Oil smoke purification device

The fume purification device, which uses multi-stage filtration and wind speed detection, solves the problems of backflow of flue gas when blocked and lack of emergency smoke exhaust in existing devices, achieving efficient purification and emergency smoke exhaust, and ensuring environmental safety and economical operation.

CN223807231UActive Publication Date: 2026-01-16山东凤科商用厨具有限公司
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Patent Information

Application Number
CN202422760981.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2026-01-16
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

Existing fume purification devices cannot effectively exhaust fumes when blocked, which can easily lead to backflow of fumes and cross-contamination of odors. Furthermore, the lack of emergency exhaust mechanisms may result in economic losses.

Method used

An oil fume purification device was designed, comprising a primary filter, an electrostatic oil fume adsorber, an emergency filter, and an exhaust fan. Through multi-stage filtration and wind speed sensor detection, it ensures that the flue gas meets emission standards after multi-stage filtration, and activates the emergency filter or emergency exhaust pipe to discharge the flue gas when the wind speed is below the threshold.

Benefits of technology

It achieves efficient purification of oil fumes, avoids backflow of fumes and cross-contamination of odors, ensures environmental safety, and provides emergency smoke exhaust in case of failure, reducing economic losses.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223807231U_ABST
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Abstract

The utility model discloses an oil smoke purification device, which relates to the technical field of oil smoke purification and comprises a flue cover, a smoke inlet pipe is arranged above the flue cover, a primary filter is arranged on the right side of the smoke inlet pipe, the internal space of the primary filter is trumpet-shaped, and a shell is arranged on the right side of the primary filter. An electrostatic oil smoke adsorber matched with the primary filter is arranged in the shell, a hole is formed in the bottom of the front end face of the shell, an oil collecting drawer is arranged in the hole in a sliding mode, and a secondary filter is arranged on the right side of the shell. According to the utility model, oil fume in the flue is guided into the primary filter through the flue cover for primary oil fume treatment, primary filtration is carried out by utilizing the plurality of first filter screens, and oil condensed on the first filter screens falls into the oil collecting drawer through the horn-shaped inner wall of the primary filter.
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Description

TECHNICAL FIELD

[0001] The utility model relates to oil fume purification technical field, concretely is an oil fume purification device. BACKGROUND

[0002] Oil fume purification refers to the process of removing oil fume, oil mist, odor and harmful substances in the air through physical, chemical or biological methods. Oil fume mainly comes from kitchen frying, stir-frying and other cooking activities, containing organic matter, fine particles and some toxic and harmful gases, which has certain harm to air quality and human health. Therefore, oil fume purification has become an important environmental protection measure in modern catering industry, industry and household kitchen. Oil fume purification technology is widely used in catering industry, food processing, industrial production and other places. Catering industry attaches great importance to oil fume purification equipment to ensure that the oil fume discharged from the kitchen meets the environmental protection standards and avoids air pollution and health risks.

[0003] The utility model with the authorization announcement number CN215062284U discloses an oil fume purification device, which processes oil fume through an electrostatic oil fume purification box, and collects and recovers the condensed oil through the cooperation of the oil collection tray and the oil guide pipe, thereby achieving purification treatment of oil fume.

[0004] The above device can purify and treat oil fume, but it only has one set of oil fume treatment structure of electrostatic oil fume purification box. When the mechanism is blocked, flue gas cannot be discharged externally and is easy to flow back to the flue, thereby causing the adverse condition of odor mixing. In addition, the device lacks an emergency smoke exhaust mechanism. When all mechanisms cannot operate normally, a direct external smoke exhaust mechanism is needed to avoid greater economic loss. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an oil fume purification device to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An oil fume purification device includes a flue hood, an inlet pipe is arranged above the flue hood, a primary filter is arranged on the right side of the inlet pipe, the internal space of the primary filter is in the shape of a horn, a shell is arranged on the right side of the primary filter, an electrostatic oil fume adsorber cooperating with the primary filter is arranged in the shell, a hole is formed in the bottom of the front end face of the shell, an oil collection drawer is slidably arranged in the hole, a secondary filter is arranged on the right side of the shell, a total smoke exhaust pipe is arranged on the right side of the secondary filter, a ventilator is arranged in the total smoke exhaust pipe, a smoke sensor is arranged on the total smoke exhaust pipe, and a rainproof smoke guide hood is arranged above the total smoke exhaust pipe.

[0008] As a further scheme of the utility model: the first filter screen is uniformly arranged in the primary filter.

[0009] As a further scheme of the utility model: the handle is fixedly arranged on the front end face of the oil collecting drawer.

[0010] As a further scheme of the utility model: the wind speed sensor is arranged on the total smoke exhaust pipe right to the smoke sensor, the emergency filter is arranged below the shell, the third filter screen is uniformly arranged in the emergency filter, the second branch pipe is used to communicate the smoke inlet pipe with the emergency filter, the second electromagnetic valve is arranged on the second branch pipe, the third branch pipe is used to communicate the total smoke exhaust pipe with the emergency filter, and the one-way valve is arranged on the third branch pipe.

[0011] As a further scheme of the utility model: the first branch pipe is arranged at the bending position of the smoke inlet pipe, the first electromagnetic valve is arranged on the first branch pipe, the emergency smoke exhaust pipe is arranged left to the first branch pipe, and the rainproof smoke guide cover is arranged above the emergency smoke exhaust pipe.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1. The oil fume in the flue is guided to the primary filter through the flue cover and is subjected to primary oil fume treatment, the first filter screen is used for primary filtration, the oil condensed on the first filter screen falls to the oil collecting drawer through the horn-shaped inner wall of the primary filter, the electrostatic oil fume adsorber is used for treating the oil fume after primary filtration, the main oil fume is condensed and falls to the oil collecting drawer, and the lifting device improves the oil fume treatment efficiency.

[0014] 2. The flue gas after oil fume treatment is subjected to secondary filtration treatment through the secondary filter, the treated oil fume is detected by the smoke sensor, the oil fume is ensured to be purified and treated, and pollution to the external environment is avoided.

[0015] 3. The wind speed of the flue gas after filtration is detected by the wind speed sensor, the second electromagnetic valve is opened to make the emergency filter filter the flue gas when the wind speed of the flue gas is lower than a certain threshold value, and the one-way valve prevents the flue gas after treatment from entering the third branch pipe. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Fig. 2 It is a front view structure schematic view of the utility model.

[0018] Fig. 3 It is a cross section structure schematic view of the utility model.

[0019] Reference signs annotation: 1, flue hood; 2, smoke inlet pipe; 3, first branch pipe; 4, first electromagnetic valve; 5, emergency smoke exhaust pipe; 6, rainproof smoke guide hood; 7, primary filter; 71, first filter screen; 8, shell; 9, electrostatic oil fume adsorber; 10, oil collection drawer; 11, handle; 12, secondary filter; 121, second filter screen; 13, total smoke exhaust pipe; 14, smoke sensor; 15, wind speed sensor; 16, second branch pipe; 17, second electromagnetic valve; 18, emergency filter; 181, third filter screen; 19, third branch pipe; 20, one-way valve. DETAILED DESCRIPTION

[0020] The following embodiments will be described in detail with reference to the accompanying drawings, in which similar or identical parts are denoted by the same reference numerals, and in practical applications, the shape, thickness or height of each component can be enlarged or reduced. The embodiments listed in the present application are only used to illustrate the present application, and are not used to limit the scope of the present application. Any obvious modification or change made to the present application does not deviate from the spirit and scope of the present application.

[0021] EMBODIMENT

[0022] Please refer to Figs. 1-3 In the embodiment of the present application, an oil fume purification device comprises a flue hood 1, a smoke inlet pipe 2 is arranged above the flue hood 1, a primary filter 7 is arranged on the right side of the smoke inlet pipe 2, a plurality of first filter screens 71 are uniformly arranged in the primary filter 7, the internal space of the primary filter 7 is in a horn shape, a shell 8 is arranged on the right side of the primary filter 7, an electrostatic oil fume adsorber 9 matched with the primary filter 7 is arranged in the shell 8, a hole is formed in the bottom of the front end face of the shell 8, an oil collection drawer 10 is slidably arranged in the hole, a handle 11 is fixedly arranged on the front end face of the oil collection drawer 10. The oil fume in the flue is guided to the primary filter 7 through the flue hood 1 for primary oil fume treatment, the primary filter 7 is used for primary filtration, the oil condensed on the first filter screen 71 falls into the oil collection drawer 10 through the horn-shaped inner wall of the primary filter 7, and the electrostatic oil fume adsorber 9 is used for treating the oil fume after primary filtration, so that the main oil fume is condensed and falls into the oil collection drawer 10, and the oil fume treatment efficiency is improved.

[0023] The shell 8 right side is provided with two-stage filter 12, the second filter 12 is provided with a plurality of second filter screen 121, the two-stage filter 12 right side is provided with total exhaust pipe 13, the total exhaust pipe 13 is provided with exhaust fan, the total exhaust pipe 13 is provided with smoke sensor 14, the total exhaust pipe 13 top is provided with rainproof smoke hood 6, the oil fume treated by two-stage filter 12 is filtered again, the smoke sensor 14 detects the oil fume, ensures that the oil fume is purified, avoids the pollution to the external environment.

[0024] The smoke sensor 14 right side is located on the total exhaust pipe 13 and is provided with wind speed sensor 15, the shell 8 lower side is provided with emergency filter 18, the emergency filter 18 is uniformly provided with a plurality of third filter screen 181, the second branch pipe 16 is communicated with the emergency filter 18, the second branch pipe 16 is provided with second electromagnetic valve 17, the third branch pipe 19 is communicated with the emergency filter 18, the third branch pipe 19 is provided with one-way valve 20, the wind speed sensor 15 detects the wind speed of the filtered flue gas, when the flue gas wind speed is lower than a certain threshold, the second electromagnetic valve 17 is opened, the emergency filter 18 filters the flue gas, and the one-way valve 20 prevents the treated flue gas from entering the third branch pipe 19.

[0025] The first branch pipe 3 is provided on the bending part of the smoke inlet pipe 2, the first branch pipe 3 is provided with first electromagnetic valve 4, the emergency smoke exhaust pipe 5 is provided on the left side of the first branch pipe 3, and the rainproof smoke hood 6 is provided above the emergency smoke exhaust pipe 5.

[0026] When the device is used, the oil fume in the residential building is collected and guided to the smoke hood 1 from the flue, then the primary filter 7 filters the oil fume for the first time, the condensed oil falls into the oil collection drawer 10, then the electrostatic oil fume adsorber 9 adsorbs and removes oil from the oil fume, and then the oil fume is collected into the oil collection drawer 10, the two-stage filter 12 filters the oil fume after oil removal again, so that the oil fume reaches the emission standard, the smoke sensor 14 monitors the treated oil fume, and the wind speed sensor 15 monitors the wind speed in the total exhaust pipe 13, when the smoke sensor 14 detects the oil fume or the detection value of the wind speed sensor 15 is lower than the set value (the primary filter 7 or the two-stage filter 12 is blocked, causing the wind speed to decrease), the second electromagnetic valve 17 is opened, the smoke in the smoke hood 1 is shunted, the emergency filter 18 performs emergency treatment on the oil fume, and the detection condition is reported to the monitoring control room, so as to notify the maintenance personnel to perform maintenance, when the emergency filter 18 fails for a long time without maintenance, in order to prevent the oil fume from flowing back from the flue, the first electromagnetic valve 4 is opened, so that the oil fume is directly discharged to the outside through the emergency smoke exhaust pipe 5, and the second time reports to the monitoring control room, prompting the device to be repaired.

[0027] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0028] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment according to the present specification needs to exhibit each and every characteristic specified in the present specification. The specification can also be described in terms of a single independent technical solution, but this does not mean that each embodiment only contains one independent technical solution. The specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. An oil fume purifying device comprising a flue hood (1), characterized in that, The flue cover (1) is provided with an inlet flue (2) above it, the inlet flue (2) is provided with a primary filter (7) on the right side, the internal space of the primary filter (7) is trumpet-shaped, the primary filter (7) is provided with a shell (8) on the right side, the shell (8) is provided with an electrostatic oil fume adsorber (9) matched with the primary filter (7) inside, a hole is opened in the bottom of the front end face of the shell (8), an oil collecting drawer (10) is slidably arranged in the hole, a secondary filter (12) is arranged on the right side of the shell (8), a total exhaust flue (13) is arranged on the right side of the secondary filter (12), an exhaust fan is arranged in the total exhaust flue (13), a smoke sensor (14) is arranged on the total exhaust flue (13), and a rainproof smoke guide cover (6) is arranged above the total exhaust flue (13).

2. The oil fume purification device according to claim 1, characterized in that, A plurality of first filter screens (71) are uniformly arranged in the primary filter (7), and a plurality of second filter screens (121) are arranged in the secondary filter (12).

3. The oil fume purification device according to claim 2, characterized in that, A handle (11) is fixedly arranged on the front end face of the oil collecting drawer (10).

4. The oil fume purification device according to claim 1, characterized in that, A wind speed sensor (15) is arranged on the right side of the smoke sensor (14) on the total exhaust flue (13), an emergency filter (18) is arranged below the shell (8), a plurality of third filter screens (181) are uniformly arranged in the emergency filter (18), the inlet flue (2) is communicated with the emergency filter (18) through a second branch pipe (16), a second electromagnetic valve (17) is arranged on the second branch pipe (16), the total exhaust flue (13) is communicated with the emergency filter (18) through a third branch pipe (19), and a one-way valve (20) is arranged on the third branch pipe (19).

5. The oil fume purification device according to claim 4, characterized in that, A first branch pipe (3) is arranged at the bending portion of the inlet flue (2), a first electromagnetic valve (4) is arranged on the first branch pipe (3), an emergency exhaust flue (5) is arranged on the left side of the first branch pipe (3), and a rainproof smoke guide cover (6) is arranged above the emergency exhaust flue (5).