CN216693678U

CN216693678U - Honeycomb formula multilayer oil smoke filter equipment and multistage clarification plant of oil smoke

Info

Publication number: CN216693678U
Application number: CN202123438941.8U
Authority: CN
Inventors: 宋吉青; 耿安然
Original assignee: Zhongling Environmental Protection Co ltd
Current assignee: Zhongling Environmental Protection Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-07
Anticipated expiration: 2031-12-30

Abstract

The utility model provides a honeycomb type multilayer oil fume filtering device and oil fume multistage purification equipment, wherein the oil fume filtering device comprises a filtering layer formed by vertically overlapping more than two layers of honeycomb mesh paper; wherein, the dislocation of the honeycomb grids exists between the adjacent two layers of honeycomb grid paper. The oil fume multi-stage purification equipment comprises a fume collecting port, a reducing suction hood, a flue guide channel and an exhaust fan which are connected in sequence; a multi-stage filter screen assembly is arranged inside the reducing suction hood; the multi-stage filter screen assembly comprises more than two groups of filter screens; the arrangement direction of each group of filter screens is vertical to the flow direction of the flue gas; more than two groups of filter screens are arranged in parallel at intervals; each group of filter screens comprises the honeycomb type multilayer oil fume filter device. The oil fume filtering device and the oil fume multi-stage purification equipment have the advantages of space saving, high interception efficiency and good oil fume purification treatment effect.

Description

Honeycomb formula multilayer oil smoke filter equipment and multistage clarification plant of oil smoke

Technical Field

The utility model relates to an oil fume filtering device, in particular to a honeycomb type multilayer oil fume filtering device and oil fume multistage purification equipment comprising the honeycomb type multilayer oil fume filtering device.

Background

The oil smoke purifies traditional technique mainly includes: mechanical separation, filtration, physical adsorption, honeycomb deposition, wet washing and the like. The honeycomb deposition technology mainly utilizes a solid honeycomb structure to physically cool, so that quickly condensed oil smoke and water vapor can be cooled and condensed in a honeycomb cavity to form large-particle oil droplets and liquefied oil collection purification is completed. "an integrated kitchen" CN203215801U utility model patent adopts the bonding solid type honeycomb paper that has structural strength, has developed the embedded oil smoke separation honeycomb paper of integrated kitchen inlet scoop. Bonding solid type honeycomb paper, its pore structure is rule relatively, and the honeycomb holes have the direct penetrating characteristic of passing, have restricted to a certain extent to the purification performance that intercepts of oil smoke, adopt the crisscross stack of honeycomb paper multilayer to improve and intercept the purification performance, also receive the restriction that bonding formula honeycomb paper layer is relatively thick, and crisscross stromatolite is more and is occupied the space big more. The direct penetrating and penetrating characteristic of the pore diameter of the bonding and fixing type oil fume separation honeycomb paper is applied to the oil fume pumping and purification of commercial kitchen with large air volume, the oil fume permeability is high, and the oil fume purification efficiency is reduced.

Disclosure of Invention

The present invention overcomes the above problems of the prior art and it is desirable to provide a flat honeycomb paper entrapment purification filter.

The technical scheme of the utility model is as follows:

firstly, a honeycomb type multilayer oil fume filtering device is provided, which comprises a filtering layer formed by overlapping more than two layers of honeycomb mesh paper up and down; wherein, the dislocation of the honeycomb grids exists between the adjacent two layers of honeycomb grid paper.

In the oil fume filtering device, the honeycomb grid paper is two-dimensional plane paper densely distributed with regular through holes, a large number of regular through holes are densely distributed on the paper, and the formed grid is similar to a honeycomb shape. The shape of the regular through holes is not particularly limited, and may be a rectangle (including a diamond shape, a square shape), a triangle, a circle, an oval, a polygon, or the like. The regular through holes on each honeycomb grid paper are uniform in shape, but the regular through holes on different paper can be the same or different in shape. The aperture of the regular through hole is usually not more than 40 mm; preferably 8-15 mm. The width of the paper strips between the honeycombs is 2-20 mm; preferably 4-10 mm.

The honeycomb grid paper in the oil fume filtering device can be directly obtained by mechanically or manually perforating, and can also be planar paper which is formed by commercially available honeycomb packing paper or honeycomb drawing paper under the action of external force traction and is uniformly distributed with rhombic holes or honeycomb holes.

In the preferred oil fume filtering device of the utility model, the filtering layer is formed by overlapping more than five layers of honeycomb mesh paper up and down; more preferably, the honeycomb mesh paper is formed by overlapping ten layers or more of the honeycomb mesh paper.

In a more preferred embodiment of the present invention, the oil smoke filtering device further comprises a rigid net frame for supporting and fixing the filtering layer.

In a more preferable scheme, the rigid net rack is composed of a mesh with the aperture not smaller than 10cm and a rigid frame fixedly connected with the periphery of the mesh. The filter layer comprising a plurality of layers of honeycomb mesh paper may be laid on the mesh surface and attached all around to the rigid frame by suitable fasteners. The rigid frame can be further fixedly connected with the inner wall of a suction hood or the inner wall of a flue of the conventional oil fume suction equipment through a fixed connecting piece to form a filtering device vertical to the direction of smoke.

In a preferred embodiment of the present invention, the honeycomb mesh paper is a two-dimensional plane paper with diamond or oval through holes densely distributed therein, and the laying directions of two adjacent layers of the honeycomb mesh paper are perpendicular to each other.

In a preferable scheme of the utility model, a flame retardant material layer is further arranged on the surface of the filter layer. The flame retardant material layer can be an organic flame retardant material layer, an inorganic flame retardant material layer or a composite layer of the organic flame retardant material layer and the inorganic flame retardant material layer. The inorganic flame-retardant material can be selected from any one of more than two of aluminum hydroxide, magnesium hydroxide, monoammonium phosphate, diammonium phosphate, ammonium chloride or boric acid. The organic flame-retardant material can be selected from any one or a mixture of more of halogen series, phosphate ester and halogenated phosphate ester, such as hexabromine water dispersion, decabromine-antimony trioxide; and water insoluble organophosphate emulsions.

On the basis, the utility model also provides oil fume multi-stage purification equipment which at least comprises a fume collecting port, a reducing suction hood, a flue guide channel and an exhaust fan which are sequentially connected; a multi-stage filter screen assembly is arranged in the reducing suction hood; the multi-stage filter screen assembly comprises more than two groups of filter screens; the arrangement direction of each group of filter screens is vertical to the flow direction of the flue gas; more than two groups of filter screens are arranged in parallel at intervals; each group of filter screens comprises the honeycomb type multilayer oil fume filter device.

In the preferable scheme of the utility model, each group of filter screens is detachably arranged in the variable-diameter suction hood of the oil fume multi-stage purification equipment.

In a more preferred embodiment of the present invention, the detachable arrangement is implemented by a pluggable structure.

Compared with the oil smoke separation honeycomb paper in the prior art, the honeycomb type multilayer oil smoke filtering device is formed by vertically laminating a plurality of pieces of flat honeycomb grid paper without laminating and bonding solid three-dimensional honeycomb paper, and the adjacent flat honeycomb grid paper has dislocation of grids, so that a porous structure with irregular and complex pore diameters can be formed in the honeycomb type multilayer oil smoke filtering device, and the porous structure can realize interception and purification of oil smoke. The honeycomb type multilayer oil fume filtering device not only saves space, but also has high interception efficiency of the porous structure and good oil fume purification treatment effect. According to the oil fume multi-stage purification equipment, as a plurality of groups of honeycomb type multi-layer oil fume filtering devices are adopted as the filter screens, the oil fume purification effect can be obviously improved.

Description of the drawings:

FIG. 1 is a schematic view of the structure of a flat honeycomb mesh paper according to example 1.

Fig. 2 is a schematic diagram of the structure and effect of the multi-layer honeycomb mesh paper of example 1 after being staggered and laminated.

Figure 3 is a schematic structural view of the honeycomb wrapper described in example 1.

Fig. 4 is a schematic view of the rigid grid structure described in example 1.

Fig. 5 is a side structure perspective view of the lampblack multistage purification device in embodiment 2.

Fig. 6 shows the pluggable structure between the multi-stage filter screen assembly and the inside of the variable-diameter suction hood in embodiment 2.

The specific implementation mode is as follows:

in order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and it will be appreciated by those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the present invention and that the present invention is not limited by the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially in general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Example 1

A honeycomb type multi-layer oil fume filtering device comprises a filtering layer 20 formed by overlapping at least 10 layers of honeycomb mesh paper 10 up and down, and a rigid net frame 30 for supporting the filtering layer.

As shown in fig. 1, each layer of honeycomb mesh paper 10 is a two-dimensional plane paper with regular parallelogram through holes 11 densely distributed, and a large number of regular parallelogram through holes 11 are densely distributed on the paper to form a mesh similar to a honeycomb. The diameter of the through hole 11 is usually not more than 40 mm; preferably 8-15 mm. The width of the paper strips between the honeycombs is 2-20 mm; preferably 4-10 mm.

As shown in fig. 2, in the filter layer 20 formed by overlapping the honeycomb mesh paper 10 of more than 10 layers, the honeycomb meshes (i.e. the through holes 11) are misaligned between the adjacent two layers of honeycomb mesh paper 10.

The honeycomb mesh paper 10 in this embodiment may be obtained directly by mechanical or manual perforation, or may be obtained by stretching "honeycomb wrapping paper" also called "honeycomb drawing paper" as shown in fig. 3, and the product is a light, thin and flexible flat paper structure, and during production, cuts are made on the surface of the paper, and when in use, under the action of an external force F, the cuts are pulled apart, so that rhombic or parallelogram through holes 11 uniformly distributed on the paper can be formed.

When the honeycomb mesh paper 10 shown in fig. 3 is used for manufacturing the filter layer 20, the flat honeycomb packing paper can be stretched to form the light and soft honeycomb mesh paper 10, then the light and soft honeycomb mesh paper 10 is spread in layers, the light and soft honeycomb mesh paper plane formed by stretching is rotated by 90 degrees at intervals, the light and soft honeycomb mesh paper plane is crossed in a cross shape and stacked layer by layer, and at least 10 flat honeycomb mesh papers 10 are stacked layer by layer to form the flat filter layer 20. The crossed laminations of the light, thin and soft honeycomb paper net formed by stretching the flat honeycomb packing paper form linear staggering, the permeable aperture structure has great irregular complexity, and the interception and purification effects on oil smoke can be realized to the maximum extent. Meanwhile, the crossed layers are overlapped layer by layer and staggered in the transverse and vertical directions, so that the retraction force of the stretching net formed by laminating in a single direction can be avoided, the crossed layers are formed in the transverse and vertical directions to restrict the retraction stability of the stretching honeycomb paper net, and the toughness strength of the horizontally-stretched honeycomb paper filter net in the transverse and vertical directions is improved.

In a further preferred embodiment, a flame retardant material is further sprayed on the surface of the filter layer 20 to form a flame retardant layer. The flame retardant material may be an organic flame retardant material, an inorganic flame retardant material, or a composite of both. The inorganic flame-retardant material can be selected from any one of more than two of aluminum hydroxide, magnesium hydroxide, monoammonium phosphate, diammonium phosphate, ammonium chloride or boric acid. The organic flame-retardant material can be selected from one or more of halogen series, phosphate and halogenated phosphate, such as hexabromine water dispersion, decabromine-antimony trioxide; and water insoluble organophosphate emulsions.

Because of the flexibility of the flat honeycomb paper oil fume interception and purification filter screen, especially under the condition that a large-area filter screen is used in a commercial kitchen, a large-aperture rigid component is required to be utilized to clamp and support the flat honeycomb paper oil fume interception and purification filter screen. Therefore, the rigid net frame 30 in this embodiment is composed of a mesh 31 having a hole diameter of 15 to 30cm and a rigid frame 32 fixedly connected to the periphery of the mesh 31, as shown in fig. 4. The filter layer 20 is laid on the surface of the mesh 31 and is fixed around the rigid frame 32 by suitable fasteners.

Example 2

A multi-stage oil smoke purification device is shown in figure 5 and comprises a smoke collecting port 51, a reducing suction hood 52, a smoke guide channel 53 and an exhaust fan 54 which are connected in sequence; a multi-stage filter screen assembly 55 is arranged in the reducing suction hood; the multi-stage filter screen assembly 55 comprises 3 groups of filter screens 551; the arrangement direction of each group of filter screens 551 is vertical to the flow direction of the flue gas; the 3 groups of filter screens 551 are arranged in parallel at intervals; each group of filter screens 551 is the honeycomb type multilayer lampblack filtering device described in the embodiment 1, and is arranged in the variable diameter suction hood 52 in an exchangeable manner.

As shown in fig. 6, the pluggable arrangement includes: the variable-diameter suction hood comprises a plurality of pluggable ports 521 arranged on the side wall of the variable-diameter suction hood 52, pluggable embedded grooves 522 arranged in the variable-diameter suction hood 52 and opposite to the pluggable ports 521, a release fixing bolt interface 523 and a release fixing bolt 524. When changing the filter screen, take out the filter screen that has used the needs to be changed, through can inserting the mouth 521 of trading, insert and trade the flat open honeycomb paper of multilayer that props by filtering rigid rack and hold and keep back the purification filter screen, make filtering rigid rack embedding can insert and trade embedded groove 522, adjust the seamless gap, with the loose gim peg 524 of putting that can insert the filter screen, the fastening interface 523 is put to the tie-up pine, fixed flat open honeycomb paper that can insert and trade is held back the purification filter screen, so carry out multistage change, it is convenient to clear up the maintenance and change.

Through the effect of pumping and exhausting, oil smoke is sucked below the oil smoke cover, and the oil smoke is intercepted and purified by the multi-layer flat honeycomb paper which can be inserted and replaced, so that the interception and purification of the oil smoke are realized in the irregular complex aperture structure of the multi-layer flat honeycomb paper filter screen. The multi-stage replaceable multi-layer flat honeycomb paper intercepting and purifying filter screen is arranged, oil smoke is fully intercepted and purified in a first stage, a second stage and other multi-stage mode, and clean gas is exhausted through pumping and exhausting.

Claims

1. The utility model provides a honeycomb formula multilayer oil smoke filter equipment which characterized in that: comprises a filter layer formed by overlapping more than two layers of honeycomb mesh paper up and down; wherein, the dislocation of the honeycomb grids exists between the adjacent two layers of honeycomb grid paper; the honeycomb grid paper is two-dimensional plane paper densely distributed with regular through holes, a large number of regular through holes are densely distributed on the paper, and the formed grid is similar to a honeycomb in shape; the aperture of the regular through hole is not more than 40 mm.

2. The apparatus of claim 1, wherein: the aperture of the regular through hole is 8-15 mm.

3. The apparatus of claim 1, wherein: the honeycomb mesh paper is planar paper which is formed by honeycomb packing paper or honeycomb drawn mesh paper under the action of external force traction and is uniformly distributed with rhombic holes or honeycomb holes.

4. The apparatus of claim 1, wherein: the filtering layer is formed by overlapping more than five layers of honeycomb mesh paper up and down.

5. The apparatus of claim 1, wherein: the filtering layer is formed by overlapping more than ten layers of honeycomb mesh paper up and down.

6. The apparatus of claim 1, wherein: further comprises a rigid net frame for supporting and fixing the filter layer.

7. The apparatus of claim 6, wherein: the rigid net rack is composed of a mesh with the aperture not smaller than 10cm and a rigid frame fixedly connected with the periphery of the mesh.

8. The apparatus of claim 1, wherein: the honeycomb grid paper is two-dimensional plane paper with diamond or oval through holes densely distributed, and the laying directions of the honeycomb grid paper are perpendicular to each other.

9. The apparatus of claim 1, wherein: the surface of the filter layer is also provided with a flame retardant material layer; the flame retardant material layer can be an organic flame retardant material layer, an inorganic flame retardant material layer or a composite layer of the organic flame retardant material layer and the inorganic flame retardant material layer.

10. The utility model provides a multistage clarification plant of oil smoke which characterized in that: at least comprises a smoke collecting port, a reducing suction hood, a flue guide channel and an exhaust fan which are connected in sequence; a multi-stage filter screen assembly is arranged in the reducing suction hood; the multi-stage filter screen assembly comprises more than two groups of filter screens; the arrangement direction of each group of filter screens is vertical to the flow direction of the flue gas; the more than two groups of filter screens are arranged in parallel at intervals; each set of filter screens comprises the honeycomb type multilayer lampblack filter device in claim 1.

11. The apparatus of claim 10, wherein: every group the filter screen be in inside the detachable setting that is of oil smoke multi-stage purification equipment reducing suction cover.

12. The apparatus of claim 11, wherein: the detachable arrangement is realized through a pluggable structure.