Residential floor commercial lampblack discharge structure
By setting up fume collection chambers and shared fume bins in the ground floor shops of residential buildings, combined with inclined sludge collection outlets and concealed exhaust equipment, the problems of clogged exhaust pipes and odor of fumes were solved, achieving efficient exhaust and an aesthetically pleasing fume emission structure.
Patent Information
- Application Number
- CN202520317183.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-02-26
AI Technical Summary
The exhaust pipes of restaurants and shops on the ground floor of residential buildings are prone to blockage due to their distance from areas sensitive to oil fumes, resulting in increased exhaust resistance and a strong smell of oil fumes on the surrounding streets.
The system uses an oil fume collection chamber to collect the flue gas, and combines multiple horizontal pipes with a shared oil fume chamber to reduce the flue gas velocity. It also features inclined collection outlets and maintenance outlets for easy cleaning and conceals the exhaust equipment to improve aesthetics.
It effectively reduced blockages in horizontal pipes, decreased the smell of cooking fumes on surrounding streets, and improved smoke extraction efficiency and aesthetics.
Smart Images
Figure CN223924917U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a structure for emitting kitchen fumes from ground-floor shops in residential buildings. Background Technology
[0002] Many residential buildings have shops on the ground floor that are restaurants located near the street. These restaurants install exhaust pipes to remove kitchen fumes. In many areas, it is required that the exhaust outlets of these pipes be located at least 20 meters away from areas sensitive to fumes (such as residential rooms). However, some restaurants are located far from their exhaust outlets, requiring a longer section of horizontal pipe (roughly horizontal, not perfectly horizontal) to increase the distance between the exhaust outlet and the fumes-sensitive area. But horizontal pipes are prone to grease buildup and blockage, leading to increased exhaust resistance, poorer exhaust efficiency, and a stronger smell of cooking fumes in the surrounding streets. Utility Model Content
[0003] The purpose of this invention is to provide a structure for emitting cooking fumes from ground-floor shops in residential buildings. This invention has the advantage of reducing the smell of cooking fumes on surrounding streets.
[0004] The technical solution of this utility model is as follows: a fume emission structure for a residential ground floor shop, including a passage that passes sequentially above multiple catering shops in the residential ground floor shop, a fume collection chamber at the front end of the passage, a smoke exhaust port on the fume collection chamber, at least one shared fume chamber in the passage, and multiple sets of horizontal pipes corresponding to the number of catering shops in the passage. The front end of the horizontal pipe is connected to the fume collection chamber, and the rear end of the horizontal pipe is connected to the smoke exhaust port of the corresponding catering shop through a smoke exhaust riser.
[0005] For any set of horizontal pipes, when the distance between the corresponding exhaust riser and the fume collection chamber is less than 40 meters, there is only one horizontal pipe and it is not connected to the fume collection chamber; when the distance between the corresponding exhaust riser and the fume collection chamber exceeds 40 meters, there are two or more horizontal pipes, the length of the horizontal pipe does not exceed 40 meters, and two adjacent horizontal pipes are respectively connected to the front and rear sides of the same shared fume chamber.
[0006] In the aforementioned residential ground floor commercial fume emission structure, the bottom of the shared fume chamber is equipped with an openable maintenance and sewage outlet.
[0007] In the aforementioned residential ground floor commercial fume emission structure, the top of the passage is equipped with a shield, and both sides of the passage are equipped with decorative grilles.
[0008] In the aforementioned residential ground floor commercial fume emission structure, the restaurant has a fume well located on the top of the building, on one side of the passageway. A fume exhaust riser passes through the fume well, and exhaust louvers are installed on the side wall of the fume well away from the passageway. An exhaust pipe is connected to the exhaust louvers, and one end of the exhaust pipe passes through the fume well and extends into the restaurant.
[0009] In the aforementioned residential ground floor commercial fume emission structure, the bottom surface of the middle part of the horizontal pipe is provided with an openable sewage collection port, and the horizontal pipes on both sides of the sewage collection port extend upward at an angle of 1-3° with the horizontal plane.
[0010] In the aforementioned residential ground floor commercial fume emission structure, a sludge collection tray is provided below both the maintenance sludge outlet and the sludge collection outlet.
[0011] Compared with existing technologies, this invention utilizes a fume collection chamber to collect fumes emitted from multiple catering establishments, concentrating the fumes for centralized discharge in areas far from fume-sensitive zones. For catering establishments far from the fume collection chamber, two or more horizontal pipes are used to transport the fumes to the collection chamber, reducing the length of individual horizontal pipes. A shared fume chamber is set between adjacent horizontal pipes. The flow velocity of the fumes is reduced in the shared fume chamber, making it easier for oily fume particles to settle and remain there, reducing the oil content of the fumes, making the horizontal pipes less prone to clogging, preventing a decline in exhaust efficiency, and reducing the odor of cooking fumes on surrounding streets. Therefore, this invention has the advantage of reducing the odor of cooking fumes on surrounding streets.
[0012] Furthermore, by setting a sludge collection port at the bottom center of the horizontal pipe, with the horizontal pipe extending upwards on both sides of the collection port, the grease adhering to the horizontal pipe can be collected at the collection port, facilitating cleaning and further reducing the likelihood of blockage. By placing the horizontal pipe and shared fume chamber within the passageway, and installing a shielding frame at the top of the passageway and decorative grilles on both sides of the passageway's width, the horizontal pipe and shared fume chamber are concealed, resulting in better compatibility with the architectural style and improved aesthetics. By setting up a fume well, the exhaust riser and exhaust duct are placed within the fume well, further concealing the exhaust riser and exhaust duct and improving aesthetics. Attached Figure Description
[0013] Figure 1 This is a top view of the front end of the channel of this utility model.
[0014] Figure 2 This is a top view of a partial location of the present invention.
[0015] Figure 3 This is a top view of the middle section of the horizontal pipe.
[0016] Figure 4 yes Figure 2 A diagram at point aa.
[0017] Figure 5 yes Figure 1 A diagram at point bb.
[0018] Figure 6 yes Figure 1 A diagram at cc.
[0019] The labels in the attached diagram are: 1-Fume collection chamber, 2-Shared fume chamber, 3-Horizontal pipe, 4-Exhaust riser, 5-Maintenance drain outlet, 6-Fume well, 7-Exhaust louver, 8-Exhaust pipe, 9-Sewage collection outlet, 10-Sewage collection tray, 11-Shielding frame, 12-Decorative grating, 13-Plain concrete block, 14-Restaurant shop. Detailed Implementation
[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments, but this should not be construed as limiting the present invention.
[0021] Example. A fume emission structure for ground-floor shops in residential buildings, such as... Figure 1 As shown, the passageway passes sequentially above multiple food and beverage shops 14 located on the ground floor of a residential building. A fume collection chamber 1 is located at the front end of the passageway, away from areas sensitive to fumes. The fume collection chamber 1 has an exhaust vent. At least one shared fume chamber 2 is located within the passageway. Multiple sets of horizontal pipes 3, corresponding to the number of food and beverage shops, are installed within the passageway. The front end of each horizontal pipe 3 connects to the fume collection chamber 1. A fume purifier is preferably installed inside the fume collection chamber 1. The rear end of each horizontal pipe 3 connects to the exhaust vent of the corresponding food and beverage shop via an exhaust riser 4. The exhaust vent is typically located on a range hood. Both the shared fume chamber 2 and the horizontal pipes 3 are suspended within the passageway by support frames.
[0022] For any set of horizontal pipes 3, when the distance between the corresponding exhaust riser 4 and the fume collection chamber 1 is less than 40 meters, there is only one horizontal pipe 3 and it is not connected to the fume collection chamber 1, but it is allowed to pass through the fume collection chamber 1; when the distance between the corresponding exhaust riser 4 and the fume collection chamber 1 is more than 40 meters, there are two or more horizontal pipes 3, the length of the horizontal pipe 3 does not exceed 40 meters, and two adjacent horizontal pipes 3 are respectively connected to the front and rear sides of the same shared fume chamber 2.
[0023] The shared fume chamber 2 has an openable maintenance drain port 5 at its bottom, and an openable sludge collection port 9 (such as with a threaded end cap) on the bottom surface of the middle section of the horizontal pipe 3. A sludge collection tray 10 is located below both the maintenance drain port 5 and the sludge collection port 9. A plain concrete base 13 is placed on the bottom of the sludge collection tray 10. The horizontal pipes 3 on both sides of the sludge collection port 9 extend upwards at an angle of approximately 2° to the horizontal plane, allowing grease and grime inside the horizontal pipes 3 to accumulate in the sludge collection port 9, facilitating regular cleaning by workers.
[0024] The passageway is equipped with a shielding frame 11 at the top, which is made of lightweight steel decorative material and effectively integrates with the building's design, ensuring the aesthetic appeal of the rooftop pipelines. Decorative grille panels 12 are installed on both sides of the passageway, and the bottom of the passageway is the floor slab above the catering shops. Both the shielding frame 11 and the decorative grille panels 12 serve the functions of concealment and aesthetics.
[0025] The restaurant has a fume extraction well 6 located on the roof of the passageway near the street. A fume extraction riser 4 passes through the well 6. Ventilation louvers 7 are installed on the side wall of the well 6 away from the passageway, and an exhaust pipe 8 is connected to the louvers 7. One end of the exhaust pipe 8 passes through the well 6 and extends into the restaurant, connecting to the restaurant's ventilation fan. The fume extraction well 6 serves to conceal the fume extraction riser 4 and the exhaust pipe 8, for aesthetic purposes.
[0026] The number of shared fume chambers 2 is determined by the distance between the fume collection chamber 1 and the furthest restaurant. The maximum length of a single horizontal pipe is 40 meters. The number of shared fume chambers 2 is the integer result of dividing the distance by 40. See the example below:
[0027] a. The passage length is 40-80 meters. One shared fume chamber 2 is set up in the middle of the passage. For catering shops less than 40 meters away from the fume collection chamber 1, only one horizontal pipe 3 is used. The horizontal pipe 3 can be located completely outside the shared fume chamber 2 or partially pass through the shared fume chamber 2. For catering shops more than 40 meters away from the fume collection chamber 1, two horizontal pipes 3 are used. The two horizontal pipes 3 are connected to the front and rear sides of the shared fume chamber 2 respectively.
[0028] b. The channel length is 80-120 meters, with two shared fume chambers 2, dividing the channel into three equal parts. For restaurants less than 40 meters from the fume collection chamber 1, only one horizontal pipe 3 is used; for restaurants 40-80 meters from the fume collection chamber, two horizontal pipes 3 are used, and these two horizontal pipes 3 are connected in series with the shared fume chamber 2 closest to the fume collection chamber 1, allowing the fumes to pass through the shared fume chamber 2; for restaurants 80-120 meters from the fume collection chamber, three horizontal pipes 3 are used, and these three horizontal pipes 3 are connected in series with two shared fume chambers 2, allowing the fumes to pass through these two shared fume chambers 2.
[0029] The fumes emitted from the kitchen exhaust hoods of restaurants enter the fume collection chamber 1 through the exhaust riser 4 and horizontal pipe 3, and are discharged from the exhaust outlet of the fume collection chamber 1. For restaurants located more than 40 meters away from the fume collection chamber, the emitted fumes pass through the shared fume chamber 2. The shared fume chamber 2 has a large cross-sectional area, which reduces the airflow velocity and facilitates the deposition of fumes at the maintenance drain outlet 5. The property management is required to clean the maintenance drain outlet 5 regularly.
[0030] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and 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 this utility model.
Claims
1. A fume emission structure for ground-floor shops in residential buildings, characterized in that: It includes a passageway that passes through multiple catering shops on the ground floor of a residential building. The front end of the passageway is equipped with an oil fume collection chamber (1), and the oil fume collection chamber (1) is equipped with a smoke exhaust port. The passageway is equipped with at least one shared oil fume chamber (2). The passageway is equipped with multiple sets of horizontal pipes (3) corresponding to the number of catering shops. The front end of the horizontal pipe (3) is connected to the oil fume collection chamber (1), and the rear end of the horizontal pipe (3) is connected to the smoke exhaust port of the corresponding catering shop through a smoke exhaust riser (4). For any set of horizontal pipes (3), when the distance between the corresponding connected exhaust riser (4) and the fume collection chamber (1) is less than 40 meters, there is only one horizontal pipe (3) and it is not connected to the fume collection chamber (1); when the distance between the corresponding connected exhaust riser (4) and the fume collection chamber (1) exceeds 40 meters, there are two or more horizontal pipes (3), the length of the horizontal pipe (3) does not exceed 40 meters, and two adjacent horizontal pipes (3) are respectively connected to the front and rear sides of the same shared fume chamber (2).
2. The fume emission structure for ground-floor commercial buildings according to claim 1, characterized in that: The bottom of the shared fume chamber (2) is provided with an openable maintenance and drainage port (5).
3. The fume emission structure for ground-floor commercial buildings according to claim 1, characterized in that: The top of the passage is provided with a shield (11), and both sides of the passage are provided with decorative grille panels (12).
4. The fume emission structure for ground-floor commercial buildings according to claim 1, characterized in that: The restaurant has a fume well (6) on the top of the building located on one side of the passage. A smoke exhaust pipe (4) passes through the fume well (6). A ventilation louver (7) is provided on the side wall of the fume well (6) away from the passage. A ventilation pipe (8) is connected to the ventilation louver (7). One end of the ventilation pipe (8) passes through the fume well (6) and extends into the restaurant.
5. The fume emission structure for ground-floor commercial buildings according to claim 2, characterized in that: The bottom surface of the middle part of the horizontal pipe (3) is provided with an openable sewage collection port (9). The horizontal pipes (3) on both sides of the sewage collection port (9) extend upward at an angle of 1-3° with the horizontal plane.
6. The fume emission structure for ground-floor commercial buildings according to claim 5, characterized in that: A sludge collection tray (10) is provided below both the maintenance drain outlet (5) and the sludge collection outlet (9).