CN218206876U - Gas mixing device of gas engine for well drilling - Google Patents

Gas mixing device of gas engine for well drilling Download PDF

Info

Publication number
CN218206876U
CN218206876U CN202223000071.0U CN202223000071U CN218206876U CN 218206876 U CN218206876 U CN 218206876U CN 202223000071 U CN202223000071 U CN 202223000071U CN 218206876 U CN218206876 U CN 218206876U
Authority
CN
China
Prior art keywords
section
gas
air inlet
pipe
throat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202223000071.0U
Other languages
Chinese (zh)
Inventor
齐志军
赵博
邵世强
周学彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shengli Oilfield Shengli Power Machinery Group Co Ltd
Original Assignee
Shengli Oilfield Shengli Power Machinery Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shengli Oilfield Shengli Power Machinery Group Co Ltd filed Critical Shengli Oilfield Shengli Power Machinery Group Co Ltd
Priority to CN202223000071.0U priority Critical patent/CN218206876U/en
Application granted granted Critical
Publication of CN218206876U publication Critical patent/CN218206876U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

Abstract

The utility model relates to the technical field of gas mixing devices for well drilling, in particular to a gas mixing device of a gas engine for well drilling, which comprises a mixing pipe, two flange plates, an air inlet pipe, a flow meter and a one-way valve; the mixing pipe comprises an air inlet section, an air outlet section, a throat pipe section and a connecting section; the air inlet section, the connecting section, the throat section and the air outlet section are sequentially connected; the diameter value of the inner wall of the connecting section is gradually reduced towards the throat pipe section; the diameter values of the air inlet section and the air outlet section are larger than that of the throat section; the two flange plates are respectively arranged on the air inlet section and the air outlet section; the air outlet end of the air inlet pipe extends into the air inlet section, and an electromagnetic control valve is arranged on the air inlet pipe; the flowmeter and the one-way valve are both arranged on the air inlet pipe. The utility model discloses simple structure through solenoid electric valve and flowmeter to the control and the regulation of intake pipe flow, has guaranteed the leakproofness of device, and is convenient for carry out abundant mixture to gas, has improved the practicality of device.

Description

Gas mixing device of gas engine for well drilling
Technical Field
The utility model relates to a gas mixing arrangement technical field for the well drilling, concretely relates to gas engine gas mixing arrangement for well drilling.
Background
Natural gas is one of the recognized low cost, clean fuels. In order to meet the requirements of energy conservation, emission reduction and clean development, the petroleum drilling industry is gradually testing to use a natural gas engine to replace a diesel engine as drilling power at present. In order to solve the problem that the responsiveness of a natural gas engine is poorer than the responsiveness of a diesel engine, some manufacturers develop an electronic injection type natural gas engine, but the electronic injection type natural gas engine is difficult to be applied in a large scale in a drilling market at present due to the reasons of high cost, large maintenance workload, poor work doing and the like.
Chinese patent with publication number CN207526612U discloses a gas mixing device of a gas engine for well drilling, which comprises a body shell, a gas inlet mechanism, a gas outlet mechanism, a driving mechanism, a gear steering box and a bearing; the gas inlet mechanism comprises a flange with a round pipe, a gas regulator and a gas inlet, a plurality of inner surrounding gas holes are uniformly formed in the circumferential direction of the round pipe, the gas regulator comprises a gear with a cylinder, the cylinder is sleeved on the periphery of the round pipe, a plurality of peripheral gas holes are uniformly formed in the circumferential direction of the cylinder, and the inner surrounding gas holes and the peripheral gas holes are equal in number, same in specification and corresponding in position; the driving mechanism drives the gear steering box to move, the gear steering box enables the gear with the cylinder to rotate through meshing, and the cylinder enables the overlapping area of the peripheral gas holes and the inner peripheral gas holes to be changed continuously on the whole circumference in the process of accompanying rotation. The utility model discloses greatly promoted engine transient response ability, the reliability is high, dynamic behavior is strong, the rotational speed is undulant little, satisfies the requirement of well drilling power.
But above-mentioned device makes the drum rotate through the rotation through the gear, and then by the volume that the coincidence area control gas of peripheral gas hole and interior gas hole passes through, the drum is installed on body shell, when the drum rotates, can not keep the leakproofness between drum and the pipe for the device has the risk that natural gas leaked, and the practicality of device is lower.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is to the problem that exists among the background art, provides a gas engine gas mixing arrangement for drilling convenient to guarantee device leakproofness.
The technical scheme of the utility model: a gas mixing device of a gas engine for well drilling comprises a mixing pipe, two flange plates, an air inlet pipe, a flow meter and a one-way valve; the mixing pipe comprises an air inlet section, an air outlet section, a throat pipe section and a connecting section;
the air inlet section, the connecting section, the throat section and the air outlet section are sequentially connected; the diameter value of the inner wall of the connecting section is gradually reduced towards the throat pipe section; the diameter values of the air inlet section and the air outlet section are larger than that of the throat section;
the two flange plates are respectively arranged on the air inlet section and the air outlet section;
the air outlet end of the air inlet pipe extends into the air inlet section, and an electromagnetic control valve is arranged on the air inlet pipe; the flowmeter and the one-way valve are both arranged on the air inlet pipe.
Preferably, the device also comprises a heat insulation sleeve and a liquid inlet pipe; a sealed cabin is arranged in the throat pipe section; the insulating sleeve is arranged on the outer peripheral surface of the throat section; the liquid inlet pipe penetrates through the heat insulation sleeve and extends into the sealed bin.
Preferably, the device also comprises a fan; an annular groove is arranged on the inner wall of the throat pipe section; the fan is rotatably disposed in the annular groove.
Preferably, the fan is mounted in the annular groove by a bearing.
Preferably, the air inlet section, the connecting section, the throat section and the air outlet section are of an integrally formed structure.
Preferably, sealing rubber pads are arranged on the two flange plates.
Preferably, an air outlet nozzle is arranged at the air outlet end of the air inlet pipe; the air injection direction of the air outlet nozzle faces the air inlet end of the air inlet section.
Preferably, the air outlet nozzle is detachably mounted on the air inlet pipe.
Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:
a user can conveniently install the air inlet mechanism and the air outlet mechanism through the two flange plates, and the sealing rubber pads on the flange plates enable the air inlet mechanism and the air outlet mechanism to be respectively and hermetically installed at two ends of the mixing pipe; the flow of the natural gas in the gas inlet pipe can be effectively detected through the flowmeter, so that the flow of the natural gas in the gas inlet pipe can be conveniently controlled through adjusting the electromagnetic control valve, and the sealing property in the mixing pipe is ensured; natural gas and air mix in the section of admitting air, and the mist is when through linkage segment and choke section, and the velocity of flow of mist becomes fast, and then makes the mist flow fast and mix, has improved the practicality of device.
The natural gas mixes in getting into the section of admitting air through the intake pipe, when mist passes through the throat section, gaseous velocity of flow increase, simultaneously heat preservation liquid passes through in the feed liquor pipe gets into the sealed storehouse, and then heat the gas that flows through in the throat section, the intermolecular motion of gas molecule has been strengthened, make the mixture of air and natural gas more thorough, simultaneously rapid flow's mild gas has promoted the fan and has rotated, when the fan carries out the pivoted, mild gaseous mild more thorough, the gas mixing effect of device has further been improved, the practicality of device has been improved.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a partial cross-sectional view of the present invention.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Reference numerals: 1. a mixing tube; 101. an air intake section; 102. an air outlet section; 103. sealing the bin; 104. a throat section; 105. a connection section; 2. a heat-insulating sleeve; 3. a flange plate; 4. a liquid inlet pipe; 5. an air inlet pipe; 6. a flow meter; 7. a one-way valve; 8. a fan.
Detailed Description
Example one
As shown in fig. 1-3, the gas mixing device of the gas engine for well drilling provided by the present invention comprises a mixing pipe 1, two flange plates 3, an air inlet pipe 5, a flow meter 6 and a one-way valve 7; mixing tube 1 includes an inlet section 101, an outlet section 102, a throat section 104, and a connecting section 105.
The air inlet section 101, the connecting section 105, the throat section 104 and the air outlet section 102 are sequentially connected, the air inlet section 101, the connecting section 105, the throat section 104 and the air outlet section 102 are of an integrally formed structure, and the integrally formed air inlet section 101, the connecting section 105, the throat section 104 and the air outlet section 102 are connected more firmly, so that the sealing property of the mixing pipe 1 is improved; the value of the inner wall diameter of connecting section 105 decreases towards throat section 104; the diameter values of the air inlet section 101 and the air outlet section 102 are larger than that of the throat section 104, and a venturi effect is formed through the change of the diameter values of the air inlet section 101, the connecting section 105, the throat section 104 and the air outlet section 102, so that the flow speed of mixed gas in the air inlet section 101, the connecting section 105, the throat section 104 and the air outlet section 102 is changed, and the mixing effect of the mixed gas is improved.
Two ring flanges 3 are installed respectively on section 101 and the section 102 of giving vent to anger of admitting air, all are equipped with sealing rubber pad on two ring flanges 3, when installing admission mechanism and mechanism of giving vent to anger for the installation leakproofness between admission mechanism, hybrid tube 1 and the mechanism of giving vent to anger is better, is favorable to improving the practicality of device.
The air outlet end of the air inlet pipe 5 extends into the air inlet section 101, an electromagnetic control valve is arranged on the air inlet pipe 5, and an air outlet nozzle is arranged at the air outlet end of the air inlet pipe 5; the air injection direction of the air outlet nozzle faces the air inlet end of the air inlet section 101, and the air outlet nozzle is detachably mounted on the air inlet pipe 5; the air outlet nozzle is convenient to replace and install in a detachable installation mode; a flow meter 6 and a check valve 7 are both mounted on the inlet pipe 5.
In the utility model, when in use, a user can conveniently install the air inlet mechanism and the air outlet mechanism through the two flange plates 3, and the sealing rubber pads on the flange plates 3 ensure that the air inlet mechanism and the air outlet mechanism are respectively and hermetically installed at the two ends of the mixing pipe 1; the flow of the natural gas in the gas inlet pipe 5 can be effectively detected through the flowmeter 6, so that the flow of the natural gas in the gas inlet pipe 5 can be conveniently controlled through adjusting the electromagnetic control valve, and the sealing property in the mixing pipe 1 is ensured; natural gas and air mix in section 101 admits air, and the gas mixture is when passing through linkage segment 105 and choke section 104, and the velocity of flow of gas mixture becomes fast, and then makes the gas mixture flow fast and mix, has improved the practicality of device.
Example two
As shown in fig. 2-3, the gas mixing device of the gas engine for well drilling provided by the utility model comprises a mixing pipe 1, a heat insulation sleeve 2, two flange plates 3, a liquid inlet pipe 4, an air inlet pipe 5, a flowmeter 6, a one-way valve 7 and a fan 8; mixing tube 1 includes an inlet section 101, an outlet section 102, a throat section 104, and a connecting section 105.
The air inlet section 101, the connecting section 105, the throat section 104 and the air outlet section 102 are sequentially connected, the air inlet section 101, the connecting section 105, the throat section 104 and the air outlet section 102 are of an integrally formed structure, and the integrally formed air inlet section 101, the connecting section 105, the throat section 104 and the air outlet section 102 are connected more firmly, so that the sealing property of the mixing pipe 1 is improved; the value of the inner wall diameter of connecting section 105 decreases towards throat section 104; the diameter values of the air inlet section 101 and the air outlet section 102 are larger than that of the throat section 104, and a venturi effect is formed through the change of the diameter values of the air inlet section 101, the connecting section 105, the throat section 104 and the air outlet section 102, so that the flow velocity of mixed gas in the air inlet section 101, the connecting section 105, the throat section 104 and the air outlet section 102 is changed, and the mixing effect of the mixed gas is improved; a sealed cabin 103 is arranged in the throat section 104; the insulating sleeve 2 is arranged on the outer peripheral surface of the throat section 104; the liquid inlet pipe 4 penetrates through the heat insulation sleeve 2 and extends into the sealed bin 103; an annular groove is arranged on the inner wall of the throat section 104; the fan 8 is rotatably arranged in the annular groove, and the fan 8 is arranged in the annular groove through a bearing.
Two ring flanges 3 are respectively installed on air inlet section 101 and air outlet section 102, and sealing rubber pads are arranged on the two ring flanges 3, so that when the air inlet mechanism and the air outlet mechanism are installed, the installation sealing performance between the air inlet mechanism, the mixing pipe 1 and the air outlet mechanism is better, and the practicability of the device is improved.
The air outlet end of the air inlet pipe 5 extends into the air inlet section 101, an electromagnetic control valve is arranged on the air inlet pipe 5, and an air outlet nozzle is arranged at the air outlet end of the air inlet pipe 5; the air injection direction of the air outlet nozzle faces the air inlet end of the air inlet section 101, and the air outlet nozzle is detachably mounted on the air inlet pipe 5; the air outlet nozzle is convenient to replace and install in a detachable installation mode; a flow meter 6 and a check valve 7 are both mounted on the inlet pipe 5.
In this embodiment, during the use, the natural gas mixes in getting into air intake section 101 through intake pipe 5, when mist passes through throat section 104, gaseous velocity of flow increase, simultaneously heat preservation liquid passes through in feed liquor pipe 4 gets into sealed storehouse 103, and then heat the gas that flows through in the throat section 104, the intermolecular motion of gas molecule has been strengthened, make the mixture of air and natural gas more thorough, simultaneously fast flow's the relaxation gas has promoted fan 8 and has rotated, when fan 8 carries out the pivoted, the relaxation of relaxation gas is more thorough, the gas mixing effect of device has further been improved, the practicality of device has been improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims (8)

1. A gas mixing device of a gas engine for well drilling is characterized by comprising a mixing pipe (1), two flange plates (3), an air inlet pipe (5), a flow meter (6) and a one-way valve (7); the mixing pipe (1) comprises an air inlet section (101), an air outlet section (102), a throat pipe section (104) and a connecting section (105);
the air inlet section (101), the connecting section (105), the throat section (104) and the air outlet section (102) are sequentially connected; the diameter value of the inner wall of the connecting section (105) is gradually reduced towards the throat section (104); the diameter values of the air inlet section (101) and the air outlet section (102) are larger than that of the throat section (104);
the two flange plates (3) are respectively arranged on the air inlet section (101) and the air outlet section (102);
the air outlet end of the air inlet pipe (5) extends into the air inlet section (101), and an electromagnetic control valve is arranged on the air inlet pipe (5); the flowmeter (6) and the one-way valve (7) are both arranged on the air inlet pipe (5).
2. The gas mixing device for the gas engine for well drilling as recited in claim 1, further comprising a heat insulating jacket (2) and a liquid inlet pipe (4); a sealing bin (103) is arranged in the throat pipe section (104); the heat insulation sleeve (2) is arranged on the outer peripheral surface of the throat pipe section (104); the liquid inlet pipe (4) penetrates through the heat insulation sleeve (2) and extends into the sealed bin (103).
3. Gas mixing device for gas engines for drilling well according to claim 1, characterized in that it further comprises a fan (8); an annular groove is arranged on the inner wall of the throat pipe section (104); the fan (8) is rotatably arranged in the annular groove.
4. Gas mixing device for a gas engine for drilling according to claim 3, characterized in that the fan (8) is mounted in the annular groove by means of bearings.
5. The gas mixing device for the gas turbine for drilling as claimed in claim 1, wherein the gas inlet section (101), the connecting section (105), the throat section (104) and the gas outlet section (102) are of an integrally formed structure.
6. The gas mixing device for the gas engine for well drilling according to claim 1, wherein the two flanges (3) are provided with sealing rubber gaskets.
7. The gas mixing device of the gas engine for well drilling as recited in claim 1, characterized in that the gas outlet end of the gas inlet pipe (5) is provided with a gas outlet nozzle; the air injection direction of the air outlet nozzle faces the air inlet end of the air inlet section (101).
8. The gas mixing device of the gas engine for well drilling as recited in claim 7, characterized in that the outlet nozzle is detachably mounted on the inlet pipe (5).
CN202223000071.0U 2022-11-11 2022-11-11 Gas mixing device of gas engine for well drilling Active CN218206876U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223000071.0U CN218206876U (en) 2022-11-11 2022-11-11 Gas mixing device of gas engine for well drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223000071.0U CN218206876U (en) 2022-11-11 2022-11-11 Gas mixing device of gas engine for well drilling

Publications (1)

Publication Number Publication Date
CN218206876U true CN218206876U (en) 2023-01-03

Family

ID=84644916

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223000071.0U Active CN218206876U (en) 2022-11-11 2022-11-11 Gas mixing device of gas engine for well drilling

Country Status (1)

Country Link
CN (1) CN218206876U (en)

Similar Documents

Publication Publication Date Title
CN103334830B (en) Turbocharger
CN218206876U (en) Gas mixing device of gas engine for well drilling
CN209458043U (en) A kind of novel mixer based on the application of high-power natural gas engine
CN211636536U (en) Portable stirring reactor
CN201574843U (en) Multi-purpose oil/gas carburetor
CN206640444U (en) A kind of motor and electric automobile
CN111715135B (en) Premixing type gas mixing device and method
US1886989A (en) Supercharging apparatus
CN207526612U (en) Drilling well gas engine gas mixer
CN213656735U (en) Boiler burner
CN113187611A (en) Rotary blade type electronic throttle valve device
CN207554218U (en) Engine and carburetor and launch device
CN218441213U (en) Booster degassing steel pipe assembly
CN205937247U (en) High pressure methylamine injector
CN108590902A (en) a kind of intake manifold assembly
CN214787714U (en) Rotary blade type electronic throttle valve device
CN213899137U (en) Engine oil-gas dual-purpose air-fuel mixing device
CN216171470U (en) Fixed venturi mixer
CN220909845U (en) Novel triple throat carburetor
CN219032096U (en) Natural gas dewatering device
CN220668569U (en) Integrated silencing valve
CN217682018U (en) Natural gas engine mixer
KR200240950Y1 (en) Inflow airflow device for automobile engine
CN108087156A (en) A kind of spiral-flow type air mixer
CN218914929U (en) Natural gas high-speed burner

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant