CN215539289U

CN215539289U - Air filter device is used in production of liquid oxygen liquid nitrogen

Info

Publication number: CN215539289U
Application number: CN202122312908.4U
Authority: CN
Inventors: 孙永红; 邓军如; 邓学文
Original assignee: Jiangxi Ganxing Gas Co Ltd
Current assignee: Jiangxi Ganxing Gas Co Ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-01-18
Anticipated expiration: 2031-09-24

Abstract

The utility model relates to the technical field of liquid oxygen and liquid nitrogen production, and discloses an air filtering device for liquid oxygen and liquid nitrogen production, which solves the problem that impurities between two filter screens are not easy to clean and comprises a shell, wherein a front cover is in threaded connection with one side of the shell, rotating handles are symmetrically arranged on one side of the front cover, an air inlet is formed in the middle of the front cover, a first filtering assembly is arranged on one side of the front cover, an air outlet pipe is arranged at the top end of the shell, and the first filtering assembly comprises a filter cartridge arranged on one side of the front cover; in the utility model, in operation, the first filter plate and the second filter plate are symmetrically arranged at two sides of the air outlet hole, so that when air flows, the air passes through the filter holes on the first filter plate and the second filter plate from the same side, particle impurities in the air are blocked at one side close to the front cover, and the impurities at one side of the first filter plate and the second filter plate can be cleaned only by unscrewing the front cover, thereby improving the convenience of cleaning.

Description

Air filter device is used in production of liquid oxygen liquid nitrogen

Technical Field

The utility model belongs to the technical field of liquid oxygen and liquid nitrogen production, and particularly relates to an air filtering device for liquid oxygen and liquid nitrogen production.

Background

Liquid oxygen is the form of oxygen in a liquid state, and has important industrial application, the liquid oxygen is light blue liquid and has strong paramagnetism, the liquid nitrogen is liquid nitrogen and is inert, colorless, odorless, non-corrosive and non-flammable, the temperature is extremely low, the nitrogen forms most of the atmosphere, the nitrogen is inactive and does not support combustion, a large amount of heat absorption contact during vaporization causes frostbite, and the air needs to be filtered firstly during the production of the liquid oxygen and the liquid nitrogen.

The prior air filtering device is generally provided with a plurality of filtering plates with different filtering hole apertures in sequence to filter air, so that when equipment is cleaned, impurities between two adjacent filtering plates are inconvenient to clean.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the air filtering device for producing liquid oxygen and liquid nitrogen, and the problem that impurities between two filter screens are not easy to clean is effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an air filter equipment is used in production of liquid oxygen liquid nitrogen, includes the casing, one side threaded connection of casing has the protecgulum, and one side symmetry of protecgulum is installed and is changeed the handle, and the air inlet has been seted up at the middle part of protecgulum, and first filtering component is installed to one side of protecgulum, and the outlet duct is installed on the top of casing.

Preferably, first filtering component is including installing in the cartridge filter of protecgulum one side, and the internally mounted of cartridge filter has first filter, and the venthole has been seted up to the bottom equidistance of cartridge filter, and the output shaft has been cup jointed in the inside rotation of cartridge filter, and the clamp plate is installed to the angle such as the outside of output shaft, and the roof is installed to one side of clamp plate, and the motor is installed to the one end of output shaft, and second filtering component is still installed in the outside of output shaft.

Preferably, first filtration pore is seted up to the inside of first filter, and the bottom fan-shaped region of first filter does not set up first filtration pore, and the contained angle between fan-shaped regional angle and two adjacent clamp plates equals, and the diameter of roof is the same with the internal diameter of cartridge filter.

Preferably, the second filtering component comprises a connecting plate arranged on the outer side of the output shaft, a connecting rod is arranged on one side of the connecting plate at equal angles, a rotating ring is arranged on one side of the connecting rod, fan blades are arranged on the inner wall of the rotating ring at equal angles, a second filtering plate is arranged on one side of the rotating ring, and the second filtering plate is fixedly arranged on the inner wall of the shell.

Preferably, a snap ring is installed on one side of the connecting plate and is clamped with the filter cartridge.

Preferably, the fan blades are inclined, and the air outlet pipe is positioned above the connecting rod.

Preferably, the second filter sets up to be cyclic annular, and the second filter filtration pore has been seted up on the surface of second filter, and the diameter that the second filtered the pore is less than the diameter of first filtration pore, and first filter and second filter symmetry set up the both sides at the venthole.

Compared with the prior art, the utility model has the beneficial effects that:

1) in the work, the first filter plate and the second filter plate are symmetrically arranged at two sides of the air outlet hole, so that when air flows, the air passes through the filter holes on the first filter plate and the second filter plate from the same side, particle impurities in the air are blocked at one side close to the front cover, the impurities at one side of the first filter plate and the second filter plate can be cleaned only by unscrewing the front cover, and the cleaning convenience is improved;

2) the bottom at the cartridge filter is set up through the venthole that sets up to make when the second filter filters the air that gets into, the particle impurity that is blockked by the second filter this moment falls into the casing inside downwards, and can not follow the venthole and get into inside the cartridge filter, improve the inside clean degree of casing.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of the present invention;

FIG. 3 is a schematic view of a second filter assembly according to the present invention;

FIG. 4 is a schematic diagram of a connecting plate structure according to the present invention;

FIG. 5 is a schematic view of the filter cartridge of the present invention;

FIG. 6 is a schematic view of the internal structure of the filter cartridge of the present invention;

FIG. 7 is a schematic diagram of a second filter plate structure according to the present invention.

In the figure: 1. a housing; 2. a front cover; 3. turning a handle; 4. an air inlet; 5. a first filter assembly; 501, filtering a cartridge; 502. a first filter plate; 503. an air outlet; 504. a motor; 505. an output shaft; 506. a top plate; 507. pressing a plate; 6. a second filter assembly; 601. a connecting plate; 602. a connecting rod; 603. a snap ring; 604. rotating the ring; 605. a fan blade; 606. a second filter plate; 7. and an air outlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 7, the present invention includes a housing 1, a front cover 2 is screwed to one side of the housing 1, rotating handles 3 are symmetrically installed to one side of the front cover 2, an air inlet 4 is opened in the middle of the front cover 2, a first filtering component 5 is installed to one side of the front cover 2, and an air outlet pipe 7 is installed at the top end of the housing 1;

after filtering, unscrew protecgulum 2 this moment, take out cartridge filter 501 in the casing 1, derive the particle impurity of second filter 606 one side and first filter 502 one side to wash second filter 606 one side and first filter 502 one side, after the washing, twist protecgulum 2 again.

In the second embodiment, on the basis of the first embodiment, the first filter assembly 5 includes a filter cartridge 501 installed on one side of the front cover 2, a first filter plate 502 is installed inside the filter cartridge 501, air outlet holes 503 are equidistantly formed in the bottom end of the filter cartridge 501, an output shaft 505 is rotatably sleeved inside the filter cartridge 501, a pressing plate 507 is installed on the outer side of the output shaft 505 at an equal angle, a top plate 506 is installed on one side of the pressing plate 507, a motor 504 is installed at one end of the output shaft 505, a second filter assembly 6 is further installed on the outer side of the output shaft 505, first filter holes are formed inside the first filter plate 502, a fan-shaped area at the bottom end of the first filter plate 502 is not provided with the first filter holes, the angle of the fan-shaped area is equal to the included angle between two adjacent pressing plates 507, and the diameter of the top plate 506 is the same as the inner diameter of the filter cartridge 501;

An air inlet pipe is fixed in the air inlet 4, at the moment, air is introduced into the filter cylinder 501 from the air inlet pipe, at the moment, the air moves forwards and passes through the filter holes on the surface of the first filter plate 502, the first filter plate 502 keeps large-particle impurities in the air at one side of the first filter plate 502, the motor 504 is started, as the top plate 506 and the output shaft 505 are installed at the outer side of the output shaft 505 installed at one end of the motor 504, the diameter of the top plate 506 is the same as the inner diameter of the filter cylinder 501, when the air enters the other side of the first filter plate 502, the air is blocked between the top plate 506 and the first filter plate 502 by the top plate 506, one side of the pressing plate 507 is tightly attached to the surface of the first filter plate 502, the output shaft 505 is driven to rotate after the motor 504 is started, the pressing plate 507 is driven to rotate, and the fan-shaped area at the bottom end of the motor 504 is not provided with the first filter holes, so that the air can only pass through the first filter holes at the top end of the first filter plate 502, and enters between two pressing plates 507, when the pressing plates 507 rotate to the area without the filter holes on the first filter plate 502, the pressing plates 507 rotate at the moment, and the filtered air is pressed against the air outlet holes 503, so that the air is diffused towards the lower part of the air outlet holes 503 and enters the outer side of the filter cylinder 501, and the first filtration is completed.

Third embodiment, on the basis of the second embodiment, the second filter assembly 6 includes a connecting plate 601 installed outside the output shaft 505, a connecting rod 602 is installed at one side of the connecting plate 601 at an equal angle, a rotating ring 604 is installed at one side of the connecting rod 602, fan blades 605 are installed at an equal angle on the inner wall of the rotating ring 604, a second filter plate 606 is installed at one side of the rotating ring 604, the second filter plate 606 is fixedly installed on the inner wall of the housing 1, a clamping ring 603 is installed at one side of the connecting plate 601, the clamping ring 603 is clamped with the filter cartridge 501, the fan blades 605 are arranged obliquely, the air outlet pipe 7 is located above the connecting rod 602, the second filter plate 606 is arranged in a ring shape, second filter holes are formed in the surface of the second filter plate 606, the diameter of the second filter holes is smaller than that of the first filter holes, and the first filter plate 502 and the second filter plate 606 are symmetrically arranged at two sides of the air outlet holes 503;

because the connecting plate 601 is installed on the outer side of the output shaft 505, the rotating ring 604 is installed on one side of the connecting plate 601, and the fan blade 605 on the inner wall of the rotating ring 604 is obliquely arranged, when the motor 504 drives the output shaft 505 to rotate, the fan blade 605 is driven to rotate, and then negative pressure is generated on one side of the second filter plate 606 after the fan blade 605 rotates, and then air near the air outlet hole 503 is driven to be sucked into the rotating ring 604 through the second filter plate 606 from the bottom end of the air outlet hole 503, and the air passes through the second filter plate 606 for secondary filtration, because the first filter plate 502 and the second filter plate 606 are symmetrically arranged on two sides of the air outlet hole 503, in the air flowing process, the air passes through the same side of the first filter plate 502 and the second filter plate 606, and particulate impurities filtered out are left on one side close to the front cover 2, and the air continuously enters, so that the air in the rotating ring 604 is pressed out from the air outlet pipe 7, the second filtration is complete.

The working principle is as follows: when the air filter is in operation, firstly, an air inlet pipe is fixed in the air inlet 4, at the moment, air is introduced into the filter cylinder 501 from the air inlet pipe, at the moment, the air moves forwards and passes through the filter holes on the surface of the first filter plate 502, the first filter plate 502 keeps large-particle impurities in the air at one side of the first filter plate 502, the motor 504 is started, because the top plate 506 and the output shaft 505 are installed at the outer side of the output shaft 505 installed at one end of the motor 504, and the diameter of the top plate 506 is the same as the inner diameter of the filter cylinder 501, when the air enters the other side of the first filter plate 502, the air is blocked between the top plate 506 and the first filter plate 502 by the top plate 506, and one side of the pressing plate 507 is tightly attached to the surface of the first filter plate 502, after the motor 504 is started, the output shaft 505 is driven to rotate, the pressing plate 507 is driven to rotate, and the fan-shaped area at the bottom end of the motor 504 is not provided with the first filter holes, so that the air can only pass through the first filter holes at the top end of the first filter plate 502, and enter between two pressing plates 507, when the pressing plate 507 rotates to the area without filter hole on the first filter plate 502, the pressing plate 507 rotates at the moment, the filtered air is pressed against the air outlet 503, so that the air is diffused towards the lower part of the air outlet 503 and enters the outer side of the filter cartridge 501;

Since the outer side of the output shaft 505 is installed with the connection board 601, and one side of the connection board 601 is installed with the rotation ring 604, and the fan blade 605 on the inner wall of the rotation ring 604 is arranged obliquely, so that when the motor 504 drives the output shaft 505 to rotate, the fan blade 605 is driven to rotate, and then after the fan blade 605 rotates, negative pressure is generated at one side of the second filter plates 606, and then the air near the air outlet holes 503 is driven to be sucked into the inside of the rotary ring 604 through the second filter plates 606 from the bottom ends of the air outlet holes 503, and the air passes through the second filter plates 606 to be filtered for the second time, since the first filter plates 502 and the second filter plates 606 are symmetrically disposed at both sides of the gas outlet holes 503, so that, during the air flow, both pass through the same side of the first filter plates 502 and the second filter plates 606, therefore, the filtered particle impurities are kept at one side close to the front cover 2, and the air continuously enters along with the air, so that the air in the rotating ring 604 is pressed out from the air outlet pipe 7;

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air filter equipment is used in production of liquid oxygen liquid nitrogen, includes casing (1), its characterized in that: one side threaded connection of casing (1) has protecgulum (2), and one side symmetry of protecgulum (2) is installed and is changeed (3), and air inlet (4) have been seted up at the middle part of protecgulum (2), and first filtering component (5) are installed to one side of protecgulum (2), and outlet duct (7) are installed on the top of casing (1).

2. The air filtering device for producing liquid oxygen and liquid nitrogen as claimed in claim 1, wherein: first filtering component (5) are including installing in cartridge filter (501) of protecgulum (2) one side, the internally mounted of cartridge filter (501) has first filter (502), venthole (503) have been seted up to the bottom equidistance of cartridge filter (501), output shaft (505) have been cup jointed in the inside rotation of cartridge filter (501), clamp plate (507) are installed to the angle such as the outside of output shaft (505), roof (506) are installed to one side of clamp plate (507), motor (504) are installed to the one end of output shaft (505), second filtering component (6) are still installed in the outside of output shaft (505).

3. The air filtering device for producing liquid oxygen and liquid nitrogen as claimed in claim 2, wherein: first filtration hole has been seted up to the inside of first filter (502), and the bottom fan-shaped region of first filter (502) does not set up first filtration hole, and the contained angle between fan-shaped regional angle and two adjacent clamp plates (507) equals, and the diameter of roof (506) is the same with the internal diameter of cartridge filter (501).

4. The air filtering device for producing liquid oxygen and liquid nitrogen as claimed in claim 2, wherein: the second filter assembly (6) comprises a connecting plate (601) arranged on the outer side of the output shaft (505), a connecting rod (602) is arranged at one side of the connecting plate (601) at equal angles, a rotating ring (604) is arranged at one side of the connecting rod (602), fan blades (605) are arranged at the inner wall of the rotating ring (604) at equal angles, a second filter plate (606) is arranged at one side of the rotating ring (604), and the second filter plate (606) is fixedly connected with the inner wall of the shell (1).

5. The air filtering device for producing liquid oxygen and liquid nitrogen as claimed in claim 4, wherein: snap ring (603) are installed to one side of connecting plate (601), and snap ring (603) and cartridge filter (501) joint.

6. The air filtering device for producing liquid oxygen and liquid nitrogen as claimed in claim 4, wherein: the fan blades (605) are arranged obliquely, and the air outlet pipe (7) is positioned above the connecting rod (602).

7. The air filtering device for producing liquid oxygen and liquid nitrogen as claimed in claim 4, wherein: the setting of second filter (606) is cyclic annular, and the second filter hole has been seted up on the surface of second filter (606), and the diameter that the second filtered the hole is less than the diameter of first filter hole, and first filter (502) and second filter (606) symmetry set up the both sides at venthole (503).