CN209764527U

CN209764527U - Soil gas collecting device for high-precision geochemical exploration

Info

Publication number: CN209764527U
Application number: CN201920627858.9U
Authority: CN
Inventors: 章红平
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2019-12-10
Anticipated expiration: 2029-05-05

Abstract

The utility model relates to a soil gas collection system for high-precision geochemical exploration, which comprises a hollow cylinder, wherein a lifting nut is fixedly arranged at the top of the hollow cylinder, the middle part of the lifting nut is connected with a bolt rod through a thread, the bolt rod is arranged in the inner cavity of the hollow cylinder in a penetrating way, the friction force between the hollow cylinder and the soil can be reduced by arranging a conical head and a rotary thread, the soil gas collection system is conveniently inserted into the ground, the lifting plate can be controlled by the rotary bolt rod to lift, and further the arc baffle can be controlled to lift, the arc baffle can block the air inlet, when gas needs to be collected, the arc baffle is controlled to lift to open the air inlet, the soil gas enters the inner cavity of the hollow cylinder from the air inlet, the gas capturing core can collect the soil gas, the soil gas collection is finished, the arc baffle is controlled to descend to close the air inlet, and the pollution of the soil gas, the accuracy of the geological survey can be improved.

Description

Soil gas collecting device for high-precision geochemical exploration

Technical Field

The utility model relates to a soil gas collection system for high accuracy geochemical exploration belongs to soil gas collection system technical field.

Background

After the formation of underground deep oil gas, the oil gas reservoir is formed in the trap after the migration. In the process of oil and gas migration or after the oil and gas migration, oil and gas can be dissipated until being dissipated to the ground surface, the oil and gas along an open fault are dissipated to the ground surface to form macro leakage, the oil and gas in the oil and gas reservoir has small leakage amount which is called micro leakage due to the effect of a cover layer or other cover bodies, the oil and gas leaked to the ground surface in a micro mode can cause a series of physical and chemical changes in the range of the earth crust close to the ground surface, and according to the change rules, many students use geochemical methods for oil and gas exploration to obtain some successful cases.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects, provide a soil gas collecting device for high-precision geochemical exploration, which can adapt to various soil conditions, effectively collect gas samples in soil, improve the precision of geochemical exploration, reduce the friction between a hollow cylinder and the soil by arranging a conical head and a rotary thread, conveniently insert the soil gas collecting device underground, control a lifting bolt rod to lift a lifting plate and further control an arc baffle to lift, block an air inlet by the arc baffle, control the arc baffle to lift and open the air inlet when gas needs to be collected, lead the soil gas to enter the inner cavity of the hollow cylinder from the air inlet, collect the soil gas by a gas capturing core, finish soil gas collection, control the arc baffle to descend and close the air inlet, prevent the external gas from entering the inner cavity of the hollow cylinder to pollute the soil gas, the precision of the prospecting can be improved, earth and water in the soil can be filtered through setting up the filter core, can prevent earth and water entering hollow section of thick bamboo inner chamber, can effectively solve the problem among the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

A soil gas collecting device for high-precision geochemical exploration comprises a hollow cylinder, wherein a lifting nut is fixedly arranged at the top of the hollow cylinder, the middle of the lifting nut is connected with a bolt rod through threads, the bolt rod penetrates through an inner cavity of the hollow cylinder, a guide plate is sleeved at the outer side of the bottom of the bolt rod through threads, the guide plate is fixedly arranged in the inner cavity of the hollow cylinder, the bottom of the bolt rod is connected with a lifting plate through a rotating shaft, arc-shaped baffles are symmetrically and fixedly arranged at the bottoms of two sides of the lifting plate, an air inlet is dug at one side of each arc-shaped baffle and positioned at the outer side of the hollow cylinder, a filter core is fixedly arranged in the inner cavity of the air inlet and consists of a first filter screen, a waterproof protective film and a second filter screen, the first filter screen, the waterproof protective film and the second filter screen are sequentially arranged from outside to inside, the bottom of the hollow, and a gas capturing core is fixedly arranged at the bottom of the lifting plate.

Further, the bottom of the threaded cylinder is provided with an air outlet nozzle, and one side of the air outlet nozzle is provided with a valve.

Furthermore, the outer side of the top of the hollow cylinder is fixedly sleeved with a turntable, and two sides of the turntable are symmetrically and fixedly provided with rotating handles.

Further, the gas capture core comprises a mesh enclosure and a gas adsorbing material filler disposed in the mesh enclosure.

Further, the hollow cylinder is cylindrical, and a rotary thread is arranged on the outer side surface of the hollow cylinder.

Further, the equidistance of hollow section of thick bamboo inner wall is dug and is equipped with the spacing groove, the fixed spacing arch that is equipped with of lifter plate outside equidistance, just spacing arch is located spacing inslot chamber.

The utility model discloses beneficial effect: the utility model relates to a soil gas collection system for high accuracy geochemical exploration, can adapt to various soil conditions, can effectively collect the gas sample in the soil, can improve the accuracy of the geochemical exploration, can reduce the friction between the hollow cylinder and the soil by setting up the cone head and the rotary screw thread, conveniently insert the soil gas collection system underground, the rotary bolt rod can control the lifting plate to lift, and then can control the arc baffle to lift, the arc baffle can block the air inlet, when needing to collect the gas, the arc baffle is controlled to lift to open the air inlet, the soil gas enters the hollow cylinder inner cavity from the air inlet, the gas acquisition core can collect the soil gas, the soil gas collection is finished, the arc baffle is controlled to descend to close the air inlet, can prevent the external gas from entering the hollow cylinder inner cavity to pollute the soil gas, can improve the accuracy of the geochemical exploration, can filter earth and water in the soil through setting up the filter core, can prevent that earth and water from getting into hollow section of thick bamboo inner chamber.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic structural view of a soil gas collection system for high-precision geochemical exploration according to the present invention.

FIG. 2 is a front view of the soil gas collecting device for high-precision geochemical exploration of the present invention.

FIG. 3 is a cross-sectional view of a filter element of a soil gas collection device for high precision geochemical exploration of the present invention.

FIG. 4 is a top view of the lift plate of the soil gas collection system of the present invention for high precision geochemical exploration.

Reference numbers in the figures: 1. a hollow cylinder; 2. a lifting nut; 3. a bolt shank; 4. a guide plate; 5. a lifting plate; 6. an arc-shaped baffle plate; 7. an air inlet; 8. a filter element; 9. a first filter screen; 10. a waterproof protective film; 11. a second filter screen; 12. a threaded barrel; 13. a conical head; 14. a gas capture wick; 15. an air outlet nozzle; 16. a turntable; 17. rotating the handle; 18. rotating the screw thread; 19. a limiting groove; 20. and a limiting bulge.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

as shown in figures 1-4, a soil gas collecting device for high-precision geochemical exploration comprises a hollow cylinder 1, wherein a lifting nut 2 is fixedly arranged at the top of the hollow cylinder 1, the lifting nut 2 is arranged to control the lifting of a bolt rod 3, the middle of the lifting nut 2 is connected with the bolt rod 3 through threads, the bolt rod 3 is arranged in an inner cavity of the hollow cylinder 1 in a penetrating way, a guide plate 4 is sleeved outside the bottom of the bolt rod 3 through threads, the guide plate 4 is fixedly arranged in the inner cavity of the hollow cylinder 1, the guide plate 4 is arranged to prevent the bolt rod 3 from shaking, the bottom of the bolt rod 3 is connected with a lifting plate 5 through a rotating shaft, arc-shaped baffles 6 are symmetrically and fixedly arranged at the bottoms of two sides of the lifting plate 5, the arc-shaped baffles 6 can block an air inlet 7, when gas needs to be collected, the arc-shaped baffles 6 are controlled to ascend to open the air inlet 7, soil, the gas capture core 14 can collect soil gas, the soil gas collection is finished, the arc baffle 6 is controlled to descend to close the air inlet 7, the external gas can be prevented from entering the inner cavity of the hollow cylinder 1 to pollute the soil gas, the precision of the geological exploration can be improved, the air inlet 7 is dug on one side of the arc baffle 6 and positioned outside the hollow cylinder 1, the inner cavity of the air inlet 7 is fixedly provided with the filter core 8, the filter core 8 consists of a first filter screen 9, a waterproof protective film 10 and a second filter screen 11, the first filter screen 9, the waterproof protective film 10 and the second filter screen 11 are sequentially arranged from outside to inside, the soil and the water in the soil can be filtered by arranging the filter core 8, the soil and the water can be prevented from entering the inner cavity of the hollow cylinder 1, the bottom of the hollow cylinder 1 is provided with a threaded cylinder 12, the outer side of the threaded cylinder 12 is connected with a conical head 13 through threads, and the conical head 13 is arranged to reduce the friction, conveniently insert the underground to soil gas collection system, 5 fixed being equipped with in bottom of lifter plate gas capture core 14 catches the core, can adsorb the collection to soil gas through setting up gas capture core 14.

The bottom of the threaded cylinder 12 is provided with a gas outlet nozzle 15, a valve is arranged on one side of the gas outlet nozzle 15, gas in the inner cavity of the hollow cylinder 1 can be discharged in advance through the gas outlet nozzle 15, soil gas can be prevented from being polluted, a rotary disc 16 is fixedly sleeved on the outer side of the top of the hollow cylinder 1, rotary handles 17 are symmetrically and fixedly arranged on two sides of the rotary disc 16, the hollow cylinder 1 can be rotated conveniently, the hollow cylinder 1 can be inserted underground conveniently, the gas capturing core 14 comprises a protective net shell and a gas absorbing material filler arranged in the protective net shell, soil gas can be absorbed, gas can be collected conveniently, the hollow cylinder 1 is cylindrical, the outer surface of the hollow cylinder 1 is provided with rotary threads 18, friction force between the hollow cylinder 1 and the ground can be reduced, a soil gas collecting device can be inserted underground conveniently, and limit grooves 19 are dug in the inner wall of the hollow cylinder 1 at, 5 outside equidistance of lifter plate is fixed to be equipped with spacing arch 20, just spacing arch 20 is located 19 inner chambers of spacing groove, can prevent 5 rotations of lifter plate, conveniently controls 5 lifts of lifter plate.

The utility model discloses the theory of operation: set up conical head 13 and rotatory screw thread 18 and can reduce the frictional force between hollow section of thick bamboo 1 and the soil, it is convenient to insert soil gas collection system underground, rotatory shank of bolt 3 can control lifter plate 5 and go up and down, and then can control cowl 6 and go up and down, cowl 6 can block up air inlet 7, when needs gather gas, control cowl 6 rises and opens air inlet 7, soil gas gets into hollow section of thick bamboo 1 inner chamber from air inlet 7, gas capture core 14 can be collected soil gas, soil gas gathers and finishes, air inlet 7 is closed in the decline of control cowl 6, can prevent that external gas from getting into hollow section of thick bamboo 1 inner chamber and polluting soil gas, the precision of prospecting can be improved, filter core 8 can filter earth and water in the soil, can prevent earth and water from getting into hollow section of thick bamboo 1 inner chamber.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. A soil gas collection system for high accuracy geochemical exploration, includes hollow section of thick bamboo (1), its characterized in that: hollow section of thick bamboo (1) top is fixed and is equipped with lifting nut (2), there are shank of bolt (3) at lifting nut (2) middle part through threaded connection, just shank of bolt (3) are worn to locate hollow section of thick bamboo (1) inner chamber, the shank of bolt (3) bottom outside is equipped with deflector (4) through the thread bush, just deflector (4) are fixed to be set up in hollow section of thick bamboo (1) inner chamber, shank of bolt (3) bottom is connected with lifter plate (5) through the pivot, lifter plate (5) both sides bottom symmetry is fixed and is equipped with cowl (6), cowl (6) one side is located hollow section of thick bamboo (1) outside and digs and is equipped with air inlet (7), air inlet (7) inner chamber is fixed to be equipped with crosses filter core (8), cross filter core (8) by first filter screen (9), waterproof protection film (10), second filter screen (11) are constituteed, just first filter screen (9), Waterproof protection film (10), second filter screen (11) are from outer toward interior setting gradually, hollow section of thick bamboo (1) bottom link up and is equipped with a screw thread section of thick bamboo (12), there is conical head (13) outside screw thread section of thick bamboo (12) through threaded connection, fixed gaseous core (14) of catching that is equipped with in lifter plate (5) bottom.

2. The soil gas collection device for high precision geochemical exploration, according to claim 1, wherein: the bottom of the threaded cylinder (12) is provided with an air outlet nozzle (15), and one side of the air outlet nozzle (15) is provided with a valve.

3. The soil gas collection device for high precision geochemical exploration, according to claim 1, wherein: the outer side of the top of the hollow cylinder (1) is fixedly sleeved with a turntable (16), and rotating handles (17) are symmetrically and fixedly arranged on two sides of the turntable (16).

4. The soil gas collection device for high precision geochemical exploration, according to claim 1, wherein: the gas capture core (14) comprises a mesh housing and a gas adsorbing material filler disposed in the mesh housing.

5. The soil gas collection device for high precision geochemical exploration, according to claim 1, wherein: the hollow cylinder (1) is cylindrical, and the outer side surface of the hollow cylinder (1) is provided with a rotary thread (18).

6. The soil gas collection device for high precision geochemical exploration, according to claim 1, wherein: the hollow cylinder (1) inner wall equidistance is dug and is equipped with spacing groove (19), lifter plate (5) outside equidistance is fixed and is equipped with spacing arch (20), just spacing arch (20) are located spacing groove (19) inner chamber.