Oil smoke purification treatment system
By employing multi-stage filtration and condensation technology, combined with an exhaust fan, the problem of high-temperature, high-heat flue gas being only able to be discharged outdoors has been solved, achieving efficient purification and indoor emission of the flue gas.
Patent Information
- Application Number
- CN202511676578.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-17
- Publication Date
- 2026-02-06
AI Technical Summary
In existing technologies, high-temperature and high-heat flue gas can only be emitted outdoors, causing purification problems and making it impossible to directly emit it indoors.
Employing multi-stage filtration and condensation technology, including a first filter, condenser tube, second filter, activated carbon mesh, and PM2.5 air filter plate, combined with first and second exhaust fans, it achieves multi-stage purification and temperature reduction of flue gas, and finally discharges the purified flue gas directly into the room.
It achieves efficient purification of flue gas, reduces flue gas temperature and particulate matter content, reduces noise pollution, and allows purified flue gas to be directly discharged indoors.
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Figure CN121474601A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the technical field of oil fume purification, and particularly relates to an oil fume purification treatment system. BACKGROUND
[0002] Oil fume purification refers to an engineering technology for purifying cooking oil fume, mainly treating propylene aldehyde (having strong pungent taste, which can cause respiratory diseases such as rhinitis and pharyngolaryngitis) generated at an oil temperature exceeding 200 DEG C and carcinogenic condensate (which can induce respiratory and digestive system cancer) formed above 300 DEG C.
[0003] At present, a kind of energy-saving and environment-friendly kitchen oil fume purification equipment is disclosed in Chinese patent CN223294888U, published on September 2, 2025, which comprises a shell, a static adsorption assembly and a UV lamp group are installed inside the shell, a fixed frame is fixedly installed at the air inlet near the static adsorption assembly of the shell, a filter screen is installed inside the fixed frame, a horizontally arranged mounting plate is installed at the top of the fixed frame away from the static adsorption assembly, L-shaped mounting blocks are installed at both ends of the mounting plate, rotating rods are rotatably installed on the opposite sides of the two mounting blocks, a cleaning brush is fixedly installed between the two rotating rods, the cleaning brush can contact the filter screen, a drive gear is fixedly installed on one of the rotating rods, a toothed plate is fixedly installed on the outer wall of the fixed frame and engaged with the drive gear, a spray plate is fixedly installed on the lower surface of the mounting plate, a nozzle is installed on the side of the spray plate facing the filter screen, a vertically arranged lead screw is rotatably installed on the upper surface of the mounting plate through a bearing, and the top of the lead screw penetrates the shell.
[0004] The energy-saving and environment-friendly kitchen oil fume purification equipment filters the flue gas by using the filter screen; however, the flue gas itself has high temperature and heat, and has odor, so the flue gas can only be discharged to the outdoor, at this time the flue gas discharge must be punched through the wall surface, which finally causes great trouble to the flue gas purification. SUMMARY
[0005] The purpose of the present application is to provide an oil fume purification treatment system which can directly discharge the purified flue gas to the indoor.
[0006] The technical problem of the present application is solved by the following technical scheme: an oil fume purification treatment system comprises a casing, a first flue gas treatment chamber is separated in the casing, an air inlet is formed in the upper side of the first flue gas treatment chamber, a first filter screen is arranged in the first flue gas treatment chamber and below the air inlet, a plurality of condensing pipes for flue gas passing through are arranged in the first flue gas treatment chamber and below the first filter screen, a first suction fan is arranged in the first flue gas treatment chamber and below the condensing pipes, a second flue gas treatment chamber is separated in the casing and on one side of the first flue gas treatment chamber, a second filter screen is arranged in the second flue gas treatment chamber and at the air outlet of the first suction fan, and an activated carbon screen is arranged on the side of the second filter screen away from the first suction fan.
[0007] By using the above technical scheme, the first suction fan provides suction force, and external oil fume is sucked into the air inlet, and then the oil fume needs to pass through the first filter screen first, the first filter screen can filter most of the oil in the oil fume, and the oil fume passing through the first filter screen can pass through the condensing pipes, the condensing pipes can exchange heat with the flue gas, thereby reducing the temperature of the flue gas, and the flue gas passing through the condensing pipes and discharged from the air outlet of the first suction fan can pass through the second filter screen, the second filter screen can filter the residual oil in the flue gas again, the activated carbon screen can adsorb the odor in the flue gas, and finally the oil, temperature and odor in the oil fume can be treated, so that the flue gas can be directly discharged into the room after being purified.
[0008] The present application further provides that a third flue gas treatment chamber is separated in the casing and on the side of the first flue gas treatment chamber away from the second flue gas treatment chamber, the condensing pipes communicate the second flue gas treatment chamber and the third flue gas treatment chamber, an air outlet is formed in the lower side of the third flue gas treatment chamber, and a second suction fan is arranged in the lower side of the third flue gas treatment chamber.
[0009] By using the above technical scheme, the condensing pipes communicate the second flue gas treatment chamber and the third flue gas treatment chamber, so that the flue gas passing through the activated carbon screen enters the third flue gas treatment chamber after passing through the condensing pipes, thereby realizing the reflux of the flue gas in a small space, which is conducive to reducing the size of the oil fume purification treatment system, and the second suction fan provides suction force, thereby helping the flue gas to quickly enter the third flue gas treatment chamber and then be discharged from the air outlet.
[0010] The present application further provides that a PM2.5 air filter plate is arranged in the third flue gas treatment chamber and at the air outlet of the second suction fan.
[0011] By adopting the above technical scheme, when the flue gas is discharged from the air outlet of the second suction fan, the flue gas still needs to pass through the PM2.5 air filter plate, and the PM2.5 air filter plate can be used to filter the particulate matter in the flue gas, so that the harm of the flue gas to the human body can be further reduced, and the flue gas can be directly discharged to the indoor after being purified.
[0012] Further provided in the application is that the first suction fan and the second suction fan are synchronously started and stopped.
[0013] By adopting the above technical scheme, the first suction fan and the second suction fan are synchronously started and stopped, so that the rapid backflow of the flue gas in the casing is facilitated, and the noise pollution when the two fans are started is reduced.
[0014] Further provided in the application is that sliding rails are arranged on the inner wall of the casing and located at the positions of the first filter screen, the second filter screen, the activated carbon screen and the PM2.5 air filter plate.
[0015] By adopting the above technical scheme, the first filter screen, the second filter screen, the activated carbon screen and the PM2.5 air filter plate can be conveniently installed in the casing by using the sliding rails.
[0016] Further provided in the application is that dismounting openings are formed in the side wall of the casing and located at the positions of the first filter screen, the second filter screen, the activated carbon screen and the PM2.5 air filter plate, and cover plates are fixed to the positions of the dismounting openings by bolts.
[0017] By adopting the above technical scheme, when the first filter screen, the second filter screen, the activated carbon screen and the PM2.5 air filter plate need to be replaced or cleaned, the cover plates are dismounted, and then the first filter screen, the second filter screen, the activated carbon screen and the PM2.5 air filter plate can be conveniently dismounted through the dismounting openings.
[0018] Further provided in the application is that recessed grooves are formed in the inner wall of the cover plate.
[0019] By adopting the above technical scheme, the recessed grooves in the inner wall of the cover plate can be used for embedding the side edges of the first filter screen, the second filter screen, the activated carbon screen and the PM2.5 air filter plate, so that the side edges of the first filter screen, the second filter screen, the activated carbon screen and the PM2.5 air filter plate protrude from the side wall of the casing, and the first filter screen, the second filter screen, the activated carbon screen and the PM2.5 air filter plate can be conveniently dismounted by hand.
[0020] Further provided in the application is that a first drain hole is formed in the bottom of the first flue gas treatment chamber, a second drain hole is formed in the bottom of the second flue gas treatment chamber and located at the lower side of the second filter screen, and a liquid receiving box is detachably connected to the lower side of the first drain hole and the second drain hole.
[0021] By adopting the technical scheme, when oil drops on the mesh surface of the first filter screen and the second filter screen, the oil can be drained through the first drain hole and the second drain hole into the liquid receiving box under the casing, thereby realizing collection of the oil.
[0022] The further arrangement of the present application is that the liquid receiving box is provided with clamping plates at both ends, and the lower surface of the casing is provided with fixing plates corresponding to the positions of the clamping plates, and the fixing plates are provided with clamping grooves at the sides for clamping the clamping plates.
[0023] By adopting the technical scheme, the liquid receiving box is clamped into the clamping grooves of the fixing plates by the clamping plates at the ends, thereby realizing quick detachable connection of the liquid receiving box under the casing.
[0024] The beneficial effects of the present application are as follows: firstly, the first suction fan and the second suction fan are started synchronously to provide suction force, and the external oil fume can be sucked into the air inlet, then the oil fume needs to pass through the first filter screen first, and most of the oil in the oil fume can be filtered by the first filter screen, and the oil fume passing through the first filter screen can pass through the plurality of condensing pipes, and the condensing pipes can exchange heat with the flue gas to reduce the temperature of the flue gas; at the same time, the flue gas passing through the condensing pipes and discharged from the air outlet of the first suction fan can pass through the second filter screen, and the residual oil in the flue gas can be filtered again by the second filter screen, and the odor in the flue gas can be adsorbed by the activated carbon screen again.
[0025] The condensing pipes connect the second flue gas treatment chamber and the third flue gas treatment chamber, so that the flue gas passing through the activated carbon screen enters the third flue gas treatment chamber after passing through the condensing pipes, thereby realizing reflux of the flue gas in a small space; at the same time, when the flue gas is discharged from the air outlet of the second suction fan, the flue gas needs to pass through the PM2.5 air filter plate, and the particulate matter in the flue gas can be filtered by the PM2.5 air filter plate, and finally the oil, temperature, odor and particulate matter in the oil fume can be treated, so that the flue gas can be directly discharged into the room after being purified. BRIEF DESCRIPTION OF DRAWINGS
[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0027] Figure 1 is a structural schematic diagram of the present application;
[0028] Figure 2 is a structural sectional view of the present application;
[0029] Figure 3 is a partial enlarged view of the inside of the casing in the application, wherein the first suction fan, the second filter screen and the activated carbon screen are omitted;
[0030] Figure 4 is a partial structure explosion diagram of the application;
[0031] Figure 5 is an explosion diagram of the connection relationship between the liquid receiving box and the fixing plate in the application.
[0032] In the figure, 1, casing; 11, first flue gas treatment chamber; 111, air inlet; 112, first filter screen; 113, condenser pipe; 114, first suction fan; 115, first exhaust hole; 12, second flue gas treatment chamber; 121, second filter screen; 122, activated carbon screen; 123, second exhaust hole; 13, third flue gas treatment chamber; 131, air outlet; 132, second suction fan; 133, PM2.5 air filter plate; 101, sliding rail; 102, dismounting port; 2, cover plate; 21, recessed groove part; 3, liquid receiving box; 31, clamping plate; 4, fixing plate; 41, clamping groove. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the application, not all the embodiments. Based on the embodiments of the application, all other embodiments obtained by a person of ordinary skill in the art without creative labor fall within the protection scope of the application.
[0034] An oil fume purification treatment system, referring to Figure 1 、 Figure 2 The oil fume purification treatment system is mainly suitable for oil fume machines, iron plate burners and other devices that produce oil fume. The oil fume purification treatment system comprises a casing 1. The casing 1 is divided into a first flue gas treatment chamber 11 by a partition. An air inlet 111 is formed in the upper side of the first flue gas treatment chamber 11. A first filter screen 112 is arranged in the first flue gas treatment chamber 11 and below the air inlet 111. A plurality of condenser pipes 113 for flue gas passing through are fixed in the first flue gas treatment chamber 11 and below the first filter screen 112. A first suction fan 114 is bolted in the first flue gas treatment chamber 11 and below the condenser pipes 113.
[0035] Referring to Figure 1 、 Figure 2The second flue gas treatment chamber 12 is separated from the first flue gas treatment chamber 11 by a partition in the shell 1, and the second filter screen 121 is arranged at the air outlet of the first suction fan 114 in the second flue gas treatment chamber 12, wherein the second filter screen 121 is provided with an activated carbon screen 122 away from the first suction fan 114; meanwhile, the third flue gas treatment chamber 13 is separated from the first flue gas treatment chamber 11 by a partition in the shell 1 away from the second flue gas treatment chamber 12, and the condenser pipe 113 communicates the second flue gas treatment chamber 12 and the third flue gas treatment chamber 13, wherein the lower side of the third flue gas treatment chamber 13 is provided with an air outlet 131, and the lower side of the third flue gas treatment chamber 13 is provided with a second suction fan 132 by bolts, and the PM2.5 air filter plate 133 is arranged at the air outlet of the second suction fan 132 in the third flue gas treatment chamber 13; and the first suction fan 114 and the second suction fan 132 are started and stopped synchronously.
[0036] Referring to Figure 2 , Figure 3 , Figure 4 The inner wall of the shell 1 is provided with a sliding rail 101 at the positions of the first filter screen 112, the second filter screen 121, the activated carbon screen 122 and the PM2.5 air filter plate 133 by bolts, and the sliding rail 101 can be used for the side edges of the first filter screen 112, the second filter screen 121, the activated carbon screen 122 and the PM2.5 air filter plate 133 to slide in; wherein the side wall of the shell 1 is provided with a dismounting opening 102 at the positions of the first filter screen 112, the second filter screen 121, the activated carbon screen 122 and the PM2.5 air filter plate 133, and the dismounting opening 102 is provided with a cover plate 2 by bolts, and the inner wall of the cover plate 2 is provided with a recess part 21.
[0037] Referring to Figure 2 , Figure 3 , Figure 5 The bottom of the first flue gas treatment chamber 11 is provided with a first drain hole 115, and the bottom of the second flue gas treatment chamber 12 is provided with a second drain hole 123 at the lower side of the second filter screen 121, wherein the lower side of the shell 1 is detachably connected with a liquid receiving box 3 located below the first drain hole 115 and the second drain hole 123, and the both ends of the liquid receiving box 3 are integrally provided with clamping plates 31, and the lower surface of the shell 1 is provided with a fixed plate 4 corresponding to the positions of the clamping plates 31 by bolts, wherein the side edge of the fixed plate 4 is provided with a clamping groove 41 for clamping the clamping plates 31.
[0038] Principle: first, the first suction fan 114 and the second suction fan 132 are started synchronously to provide suction, and the oil fume in the outside can be sucked into the air inlet 111, then the oil fume needs to pass through the first filter screen 112 first, and most of the oil in the oil fume can be filtered by the first filter screen 112, and the oil fume passing through the first filter screen 112 can pass through the condenser pipe 113, and the condenser pipe 113 can exchange heat with the flue gas, so as to reduce the temperature of the flue gas; at the same time, the flue gas passing through the condenser pipe 113 and discharged from the air outlet of the first suction fan 114 can pass through the second filter screen 121, and the second filter screen 121 can be used to filter the residual oil in the flue gas again, and the activated carbon screen 122 can be used to adsorb the odor in the flue gas again;
[0039] The condenser pipe 113 is used to communicate the second flue gas treatment chamber 12 and the third flue gas treatment chamber 13, so that the flue gas passing through the activated carbon screen 122 enters the third flue gas treatment chamber 13 after passing through the condenser pipe 113, so as to realize the reflux of the flue gas in the narrow space; at the same time, when the flue gas is discharged from the air outlet of the second suction fan 132, the flue gas needs to pass through the PM2.5 air filter plate 133, and the PM2.5 air filter plate 133 can be used to filter the particulate matter in the flue gas, so as to finally complete the treatment of the oil, temperature, odor and particulate matter in the oil fume, so as to purify the flue gas and directly discharge it to the indoor.
Claims
1. An oil fume purification treatment system characterized by comprising: The utility model provides a kind of smoke treatment device, including shell (1), the first flue gas treatment chamber (11) is separated in the shell (1), the upper side of the first flue gas treatment chamber (11) is equipped with air inlet (111), the first filter screen (112) is arranged in the first flue gas treatment chamber (11) and is located below air inlet (111), the first flue gas treatment chamber (11) and is located below the first filter screen (112) is equipped with multiple condensing pipes (113) for flue gas, the first flue gas treatment chamber (11) and is located below the condensing pipe (113) is equipped with the first suction fan (114), the shell (1) and is located at one side of first flue gas treatment chamber (11) is separated into second flue gas treatment chamber (12), the second filter screen (121) is arranged in the second flue gas treatment chamber (12) and is located at the air outlet of first suction fan (114), the second filter screen (121) is equipped with activated carbon screen (122) away from one side of first suction fan (114).
2. The oil fume purification system according to claim 1, characterized in that: The shell (1) and are located at one side of first flue gas treatment chamber (11) away from second flue gas treatment chamber (12) are separated into third flue gas treatment chamber (13), the condensing pipe (113) is communicated second flue gas treatment chamber (12) and third flue gas treatment chamber (13), the lower side of the third flue gas treatment chamber (13) is equipped with air outlet (131), and the lower side of the third flue gas treatment chamber (13) is equipped with the second suction fan (132).
3. The oil fume purification system according to claim 2, characterized in that: The PM2.5 air filter plate (133) is arranged in the third flue gas treatment chamber (13) and is located at the air outlet of second suction fan (132).
4. The oil fume purification system according to claim 2, characterized in that: The first suction fan (114) and the second suction fan (132) are synchronously started and stopped.
5. The oil fume purification system according to claim 3, characterized in that: The inner wall of the shell (1) is provided with a sliding rail (101) at the positions of the first filter screen (112), the second filter screen (121), the activated carbon screen (122) and the PM2.5 air filter plate (133).
6. The oil fume purification system according to claim 3, characterized in that: The side wall of the shell (1) is provided with a dismounting opening (102) at the positions of the first filter screen (112), the second filter screen (121), the activated carbon screen (122) and the PM2.5 air filter plate (133), and a cover plate (2) is fixed by bolts at the position of the dismounting opening (102).
7. The oil fume purification system according to claim 6, characterized in that: The inner wall of the cover plate (2) is provided with a recess portion (21).
8. The oil fume purification system according to claim 1, characterized in that: The bottom of the first flue gas treatment chamber (11) is provided with a first drain hole (115), the bottom of the second flue gas treatment chamber (12) is provided with a second drain hole (123) at the position below the second filter screen (121), and the lower side of the shell (1) is detachably connected with a liquid receiving box (3) below the first drain hole (115) and the second drain hole (123).
9. The oil fume purification system according to claim 8, characterized in that: Both ends of the liquid receiving box (3) are provided with clamping plates (31), the lower surface of the shell (1) is provided with a fixed plate (4) corresponding to the position of the clamping plate (31), and the side edge of the fixed plate (4) is provided with a clamping groove (41) for clamping the clamping plate (31).
Citation Information
Patent Citations
Energy-saving and environment-friendly kitchen oil fume purification equipment
CN223294888U