CN211725069U

CN211725069U - Novel dry gas sealing filter

Info

Publication number: CN211725069U
Application number: CN202020201926.8U
Authority: CN
Inventors: 齐炜
Original assignee: Gu'an Zhongtai Filtration Equipment Co ltd
Current assignee: Gu'an Zhongtai Filtration Equipment Co ltd
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-10-23
Anticipated expiration: 2030-02-24

Abstract

The utility model relates to a dry gas seal technical field just discloses a novel dry gas seal filter, which comprises an outer shell, the inner chamber diapire fixedly connected with support frame of shell, the air vent has been seted up to the outside equidistance of support frame, the bottom threaded connection of shell has the screw cap, the gas pocket has been seted up to the bottom equidistance of screw cap, the top fixedly connected with lower fixing ring of screw cap, the inner chamber roof fixedly connected with upper fixing ring of support frame, the relative one side of upper fixing ring and lower fixing ring respectively with the top and the bottom contact of filter core. This novel dry gas seal filter through the inside of air inlet with gaseous leading-in shell, can filter the large granule impurity in the gas at gaseous leading-in-process filter screen, and primary filterable gas is leading-in to the inside of support frame through the air vent to filtered the core once more, make impurity in the gas fully filtered, improve equipment's work efficiency.

Description

Novel dry gas sealing filter

Technical Field

The utility model relates to a dry gas seal technical field specifically is a novel dry gas seal filter.

Background

The dry gas seal is the same as the balanced cartridge type structure of the common mechanical seal, but the end face design is different, the surface is provided with a groove with the depth of several microns to more than ten microns, the end face width is wider, different from the common lubricating mechanical seal, the dry gas seal generates a stable gas film on two sealing faces, the gas film has stronger rigidity to completely separate the two sealing end faces, and a certain sealing gap is kept, and the gap can not be too large and is generally several microns.

The dry gas seal, namely the dry operation gas seal, is a novel shaft end seal which uses a slotting sealing technology for gas seal, belongs to non-contact seal, but before the dry gas seal, the equipment can lead in gas with impurities, and the impurities in the gas can influence the working efficiency of the equipment, so that a novel dry gas seal filter is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a novel dry gas seal filter possesses advantages such as the inside impurity of filtered gas, has solved before dry gas seal that equipment can be leading-in with the gas that has impurity, and impurity in the gas can influence the work efficiency's of equipment problem.

(II) technical scheme

For the purpose of realizing above-mentioned inside impurity of filtration gas, the utility model provides a following technical scheme: a novel dry gas sealing filter comprises a shell, wherein the bottom wall of an inner cavity of the shell is fixedly connected with a supporting frame, the outer side of the supporting frame is provided with air holes at equal intervals, the bottom of the shell is in threaded connection with a threaded cover, the bottom of the threaded cover is provided with air holes at equal intervals, the top of the threaded cover is fixedly connected with a lower fixing ring, the top wall of the inner cavity of the supporting frame is fixedly connected with an upper fixing ring, one side, opposite to the upper fixing ring and the lower fixing ring, of the upper fixing ring is respectively contacted with the top and the bottom of a filter element, the top of the shell is fixedly connected with an upper cover, the left side and the right side of the top of the shell are both fixedly connected with fixing screw rods, the outer threads of the fixing screw rods are connected with fixing nuts, the inner, the top threaded connection of pipeline has sealed lid, the inboard fixedly connected with fixed plate of pipeline, the inside fixed mounting of fixed plate has the filter screen.

Preferably, the bottom of the shell is provided with a threaded hole, and the diameter of the threaded hole is smaller than that of the support frame.

Preferably, the support frame and the shell are integrated, the support frame is a hollow cylinder, and a gap exists between the support frame and the shell.

Preferably, the number of the vent holes is four, and the four vent holes are equidistantly distributed outside the support frame.

Preferably, the left side and the right side of the upper cover are both provided with positioning holes, and the top of the upper cover is provided with a circular opening.

Preferably, one end of the fixing screw rod, which is far away from the shell, penetrates through a positioning hole formed in the outer portion of the upper cover, and thread grooves are formed in the top end of the outer portion of the pipeline at equal intervals.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel dry gas seal filter possesses following beneficial effect:

this novel dry gas seal filter, fix the inside at the upper cover through the bolt with the pipeline, and rotatory sealed lid seals the pipeline top, then merge upper cover and shell, make clamping screw pass through the upper cover, and utilize fixation nut to fix the upper cover, gas can pass through the inside of the leading-in shell of air inlet, the in-process filter screen that leads to at gas can filter the large granule impurity in the gas, primary filterable gas is leading-in to the inside of support frame through the air vent, and filtered the core once more, make impurity in the gas fully filtered, improve equipment's work efficiency.

Drawings

FIG. 1 is a front view of the structure of the present invention;

fig. 2 is a schematic view of the structure of the air hole of the present invention.

In the figure: the filter comprises a shell 1, a support frame 2, an air vent 3, a thread cover 4, an air hole 5, a lower fixing ring 6, a filter element 7, an upper cover 8, a fixing screw rod 9, a fixing nut 10, a pipeline 11, a bolt 12, an air inlet 13, a sealing cover 14, a fixing plate 15, a filter screen 16 and an upper fixing ring 17.

Detailed Description

The preferred embodiments of the present invention will be described with reference to the accompanying drawings, which should not be construed as limiting the invention.

It should be noted that these drawings are simplified schematic views, and the basic structure of the present invention is described only in a schematic manner, and therefore, only the configuration related to the present invention is shown.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, a novel dry gas seal filter comprises a housing 1, a threaded hole is formed in the bottom of the housing 1, the diameter of the threaded hole is smaller than that of a support frame 2, the bottom wall of an inner cavity of the housing 1 is fixedly connected with the support frame 2, the support frame 2 and the housing 1 are integrated, the support frame 2 is a hollow cylinder, a gap is formed between the support frame 2 and the housing 1, vent holes 3 are formed in the outer side of the support frame 2 at equal intervals, the number of the vent holes 3 is four, the four vent holes 3 are distributed outside the support frame 2 at equal intervals, a threaded cover 4 is in threaded connection with the bottom of the housing 1, vent holes 5 are formed in the bottom of the threaded cover 4 at equal intervals, a lower fixing ring 6 is fixedly connected to the top of the threaded cover 4, an upper fixing ring 17 is fixedly connected to the top wall of the inner cavity, top fixedly connected with upper cover 8 of shell 1, the locating hole has all been seted up to the left and right sides of upper cover 8, circular opening has been seted up at the top of upper cover 8, the equal fixedly connected with clamping screw 9 in the left and right sides at 1 top of shell, clamping screw 9 keeps away from the locating hole that shell 1's one end runs through upper cover 8 outside was seted up, clamping screw 9's outside threaded connection has fixation nut 10, upper cover 8's inside fixedly connected with pipeline 11, the thread groove has been seted up to the outside top equidistance of pipeline 11, pipeline 11 passes through bolt 12 and upper cover 8 fixed connection, air inlet 13 has been seted up to the outside equidistance of pipeline 11, pipeline 11's top threaded connection has sealed lid 14, pipeline 11's inboard fixedly connected with fixed plate 15, the inside fixed mounting of fixed plate 15 has filter screen 16.

To sum up, this novel dry gas seal filter, fix pipeline 11 in upper cover 8's inside through bolt 12, and rotatory sealed lid 14 seals pipeline 11 top, then merge upper cover 8 and shell 1, make clamping screw 9 run through upper cover 8, and utilize fixation nut 10 to fix upper cover 8, gas can pass through the inside of the leading-in shell 1 of air inlet 13, filter the large granule impurity in the gas at the leading-in-process filter screen 16, elementary filterable gas is leading-in to the inside of support frame 2 through air vent 3, and filtered core 7 once more by filtering, make the impurity in the gas fully filtered, improve equipment's work efficiency, thereby it can be leading-in with the gas that has impurity to have solved equipment before dry gas seal, impurity in the gas can influence the problem of equipment's work efficiency.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. A novel dry gas seal filter, includes shell (1), its characterized in that: the inner cavity bottom wall of the shell (1) is fixedly connected with a support frame (2), vent holes (3) are formed in the outer side of the support frame (2) at equal intervals, the bottom of the shell (1) is connected with a threaded cover (4) in a threaded manner, air holes (5) are formed in the bottom of the threaded cover (4) at equal intervals, a lower fixing ring (6) is fixedly connected to the top of the threaded cover (4), an upper fixing ring (17) is fixedly connected to the inner cavity top wall of the support frame (2), one side, opposite to the upper fixing ring (17) and the lower fixing ring (6), of the upper fixing ring is respectively contacted with the top and the bottom of the filter element (7), an upper cover (8) is fixedly connected to the top of the shell (1), fixing screw rods (9) are fixedly connected to the left side and the right side of the top of the shell, the inside fixedly connected with pipeline (11) of upper cover (8), pipeline (11) are through bolt (12) and upper cover (8) fixed connection, air inlet (13) have been seted up to the outside equidistance of pipeline (11), the top threaded connection of pipeline (11) has sealed lid (14), inboard fixedly connected with fixed plate (15) of pipeline (11), the inside fixed mounting of fixed plate (15) has filter screen (16).

2. The novel dry gas seal filter of claim 1, wherein: the bottom of the shell (1) is provided with a threaded hole, and the diameter of the threaded hole is smaller than that of the support frame (2).

3. The novel dry gas seal filter of claim 1, wherein: the support frame (2) and the shell (1) are integrated, the support frame (2) is a hollow cylinder, and a gap exists between the support frame (2) and the shell (1).

4. The novel dry gas seal filter of claim 1, wherein: the number of the vent holes (3) is four, and the four vent holes (3) are distributed outside the support frame (2) at equal intervals.

5. The novel dry gas seal filter of claim 1, wherein: the left side and the right side of the upper cover (8) are both provided with positioning holes, and the top of the upper cover (8) is provided with a circular opening.

6. The novel dry gas seal filter of claim 5, wherein: one end, far away from the shell (1), of the fixing screw rod (9) penetrates through a positioning hole formed in the outer portion of the upper cover (8), and thread grooves are formed in the top end of the outer portion of the pipeline (11) at equal intervals.