Tail gas filtering device based on direct-discharge type fuel oil warmer
By designing a filter device on the direct-discharge fuel heater and using polypropylene and activated carbon filters and positioning mechanisms, the problem of direct exhaust gas emission is solved, effective exhaust gas filtration and convenient maintenance are achieved, and the environmental protection and safety of the equipment are improved.
Patent Information
- Application Number
- CN202422920605.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-28
AI Technical Summary
The exhaust gas generated by direct-discharge fuel heaters during the combustion process contains harmful substances, and direct emissions pose potential risks to the environment and human health. Existing equipment lacks an effective filtering structure.
An exhaust gas filtration device was designed, which includes a filter box, a filter screen and a positioning mechanism. It uses polypropylene and activated carbon for filtration. The slider and positioning rod are used to achieve convenient replacement of the filter screen and tight fixation of the sealing cover, ensuring effective filtration and leakage prevention of exhaust gas.
It achieves effective filtration of exhaust gas from fuel heaters, reduces emissions of harmful substances, improves the safety and environmental friendliness of the equipment, and facilitates replacement and maintenance of the filter.
Smart Images

Figure CN223439422U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a tail gas filtering device based on direct exhaust type fuel warmer belongs to filter device technical field. BACKGROUND
[0002] The direct exhaust type fuel warmer is a portable heating device using fuel oil as fuel, which generates heat by burning fuel oil and directly discharges the exhaust gas generated by combustion to the outdoor through the exhaust pipe, so it is called "direct exhaust type". This kind of warmer usually has the characteristics of light, flexible, small size, light weight, powerful, easy to operate, safe and reliable, etc. They are suitable for various occasions, such as industrial sites, construction sites, warehouses, greenhouse sheds, temporary residences, etc., especially for areas without central heating or places that need temporary heating.
[0003] Chinese open patent (open number: CN 212005900 U) discloses a fuel warmer, which comprises a base, a fixing part fixedly arranged on the base, a mounting seat detachably connected with the fixing part, and a cylindrical shell mounted on the mounting seat. The mounting seat of the utility model can be detached, so that the mounting seat can be replaced individually.
[0004] However, the direct exhaust type fuel warmer will produce exhaust gas during the combustion of fuel oil, and the existing direct exhaust type warmer lacks filtering structure, and the waste is directly discharged to the outdoor. These exhaust gases contain various harmful substances, such as carbon monoxide, carbon dioxide, sulfide, nitrogen oxides, etc. These substances have potential risks to the environment and human health, for example, carbon monoxide is a colorless and odorless toxic gas, which can cause headache, nausea and even death; nitrogen oxides and sulfides can react with water vapor in the atmosphere to form acid rain, causing damage to the ecosystem and buildings.
[0005] Therefore, a tail gas filtering device based on direct exhaust type fuel warmer is proposed. CONTENT OF THE UTILITY MODEL
[0006] Therefore, the utility model provides a tail gas filtering device based on direct exhaust type fuel warmer to solve or alleviate the technical problems existing in the prior art, at least to provide a beneficial choice.
[0007] The utility model discloses a technical scheme is such implementation: based on the tail gas filter device of straight -line type fuel heating device, including the heating device body, the front side of heating device body is provided with the air outlet, the top of heating device body is equipped with filter mechanism, filter mechanism includes the connecting pipe, filter box and output pipe, the bottom of connecting pipe is connected with the top of heating device body, the right side of connecting pipe is communicated with the left side of filter box, the bottom of filter box is fixedly connected to the top of heating device body, the left side of output pipe is communicated with the right side of filter box.
[0008] Further preferably, the inside of the filter box is fixedly connected with a sliding block, and the inside of the sliding block is movably connected with a filter screen.
[0009] Further preferably, the material of the filter screen is polypropylene and activated carbon respectively.
[0010] Further preferably, the top of the filter box is movably connected with a sealing cover, the bottom of the sealing cover is fixedly connected with a limiting rod, and the top of the limiting rod penetrates into the inside of the filter box.
[0011] Further preferably, the top of the filter box is provided with a movable slot, the bottom of the limiting rod is movably connected in the inside of the movable slot, and cavities are formed in the left and right sides of the filter box, and the inside of each cavity is provided with a positioning mechanism.
[0012] Further preferably, the positioning mechanism comprises a moving rod, a positioning rod and a tension spring, the outside of the moving rod extends to the outside of the filter box through the cavity, the inside of the moving rod penetrates into the inside of the cavity, the front side of the positioning rod is fixedly connected to the rear side of the moving rod, the front side of the tension spring is fixedly connected to the rear side of the positioning rod, the rear side of the tension spring is fixedly connected to the inner wall of the cavity, the top of the positioning rod penetrates into the inside of the sealing cover, and the top of the positioning rod penetrates into the inside of the sealing cover.
[0013] Further preferably, the surface of the sealing cover is provided with a fixed slot, and the top of the positioning rod is movably connected in the inside of the fixed slot.
[0014] Further preferably, the inside of the cavity is provided with a limiting slot, the inside of the positioning rod is fixedly connected with a limiting rod, and the inside of the limiting rod is movably connected in the inside of the limiting slot.
[0015] The utility model discloses an embodiment has the following advantages due to adopting the above technical scheme:
[0016] Firstly, the filter mechanism is arranged, when the heating device body is used, the waste gas generated is introduced into the inside of the filter box through the connecting pipe, the waste gas is filtered through polypropylene and activated carbon, and is discharged through the output pipe, and the sliding block is arranged, so that the filter screen can be conveniently installed or replaced by the staff.
[0017] Secondly, the utility model discloses through the positioning mechanism, when fixing the sealing cover, pull the moving rod, and the moving rod drives the positioning rod to move, makes the bottom of sealing cover and the top of filter box contact, increases the leakproofness, prevents the waste gas from leaking, guarantees good filtering effect, through setting the limit groove, makes the positioning rod move according to the moving track provided by limit groove, guarantees the normal use of structure.
[0018] The above summary is intended to illustrate only and is not intended to limit the application in any way. Further aspects, embodiments and features of the application will be apparent from a consideration of the drawings and following detailed description. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0020] Figure 1 It is a schematic diagram of the three-dimensional front view structure of the utility model;
[0021] Figure 2 It is a schematic diagram of the filter box structure of the utility model;
[0022] Figure 3 It is a schematic diagram of the sealing cover structure of the utility model;
[0023] Figure 4 It is a schematic diagram of the heating device body structure of the utility model;
[0024] Figure 5 It is a schematic diagram of the Figure 4 It is a schematic diagram of the local enlarged structure at A.
[0025] Reference signs: 1, heating device body; 2, air outlet; 3, filter mechanism; 301, connecting pipe; 302, filter box; 303, output pipe; 4, sliding block; 5, filter screen; 6, sealing cover; 7, limiting rod; 8, movable groove; 9, cavity; 10, positioning mechanism; 1001, moving rod; 1002, positioning rod; 1003, tension spring; 11, fixed groove; 12, limit groove; 13, limit rod. DETAILED DESCRIPTION
[0026] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and description are considered to be exemplary in nature rather than limiting.
[0027] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
[0028] Embodiment 1
[0029] As Figures 1-3 shown, the embodiment of the present application provides a tail gas filtering device based on a straight-line type fuel heater, which comprises a heater body 1, an air outlet 2 is arranged on the front side of the heater body 1, a filtering mechanism 3 is arranged on the top of the heater body 1, the filtering mechanism 3 comprises a connecting pipe 301, a filtering box 302 and an output pipe 303, the bottom of the connecting pipe 301 is communicated with the top of the heater body 1, the right side of the connecting pipe 301 is communicated with the left side of the filtering box 302, the bottom of the filtering box 302 is fixedly connected to the top of the heater body 1, the left side of the output pipe 303 is communicated with the right side of the filtering box 302, a sliding block 4 is fixedly connected in the filtering box 302, a filter screen 5 is movably connected in the sliding block 4, the material of the filter screen 5 is polypropylene and activated carbon respectively, a sealing cover 6 is movably connected to the top of the filtering box 302, a limiting rod 7 is fixedly connected to the bottom of the sealing cover 6, and the top of the limiting rod 7 penetrates into the inside of the filtering box 302.
[0030] Through the filtering mechanism 3, when the heater body 1 is used, the waste gas generated enters the inside of the filtering box 302 through the connecting pipe 301, the waste gas is filtered by polypropylene and activated carbon, and is discharged through the output pipe 303. By arranging the sliding block 4, the staff can be conveniently operated when the filter screen 5 is installed or replaced.
[0031] Embodiment 2
[0032] As Figure 1 , Figure 4 , Figure 5As shown, in one embodiment, the top of the filter box 302 is provided with a movable slot 8, the bottom of the limiting rod 7 is movably connected to the inside of the movable slot 8, the left and right sides of the filter box 302 are provided with cavities 9, the inside of the cavity 9 is provided with a positioning mechanism 10, the positioning mechanism 10 comprises a moving rod 1001, a positioning rod 1002 and a tension spring 1003, the outside of the moving rod 1001 extends to the outside of the filter box 302 through the cavity 9, the inside of the moving rod 1001 penetrates to the inside of the cavity 9, the front side of the positioning rod 1002 is fixedly connected to the rear side of the moving rod 1001, the front side of the tension spring 1003 is fixedly connected to the rear side of the positioning rod 1002, the rear side of the tension spring 1003 is fixedly connected to the inner wall of the cavity 9, the top of the positioning rod 1002 penetrates to the inside of the sealing cover 6, the surface of the sealing cover 6 is provided with a fixed slot 11, the top of the positioning rod 1002 is movably connected to the inside of the fixed slot 11, the inside of the cavity 9 is provided with a limiting slot 12, the inside of the positioning rod 1002 is fixedly connected with a limiting rod 13, and the inside of the limiting rod 13 is movably connected to the inside of the limiting slot 12.
[0033] Through the positioning mechanism 10, when the sealing cover 6 is fixed, the moving rod 1001 is pulled, the moving rod 1001 drives the positioning rod 1002 to move, so that the bottom of the sealing cover 6 is in contact with the top of the filter box 302, the sealing property is increased, waste gas leakage is prevented, and good filtering effect is ensured.
[0034] The utility model discloses a heating device, which comprises a heating device body 1, a sealing cover 6, a filter box 302, a filter screen 5, an output pipe 303 and a connecting pipe 301.
[0035] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the present application, which should be encompassed in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. An exhaust gas filtration device based on a direct-discharge fuel heater, comprising a heater body (1), characterized in that: An air outlet (2) is provided on the front side of the heater body (1), and a filter mechanism (3) is provided on the top of the heater body (1). The filter mechanism (3) comprises a connecting pipe (301), a filter box (302) and an output pipe (303). The bottom of the connecting pipe (301) is connected to the top of the heater body (1), the right side of the connecting pipe (301) is connected to the left side of the filter box (302), the bottom of the filter box (302) is fixedly connected to the top of the heater body (1), and the left side of the output pipe (303) is connected to the right side of the filter box (302).
2. The exhaust gas filtration device based on a direct-discharge fuel heater according to claim 1 is characterized in that: The interior of the filter box (302) is fixedly connected to a slider (4), and the interior of the slider (4) is movably connected to a filter screen (5).
3. The exhaust gas filtration device based on a direct-discharge fuel heater according to claim 2 is characterized in that: The materials of the filter screen (5) are polypropylene and activated carbon respectively.
4. The exhaust gas filtration device based on a direct-discharge fuel heater according to claim 2 is characterized in that: The top of the filter box (302) is movably connected to a sealing cover (6), the bottom of the sealing cover (6) is fixedly connected to a limiting rod (7), and the top of the limiting rod (7) penetrates into the interior of the filter box (302).
5. The exhaust gas filtering device based on a direct-discharge fuel heater according to claim 4 is characterized in that: A movable groove (8) is provided on the top of the filter box (302), and the bottom of the limiting rod (7) is movably connected to the inside of the movable groove (8). A cavity (9) is provided on both the left and right sides of the filter box (302), and a positioning mechanism (10) is provided inside the cavity (9).
6. The exhaust gas filtration device based on a direct-discharge fuel heater according to claim 5 is characterized in that: The positioning mechanism (10) comprises a moving rod (1001), a positioning rod (1002) and a tension spring (1003); the outer side of the moving rod (1001) passes through the cavity (9) and extends to the outside of the filter box (302); the inner side of the moving rod (1001) passes through the inside of the cavity (9); the front side of the positioning rod (1002) is fixedly connected to the rear side of the moving rod (1001); the front side of the tension spring (1003) is fixedly connected to the rear side of the positioning rod (1002); and the rear side of the tension spring (1003) is fixedly connected to the inner wall of the cavity (9).
7. The exhaust gas filtering device based on a direct-discharge fuel heater according to claim 6 is characterized in that: A fixing groove (11) is provided on the surface of the sealing cover (6), and the top of the positioning rod (1002) is movably connected to the inside of the fixing groove (11).
8. The exhaust gas filtration device based on a direct-discharge fuel heater according to claim 6 is characterized in that: A limiting groove (12) is provided inside the cavity (9), the inner side of the positioning rod (1002) is fixedly connected to the limiting rod (13), and the inner side of the limiting rod (13) is movably connected to the inner side of the limiting groove (12).
Citation Information
Patent Citations
Fuel oil warmer
CN212005900U