CN214303820U - Sampling device for taking natural gas from wellhead of oil well - Google Patents

Abstract

The utility model discloses a sampling device for taking natural gas from an oil well wellhead, which belongs to the field of natural gas sampling, and comprises a support column, wherein the top of the support column is fixedly connected with a collection box, the bottom of the collection box is fixedly sleeved with a water collection box, one side of the collection box is fixedly sleeved with an air inlet cylinder, and a rotating motor is fixedly arranged in the air inlet cylinder; through setting up rotating electrical machines and flabellum, when gathering the natural gas sample, start rotating electrical machines, make rotating electrical machines pass through the flabellum and carry the outside natural gas of air inlet section of thick bamboo to the inside of collection box through the air inlet section of thick bamboo, make the natural gas discharge through the aiutage after the inside homogeneous mixing of collection box, and then make the collection bottle of collection box inside obtain gathering the natural gas sample that the concentration is comparatively even, thereby it is great to have avoided the natural gas sample concentration difference because of natural gas sampling device gathers, lead to the problem of great error to appear in the testing result, and then the sampling quality of natural gas sampling device has been improved.

Description

Sampling device for taking natural gas from wellhead of oil well

Technical Field

The utility model belongs to the technical field of the natural gas sampling, concretely relates to get sampling device of natural gas from oil well wellhead.

Background

Natural gas is an energy source with abundant air sources, but the transportation problem has become a headache problem for a long time, including steel cylinder transportation and long-distance pipeline transportation, the main reason is that the carbon dioxide gas with a certain concentration in the natural gas corrodes ground gathering and transportation pipelines and even causes serious damage frequently, which not only brings great economic loss to oil and gas field development, but also causes certain environmental pollution, the corrosion degree is determined by the content of the carbon dioxide, the most typical characteristics of the carbon dioxide corrosion are local pitting corrosion, ringworm corrosion and table top pitting corrosion, therefore, the control of the carbon dioxide content in the natural gas is one of the main links in the industrial chain development, directly determines the development of the natural gas, which is greatly concerned and valued by people at present, the temperature of the natural gas needs to be regularly detected by different natural gas pipelines, concentration and the like, and the production safety is guaranteed.

At present, most of current natural gas sampling device is in the use, natural gas concentration is unset when the exploitation because of the natural gas, the great difference appears in the natural gas sample concentration that leads to natural gas sampling device to take, and then great error appears when leading to follow-up detection natural gas sample concentration, and simultaneously, behind most of natural gas sampling device took the natural gas sample, seal the collection bottle that is equipped with the natural gas sample because of can't be in time, lead to the air to get into and cause the problem of pollution to the natural gas in the collection bottle, for this reason, we provide one kind and follow the sampling device of oil well wellhead natural gas.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a get sampling device of natural gas from oil well wellhead to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sampling device for taking natural gas from an oil well wellhead comprises a support column, wherein the top of the support column is fixedly connected with a collection box, the bottom of the collection box is fixedly sleeved with a water collecting box, one side of the collection box is fixedly sleeved with an air inlet cylinder, a rotating motor is fixedly installed inside the air inlet cylinder, a fan blade is fixedly sleeved on an output shaft of the rotating motor, a threaded rod is sleeved on a top thread of the collection box, a lifting rod is movably sleeved on the bottom of the threaded rod, a fixed block is fixedly connected to the top of the lifting rod, a lifting plate is placed on the top of the lifting rod, a drain hole is formed in the lifting plate, a bottle plug is movably sleeved on the top of the lifting plate, a fixed cylinder is fixedly sleeved on the inside of the collection box, a rotating rod is movably sleeved on the inside of the fixed cylinder, a turnover plate is fixedly connected to the outside of the rotating rod, and a limiting rod is fixedly sleeved on the inside of the collection box, the utility model discloses a solar energy collection device, including baffle, collection case, lift spring, suction pump, water pump, the fixed raceway that has cup jointed of top fixedly connected with baffle of turning over the board, tensile pole has been cup jointed in the inside activity of baffle, the fixed cover of one end fixedly connected with of tensile pole, the collection bottle has been cup jointed in the inside activity of fixed cover, the fixed closure plate that has cup jointed in the outside of rotary rod, the movable groove has been seted up to the inner wall of collection case, the inside activity of movable groove has cup jointed lift spring, and the inside activity of movable groove has cup jointed the closing plate, the top fixed mounting of collection case has the suction pump, the fixed raceway that has cup jointed in bottom of suction pump, the opposite side of collection case is fixed to have cup jointed the aiutage.

In a preferred embodiment, the fan blades are matched with the air inlet cylinder, and the fan blades and the threaded rod are parallel to each other.

As a preferred embodiment, the material of the bottle stopper is rubber material, and the number of the bottle stoppers is two.

In a preferred embodiment, a fixed spring is movably sleeved inside the stretching rod, and two ends of the fixed spring are fixedly connected to the side surface of the baffle and the outside of the stretching rod respectively.

As a preferred embodiment, one end of the water pipe is positioned right above the collection bottle, and the water pipe is matched with the water pump.

As a preferred embodiment, a water pumping pipe is fixedly sleeved on the side surface of the water pumping pump, and one end of the water pumping pipe is fixedly sleeved on the side surface of the water collecting tank.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the sampling device for taking the natural gas from the wellhead of the oil well, the rotating motor and the fan blades are arranged, when a natural gas sample is collected, the rotating motor is started, so that the rotating motor can convey the natural gas outside the air inlet cylinder to the inside of the collection box through the fan blades, the natural gas is enabled to be uniformly mixed in the collection box and then discharged through the exhaust funnel, and further a collection bottle in the collection box can collect the natural gas sample with uniform concentration, so that the problem that the detection result has large error due to large concentration difference of the natural gas sample collected by the natural gas sampling device is solved, and the sampling quality of the natural gas sampling device is improved;

this get sampling device of natural gas from oil well wellhead, through setting up threaded rod and bottle plug, when sampling bottle collection weather finishes needs to seal, rotate the rotary rod, make the rotary rod drive the collection bottle through turning over the board and overturn, rotatory threaded rod this moment, make the threaded rod pass through the lifter and drive the lifter upward movement, make the lifter board move the inside that the bottle plug activity cup jointed at the collection bottle, and then make the collection bottle can be sealed by the bottle plug, thereby make to have avoided being difficult to in time seal the problem that leads to the air to get into the collection bottle inside to cause the pollution to the natural gas sample after collecting the natural gas because of the collection bottle, and then very big improvement the guard action to the inside natural gas sample of collection bottle.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a side sectional view of the structure of the present invention;

fig. 3 is a top view of the rotating rod of the present invention;

fig. 4 is a front view of a closure panel in the structure of the present invention.

In the figure: 1. a support pillar; 2. a collection box; 3. a water collection tank; 4. an air inlet cylinder; 5. a rotating electric machine; 6. A fan blade; 7. a threaded rod; 8. a lifting rod; 9. a fixed block; 10. a lifting plate; 11. a drain hole; 12. A bottle stopper; 13. a fixed cylinder; 14. rotating the rod; 15. turning over a plate; 16. a limiting rod; 17. a baffle plate; 18. A stretch rod; 19. fixing a sleeve; 20. collecting a bottle; 21. a closing plate; 22. a movable groove; 23. a lift spring; 24. a sealing plate; 25. a water pump; 26. a water delivery pipe; 27. an exhaust funnel.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-4, the utility model provides a sampling device for taking natural gas from an oil well wellhead, which comprises a support column 1, a collection box 2 fixedly connected to the top of the support column 1, a water collection box 3 fixedly sleeved on the bottom of the collection box 2, an air inlet tube 4 fixedly sleeved on one side of the collection box 2, a rotating motor 5 fixedly installed inside the air inlet tube 4, a fan blade 6 fixedly sleeved on the output shaft of the rotating motor 5, a threaded rod 7 sleeved on the top thread of the collection box 2, a lifting rod 8 movably sleeved on the bottom of the threaded rod 7, a fixed block 9 fixedly connected to the top of the lifting rod 8, a lifting plate 10 placed on the top of the lifting rod 8, a drain hole 11 opened inside the lifting plate 10, a bottle stopper 12 movably sleeved on the top of the lifting plate 10, a fixed tube 13 fixedly sleeved inside the collection box 2, a rotating rod 14 movably sleeved inside the fixed tube 13, the external of the rotating rod 14 is fixedly connected with a turning plate 15, the internal of the collection box 2 is fixedly sleeved with a limiting rod 16, the top of the turning plate 15 is fixedly connected with a baffle plate 17, the internal of the baffle plate 17 is movably sleeved with a stretching rod 18, one end of the stretching rod 18 is fixedly connected with a fixing sleeve 19, the internal of the fixing sleeve 19 is movably sleeved with a collection bottle 20, the external of the rotating rod 14 is fixedly sleeved with a sealing plate 21, the inner wall of the collection box 2 is provided with a movable groove 22, the internal of the movable groove 22 is movably sleeved with a lifting spring 23, the internal of the movable groove 22 is movably sleeved with a sealing plate 24, the top of the collection box 2 is fixedly provided with a water suction pump 25, the bottom of the water suction pump 25 is fixedly sleeved with a water pipe 26, and the other side of the collection box 2 is fixedly sleeved with an exhaust pipe 27; through setting up rotating electrical machines 5 and flabellum 6, when gathering the natural gas sample, start rotating electrical machines 5, make rotating electrical machines 5 pass through flabellum 6 and carry the inside to gathering box 2 with the outside natural gas of air inlet cylinder 4 through air inlet cylinder 4, make the natural gas discharge through aiutage 27 after 2 inside homogeneous mixings of gathering box, and then make gathering bottle 20 inside gathering box 2 obtain gathering the comparatively even natural gas sample of concentration, thereby it is great to have avoided the natural gas sample concentration difference because of natural gas sampling device gathers, lead to the great error of testing result appearance, and then make the sampling quality who has improved natural gas sampling device.

Wherein the fan blades 6 are matched with the air inlet cylinder 4, and the fan blades 6 are parallel to the threaded rod 7; through setting up rotating electrical machines 5 and flabellum 6, when gathering the natural gas sample, start rotating electrical machines 5, make rotating electrical machines 5 pass through flabellum 6 and carry the inside to gathering box 2 with the outside natural gas of air inlet cylinder 4 through air inlet cylinder 4, make the natural gas discharge through aiutage 27 after 2 inside homogeneous mixings of gathering box, and then make gathering bottle 20 inside gathering box 2 obtain gathering the comparatively even natural gas sample of concentration, thereby it is great to have avoided the natural gas sample concentration difference because of natural gas sampling device gathers, lead to the great error of testing result appearance, and then make the sampling quality who has improved natural gas sampling device.

Wherein, the material of the bottle stopper 12 is rubber material, and the number of the bottle stoppers 12 is two; through setting up threaded rod 7 and bottle plug 12, when gathering bottle 20 and collecting weather and ending need seal, rotate rotary rod 14, make rotary rod 14 drive collection bottle 20 through turning over board 15 and overturn, rotary rod 7 this moment, make threaded rod 7 drive lifter 10 upward movement through lifter 8, make lifter 10 drive bottle plug 12 activity cup joint in the inside of gathering bottle 20, and then make collection bottle 20 can be sealed by bottle plug 12, thereby make and avoided being difficult to in time seal the problem that leads to the air to get into collection bottle 20 inside and cause the pollution to the natural gas sample because of gathering bottle 20 collection natural gas after, and then make very big improvement to the guard action of gathering the inside natural gas sample of bottle 20.

Wherein, the inside of the stretching rod 18 is movably sleeved with a fixed spring, and the two ends of the fixed spring are respectively and fixedly connected with the side surface of the baffle 17 and the outside of the stretching rod 18; through setting up tensile pole 18 and fixed spring, make when needs fix collection bottle 20 on turning over board 15, the tensile pole 18 of pulling, make tensile pole 18 drive the one end horizontal migration of fixed cover 19 and fixed spring, make fixed spring by tensile pole 18 tensile emergence deformation, cup joint collection bottle 20 activity this moment in the inside of fixed cover 19 and loosen tensile pole 18, make fixed spring resume through tensile pole 18 when deformation drive fixed cover 19 with collection bottle 20 fix the top at turning over board 15, and then make and be convenient for fixed to collection bottle 20.

Wherein, one end of the water pipe 26 is positioned right above the collecting bottle 20, and the water pipe 26 is matched with the water pump 25; through setting up raceway 26, make when gathering bottle 20 and need collect the natural gas sample, start suction pump 25, make suction pump 25 pass through the inside of raceway 26 input collection bottle 20 with rivers, and then make the inside air of collection bottle 20 be discharged collection bottle 20 outside and through the outside of aiutage 27 discharge collection box 2, drive collection bottle 20 through turning over board 15 and overturn this moment, make the inside water of collection bottle 20 can discharge into the inside of header tank 3 through wash port 11, and then make the inside natural gas of collection box 2 collected in the inside of collection bottle 20, thereby make the sampling for the natural gas bring facility.

Wherein, the side of the water pump 25 is fixedly sleeved with a water pumping pipe, and one end of the water pumping pipe is fixedly sleeved on the side of the water collecting tank 3; through setting up suction pump 25 for when needs carry out the water injection to gathering bottle 20 inside, start suction pump 25, make the inside water of collection tank 3 can pour into gathering bottle 20 inside through drinking-water pipe and raceway 26, make gathering bottle 20 when overturning inside water of gathering bottle 20 can flow into collection tank 3 again through wash port 11, and then make very big saving the water when taking the natural gas sample.

The utility model discloses a theory of operation and use flow: firstly pulling a stretching rod 18, enabling the stretching rod 18 to drive a fixing sleeve 19 and one end of a fixed spring to horizontally move, enabling the fixed spring to be stretched by the stretching rod 18 to deform, movably sleeving a collection bottle 20 in the fixing sleeve 19 and loosening the stretching rod 18 at the moment, enabling the fixed spring to recover deformation and enabling the collection bottle 20 to be fixed on the top of a turning plate 15 by driving the fixing sleeve 19 through the stretching rod 18, further enabling the collection bottle 20 to be conveniently fixed, movably sleeving a rotating rod 14 in a fixing cylinder 13 at the moment, enabling the collection bottle 20 to be fixed in a collection box 2, movably sleeving a bottle plug 12 in a lifting plate 10 at the moment, movably sleeving the lifting plate 10 in the collection box 2, starting a rotating motor 5 at the moment, and enabling the rotating motor 5 to convey natural gas outside an air inlet cylinder 4 to the collection box 2 through the air inlet cylinder 4 through fan blades 6, the natural gas is enabled to be uniformly mixed in the collection box 2 and then discharged through the exhaust funnel 27, so that the collection bottle 20 in the collection box 2 can collect natural gas samples with uniform concentration, thereby avoiding large concentration difference of the natural gas samples collected by the natural gas sampling device, leading to large error of detection results, further improving the sampling quality of the natural gas sampling device, when the collection bottle 20 needs to collect the natural gas samples, the water suction pump 25 is started, leading the water suction pump 25 to input water flow into the collection bottle 20 through the water conveying pipe 26, further leading the air in the collection bottle 20 to be discharged out of the collection bottle 20 and discharged out of the collection box 2 through the exhaust funnel 27, at the moment, the collection bottle 20 is driven to turn over through the turning plate 15, and the water in the collection bottle 20 is enabled to be discharged into the collection box 3 through the drain hole 11, further, natural gas in the collection box 2 is collected in the collection bottle 20, thereby facilitating the sampling of the natural gas, when the collection bottle 20 needs to be sealed after the weather is collected, the rotating rod 14 is rotated, the rotating rod 14 drives the collection bottle 20 to turn over through the turning plate 15, at the moment, the threaded rod 7 is rotated, the threaded rod 7 drives the lifting plate 10 to move upwards through the lifting rod 8, the lifting plate 10 is driven to drive the bottle plug 12 to movably sleeve in the collection bottle 20, further, the collection bottle 20 is sealed by the bottle plug 12, thereby avoiding the problem that the natural gas sample is polluted because air enters the collection bottle 20 due to the difficulty in timely sealing after the natural gas is collected by the collection bottle 20, further greatly improving the protection effect on the natural gas sample in the collection bottle 20, when the lifting plate 10 moves up and down, the lifting spring 23 can push the sealing plate 24 to move up and down, the sealing plate 24 is enabled to be in close contact with the outside of the lifting plate 10, and the problem that natural gas in the collecting box 2 flows out from a gap between the lifting plate 10 and the collecting box 2 to pollute the air around the collecting box 2 when the lifting plate 10 moves up and down is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A sampling device for taking natural gas from an oil well wellhead, comprising a support column (1), characterized in that: the top of the supporting column (1) is fixedly connected with a collection box (2), the bottom of the collection box (2) is fixedly sleeved with a water collecting box (3), one side of the collection box (2) is fixedly sleeved with an air inlet cylinder (4), the inside of the air inlet cylinder (4) is fixedly provided with a rotating motor (5), an output shaft of the rotating motor (5) is fixedly sleeved with a fan blade (6), a threaded rod (7) is sleeved on the top thread of the collection box (2), a lifting rod (8) is movably sleeved on the bottom of the threaded rod (7), a fixed block (9) is fixedly connected on the top of the lifting rod (8), a lifting plate (10) is placed on the top of the lifting rod (8), a drain hole (11) is formed in the lifting plate (10), a bottle stopper (12) is movably sleeved on the top of the lifting plate (10), a fixed cylinder (13) is fixedly sleeved on the inside of the collection box (2), the utility model discloses a collecting box, including fixed section of thick bamboo (13), the inside activity of fixed section of thick bamboo (13) cup joints rotary rod (14), the outside fixedly connected with of rotary rod (14) turns over board (15), the inside fixed cover of collection box (2) has connect gag lever post (16), the top fixedly connected with baffle (17) of turning over board (15), the inside activity of baffle (17) has cup jointed tensile pole (18), the one end fixedly connected with of tensile pole (18) has fixed cover (19), the inside activity of fixed cover (19) has cup jointed collection bottle (20), the outside fixed of rotary rod (14) has cup jointed closing plate (21), movable groove (22) have been seted up to the inner wall of collection box (2), the inside activity of movable groove (22) has cup jointed lift spring (23), and the inside activity of movable groove (22) has cup jointed closing plate (24), the top fixed mounting of collection box (2) has suction pump (25), the bottom of the water suction pump (25) is fixedly sleeved with a water delivery pipe (26), and the other side of the collection box (2) is fixedly sleeved with an exhaust funnel (27).

2. A sampling device for extracting natural gas from an oil well wellhead as claimed in claim 1 wherein: flabellum (6) and air inlet cylinder (4) looks adaptation, and be parallel to each other between flabellum (6) and threaded rod (7).

3. A sampling device for extracting natural gas from an oil well wellhead as claimed in claim 1 wherein: the bottle stopper (12) is made of rubber materials, and the number of the bottle stoppers (12) is two.

4. A sampling device for extracting natural gas from an oil well wellhead as claimed in claim 1 wherein: the inner part of the stretching rod (18) is movably sleeved with a fixed spring, and two ends of the fixed spring are respectively and fixedly connected to the side surface of the baffle plate (17) and the outer part of the stretching rod (18).

5. A sampling device for extracting natural gas from an oil well wellhead as claimed in claim 1 wherein: one end of the water conveying pipe (26) is positioned right above the collecting bottle (20), and the water conveying pipe (26) is matched with the water suction pump (25).

6. A sampling device for extracting natural gas from an oil well wellhead as claimed in claim 1 wherein: the side of suction pump (25) is fixed to have cup jointed the drinking-water pipe, the fixed side that connects in header tank (3) of one end of drinking-water pipe.

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