CN201482363U

CN201482363U - Filter used for compressed natural gas dispensers

Info

Publication number: CN201482363U
Application number: CN2009201282739U
Authority: CN
Inventors: 刘伟; 刘辉; 傅斌; 王成元
Original assignee: Chongqing Juchuang Metering Equipment Co Ltd
Current assignee: Chongqing Juchuang Metering Equipment Co.,Ltd.
Priority date: 2009-07-31
Filing date: 2009-07-31
Publication date: 2010-05-26
Anticipated expiration: 2019-07-31

Abstract

The utility model discloses a filter used for compressed natural gas dispensers, which comprises an upper barrel, a lower barrel, an air inlet passage, a purified gas outlet passage and a sewage draining hole, wherein the upper barrel is connected with the lower barrel so as to form a purification cavity; the air inlet passage is arranged on the side surface of the upper barrel; the sewage draining hole is arranged at the bottom of the lower barrel; the air inlet passage and the sewage draining hole are both communicated with the purification cavity; the purified gas outlet passage is arranged at the top of the upper barrel; a filtering device is arranged in the purification cavity; and the filtering device comprises a filter core, a filter core support and a support seal head. The air inlet passage, the purified gas outlet passage and the sewage draining hole are improved in opening design, therefore, the filter not only has good filter capacity of tiny impurities, but also is more stably and reliably matched with a control system, and simultaneously has convenient disassembly and easy examine and repair.

Description

The filter that is used for filling machine

Technical field

The utility model relates to a kind of filter that is used for filling machine.

Background technology

The filtration of impurity such as the small moisture mist of oil of being carried secretly in the natural gas for a long time, is a ring of most critical in the filling machine always.Though at CNG filling machine front end by some filtration measures, still residual a little moisture and impurity before entering filling machine.Therefore, the filtration measure for the filling machine inlet end has just proposed strict requirement: must be anti-riot, leakage-preventing; Necessary reliable and stable with cooperating of control system; Can bear higher pressure and work for a long time; When dismantling and overhaul, must make things convenient for.

Yet traditional filter is difficult to the requirement that reaches such, and its reliability is very poor, and when the impurity of filter and moisture were not in time discharged, it was stifled usually to cause filter core to be blocked, and it is not smooth to cause passing in and out gas.

In view of this, be necessary to develop the filter that a kind of minute impurities filter capacity is strong, reliable and stable, field-strip is used for filling machine easily according to on-the-spot practical experience and the intrinsic attribute of natural gas.

The utility model content

In view of this, the utility model provides a kind of filter that is used for filling machine, and the improvement by in the design not only has good minute impurities filter capacity, and more reliable and stable with cooperating of control system, and convenient disassembly overhauls easily simultaneously.

The purpose of this utility model provides a kind of filter that is used for filling machine, comprise upper shell, lower shell, inlet channel, purify outlet passageway and sewage draining exit, described upper shell is connected with lower shell and forms inner purification chamber, described inlet channel is arranged on the side of upper shell, described sewage draining exit is arranged on the bottom of lower shell, described inlet channel all communicates with the purification chamber with sewage draining exit, described purification outlet passageway is arranged on the top of upper shell, be provided with filter in the described purification chamber, described filter comprises filter core, filter core bracing frame and bracing frame end socket, described filter core is fixed in the below that purifies outlet passageway by the filter core bracing frame, the lower port that one end of described filter core will purify outlet passageway is enclosed in filter core inside, and the other end sealed by bracing frame end socket and being connected of filter core bracing frame.

Further, described filter core bracing frame adopts cylindrical-shaped structure, and described filter core is set on the filter core bracing frame, adopts between described filter core bracing frame and the bracing frame end socket to be threaded;

Further, be connected by internal and external screw thread between described upper shell and the lower shell;

Further, the junction of described upper shell and lower shell also is provided with the O RunddichtringO;

Further, described inlet channel and the axis normal that purifies outlet passageway, the dead in line of described purification outlet passageway and sewage draining exit.

The beneficial effects of the utility model are:

1. by inlet channel, purification outlet passageway, sewage draining exit are improved in the opening design, improved the minute impurities filter capacity of device, even it is more that this kind structure Design can guarantee to pass through the impurity of filter core simultaneously, also can not cause the inlet, outlet passage of whole filter to be blocked;

2. compact conformation of the present utility model is easy to dismounting and maintenance, is convenient to simultaneously filter core is changed;

3. the utility model is reliable and stable with cooperating of control system, can bear higher pressure and work for a long time, and service life is longer.

Other advantages of the present utility model, target, to set forth in the following description to a certain extent with feature, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can realize and obtain by following specification and claims.

Description of drawings

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:

Accompanying drawing is the utility model structural representation.

The specific embodiment

Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.

The filter that is used for filling machine of the present utility model, comprise upper shell 1, lower shell 2, inlet channel 3, purify outlet passageway 4 and sewage draining exit 5, upper shell 1 is connected with lower shell 2 and forms inner purification chamber 6, inlet channel 3 is arranged on the side of upper shell 1, sewage draining exit 5 is arranged on the bottom of lower shell 2, inlet channel 3 all communicates with purification chamber 6 with sewage draining exit 5, purify the top that outlet passageway 4 is arranged on upper shell 1, purify in the chamber 6 and be provided with filter 7, filter 7 comprises filter core 71, filter core bracing frame 72 and bracing frame end socket 73, filter core 71 is fixed in the below that purifies outlet passageway 4 by filter core bracing frame 72, the outlet side, bottom that one end of filter core 71 will purify outlet passageway 4 is enclosed in filter core 71 inside, and the other end sealed by bracing frame end socket 73 and being connected of filter core bracing frame 72.In the present embodiment, filter core bracing frame 72 adopts cylindrical-shaped structures, and filter core 71 is set on the filter core bracing frame 72, adopts between filter core bracing frame 72 and the bracing frame end socket 73 to be threaded.

For ease of device is dismantled and overhauled, be connected by internal and external screw thread between upper shell 1 and the lower shell 2.

For guaranteeing the sealing that is connected between upper shell 1 and the lower shell 2, also be provided with O RunddichtringO 8 in the junction of upper shell 1 and lower shell 2.

For ease of the diffusion and the filtration of gas, take into account the requirement attractive in appearance of product simultaneously, in the present embodiment, inlet channel 3 and the axis normal that purifies outlet passageway 4 purify the dead in line of outlet passageway 4 and sewage draining exit 5.

Enter the purification chamber of filter interior by inlet channel at gas after, pass through filter core, high pressure when relying on air inlet, gas pressure is filtered through filter core, impurity such as moisture in the natural gas and mist of oil then are adsorbed on the filter core except fraction, and major part is all passed through the sewage draining exit of cylindrical shell lower end and discharged.

Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims

1. the filter that is used for filling machine, comprise upper shell (1), lower shell (2), inlet channel (3), purify outlet passageway (4) and sewage draining exit (5), described upper shell (1) is connected with lower shell (2) and forms inner purification chamber (6), described inlet channel (3) is arranged on the side of upper shell (1), described sewage draining exit (5) is arranged on the bottom of lower shell (2), described inlet channel (3) all communicates with purification chamber (6) with sewage draining exit (5), described purification outlet passageway (4) is arranged on the top of upper shell (1), it is characterized in that: be provided with filter (7) in the described purification chamber (6), described filter (7) comprises filter core (71), filter core bracing frame (72) and bracing frame end socket (73), described filter core (71) is fixed in the below that purifies outlet passageway (4) by filter core bracing frame (72), the bottom that one end of described filter core (71) will purify outlet passageway (4) port of giving vent to anger is enclosed in the inside of filter core (71), and the other end sealed by bracing frame end socket (73) and being connected of filter core bracing frame (72).

2. the filter that is used for filling machine according to claim 1, it is characterized in that: described filter core bracing frame (72) adopts cylindrical-shaped structure, described filter core (71) is set on the filter core bracing frame (72), adopts between described filter core bracing frame (72) and the bracing frame end socket (73) to be threaded.

3. the filter that is used for filling machine according to claim 2 is characterized in that: be connected by internal and external screw thread between described upper shell (1) and the lower shell (2).

4. the filter that is used for filling machine according to claim 3 is characterized in that: described upper shell (1) also is provided with O RunddichtringO (8) with the junction of lower shell (2).

5. the filter that is used for filling machine according to claim 4 is characterized in that: described inlet channel (3) and the axis normal that purifies outlet passageway (4), the dead in line of described purification outlet passageway (4) and sewage draining exit (5).