CN213537836U

CN213537836U - Gas filtering device for natural gas exploitation

Info

Publication number: CN213537836U
Application number: CN202022444611.9U
Authority: CN
Inventors: 修云鹏; 张瀚悦; 霍亚平; 何建宇; 易强; 何治华; 张永忠
Original assignee: Sichuan Chongda Oil & Gas Technology Service Co ltd
Current assignee: Sichuan Chongda Oil & Gas Technology Service Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-25
Anticipated expiration: 2030-10-28

Abstract

The utility model provides a gas filter equipment for natural gas exploitation, include rose box, first air duct, cooler bin, second air duct, water tank and the drying cabinet that sets gradually along natural gas direction of delivery, the water tank distributes in the downside of cooler bin, wherein: be provided with filtering component in the rose box, the lateral wall of rose box runs through and is provided with the intake pipe, the bottom of rose box runs through and is provided with row's miscellaneous pipe, intake pipe and row's miscellaneous pipe are equallyd divide and are arranged in filtering component's downside, the first end of first air duct runs through the top of rose box, the second end of first air duct runs through the top of cooler bin, the second air duct runs through the bottom of cooler bin, be provided with the spiral pipe in the cooler bin, first air duct and second air duct pass through the spiral pipe intercommunication, the other end of second air duct runs through the top of water tank, the water tank passes through third air duct and drying cabinet intercommunication, run through on. The utility model discloses can simple structure, be convenient for filter and drying process the natural gas.

Description

Gas filtering device for natural gas exploitation

Technical Field

The utility model relates to a natural gas exploitation technical field particularly, relates to a gas filter equipment for natural gas exploitation.

Background

Natural gas is a gas that naturally occurs in nature, and the definition of natural gas that has been commonly used for a long time is a narrow definition from the energy point of view, and refers to a mixture of hydrocarbon and non-hydrocarbon gases that naturally reside in the bottom layer. In petroleum geology, oil field gas and gas field gas are commonly used in large quantities in production and life of people.

The natural gas of just exploiting is in high pressure state, can carry a large amount of solid liquid impurity when the discharge, and solid impurity can lead to exploitation equipment to break down, causes the natural gas transportation pipeline impaired or blocks up etc. and liquid impurity is mostly water, and some water exist with the gaseous form in addition, and these water can combine the acid gas in the natural gas can cause the corruption to the natural gas transportation pipeline, consequently need carry out filtration to the natural gas of just exploiting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas filter equipment for natural gas exploitation, its simple structure can filter and drying process the natural gas.

The embodiment of the utility model discloses a realize through following technical scheme:

the utility model provides a gas filter equipment for natural gas exploitation, includes rose box, first air duct, cooler bin, second air duct, water tank and the drying cabinet that sets gradually along natural gas direction of delivery, the water tank distribute in the downside of cooler bin, wherein: be provided with filtering component in the rose box, the lateral wall of rose box runs through and is provided with the intake pipe, the bottom of rose box runs through and is provided with row's miscellaneous pipe, the intake pipe with arrange miscellaneous pipe equally divide distribute in filtering component's downside, the first end of first air duct runs through the top of rose box, the second end of first air duct runs through the top of cooler bin, the second air duct runs through the bottom of cooler bin, be provided with the spiral pipe in the cooler bin, first air duct with the second air duct passes through the spiral pipe intercommunication, the other end of second air duct runs through the top of water tank, the water tank pass through the third air duct with the drying cabinet intercommunication, run through on the drying cabinet and be provided with the outlet duct.

According to a preferred embodiment, the filter box comprises a lower filter box and an upper filter box connected to each other, between which the filter assembly is removably mounted. The inner surface of the bottom end of the lower filter box is hemispherical, the air inlet pipe is distributed at the center of the bottom end of the lower filter box, the air inlet pipe penetrates through the side wall of the lower filter box and is distributed close to the top end of the lower filter box, and the first air guide pipe penetrates through the top end of the upper filter box.

According to a preferred embodiment, the filter assembly comprises a frame, a first filter screen is arranged in the frame, an upper sealing strip is arranged at the upper end of the frame, a lower sealing strip is arranged at the lower end of the frame, an upper sealing groove matched with the upper sealing strip is formed in the bottom end of the upper filter box, and a lower sealing groove matched with the lower sealing strip is formed in the top end of the lower filter box.

According to a preferred embodiment, the outer side of the frame is provided with a first flange.

According to a preferred embodiment, the outer side of the upper filter box and the outer side of the lower filter box are each provided with a second flange, the upper filter box and the lower filter box being connected by a bolt assembly, wherein: the bolt assembly extends through the second flange.

According to a preferred embodiment, the top end and the bottom end of the cooling box are provided with first plugs in a penetrating mode, and the top end and the bottom end of the water tank are provided with second plugs in a penetrating mode.

According to a preferred embodiment, a desiccant is placed in the drying box, and the third air duct extends to the interior of the desiccant.

According to a preferred embodiment, the air inlet end of the air outlet pipe is provided with a second filter screen.

According to a preferred embodiment, the side wall of the lower filter box is provided with an observation window, and the observation window is provided with scale marks.

According to a preferred embodiment, the inlet pipe is provided with a first valve and the impurity discharge pipe is provided with a second valve.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

the utility model relates to a rationally, simple structure, the intake pipe sets up in the lateral wall of rose box for the solid impurity who erupts can not strike filtering component, filtering component's life has effectively been prolonged, and the liquid water that produces through the spiral pipe cooling can collect and concentrate in the water tank and discharge, avoids a large amount of water directly to get into the drying cabinet and carries out the drying, can prolong the life of drier, and make through outlet duct eduction gear's natural gas by abundant drying, can effectively improve staff's work efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a cross-sectional structure of the middle filter box of the present invention.

Icon: 1-a lower filter box, 2-a first valve, 3-an air inlet pipe, 4-a first flange, 5-a bolt assembly, 6-a second flange, 7-an upper filter box, 8-a first air guide pipe, 9-a first plug, 10-a cooling box, 11-a spiral pipe, 12-a second air guide pipe, 13-a water tank, 14-a second plug, 15-a third air guide pipe, 16-an air outlet pipe, 17-a second filter screen, 18-a drying box, 19-a drying agent, 20-an impurity discharge pipe, 21-a second valve, 22-a scale mark, 23-an observation window, 24-a frame, 25-a first filter screen, 26-an upper seal groove, 27-an upper seal strip, 28-a lower seal strip, 29-a lower seal groove and 30-cooling water.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted 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 and 2, a gas filtering device for natural gas exploitation includes a filtering box, a first gas-guide tube 8, a cooling box 10, a second gas-guide tube 12, a water tank 13 and a drying box 18, which are sequentially arranged along a natural gas conveying direction, wherein the water tank 13 is distributed on a lower side of the cooling box 10, wherein: be provided with filtering component in the rose box, the lateral wall of rose box runs through and is provided with intake pipe 3. In this embodiment, as shown in fig. 2, 3 horizontal settings of intake pipe, the solid impurity level that it carried sprays the back and directly strikes on the inner wall of rose box, and gas overflows the rose box from the first air duct 8 of top under the pressure effect, and solid impurity deposit is in the rose box bottom under the effect of gravity, can avoid directly striking filtering component, makes its life extension.

The bottom of rose box runs through and is provided with row miscellaneous pipe 20, and intake pipe 3 and row miscellaneous pipe 20 all distribute in filtering component's downside, and the first end of first air duct 8 runs through the top of rose box, and the second end of first air duct 8 runs through the top of cooler bin 10, and second air duct 12 runs through the bottom of cooler bin 10, is provided with spiral pipe 11 in the cooler bin 10, and first air duct 8 and second air duct 12 pass through spiral pipe 11 intercommunication. In this embodiment, as shown in fig. 2, the cooling tank 10 is filled with cooling water 30 for cooling the natural gas flowing through the coil 11, so that the gaseous water therein is liquefied. The spiral pipe 11 is vertically arranged, so that liquid water formed by cooling is conveniently discharged. The other end of the second air duct 12 penetrates through the top end of the water tank 13, the water tank 13 is communicated with the drying oven 18 through a third air duct 15, and an air outlet duct 16 penetrates through the drying oven 18.

Specifically, as shown in fig. 1, after the natural gas to be filtered enters the filter box through the air inlet pipe 3 and is filtered, solid impurities are discharged out of the filter box through the impurity discharge pipe 20, the primarily filtered natural gas enters the spiral pipe 11 through the first air duct 8 and is cooled, gaseous water in the natural gas is liquefied after being cooled and flows into the water tank 13 through the second air duct 12 to be stored, the natural gas enters the drying box 18 through the third air duct 15 to be subjected to final drying treatment, and finally, the natural gas is discharged through the air outlet pipe 16. In this embodiment, the inlet end of the outlet pipe 16 is provided with a second filter 17, which can prevent the desiccant 19 from entering the natural gas conveying pipeline along with the natural gas.

In this embodiment, as shown in fig. 2, the filter tank includes a lower filter tank 1 and an upper filter tank 7 connected to each other, and a filter assembly is detachably installed between the lower filter tank 1 and the upper filter tank 7. Further, the filter assembly includes a frame 24, a first filter screen 25 is arranged in the frame 24, an upper sealing strip 27 is arranged at the upper end of the frame 24, a lower sealing strip 28 is arranged at the lower end of the frame 24, an upper sealing groove 26 matched with the upper sealing strip 27 is formed in the bottom end of the upper filter box 7, and a lower sealing groove 29 matched with the lower sealing strip 28 is formed in the top end of the lower filter box 1. In this embodiment, the upper seal 27 and the lower seal 28 are made of rubber having elasticity. For sealing the internal space of the filter box formed by the lower filter box 1 and the upper filter box 7 and preventing the natural gas from leaking. Specifically, as shown in fig. 2, the end surface shape of the frame 24 is consistent with the top end surface shape of the lower filter tank 1 and the bottom end surface shape of the upper filter tank 7, so that the installation is convenient.

In order to facilitate the discharge of the filtered solid impurities out of the filter box, the inner surface of the bottom end of the lower filter box 1 is hemispherical, and the air inlet pipe 3 is distributed at the center of the bottom end of the lower filter box 1. The air inlet pipe 3 penetrates through the side wall of the lower filter box 1 and is distributed near the top end of the lower filter box 1, and the first air guide pipe 8 penetrates through the top end of the upper filter box 7.

In this embodiment, the outer side surface of the frame 24 is provided with the first flange 4. Make things convenient for the staff to take frame 24 to when first filter screen 25 blockked up, the staff can strike first flange 4 with the small iron hammer, thereby makes first filter screen 25 shake, makes attached solid impurity on first filter screen 25 drop, is convenient for clear up first filter screen 25, reduces dismounting device's number of times, has improved work efficiency.

Further, go up the lateral surface of rose box 7 and the lateral surface of rose box 1 down and all dispose second flange 6, go up rose box 7 and pass through bolt assembly 5 with lower rose box 1 and connect, wherein: the bolt assembly 5 extends through the second flange 6. Be provided with the through-hole on the first flange 4, the diameter of through-hole is greater than the diameter of screw, can not loosen bolt assembly beating first flange 4. The bolt assembly includes a threaded rod and a nut. As shown in fig. 2, the screw penetrates the first flange 4 and the second flange 6 for the fixed connection of the lower filter box 1 and the upper filter box 7.

Further, the top and the bottom of cooling tank 10 all run through and are provided with first stopper 9, and the top and the bottom of water tank 13 all run through and are provided with second stopper 14. Water is added to the top of the cooling tank 10, and water is discharged from the bottom of the cooling tank 10. The first plug 9 is screwed to the cooling box 10. The second stopper 14 is screw-coupled to the water tank 13. Specifically, when the temperature of the cooling water 30 in the cooling tank 10 is too high, the temperature is changed from the first plug 9 on the cooling tank 10. When the water in the water tank 13 is accumulated to a certain amount, the second stopper 14 is opened to be discharged. When the second plug 14 at the top end of the water tank 13 is removed, the air pressure inside and outside the water tank 13 can be balanced, and the water can be drained conveniently.

In this embodiment, a desiccant 19 is placed in the drying box 18, and the third air duct 15 extends to the inside of the desiccant 19, so that the natural gas is sufficiently dried.

In order to facilitate observation of the amount of solid impurities in the lower filtration tank 1, the side wall of the lower filtration tank 1 is provided with an observation window 23 as shown in fig. 1, and the observation window 23 is provided with scale lines 22. In this embodiment, the observation window 23 is made of a transparent material, such as tempered glass. The graduation marks 22 facilitate the judgment of the amount of impurities by the worker.

Further, the intake pipe 3 is provided with a first valve 2, and the impurity discharging pipe 20 is provided with a second valve 21. In this embodiment, before opening the second valve 21 to discharge solid impurities and opening the second plug 14 to discharge water, the first valve 2 needs to be closed to avoid waste of natural gas.

The utility model discloses a theory of operation: after the natural gas to be filtered enters the filter box through the air inlet pipe 3 to be filtered, solid impurities are discharged out of the filter box through the impurity discharging pipe 20, the primarily filtered natural gas enters the spiral pipe 11 through the first air duct 8 to be cooled, gaseous water in the natural gas is liquefied after being cooled and flows into the water tank 13 through the second air duct 12 to be stored, the natural gas enters the drying box 18 through the third air duct 15 to be subjected to final drying treatment, and finally the natural gas is discharged out of the device through the air outlet pipe 16. If first filter screen 25 takes place slight jam, can strike first flange 4 and handle, if first filter screen 25 takes place serious jam, the staff closes intake pipe 3, demolish bolt assembly and take out filter assembly and clear up can.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A gas filter device for natural gas exploitation is characterized in that: including rose box, first air duct (8), cooler bin (10), second air duct (12), water tank (13) and drying cabinet (18) that set gradually along natural gas direction of delivery, water tank (13) distribute in the downside of cooler bin (10), wherein:

the filter box is internally provided with a filter assembly, the side wall of the filter box is provided with an air inlet pipe (3) in a penetrating way, the bottom of the filter box is provided with a sundry discharging pipe (20) in a penetrating way, the air inlet pipe (3) and the sundry discharging pipe (20) are uniformly distributed at the lower side of the filter assembly, the first end of the first air duct (8) is provided with a top end of the filter box in a penetrating way, the second end of the first air duct (8) is provided with a top end of the cooling box (10) in a penetrating way, the second air duct (12) is provided with a bottom end of the cooling box (10) in a penetrating way, a spiral pipe (11) is arranged in the cooling box (10), the first air duct (8) and the second air duct (12) are communicated through the spiral pipe (11), the other end of the second air duct (12) is provided with a top end of the water tank (13), and the water tank (13, an air outlet pipe (16) penetrates through the drying box (18).

2. The gas filtering device for natural gas extraction according to claim 1, wherein: the filter box comprises a lower filter box (1) and an upper filter box (7) which are connected with each other, and a filter assembly is detachably arranged between the lower filter box (1) and the upper filter box (7);

the inner surface of the bottom end of the lower filter box (1) is hemispherical, the air inlet pipe (3) is distributed at the center of the bottom end of the lower filter box (1), the air inlet pipe (3) penetrates through the side wall of the lower filter box (1) and is distributed close to the top end of the lower filter box (1), and the first air guide pipe (8) penetrates through the top end of the upper filter box (7).

3. The gas filtering device for natural gas extraction according to claim 2, wherein: the filter assembly comprises a frame (24), a first filter screen (25) is arranged in the frame (24), an upper sealing strip (27) is arranged at the upper end of the frame (24), a lower sealing strip (28) is arranged at the lower end of the frame (24), an upper sealing groove (26) matched with the upper sealing strip (27) is formed in the bottom end of the upper filter box (7), and a lower sealing groove (29) matched with the lower sealing strip (28) is formed in the top end of the lower filter box (1).

4. The gas filtering device for natural gas extraction according to claim 3, wherein: the outer side surface of the frame (24) is provided with a first flange (4).

5. The gas filtering device for natural gas extraction according to any one of claims 2 to 4, wherein: go up the lateral surface of rose box (7) with the lateral surface of rose box (1) down all is configured with second flange (6), go up rose box (7) with rose box (1) down passes through bolt assembly (5) and connects, wherein:

the bolt assembly (5) penetrates through the second flange (6).

6. The gas filtering device for natural gas extraction according to claim 1, wherein: the top and the bottom of cooler bin (10) all run through and are provided with first stopper (9), the top and the bottom of water tank (13) all run through and are provided with second stopper (14).

7. The gas filtering device for natural gas extraction according to claim 1, wherein: a drying agent (19) is placed in the drying box (18), and the third air duct (15) extends to the inside of the drying agent (19).

8. The gas filtering device for natural gas extraction according to claim 7, wherein: and a second filter screen (17) is arranged at the air inlet end of the air outlet pipe (16).

9. The gas filtering device for natural gas extraction according to claim 5, wherein: the side wall of the lower filter box (1) is provided with an observation window (23), and the observation window (23) is provided with scale marks (22).

10. The gas filtering device for natural gas extraction according to claim 9, wherein: the air inlet pipe (3) is provided with a first valve (2), and the impurity discharging pipe (20) is provided with a second valve (21).