Dust filtering equipment suitable for nitrogen making machine

Abstract

The utility model relates to the technical field of nitrogen making machines, in particular to a dust filtering device suitable for a nitrogen making machine, which comprises a filtering component, a dust collecting component, a dust collecting component and a dust collecting component, and is characterized in that the filtering component is used for filtering dust in air entering the nitrogen making machine; the filter assembly comprises a mounting shell, filter elements and an air drying assembly, the interior of the mounting shell is divided into multiple cavities including an air cavity, a sealing cavity, a cleaning cavity and an air drying cavity through partition plates, and the multiple filter elements are uniformly and rotatably mounted in the mounting shell in the circumferential direction and can smoothly pass through the air cavity, the sealing cavity, the cleaning cavity and the air drying cavity; the air drying assembly is mounted in the air drying cavity and is used for performing air drying treatment on the cleaned filter element; and the power assembly provides power for rotation of the filter element and the air drying assembly. The device capable of automatically replacing the filter element and the cleaning equipment and the air-drying equipment for cleaning and air-drying the filter element are additionally arranged on the air pipe, so that replacement and cleaning of the filter element are integrated, the time for disassembly and replacement is not wasted, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to nitrogen making machine technical field especially relates to a dust filter equipment suitable for nitrogen making machine. BACKGROUND

[0002] Nitrogen making machine is a kind of equipment for producing nitrogen. It usually adopts air separation technology to separate oxygen and nitrogen in air, so as to obtain high-purity nitrogen. There are various working principles of nitrogen making machine, such as pressure swing adsorption, membrane separation, etc.

[0003] Before nitrogen is made by nitrogen making machine, the input air needs to be filtered to exclude the dust carried in the air; it needs to be equipped with a filter device. The filter device needs to be replaced after being used for a period of time, and the disassembled dust filter device is cleaned and dried before being reloaded into the nitrogen making machine for use. The disassembly and replacement are time-consuming.

[0004] The utility model designs a dust filter equipment suitable for nitrogen making machine and capable of automatically cleaning and drying the filter device to solve the above problems. INVENTION CONTENTS

[0005] Therefore, it is necessary to provide a dust filter equipment suitable for nitrogen making machine in view of the problems existing in the current dust filter device of nitrogen making machine. The filter core replacement and cleaning integration are realized by adding a device capable of automatically replacing the filter core on the air pipe and a cleaning equipment and drying equipment for cleaning and drying the filter core, without wasting time for disassembly and replacement, and the working efficiency is improved.

[0006] The above-mentioned purpose is realized by the following technical scheme:

[0007] A dust filter equipment suitable for nitrogen making machine, comprising:

[0008] A filter assembly is fixedly installed by a support rod and used for filtering dust in the air entering the nitrogen making machine. The filter assembly comprises a mounting shell, filter cores and a drying assembly. The mounting shell is fixedly installed by a support rod. The mounting shell is divided into multiple cavities, such as air cavity, sealing cavity, cleaning cavity and drying cavity, by a partition plate. Multiple filter cores are rotatably installed in the mounting shell and can smoothly pass through the air cavity, sealing cavity, cleaning cavity and drying cavity. The size of the filter core can be adapted to the air cavity, sealing cavity, cleaning cavity and drying cavity.

[0009] The drying assembly is installed in the drying cavity to dry the cleaned filter core.

[0010] A power assembly provides power for the rotation of the filter core and the drying assembly.

[0011] In one of the embodiments, the power assembly comprises a motor, a chain wheel, a chain, a gear ring and a transmission shaft, wherein the motor is fixedly installed on the upper side of the installation shell, and the transmission shaft is rotatably installed in the middle of the installation shell; the output shaft of the motor and the upper end of the transmission shaft are respectively fixedly installed with a chain wheel, and the two chain wheels are connected by the chain; the upper end of the transmission shaft is fixedly installed with the gear ring, the gear ring is in transmission connection with the air-drying assembly, and the transmission shaft is connected with the filter element.

[0012] In one of the embodiments, the installation shell is rotatably installed with a filter shell, a plurality of arc-shaped through grooves are uniformly distributed on the filter shell, and each arc-shaped through groove is installed with a filter element; the filter shell is fixedly connected with the transmission shaft.

[0013] In one of the embodiments, the air cavity on the installation shell is provided with two sealing cavities on both sides, the sealing cavities are fixedly installed with sealing blocks, and the upper end of the sealing block is in close contact with the lower side of the corresponding filter element.

[0014] In one of the embodiments, one side of one of the two sealing cavities is a cleaning cavity; the upper side of the cleaning cavity is fixedly installed with a first filter plate, and the first filter plate is located on the upper side of the filter element.

[0015] In one of the embodiments, the remaining parts of the installation shell except the air cavity, the two sealing cavities and the cleaning cavity are all air-drying cavities, the upper end of the air-drying cavity is fixedly installed with a second filter plate, and the lower end of the air-drying cavity is fixedly installed with a third filter plate.

[0016] In one of the embodiments, the air-drying assembly comprises a transmission gear, an installation rotating shaft and a blade, wherein the installation rotating shaft is rotatably installed in the corresponding air-drying cavity, the upper end of the installation rotating shaft is fixedly installed with the transmission gear, the transmission gear is in meshing connection with the gear ring, and the lower end of the installation rotating shaft is fixedly installed with the blade.

[0017] In one of the embodiments, the air cavity is provided with an air inlet pipe and an air outlet pipe at the upper and lower ends.

[0018] In one of the embodiments, the cleaning cavity is provided with a water inlet pipe and a drain pipe at the upper and lower ends.

[0019] The air pipe is provided with a device capable of automatically replacing the filter element, and the filter element is cleaned and air-dried by the cleaning equipment and the air-drying equipment, so that the filter element replacement and cleaning are integrated, the time for disassembly and replacement is saved, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall component appearance.

[0021] Figure 2 It is a schematic diagram of the power assembly structure.

[0022] Figure 3 is a schematic view of installation of the air-drying assembly.

[0023] Figure 4 is a schematic view of structure of the air-drying assembly.

[0024] Figure 5 is a schematic view of installation of the second filter plate.

[0025] Figure 6 is a schematic view of structure of the installation shell.

[0026] Figure 7 is a schematic view of installation of the filter shell.

[0027] Figure 8 is a schematic view of installation of the first filter plate.

[0028] Figure 9 is a schematic view of distribution of the first filter plate.

[0029] Figure 10 is a schematic view of distribution of the sealing block.

[0030] Figure label name: 1, support rod; 2, filter assembly; 201, transmission shaft; 203, installation shell; 204, air inlet pipe; 205, air outlet pipe; 206, drain pipe; 207, water inlet pipe; 208, air-drying cavity; 209, cleaning cavity; 210, sealing cavity; 211, air cavity; 212, filter shell; 213, filter core; 214, first filter plate; 215, sealing block; 3, air-drying assembly; 301, transmission gear; 302, installation rotating shaft; 303, blade; 304, second filter plate; 305, third filter plate; 4, power assembly; 401, motor; 402, chain wheel; 403, chain; 404, gear ring. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will be further described in detail by combining with the drawings. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0032] The serial numbers of components in this document, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any sequence or technical meaning. Unless otherwise specified, the "connection" and "coupling" in this application include direct and indirect connections (couplings). In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0033] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the "over", "above" and "on" of the first feature to the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "under", "below" and "under" of the first feature to the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0034] As shown in Figures 1-10 , a dust filtering device suitable for a nitrogen making machine, comprising: a filtering assembly 2 fixedly installed through a support rod 1, used for filtering dust in air entering the nitrogen making machine; as shown in Figure 2 , 3 , 4, the filtering assembly 2 comprises an installation shell 203, a filter core 213, and a drying assembly 3, wherein as shown in Figure 1 , the installation shell 203 is fixedly installed through the support rod 1, as shown in Figure 6 , 9 , the installation shell 203 is divided into multiple cavities of an air cavity 211, a sealing cavity 210, a cleaning cavity 209 and a drying cavity 208 through a partition plate, multiple filter cores 213 are rotatably installed in the installation shell 203 and can smoothly pass through the air cavity 211, the sealing cavity 210, the cleaning cavity 209 and the drying cavity 208, and the size of the filter core 213 can be adapted to the air cavity 211, the sealing cavity 210, the cleaning cavity 209 and the drying cavity 208; as shown in Figure 4 , the drying assembly 3 is installed in the drying cavity 208 to dry the cleaned filter core 213; the power assembly 4 provides power for the rotation of the filter core 213 and the drying assembly 3.

[0035] The utility model discloses a filter element 213 is arranged in the air cavity 211, and the filter element 213 is arranged in the air cavity 211 in the form of a plurality of pieces, and each cavity corresponds to a piece of filter element 213 and is aligned up and down, in the normal use process, air enters from the upper end of the air cavity 211, and after being filtered by the filter element 213 below, is discharged from the lower side of the air cavity 211, and the filtration of dust in the air is completed, and the filtered air enters the next process for nitrogen production.

[0036] After discovering that the filtering effect is poor after using for a period of time, the power assembly 4 is controlled to work, and the power assembly 4 working can drive all the filter elements 213 to rotate in the circumferential direction, and in the rotating process, the filter elements 213 located at the rear side gradually enter the air cavity 211, and the filter elements 213 needing cleaning gradually move out of the air cavity 211, in this process, the two sealing blocks 215 installed in the sealing cavities 210 on both sides of the air cavity 211 can seal the bottoms of the two filter elements 213 entering and leaving the air cavity 211, so that the filtered air is prevented from flowing out from other positions outside the air cavity 211, thereby affecting the filtering effect, when the filter elements 213 at the rear side are completely moved into the air cavity 211, the filter elements 213 needing cleaning are moved into the sealing cavities 210 at the front side, when the new filter elements 213 need to be cleaned after being used for a period of time, the filter elements 213 in the sealing cavities 210 at the front side are driven to move into the cleaning cavities 209, at this time, high-pressure cleaning liquid is injected into the cleaning cavities 209, and the filter elements 213 in the cleaning cavities 209 can be cleaned through the high-pressure cleaning liquid, after cleaning, when the filter elements 213 need to be replaced again, the cleaned filter elements 213 are moved into the air drying cavities 208 at the front side and are subjected to air drying treatment by the air drying assemblies 3 in the air drying cavities 208, when the next filter element 213 needs to be replaced, the filter elements 213 subjected to air drying treatment once are subjected to air drying again in the next air drying cavity 208.

[0037] In one of the embodiments, as shown in Figure 1 、 2 , 3, the power assembly 4 comprises a motor 401, a chain wheel 402, a chain 403, a gear ring 404 and a transmission shaft 201, wherein the motor 401 is fixedly installed on the upper side of the mounting shell 203, and the transmission shaft 201 is rotatably installed in the middle of the mounting shell 203; one chain wheel 402 is fixedly installed on the output shaft of the motor 401 and the upper end of the transmission shaft 201 respectively, and the two chain wheels 402 are drivingly connected through the chain 403; the gear ring 404 is fixedly installed on the upper end of the transmission shaft 201, the gear ring 404 is drivingly connected with the air drying assembly 3, and the transmission shaft 201 is connected with the filter element 213.

[0038] The motor 401 can drive the transmission shaft 201 to rotate through the two chain wheels 402 and the chain 403, and the transmission shaft 201 drives the gear ring 404 to rotate.

[0039] In one of the embodiments, as shown in Figure 7 ,8 As shown, a filter housing 212 is rotatably mounted inside the mounting shell 203. The filter housing 212 has multiple evenly distributed arc-shaped slots, each containing a filter element 213. The filter housing 212 is fixedly connected to the drive shaft 201. Rotation of the drive shaft 201 drives the filter housing 212 to rotate, which in turn drives the filter element 213 to rotate circumferentially.

[0040] In one embodiment, such as Figure 9 , 10 As shown, the air cavity 211 on the mounting shell 203 has two sealing cavities 210 on both sides. A sealing block 215 is fixedly installed in the sealing cavity 210, and the upper end of the sealing block 215 is in close contact with the lower side of the corresponding filter element 213.

[0041] In one embodiment, such as Figure 6 , 9 As shown, one side of one of the two sealing cavities 210 is a cleaning chamber 209; as Figure 8 As shown, a first filter plate 214 is fixedly installed on the upper side of the cleaning chamber 209. The first filter plate 214 is located on the upper side of the filter element 213. The function of the first filter plate 214 is to filter the injected cleaning liquid and prevent impurities from entering the cleaning chamber 209 and affecting the cleaning effect.

[0042] In one embodiment, such as Figure 6 , 9 As shown, apart from the air chamber 211, two sealing chambers 210, and one cleaning chamber 209, the rest of the mounting housing 203 consists of drying chambers 208. Figure 5 , 7 As shown, a second filter plate 304 is fixedly installed at the upper end of the drying chamber 208, and a third filter plate 305 is fixedly installed at the lower end of the drying chamber 208; the function of the second filter plate 304 and the third filter plate 305 is to filter the air used for drying.

[0043] In one embodiment, such as Figure 4 As shown, the air-drying assembly 3 includes a transmission gear 301, a mounting shaft 302, and blades 303. The mounting shaft 302 is rotatably mounted in the corresponding air-drying chamber 208. The transmission gear 301 is fixedly mounted on the upper end of the mounting shaft 302, and the transmission gear 301 meshes with the gear ring 404. The blades 303 are fixedly mounted on the lower end of the mounting shaft 302.

[0044] The rotation of the gear ring 404 can drive the transmission gear 301 to rotate, the rotation of the transmission gear 301 can drive the mounting shaft 302 to rotate, the rotation of the mounting shaft 302 can drive the blades 303 to rotate, and the rotation of the blades 303 can dry the filter element 213.

[0045] In one embodiment, as shown in Figure 5 , 6 the upper and lower ends of the air cavity 211 are provided with air inlet pipe 204 and air outlet pipe 205.

[0046] In one embodiment, as shown in Figure 5 , 6 the upper and lower ends of the cleaning cavity 209 are provided with water inlet pipe 207 and water outlet pipe 206.

[0047] The technical features of the above embodiments can be combined in any manner. In order to make the description simple, all possible combinations of the technical features in the above embodiments are not described, however, as long as the combinations of the technical features do not contradict, they should be considered as the scope of the present disclosure.

[0048] The above embodiments only express several implementation manners of the present application, the description is relatively specific and detailed, however, it should not be understood as the limitation of the scope of the present application. It should be pointed out that, for the ordinary skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A dust filtration device suitable for a nitrogen generator, characterized in that: include: The filter assembly, fixedly installed by a support rod, is used to filter dust in the air entering the nitrogen generator. The filter assembly includes a mounting shell, filter elements, and a drying assembly. The mounting shell is fixedly installed by the support rod and is divided into multiple chambers, including an air chamber, a sealing chamber, a cleaning chamber, and a drying chamber, by a partition. Multiple filter elements are rotatably and circumferentially mounted in the mounting shell and can pass smoothly through the air chamber, sealing chamber, cleaning chamber, and drying chamber. The size of the filter elements is adaptable to the air chamber, sealing chamber, cleaning chamber, and drying chamber. The air-drying assembly is installed inside the air-drying chamber to air-dry the cleaned filter element; The power unit provides power for the rotation of the filter element and the drying assembly.

2. The dust filtration device suitable for a nitrogen generator according to claim 1, characterized in that: The power assembly includes a motor, sprockets, a chain, a gear ring, and a drive shaft. The motor is fixedly mounted on the upper side of the mounting housing, and the drive shaft is rotatably mounted in the middle of the mounting housing. A sprocket is fixedly mounted on the upper end of the motor's output shaft and the drive shaft, and the two sprockets are connected by a chain drive. A gear ring is fixedly mounted on the upper end of the drive shaft, and the gear ring is connected to the air-drying assembly. The drive shaft is also connected to the filter element.

3. A dust filtration device suitable for a nitrogen generator according to claim 2, characterized in that: A filter housing is rotatably installed inside the mounting housing. The filter housing has multiple evenly distributed arc-shaped slots, and a filter element is installed in each arc-shaped slot. The filter housing is fixedly connected to the drive shaft.

4. A dust filtration device suitable for a nitrogen generator according to claim 1, characterized in that: The mounting housing has two sealing chambers on both sides of the air cavity. A sealing block is fixedly installed in the sealing chamber, and the upper end of the sealing block is in close contact with the lower side of the corresponding filter element.

5. A dust filtration device suitable for a nitrogen generator according to claim 4, characterized in that: One side of one of the two sealed cavities is a cleaning cavity; a first filter plate is fixedly installed on the upper side of the cleaning cavity, and the first filter plate is located on the upper side of the filter element.

6. A dust filtration device suitable for a nitrogen generator according to claim 1, characterized in that: Apart from the air chamber, two sealing chambers and one cleaning chamber, the rest of the mounting shell is a drying chamber. A second filter plate is fixedly installed at the upper end of the drying chamber, and a third filter plate is fixedly installed at the lower end of the drying chamber.

7. A dust filtration device suitable for a nitrogen generator according to claim 2, characterized in that: The air-drying assembly includes a transmission gear, a mounting shaft, and blades. The mounting shaft is rotatably installed in the corresponding air-drying chamber. The upper end of the mounting shaft is fixedly installed with a transmission gear that meshes with a gear ring. The lower end of the mounting shaft is fixedly installed with blades.

8. A dust filtration device suitable for a nitrogen generator according to claim 1, characterized in that: The air chamber is equipped with an air inlet pipe and an air outlet pipe at its upper and lower ends.

9. A dust filtration device suitable for a nitrogen generator according to claim 1, characterized in that: The cleaning chamber is equipped with an inlet pipe and a drain pipe at its upper and lower ends.

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