CN211635805U

CN211635805U - Gas impurity filtering device

Info

Publication number: CN211635805U
Application number: CN201922187456.4U
Authority: CN
Inventors: 戎海伟; 刘艳
Original assignee: SHANGHAI SHENKAI GASES TECHNOLOGY CO LTD
Current assignee: SHANGHAI SHENKAI GASES TECHNOLOGY CO LTD
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-10-09
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a gaseous impurity filter equipment, including the cartridge filter, be equipped with the helicla flute in the cartridge filter, still be equipped with filtering mechanism in the cartridge filter, filtering mechanism includes the inner tube, the inner tube both ends are equipped with first branch and second branch respectively, and just first branch and second branch fix in the cartridge filter, the inner tube outer wall is equipped with the screw retaining ring, and the inner tube outer wall is opened has a plurality of honeycomb holes, and inner tube outer wall and inner wall all post dust absorption paper. The utility model discloses threaded retainer ring on the inner tube outer wall of toper structure and helicla flute mutually support and form a cavity of circling round, when gaseous when the cavity of circling round, thereby can receive centrifugal force with foreign particle centrifugal discharge, increased the mode of device edulcoration, gaseous when rotating the net dish, can take place the friction with inner tube and rotation net dish to produce static, and then can adsorb the foreign particle in the gas and detach, increased the edulcoration ability of device.

Description

Gas impurity filtering device

Technical Field

The utility model belongs to the technical field of gaseous impurity filters technique and specifically relates to a gaseous impurity filtering device is related to.

Background

In the prior art, standard gas in a gas cylinder is directly injected through a six-way valve before entering a detection instrument. The standard gas has various types, and the raw materials for preparing the standard gas have various sources and different qualities. Some of the raw materials available on the market, limited by the purification process, have a purity of less than 99.99% and contain impurities. The gas cylinder for storing standard gas can be inevitably aged and fallen off after being repeatedly used. The tiny solid particle impurities enter the detection instrument along with the gas, which not only increases the background value and noise and reduces the sensitivity to influence the analysis result, but also harms the detection instrument and shortens the service life of the detection instrument.

By way of search, patent publication No. CN205216587U discloses an apparatus for removing impurities from a gas, comprising: the filter cylinder is of a hollow cylinder structure, the end parts of two sides of the filter cylinder are provided with openings, and the interior of the filter cylinder is filled with a plurality of layers of microporous filter membranes; and the sealing assemblies are respectively arranged at the openings of the two side ends of the filter cylinder to seal the filter cylinder. The above patents suffer from the following disadvantages: the treatment mode is single, and the instrument can not be decontaminated after being damaged, and can not meet the requirements of people.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a gas impurity filtering device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a gaseous impurity filter equipment, includes the cartridge filter, be equipped with the helicla flute in the cartridge filter, still be equipped with filtering mechanism in the cartridge filter, filtering mechanism includes the inner tube, the inner tube both ends are equipped with first branch and second branch respectively, and first branch and second branch fix in the cartridge filter, the inner tube outer wall is equipped with the screw retaining ring, and the inner tube outer wall is opened has a plurality of honeycomb holes, and inner tube outer wall and inner wall all paste the dust absorption paper.

Further, cartridge filter and inner tube are the metal material, and the welding of cartridge filter both ends has the protection frame.

Further, the cartridge filter both ends all open there is the mounting groove, and installs the filtration membrane installing frame in the mounting groove.

Furthermore, the filtering mechanism further comprises a rotary net disc, connectors are welded at two ends of the rotary net disc, and the connectors are inserted in the inner cylinder.

Furthermore, the inner cylinder is of a conical cylinder structure, the outer wall of the rotating net disk is welded with metal balls, and the rotating net disk rotates on the inner circumference of the inner cylinder.

Furthermore, the outer wall of the filter cylinder is provided with a mounting hole, an ion emitter is arranged in the mounting hole in a sealing mode, and the ion emitter comprises a spring leg.

Further, the spring leg is in contact with the inner barrel.

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

1. through the setting of cartridge filter structure and inner tube structure, the screw retaining ring on the inner tube outer wall of toper structure forms a cavity of circling round with the helicla flute is mutually supported, when gaseous when the cavity of circling round, thereby can receive centrifugal force with foreign particle centrifugal discharge, increased the mode of device edulcoration for the practicality of device increases.

2. Through the setting of metal ball and rolling disc, gaseous when rotating the net dish, can take place the friction with inner tube and rotation net dish to produce static, and then can detach the impurity particle absorption in the gas, increased the edulcoration ability of device.

3. Through the setting of ion emitter and spring leg for ion emitter can with the inner tube contact, launches charged ion, thereby it adsorbs the charged particle in the gas to produce static, improves the throughput of device.

Drawings

Fig. 1 is a schematic front view of a gas impurity filtering device according to embodiment 1 of the present invention;

fig. 2 is a schematic sectional view of the embodiment 1 of the gas impurity filtering device according to the present invention;

fig. 3 is a schematic view of a three-dimensional structure of an inner cylinder of the gas impurity filtering device provided by the present invention;

FIG. 4 is a schematic side view of the inner tube of the gas impurity filtering device according to the present invention;

fig. 5 is a schematic cross-sectional view of embodiment 2 of a gas impurity filtering device according to the present invention.

In the figure: 1-filter cartridge, 2-protective frame, 3-mounting groove, 4-filter membrane mounting frame, 5-inner cylinder, 6-first support rod, 7-threaded retainer ring, 8-second support rod, 9-honeycomb hole, 10-connector, 11-rotary screen disc, 12-metal ball, 13-ion emitter, 14-spring leg and 15-spiral groove.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, a gas impurity filtering device comprises a filter cartridge 1, a spiral groove 15 is formed in the filter cartridge 1, a filtering mechanism is further arranged in the filter cartridge 1, the filtering mechanism comprises an inner cylinder 5, the filter cartridge 1 and the inner cylinder 5 are both made of metal materials, a first supporting rod 6 and a second supporting rod 8 are respectively arranged at two ends of the inner cylinder 5, the first supporting rod 6 and the second supporting rod 8 are fixed in the filter cartridge 1, a threaded retainer 7 is welded on the outer wall of the inner cylinder 5, the threaded retainer 7 and the spiral groove 15 are mutually matched to form a rotating chamber, when gas passes through the rotating chamber, the gas is subjected to centrifugal force to centrifugally discharge impurity particles, a plurality of honeycomb holes 9 are formed in the outer wall of the inner cylinder 5, dust-absorbing paper is pasted on the outer wall and the inner wall of the inner cylinder 5, when gas passes through the dust-absorbing paper, partial impurities in the gas are adsorbed, the two ends of the rotating net disk 11 are welded with the connectors 10, the connectors 10 are inserted into the inner cylinder 5 in an inserted mode, the outer wall of the rotating net disk 11 is welded with the metal balls 12, the rotating net disk 11 rotates in the inner cylinder 5, and when gas passes through the rotating net disk 11, the gas can rub against the inner cylinder 5 and the rotating net disk 11, so that static electricity is generated, impurity particles in the gas can be adsorbed and removed, and the impurity removing capacity of the device is improved.

It should be noted that, the welding of cartridge filter 1 both ends has protection frame 2, and cartridge filter 1 both ends all open mounting groove 3, and install filtration membrane installing frame 4 in mounting groove 3, can filter gas at both ends.

The working principle of the embodiment is as follows: during the use, gaseous at first in filter membrane installing frame 4 gets into cartridge filter 1 through filtering membrane, can pass through the chamber that circles round that screw retaining ring 7 and helicla flute 15 mutually supported formation after getting into cartridge filter 1, thereby can receive centrifugal force and discharge impurity particle centrifugation, meanwhile, gaseous entering inner tube 5 is when rotating net dish 11, can take place the friction with inner tube 5 and rotation net dish 11, thereby produce static, and then can detach the impurity particle adsorption in the gas, the edulcoration ability of device has been increased, and dust absorption paper can also adsorb the partial impurity in the gas, make the throughput greatly increased of device.

Example 2

Referring to fig. 5, the outer wall of the filter cartridge 1 is provided with a mounting hole, an ion emitter 13 is hermetically mounted in the mounting hole, the ion emitter 13 comprises a spring leg 14, and the spring leg 14 is in contact with the inner cartridge 5.

The present embodiment is different from embodiment 1 in that an ion emitter 13 is added for generating static electricity to adsorb charged particles in the gas, thereby improving the processing capacity of the apparatus.

It should be noted that the ion emitter 13 cannot be used for removing dust from flammable and explosive gases.

Claims

1. The utility model provides a gaseous impurity filter equipment, includes the cartridge filter, its characterized in that, be equipped with the helicla flute in the cartridge filter, still be equipped with filtering mechanism in the cartridge filter, filtering mechanism includes the inner tube, the inner tube both ends are equipped with first branch and second branch respectively, and just first branch and second branch are fixed in the cartridge filter, the inner tube outer wall is equipped with the screw retaining ring, and the inner tube outer wall is opened has a plurality of honeycomb holes, and inner tube outer wall and inner wall all paste the dust absorption paper.

2. The gas impurity filtering device according to claim 1, wherein the filter cartridge and the inner cylinder are made of metal, and protective frames are welded to both ends of the filter cartridge.

3. A gas impurity filtering apparatus according to claim 1 or 2, wherein mounting grooves are formed at both ends of the filter cartridge, and a filtering membrane mounting frame is mounted in the mounting grooves.

4. The gas impurity filtering device according to claim 1, wherein the filtering mechanism further comprises a rotary screen disc, connectors are welded to both ends of the rotary screen disc, and the connectors are inserted into the inner cylinder.

5. A gas impurity filtering device in accordance with claim 4, wherein said inner cylinder is a cone-shaped cylinder structure, and the metal balls are welded to the outer wall of the rotary screen disk, and the rotary screen disk rotates on the inner circumference of the inner cylinder.

6. The apparatus as claimed in claim 1, wherein the filter cartridge has a mounting hole formed in an outer wall thereof, and an ion emitter is hermetically mounted in the mounting hole and includes a spring leg.

7. A gaseous impurity filtering device according to claim 6, wherein said spring legs are in contact with the inner tube.