CN212548672U

CN212548672U - Noise elimination filter equipment for vacuum pump

Info

Publication number: CN212548672U
Application number: CN202020683990.4U
Authority: CN
Inventors: 李剑
Original assignee: Shenzhen Aizhurui Technology Co ltd
Current assignee: Shenzhen Aizhurui Technology Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-02-19
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a noise elimination filter equipment for vacuum pump, including air inlet pipe, muffler pipe and cartridge filter, its characterized in that: one end of the silencing pipe is open, the other end of the silencing pipe is provided with an air inlet, the other end of the silencing pipe is fixedly connected with one end of the air inlet connecting pipe, the inner wall of the silencing pipe is fixedly connected with sound-absorbing cotton, the inner wall of the air inlet end of the silencing pipe is fixedly connected with a sealing ring, the filtering cylinder is positioned in the silencing pipe, the outer wall of the air inlet end of the filtering cylinder is tightly attached to the outer wall of the sealing ring, and the outer wall of the filtering cylinder is uniformly provided with a plurality of through holes; the utility model discloses a set up cartridge filter, primary filter layer, essence layer, adsorbed layer and be, can carry out the multiple-layer filtration to the vacuum pump combustion gas to carry out separation and absorption to harmful substance in the gas, oil drop, water droplet etc. can effectively avoid causing the pollution to the environment, protected simultaneously that the staff's is healthy.

Description

Noise elimination filter equipment for vacuum pump

Technical Field

The utility model relates to a filter equipment specifically is a noise elimination filter equipment for vacuum pump.

Background

The vacuum pump refers to a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physicochemical method. In general, a vacuum pump is a device for improving, generating and maintaining a vacuum in a certain closed space by various methods. Vacuum pumps can be basically classified into two types, i.e., a gas trap pump and a gas transfer pump, according to the operating principle of the vacuum pump. It is widely used in metallurgy, chemical industry, food, electronic coating and other industries.

When the vacuum pump operates, the exhaust end can be because of producing powerful noise pollution to according to the difference of operational environment simultaneously, its combustion gas often carries with the produced oil droplet of a large amount of harmful substance and lubricated oil gasification, not only can cause the pollution to the environment, can cause the injury to staff's health simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a noise elimination filter equipment for vacuum pump 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:

the utility model provides a noise elimination filter equipment for vacuum pump, includes that the air inlet is taken over, noise elimination pipe and cartridge filter, its characterized in that: one end of the silencing pipe is open, the other end of the silencing pipe is provided with an air inlet, the other end of the silencing pipe is fixedly connected with one end of the air inlet connecting pipe, the inner wall of the silencing pipe is fixedly connected with sound absorbing cotton, the inner wall of the air inlet end of the silencing pipe is fixedly connected with a sealing ring, the filter cartridge is positioned in the silencing pipe, the outer wall of the air inlet end of the filter cartridge is tightly attached to the outer wall of the sealing ring, the outer wall of the filter cartridge is uniformly provided with a plurality of through holes, the inner wall of the filter cartridge is provided with a filter core, the inner wall of the open end of the silencing pipe is uniformly and fixedly connected with a plurality of mounting blocks, the outer wall of the filter cartridge is uniformly and fixedly connected with a plurality of fixing blocks, the corresponding positions of the outer wall of the fixing blocks and the threaded holes are provided, and the threaded end of the bolt penetrates through the fixing hole and then is connected with the threaded hole in a matching way through threads.

As a further aspect of the present invention: the filter element comprises an adsorption layer, a fine filtration layer is arranged on the inner wall of the adsorption layer, and a primary filtration layer is arranged on the inner wall of the fine filtration layer.

As a further aspect of the present invention: a plurality of silencing rings are uniformly arranged on the inner wall of the sound absorbing cotton.

As a further aspect of the present invention: the silencing pipe is of a double-layer structure, a sealed inner cavity is arranged in a shell of the silencing pipe, and the inner cavity is in a vacuum state.

As a further aspect of the present invention: the blind end of cartridge filter is the toper shrink, the blind end center department of cartridge filter runs through and is provided with the blowoff valve.

As a further aspect of the present invention: and a safety valve penetrates through the outer wall of the air inlet connecting pipe.

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

1. the utility model discloses a set up cartridge filter, primary filter layer, essence layer, adsorbed layer and be, can carry out the multiple-layer filtration to the vacuum pump combustion gas to carry out separation and absorption to harmful substance in the gas, oil drop, water droplet etc. can effectively avoid causing the pollution to the environment, protected simultaneously that the staff's is healthy.

2. The utility model discloses a setting is inhaled sound cotton, noise elimination ring etc. can carry out effectual absorption to the noise, and noise elimination ring can carry out the separation to the gas of being gone into in the noise elimination pipe by the through-hole simultaneously to slow down its velocity of flow, play good noise reduction effect then, greatly reduced the noise pollution of vacuum pump exhaust end.

3. The utility model discloses simple structure is convenient for produce, is convenient for dismantle the cartridge filter simultaneously to change the filter core, excellent in use effect.

Drawings

Fig. 1 is a schematic structural view of a muffling and filtering device for a vacuum pump.

Fig. 2 is an enlarged view at B in fig. 1.

Fig. 3 is an enlarged view of a point a in fig. 1.

Wherein, the air inlet pipe 1, the safety valve 2, the muffler pipe 3, the inner cavity 4, the sound-absorbing cotton 5, the muffler ring 6, the sealing ring 7, the filter cartridge 8, the blowoff valve 9, the through hole 10, the filter core 11, the bolt 12, the primary filter layer 13, the fine filter layer 14, the adsorption layer 15, the mounting block 16, the threaded hole 17, the fixing block 18 and the fixing hole 19.

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 to 3, in an embodiment of the present invention, a muffling and filtering device for a vacuum pump includes an air inlet pipe 1, a muffling tube 3 and a filtering cylinder 8, wherein one end of the muffling tube 3 is open, an air inlet is formed at the other end of the muffling tube 3, the other end of the muffling tube 3 is fixedly connected to one end of the air inlet pipe 1, an acoustic absorbent 5 is fixedly connected to an inner wall of the muffling tube 3, a sealing ring 7 is fixedly connected to an inner wall of the air inlet end of the muffling tube 3, the filtering cylinder 8 is located in the muffling tube 3, an outer wall of the air inlet end of the filtering cylinder 8 is tightly attached to an outer wall of the sealing ring 7, a plurality of through holes 10 are uniformly formed in an outer wall of the filtering cylinder 8, a filtering core 11 is disposed on an inner wall of the filtering cylinder 8, a plurality of mounting blocks 16 are uniformly and fixedly connected to an inner wall of, the outer wall of fixed block 18 and the department that corresponds of screw hole 17 seted up fixed orifices 19, the lateral wall of fixed block 18 is provided with a plurality of bolts 12, passes behind fixed orifices 19 through the screw thread and is connected with screw hole 17 cooperation.

The filter element 11 comprises an adsorption layer 15, a fine filtration layer 14 is arranged on the inner wall of the adsorption layer 15, a primary filter layer 13 is arranged on the inner wall of the fine filtration layer 14, the main materials of the rest primary filter layers 13 of the fine filtration layer 14 are glass fibers, the fiber density of the fine filtration layer 14 is greater than that of the primary filter layer 13, the glass fibers are inorganic materials with good corrosion resistance, impurities and oil drops in the air can be effectively blocked, and the oil drops and the water drops can not be adsorbed and absorbed, so that liquid impurities such as the oil drops and the water drops can be gradually gathered into large drops on the surfaces of the primary filter layer 13 and the fine filtration layer 14 from small drops, when the liquid impurities are large enough in mass, the large drops can drop downwards, the adsorption layer 15 is made of active carbon, and a small amount of escaping oil drops with the diameter of less than 0.01 mu m can be adsorbed, so that the peculiar smell of.

Inhale the inner wall of sound cotton 5 and evenly be provided with a plurality of noise elimination rings 6, noise elimination ring 6 and inhale sound cotton 5 and be the polyester fiber material, noise elimination ring 6 can carry out effectual separation to the gas of discharging into in the muffler pipe 3 by through-hole 10 to slow down its velocity of flow, play good noise reduction effect then.

The silencing pipe 3 is of a double-layer structure, a sealed inner cavity 4 is arranged in a shell of the silencing pipe 3, and the inner cavity 4 is in a vacuum state.

The blind end of cartridge filter 8 is the toper shrink, and the blind end center department of cartridge filter 8 runs through and is provided with blowoff valve 9, and when filter equipment used, because of perpendicular installation, guarantee cartridge filter 8's blind end towards ground for the inside drop that condenses of cartridge filter 8, water droplet etc. drip downwards and collect, after collecting certain amount of water oil mixture in the cartridge filter 8, the accessible was opened blowoff valve 9 and is discharged with it.

The outer wall of the air inlet connecting pipe 1 is provided with a safety valve 2 in a penetrating mode, when the filter element 11 is used for a long time and is not replaced, blockage can gradually occur, then air pressure in the filter cartridge 8 is too high, and at the moment, pressure relief can be automatically carried out through the setting of the safety valve 2 so as to avoid damaging the vacuum pump.

The utility model discloses a theory of operation is:

when in use, the air inlet connecting pipe 1 is upwards fixedly connected with the exhaust end of the vacuum pump, the closed end of the filter cylinder 8 is ensured to face the ground, the air exhausted by the vacuum pump enters the filter cylinder 8 and is discharged into the silencing pipe 3 through the through hole 10 for silencing after being filtered by the filter element 11, the primary filter layer 13 and the fine filter layer 14 made of glass fiber materials can effectively separate impurities and oil drops in the air during filtering and can not absorb and absorb the oil drops and water drops, so that the liquid impurities such as the oil drops, the water drops and the like can be gradually converged into large drops on the surfaces of the primary filter layer 13 and the fine filter layer 14 from small drops, when the mass of the large drops is enough, the large drops can downwards drop to the conical contraction end of the filter cylinder 8, after a certain amount of oil-water mixture is converged at the conical contraction end, the oil-water mixture can be discharged by opening the drain valve 9, the adsorption layer 15 made of activated carbon materials can absorb a small amount of escaping oil drops with the, to eliminate the odor of the exhaust gas.

The noise elimination ring 6 and the sound absorption cotton 5 made of polyester fiber can effectively absorb noise, and meanwhile, the noise elimination ring 6 can obstruct the gas discharged into the noise elimination pipe 3 through the through hole 10 to slow down the flow velocity of the gas and further play a good noise reduction effect.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a noise elimination filter equipment for vacuum pump, includes that intake pipe (1), muffler pipe (3) and cartridge filter (8), its characterized in that: one end of the muffling pipe (3) is arranged in an open manner, the other end of the muffling pipe (3) is provided with an air inlet, the other end of the muffling pipe (3) is fixedly connected with one end of the air inlet connecting pipe (1), the inner wall of the muffling pipe (3) is fixedly connected with sound absorbing cotton (5), the inner wall of the air inlet end of the muffling pipe (3) is fixedly connected with a sealing ring (7), the filter cartridge (8) is positioned in the muffling pipe (3), the outer wall of the air inlet end of the filter cartridge (8) is tightly attached to the outer wall of the sealing ring (7), the outer wall of the filter cartridge (8) is uniformly provided with a plurality of through holes (10), the inner wall of the filter cartridge (8) is provided with a filter element (11), the inner wall of the open end of the muffling pipe (3) is uniformly and fixedly connected with a plurality of mounting blocks (16), and the, the even fixedly connected with of outer wall of cartridge filter (8) a plurality of fixed blocks (18), fixed orifices (19) have been seted up with the department that corresponds of screw hole (17) to the outer wall of fixed block (18), the lateral wall of fixed block (18) is provided with a plurality of bolts (12), the screw thread end of bolt (12) is passed behind fixed orifices (19) and is connected through screw thread and screw hole (17) cooperation.

2. The muffling and filtering device for a vacuum pump according to claim 1, wherein: the filter element (11) comprises an adsorption layer (15), a fine filtration layer (14) is arranged on the inner wall of the adsorption layer (15), and a primary filtration layer (13) is arranged on the inner wall of the fine filtration layer (14).

3. The muffling and filtering device for a vacuum pump according to claim 1, wherein: the inner wall of the sound-absorbing cotton (5) is uniformly provided with a plurality of silencing rings (6).

4. The muffling and filtering device for a vacuum pump according to claim 1, wherein: the muffler pipe (3) is of a double-layer structure, a sealed inner cavity (4) is arranged in a shell of the muffler pipe (3), and the inner cavity (4) is in a vacuum state.

5. The muffling and filtering device for a vacuum pump according to claim 1, wherein: the closed end of the filter cartridge (8) is in conical contraction, and a drain valve (9) penetrates through the center of the closed end of the filter cartridge (8).

6. The muffling and filtering device for a vacuum pump according to claim 1, wherein: the outer wall of the air inlet connecting pipe (1) is provided with a safety valve (2) in a penetrating mode.