Multi-layer filtering electrostatic oil smoke purifier

Abstract

The utility model relates to the technical field of oil fume purifiers, in particular to a multi-layer filtering electrostatic oil fume purifier which comprises a box body internally provided with a cavity, an air inlet and an air outlet are formed in the two ends of the cavity, and a first filtering assembly, an electrostatic filtering assembly and a second filtering assembly are sequentially installed in the cavity in the smoke flowing direction. Opposite notches are formed in the upper side wall of the box body, the first filtering assembly and the second filtering assembly are installed in the cavity in a drawable mode through the corresponding notches, and the first filtering assembly and the second filtering assembly are detachably installed in the notches through installation pieces. By means of the structure, the first filtering assembly or the second filtering assembly can be independently disassembled and assembled in the box body through the corresponding notches, and the situation that the first filtering assembly or the second filtering assembly affects the installation stability of other components can be well avoided.

Description

Technical Field

[0001] This utility model relates to the field of oil fume purification technology, specifically to a multi-layer filter electrostatic oil fume purifier. Background Technology

[0002] Electrostatic precipitators are mainly used for purifying and treating kitchen fumes in hotels, restaurants, eateries, schools, government offices, factories, and other places. The purification principle is as follows: the fumes are drawn into the electrostatic precipitator by a fan. When the fumes enter the high-voltage electrostatic field, the oil mist particles in the fumes become charged under the action of the high-voltage electrostatic field, and then are adsorbed onto the dust collection plate under the action of the electric field, thereby achieving the effect of purifying the fumes.

[0003] For example, the electrostatic oil fume purifier disclosed in patent CN205599334U has only one door in its housing. The pre-filter, ion box, and post-filter are installed and removed from the housing by opening and closing this door. Since the pre-filter is covered with oil, it needs to be removed and installed frequently. However, this oil fume purifier cannot remove and install the pre-filter or post-filter separately. The frequent opening and closing of the door during installation and removal can easily cause other components that do not need to be removed to loosen, affecting the stability of the pre-filter, ion box, and post-filter installed in the housing. Therefore, it needs to be improved. Utility Model Content

[0004] The purpose of this invention is to provide a multi-layer filtration electrostatic fume purifier to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A multi-layer filtration electrostatic fume purifier includes a housing with an internal chamber. The two ends of the chamber form an air inlet and an air outlet. In the direction of flue gas flow, a first filter component, an electrostatic filter component, and a second filter component are installed sequentially in the chamber.

[0007] The upper side wall of the housing has corresponding slots. The first filter assembly and the second filter assembly can be pulled out and installed in the chamber through the corresponding slots. Both the first filter assembly and the second filter assembly are detachably installed in the slots through the mounting parts.

[0008] Furthermore, a stepped groove is provided on the upper side wall of the housing corresponding to the slot;

[0009] Both the first and second filter components include overlapping plates that can be overlapped in corresponding stepped grooves. The overlapping plates are provided with frame plates that are inserted into the chamber through the grooves, and filter screens are provided opposite each other inside the frame plates.

[0010] Furthermore, the mounting component is disposed on the lap plate to fix the lap plate in the step groove.

[0011] Furthermore, handles are provided on the overlapping plate at both ends.

[0012] Furthermore, positioning holes are provided on the opposite sidewalls of the stepped groove;

[0013] The overlapping plate has a cavity at its end. The mounting component includes a positioning block that is slidably disposed in the corresponding cavity. The positioning block has a positioning rod with one end extending out of the cavity. The positioning rod can be inserted into the corresponding positioning hole. A first spring is sleeved on the positioning rod located in the cavity. The first spring is used to push the positioning rod back into the cavity. The handle is provided with a driving component, which is used to drive the positioning rod to extend out of the cavity.

[0014] Furthermore, the handle has mounting cavities that communicate with the cavity on both sides of its inner wall. The positioning block has a groove corresponding to the mounting cavity, and the inner side wall of the groove has a first inclined surface. The driving component includes a sliding block that is installed in the mounting cavity by a second spring. The lower end of the sliding block has a second inclined surface that cooperates with the first inclined surface. The second spring is used to drive the sliding block to move into the groove so that the second inclined surface squeezes the first inclined surface and pushes the positioning rod out. The handle has grooves that communicate with the corresponding mounting cavities on its opposite sides. The sliding blocks are connected by a lever that passes through the groove.

[0015] Furthermore, filters are installed inside the chamber and at the air inlet and outlet.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. This utility model allows the first or second filter component to be individually installed and removed from the housing through corresponding slots, which can better avoid affecting the stability of the installation of other components.

[0018] 2. This utility model allows the overlapping plate to overlap in the corresponding stepped groove, and the overlapping plate can be disassembled and assembled in the stepped groove through the mounting parts. Thus, the first filter component or the second filter component can be disassembled and assembled in the box, which is convenient for actual operation and use. Attached Figure Description

[0019] Figure 1 This is one of the structural schematic diagrams of a multi-layer filter electrostatic fume purifier according to this utility model.

[0020] Figure 2 This is the second structural schematic diagram of a multi-layer filter electrostatic fume purifier according to this utility model.

[0021] Figure 3 This is a schematic diagram of the structure between the overlapping plate and the frame plate in this utility model.

[0022] Figure 4 for Figure 3 An enlarged schematic diagram of part A in the middle.

[0023] Figure 5 This is an exploded structural diagram of the mounting component and the handle in this utility model.

[0024] Figure 6 This is a schematic diagram of the handle structure in this utility model.

[0025] The meanings of the labels in the diagram are as follows:

[0026] 100. Housing; 101. Air inlet; 102. Filter screen; 103. Support legs; 110. First filter assembly; 120. Electrostatic filter assembly; 130. Second filter assembly;

[0027] 201. Step groove; 202. Positioning hole; 210. Overlap plate; 220. Frame plate; 221. Filter screen; 230. Handle;

[0028] 401. Cavity; 410. Positioning block; 411. Positioning rod; 412. First spring; 420. Cover plate;

[0029] 501, Groove; 510, Sliding block; 511, Second inclined surface; 520, Second spring; 530, Lever; 541, Mounting slot;

[0030] 611. Mounting cavity; 612. Slide groove. Detailed Implementation

[0031] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments are merely illustrative of this utility model and are not intended to limit it.

[0032] The following is in conjunction with the appendix Figures 1-6 This embodiment will be described in further detail.

[0033] Please see Figures 1-6 This embodiment of an electrostatic fume purifier with multi-layer filtration includes a housing 100 with an internal chamber. An air inlet 101 and an air outlet are formed at both ends of the chamber. In the direction of flue gas flow, a first filter assembly 110, an electrostatic filter assembly 120, and a second filter assembly 130 are installed in sequence in the chamber.

[0034] The upper side wall of the housing 100 has corresponding slots. The first filter assembly 110 and the second filter assembly 130 are removably installed in the chamber through the corresponding slots. Both the first filter assembly 110 and the second filter assembly 130 are detachably installed in the slots through mounting parts.

[0035] In practical use, the fume purifier is installed on the existing flue and connected to the existing exhaust fan at the air outlet. This allows the fumes to enter the chamber through the air inlet 101 and exit through the air outlet, thus creating a flowing stream of fumes within the chamber. The arrangement of the first filter assembly 110, the electrostatic filter assembly 120, and the second filter assembly 130 ensures that the fumes flow within the chamber. Both the fumes and the electrostatic filter assembly 120 provide filtration before and after purification, thereby improving the fume purifier's effectiveness in purifying fumes.

[0036] The chamber is equipped with a filter screen 102 located at the air inlet 101 and the air outlet. The filter screen 102 is made of aluminum alloy and has good corrosion resistance. At the same time, it can perform coarse filtration of the flue gas entering or leaving the chamber.

[0037] Specifically, the electrostatic filter assembly 120 uses an electrostatic filter, which uses a high-voltage electrostatic field to charge the oil mist particles in the oil fume, and then adsorbs them onto the dust collection plate under the action of the electric field, thereby achieving the effect of purifying the oil fume. This is an existing structure, so it will not be described in detail.

[0038] In order to enable the electrostatic filter assembly 120 to be installed and removed within the chamber, in this embodiment, the outer wall of the housing 100 is provided with an opening corresponding to the electrostatic filter assembly 120. A side plate is provided at the opening. One side of the side plate is hinged to the housing 100, and the other side is detachably connected to the housing 100 by bolts. When installing or removing the electrostatic filter assembly 120, the electrostatic filter assembly 120 can be slid in or out from the opening by opening and closing the side plate.

[0039] The bottom wall of the chamber is provided with an oil trough (not shown in the figure) to collect the oil that drips into the chamber from the electrostatic filter assembly 120. In order to facilitate the discharge of the oil collected in the oil trough, an oil drain hole is provided on the bottom wall of the oil trough. An oil plug is installed in the oil drain hole to seal the oil drain hole. The oil in the oil trough can be discharged by removing the oil plug. The operation is simple and convenient.

[0040] In order to facilitate oil drainage through the drain hole, the bottom of the housing 100 and at the four corners are provided with support feet 103. The support feet 103 are used to support the housing 100 so that the housing 100 can be raised and the operator can easily drain the oil.

[0041] In this embodiment, by setting the slot and the mounting part, when the first filter assembly 110 and the second filter assembly 130 need to be disassembled and repaired, the fixing of the first filter assembly 110 and the second filter assembly 130 inserted into the cavity can be released by the mounting part. At this time, the first filter assembly 110 or the second filter assembly 130 can be taken out of the cavity by lifting it up. The operation is simple and convenient and is beneficial to practical use.

[0042] In this embodiment, the slots allow the first filter assembly 110 or the second filter assembly 130 to be individually installed and removed from the housing 100, thus better avoiding any impact on the stability of the installation of other components.

[0043] Combination Figure 2-3 As shown, in this embodiment, the upper side wall of the box 100 is provided with a stepped groove 201 corresponding to the slot;

[0044] The first filter assembly 110 and the second filter assembly 130 both include an overlapping plate 210 that can be overlapped in the corresponding stepped groove 201. The overlapping plate 210 is provided with a frame plate 220 that is inserted into the cavity through the through groove. A filter screen 221 is provided opposite to the frame plate 220.

[0045] In actual use, the frame plate 220 is adapted to the slot so that the frame plate 220 can be inserted into the cavity through the slot. When the frame plate 220 is inserted into place, the side wall of the frame plate 220 can fit against the side wall of the cavity. At this time, the overlapping plate 210 can overlap into the stepped groove 201. The overlapping plate 210 in the stepped groove 201 is fixed so that the first filter assembly 110 or the second filter assembly 130 is installed more stably in the cavity.

[0046] Specifically, a HEPA filter element is provided between the two filter screens 221 in the first filter assembly 110, which can effectively filter particulate matter in the flue gas. An activated carbon filter element is provided between the two filter screens 221 in the second filter assembly 130, which can adsorb odors in the flue gas. Thus, the fume purifier can perform multi-layer filtration of the flue gas, making its purification effect on the flue gas better.

[0047] In this embodiment, the mounting component is provided on the overlapping plate 210 to fix the overlapping plate 210 in the step groove 201, thereby better realizing the assembly and disassembly of the overlapping plate 210 in the step groove 201.

[0048] In actual use, in order to facilitate the operator to drive the frame plate 220 to slide into or out of the chamber, in this embodiment, handles 230 are provided on the overlapping plate 210 at both ends.

[0049] In this embodiment, positioning holes 202 are provided on the opposite sidewalls of the stepped groove 201;

[0050] The overlapping plate 210 has a cavity 401 at its end. The mounting component includes a positioning block 410 that is slidably disposed in the corresponding cavity 401. The positioning block 410 has a positioning rod 411 with one end extending out of the cavity 401. The positioning rod 411 can be inserted into the corresponding positioning hole 202. A first spring 412 is sleeved on the positioning rod 411 located in the cavity 401. The first spring 412 is used to push the positioning rod 411 back into the cavity 401. The handle 230 has a driving component that is used to drive the positioning rod 411 to extend out of the cavity 401.

[0051] In this embodiment, combined with Figure 4 As shown, one end of the cavity 401 is open, and its opening faces the corresponding end of the overlapping plate 210. Specifically, in order to realize the installation of the mounting part in the cavity 401, a cover plate 420 is installed at the opening of the cavity 401 by screws.

[0052] Through the above-described structure, in actual use, the positioning block 410 is moved within the cavity 401 by the driving component, allowing the positioning rod 411 to extend through the cover plate 420. At this time, when the overlapping plate 210 overlaps within the stepped groove 201, the positioning rod 411 extends into the positioning hole 202, thus fixing the overlapping plate 210 within the stepped groove 201. When the driving component moves the positioning block 410 within the cavity 401, the positioning rod 411 retracts, releasing the fixation of the overlapping plate 210, making it easier for the frame plate 220 to slide into or out of the cavity from the groove.

[0053] Combination Figure 5-6 As shown, in this embodiment, the handle 230 has mounting cavities 611 that communicate with the cavity 401 on both sides of its side walls. The positioning block 410 has a groove 501 corresponding to the mounting cavity 611, and the inner side wall of the groove 501 has a first inclined surface. The driving component includes a sliding block 510 that is disposed in the mounting cavity 611 by a second spring 520. The lower end of the sliding block 510 has a second inclined surface 511 that cooperates with the first inclined surface. The second spring 520 is used to drive the sliding block 510 to move into the groove 501, so that the second inclined surface 511 squeezes the first inclined surface and pushes the positioning rod 411 to extend. The handle 230 has a sliding groove 612 that communicates with the corresponding mounting cavity 611 on its opposite side surfaces. The sliding blocks 510 are connected by a lever 530 that passes through the sliding groove 612.

[0054] In this embodiment, mounting grooves 541 are provided on the two side walls of the handle 230 that are far apart from each other. The mounting grooves 541 are fixed to the overlapping plate 210 by screws so as to realize the assembly and disassembly of the handle 230 on the overlapping plate 210.

[0055] In this embodiment, the second spring 520 has a greater elastic force than the first spring 412 during actual use. Therefore, in the initial state, the second spring 520 pushes the sliding block 510 downwards, causing its lower end to extend into the groove 501. At this time, the second inclined surface 511 presses against the first inclined surface, driving the positioning block 410 to move towards the cover plate 420, causing the positioning rod 411 to extend and insert into the positioning hole 202, thus fixing the overlapping plate 210 within the stepped groove 201. When the operator holds the handle 230 and uses their fingers to move the lever 530 upwards, the sliding block 510 is moved upwards, causing the first spring 412 to drive the positioning block 410 into the cavity 401, thereby causing the positioning rod 411 to retract, releasing the fixing of the overlapping plate 210 and allowing it to be placed and removed within the stepped groove 201.

[0056] In this embodiment of the fume purifier, when the first filter assembly 110 or the second filter assembly 130 needs to be disassembled for maintenance, the operator holds the handles 230 at both ends with both hands and moves the lever 530 upward with their fingers to retract the positioning rod 411. At this time, lifting the handles 230 will remove the first filter assembly 110 or the second filter assembly 130. When the first filter assembly 110 or the second filter assembly 130 needs to be installed, the operator holds the handles 230 at both ends with both hands and moves the lever 530 upward with their fingers to retract the positioning rod 411. At this time, the frame plate 220 is inserted into the cavity through the slot using the handles 230, and the overlapping plate 210 is overlapped in the stepped groove 201. Then, the lever 530 is released, and the positioning rod 411 automatically extends into the corresponding positioning hole 202 under the action of the second spring 520, thus realizing the installation of the first filter assembly 110 or the second filter assembly 130 in the housing 100.

[0057] In summary, the above description is only a preferred embodiment of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall fall within the scope of the patent of the present utility model.

Claims

1. A multi-layer filtration electrostatic oil fume purifier, comprising a housing (100) with an internal chamber, wherein an air inlet (101) and an air outlet are formed at both ends of the chamber, characterized in that: In the direction of flue gas flow, a first filter assembly (110), an electrostatic filter assembly (120), and a second filter assembly (130) are installed sequentially in the chamber. The upper side wall of the housing (100) has corresponding slots. The first filter assembly (110) and the second filter assembly (130) are removably installed in the chamber through the corresponding slots. The first filter assembly (110) and the second filter assembly (130) are both detachably installed in the slots through the mounting parts.

2. The electrostatic oil fume purifier with multi-layer filtration according to claim 1, characterized in that: The upper side wall of the box (100) is provided with a stepped groove (201) corresponding to the slot. Both the first filter assembly (110) and the second filter assembly (130) include an overlap plate (210) that can be overlapped in the corresponding step groove (201). The overlap plate (210) is provided with a frame plate (220) that is inserted into the cavity through the through slot. The frame plate (220) is provided with a filter screen (221) opposite to it.

3. The multi-layer filtration electrostatic oil fume purifier according to claim 2, characterized in that: The mounting component is provided on the lap plate (210) and is used to fix the lap plate (210) in the step groove (201).

4. The multi-layer filtration electrostatic oil fume purifier according to claim 2, characterized in that: Handles (230) are provided on the overlapping plate (210) and at both ends.

5. The electrostatic oil fume purifier with multi-layer filtration according to claim 4, characterized in that: Positioning holes (202) are provided on opposite sidewalls of the stepped groove (201); A cavity (401) is provided inside the overlapping plate (210) and at the end. The mounting component includes a positioning block (410) that is slidably disposed in the corresponding cavity (401). A positioning rod (411) with one end extending out of the cavity (401) is provided on the positioning block (410). The positioning rod (411) can be inserted into the corresponding positioning hole (202). A first spring (412) is sleeved on the positioning rod (411) located in the cavity (401). The first spring (412) is used to push the positioning rod (411) to retract into the cavity (401). A driving component is provided on the handle (230). The driving component is used to drive the positioning rod (411) to extend out of the cavity (401).

6. The electrostatic oil fume purifier with multi-layer filtration according to claim 5, characterized in that: The handle (230) has mounting cavities (611) that connect to the cavity (401) on both sides of its inner wall. The positioning block (410) has a groove (501) corresponding to the mounting cavity (611). The inner side wall of the groove (501) has a first inclined surface. The driving component includes a sliding block (510) that is installed in the mounting cavity (611) via a second spring (520). The lower end of the sliding block (510) has a second inclined surface (511) that cooperates with the first inclined surface. The second spring (520) is used to drive the sliding block (510) to move into the groove (501) so that the second inclined surface (511) squeezes the first inclined surface and pushes the positioning rod (411) to extend. The handle (230) has a sliding groove (612) that connects to the corresponding mounting cavity (611) on its opposite sides. The sliding blocks (510) are connected to each other by a lever (530) that passes through the sliding groove (612).

7. The electrostatic oil fume purifier with multi-layer filtration according to claim 1, characterized in that: A filter (102) is provided inside the chamber and at the air inlet (101) and air outlet.

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