CN219091458U - Improved dust fine filter device - Google Patents

Abstract

The utility model discloses an improved dust fine filter device which comprises a cylindrical shell which is vertically arranged, an upper cover plate and a lower cover plate are respectively and fixedly arranged at the top end and the lower end of the shell, a filter element is coaxially arranged in the shell, an air inlet pipe and an air outlet pipe are arranged on the outer wall of the shell, a purging pipe is coaxially arranged in the filter element, the purging pipe extends out of the upper cover plate, and a plurality of purging spray heads are arranged on the purging pipe along the vertical direction; the utility model has the beneficial effects that: the dust filter has a simple structure, a compressed air purging pipeline is added on the basis of the existing dust fine filter, and the filter core can be rotated while purging, so that the dust filter is purged in an omnibearing manner, the cleaning is more thorough, the filter core can be rotated at a high speed when the dust filter is matched with a motor for use, dust on the filter core is separated by huge centrifugal force, and the dust filter is convenient and quick to operate as a whole, and is worthy of being popularized and used in a large range.

Description

Improved dust fine filter device

Technical field:

the utility model relates to the technical field of air dust filtration, in particular to an improved dust fine filter device.

The background technology is as follows:

the nitrogen production process generally uses carbon molecular sieve as adsorbent, and utilizes the principles of pressure adsorption, depressurization and desorption to adsorb and release oxygen from air so as to separate nitrogen, and its basic process is

Air is compressed by an air compressor, passes through a wet air buffer tank, then enters a high-efficiency gas-liquid separator, a freezing type air dryer, an adsorption cylinder and a dust fine filter, enters the air buffer tank, and enters an adsorption tower through an air inlet valve and a left suction air inlet valve to obtain nitrogen; the dust fine filter mainly filters dust in air, prevents dust from blocking a subsequent carbon molecular sieve, the core component of the existing dust fine filter is a cylindrical filter element, the filter element is generally formed by a fiber medium, a filter screen, a sponge and other layers, dust particles in the air are filtered and then are blocked, collected on the surface of the filter element, the filter element can be blocked after being used for a period of time to cause the increase of internal pressure, the filter element needs to be replaced regularly, the empty filter needs to be detached and cleaned, the labor and the effort are wasted, the working efficiency is low, and a backwashing device is designed for the part of enterprises to perform backwashing on the filter element, but the effect is poor, and the full-direction thorough cleaning is difficult to achieve due to the cylindrical structure of the filter element.

The utility model comprises the following steps:

the utility model aims to provide an improved dust fine filter device which solves the technical problems that a dust fine filter is difficult to clean and is not thoroughly cleaned.

The utility model comprises the following steps: the utility model provides an improved dust fine filter device, its includes the tubular casing of vertical setting top and the low end of casing are fixed mounting respectively have upper cover plate and lower apron coaxial in the casing be provided with the filter core, install intake pipe, outlet duct on the outer wall of casing install the dust exhaust pipe on the lower apron, just install the valve on intake pipe, outlet duct, the dust exhaust pipe coaxial in the filter core is provided with sweeps the pipe, it extends to outside the upper cover plate sweep and install a plurality of on the pipe and sweep the shower nozzle along vertical direction the square hole has been seted up to the bottom of filter core offer on the lower apron with square hole position assorted through-hole the outer bolt fastening of through-hole covers has sealed lid.

Further, a cutting ring plate is horizontally and fixedly arranged in the shell, a hanging plate is fixedly connected to the top end of the filter element, the filter element is in multifunctional connection with an inner hole of the cutting ring plate, and the outer diameter of the hanging plate is larger than the inner diameter of the cutting ring plate.

Further, a sealing ring is arranged on the bottom surface of the hanging plate.

Further, a threaded through hole is formed in the upper cover plate, a fastening nail is screwed in the threaded through hole, and the sealing ring is extruded on the dividing ring plate by the fastening nail.

Further, a magnet sheet is arranged at the bottom of the square hole.

Further, sealing gaskets are arranged between the shell and the upper cover plate and between the shell and the lower cover plate.

Further, a pressure gauge is mounted on the housing.

Further, a transparent viewing window is mounted at the bottom of the housing.

The utility model has the beneficial effects that: the dust filter has a simple structure, a compressed air purging pipeline is added on the basis of the existing dust fine filter, and the filter core can be rotated while purging, so that the dust filter is purged in an omnibearing manner, the cleaning is more thorough, the filter core can be rotated at a high speed when the dust filter is matched with a motor for use, dust on the filter core is separated by huge centrifugal force, and the dust filter is convenient and quick to operate as a whole, and is worthy of being popularized and used in a large range.

Description of the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

in the figure, a shell 1, an upper cover plate 2, a lower cover plate 3, an air inlet pipe 4, an air outlet pipe 5, a dust exhaust pipe 6, a filter element 7, a dividing ring plate 8, square holes 9, through holes 10, fastening nails 11, an observation window 12, a pressure gauge 13, a purging pipe 14, a purging nozzle 15, a hanging plate 16 and a motor 17.

The specific embodiment is as follows:

as shown in fig. 1, an improved dust fine filter device comprises a cylindrical shell 1 which is vertically arranged, an upper cover plate 2 and a lower cover plate 3 are respectively and fixedly arranged at the top end and the low end of the shell 1, a filter element 7 is coaxially arranged in the shell 1, an air inlet pipe 4 and an air outlet pipe 5 are arranged on the outer wall of the shell 1, a dust exhaust pipe 6 is arranged on the lower cover plate 3, valves are arranged on the air inlet pipe 4, the air outlet pipe 5 and the dust exhaust pipe 6, a purging pipe 14 is coaxially arranged in the filter element 7, the purging pipe 14 extends out of the upper cover plate 2, a plurality of purging spray heads 15 are arranged on the purging pipe 14 along the vertical direction, a square hole 9 is formed at the bottom end of the filter element 7, a through hole 10 matched with the square hole 9 is formed in the lower cover plate 3, and a sealing cover is fixedly covered outside the through hole through bolts; a dividing ring plate 8 is horizontally and fixedly arranged in the shell 1, a hanging plate 16 is fixedly connected to the top end of the filter element 7, the filter element 7 is in multifunctional connection with an inner hole of the dividing ring plate 8, and the outer diameter of the hanging plate 16 is larger than the inner diameter of the dividing ring plate 8; a sealing ring is arranged on the bottom surface of the hanging plate 16; a threaded through hole is formed in the upper cover plate 2, a fastening nail 11 is screwed in the threaded through hole, and the fastening nail 11 extrudes the sealing ring on the dividing ring plate 8; a magnet sheet is arranged at the bottom of the square hole 9; sealing gaskets are arranged between the shell 1 and the upper cover plate 2 and between the shell 1 and the lower cover plate 3; a pressure gauge 13 is mounted on the housing 1; a transparent viewing window 12 is mounted at the bottom of the housing 1.

Working principle: during normal operation, air gets into, filters, dust granule by the separation at filter core 7 surface through filter core 7 from intake pipe 4, and the air after evolving is discharged from outlet duct 5, and after the vertical setting value that increases of manometer 13, it is comparatively serious to indicate that filter core 7 blocks up, can sweep the operation this moment: firstly, the fastening nails 11 are unscrewed, then the sealing cover is opened, the motor 17 can be held by hand (the impact drill body can be selected to replace), the transmission shaft of the motor 17 is inserted into the square hole 9, meanwhile, the air valve on the purging pipe 14 is started, high-pressure air is sprayed out from the purging nozzle 15, the motor 17 is started to enable the filter element 7 to rotate at a high speed, and the filter element 7 is thoroughly cleaned in all directions by utilizing the double functions of centrifugal force and compressed air purging.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. The utility model provides a modified dust fine filter device, its includes tubular casing (1) of vertical setting top and low-end fixed mounting respectively have upper cover plate (2) and lower apron (3) coaxial filter core (7) that are provided with in casing (1), install intake pipe (4), outlet duct (5) on the outer wall of casing (1) install dust exhaust pipe (6) on lower apron (3), just install the valve on intake pipe (4), outlet duct (5), dust exhaust pipe (6), its characterized in that: the filter element (7) is internally and coaxially provided with a purging pipe (14), the purging pipe (14) extends to the outside of the upper cover plate (2), a plurality of purging spray heads (15) are arranged on the purging pipe (14) along the vertical direction, square holes (9) are formed in the bottom end of the filter element (7), through holes (10) matched with the square holes (9) in position are formed in the lower cover plate (3), and sealing covers are fixedly covered outside the through holes through bolts.

2. An improved dust fine filter apparatus as defined in claim 1, wherein: the filter element is characterized in that a segmentation annular plate (8) is horizontally and fixedly arranged in the shell (1), a hanging plate (16) is fixedly connected to the top end of the filter element (7), the filter element (7) is connected with an inner hole of the segmentation annular plate (8) in a flower multifunctional mode, and the outer diameter of the hanging plate (16) is larger than the inner diameter of the segmentation annular plate (8).

3. An improved dust fine filter apparatus as defined in claim 2, wherein: a sealing ring is arranged on the bottom surface of the hanging plate (16).

4. An improved dust fine filter apparatus as defined in claim 3, wherein: the upper cover plate (2) is provided with a threaded through hole, a fastening nail (11) is screwed in the threaded through hole, and the fastening nail (11) extrudes the sealing ring on the partition ring plate (8).

5. An improved dust fine filter apparatus as defined in claim 1, wherein: and a magnet sheet is arranged at the bottom of the square hole (9).

6. An improved dust fine filter apparatus as defined in claim 1, wherein: sealing gaskets are arranged between the shell (1) and the upper cover plate (2) and between the shell (1) and the lower cover plate (3).

7. An improved dust fine filter apparatus as defined in claim 1, wherein: a pressure gauge (13) is mounted on the housing (1).

8. An improved dust fine filter apparatus as defined in claim 1, wherein: a transparent observation window (12) is arranged at the bottom of the shell (1).

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