CN210953592U

CN210953592U - Gas concentration diluting device for logging

Info

Publication number: CN210953592U
Application number: CN201921939348.1U
Authority: CN
Inventors: 刘杨; 王霄
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-07-07
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a gas concentration diluting device for logging, the structure of which comprises a gas mixing device, a fixed pipe, an electric push rod, an exhaust connecting pipe, a logging gas connecting pipe, a controller, a display screen, a switch button and a power cord, the utility model discloses a gas mixing device is arranged, when sample gas is required to be diluted, the logging gas is connected with the sample gas through the logging gas connecting pipe, the sample gas enters a gas mixing box through a one-way valve, then the diluted gas is connected with an air inlet pipe, a motor driving the air inlet mechanism extracts the diluted gas through the air inlet box and transmits the gas into the gas mixing box, a piston plate in the gas mixing box moves upwards to increase the space inside the gas mixing box, the purity of the sample gas and the diluted gas is ensured, then the diluted sample gas is led out from the exhaust connecting pipe to obtain the diluted sample gas, and the contact between the sample gas and other gases is avoided, so that the detection result has errors.

Description

Gas concentration diluting device for logging

Technical Field

The utility model relates to a gas concentration dilutes technical field, concretely relates to gas concentration diluting device for logging.

Background

The spectrum logging technology is a gas logging technology which is rapidly developed in recent years, has a real-time online detection function, can overcome the defects of the traditional gas chromatography logging technology, is limited by the characteristics of the spectrum gas detection technology, and the detection range of a spectrum logging analyzer cannot meet the requirements of construction site conditions, so that the concentration of the detected sample gas is required to be diluted.

The prior art adopts outside other gas that add to get into diluting device inside and dilutes the testing gas, is not convenient for to the sealed mixture between two kinds of gases, sneaks into the outside air because of other gases easily, and makes the testing result error appear.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, provide a gas concentration diluting device for logging now, solved prior art and adopted outside other gas of adding to get into that diluting device is inside dilutes the measuring gas, be not convenient for to the sealed mixture between two kinds of gases, sneak into the outside air because of other gases easily, and make the problem of testing result error appear.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a gas concentration diluting device for logging, including fixed pipe and gas mixing arrangement, the fixed inside is locked mutually through bolt and electric putter, fixed pipe bottom and gas mixing arrangement lock mutually, gas mixing arrangement right-hand member respectively with exhaust takeover and the mutual lock of logging gas takeover, gas mixing arrangement comprises shell, air inlet box, air inlet mechanism, push rod, first piston plate, intake pipe, first check valve, pipe, second check valve, gas flowmeter, logging gas dilution box, solenoid valve and third check valve, the air inlet box is installed on the left side of shell inside, air inlet mechanism is installed at the air inlet box top, the inside first piston plate that is provided with of air inlet box, first piston plate top and push rod lock mutually, the push rod top stretches into to in the air inlet mechanism, both ends are connected with intake pipe and pipe respectively about the inlet box, and intake pipe mid-mounting has first check valve, pipe and second check valve are installed respectively to the pipe middle part.

Furthermore, the right end of the guide pipe is connected with the logging gas dilution box, the right side of the logging gas dilution box is connected with the electromagnetic valve through the guide pipe, a third one-way valve is installed at the bottom end of the logging gas dilution box, the right end of the electromagnetic valve is locked with the exhaust connecting pipe, the bottom end of the third one-way valve is locked with the logging gas connecting pipe, the bottom end of the electric push rod extends into the logging gas dilution box, and the front end of the shell is locked with the controller through bolts.

Furthermore, the front end of the gas mixing device is mutually locked with the controller through a bolt, a display screen and a switch button are respectively embedded in the upper side and the lower side of the front end of the controller, the left end of the controller is connected with a power line, the rear end of the controller is mutually locked with the shell through a bolt, a circuit board is installed inside the controller, a single chip is arranged on the circuit board, and the single chip inside the controller is respectively and electrically connected with the electric push rod, the display screen, the switch button, the power line, the gas inlet mechanism and the gas flowmeter through connecting ports on the circuit board.

Further, air inlet mechanism comprises outer tube, motor, first connecting rod, second connecting rod and spacing pipe, the motor is installed to the outer tube front end, the output shaft of motor rear end stretches into to the outer tube and inserts to first connecting rod one end, and the first connecting rod other end rotates through pivot and second connecting rod and is connected, spacing pipe is installed to outer tube bottom inboard, this spacing pipe is run through on the push rod top and stretch into to the outer tube in, and the push rod top rotates through pivot and second connecting rod and is connected, the outer tube bottom is through bolt and air inlet box lock solid each other.

Further, the logging gas dilutes the case and comprises gas mixing box, second piston board, piston rod, third piston board and slip tube, the inside bottom embedding of gas mixing box has the second piston board, the second piston board top is through the mutual lock solid of bolt and piston rod, the piston rod top is through the mutual lock solid of bolt and third piston board, the gas mixing box top is through the mutual lock solid of bolt and slip tube, the embedding of third piston board is in the slip tube, and slides from top to bottom along the slip tube inner wall, the electric putter bottom runs through the shell and stretches into in the slip tube, the gas mixing box left and right sides is connected with pipe and solenoid valve respectively.

Furthermore, the outer wall of the push rod is smooth, and the inner wall of the limiting pipe is attached to the push rod.

Furthermore, the flow direction of the first one-way valve and the flow direction of the second one-way valve are from left to right, and the flow direction of the third one-way valve is from bottom to top.

Further, the intake pipe left end stretches out to the shell, and the filter screen is installed on the inside left side of intake pipe.

Furthermore, the motor is an M315-401 series micro motor, which is small in size but large in rotation force.

Furthermore, the first connecting rod and the second connecting rod are both made of hard alloy.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

in order to solve the problems that other gases are added from the outside and enter the diluting device to dilute the detected gas, which is inconvenient for sealing and mixing between two gases and is easy to mix into the outside air due to other gases, and the error of the detection result occurs in the prior art, the utility model discloses a gas mixing device is arranged, when the sample gas needs to be diluted, the sample gas is connected with the sample gas through a logging gas connecting pipe, the sample gas enters a gas mixing box through a one-way valve, a piston in the gas mixing box moves upwards, then the diluted gas is connected with an air inlet pipe, a motor driving an air inlet mechanism extracts the diluted gas through an air inlet box and transmits the diluted gas into the gas mixing box, a piston plate in the gas mixing box moves upwards to increase the space in the gas mixing box, and the purity of the sample gas and the diluted gas is ensured, then the diluted sample gas is led out from the exhaust connecting pipe, so that the diluted sample gas can be obtained, and the sample gas is prevented from contacting with other gases, so that the detection result has errors.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

FIG. 2 is a sectional view of the internal structure of the gas mixing device of the present invention;

FIG. 3 is a schematic structural view of the air intake mechanism of the present invention;

FIG. 4 is a sectional view of the internal structure of the air intake mechanism of the present invention;

fig. 5 is a sectional view of the internal structure of the logging gas dilution tank of the present invention.

In the figure: the gas mixing device comprises a gas mixing device-1, a fixed pipe-2, an electric push rod-3, an exhaust connecting pipe-4, a logging gas connecting pipe-5, a controller-6, a display screen-7, a switch button-8, a power cord-9, a shell-101, an air inlet box-102, an air inlet mechanism-103, a push rod-104, a first piston plate-105, an air inlet pipe-106, a first one-way valve-107, a conduit-108, a second one-way valve-109, a gas flowmeter-110, a logging gas dilution box-111, an electromagnetic valve-112, a third one-way valve-113, an outer pipe-1031, a motor-1032, a first connecting rod-1033, a second connecting rod-1034, a limiting pipe-1035, a gas mixing box-1111, a second piston plate-1112, a third one-1112, a third, A piston rod-1113, a third piston plate-1114 and a sliding tube-1115.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2, 3, 4 and 5, the present invention provides a gas concentration dilution apparatus for logging: the gas mixing device 1 comprises a fixed pipe 2 and a gas mixing device 1, wherein the inside of the fixed pipe 2 is mutually locked with an electric push rod 3 through bolts, the bottom end of the fixed pipe 2 is mutually locked with the gas mixing device 1, the right end of the gas mixing device 1 is mutually locked with an exhaust connecting pipe 4 and a logging gas connecting pipe 5 respectively, the gas mixing device 1 consists of a shell 101, an air inlet box 102, an air inlet mechanism 103, a push rod 104, a first piston plate 105, an air inlet pipe 106, a first one-way valve 107, a guide pipe 108, a second one-way valve 109, a gas flowmeter 110, a logging gas dilution box 111, an electromagnetic valve 112 and a third one-way valve 113, the air inlet box 102 is arranged on the left side inside the shell 101, the air inlet mechanism 103 is arranged at the top end of the air inlet box 102, the first piston plate 105 is arranged inside the air inlet box 102, the top end of the first piston plate 105 is mutually locked with the push rod 104, the top end, and a first check valve 107 is arranged in the middle of the air inlet pipe 106, and a guide pipe 108 and a second check valve 109 are respectively arranged in the middle of the guide pipe 108.

The right end of the guide pipe 108 is connected with the logging gas dilution box 111, the right side of the logging gas dilution box 111 is connected with the electromagnetic valve 112 through the guide pipe, the bottom end of the logging gas dilution box 111 is provided with a third one-way valve 113, the right end of the electromagnetic valve 112 is locked with the exhaust connecting pipe 4, the bottom end of the third one-way valve 113 is locked with the logging gas connecting pipe 5, the bottom end of the electric push rod 3 extends into the logging gas dilution box 111, and the front end of the shell 101 is locked with the controller 6 through bolts.

The front end of the gas mixing device 1 is locked with the controller 6 through a bolt, the display screen 7 and the switch button 8 are embedded into the upper side and the lower side of the front end of the controller 6 respectively, the left end of the controller 6 is connected with the power line 9, the rear end of the controller 6 is locked with the shell 101 through a bolt, a circuit board is mounted inside the controller 6, a single chip is arranged on the circuit board, and the single chip inside the controller 6 is electrically connected with the electric push rod 3, the display screen 7, the switch button 8, the power line 9, the gas inlet mechanism 103 and the gas flowmeter 110 through connecting ports in the circuit board respectively.

The air intake mechanism 103 is composed of an outer tube 1031, a motor 1032, a first link 1033, a second link 1034 and a limiting tube 1035, the motor 1032 is installed at the front end of the outer tube 1031, an output shaft at the rear end of the motor 1032 extends into the outer tube 1031 and is inserted into one end of the first link 1033, the other end of the first link 1033 is rotatably connected with the second link 1034 through a rotating shaft, the limiting tube 1035 is installed on the inner side of the bottom end of the outer tube 1031, the top end of the push rod 104 extends into the outer tube 1031 through the limiting tube 1035, the top end of the push rod 104 is rotatably connected with the second link 1034 through the rotating shaft, and the bottom end of the outer tube 1031 is mutually locked with the air intake box 102 through a bolt.

Wherein, logging gas dilutes case 111 comprises gas mixing tank 1111, second piston plate 1112, piston rod 1113, third piston plate 1114 and slip pipe 1115, the inside bottom embedding of gas mixing tank 1111 has second piston plate 1112, second piston plate 1112 top is through bolt and piston rod 1113 looks lock solid, piston rod 1113 top is through bolt and third piston plate 1114 looks lock solid, gas mixing tank 1111 top is through bolt and slip pipe 1115 looks lock solid, third piston plate 1114 embedding is in slip pipe 1115, and slides from top to bottom along the slip pipe 1115 inner wall, the 3 bottom of electric putter runs through shell 101 and stretches into in the slip pipe 1115, the gas mixing tank 1111 left and right sides is connected with pipe 108 and solenoid valve 112 respectively.

The outer wall of the push rod 104 is smooth, and the inner wall of the limiting tube 1035 is attached to the push rod 104, so that the movement track of the push rod 104 is limited by the limiting tube 1035.

Wherein, the flow direction of first check valve 107 and second check valve 109 is all from left to right, and the flow direction of third check valve 113 is from bottom to top, is favorable to leading the transmission direction of diluent gas and sample gas, and avoids diluent gas and sample gas water conservancy diversion.

Wherein, the intake pipe 106 left end stretches out to shell 101, and the inside left side of intake pipe 106 installs the filter screen, is favorable to avoiding inhaling debris.

The motor 1032 is an M315-401 series micro motor, and is small in size but large in rotation force.

The first connecting rod 1033 and the second connecting rod 1034 are made of cemented carbide.

This patent gas flowmeter 110 be the instrument of measurement gas flow, install the gas quantity that the record flowed through in the pipeline, can measure coal gas, air, nitrogen gas, acetylene, phosgene, hydrogen, natural gas, nitrogen gas, liquefied petroleum gas, hydrogen peroxide, flue gas, methane, butane, chlorine, gas, marsh gas, carbon dioxide, oxygen, compressed air, argon gas, toluene, benzene, xylol, hydrogen sulfide, sulfur dioxide, ammonia etc..

The working principle is as follows: before use, the device is firstly placed on a plane position, a power line 9 is connected with an external power supply to supply power, when the device is used, an air inlet pipe 106 is connected with gas to be diluted, then a switch button 8 is pressed to send a control instruction, an electric push rod 3, a display screen 7, an air inlet mechanism 103 and a gas flowmeter 110 are respectively controlled, a logging gas connecting pipe 5 is connected with sample gas, the sample gas enters a gas mixing box 1111 through a third one-way valve 113, a second piston plate 1112 in the gas mixing box 1111 is pushed to move upwards along the inner wall of the gas mixing box 1111, a control motor 1032 generates power to drive one end of a first connecting rod 1033 to rotate through an output shaft, the first connecting rod 1033 rotates to drive a push rod 104 to reciprocate upwards and downwards through a second connecting rod 1034, the push rod 104 drives the first piston plate 105 to reciprocate upwards and downwards, when the first piston plate 105 moves upward, the gas to be diluted is extracted through the air inlet pipe 106, the gas to be diluted enters the air inlet box 102 through the first check valve 107, and when the first piston plate 105 moves downward, the diluted gas is extruded, because the flowing directions of the first check valve 107 and the second check valve 109 are from left to right, the diluted gas enters the gas mixing box 1111 through the second check valve 109 on the conduit 108 and the gas flowmeter 110, the space inside the gas mixing box 1111 is increased by upward movement of the second piston plate 1112 in the gas mixing box 1111, and the space outside the gas mixing box 1111 is sealed through the conduit 108, the electromagnetic valve 112 and the third check valve 113 respectively, the sample gas is diluted by the diluted gas injected in the gas mixing box 1111, so that the sample gas is prevented from contacting with other gases, and errors occur in the detection result, then, the exhaust connection pipe 4 is connected with an external sample container, the electromagnetic valve 112 is controlled to be opened, and the motor in the electric push rod 3 is controlled to generate power, so that the electric push rod 3 extends, the third piston plate 1114 is pressed down by the electric push rod 3, the second piston plate 1112 is pressed down by the third piston plate 1114 through the piston rod 1113, and the gas in the gas mixing box 1111 passes through the electromagnetic valve 112 and then enters the external container through the exhaust connection pipe 4, so that the diluted sample gas is obtained.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A gas concentration diluting device for logging comprises a fixed pipe (2), wherein the inside of the fixed pipe (2) is locked with an electric push rod (3) through a bolt;

the method is characterized in that: the gas mixing device comprises a fixed pipe (2), an exhaust connecting pipe (4) and a logging gas connecting pipe (5), and is characterized by further comprising a gas mixing device (1), wherein the bottom end of the fixed pipe (2) is mutually locked with the gas mixing device (1), the right end of the gas mixing device (1) is mutually locked with the exhaust connecting pipe (4) and the logging gas connecting pipe (5) respectively, the gas mixing device (1) consists of a shell (101), an air inlet box (102), an air inlet mechanism (103), a push rod (104), a first piston plate (105), an air inlet pipe (106), a first one-way valve (107), a guide pipe (108), a second one-way valve (109), a gas flowmeter (110), a logging gas dilution box (111), an electromagnetic valve (112) and a third one-way valve (113), the air inlet box (102) is installed on the left side inside the shell (101), the air inlet mechanism (103) is installed, the top end of the first piston plate (105) is locked with the push rod (104) mutually, the top end of the push rod (104) extends into the air inlet mechanism (103), the left end and the right end of the air inlet box (102) are connected with the air inlet pipe (106) and the conduit (108) respectively, the middle of the air inlet pipe (106) is provided with a first one-way valve (107), and the middle of the conduit (108) is provided with the conduit (108) and a second one-way valve (109) respectively.

2. A gas concentration dilution unit for use in well logging as defined in claim 1, wherein: the gas dilution of logging case (111) is connected to pipe (108) right-hand member, the gas dilution of logging case (111) right side is connected with solenoid valve (112) through the pipe, third check valve (113) are installed to gas dilution of logging case (111) bottom, solenoid valve (112) right-hand member and exhaust takeover (4) lock solid each other, third check valve (113) bottom and the gaseous takeover of logging (5) lock solid each other, electric putter (3) bottom stretches into in the gas dilution of logging case (111), shell (101) front end passes through bolt and controller (6) lock solid each other.

3. A gas concentration dilution unit for use in well logging as defined in claim 1, wherein: the gas mixing device is characterized in that the front end of the gas mixing device (1) is locked with the controller (6) through a bolt, a display screen (7) and a switch key (8) are embedded into the upper side and the lower side of the front end of the controller (6) respectively, the left end of the controller (6) is connected with a power line (9), the rear end of the controller (6) is locked with the shell (101) through a bolt, a circuit board is mounted inside the controller (6), a single chip is arranged on the circuit board, and a single chip inside the controller (6) is electrically connected with the electric push rod (3), the display screen (7), the switch key (8), the power line (9), the air inlet mechanism (103) and the gas flowmeter (110) through connecting ports on the circuit board respectively.

4. A gas concentration dilution unit for use in well logging as defined in claim 1, wherein: the air intake mechanism (103) comprises an outer pipe (1031), a motor (1032), a first connecting rod (1033), a second connecting rod (1034) and a limiting pipe (1035), the motor (1032) is installed at the front end of the outer pipe (1031), an output shaft at the rear end of the motor (1032) extends into the outer pipe (1031) and is inserted into one end of the first connecting rod (1033), the other end of the first connecting rod (1033) is rotatably connected with the second connecting rod (1034) through a rotating shaft, the limiting pipe (1035) is installed on the inner side of the bottom end of the outer pipe (1031), the top end of the push rod (104) penetrates through the limiting pipe (1035) and extends into the outer pipe (1031), the top end of the push rod (104) is rotatably connected with the second connecting rod (1034) through the rotating shaft, and the bottom end of the outer pipe (1031) is mutually locked with the air intake box (.

5. A gas concentration dilution unit for use in well logging as defined in claim 1, wherein: the logging gas dilution box (111) consists of a gas mixing box (1111), a second piston plate (1112), a piston rod (1113), a third piston plate (1114) and a sliding pipe (1115), a second piston plate (1112) is embedded in the bottom end of the interior of the gas mixing box (1111), the top end of the second piston plate (1112) is mutually locked with the piston rod (1113) through bolts, the top end of the piston rod (1113) is mutually locked with the third piston plate (1114) through a bolt, the top end of the gas mixing box (1111) is mutually locked with the sliding pipe (1115) through bolts, the third piston plate (1114) is embedded in the sliding pipe (1115), and slides up and down along the inner wall of the sliding tube (1115), the bottom end of the electric push rod (3) penetrates through the shell (101) and extends into the sliding tube (1115), the left side and the right side of the gas mixing box (1111) are respectively connected with a guide pipe (108) and an electromagnetic valve (112).

6. A gas concentration dilution unit for use in well logging as defined in claim 1, wherein: the outer wall of the push rod (104) is smooth, and the inner wall of the limiting pipe (1035) is attached to the push rod (104).

7. A gas concentration dilution unit for use in well logging as defined in claim 1, wherein: the flow direction of the first check valve (107) and the flow direction of the second check valve (109) are from left to right, and the flow direction of the third check valve (113) is from bottom to top.

8. A gas concentration dilution unit for use in well logging as defined in claim 1, wherein: the left end of the air inlet pipe (106) extends out of the shell (101), and a filter screen is installed on the left side inside the air inlet pipe (106).