CN102559314B

CN102559314B - Horizontal natural gas filter

Info

Publication number: CN102559314B
Application number: CN 201110420465
Authority: CN
Inventors: 陶金龙; 周彩明; 霍惠青
Original assignee: CHANGSHU SHANGHAI FEIAO PRESSURE CONTAINER Co Ltd
Current assignee: Changshou City Austrian Pressure Vessel Manufacturing Co., Ltd.
Priority date: 2011-12-15
Filing date: 2011-12-15
Publication date: 2013-09-25
Anticipated expiration: 2031-12-15
Also published as: CN102559314A

Abstract

The invention discloses a horizontal natural gas filter, belonging to the technical field of the filtering equipment. The horizontal natural gas filter comprises a horizontal barrel, a barrel cover and a group of filter elements, wherein a division disk is arranged in the barrel cavity to divide the barrel cavity into a gas inlet cavity and a filtering cavity; the barrel cover is matched with thebarrel; and the filter elements are arranged in the filtering cavity. The horizontal natural gas filter is characterized in that the filter also comprises a pressure difference display mechanism and a group of air ducts, wherein the pressure difference display mechanism is arranged on the outer wall of the barrel and communicated with the gas inlet cavity and the filtering cavity; and one end of each air duct expends into the gas inlet cavity, the other end of each air duct is connected with one filter element in an adapting manner, the air duct cavity of each air duct is communicated with the filter element cavity of each filter element, and each filter element in the filtering cavity points to one end of the barrel cover in position. The horizontal natural gas filter has the following advantages: the time of changing the filter elements is correctly determined according to the pressure difference shown by the pressure difference display mechanism, thus the blindness is avoided; the service life can be prolonged, resources are saved, the filtering efficiency is increased; and the convenience of changing and installing the filter elements is improved. In addition, the barrel covercan be well matched with the barrel and be opened or closed reliably and rapidly.

Description

Horizontal natural gas filter

Technical field

The invention belongs to the filter technical field, be specifically related to a kind of horizontal natural gas filter, be used for impurity and micro liquid filtering with natural gas

Background technology

Owing to contain the liquid of solid particle polluter and trace in the natural gas, therefore set filter at the natural gas transport pipeline usually, could satisfy pure requirement through the natural gas after the filter filtration, otherwise can influence use, for example combustion efficiency can't guarantee, and for example, with regard to civilian, easily cause the obstruction of combustion gas tool and carbon deposit etc., with regard to industrial, easily undermine burner for another example.

Natural gas filter has vertical and horizontal two kinds: the natural gas filter of vertical structure such as Chinese patent CN2513654Y(natural gas filter), CN2621795Y(multifunctional natural air filter), the quick open-type piping filter of CN2743014Y(), CN2787288Y(natural gas accurate filter) and the CN100535501C(natural gas filter) etc.; Horizontal natural gas filter such as CN2474207Y(natural gas, colliery air filter) and CN201040223Y(natural gas demercuration filter), etc.

" a kind of natural gas filter " that typical horizontal natural gas filter such as CN201399401Y recommend, though this patent scheme has the capable alleged technique effect of Instructions Page 2 14-15, but there is following shortcoming: one, be difficult to hold the opportunity of changing filter core, in use for some time can be adsorbed by the foreign material in the natural gas gradually because cross filter core, that is to say that the passage that will be crossed on the filter core by impurity stops up, cross the filter efficiency of filter core or claim that air permeable effect reduces gradually, and above-mentioned CN201399401Y can only rely on the mode (chance) of regular inspection to watch filter core, perhaps the subjective cycle of determining was changed filter core at one's discretion, but, the inspection personnel by virtue of experience watched filter core and existed than large deviation, had great blindness and regularly replace filter core, because the makings of natural gas is not invariable, therefore when run into impurity particle relatively more be degree of purity be short of natural gas the time, shorten the service life that crosses filter core relatively, otherwise then can prolong, and by appointment time limit of becoming of custom changed filter core can produce two kinds extreme, namely should not change and be replaced, this replacing and in time not changing; They are two years old, crossing filter core in use easily stops up, change frequent, because the natural gas that enters in the filter chamber is to enter in the filter core chamber from the outer wall of crossing filter core, so do not influence the passage obstruction that the extremely little vast particle in the natural gas very easily will be crossed filter core that is entrained in of burning use, that is to say, owing to natural gas from outside entered the filter core chamber and made filter core the time lose self backwash effect in work, certainly will shorten its life-span; They are three years old, be not easy to change filter core, because this patent scheme will be crossed filter core and silk screen foam removal section (being wire mesh demister) is used in combination, so in the time of will changing filter core, need earlier wire mesh demister to be shifted out filter chamber, otherwise can't take out crossing filter core, again, take out from the seal head end of cylindrical shell and change if will cross filter core for fear of the obstruction of wire mesh demister, open the work of end socket so more than the work complexity of opening cover; They are four years old, patent is not instructed the cover mechanism for opening/closing, and the use to filter whether rational in infrastructure of cover mechanism for opening/closing produces significant effects, for example and the agility of the sealing between the cylindrical shell, keying and with no interference capability of surrounding environment etc. all are factors that filter must be considered.

In view of above-mentioned prior art, the applicant has done positive and useful design, has found the way that solves the problems of the technologies described above, and technical scheme described below produces under this background

Summary of the invention

Top priority of the present invention be to provide a kind of help intuitively and exactly to judge changed the opportunity of filter core and use and avoid blindness, be conducive to make filter core embody the backwash effect of self in the course of the work and use the service life that prolonged filter core and use and economize on resources and crosses the horizontal natural gas filter that the position of filter core in filter chamber arranged rationally and used the convenience when embodying replacing.

Of the present invention also have a task to be to provide a kind of can to ensure cover with cylindrical shell is good fit and keying horizontal natural gas filter efficiently.

For top priority of the present invention is finished in embodiment, technical scheme provided by the invention is: a kind of horizontal natural gas filter, comprise a horizontally-arranged cylindrical shell, be provided with a separator disc in the cylinder chamber of this cylindrical shell, by this separator disc cylinder chamber is divided into inlet chamber and filter chamber, and be equipped with a natural gas that is used for to await filtering at the inlet chamber wall of inlet chamber and be incorporated into intake interface in the inlet chamber, and be equipped with the interface of giving vent to anger that a natural gas after being used for filtering is drawn at the filter chamber wall of filter chamber; One cover, this cover cover with cylindrical shell mutually at the opening corresponding to filter chamber joins; Cross filter core for one group, this was organized filter core and was arranged in the described filter chamber with horizontally-arranged state, be characterised in that: also include a pressure reduction indication mechanism that be used for to show the pressure differential between described inlet chamber and the described filter chamber, this pressure reduction indication mechanism is arranged on the outer wall of described cylindrical shell and with inlet chamber and with filter chamber and communicates; One group of wireway that quantity equates with the described quantity of crossing filter core, one end of each wireway passes described separator disc and is insinuated in the described inlet chamber, and the other end of wireway is with filter core is matched excessively, wherein: the airway lumen of wireway communicates with the filter core chamber of crossing of crossing filter core, and the described position of filter core in filter chamber of crossing is towards an end of described cover.

For the task that also has of the present invention is finished in embodiment, technical scheme provided by the invention is: be installed with a handle in a described cover side outward, be provided with one and be used for cover fast opening and closing mechanism that cover and cylinder cover are joined or opened on described cylindrical shell and in the position corresponding to cover, this cover fast opening and closing mechanism matches with cover.

In a specific embodiment of the present invention, first vent that communicates with inlet chamber is received on top at the inlet chamber wall of described inlet chamber, is used for discharging and the first blowdown interface that communicate with inlet chamber with the hydrops in the inlet chamber and receive one in the bottom of inlet chamber wall; Top at the filter chamber wall of described filter chamber connects second vent that communicates with filter chamber, is used for discharging and the second blowdown interface that communicate with filter chamber with the soiling solution in the filter chamber and connect one in the bottom of filter chamber wall.

In another specific embodiment of the present invention, cross filter core and all be fixed on first supporting disk towards an end of described cover for described one group, and cross filter core towards an end bearing of described wireway on second supporting disk, the end that one group of backstay is fixedly arranged at described separator disc, and the other end of one group of backstay is connected with described first supporting disk after passing described second supporting disk, and is arranged with sleeve pipe at each backstay.

In another specific embodiment of the present invention, described pressure reduction indication mechanism comprises differential pressure indicator, first air valve and second air valve, first air valve is arranged on the described cylindrical shell, and communicate with described filter chamber, this first air valve is connected with differential pressure indicator by first tube connector, second air valve is arranged on the cylindrical shell equally, and communicates with described inlet chamber, and this second air valve is connected with differential pressure indicator by second tube connector.

In another specific embodiment of the present invention, described cover fast opening and closing mechanism comprises first, the second reverse-flighted screw support, cover pivot supporting arrangement, first, second clip, first reverse-flighted screw and second reverse-flighted screw, first, the second reverse-flighted screw support is fixed on the outer wall of described cylindrical shell with facing each other, cover pivot bearing support is fixed on the outer wall of cylindrical shell, and be connected with described cover, first, second clip all is the shape of semicircular ring, and jointly match with cover, wherein: the end at first clip is installed with one first locking seat, the other end is installed with one second locking seat, and be installed with one the 3rd locking seat at an end of second clip, the other end is installed with one the 4th locking seat, first, the 3rd locking seat corresponds to each other and cooperatively interacts, second, the 4th locking seat corresponds to each other and cooperatively interacts, one end of first reverse-flighted screw is connected on the first locking seat rotationally, the middle part is bearing on the first reverse-flighted screw support rotationally, the other end is connected on the 3rd locking seat rotationally, one end of second reverse-flighted screw is connected on the 3rd locking seat rotationally, the middle part is bearing on the second reverse-flighted screw support rotationally, and the other end is connected on the 4th locking seat rotationally.

Also have in the specific embodiment of the present invention, at the described first reverse-flighted screw support one guide rail plate is arranged fixedly, at the guide rail plate one guide rail is arranged fixedly, on the described first locking seat and towards a side pivot of guide rail, be provided with one first roller, and on described the 3rd locking seat and at the position pivot corresponding to guide rail, being provided with one second roller, first, second roller all matches with guide rail.

In of the present invention and then specific embodiment, on the described first reverse-flighted screw support and in the position corresponding to described first reverse-flighted screw, be provided with one first screw bolt seat, on the described second reverse-flighted screw support and in the position corresponding to described second reverse-flighted screw, be provided with one second screw bolt seat, the middle part of described first reverse-flighted screw is bearing on first screw bolt seat rotationally, and the middle part of described second reverse-flighted screw is bearing on second screw bolt seat rotationally.

More of the present invention and in specific embodiment, offer one first lock nut hole at the described first locking seat, offer one second lock nut hole at the 3rd locking seat, first, second system lock nut hole corresponds to each other, and is inserted in first, second lock nut hole by first lock nut the first, the 3rd locking seat is locked to each other; Offer one the 3rd lock nut hole at the described second locking seat, offer one the 4th lock nut hole at the 4th locking seat, three, the 4th lock nut hole corresponds to each other, and is inserted in the 3rd, the 4th lock nut hole by second lock nut the second, the 4th locking seat is locked to each other.

In again of the present invention and then specific embodiment, described cover pivot supporting arrangement comprises vertical shaft frame, vertical shaft and disc, the vertical shaft frame is fixed on the described cylindrical shell, vertical shaft is arranged on the vertical shaft frame, disc constitutes a vertical shaft sleeve towards an end of vertical shaft, vertical shaft sleeve is nested with rotationally on vertical shaft, and disc is fixedlyed connected with cover towards an end of described cover.

Technical scheme provided by the invention has following technique effect: one, owing to be provided with the pressure reduction indication mechanism at cylindrical shell, therefore can correctly determine to change the opportunity of filter core according to the pressure reduction that this pressure reduction indication mechanism discloses, and avoid blindness; They are two years old, because the airway lumen of wireway is communicated with the filter core chamber excessively of crossing filter core, so natural gas inherent filtration core chamber outwards draws, and makes filter core have the effect of backwash, be difficult for being stopped up by little vast impurity, help to increase the service life, economize on resources and improve filter efficiency; Owing to will cross the Position Design of filter core in filter chamber in the end towards cover, thereby very be conducive to improve the convenience of changing and filter core being installed.In addition, ensure that by the cover fast opening and closing mechanism cover is can be with cylindrical shell good fit and open and close reliable and quick.

Description of drawings

Fig. 1 is the cutaway view of horizontal filter of the present invention.

Fig. 2 removes three-dimensional structure diagram behind the cover for Fig. 1.

Fig. 3 is the example structure figure of cover fast opening and closing mechanism of the present invention.

The specific embodiment

For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but all be not restriction to the present invention program to the description of embodiment, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.

See also Fig. 1 and Fig. 2, provided a cylindrical shell 1, this cylindrical shell 1 is horizontally-arranged at the use state, and namely being the level of state is arranged at the field of employment, and supports whole cylindrical shell 1 by the support foot 14 of cylindrical shell 1 bottom.In the cylinder chamber of cylindrical shell 1, be installed with a separator disc 11, be example with present location status illustrated in figures 1 and 2, by this separator disc 11 cylinder chamber is divided into the inlet chamber 12 of left end and the filter chamber 13 of right-hand member, that is to say that inlet chamber 12 is positioned at the left side of separator disc 11, and filter chamber 13 is positioned at the right side of separator disc 11.Upper chambers wall at inlet chamber 12 is connected with first vent 122 that communicates with inlet chamber 12, and be connected with on the lower chamber wall same being used for productive set in the liquid of inlet chamber such as the first blowdown interface 123 of water discharge of communicating with inlet chamber 12, left end position at inlet chamber 12 connects intake interface 121, will have natural gas to be filtered to introduce in the inlet chamber 11 by this intake interface 121.Connect at the upper chambers wall of filter chamber 13 and to be useful on the interface 131 of giving vent to anger that the natural gas after filtering is drawn, and connected one second vent 132, and connected one second blowdown interface 133 in the lower chamber wall of filter chamber 13, by this second blowdown interface 133 soiling solution of productive set in filter chamber 11 discharged.

Shown in figure, cylindrical shell 1 constitutes a shell flange limit 15 towards the port position of an end of cover 2, and offering seal groove 151(Fig. 2 on this shell flange limit 15 towards the end face of cover 2 shows), being embedded sealing ring 1511(Fig. 1 in seal groove 151 shows), cover 2 is joined by the quick revelation locking mechanism 6 of the following cover that also will describe in detail and cylindrical shell 1 lid or is opened.More precisely, cover 2 is corresponding to the accent position of aforesaid filter chamber 11, and constitutes a cover flange 22 at cover 2 towards a side of cylindrical shell 1, and this cover flange 22 matches with aforesaid shell flange limit 15.Set firmly the handle 21 that shape is not subjected to Fig. 1 and shape shown in Figure 3 restriction in cover 2 side outward.

Continuation is referring to Fig. 1 and Fig. 2, crossing filter core 3 for one group is arranged in the filter chamber 11 with horizontally-arranged state, each end of crossing filter core 3 is that the right-hand member of shown position state is positioned on first supporting disk 32 by gland 34 and pull bar 35, and each other end of crossing filter core 3 to be the left end of shown position state be equipped with one crosses filter cartridge seat 36, be positioned on second supporting disk 33 by mistake filter cartridge seat 36, and the left end of aforesaid pull bar 35 is connected (being threaded) with mistake filter cartridge seat 36.Shown in figure, the aforesaid filter cartridge seat 361 of crossing probed into crossing in the filter core chamber 31 of filter core 3, and pull bar 35 was positioned at filter core chamber 31 equally.

One end (left end) of the wireway 5 that one group of quantity equates with the quantity of crossing filter core 3 is passing aforesaid separator disc 11 back summaries to probe in the inlet chamber 12, and the other end of each wireway 5 (right-hand member) connects with aforementioned filter cartridge seat 36 excessively, and the airway lumen 51 of wireway 5 communicates with mistake filter core chamber 31.Introduced filter core chamber 31 by the natural gas to be filtered that has that intake interface 121 is introduced in the inlet chamber 12 from airway lumen 51, and drew and enter filter chamber 13 by the passage of crossing on the filter core 3 37, and then drawn by the interface 131 of giving vent to anger.Because natural gas is outwards drawn from crossing filter core chamber 31, therefore made filter core 3 have the effect of backwash, little vast in the natural gas and can not be difficult for being stained with to the foreign material that use (burning) to exert an influence and combined on the filter core 3, it's the service life of filter core 3 pasts director significantly, reduce and change the frequency, to economize on resources.

Technical essential or title innovative point as technical scheme provided by the invention, set a pressure reduction indication mechanism 4 at cylindrical shell 1, preferably but not the pressure reduction indication mechanism 4 that definitely is limited to comprises first, second air valve 42,43 and differential pressure indicator 41, first air valve 42 is fixed on the cylindrical shell 1, and communicate with aforesaid filter chamber 13, second air valve 43 is fixed on the cylindrical shell 1, and communicate with aforesaid inlet chamber 12, first air valve 42 is connected with differential pressure indicator 41 by first tube connector 421, and second air valve 43 is connected with differential pressure indicator 41 by second tube connector 431.Hence one can see that, and differential pressure indicator 41 is connected in series between first, second tube connector 421,431.When the pressure reduction in inlet chamber 12 and the filter chamber 13 is big, when for example the pressure in the filter chamber 13 is significantly greater than the pressure in the inlet chamber 12, can be disclosed by differential pressure indicator 41 so, so that judging filter core 3 accordingly, the operator stops up seriously and in time takes the replacing measure.Therefore, can avoid changing the blindness of filter core 3 with respect to prior art.

Shown in figure, cross the position of filter core 3 in filter chamber 13 towards an end of cover 2 for one group, thereby help convenient the taking-up or installation.Again, be equipped with one group of backstay 111 at aforesaid separator disc 11, that is to say that an end of this group backstay 111 and separator disc 11 are fixing, and the other end fixedlyed connected with first supporting disk 32 after passing second supporting disk 33.Preferred scheme also can be on each backstay 111 sheathed sleeve pipe 1111, an end of sleeve pipe 1111 is kept out on separator disc 11, and the other end is kept out on first supporting disk 32.

See also Fig. 3, as another technical essential or the title innovative point of technical scheme provided by the invention, the cover fast opening and closing mechanism 6 that provides can ensure that cover 2 and cylindrical shell 1 are good fit, and opens and closes quick and reliable.Preferably but not the cover fast opening and closing mechanism 6 that definitely is limited to comprises first, second reverse-flighted screw support 61,62, cover pivot supporting arrangement 63, first, second clip 64,65, first reverse-flighted screw 66 and second reverse-flighted screw 67, the shape of the first reverse-flighted screw support 61 is 7 fonts, be fixed on the cylindrical shell 1, at this first reverse-flighted screw support 61 a guide rail plate 611 and one first screw bolt seat 612 are arranged fixedly, fixedly have a guide rail 6111(also can claim the guide rail bar at guide rail plate 611).The second reverse-flighted screw support 62 is fixed on the cylindrical shell 1, and it is corresponding with the first reverse-flighted screw support 61, here the concept of alleged correspondence refers to first, second reverse-flighted screw support 61,62 each other in face-to-face relationship, namely at the circumferencial direction of cylindrical shell 1 apart 180 °.Be provided with one second screw bolt seat 621 at the second reverse-flighted screw support 62.Cover pivot supporting arrangement 63 comprises vertical shaft frame 631, vertical shaft 632 and disc 633, vertical shaft frame 631 is fixed on the cylindrical shell 1, vertical shaft 632 is located on the vertical shaft frame 631, and the two ends at vertical shaft 632 respectively are equipped with centring ring 6321, disc 633 constitutes a vertical shaft sleeve 6331 towards an end of vertical shaft 632, this vertical shaft sleeve 6331 is nested with rotationally on vertical shaft 632, and disc 633 is connected with cover 2 towards a side of aforesaid cover 2.The shape of first clip 64 and second clip 65 all is the semicircular ring shape, understanding for the ease of the public, figure 3 illustrates first draw-in groove 643 on first clip 64 and second draw-in groove 653 on second clip 65, first, second draw-in groove 643,653 is inserted for aforesaid cover flanges 22 and shell flange limit 15.End at first clip 64 fixedly has one first locking seat 641, and the other end fixedly has one second locking seat 642, and on the first locking seat 641, be provided with one first roller 6411 rotationally, and offer one first lock nut hole 6412, be provided with one first reverse-flighted screw nut 6413 in addition; Offer the 3rd lock nut hole 6421 at the first locking seat 642.End at second clip 65 fixedly has one the 3rd locking seat 651, and the other end fixedly has one the 4th locking seat, 652, the three locking seats 651 corresponding with the aforesaid first locking seat 641, and the 4th locking seat 652 is corresponding with aforesaid the 3rd locking seat 642.On the 3rd locking seat 651, be provided with one first roller 6511 rotationally, and offer the second lock nut hole 6512 corresponding with the aforesaid first lock nut hole 6412, a position, be provided with one second reverse-flighted screw nut 6513 in addition; On the 4th locking seat 652 and in the position corresponding to the 3rd lock nut hole 6421, offer one the 4th lock nut hole 6521.First, second roller 6411,6511 all rolls with aforesaid guide rail 6111 and cooperates, and namely constitutes rolling pair with guide rail 6111.One end of first reverse-flighted screw 66 and the aforesaid first reverse-flighted screw nut 6413 are rotationally connected, and the middle part is bearing on first screw bolt seat 612 rotationally, and the other end and the aforesaid second reverse-flighted screw nut 6513 are rotationally connected.When cooperating with the square toes 661 of first reverse-flighted screw, 66 ends with handle and carrying out clockwise or counterclockwise operating grip; driven by this first reverse-flighted screw 66 then that the first, the 3rd locking seat 641,651 closes up each other or the phase mutual exclusion is opened; when closing up; by first, second clip 64,65 cover flange 22 and shell flange limit 15 are located; cover 2 is joined with cylindrical shell 1 lid reliably, and vice versa.One end of second reverse-flighted screw 67 be arranged on the 3rd locking seat 642 be equivalent to the first reverse-flighted screw nut 6413 but unshowned in the drawings bolt and nut be rotationally connected, the middle part is bearing on second screw bolt seat 621 rotationally, the other end be arranged on the 4th locking seat 652 be equivalent to the second reverse-flighted screw nut 6513 but unshowned in the drawings bolt and nut be rotationally connected.The mode of handling second reverse-flighted screw 67 is as to handling the description of first reverse-flighted screw 66.

To open cover 2 in order preventing from opening by mistake, therefore, to plug one first lock nut 7 in aforesaid first, second lock nut hole 6412,6512, and limit with first lock nut 71; In aforesaid the 3rd, the 4th lock nut hole 6421,6,521 one second lock nut 8 of planting, and with 81 restrictions of second lock nut.So, before handling first, second reverse-flighted screw 66,67, remove first, second lock nut 7,8 locking earlier, otherwise 642, the 652 phase mutual exclusions of the first, the 3rd locking seat the 641,651 and second, the 4th locking seat are opened, cover 2 just can't be opened, thereby can guarantee to open the security of cover 2.

The applicant sketches operation principle of the present invention, natural gas to be filtered is introduced inlet chamber 12 from intake interface 121, from the filter core chamber 31 excessively that the airway lumen 51 of wireway 5 was introduced filter core 3, enter filter chamber 13 through the pure natural gas after filter core 3 filtrations, interface 131 is drawn by giving vent to anger.During contamination in will getting rid of inlet chamber 12 and filter chamber 13, the blowoff valve of then opening on first, second blowdown interface 123,133 gets final product.In the time will changing filter core 3, then before cover fast opening and closing mechanism 6 is opened cover 2, by the valve on first, second vent 122,123 residual gas in the cylinder chamber of cylindrical shell 1 is got rid of earlier, then cover 2 is opened in the description of cover fast opening and closing mechanism 6 in the above according to the applicant, the backstay lock nut 1112 that whiz is connected with backstay 111 is crossed filter core 3 with one group and is taken out from filter chamber 11 together with first, second supporting disk 32,33.The process of filter core 3 of packing into is opposite with the operating sequence of take out filtering.

In sum, technical scheme provided by the invention has overcome the deficiency in the prior art objectively, has embodied the applicant at the technique effect described in the technique effect hurdle comprehensively, has finished the invention task, and therefore can yet be regarded as is a ultimate attainment technical scheme

Claims

1. A kind of horizontal natural gas filter, comprise a horizontally-arranged cylindrical shell (1), be provided with a separator disc (11) in the cylinder chamber of this cylindrical shell (1), by this separator disc (11) cylinder chamber is divided into inlet chamber (12) and filter chamber (13), and be equipped with a natural gas that is used for to await filtering at the inlet chamber wall of inlet chamber (12) and be incorporated into intake interface (121) inlet chamber (12) in, and be equipped with an interface of giving vent to anger (131) of drawing for the natural gas after will filtering at the filter chamber wall of filter chamber (13); One cover (2), this cover (2) cover with cylindrical shell (1) mutually at the opening corresponding to filter chamber (13) joins; Cross filter core (3) for one group, this was organized filter core (3) and was arranged in the described filter chamber (13) with horizontally-arranged state, it is characterized in that: also include a pressure reduction indication mechanism (4) that be used for to show the pressure differential between described inlet chamber (12) and the described filter chamber (13), this pressure reduction indication mechanism (4) is arranged on the outer wall of described cylindrical shell (1) and with inlet chamber (12) and with filter chamber (13) and communicates; One group of wireway (5) that quantity equates with the described quantity of crossing filter core (3), one end of each wireway (5) passes described separator disc (11) and is insinuated in the described inlet chamber (12), and the other end of wireway (5) is with filter core (3) is matched excessively, wherein: the airway lumen (51) of wireway (5) communicates with the filter core chamber (31) of crossing of crossing filter core (3), and the described position of filter core (3) in filter chamber (13) of crossing is towards an end of described cover (2).

2. Horizontal natural gas filter according to claim 1, it is characterized in that being installed with a handle (21) in described cover (a 2) side outward, upward and in the position corresponding to cover (2) be provided with one for the cover fast opening and closing mechanism (6) that cover (2) and cylindrical shell (1) lid are joined or opened at described cylindrical shell (1), this cover fast opening and closing mechanism (6) matches with cover (2).

3. Horizontal natural gas filter according to claim 1, it is characterized in that receiving first vent (122) that communicates with inlet chamber (12) on the top of the inlet chamber wall of described inlet chamber (12), be used for discharge and the first blowdown interface (123) that communicate with inlet chamber (12) with the hydrops inlet chamber (12) in and receive one in the bottom of inlet chamber wall; Top at the filter chamber wall of described filter chamber (13) connects second vent (132) that communicates with filter chamber (13), is used for discharge and the second blowdown interface (133) that communicate with filter chamber (13) with the soiling solution filter chamber (13) in and connect one in the bottom of filter chamber wall.

4. Horizontal natural gas filter according to claim 1, it is characterized in that described one group is crossed filter core (3) and all is fixed on first supporting disk (32) towards an end of described cover (2), and cross filter core (3) towards an end bearing of described wireway (5) on second supporting disk (33), the end that one group of backstay (111) is fixedly arranged at described separator disc (11), and the other end of one group of backstay (111) is connected with described first supporting disk (32) after passing described second supporting disk (33), and is arranged with sleeve pipe (1111) at each backstay (111).

5. Horizontal natural gas filter according to claim 1, it is characterized in that described pressure reduction indication mechanism (4) comprises differential pressure indicator (41), first air valve (42) and second air valve (43), first air valve (42) is arranged on the described cylindrical shell (1), and communicate with described filter chamber (13), this first air valve (42) is connected with differential pressure indicator (41) by first tube connector (421), second air valve (43) is arranged on the cylindrical shell (1) equally, and communicate with described inlet chamber (12), this second air valve (43) is connected with differential pressure indicator (41) by second tube connector (431).

6. Horizontal natural gas filter according to claim 1, it is characterized in that described cover fast opening and closing mechanism (6) comprises first, the second reverse-flighted screw support (61,62), cover pivot supporting arrangement (63), first, second clip (64,65), first reverse-flighted screw (66) and second reverse-flighted screw (67), first, the second reverse-flighted screw support (61,62) be fixed on the outer wall of described cylindrical shell (1) with facing each other, cover pivot supporting arrangement (63) is fixed on the outer wall of cylindrical shell (1), and be connected with described cover (2), first, second clip (64,65) all be the shape of semicircular ring, and jointly match with cover (2), wherein: the end at first clip (64) is installed with one first locking seat (641), the other end is installed with one second locking seat (642), and be installed with one the 3rd locking seat (651) at an end of second clip (65), the other end is installed with one the 4th locking seat (652), first, the 3rd locking seat (641,651) correspond to each other and cooperatively interact, second, the 4th locking seat (642,652) correspond to each other and cooperatively interact, one end of first reverse-flighted screw (66) is connected on the first locking seat (641) rotationally, the middle part is bearing on the first reverse-flighted screw support (61) rotationally, the other end is connected on the 3rd locking seat (651) rotationally, one end of second reverse-flighted screw (67) is connected on the 3rd locking seat (642) rotationally, the middle part is bearing on the second reverse-flighted screw support (62) rotationally, and the other end is connected on the 4th locking seat (652) rotationally.

7. Horizontal natural gas filter according to claim 6, it is characterized in that at the described first reverse-flighted screw support (61) a guide rail plate (611) being arranged fixedly, at guide rail plate (611) guide rail (6111) is arranged fixedly, go up and be provided with one first roller (6411) towards a side pivot of guide rail (6111) at the described first locking seat (641), and upward and at the position pivot corresponding to guide rail (6111) be provided with one second roller (6511), first at described the 3rd locking seat (651), second roller (6411,6511) all match with guide rail (6111).

8. Horizontal natural gas filter according to claim 6, it is characterized in that on the described first reverse-flighted screw support (61) and in the position corresponding to described first reverse-flighted screw (66), being provided with one first screw bolt seat (612), on the described second reverse-flighted screw support (62) and in the position corresponding to described second reverse-flighted screw (67), be provided with one second screw bolt seat (621), the middle part of described first reverse-flighted screw (66) is bearing on first screw bolt seat (612) rotationally, and the middle part of described second reverse-flighted screw (67) is bearing on second screw bolt seat (621) rotationally.

9. Horizontal natural gas filter according to claim 6, it is characterized in that offering one first lock nut hole (6412) at the described first locking seat (641), offer one second lock nut hole (6512) at the 3rd locking seat (651), first, second system lock nut hole (6412,6512) corresponds to each other, and is inserted in first, second lock nut hole (6412,6512) by first lock nut (7) the first, the 3rd locking seat (641,651) is locked to each other; Offer one the 3rd lock nut hole (6421) at the described second locking seat (642), offer one the 4th lock nut hole (6521) at the 4th locking seat (652), three, the 4th lock nut hole (6421,6521) correspond to each other, and by in second lock nut (8) insertion the 3rd, the 4th lock nut hole (6421,6521) the second, the 4th locking seat (642,652) being locked to each other.

10. Horizontal natural gas filter according to claim 6, it is characterized in that described cover pivot supporting arrangement (63) comprises vertical shaft frame (631), vertical shaft (632) and disc (633), vertical shaft frame (631) is fixed on the described cylindrical shell (1), vertical shaft (632) is arranged on the vertical shaft frame (631), disc (633) constitutes a vertical shaft sleeve (6331) towards an end of vertical shaft (632), vertical shaft sleeve (6331) is nested with rotationally on vertical shaft (632), and disc (633) is fixedlyed connected with cover (2) towards an end of described cover (2)