Combustion-supporting ventilation device for natural gas combustion
By designing a combustion-supporting ventilation device, using a filter screen to remove dust, a guide block to direct air, and a baffle to promote mixing, the problem of insufficient mixing of air and natural gas is solved, thus improving combustion efficiency and safety.
Patent Information
- Application Number
- CN202423145858.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-19
AI Technical Summary
In existing technologies, air is difficult to mix effectively with natural gas, and dust in the air can easily clog natural gas nozzles, affecting combustion efficiency and environmental safety.
A natural gas combustion-supporting ventilation device was designed, comprising a combustion-supporting ventilation structure including a connecting pipe, a fan, an extraction pipe, an exhaust pipe, a bracket, a protective net, an annular limiting plate, a filter screen, a guide block, and a baffle plate. The filter screen removes dust, the guide block directs air, and the baffle plate promotes the mixing of air and natural gas.
It improves air quality, reduces transmission resistance, enhances the combustion efficiency of natural gas, reduces the generation of harmful gases, and ensures the safety of users.
Smart Images

Figure CN223826236U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to natural gas combustion technical field, concretely is about natural gas combustion combustion air ventilating device. BACKGROUND
[0002] Natural gas needs a large amount of air as combustion-supporting agent in the combustion process, and the combustion-supporting air pipe exists to ensure that the burner can obtain sufficient air, so that the natural gas can burn fully, when the burner works, the air pipe will introduce fresh air to provide necessary oxygen for combustion, which can not only improve the combustion efficiency, but also reduce the harmful gases such as carbon monoxide generated by incomplete combustion, thereby protecting the environment and the safety of the user.
[0003] In the prior art, the combustion-supporting pipe is connected to one side of the gas inlet pipe, but after the air enters the inside of the gas inlet pipe, it is difficult to mix with the natural gas better, and the air entering the inside of the gas inlet pipe in the prior art contains dust, which is easy to block the position of the natural gas nozzle.
[0004] Therefore, we propose a natural gas combustion combustion-supporting ventilating device. CONTENT OF THE UTILITY MODEL
[0005] (I) technical problem solved
[0006] In view of the deficiencies of the prior art, the utility model provides a natural gas combustion combustion-supporting ventilating device, which has the functions of turbulence and filtration, so that the air can mix with the natural gas better, and the problems in the background art can be effectively solved.
[0007] (II) technical scheme
[0008] To achieve the above purpose, the utility model takes the technical scheme that a natural gas combustion combustion-supporting ventilating device, including gas inlet pipe, the one side of gas inlet pipe is installed with combustion-supporting ventilating structure, the combustion-supporting ventilating structure includes connecting pipe, fan, air suction pipe, exhaust pipe, support, protective net, ring limit board, filter screen cover, flow guide block, turbulence plate and one-way air inlet valve, the connecting pipe is fixedly installed on gas inlet pipe through flange plate, the fan is fixedly installed on the upper end outer surface of support.
[0009] Preferably, the air suction pipe is fixedly installed on one end of the outer surface of the fan, and the exhaust pipe is fixedly installed between the upper end outer surface of the fan and the outer surface of one side of the connecting pipe.
[0010] Preferably, the inner cavity of the exhaust pipe and the inner cavity of the connecting pipe are communicated, and the turbulence plate is fixedly installed on one end of the inner cavity of the connecting pipe.
[0011] Preferably, the one-way air inlet valve is fixedly installed on one end of the exhaust pipe close to the connecting pipe.
[0012] Preferably, the guide block is fixedly installed on one side of the exhaust pipe cavity near the connecting pipe end.
[0013] Preferably, the protective net is fixedly installed at the end of the exhaust pipe away from the fan, the annular limiting plate is fixedly installed at the end of the exhaust pipe close to the fan, and the filter screen is fixedly installed on the outer surface of the annular limiting plate away from the fan.
[0014] (III) Beneficial Effects
[0015] Compared with the prior art, this utility model provides a natural gas combustion-supporting ventilation device, which has the following beneficial effects:
[0016] 1. This is a natural gas combustion-supporting ventilation device, which has an exhaust pipe with a filter screen installed inside to filter out dust in the air and improve the quality of the air entering the connecting pipe.
[0017] 2. This is a natural gas combustion-supporting ventilation device, which uses a guide block to facilitate airflow and reduce resistance during natural gas transportation.
[0018] 3. This is a natural gas combustion-aiding ventilation device, which, through the installation of a baffle, allows air to mix better with natural gas, thereby improving the efficiency of natural gas combustion. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall structure of a natural gas combustion-supporting ventilation device according to the present invention.
[0020] Figure 2 This is a schematic diagram of the combustion-supporting ventilation structure in a natural gas combustion-supporting ventilation device according to the present invention.
[0021] Figure 3 This is a side cross-sectional view of the extraction pipe in a natural gas combustion-supporting ventilation device according to the present invention.
[0022] Figure 4 This is a top cross-sectional view of a connecting pipe in a natural gas combustion-supporting ventilation device according to the present invention.
[0023] In the diagram: 1. Gas inlet pipe; 2. Combustion-supporting ventilation structure; 3. Connecting pipe; 4. Fan; 5. Extraction pipe; 6. Exhaust pipe; 7. Bracket; 8. Protective net; 9. Annular limiting plate; 10. Filter screen; 11. Guide block; 12. Baffle plate; 13. One-way intake valve. Detailed Implementation
[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0025] This embodiment relates to a ventilation device for natural gas combustion.
[0026] like Figures 1-4 As shown, it includes a gas inlet pipe 1, and a combustion-supporting ventilation structure 2 is installed on one side of the gas inlet pipe 1. The combustion-supporting ventilation structure 2 includes a connecting pipe 3, a fan 4, an exhaust pipe 5, an exhaust pipe 6, a bracket 7, a protective net 8, an annular limiting plate 9, a filter screen 10, a guide block 11, a baffle plate 12, and a one-way air intake valve 13. The connecting pipe 3 is fixedly installed on the gas inlet pipe 1 by a flange, and the fan 4 is fixedly installed on the upper outer surface of the bracket 7.
[0027] The exhaust pipe 5 is fixedly installed on the outer surface of one end of the fan 4, and the exhaust pipe 6 is fixedly installed between the upper outer surface of the fan 4 and the outer surface of one side of the connecting pipe 3; the inner cavity of the exhaust pipe 6 is connected to the inner cavity of the connecting pipe 3, and the baffle 12 is fixedly installed on one end of the inner cavity of the connecting pipe 3; the one-way intake valve 13 is fixedly installed on the end of the exhaust pipe 6 near the connecting pipe 3; the guide block 11 is fixedly installed on the side of the inner cavity of the exhaust pipe 6 near the end of the connecting pipe 3; the protective net 8 is fixedly installed on the end of the inner cavity of the exhaust pipe 5 away from the fan 4, the annular limiting plate 9 is fixedly installed on the end of the inner cavity of the exhaust pipe 5 near the fan 4, and the filter screen 10 is fixedly installed on the outer surface of the annular limiting plate 9 away from the fan 4.
[0028] It should be noted that this utility model relates to a natural gas combustion-supporting ventilation device. The gas inlet pipe 1 described in this article belongs to the prior art and can be effectively known to those skilled in the art. The specific details will not be elaborated further. The connecting pipe 3 is installed on the gas inlet pipe 1. With the operation of the fan 4, fresh air from the outside is drawn in through the position of the exhaust pipe 5. The air is filtered by the filter screen 10 inside the exhaust pipe 5. The air after dust removal enters the interior of the connecting pipe 3 through the exhaust pipe 6. The air is guided by the guide block 11 to reduce the resistance to natural gas transportation. The baffle 12 allows the air to mix better with the natural gas, thereby improving the efficiency of natural gas combustion.
[0029] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., 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 a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A natural gas combustion-supporting ventilation device, comprising a gas inlet pipe (1), characterized in that: A combustion-supporting ventilation structure (2) is installed on one side of the gas inlet pipe (1). The combustion-supporting ventilation structure (2) includes a connecting pipe (3), a fan (4), an exhaust pipe (5), an exhaust pipe (6), a bracket (7), a protective net (8), an annular limiting plate (9), a filter screen (10), a guide block (11), a baffle plate (12), and a one-way air inlet valve (13). The connecting pipe (3) is fixedly installed on the gas inlet pipe (1) by a flange, and the fan (4) is fixedly installed on the upper outer surface of the bracket (7).
2. A natural gas combustion-supporting ventilation device according to claim 1, characterized in that: The extraction pipe (5) is fixedly installed on the outer surface of one end of the fan (4), and the exhaust pipe (6) is fixedly installed between the upper outer surface of the fan (4) and the outer surface of one side of the connecting pipe (3).
3. A natural gas combustion-supporting ventilation device according to claim 2, characterized in that: The inner cavity of the exhaust pipe (6) is connected to the inner cavity of the connecting pipe (3), and the spoiler (12) is fixedly installed at one end of the inner cavity of the connecting pipe (3).
4. A natural gas combustion-supporting ventilation device according to claim 3, characterized in that: The one-way intake valve (13) is fixedly installed on the end of the exhaust pipe (6) near the connecting pipe (3).
5. A natural gas combustion-supporting ventilation device according to claim 4, characterized in that: The guide block (11) is fixedly installed on one side of the inner cavity of the exhaust pipe (6) near the end of the connecting pipe (3).
6. A natural gas combustion-supporting ventilation device according to claim 5, characterized in that: The protective net (8) is fixedly installed at the end of the inner cavity of the air extraction pipe (5) away from the fan (4), the annular limiting plate (9) is fixedly installed at the end of the inner cavity of the air extraction pipe (5) close to the fan (4), and the filter screen (10) is fixedly installed on the outer surface of the annular limiting plate (9) away from the fan (4).