CN211039029U

CN211039029U - Roots blower filter equipment

Info

Publication number: CN211039029U
Application number: CN201922168223.XU
Authority: CN
Inventors: 刘刚
Original assignee: Nantong Petrochemical Machinery Manufacturing Co ltd
Current assignee: Nantong Petrochemical Machinery Manufacturing Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-17
Anticipated expiration: 2029-12-06

Abstract

The utility model relates to a roots's fan technical field, specific roots's fan filter equipment that says so, including roots's fan, roots's fan's air intake connection has the air-supply line, the welding of air-supply line inner wall has the first boss that is used for accepting the cartridge filter, both ends all are the opening form about the cartridge filter, terminal surface threaded connection has the bottom under the cartridge filter, two sets of bracing pieces of bottom upper end fixedly connected with, upper end of the support bar fixedly connected with supporting shoe, the welding of cartridge filter inner wall has the second boss. The utility model filters the air twice and adsorbs once through the primary filter screen cylinder, the high-efficiency filter screen cylinder and the active carbon filter plate, can filter granular impurities in the air, adsorb peculiar smell pigment in the air, and prevent dust particles in the air from entering the Roots blower to cause abrasion to internal parts of the Roots blower; the cartridge filter, just imitate filter screen section of thick bamboo, high efficiency filter screen section of thick bamboo and the equal demountable installation of active carbon filter, the later stage cleaning maintenance of being convenient for.

Description

Roots blower filter equipment

Technical Field

The utility model relates to a roots's fan technical field specifically is a roots's fan filter equipment.

Background

The Roots blower is a positive displacement blower and is a rotary compressor which compresses and conveys gas by utilizing the relative movement of two blade-shaped rotors in a cylinder. Because the structure is simple, the manufacturing is convenient, the device is widely applied to the fields of aquaculture oxygenation, sewage treatment aeration, cement conveying and the like, is more suitable for a gas conveying and pressurizing system in a low-pressure occasion, and can also be used as a vacuum pump and the like. The roots blower is big in wind power, often can inhale some particulate matters or dust on every side often when inhaling the air and cause wearing and tearing to internals when the inside particulate matter of roots blower is more, consequently need install filter equipment in air intake department and filter the air, and current filter equipment structure is complicated, dismantles inconveniently for later maintenance is comparatively difficult, influences roots blower's use easily. Therefore, a Roots blower filtering device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a roots fan filter equipment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a Roots blower filtering device comprises a Roots blower, wherein an air inlet pipe is connected with an air inlet pipe of the Roots blower, a first boss for receiving a filter cartridge is welded on the inner wall of the air inlet pipe, the upper end and the lower end of the filter cartridge are both in an open shape, a bottom cover is in threaded connection with the lower end face of the filter cartridge, two groups of support rods are fixedly connected with the upper end of the bottom cover, a support block is fixedly connected with the upper end of each support rod, a second boss is welded on the inner wall of the filter cartridge, an active carbon filter plate is installed between each support block and the corresponding second boss, first vent holes are uniformly formed in the bottom cover, a high-efficiency filter screen cartridge is installed at the upper end in the filter cartridge, a third boss is integrally connected with the outer side of the upper end face of the high-efficiency filter screen cartridge, and the inner wall of the end cover is positioned at the second ventilation hole and is fixedly connected with a primary filter screen cylinder through bolts.

As a further optimization of the technical scheme, the primary filter screen cylinder extends into the high-efficiency filter screen cylinder.

As a further optimization of the technical scheme, the inner wall of the end cover is in contact with the third boss.

As a further optimization of the technical solution, the diameter of the second vent hole is larger than the diameter of the first vent hole.

As the further optimization of this technical scheme, the primary filter screen section of thick bamboo is a metal filter screen section of thick bamboo, a high-efficient filter screen section of thick bamboo is a HEPA filter screen section of thick bamboo.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model filters the air twice and adsorbs once through the primary filter screen cylinder, the high-efficiency filter screen cylinder and the active carbon filter plate, can filter granular impurities in the air, adsorb peculiar smell pigment in the air, and prevent dust particles in the air from entering the Roots blower to cause abrasion to internal parts of the Roots blower; the cartridge filter, just imitate filter screen section of thick bamboo, high efficiency filter screen section of thick bamboo and the equal demountable installation of active carbon filter, the later stage cleaning maintenance of being convenient for.

Drawings

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

fig. 2 is the utility model discloses air intake pipe side cut open structure schematic diagram.

In the figure: 1 roots's fan, 2 air-supply lines, 3 cartridge filter, 4 first boss, 5 bottom, 6 bracing pieces, 7 supporting shoes, 8 second bosses, 9 active carbon filter, 10 first ventilation holes, 11 high-efficient filter screen section of thick bamboos, 12 third boss, 13 end covers, 14 second ventilation holes, 15 primary efficiency filter screen section of thick bamboos.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a Roots blower filtering device comprises a Roots blower 1, an air inlet of the Roots blower 1 is connected with an air inlet pipe 2, the inner wall of the air inlet pipe 2 is welded with a first boss 4 for receiving a filter cartridge 3, the upper end and the lower end of the filter cartridge 3 are both in an open shape, the lower end face of the filter cartridge 3 is in threaded connection with a bottom cover 5, the upper end of the bottom cover 5 is fixedly connected with two groups of supporting rods 6, the upper end of each supporting rod 6 is fixedly connected with a supporting block 7, the inner wall of the filter cartridge 3 is welded with a second boss 8, an active carbon filtering plate 9 is arranged between the supporting block 7 and the,

an efficient filter screen cylinder 11 is installed at the upper end in the filter cylinder 3, and when the efficient filter screen cylinder 11 is specifically arranged, an HEPA filter screen cylinder can be selected for the efficient filter screen cylinder, so that air entering the air inlet pipe 2 can be efficiently filtered, and particle impurities in the air can be removed. The outside integrated into one piece of high-efficient filter screen section of thick bamboo 11 up end outside is connected with third boss 12, and third boss 12 is accepted in cartridge filter 3 upper end, and 2 terminal outside threaded connection of air-supply line have end cover 13, and the 13 inner walls of end cover contact with third boss 12 for end cover 13 supports high-efficient filter screen section of thick bamboo 11, thereby fixes high-efficient filter screen section of thick bamboo 11 and cartridge filter 3 between end cover 13 and first boss 4.

The end cover 13 is uniformly provided with second ventilation holes 14, when the end cover is specifically arranged, the diameter of the second ventilation holes 14 is larger than that of the first ventilation holes 10, and the second ventilation holes 14 are used for introducing outside air into the air inlet pipe 2. End cover 13 inner wall just is located 14 departments of second venthole and passes through bolt fixedly connected with and just imitates a filter screen section of thick bamboo 15, and during concrete setting, just imitates a filter screen section of thick bamboo 15 optional metal filter screen section of thick bamboo, just imitates filter screen section of thick bamboo 15 and stretches into high-efficient filter screen section of thick bamboo 11, and the wind that enters into in the air-supply line 2 at first gets into just imitates filter screen section of thick bamboo 15, carries out the first filtration to the air through just imitating filter screen section of thick bamboo 15, filters the great graininess impurity of air.

Specifically, when the air purifier is used, external air enters the air inlet pipe 2 through the second vent hole 14, firstly enters the primary filter screen cylinder 15, is primarily filtered through the primary filter screen cylinder 15, filters larger granular impurities of the air, enters the high-efficiency filter screen cylinder 11 through the primarily filtered air, is secondarily filtered through the high-efficiency filter screen cylinder 11, filters the granular impurities in the air, flows out of the high-efficiency filter screen cylinder 11 through the secondarily filtered air, is adsorbed through the activated carbon filter plate 9, adsorbs peculiar smell pigments in the air, and finally enters the lower end of the air inlet pipe 2 from the first vent hole 10 and is continuously conveyed through the Roots blower 1; when clean, open end cover 13, can demolish the primary filter screen section of thick bamboo 15 from end cover 13 lower extreme, can directly take high-efficient filter screen section of thick bamboo 11 and take out from cartridge filter 3, take cartridge filter 3 out from air-supply line 2, open bottom 5, can take out from cartridge filter 3 with active carbon filter 9, overall structure conveniently dismantles, the clean maintenance of being convenient for.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a roots's fan filter equipment, includes roots's fan (1), its characterized in that: the air inlet of the Roots blower (1) is connected with an air inlet pipe (2), the inner wall of the air inlet pipe (2) is welded with a first boss (4) used for receiving the filter cartridge (3), the upper end and the lower end of the filter cartridge (3) are both in an open shape, the lower end face of the filter cartridge (3) is in threaded connection with a bottom cover (5), the upper end of the bottom cover (5) is fixedly connected with two sets of support rods (6), the upper end of each support rod (6) is fixedly connected with a support block (7), the inner wall of the filter cartridge (3) is welded with a second boss (8), an active carbon filter plate (9) is installed between the support block (7) and the second boss (8), the bottom cover (5) is uniformly provided with first ventilation holes (10), the inner upper end of the filter cartridge (3) is provided with a high-efficiency filter screen cylinder (11), the third boss (12) is connected to the upper end of the filter cartridge (3), the outer side of the tail end of the air inlet pipe (2) is in threaded connection with an end cover (13), second ventilation holes (14) are evenly formed in the end cover (13), and the inner wall of the end cover (13) is located in the second ventilation holes (14) and is fixedly connected with a primary filter screen cylinder (15) through bolts.

2. The roots blower filter device according to claim 1, wherein: the primary filter screen cylinder (15) extends into the high-efficiency filter screen cylinder (11).

3. The roots blower filter device according to claim 1, wherein: the inner wall of the end cover (13) is in contact with the third boss (12).

4. The roots blower filter device according to claim 1, wherein: the diameter of the second vent hole (14) is larger than that of the first vent hole (10).

5. The roots blower filter device according to claim 1, wherein: the primary filter screen cylinder (15) is a metal filter screen cylinder, and the high-efficiency filter screen cylinder (11) is an HEPA filter screen cylinder.