CN211328519U

CN211328519U - Fine filter for silane filling system

Info

Publication number: CN211328519U
Application number: CN201921460871.6U
Authority: CN
Inventors: 蔡前进; 铁雷雷; 时至兵
Original assignee: Henan Guiwan Technology Development Co ltd
Current assignee: Henan Guiwan Technology Development Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-08-25
Anticipated expiration: 2029-09-04

Abstract

The utility model relates to a fine filter for a silane filling system, which comprises a shell, wherein a filtering device is arranged inside the shell, the filtering device comprises a first filter and a second filter, the first filter is connected with an air inlet pipe, the first filter comprises a sealing block, a connecting block, a filter tube and a filter screen, the filter tube is positioned between the connecting block and the sealing block, the outer surface of the filter tube is provided with a filter hole, the filter screen is positioned outside the filter tube, part of the mesh body of the filter screen is protruded towards the outer side direction of the filter tube to form a U-shaped filter platform, the connecting block is provided with an air inlet hole, a connecting pipe is arranged right above the air inlet hole, the inner surface of the connecting pipe is provided with threads, one end of the; the second filter comprises filter cloth and a support frame, the support frame is positioned in the shell, the filter cloth is positioned at the upper end of the support frame, and the air outlet pipe is positioned at the lower end of the support frame; the utility model has the advantages of reasonable structure and good filtering effect.

Description

Fine filter for silane filling system

Technical Field

The utility model belongs to silane fills the dress equipment field, concretely relates to silane fills fine filter for dress system.

Background

Silane is a colorless gas that in contact with air causes spontaneous combustion and gives off white amorphous silica or a tan-colored smoke, and its primary health hazard to operators is that its spontaneous flame can cause severe thermal burns, and accidental spontaneous combustion can also lead to fire or explosion, and therefore, great care is required in its filling, storage and transportation; most of the existing silane filling modes are filled into a steel cylinder by directly using the action of a compressor, but after the silane passes through the compressor, impurities such as oil, water vapor and the like can be mixed in the silane, and if the silane is not filtered to remove impurities, the product quality of the silane can be seriously influenced; therefore, in order to solve the above problems, it is necessary to develop a fine filter for a silane filling system, which has a reasonable structure and a good filtering effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, and provide a silane that rational in infrastructure and filter effect are good fills dress fine filter for system.

The purpose of the utility model is realized like this: a fine filter for a silane filling system comprises a shell, a cover body is arranged at the upper end of the shell, a fixing frame is connected at the lower end of the shell, an air inlet pipe is arranged on the side face of the upper end of the shell, an air outlet pipe is arranged on the side face of the lower end of the shell, a filtering device is arranged in the shell and comprises a first filter and a second filter, the first filter is connected with the air inlet pipe and is positioned right above the second filter, the first filter comprises a sealing block, a connecting block, a filter pipe and a filter screen, the upper end of the filter pipe is fixedly connected with the connecting block, the lower end of the filter pipe is fixedly connected with the sealing block, a plurality of filter holes are uniformly formed in the outer surface of the filter pipe in an annular shape, the filter screen is fixedly arranged outside the filter pipe, part of the filter screen protrudes towards the outer side of, a connecting pipe is arranged right above the air inlet, the inner diameter of the connecting pipe is the same as the diameter of the air inlet, threads are arranged on the inner surface of the connecting pipe, one end of the air inlet pipe is positioned outside the shell, the other end of the air inlet pipe is positioned inside the shell and is vertically and fixedly connected with a connector, and the connector is in threaded connection with the connecting pipe; the second filter comprises filter cloth and a support frame, the support frame is fixedly connected with the inner wall of the shell, the filter cloth is located at the upper end of the support frame, and the air outlet pipe is located at the lower end of the support frame.

The connecting pipe is positioned right above the air inlet, the lower end of the connecting pipe is fixedly connected with the middle position of the connecting block, and the upper end of the connecting pipe is fixedly provided with an annular sealing cushion.

The middle position of the outer surface of the connecting pipe is sunken towards the center to form a square groove.

The connecting block, the connecting pipe, the filter tube and the sealing block are connected in an integrated manner.

The filter screen is fixed set up in the outside of chimney filter, the upper end of filter screen with the lower fixed surface of connecting block is connected, the lower extreme of filter screen with the upper fixed surface of sealed piece is connected.

The utility model has the advantages that: when the utility model is used, silane gas firstly enters the filter tube through the air inlet pipe through the connector and the air inlet hole by arranging the first filter and the second filter in the shell, then, the silane gas is discharged to the outside of the first filter through the filter holes on the filter tube and then enters the shell, the filter screen can be used for filtering dust particles in the silane gas, finally, the silane gas which enters the shell after being filtered by the first filter is discharged to the outside of the shell through the filter cloth and the outlet pipe at the lower end of the supporting frame, and the oil and water vapor impurities mixed in the silane gas can be adsorbed and filtered by the filter cloth, the utility model adopts a secondary filtering mode, the silane gas is filtered to remove impurities, so that the problem that in the prior art, after passing through a compressor, the silane is internally mixed with impurities such as oil, water vapor and the like to influence the product quality of the silane is solved; meanwhile, the annular sealing cushion is arranged at the upper end of the connecting pipe, the sealing performance of the connecting pipe and the connecting head can be improved by the sealing cushion, the square groove is arranged in the middle of the outer surface of the connecting pipe, and the operation convenience of the first filter and the air inlet pipe when the first filter and the air inlet pipe are connected through the connecting pipe and the connecting head can be improved by the square groove; generally, the utility model has the advantages of rational in infrastructure and the filter effect is good.

Drawings

Fig. 1 is a sectional view of a front view of the present invention.

Fig. 2 is a front view of a first filter according to the present invention.

Fig. 3 is a cross-sectional view of a top view of a first filter according to the present invention.

In the figure: 1. the filter comprises a shell 11, an air inlet pipe 12, an air outlet pipe 13, a connector 2, a cover body 3, a fixing frame 4, a filtering device 41, a first filter 411, a sealing block 412, a connecting block 413, a filtering pipe 414, a filtering screen 415, a filtering hole 416, a filtering table 417, an air inlet hole 418, a connecting pipe 419, a square groove 42, a second filter 421, filter cloth 422, a supporting frame 5 and a sealing cushion.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example (b): as shown in fig. 1, 2 and 3, a fine filter for a silane filling system comprises a casing 1, wherein a cover body 2 is arranged at the upper end of the casing 1, a fixing frame 3 is connected to the lower end of the casing 1, an air inlet pipe 11 is arranged on the side surface of the upper end of the casing 1, an air outlet pipe 12 is arranged on the side surface of the lower end of the casing 1, a filtering device 4 is arranged inside the casing 1, the filtering device 4 comprises a first filter 41 and a second filter 42, the first filter 41 is connected with the air inlet pipe 11 and is positioned right above the second filter 42, the first filter 41 comprises a sealing block 411, a connecting block 412, a filtering pipe 413 and a filtering net 414, the upper end of the filtering pipe 413 is fixedly connected with the connecting block 412, the lower end of the filtering pipe 411 is fixedly connected with the sealing block 411, a plurality of filtering holes 415 are uniformly arranged on the outer surface of the filtering pipe 413 in an annular shape, the filtering net, the lower end of the filter screen 414 is fixedly connected with the upper surface of the sealing block 411, and part of the screen body of the filter screen 414 protrudes towards the outer side of the filter tube 413 to form a U-shaped filter stage 416, so that when a filter tube 4136 with the same size is adopted to manufacture a filter element, the actual effective filtering area which is several times larger than that of the traditional filter element can be obtained, in addition, when silane gas passes through the filter screen 414, impurities carried by the silane gas are firstly accumulated at the outermost part of the filter stage 416, and at the moment, the screen bodies at the rest parts of the filter stage 416 can still play a role in filtering, so that the filter has the advantages of larger effective filtering area, difficulty in blockage, longer service life and the like; an air inlet 417 is arranged at the center of the connecting block 412, a connecting pipe 418 is arranged right above the air inlet 417, the inner diameter of the connecting pipe 418 is the same as the diameter of the air inlet 417, the lower end of the connecting pipe 418 is fixedly connected with the middle position of the connecting block 412, an annular sealing cushion 5 is fixedly arranged at the upper end of the connecting pipe 418, and the sealing performance of the connecting pipe 418 and the connecting head 13 can be improved by using the sealing cushion 5; the inner surface of the connecting pipe 418 is provided with threads, and the middle position of the outer surface is sunken towards the center to form a square groove 419; the square groove 419 is used to increase the convenience of operation when the first filter 41 is connected with the air inlet pipe 11 through the connecting pipe 418 and the connecting head 13; one end of the air inlet pipe 11 is positioned outside the shell 1, the other end of the air inlet pipe is positioned inside the shell 1, the air inlet pipe is vertically and fixedly connected with a connector 13, and the connector 13 is in threaded connection with the connecting pipe 418; the second filter 42 comprises a filter cloth 421 and a support frame 422, the support frame 422 is fixedly connected with the inner wall of the housing 1, the filter cloth 421 is positioned at the upper end of the support frame 422, and the air outlet pipe 12 is positioned at the lower end of the support frame 422; the connecting block 412, the connecting pipe 418, the filter pipe 413 and the sealing block 411 are integrally connected.

When the utility model is used, firstly, silane gas enters the filter tube 413 through the connector 13 and the air inlet 417 through the air inlet pipe 11, then, through the contact of the filter holes 415 on the filter tube 413 and the filter screen 414, and then the silane gas is discharged to the outside of the first filter 41 through the filter screen 414 and enters the shell 1, when the silane gas passes through the filter screen 414, the filter screen 414 can be used for filtering dust particles in the silane gas, moreover, part of the net body of the filter screen 414 in the application is protruded towards the outside direction of the filter tube 413 to form the U-shaped filter stage 416, by adopting the structure, when the filter element is manufactured by adopting the filter tube 413 with the same size, the actual effective filtering area which is several times larger than the traditional filter element can be obtained, in addition, when the silane gas passes through the filter screen 414, impurities carried by the silane gas are firstly accumulated at the outermost part of the filter stage 416, at this time, the net bodies of the rest parts of the filter, the filter has the advantages of large effective filtering area, difficult blockage, long service life and the like; finally, the silane gas entering the housing 1 after being filtered by the first filter 41 passes through the filter cloth 421 and is discharged to the outside of the housing 1 through the outlet pipe 12 at the lower end of the support frame 422, and the silane gas can be adsorbed and filtered by oil and water vapor impurities mixed in the silane gas by utilizing the filter cloth 421 when passing through the filter cloth 421; meanwhile, the annular sealing cushion 5 is arranged at the upper end of the connecting pipe 418, the sealing performance of the connecting pipe 418 and the connecting head 13 can be improved by the sealing cushion 5, the square groove 419 is arranged in the middle of the outer surface of the connecting pipe 418, and the convenience of operation of the connecting pipe 418 and the connecting head 13 between the first filter 41 and the air inlet pipe 11 can be improved by the square groove 419; generally, the utility model has the advantages of rational in infrastructure and the filter effect is good.

Claims

1. The utility model provides a silane fills smart filter for dress system, includes the casing, the casing upper end is provided with the lid, and the lower extreme is connected with the mount, the side of casing upper end is provided with the intake pipe, and the side of lower extreme is provided with outlet duct, its characterized in that: the filter device is arranged in the shell and comprises a first filter and a second filter, the first filter is connected with the air inlet pipe and is positioned right above the second filter, the first filter comprises a sealing block, a connecting block, a filter pipe and a filter screen, the upper end of the filter pipe is fixedly connected with the connecting block, the lower end of the filter pipe is fixedly connected with the sealing block, the outer surface of the filter pipe is in an annular shape and is uniformly provided with a plurality of filter holes, the filter screen is fixedly arranged outside the filter pipe, part of the screen body of the filter screen protrudes towards the outer side direction of the filter pipe to form a U-shaped filter platform, an air inlet hole is arranged in the center of the connecting block, a connecting pipe is arranged right above the air inlet hole, the inner diameter of the connecting pipe is the same as the diameter of the air inlet hole, the inner surface of the connecting pipe is provided with threads, one, the connecting head is vertically and fixedly connected with the connecting pipe in a threaded manner; the second filter comprises filter cloth and a support frame, the support frame is fixedly connected with the inner wall of the shell, the filter cloth is located at the upper end of the support frame, and the air outlet pipe is located at the lower end of the support frame.

2. The fine filter for a silane charging system of claim 1, wherein: the connecting pipe is positioned right above the air inlet, the lower end of the connecting pipe is fixedly connected with the middle position of the connecting block, and the upper end of the connecting pipe is fixedly provided with an annular sealing cushion.

3. A fine filter for a silane charging system according to claim 1 or 2, wherein: the middle position of the outer surface of the connecting pipe is sunken towards the center to form a square groove.

4. The fine filter for a silane charging system of claim 1, wherein: the connecting block, the connecting pipe, the filter tube and the sealing block are connected in an integrated manner.

5. The fine filter for a silane charging system of claim 1, wherein: the upper end of the filter screen with the lower fixed surface of connecting block is connected, the lower extreme of filter screen with the upper fixed surface of sealed piece is connected.