CN2085251U

CN2085251U - Natural gas filter

Info

Publication number: CN2085251U
Application number: CN 91200432
Authority: CN
Inventors: 王武; 罗作忠; 刘宗良; 刘志美
Original assignee: Huadong Survey & Design Inst China Petroleum And Natural Gas Corp
Current assignee: Huadong Survey & Design Inst China Petroleum And Natural Gas Corp
Priority date: 1991-01-12
Filing date: 1991-01-12
Publication date: 1991-09-25

Abstract

The utility model relates to a natural gas filter, comprising a cylinder body, a cylinder lid, a gas inlet pipe, a gas outlet bent pipe, an air exhausting pipe, a safety device, a core filtering device, and a core filtering supporting device, wherein, the core filtering device is composed of a plurality of filtering core single pieces, and each filtering core single piece is composed of upper and lower concave circular ring dishes, an outer layer filtering net and a filtering cylinder wall. With compact structure, easy production, large filtering area ratio, fast filtering speed, small pressure drop, high filtering efficiency, convenient cleaning, and safe use, the natural gas filter is suitable for filtering particulates of 0.3-20 mu m.

Description

Natural gas filter

The utility model relates to the filter of a kind of filter, particularly petroleum gas.

The dust impurity that has some in the natural gas, or because the impurity that some is brought in technologic requirement into (for example: the drying process of molecular sieve), these contaminant particles will have a strong impact on machines such as employed compressor formation, the separation method of available technology adopting not only equipment is huge, efficiency of dust collection is low, weak effect, pressure drop is big, and the difficult particulate that accounts for a large amount of 1-10 μ m in the petroleum gas of removing.

The purpose of this utility model is to solve the practical problem that exists in the prior art, provides a kind of filter area than big, and the rate of filtration is fast, resistance is little, pressure drop is little, efficient height, and simple in structure, the manufacturing of acid and alkali-resistance, anti-any temperature below 100 ℃ and easy to operate natural gas filter.

Filter of the present utility model is by cylindrical shell, cover, air inlet pipe, the bend pipe of giving vent to anger, evacuated tube, safety device, filtering core device and filter core bracing or strutting arrangement are formed, cover is positioned on an end of cylindrical shell, safety device can be contained on the cover, and evacuated tube is positioned on the bottom of cylindrical shell, and the air inlet pipe and the bend pipe of giving vent to anger relatively are contained in the sidewall of cylindrical shell, filtering core device and filter core bracing or strutting arrangement are positioned on the bend pipe of giving vent to anger, and are in the middle part of cylindrical shell.

Natural gas filter of the present utility model, filter area is than big, and the rate of filtration is fast, resistance is little, and the filter efficiency height can filter out 0.3-20 μ m well, especially the particulate of 1-10 μ m, and acid and alkali-resistance, anti-any temperature below 100 ℃, this filtration device structure is simple, compact, and is easy to manufacture, and cost is low, operation, maintenance are conveniently, safe in utilization, reliable, in the industrial gas oil exploitation, very big popularizing value is arranged.

For introducing the utility model in detail, be elaborated below in conjunction with accompanying drawing:

Fig. 1 is the sectional structure sketch of filter of the present utility model;

Fig. 2 is the structure diagram of the filter core bracing or strutting arrangement of filter of the present utility model;

Fig. 3 is the structure diagram of filtering core device single-piece of the filtering core device of this filter;

Fig. 4 is the vertical view of partial cutaway of the filtering core device single-piece of filtering core device among Fig. 1;

Fig. 5 is the structural representation of the amplification of circle I part among Fig. 3.

With reference to Fig. 1, natural gas filter of the present utility model is by cylindrical shell 1, cover 2, air inlet pipe 3, escape pipe 4, evacuated tube 5, safety device 6, filtering core device 7 and filter core bracing or strutting arrangement 8 are formed, and cover 2 is positioned on an end of cylindrical shell 1, and safety device 6 can be positioned on the cover 2, evacuated tube 5 is positioned on the bottom of cylindrical shell 1, the air inlet pipe 3 and the bend pipe 4 of giving vent to anger relatively are installed in the sidewall of cylindrical shell 1, and filtering core device 7 and filter core bracing or strutting arrangement 8 are positioned on the bend pipe 4 of giving vent to anger, and are in the middle part of cylindrical shell 1.

General filter adopts upright duty, and cover 2 can be opened from cylindrical shell 1 easily, and its opening structure 9 can adopt modes such as hinge of the prior art or suspension rod, conveniently overhauls or change, cleans filtering core device 7.

The air inlet pipe 3 and the bend pipe 4 of giving vent to anger be not directly facing to filtering core device 7, prevent the work effect of high-rate fitration airflow influence filtering core device 7, air inlet pipe 3 falls naturally with the bend pipe 4 relative elbow parts that make the big grain impurity in the natural gas run into bend pipe 4 of installing of giving vent to anger, and filtering core device 7 outer surfaces have good dust rebound elasticity.Evacuated tube 5 is used for regular or irregular emptying and filters the dust impurity that gets off.This filtration device structure compactness, displacement, cleaning filtering core device etc. are easy to operate.

With reference to Fig. 2, filter core bracing or strutting arrangement 8 is by bottom plate 81, top board 82, clamp nut 83 and at least two support bars 84 are formed, and support bar 84 and bottom plate 81 are connected on the bend pipe 4 of giving vent to anger, support bar 84 outside suit filtering core devices 7, top board 82 is pressed on the filtering core device 7, clamp nut 83 is arranged on the top board 82, and support bar 84 wherein preferably has three or four, preferably is welded on the outlet bend pipe 4 or outside the pipe.

With reference to Fig. 3, Fig. 4, Fig. 5, the filtering core device 7 of filter of the present utility model is made up of the filter core single-piece 700 that at least one comprises upper and lower spill garden ring dish 71 and filtration barrel 72, generally filtering single-piece 700 by 2 to 3 forms, barrel 72 in the filter core single-piece 700 is put into the groove 711 of garden ring dish 71, and the encapsulant 712 of available for example epoxy resin seals reliably.The upper and lower end of filter core single-piece 700 is equipped with sealing ring 713, realizes and the bottom plate 81 of filter core bracing or strutting arrangement 8, the sealing of top board 82, also realizes the mutual sealing of 700 of two filter core single-pieces.Filter barrel 72 and be made up of filtering layer 721 and orifice plate cylinder 722, orifice plate cylinder 722 forms the inwall that filters barrel 72, is full of diameter 5 on the orifice plate cylinder 722 to 20mm, and pitch-row is 10 to 30mm hole 750.Filtering layer 721 is by outer filter 733, filter cloth 734, inner filter screen 735 is formed, outer filter 733 and inner filter screen 735 are 20 to 60 purpose stainless steel cloths, two can have identical or different order number, meltblown non-woven goods or the needle point method non-woven goods of filtering layer 734 for having omnidirectional three-dimensional structure, filter layer of cloth 734 can be one deck said products, also can be the composite bed of the above identical type of one deck or different types of said products, its thickness is between 1-20mm, by outer filter 733, filtering layer 734, the filtering layer 721 that inner filter screen 735 is formed produces the wrinkle wall of the bending waveform of the square waveform that is rule or sinusoidal waveform or triangular waveform or non-rule, can clearly be seen that the version of the wrinkle wall of filtering layer 721 from Fig. 4.This structure can increase the filter area ratio, and the rate of filtration is fast, and resistance is little.

The filter of the structure and material that the utility model adopted not only is used to filter natural gas, also be suitable for the filtration of other gas, and materials such as the certain density kerosene that exists in the ability gas, acetone, oxirane, working media that also can anti-any temperature below 100 ℃.

This filter can clean with cleaning agent, also can vibrate or cleaning method such as blowback cleans.

Claims

1, a kind of natural gas filter is characterized in that by cylindrical shell cover, air inlet pipe, the bend pipe of giving vent to anger, evacuated tube, safety device, filtering core device and filter core bracing or strutting arrangement are formed, and cover is positioned on an end of cylindrical shell, and safety device can be contained on the cover, evacuated tube is positioned on the bottom of cylindrical shell, the air inlet pipe and the bend pipe of giving vent to anger relatively are contained in the sidewall of cylindrical shell, and filtering core device and filter core bracing or strutting arrangement are positioned on the bend pipe of giving vent to anger, and are in the middle part in the cylindrical shell.

2, according to the natural gas filter of claim 1, it is characterized in that: the filter core bracing or strutting arrangement is by bottom plate, top board, clamp nut and at least two support bars are formed, support bar and bottom plate are connected on the bend pipe of giving vent to anger, the outer suit filtering core device of support bar, top board is pressed on the filtering core device, and clamp nut is arranged on the top board.

3, according to the natural gas filter of claim 1, it is characterized in that: filtering core device is made up of the filter core single-piece that at least one comprises upper and lower spill garden ring dish and filtration barrel, and the barrel in the filter core single-piece is put into the groove of garden ring dish, and the available epoxy sealing.

4, according to the natural gas filter of claim 3, it is characterized in that: the upper and lower end of filter core single-piece is equipped with sealing ring.

5, according to the natural gas filter of claim 3, it is characterized in that: filter barrel and be made up of the filtering layer and the orifice plate garden tube of the bending waveform of the square waveform that is rule or sinusoidal waveform or triangular waveform or non-rule, orifice plate garden tube is an inwall.

6, according to the natural gas filter of claim 5, it is characterized in that: filtering layer is made up of outer filter, filter layer of cloth, inner filter screen.

7, according to the natural gas filter of claim 6, it is characterized in that: outer filter, inner filter screen are 20 to 60 purpose stainless steel cloths, can have identical or different order number.

8, according to the natural gas filter of claim 6, it is characterized in that: filter layer of cloth is meltblown non-woven goods or the needle point method non-woven goods with omnidirectional three-dimensional structure.

9, according to the natural gas filter of claim 6 or 8, it is characterized in that: filter layer of cloth is a laminate, or is the composite bed of above identical type of one deck or variety classes goods, and its thickness is between 1 to 20mm.

10, according to the natural gas filter of claim 5, it is characterized in that: be full of diameter 5 to 20mm adjacent pitch-rows on the tube of orifice plate garden from the hole that is 10 to 30mm.