CN217490194U - Air filtering device for fluidized bed - Google Patents
Air filtering device for fluidized bed Download PDFInfo
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- CN217490194U CN217490194U CN202221519694.6U CN202221519694U CN217490194U CN 217490194 U CN217490194 U CN 217490194U CN 202221519694 U CN202221519694 U CN 202221519694U CN 217490194 U CN217490194 U CN 217490194U
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- fluidized bed
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Abstract
The utility model provides an air filtering device for a boiling fluidized bed, which comprises an induced draft fan, a first filtering unit and a second filtering unit; the first filtering unit is detachably connected with an air inlet of the induced draft fan, and the second filtering unit is detachably connected with an air outlet of the induced draft fan; the first filtering unit comprises a first flange plate, a second flange plate, an installation pipe, protection rods and a protection assembly, wherein one end of the installation pipe is fixedly connected with the first flange plate, the other end of the installation pipe is fixedly connected with the second flange plate, and the inner wall of the installation pipe is fixedly connected with the protection rods. A air filter for boiling fluidized bed, through installing first filter unit in draught fan air intake department and installing the second filter unit in draught fan air outlet department, carry out two-layer protection to the draught fan, effectively avoid sources of pollution such as dust in the air to get into boiling fluidized bed.
Description
Technical Field
The utility model belongs to food additive processing equipment field especially relates to an air filter for boiling fluidized bed.
Background
In the production process of food additives such as essence and the like, a common drying device is a spray dryer, but the aroma loss of the food additives such as essence and the like in the spray drying process is large, and along with the development of a fluidization technology, a boiling fluidized bed with high strength and high productivity is more and more applied in the field of drying of the food additives such as essence and the like.
A fluidized bed, which makes wet particles suspended by hot air flow, makes materials exchange heat by fluidized boiling, takes away evaporated moisture or organic solvent by hot air, adopts a mass heat transfer mode of gas-solid two-phase suspension contact to the materials by hot air flow to achieve the aim of drying the wet particles, and has the working flow that the materials are conveyed to the fluidized bed by a skip car, are sealed with the fluidized bed by a sealing ring under the jacking action of an air cylinder, then are heated by a radiator under the power action of an induced draft fan, and are distributed into the fluidized bed (drying chamber) by an air flow distribution plate (screen), so that the existing fluidized bed can be seen that the air in the external environment is not extracted by the induced draft fan to be filtered when in preparation, and pollution sources such as dust in the external air can be undoubtedly led to enter the fluidized bed, there is therefore a need for a filter device for filtering sources of pollution in air.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to an air filtering device for a fluidized bed to solve the problem that dust and other pollution sources in the air enter the fluidized bed.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
an air filtering device for a boiling fluidized bed comprises an induced draft fan, a first filtering unit and a second filtering unit;
the first filtering unit is detachably connected with an air inlet of the induced draft fan, and the second filtering unit is detachably connected with an air outlet of the induced draft fan;
first filter unit includes first ring flange, second ring flange, installation pipe, fender rod and protective component, the first ring flange of installation pipe one end fixedly connected with, the other end fixedly connected with second ring flange of installation pipe, many fender rods of fixedly connected with on the installation inside pipe wall, the installation pipe is connected with the draught fan through first ring flange, the installation pipe passes through the second ring flange and is connected with protective component.
Further, the guard assembly comprises a third flange plate, a gasket and a ring platform;
the third flange plate is fixedly connected with the ring platform, and an embedded groove used for accommodating the gasket is formed in the ring platform.
Furthermore, the second filtering unit comprises a filtering pipeline, a fourth flange plate, a fifth flange plate and a filtering component;
the filter pipeline is fixedly connected with the fourth flange plate, the filter pipeline is connected with the draught fan through the fourth flange plate, the filter pipeline is fixedly connected with the fifth flange plate, the filter pipeline is connected with the radiator through the fifth flange plate, and the filter assembly is detachably connected in the filter pipeline.
Furthermore, the inner wall of the filtering pipeline is also provided with a plug board used for guiding the filtering component.
Furthermore, the filter assembly is provided with a plurality of filter pipes along the length direction of the filter pipe.
Further, the filter assembly comprises a mounting frame and a clamping frame;
and clamping frames are arranged on two sides of the mounting frame.
Further, the filter assembly further comprises a sealing cover;
the upper surface of the mounting frame is fixedly connected with a sealing cover.
Further, the filter assembly further comprises a fixing lug;
the fixing lug is fixedly connected to the side wall of the sealing cover;
the outer wall of the filtering pipeline is also provided with a fixing component corresponding to the fixing lug.
Furthermore, the fixing assembly comprises a fixing block, a fixing screw, a shaft sleeve, a connecting rod and a hand-screwed nut;
fixed block and set screw threaded connection, the axle sleeve cup joints on set screw, axle sleeve and connecting rod fixed connection, connecting rod and hand screw nut threaded connection.
Furthermore, a plurality of supporting columns are arranged in the mounting frame.
Compared with the prior art, an air filter for boiling fluidized bed have following beneficial effect:
(1) a air filter for boiling fluidized bed, through installing first filter unit in draught fan air intake department and installing the second filter unit in draught fan air outlet department, carry out two-layer protection to the draught fan, effectively avoid sources of pollution such as dust in the air to get into boiling fluidized bed.
(2) A air filter for boiling fluidized bed, first filter unit and second filter unit are all connected with the draught fan through flange joint's mode, when in-service use, personnel can install or maintain first filter unit and second filter unit by high efficiency.
(3) A air filter for boiling fluidized bed, slot in the filtering duct when playing direction installation effect to filtering component, has still played spacing filtering component's effect.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of an overall structure of a filtering apparatus according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a first filter unit according to an embodiment of the present invention;
fig. 3 is an external view of a first filter unit according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the installation pipe installed on the induced draft fan according to the embodiment of the present invention;
fig. 5 is a schematic structural view of the mounting frame and the clamping frame according to the embodiment of the present invention;
fig. 6 is a schematic structural view of a fixing assembly according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a protection assembly according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a second filtering unit according to an embodiment of the present invention;
fig. 9 is a schematic view of the shape of the filter cotton when the filter cotton is installed in the installation frame according to the embodiment of the present invention.
Description of reference numerals:
1-a draught fan; 2-a first filtration unit; 201-a first flange; 202-a second flange; 203-installing a pipe; 204-guard bar; 205-a third flange; 206-a washer; 207-loop block; 2071-embedded groove; 3-a filtration pipeline; 301-a fourth flange; 302-fifth flange; 303-through grooves; 4, inserting a board; 5, mounting a frame; 501-clamping frame; 6-sealing cover; 601-fixing ear; 7-a fixing component; 701-fixing block; 702-a set screw; 703-a shaft sleeve; 704-a connecting rod; 705-screwing the nut by hand; 8-a support column; 9-filtering cotton.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Air filtering step: as shown in fig. 1 to 9, air passes through the first filtering unit 2 to reach the induced draft fan 1, and then passes through the second filtering unit to transfer the filtered air to the radiator, and the heated hot air is transferred to the boiling fluidized bed, so that the boiling fluidized bed can perform related food production operations.
Description of installation for the first filter unit 2: the mounting pipe 203 is mounted at the air inlet of the draught fan 1 through the first flange plate 201, the inner wall of the mounting pipe 203 is fixedly connected with a plurality of protective rods 204, and the protective rods 204 can effectively avoid unnecessary harm caused by the fact that hands extend into the draught fan 1 due to improper operation of personnel;
the one end that first ring flange 201 was kept away from to installation pipe 203 still is equipped with the second ring flange 202 that is used for installing protection component, fixedly connected with ring platform 207 on the third ring flange 205, set up the embedded groove 2071 that is used for installing packing ring 206 on the ring platform 207, inside in order to avoid foreign matters such as mosquito to be inhaled draught fan 1, carry out prefilter to foreign matters such as mosquito through the gauze, personnel press the marginal part of gauze in the embedded groove 2071, later with packing ring 206 chucking in the embedded groove 2071, realize the packing ring 206 fixed to the gauze, the protection component of gauze will be installed at last, it is fixed with third ring flange 205 through the bolt with second ring flange 202, accomplish first filter unit 2's installation operation promptly.
Installation instructions for the second filter unit: the two ends of the filter pipeline 3 are respectively provided with a fourth flange 301 and a fifth flange 302, the filter pipeline 3 is connected to the air outlet of the induced draft fan 1 through the fourth flange 301, and the filter pipeline 3 is connected with the radiator through the fifth flange 302;
an inserting plate 4 (shown in fig. 6 and 8) for installing a filtering assembly is arranged in the filtering pipeline 3, and it should be noted that the inserting plate 4 in the present application has two functions, one is that the inserting plate 4 plays a guiding role for the installation frame 5 and the clamping frame 501 when the filtering assembly is installed, and the second is that the inserting plate 4 plays a limiting role for the installation frame 5 and the clamping frame 501 when the induced draft fan 1 works after the installation is finished;
the air is filtered by the filter cotton, and the filter cotton is installed in two ways, namely, the filter cotton is placed on two sides of the installation frame 5 and is filtered by the clamping frame 501, so that two pieces of filter cotton are installed on one installation frame 5;
the other type is that the filter cotton is folded to be in a wave shape (as shown in fig. 9, fig. 9 is the filter cotton in a wave shape, and the filter cotton is schematically illustrated with the position relation of the support columns 8), a plurality of support columns 8 in the installation frame 5 play a role in supporting the filter cotton, so that the filter cotton keeps the wave shape, the filter cotton is folded to be in a wave shape, the advantage that the filter cotton can be in contact with air in the same area can be increased, only one filter cotton needs to be adopted on one installation frame 5 in the installation mode, in order to enable the filter cotton to be installed in the installation frame 5 more firmly, the filter cotton can be fixed by the clamping frame 501, and two ends of the filter cotton are clamped between the installation frame 5 and the clamping frame 501 during fixing.
As shown in fig. 6 and 8, the mounting frame 5 and the clamping frame 501 are mounted inside the filter duct 3 through the through groove 303 provided on the filter duct 3, the sealing cover 6 is fixedly connected to the upper surface of the mounting frame 5, and the sealing cover 6 can ensure that the gas in the filter duct 3 does not escape from the through groove 303.
In the application, the filter assembly is fixed in the filter pipeline 3 through the fixing assembly 7, as shown in fig. 8, the fixing lug 601 is pressed downwards through the hand-screwed nut 705, so that the filter assembly is fixed, and when filter cotton needs to be replaced, the connecting rod 704 is rotated to a horizontal state from a vertical state shown in fig. 8 only by loosening the hand-screwed nut 705, and then the filter assembly is lifted upwards;
in order to enable the hand nut 705 to press down the fixing lug 601 better, a gasket can be sleeved on the connecting rod 704, and the gasket is positioned above the fixing lug 601 and below the hand nut 705;
in order to facilitate the lifting of the filtering assembly from the filtering pipeline 3, a handle can be arranged on the upper surface of the sealing cover 6, so that the mounting frame 5 and the clamping frame 501 arranged in the filtering pipeline 3 can be taken out conveniently by a person;
the mounting frame 5 and the clamping frame 501 in the present application have two connection forms, one is fixed by a screw, and the other is fixed by a magnet.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An air filtration device for a bubbling fluidized bed, characterized by: the device comprises an induced draft fan (1), a first filtering unit (2) and a second filtering unit;
the first filtering unit (2) is detachably connected to an air inlet of the induced draft fan (1), and the second filtering unit is detachably connected to an air outlet of the induced draft fan (1);
first filter unit (2) are including first ring flange (201), second ring flange (202), installation pipe (203), fender rod (204) and protection component, the first ring flange (201) of installation pipe (203) one end fixedly connected with, the other end fixedly connected with second ring flange (202) of installation pipe (203), many fender rods (204) of fixedly connected with on installation pipe (203) inner wall, installation pipe (203) are connected with draught fan (1) through first ring flange (201), installation pipe (203) are connected with protection component through second ring flange (202).
2. An air filtration device for a boiling fluidized bed as claimed in claim 1 wherein: the guard assembly comprises a third flange plate (205), a washer (206) and a ring platform (207);
the third flange plate (205) is fixedly connected with the ring platform (207), and an embedded groove (2071) used for accommodating the gasket (206) is formed in the ring platform (207).
3. An air filtration device for a boiling fluidized bed as claimed in claim 1 wherein: the second filtering unit comprises a filtering pipeline (3), a fourth flange plate (301), a fifth flange plate (302) and a filtering component;
filtration pipeline (3) and fourth ring flange (301) fixed connection, filtration pipeline (3) are connected with draught fan (1) through fourth ring flange (301), filtration pipeline (3) and fifth ring flange (302) fixed connection, filtration pipeline (3) are connected with the radiator through fifth ring flange (302), filtering component can dismantle to connect in filtration pipeline (3).
4. An air filtration device for a boiling fluidized bed as claimed in claim 3 wherein: and the inner wall of the filtering pipeline (3) is also provided with a plug board (4) for guiding the filtering component.
5. An air filtration device for a boiling fluidized bed as claimed in claim 3 wherein: the filter assembly is provided with a plurality of filter assemblies along the length direction of the filter pipeline (3).
6. An air filtration device for a boiling fluidized bed as claimed in claim 3 wherein: the filter assembly comprises a mounting frame (5) and a clamping frame (501);
and clamping frames (501) are arranged on two sides of the mounting frame (5).
7. An air filtration device for a boiling fluidized bed as claimed in claim 6 wherein: the filter assembly further comprises a sealing cover (6);
the upper surface of the mounting frame (5) is fixedly connected with a sealing cover (6).
8. An air filtration device for a boiling fluidized bed as claimed in claim 6 wherein: the filter assembly further comprises a fixing ear (601);
the fixing lug (601) is fixedly connected to the side wall of the sealing cover (6);
the outer wall of the filtering pipeline (3) is also provided with a fixing component (7) corresponding to the fixing lug (601).
9. An air filtration device for a boiling fluidized bed as claimed in claim 8 wherein: the fixing assembly (7) comprises a fixing block (701), a fixing screw (702), a shaft sleeve (703), a connecting rod (704) and a hand-screwed nut (705);
the fixing block (701) is in threaded connection with the fixing screw (702), the shaft sleeve (703) is sleeved on the fixing screw (702), the shaft sleeve (703) is fixedly connected with the connecting rod (704), and the connecting rod (704) is in threaded connection with the hand-screwed nut (705).
10. An air filtration device for a boiling fluidized bed as claimed in claim 6 wherein: a plurality of supporting columns (8) are arranged in the mounting frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221519694.6U CN217490194U (en) | 2022-06-17 | 2022-06-17 | Air filtering device for fluidized bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221519694.6U CN217490194U (en) | 2022-06-17 | 2022-06-17 | Air filtering device for fluidized bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217490194U true CN217490194U (en) | 2022-09-27 |
Family
ID=83339598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221519694.6U Active CN217490194U (en) | 2022-06-17 | 2022-06-17 | Air filtering device for fluidized bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217490194U (en) |
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2022
- 2022-06-17 CN CN202221519694.6U patent/CN217490194U/en active Active
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