustment alarm device for preventing feed dust, including a main feed line pipe, a dust separator and an adjustable dust suppression pipe;

[0010] The dust separator is installed on the main feed line near the feed silo. The dust separator separates the feed mixture containing feed powder into powder before it enters the breeding house through the main feed line, so that the feed entering the breeding house through the main feed line is pelleted feed.

[0011] Multiple adjustable dust suppression pipes are provided, and each is installed on the main feed line pipe corresponding to the animal feed trough.

[0012] The adjustable dust suppression branch pipe includes a branch pipe fixing component, a branch pipe adjusting component, and a dust blocking connector. The branch pipe fixing component is fixedly connected to the main material line pipe. The branch pipe fixing component is provided with convex elastic elements. The branch pipe adjusting component is provided with a hole-shaped groove that is used in conjunction with the convex elastic elements.

[0013] The adjustable dust suppression branch pipe has a dust blocking connector threaded to the bottom of the adjusting component. The inner wall of the dust blocking connector is provided with multiple downward-sloping elastic blocking bundles near the bottom.

[0014] The bottom of the dust blocking connector is connected to an intelligent alarm, which provides an alert when abnormal feeding of the feed mixture occurs.

[0015] As a further explanation of the present invention, the dust separator consists of a dust separation pipe, a filter screen, and a dust collector. The dust separation pipe is fixed at the lower opening of the main material line pipe. A filter screen is installed at the top of the dust separation pipe, and a conical dust collector is installed at the bottom of the dust separation pipe.

[0016] As a further explanation of the present invention, the outer diameter of the filter screen is the same as the inner diameter at the connection between the dust separation pipe and the main feed line pipe, and the filter screen is a filter screen with a mesh size of 1.0mm-2.0mm. When the feed powder in the main feed line pipe passes through the filter screen, if the particle size of the feed powder is smaller than the mesh size of the filter screen, the feed powder falls into the dust separation pipe and is deposited in the dust collector, thereby separating the feed powder and granular feed in the main feed line pipe, realizing the separation of feed powder in the feed silo before entering the breeding pen.

[0017] As a further explanation of the present invention, multiple convex elastic elements are provided at equal intervals on both sides of the pipe fixing component, and multiple hole-shaped slots are also provided at equal intervals on both sides of the pipe adjusting component. The convex elastic elements are engaged in the hole-shaped slots to form an adjusting lock, and the length adjustment of the adjustable dust-reducing pipe is completed by adjusting the lock.

[0018] As a further explanation of the present invention, the surface of the convex elastic element is 1.5-2.0 mm higher than the surface of the pipe fixing element, the diameter of the convex elastic element is 2-3 mm, and the distance between them is 30-100 mm.

[0019] As a further explanation of the present invention, the outer wall of the branch pipe adjusting component near the bottom is smooth, and the inner spiral wall of the branch pipe adjusting component near the bottom is threaded. The bottom end of the dust blocking joint is a smooth outer wall of the dust blocking joint, and the top end of the dust blocking joint is a threaded outer wall of the dust blocking joint with threads on the outside. The inner spiral wall of the branch pipe adjusting component and the threaded outer wall of the dust blocking joint are connected by a spiral fastener. The feed mixture flows into the inner wall of the dust blocking joint through the inner wall of the branch pipe adjusting component for transportation.

[0020] As a further explanation of the present invention, the elastic barrier bundle is specifically inclined downward at 40-60°, and the elastic barrier bundle has a bottom area of ​​1.0-3.0 mm². 2 The object is a cuboid or cylinder, and the elastic barrier bundles are distributed at a density of 3.0-5.0 × 10⁻⁶ on the inner wall of the dust barrier joint. 5 root / m 2 .

[0021] As a further explanation of the present invention, the intelligent alarm is a ring-shaped cylindrical structure, and the intelligent alarm is provided with two fixing heads. The bottom end of the dust blocking head has two fixing holes, and the fixing heads are snapped together with the fixing holes. The signal reflecting element of the intelligent alarm is located below the fixing head on one side of the intelligent alarm. A signal transmitting and receiving module is installed below the fixing head on the other side of the intelligent alarm. The signal transmitting and receiving module is provided with a signal transmitting element. The signal transmitting element controlled by the signal transmitting and receiving module first emits a light wave signal, which is transmitted to the signal reflecting element. After being reflected by the signal reflecting element, the signal is received by the transmitting and receiving module, thus completing the signal transmission.

[0022] As a further explanation of the present invention, the intelligent alarm is also provided with an operation panel and an arc-shaped battery pack on the outside. The operation panel is provided with a program setting button, a time setting button, an audio-visual setting button, a display screen, an audio alarm element and a light alarm element.

[0023] The program settings buttons control the signal transmission program of the signal transmitting and receiving module, and display and respond to the signal information fed back by the signal transmitting and receiving module;

[0024] The time setting button controls the date and the response time of the audible and visual alarm elements, and controls the time threshold for abnormal material flow.

[0025] The sound and light setting button controls the response combination of the sound alarm element and the light alarm element set by the information transmitted by the signal transmitting and receiving module and the program setting button, that is, to realize sound response, light response or sound and light combined response;

[0026] The sound alarm element responds to the signals triggered by the signal transmitting and receiving module, the program setting button and the time setting button in the form of sound, providing sound alarms for the breeding personnel.

[0027] The light alarm element responds to the signals triggered by the signal transmission and reception module, program setting button, and time setting button in the form of light, providing a light alarm for the aquaculture personnel.

[0028] As a further illustration of the present invention, the two fixed clips are symmetrically distributed at the top of the intelligent alarm device along an axis center.

[0029] Compared with the prior art, the present invention has the following advantages:

[0030] This invention utilizes a dual dust suppression system—a dust separator and multiple adjustable dust-reducing pipes—to separate and reduce feed dust during feeding and transportation, achieving excellent dust control in the breeding section. An intelligent alarm system monitors the operation of the main feed line and dust-blocking joints in real time, allowing for intelligent assessment of the feeding process and the effectiveness of the dust suppression equipment, reducing manual labor and achieving efficient utilization of human resources. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0032] Figure 2 This is a schematic diagram of the dust separator of the present invention in use;

[0033] Figure 3 This is a schematic diagram of the adjustable dust suppression pipeline of the present invention in use;

[0034] Figure 4 This is a front view of the adjustable dust suppression manifold of the present invention;

[0035] Figure 5 This is a side view of the adjustable dust suppression manifold of the present invention;

[0036] Figure 6 This is a schematic diagram illustrating the adjustment of the locking mechanism in use according to the present invention;

[0037] Figure 7 This is a schematic diagram of the bottom structure of the pipe adjusting component of the present invention;

[0038] Figure 8 This is a schematic diagram of the top structure of the dust barrier connector of the present invention;

[0039] Figure 9 This is a schematic diagram of the elastic barrier beam structure of the present invention;

[0040] Figure 10 This is a side view of the elastic barrier beam structure of the present invention;

[0041] Figure 11 This is a schematic diagram of the intelligent alarm device of the present invention.

[0042] Figure 12 This is a top view of the intelligent alarm device of the present invention;

[0043] Figure 13 This is a schematic diagram of the connection structure between the intelligent alarm device and the dust blocking connector of the present invention.

[0044] Explanation of reference numerals in the attached figures:

[0045] 1. Main feed line pipe; 2. Dust separator; 21. Dust separation pipe; 22. Filter screen; 23. Dust collector; 3. Adjustable dust suppression branch pipe; 31. Branch pipe fixing component; 32. Convex elastic component; 33. Hole-shaped slot; 34. Branch pipe adjusting component; 34-1. Outer wall of branch pipe adjusting component; 34-2. Threaded inner wall of branch pipe adjusting component; 35. Spiral connecting fastener; 36. Dust barrier joint; 36-1. Outer wall of dust barrier joint; 36-2. Threaded outer wall of dust barrier joint; 36-3. Inner wall of dust barrier joint; 36-4. Fixing hole; 37. 1. Elastic restraint bundle; 38. Adjustable locking mechanism; 4. Intelligent alarm; 41. Fixed locking head; 42. Signal reflecting element; 43. Operation panel; 43-1. Program setting button; 43-2. ​​Time setting button; 43-3. Sound and light setting button; 43-4. Display screen; 43-5. Sound alarm element; 43-6. Light alarm element; 44. Signal transmitting and receiving module; 44-1. Signal transmitting element; 45. Arc-shaped battery pack; 45-1. Battery pack fixing switch; 5. Animal feed trough; 6. Feed silo; 7. Feed mixture; 8. Pelleted feed; 9. Feed powder. Detailed Implementation

[0046] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. 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.

[0047] like Figure 1-13 As shown, the present invention provides a technical solution: a feed line adjustment alarm device for preventing feed dust, including a main feed line pipe 1, a dust separator 2 and an adjustable dust suppression branch pipe 3;

[0048] The dust separator 2 is installed on the main feed line pipe 1 near the feed silo 6. The dust separator 2 separates the feed mixture 7 containing feed powder 9 into feed powder 9 before it enters the breeding house through the main feed line pipe 1, so that the feed entering the breeding house through the main feed line pipe 1 is pellet feed 8.

[0049] The dust separator 2 consists of a dust separation pipe 21, a filter screen 22, and a dust collector 23. The dust separation pipe 21 is fixed at the lower opening of the main material line pipe 1. The top of the dust separation pipe 21 is equipped with a filter screen 22, and the bottom of the dust separation pipe 21 is connected to a conical dust collector 23.

[0050] The outer diameter of the filter screen 22 is the same as the inner diameter at the connection between the dust separation pipe 21 and the main feed pipe 1. The filter screen 22 is a filter screen with a mesh size of 1.0mm-2.0mm. When the feed powder 9 in the main feed pipe 1 passes through the filter screen 22, if the particle size of the feed powder 9 is smaller than the mesh size of the filter screen 22, the feed powder 9 falls into the dust separation pipe 21 and is deposited in the dust collector 23, thereby separating the feed powder 9 and the pellet feed 8 in the main feed pipe 1, and realizing the separation of feed powder 9 in the feed mixture 7 in the feed silo 6 before entering the breeding pen.

[0051] Multiple adjustable dust suppression branch pipes 3 are provided and are respectively installed on the main feed line pipe 1 corresponding to the animal feed trough 5; the adjustable dust suppression branch pipe 3 includes a branch pipe fixing component 31, a branch pipe adjusting component 34 and a dust blocking connector 36. The branch pipe fixing component 31 is fixedly connected to the main feed line pipe 1. The branch pipe fixing component 31 is provided with convex elastic components 32. The branch pipe adjusting component 34 is provided with a hole-shaped slot 33 that is used in conjunction with the convex elastic components 32.

[0052] Multiple convex elastic elements 32 are equally spaced on both sides of the pipe fixing member 31. Multiple perforated slots 33 are also equally spaced on both sides of the pipe adjusting member 34. The convex elastic elements 32 are engaged in the perforated slots 33 to form an adjusting lock 38. The length of the adjustable dust-reducing pipe 3 is adjusted by adjusting the lock 38.

[0053] The surface of the convex elastic element 32 is 1.5-2.0 mm higher than the surface of the pipe fixing element 31. The diameter of the convex elastic element 32 is 2-3 mm, and the distance between them is 30-100 mm.

[0054] The adjustable dust suppression pipe 3 has a pipe adjustment component 34 with a dust blocking connector 36 threaded to its bottom end. The inner wall 36-3 of the dust blocking connector 36 has multiple downward-sloping elastic blocking bundles 37 near the bottom end.

[0055] The outer wall 34-1 of the branch pipe adjusting component 34 near its bottom is smooth, and the inner spiral wall 34-2 of the branch pipe adjusting component 34 near its bottom is threaded. The bottom end of the dust blocking connector 36 is the outer wall 36-1 of the dust blocking connector with a smooth surface, and the top end of the dust blocking connector 36 is the outer threaded wall 36-2 of the dust blocking connector with threads on the outside. The inner spiral wall 34-2 of the branch pipe adjusting component and the outer threaded wall 36-2 of the dust blocking connector form a spiral fastener 35 through a spiral. The feed mixture 7 flows into the inner wall 36-3 of the dust blocking connector 36 through the inner wall of the branch pipe adjusting component 34 for transportation.

[0056] The elastic barrier bundle 37 is specifically inclined downwards at 40-60°, and the elastic barrier bundle 37 has a bottom area of ​​1.0-3.0 mm². 2 The object is a cuboid or cylinder, and the elastic barrier bundle 37 is distributed at a density of 3.0-5.0 × 10⁻⁶ on the inner wall of the dust barrier joint 36. 5 root / m 2 .

[0057] The bottom end of the dust blocking connector 36 is connected to an intelligent alarm 4, which provides an alert when the feed mixture 7 is discharged abnormally.

[0058] The intelligent alarm 4 has a circular cylindrical structure and is equipped with two fixing heads 41. The two fixing heads 41 are symmetrically distributed at the top of the intelligent alarm 4. The dust blocking head 36 has two fixing holes 36-4 at its bottom end, and the fixing heads 41 are snapped into the fixing holes 36-4. The signal reflecting element 42 of the intelligent alarm 4 is located below the fixing head 41 on one side of the intelligent alarm 4. The signal transmitting and receiving module 44 is installed below the fixing head 41 on the other side of the intelligent alarm 4. The signal transmitting and receiving module 44 is equipped with a signal transmitting element 44-1. The signal transmitting element 44-1, controlled by the signal transmitting and receiving module 44, first emits a light wave signal and transmits it to the signal reflecting element 42. After being reflected by the signal reflecting element 42, the signal is received by the transmitting and receiving module 44, thus completing the signal transmission.

[0059] The intelligent alarm 4 is also provided with an operation panel 43 and an arc-shaped battery pack 45 on the outside. The operation panel 43 is provided with a program setting button 43-1, a time setting button 43-2, an audio-visual setting button 43-3, a display screen 43-4, an audio alarm element 43-5, and a light alarm element 43-6.

[0060] The program setting button 43-1 controls the signal transmission program of the signal transmitting and receiving module 44, and displays and responds to the signal information fed back by the signal transmitting and receiving module 44;

[0061] The time setting button 43-2 controls the response time of the date and sound alarm element 43-5 and the light alarm element 43-6, and controls the time threshold for abnormal material flow.

[0062] The sound and light setting button 43-3 controls the combination of the information transmitted by the signal transmitting and receiving module 44 and the response of the sound alarm element 43-5 and the light alarm element 43-6 set by the program setting button 43-1, that is, to realize sound response, light response or sound-light combination response;

[0063] The sound alarm element 43-5 responds to the signal triggered by the signal transmitting and receiving module 44, the program setting button 43-1 and the time setting button 43-2 in the form of sound, providing sound alarms for the breeding personnel.

[0064] The light alarm element 43-6 responds to the signals triggered by the signal transmitting and receiving module 44, the program setting button 43-1, and the time setting button 43-2 in the form of light, providing a light alarm for the breeding personnel.

[0065] The intelligent alarm 4 can be set to start at a time to assist feeders in inspecting and judging the feeding situation and the operating status of the dust blocking connector 36.

[0066] During the feeding time set for the animals, the signal transmitting and receiving module 44 controls the signal transmitting element 44-1 to transmit a signal to the signal reflecting element 42. When feed falls into the adjustable dust-reducing pipe 3 and the dust blocking connector 36 of the feed line, the pelleted feed 8, after being dusted by the elastic blocking bundle 37, continues to fall into the animal feed trough 5 through the inner wall of the intelligent alarm 4. The falling pelleted feed 8 blocks the signal transmitted from the signal transmitting element 44-1 to the signal reflecting element 42 controlled by the signal transmitting and receiving module 44, and the signal reflecting element 42 does not transmit a signal to the signal transmitting and receiving module 44. This does not meet the signal response triggered by the comprehensive control of the signal transmitting and receiving module 44, the program setting button 43-1, and the time setting button 43-2, and does not meet the program set by the sound and light setting button 43-3 to achieve sound response, light response, or sound-light combination alarm, without the need for manual intervention in the operation of the feed line.

[0067] When feed powder 9 becomes clogged in the elastic barrier bundle 37 of the adjustable dust-falling pipe 3 or dust-blocking connector 36, the pellet feed 8 cannot continuously pass through the gaps in the elastic barrier bundle 37 and fall into the animal feed trough 5 through the inner wall of the intelligent alarm 4. The signal transmitting and receiving module 44 controls the signal transmitting element 44-1 to transmit a signal to the signal reflecting element 42 without obstruction, and the signal reflected by the signal reflecting element 42 can be transmitted to the signal transmitting and receiving module 44 for reception. This satisfies the signal response triggered by the comprehensive control of the signal transmitting and receiving module 44, the program setting button 43-1, and the time setting button 43-2. ​​It satisfies the program set by the sound and light setting button 43-3 to realize sound response, light response, or sound-light combination alarm. The alarm is reminded by the sound alarm element 43-5 or the light alarm element 43-6. In this case, it is necessary to manually intervene in the operation of the feed line and check the operation of the dust-blocking connector 36. If the elastic barrier bundle 37 of the dust barrier connector 36 is blocked, disassemble and clean the feed powder 9 on the elastic barrier bundle 37 or replace it; if the elastic barrier bundle 37 of the dust barrier connector 36 is not blocked, check the operation of the main feed line 1 and the feed storage in the feed silo 6, promptly detect abnormal feeding behavior when feeding animals, and reduce the intensity of manual labor.

[0068] The adjustable feed line device for preventing feed dust in this embodiment separates and reduces feed powder 9 during feeding and transportation through the dual dust reduction effect of dust separator 2 and multiple adjustable dust reduction pipes 3, achieving a good dust prevention effect in the breeding section.

[0069] The intelligent alarm 4 monitors the operation of the main feed line 1 and the dust blocking joint 36 in a timely manner, which can intelligently judge the feeding process and the effect of dust suppression equipment, reduce manual input, realize the efficient use of human resources, and is economical and practical.

[0070] 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.

[0071] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A feed line conditioning alarm device for preventing feed dust, characterized by: It comprises a material line main pipeline (1), a dust separator (2) and an adjustable dust reduction branch pipeline (3); The dust separator (2) is installed on the material line main pipeline (1) near the feed silo (6), and the feed mixture (7) containing feed powder (9) is separated from the feed powder (9) through the dust separator (2) before entering the breeding house through the material line main pipeline (1), so that the feed in the material line main pipeline (1) entering the breeding house is pellet feed (8); The dust separator (2) is composed of a dust separation pipeline (21), a filter screen (22) and a dust collector (23), the dust separation pipeline (21) is fixed at the lower opening of the material line main pipeline (1), the filter screen (22) is arranged at the top end of the dust separation pipeline (21), the bottom end of the dust separation pipeline (21) is connected with the conical dust collector (23), the outer diameter of the filter screen (22) is the same as the inner diameter of the connection between the dust separation pipeline (21) and the material line main pipeline (1), and the filter screen (22) is a filter screen with a mesh size of 1.0mm-2.0mm, when the feed powder (9) in the material line main pipeline (1) passes through the filter screen (22), the feed powder (9) with a particle size smaller than the mesh size of the filter screen (22) falls into the dust separation pipeline (21) and deposits in the dust collector (23), so that the feed powder (9) in the material line main pipeline (1) is separated from the pellet feed (8), and the separation of the feed powder (9) in the feed mixture (7) in the feed silo (6) is realized before entering the breeding house. A plurality of adjustable dust reduction branch pipelines (3) are arranged on the material line main pipeline (1) corresponding to the animal trough (5). The adjustable dust reduction branch pipeline (3) comprises a branch pipeline fixing member (31), a branch pipeline adjusting member (34) and a dust blocking joint (36), the branch pipeline fixing member (31) is fixedly connected with the material line main pipeline (1), the branch pipeline fixing member (31) is provided with convex elastic members (32), and the branch pipeline adjusting member (34) is provided with hole-shaped clamping grooves (33) matched with the convex elastic members (32). The adjustable dust fall sub-pipeline (3) is provided with a dust blocking joint (36) at the bottom end of the sub-pipeline adjusting part (34) in a threaded connection mode, a plurality of elastic blocking bonds (37) inclined downward are arranged in the dust blocking joint inner wall (36-3) of the dust blocking joint (36) near the bottom end, the elastic blocking bonds (37) are specifically inclined downward by 40-60°, the elastic blocking bonds (37) are rectangular parallelepiped or cylinder with a bottom area of 1.0-3.0mm 2 , and the density of the elastic blocking bonds (37) distributed on the inner wall of the dust blocking joint (36) is 3.0-5.0×10 5 / m 2 . The bottom end of the dust blocking joint (36) is connected with an intelligent alarm (4), and the intelligent alarm (4) is used to remind the abnormal feeding of the feed mixture (7).

2. A feed line conditioning alarm device for preventing feed dust according to claim 1, characterized in that, A plurality of convex elastic members (32) are arranged at both sides of the branch pipeline fixing member (31) at equal intervals, a plurality of hole-shaped clamping grooves (33) are also arranged at both sides of the branch pipeline adjusting member (34) at equal intervals, the convex elastic members (32) are clamped in the hole-shaped clamping grooves (33) to form adjusting clamping locks (38), and the length of the adjustable dust reduction branch pipeline (3) is adjusted through the adjusting clamping locks (38).

3. A feed line regulating alarm device for preventing feed dust according to claim 1, characterized in that, The surface of the convex elastic member (32) is 1.5-2.0mm higher than the surface of the branch pipeline fixing member (31), the diameter of the convex elastic member (32) is 2-3mm, and the distance between the convex elastic members (32) is 30-100mm.

4. A feed line conditioning alarm device for preventing feed dust according to claim 1, characterized in that, The outer wall (34-1) of the sub-pipe adjusting part (34) near the bottom end is smooth, the inner helical wall (34-2) of the sub-pipe adjusting part (34) near the bottom end is provided with threads, the bottom end of the dust blocking joint (36) is a dust blocking joint outer wall (36-1) with a smooth surface, and the top end of the dust blocking joint (36) is a dust blocking joint threaded outer wall (36-2) provided with threads on the outer side; the inner helical wall (34-2) of the sub-pipe adjusting part and the dust blocking joint threaded outer wall (36-2) are connected by a helical connecting fastener (35); and the feed mixture (7) flows into the dust blocking joint inner wall (36-3) of the dust blocking joint (36) through the inner wall of the sub-pipe adjusting part (34) to achieve transportation.

5. A feed-line regulating alarm device for preventing feed dust according to claim 1, wherein The intelligent alarm (4) is in a circular columnar structure, and two fixed clamping heads (41) are arranged on the intelligent alarm (4); two fixed clamping holes (36-4) are arranged at the bottom end of the dust blocking joint (36), and the fixed clamping heads (41) and the fixed clamping holes (36-4) are connected in a clamping mode; the signal reflecting element (42) of the intelligent alarm (4) is located below the fixed clamping head (41) on one side of the intelligent alarm (4); a signal transmitting and receiving module (44) is arranged below the fixed clamping head (41) on the other side of the intelligent alarm (4); the signal transmitting and receiving module (44) is provided with a signal transmitting element (44-1); the signal transmitting element (44-1) controlled by the signal transmitting and receiving module (44) first transmits an optical wave signal to the signal reflecting element (42), and the signal reflecting element (42) reflects the signal, which is received by the signal transmitting and receiving module (44), to complete signal transmission.

6. A feed-line regulating alarm device for preventing feed dust according to claim 5, characterized in that An operation panel (43) and an arc-shaped battery pack (45) are further arranged on the outer side of the intelligent alarm (4); the operation panel (43) is provided with a program setting button (43-1), a time setting button (43-2), an audible and light setting button (43-3), a display screen (43-4), an audible alarm element (43-5), and a light alarm element (43-6). The program setting button (43-1) controls the signal transmission program of the signal transmitting and receiving module (44), and displays and responds to the signal information fed back by the signal transmitting and receiving module (44); The time setting button (43-2) controls the response duration of the date and the audible alarm element (43-5) and the light alarm element (43-6), and controls the material flow abnormal time threshold value; The audible and light setting button (43-3) controls the information transmitted by the signal transmitting and receiving module (44) and the response combination of the audible alarm element (43-5) and the light alarm element (43-6) set by the program setting button (43-1), that is, the audible response, the light response, or the combination of the audible and light responses are realized; The sound alarm element (43-5) responds to the triggered signal in the form of sound in comprehensive control of the signal transmitting and receiving module (44), the program setting button (43-1) and the time setting button (43-2), so as to provide sound alarm for the breeding personnel. The light alarm element (43-6) responds to the triggered signal in the form of light in comprehensive control of the signal transmitting and receiving module (44), the program setting button (43-1) and the time setting button (43-2), so as to provide light alarm for the breeding personnel.

7. A feed-line regulating alarm device for preventing feed dust according to claim 5, wherein The two fixing clamps (41) are symmetrically distributed at the top end of the intelligent alarm (4).

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