Ventilation system for broiler chicken breeding
By introducing a combination structure of air intake pipe, support pipe, air guide and diffuser components into the broiler breeding ventilation system, the problem of uneven ventilation at different heights inside the chicken house is solved, achieving a more efficient ventilation effect, especially with a significant improvement in ventilation at the lower position.
Patent Information
- Application Number
- CN202520451655.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Existing ventilation systems for broiler chicken farming are ineffective at different heights within the chicken house, especially at the lower levels.
It adopts a combined structure of air inlet pipe, support pipe, air guide assembly and diffuser shielding assembly. The airflow is split and guided by the fan, and the hot air is discharged by the air outlet and flow channel of the support pipe. At the same time, the fan is used to adjust the airflow direction to improve ventilation efficiency.
It improved ventilation at all heights inside the chicken house, especially significantly improving ventilation at the bottom, thus enhancing the uniformity and efficiency of ventilation.
Smart Images

Figure CN223816735U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of chicken house ventilation technology, and particularly relates to a ventilation system for broiler chicken farming. Background Technology
[0002] With the comprehensive development of scientific breeding technology, broiler chickens raised in captivity grow rapidly from chicks to market weight, and the stocking density is relatively high. Therefore, ventilation and air exchange are required in the breeding room during the breeding process.
[0003] The existing ventilation system for broiler chicken farming uses independent structures for air intake and exhaust. The simplest way is to use intake fans and exhaust fans on both sides of the chicken house to achieve ventilation. The main function of the intake is to promote the flow of hot air in the chicken house and exhaust the hot air. Not only is the structure dispersed, but the ventilation effect in the middle and lower part of the chicken house is also poor. Utility Model Content
[0004] The technical problem to be solved by this utility model is to improve the ventilation effect at different heights inside the chicken house and promote the flow of air in and out of each ventilation location.
[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a ventilation system for broiler farming, including an air inlet pipe, an air inlet hole on the lower part of the outer side wall of the air inlet pipe, a fan connected to one side of the air inlet pipe, a support pipe and a guide air delivery assembly, the support pipe being fixedly connected to the upper outer side wall of the air inlet pipe, an air outlet hole on the outer side wall of the support pipe, a flow channel being formed between the outer wall of the air inlet pipe and the inner wall of the support pipe, the guide air delivery assembly being fixedly installed at the upper end of the air inlet pipe for diverting and guiding the air delivered by the fan to the air inlet pipe, and a diffusion shielding assembly being connected to the upper end of the support pipe.
[0006] Furthermore, the bottom of the support tube is tapered, and an air outlet is provided on the outer wall of the bottom of the support tube. The air outlet is arranged in a ring with the air inlet tube at uniform intervals and is connected to the flow channel. A baffle is fixedly connected to the outer wall of the support tube for positioning and snapping installation of the support tube.
[0007] Furthermore, the guiding air supply assembly includes a fan, which is fixedly connected to the upper end of the air inlet pipe and located within the flow channel.
[0008] Furthermore, a connecting pipe is fixedly connected to the middle of the outer wall of the air intake pipe. The connecting pipes are symmetrically distributed on the left and right sides. The connecting pipes are located above the air intake hole. One side of the connecting pipe is connected to the air intake end of the fan, and the other side of the connecting pipe is used for series connection between devices.
[0009] Furthermore, the upper end of the air intake pipe is tapered, and the lower end of the air intake pipe is closed.
[0010] Furthermore, the diffusion shielding assembly includes a connecting rod and a cover. The connecting rod is fixedly connected to the upper end of the support tube, and the cover is fixedly connected to the upper end of the connecting rod. The cover is tapered and its bottom slope corresponds to the flow channel.
[0011] After adopting the above structure, the beneficial effects of this utility model are as follows: For ventilation inside the chicken house, multiple devices are installed in series on the roof of the chicken house. The upper end of the support pipe passes through the roof of the chicken house and extends outward. Adjacent air inlet pipes are connected in series through horizontally extending connecting pipes. The ventilation fan delivers air to the connecting pipe on one side of the edge position for air intake inside the chicken house. At the same time, the hot air inside the chicken house gathers at the top and enters the flow channel through the air outlet.
[0012] The gas entering the air intake pipe flows dispersedly along the upper and lower ends of the air intake pipe and the connecting pipe on the other side, so that each air intake pipe is connected. It is used to introduce air into the chicken house and to push the hot air in the flow channel to be discharged. The airflow intensity is adjusted by the guide air supply component, which is suitable for ventilation efficiency at different stages. Attached Figure Description
[0013] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.
[0014] Figure 1 This is a schematic diagram of the overall structure of the ventilation system for broiler farming proposed in this utility model;
[0015] Figure 2 This is a schematic diagram of the air outlet structure of the ventilation system for broiler farming proposed in this utility model.
[0016] Figure 3 This is a schematic diagram of the internal structure of the ventilation system for broiler farming proposed in this utility model;
[0017] Figure 4 This is a half-sectional view of the ventilation system for broiler chicken farming proposed in this utility model;
[0018] Figure 5 for Figure 4 Enlarged view of part A.
[0019] In the attached diagram: 1. Inlet pipe, 2. Inlet hole, 3. Support pipe, 4. Guide air supply assembly, 5. Outlet hole, 6. Flow channel, 7. Diffusion shielding assembly, 8. Baffle, 9. Fan, 10. Connecting pipe, 11. Connecting rod, 12. Cover. Detailed Implementation
[0020] like Figure 1-5 As shown, a ventilation system for broiler chicken farming includes an air inlet pipe 1 with an air inlet hole 2 on the lower part of its outer side wall. A fan is connected to one side of the air inlet pipe 1. It also includes a support pipe 3 and a guide air delivery assembly 4. The support pipe 3 is fixedly connected to the upper outer side wall of the air inlet pipe, and an air outlet hole 5 is opened on its outer side wall. A flow channel 6 is formed between the outer wall of the air inlet pipe 1 and the inner wall of the support pipe 3. The guide air delivery assembly 4 is fixedly installed at the upper end of the air inlet pipe 1 for diverting and guiding the airflow from the fan to the air inlet pipe 1. A diffuser / shielding assembly 7 is connected to the upper end of the support pipe 3. A connecting pipe 10 is fixedly connected to the middle of the outer side wall of the air inlet pipe 1. The connecting pipes 10 are symmetrically distributed on both sides and are located at the air inlet hole 2. Above, one side of the connecting pipe 10 is connected to the air inlet of the fan, and the other side of the connecting pipe 10 is used for series connection between equipment. The upper end of the support pipe 3 passes through the roof of the chicken house, so that the flow channel 6 extends upward to the chicken house. The hot air in the upper part of the chicken house is discharged to the outside through the air outlet 5 and the flow channel 6. At the same time, the fan supplies air into the air inlet pipe 1 through one end of the connecting pipe 10, and delivers fresh air to each air inlet pipe 1 through the other end of the connecting pipe 10. The air flows upward and downward in the air inlet pipe 1. When the gas flows downward, it enters the middle and lower part of the chicken house. When the gas flows upward, it pushes the hot air in the flow channel 6 upward to be discharged. At the same time, the guide air supply component 4 is used to enhance the delivery and discharge of the gas in the air inlet pipe 1.
[0021] like Figure 1 and Figure 2 As shown, in order to increase the exhaust of air from the upper part of the chicken house, the bottom of the support pipe 3 is tapered. The outer wall of the bottom of the support pipe 3 has an air outlet 5. The air outlet 5 is arranged in a ring with the air inlet pipe 1 at uniform intervals and is connected to the flow channel 6, so that hot air can enter the flow channel 6 simultaneously from the side wall and bottom of the support pipe 3. The outer wall of the support pipe 3 is fixedly connected to a baffle 8 for positioning and snapping installation of the support pipe 3.
[0022] like Figure 4 and Figure 5 As shown, in order to reduce the amount of fresh air delivered by the fan being discharged from the top of the intake pipe 1, the upper end of the intake pipe 1 is designed to be narrowed. At the same time, the pressure of the gas discharged from the top of the intake pipe 1 is increased to facilitate the flow of hot air. The bottom end of the intake pipe 1 is designed to be closed.
[0023] like Figure 3-5As shown, in order to increase the airflow at the upper end of the intake pipe 1, the guide air supply assembly 4 includes a fan 9. The fan 9 is fixedly connected to the upper end of the intake pipe 1 and located in the flow channel 6. The fan 9 is driven by a three-phase motor and can rotate in both directions. When the fan 9 rotates in the forward direction, it pushes the air inside the intake pipe 1 to flow upward and pushes the hot air out in the flow channel 6. When the airflow direction is reversed, it delivers air into the intake pipe 1, thereby increasing the airflow inside the intake pipe 1, increasing the ventilation of the intake port 2, and increasing the air intake volume in each intake pipe 1 connected in series.
[0024] like Figure 3 and Figure 4 As shown, in order to disperse and discharge hot air and protect the upper end of the support pipe 3, the diffusion shielding assembly 7 includes a connecting rod 11 and a baffle 12. The connecting rod 11 is fixedly connected to the upper end of the support pipe 3, and the baffle 12 is fixedly connected to the upper end of the connecting rod 11. The baffle 12 is conical in shape, and its bottom slope corresponds to the flow channel 6. The baffle 12 shields the support pipe 3 from falling vertically into the support pipe 3. The hot air contacts the bottom slope of the baffle 12, causing the hot air to disperse and flow outward.
[0025] In practical use, the operator will insert multiple of these devices through the roof of the chicken house and install them inside the roof. They will be connected in series using the connecting pipes 10 extending to both sides. The cover 12 will block the objects above the support pipe 3 to prevent them from falling vertically into the support pipe 3.
[0026] When the air is supplied, one side connecting pipe 10 is connected to the air inlet of the fan. The fan supplies air to the inside of the air inlet pipe 1 through one end connecting pipe 10, and delivers fresh air to each air inlet pipe 1 through the other end connecting pipe 10. The gas flowing in the air inlet pipe 1 flows up and down respectively. When the gas flows down, it enters the middle and lower part of the chicken house and provides fresh air to the inside of the chicken house through the air inlet hole 2 on the bottom side wall of the air inlet pipe 1.
[0027] Meanwhile, the hot air in the chicken house enters the flow channel 6 through the air outlet 5. When the gas flows upward, it pushes the hot air inside the flow channel 6 upward to be discharged. The hot air contacts the bottom inclined edge of the baffle 12, causing the hot air to disperse and flow outward, thus achieving ventilation inside the chicken house. In order to increase the air flow at the upper end of the air inlet pipe 1, the fan 9 is driven by a three-phase motor, which can achieve forward and reverse rotation. When the fan 9 rotates forward, it pushes the air inside the air inlet pipe 1 upward to be discharged in the flow channel 6. When the air direction is reversed, it delivers air into the air inlet pipe 1, increasing the air flow rate inside the air inlet pipe 1, increasing the ventilation of the air inlet 2, and increasing the air intake in each air inlet pipe 1 connected in series, thereby strengthening the delivery and discharge of gas inside the air inlet pipe 1.
[0028] 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. In conclusion, if those skilled in the art, inspired by this description, design similar structural methods and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.
Claims
1. A ventilation system for broiler chicken farming, comprising an air inlet pipe (1), wherein an air inlet hole (2) is provided on the lower part of the outer side wall of the air inlet pipe (1), and a fan is connected to one side of the air inlet pipe (1), characterized in that: It also includes a support pipe (3) and a guide air supply assembly (4). The support pipe (3) is fixedly connected to the upper outer wall of the air inlet pipe. The outer wall of the support pipe (3) has an air outlet (5). A flow channel (6) is formed between the outer wall of the air inlet pipe (1) and the inner wall of the support pipe (3). The guide air supply assembly (4) is fixedly installed at the upper end of the air inlet pipe (1) and is used for the diversion and guidance of the fan to supply air to the air inlet pipe (1). The upper end of the support pipe (3) is connected to a diffusion shielding assembly (7).
2. The ventilation system for broiler chicken farming according to claim 1, characterized in that: The bottom of the support tube (3) is tapered, and the air outlet (5) is arranged in a ring with the air inlet tube (1) as the center and is connected to the flow channel (6). The outer wall of the support tube (3) is fixedly connected with a baffle (8) for positioning and snapping installation of the support tube (3).
3. The ventilation system for broiler chicken farming according to claim 2, characterized in that: The air delivery component (4) includes a fan (9), which is fixedly connected to the upper end of the air inlet pipe (1) and located in the flow channel (6).
4. The ventilation system for broiler chicken farming according to claim 3, characterized in that: A connecting pipe (10) is fixedly connected to the middle of the outer side wall of the air inlet pipe (1). The connecting pipe (10) is arranged symmetrically on the left and right. The connecting pipe (10) is located above the air inlet (2). One side of the connecting pipe (10) is connected to the air inlet end of the fan, and the other side of the connecting pipe (10) is used for series connection between devices.
5. The ventilation system for broiler chicken farming according to claim 3, characterized in that: The upper end of the air intake pipe (1) is narrowed, and the lower end of the air intake pipe (1) is closed.
6. The ventilation system for broiler chicken farming according to claim 1, characterized in that: The diffusion shielding assembly (7) includes a connecting rod (11) and a cover (12). The connecting rod (11) is fixedly connected to the upper end of the support tube (3), and the cover (12) is fixedly connected to the upper end of the connecting rod (11). The cover (12) is conical and its bottom slope corresponds to the flow channel (6).