CN108915646A - Gas transmission line multiphase flow drainage gas production tool - Google Patents

Gas transmission line multiphase flow drainage gas production tool Download PDF

Info

Publication number
CN108915646A
CN108915646A CN201811038631.7A CN201811038631A CN108915646A CN 108915646 A CN108915646 A CN 108915646A CN 201811038631 A CN201811038631 A CN 201811038631A CN 108915646 A CN108915646 A CN 108915646A
Authority
CN
China
Prior art keywords
baffle
undergauge
drainage
throttle
diameter
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.)
Pending
Application number
CN201811038631.7A
Other languages
Chinese (zh)
Inventor
李龙龙
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.)
NINGBO RUINENG ENVIRONMENT ENERGY TECHNOLOGY Co.,Ltd.
Original Assignee
Yu Pingsheng
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 Yu Pingsheng filed Critical Yu Pingsheng
Priority to CN201811038631.7A priority Critical patent/CN108915646A/en
Publication of CN108915646A publication Critical patent/CN108915646A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E21B43/121Lifting well fluids

Abstract

The present invention provides a kind of gas transmission line multiphase flow drainage gas production tools, belong to petroleum gas gas transmission line field, including water pumping gas production pipe, drainage cone, throttle flap, baffle and helix central axis, water pumping gas production pipe includes the first undergauge chamber and the second undergauge chamber for being integrally connected to the arrival end of the first undergauge chamber and outlet end, the diameter of first undergauge chamber is greater than the diameter of the second undergauge chamber, drainage cone is conical structure, and baffle is helicoidal structure;The intracavitary close arrival end of first undergauge is provided with throttle flap, at least three inclined throttle orifices are uniformly provided with around central axis on throttle flap, drainage cone be arranged in the first undergauge it is intracavitary and drainage cone bottom surface be fixedly connected with throttle flap side, baffle one end is fixedly connected with the throttle flap other side, helix central axis one end is fixedly connected with the throttle flap other side, and helix central axis is located in baffle.The tool can effectively solve the problems, such as the hydrops of ground gas transmission line, restore the ability of gas transmission line.

Description

Gas transmission line multiphase flow drainage gas production tool
Technical field
The invention belongs to petroleum gas gas transmission line fields, and in particular to gas transmission line multiphase flow drainage gas production tool.
Background technique
The middle and later periods is progressed into oilfield process, it may appear that the phenomenon that gas well deliverability lapse rate is too fast, energy is insufficient. Shaft bottom water pumping gas production is mainly solved the problems, such as in conventional drainage gas production at present, shaft bottom water is discharged to well head, then as gas Itself fluid-carrying capability is brought liquid into gas gathering station and is separated and collected again, but after gradually decreasing with shaft bottom energy, well head to gas gathering station Between gas transmission line with the factors such as landform influence, self-energy can not again by pipeline liquid carrying cross it is excessively high Peak slope causes the low-lying place's hydrops of pipeline, seriously affects pipeline gas transmission ability, in special weather, or even exists to freeze and block up The case where plug.
To solve the above-mentioned problems, the method mainly taken at present and there are the problem of it is as described below:
(1) what is all solved mostly is shaft bottom hydrops problem, after shaft bottom hydrops is discharged in wellhead ground pipeline, there are still Gas well deliverability decline, gas capacity is insufficient, and hydrops position is transformed into pipeline from shaft bottom, seriously affects normal gas transmission.
(2) most of technologies all pass through directly using water conservancy diversion principle, will form center when tolerance is relatively excessive excessively Air column, crosses baffle, not will form good eddy current effect, is not able to satisfy the demand of field working conditions, is unable to satisfy because of landform Factor or gas well deliverability decline too fast and cause operating condition fusion, bad adaptability.
Therefore, the application proposes gas transmission line multiphase flow drainage gas production tool to solve the above problems.
Summary of the invention
In order to overcome the shortcomings of the prior art described above, the present invention provides gas transmission line multiphase flow water pumping gas production works Tool.
To achieve the goals above, the present invention provides the following technical solutions:
Gas transmission line multiphase flow drainage gas production tool, including water pumping gas production pipe, drainage cone, throttle flap, baffle and spiral shell Spin line central axis, the water pumping gas production pipe include the first undergauge chamber and with the arrival end of the first undergauge chamber and outlet end one Second undergauge chamber of connection, the diameter of the first undergauge chamber are greater than the diameter of the second undergauge chamber, and the drainage cone is circle Wimble structure, the baffle are helicoidal structure;
The intracavitary close arrival end of first undergauge is provided with the throttling vertical with the axis of the first undergauge chamber Baffle, the diameter of the throttle flap is identical as the diameter of the first undergauge chamber, equal around central axis on the throttle flap Even to offer at least three throttle orifices from one side of throttle flap to inclined, the drainage cone setting is described the One undergauge is intracavitary and the bottom surface of the drainage cone is fixedly connected with the throttle flap side, and the baffle is arranged described the One undergauge is intracavitary and described baffle one end is fixedly connected with the throttle flap other side, and the drainage cone is close to described first The arrival end of undergauge chamber, the baffle are arranged close to the outlet end of the first undergauge chamber, the helix central axis in institute State in baffle and one end be fixedly connected with the throttle flap other side, the helix central axis be located at the throttle orifice and Between the inner wall of the first undergauge chamber, the size that the bottom surface of the drainage cone covers the orifice diameter is 4-6mm.
Preferably, the tilt angle of the throttle orifice is 24 ° -36 °, and the diameter of the throttle orifice is 18.5-24.5mm.
Preferably, the baffle is rotated at least five weeks by forming the helix that rotation angle is 24 ° -60 ° along central axis It forms.
Preferably, the quantity of the throttle orifice is six, and the bottom surface of the drainage cone covers the ruler of the orifice diameter Very little is 4mm, and the tilt angle of the throttle orifice is 30 °, and the diameter of the throttle orifice is 24.5mm.
Preferably, connecting hole is offered among the throttle flap, and connection bolt is provided in the connecting hole, it is described to draw Flow cone and baffle are bolted by the connection.
Gas transmission line multiphase flow drainage gas production tool provided by the invention include water pumping gas production pipe, drainage cone, throttle flap, Baffle and helix central axis, the water pumping gas production pipe include the first undergauge chamber and with the arrival end of the first undergauge chamber and The second undergauge chamber that outlet end is integrally connected to, the diameter of the first undergauge chamber are greater than the diameter of the second undergauge chamber, and drainage cone is circular cone Structure, baffle are helicoidal structure;Air-flow realizes 1 drainage after the throttle orifice on drainage cone and throttle flap, and Throttle orifice has slanted rotation angle, can generate 1 eddy flow, by can impact helix after throttle flap eddy flow, then by leading 2 secondary coupling water conservancy diversion of fluid increases vortex intensity, while exporting position and generating necking down, using Throttle Principle, effective enhancing transmission Distance strengthens liquid atomizing principles;The part overlaid of throttle orifice is overlapped by the bottom surface of drainage cone simultaneously, it is small to can produce part Type vortex does not influence to generate atomization scene while whole vortex intensity, reduces liquid gravity, directly solution ground gas transmission line Hydrops problem, restore the ability of gas transmission line.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the gas transmission line multiphase flow drainage gas production tool of the embodiment of the present invention 1.
Specific embodiment
With reference to the accompanying drawing, further description of the specific embodiments of the present invention.Following embodiment is only used for more Technical solution of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axis To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description technical solution of the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important Property.In the description of the present invention, it should be noted that unless otherwise specific regulation or limit, term " connected ", " connection " are answered It broadly understood, for example, it may be being fixedly connected, may be a detachable connection or integral type connects;It can be mechanical connect It connects, is also possible to be electrically connected;It can be directly connected, be also possible to indirectly connected through an intermediary.For the general of this field For logical technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.It is retouched in of the invention In stating, unless otherwise indicated, the meaning of " plurality " is two or more, and this will not be detailed here.
Embodiment 1
The present invention provides gas transmission line multiphase flow drainage gas production tool, it is specific as shown in Figure 1, include water pumping gas production pipe, Drainage cone 2, throttle flap 3, baffle 6 and helix central axis 8, water pumping gas production pipe include the first undergauge chamber 1 and contract with first The second undergauge chamber 7 that the arrival end of diameter chamber 1 is integrally connected to outlet end, according to oil gathering and transportation pipelines throttling standard, the first undergauge The diameter of chamber 1 is greater than the diameter of the second undergauge chamber 7, and the first undergauge chamber 1 first carries out the gas-liquid mixed item at whole arrival end Variable diameter throttling;Drainage cone 2 is conical structure, generates throttle effect, and drainage cone 2 uses 1 according to standard:3 mode throttles Drainage, 1:3 refer to the high ratio with bottom surface circular diameter of drainage cone 2 cones cone, and baffle 6 is helicoidal structure;
Arrival end is provided with the throttle flap 3 vertical with the axis of the first undergauge chamber 1 in first undergauge chamber 1, throttles The diameter of baffle 3 is identical as the diameter of the first undergauge chamber 1, on throttle flap 3 around central axis be uniformly provided at least three from 3 one side of throttle flap is to the throttle orifice 4 of inclined, and throttle orifice 4 is 6 in the present embodiment.2 setting of drainage cone is in the first contracting In the diameter chamber 1 and bottom surface of drainage cone 2 is fixedly connected with 3 side of throttle flap, and baffle 6 is arranged in the first undergauge chamber 1 and leads 6 one end of fluid is fixedly connected with 3 other side of throttle flap, and 2 arrival ends close to the first undergauge chamber 1 are bored in drainage, and baffle 6 is close The outlet end of first undergauge chamber 1, helix central axis 8 is arranged in baffle 6 and the fixed company in one end and 3 other side of throttle flap It connects, helix central axis 8 is located between throttle orifice 4 and the inner wall of the first undergauge chamber 1, and it is straight that the bottom surface of drainage cone 2 covers throttle orifice 4 The size of diameter is 4-6mm, refers here to drainage cone 2 with throttle orifice 4 when assembling, drainage 2 bottom surface circles of cone can cover one The real area of fraction throttle orifice 4 forms localized mini vortex, it is therefore an objective to localized mini vortex is generated, under high pressure effect, Liquid spraying effect can be formed, changes liquid form, liquid pearl is become into small-sized drop, liquid gravity can be substantially reduced.
Further, in this embodiment the tilt angle of throttle orifice 4, i.e. optimal water conservancy diversion angle are 24 ° -36 °, in the present embodiment 30 ° of selection, the diameter of throttle orifice 4 are 18.5-24.5mm, 24.5mm are selected in the present embodiment, using triangle helix 2:1 Mode carries out helix water conservancy diversion.Baffle 6 carries out secondary vortex flow water conservancy diversion, and baffle 6 is by forming rotation angle along central axis 24 ° -60 ° of helix, which rotates at least five weeks, to be formed, using triangle helix 2:1 mode carries out helix water conservancy diversion, with section The coupling of 4 water conservancy diversion of discharge orifice, reinforces the formation of vortex;Second undergauge chamber 7 is last again by secondary necking down, transmits vortex intensity, can increase Big EFFECTIVE RANGE.Connecting hole 5 is offered among throttle flap 3, connection bolt is provided in connecting hole 5, and drainage is bored 2 and led Fluid 6 is bolted by connection.
The working principle of gas transmission line multiphase flow drainage gas production tool provided in this embodiment is as described below:
Principle is:It is mixed by the gas-liquid at 7 pairs of the second undergauge chamber of the arrival end of the first undergauge chamber 1 whole arrival ends first It closes item and carries out variable diameter throttling, then can generate throttle effect with drainage cone 2, use 1 according to standard:3 mode carries out throttling and draws Stream;Secondly primary vortex water conservancy diversion is carried out at the throttle orifice 4 of throttle flap 3, rule of thumb simultaneously calculated result obtains formula, optimal Water conservancy diversion angle is 30 °, radially opens throttling duct, and the size in hole is 24.5mm, uniformly axial distribution 6;Again, by drawing The size that the bottom surface of flow cone 2 covers 4 diameter of throttle orifice is 4mm, forms localized mini vortex, it is therefore an objective to generate localized mini whirlpool Stream can form liquid spraying effect under high pressure effect, change liquid form, liquid pearl is become small-sized drop, can be substantially reduced Liquid gravity;Secondary vortex flow water conservancy diversion is carried out again, the helix that rotation angle is 30 ° is formed along central axis, using triangle spiral shell Spin line 2:1 mode carries out helix water conservancy diversion, and winding mode is 5 weeks, couples with primary throttling water conservancy diversion, reinforces the formation of vortex; Vortex intensity is finally transmitted, it is possible to increase EFFECTIVE RANGE by secondary necking down again.
When gas transmission line multiphase flow drainage gas production tool provided in this embodiment is excessive for gas relative energy, directly more The problem of crossing baffle takes multiple water conservancy diversion, realizes coupling, design specific position strengthens liquid atomizing principles, supplemented with existing Deficiency existing for technology.
Embodiment described above is merely preferred embodiments of the present invention, and the scope of protection of the present invention is not limited to this, Anyone skilled in the art within the technical scope of the present disclosure, the technical solution that can be become apparent to Simple change or equivalence replacement, all belong to the scope of protection of the present invention.

Claims (5)

1. gas transmission line multiphase flow drainage gas production tool, which is characterized in that including water pumping gas production pipe, drainage cone (2), throttle flap (3), baffle (6) and helix central axis (8), the water pumping gas production pipe include the first undergauge chamber (1) and contract with described first The diameter of the second undergauge chamber (7) that the arrival end of diameter chamber (1) is integrally connected to outlet end, the first undergauge chamber (1) is greater than institute The diameter of the second undergauge chamber (7) is stated, the drainage cone (2) is conical structure, and the baffle (6) is helicoidal structure;
Arrival end is provided with the section vertical with the axis of the first undergauge chamber (1) in the first undergauge chamber (1) It flows baffle (3), the diameter of the throttle flap (3) is identical as the diameter of the first undergauge chamber (1), the throttle flap (3) It is upper to be uniformly provided at least three throttle orifices (4) from (3) one side of throttle flap to inclined, institute around central axis It states drainage cone (2) and the bottom surface of the interior and described drainage cone (2) and the throttle flap (3) one in the first undergauge chamber (1) is set Side is fixedly connected, baffle (6) setting interior and described baffle (6) one end and section in the first undergauge chamber (1) Stream baffle (3) other side is fixedly connected, arrival end of the drainage cone (2) close to the first undergauge chamber (1), the baffle (6) close to the outlet end of the first undergauge chamber (1), the helix central axis (8) setting is in the baffle (6) and one End be fixedly connected with the throttle flap (3) other side, the helix central axis (8) be located at the throttle orifice (4) with it is described Between the inner wall of first undergauge chamber (1), the size that the bottom surface of the drainage cone (2) covers throttle orifice (4) diameter is 4- 6mm。
2. gas transmission line multiphase flow drainage gas production tool according to claim 1, which is characterized in that the throttle orifice (4) Tilt angle be 24 ° -36 °, the diameter of the throttle orifice (4) is 18.5-24.5mm.
3. gas transmission line multiphase flow drainage gas production tool according to claim 1, which is characterized in that the baffle (6) It is formed at least five weeks by forming the helix rotation that rotation angle is 24 ° -60 ° along central axis.
4. gas transmission line multiphase flow drainage gas production tool according to claim 1, which is characterized in that the throttle orifice (4) Quantity be six, the size that the bottom surface of the drainage cone (2) covers throttle orifice (4) diameter is 4mm, the throttle orifice (4) tilt angle is 30 °, and the diameter of the throttle orifice (4) is 24.5mm.
5. gas transmission line multiphase flow drainage gas production tool according to claim 1, which is characterized in that the throttle flap (3) intermediate to offer connecting hole (5), connection bolt, the drainage cone (2) and baffle (6) are provided in the connecting hole (5) It is bolted by the connection.
CN201811038631.7A 2018-09-06 2018-09-06 Gas transmission line multiphase flow drainage gas production tool Pending CN108915646A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811038631.7A CN108915646A (en) 2018-09-06 2018-09-06 Gas transmission line multiphase flow drainage gas production tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811038631.7A CN108915646A (en) 2018-09-06 2018-09-06 Gas transmission line multiphase flow drainage gas production tool

Publications (1)

Publication Number Publication Date
CN108915646A true CN108915646A (en) 2018-11-30

Family

ID=64407733

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811038631.7A Pending CN108915646A (en) 2018-09-06 2018-09-06 Gas transmission line multiphase flow drainage gas production tool

Country Status (1)

Country Link
CN (1) CN108915646A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112879709A (en) * 2021-01-27 2021-06-01 中国特种设备检测研究院 Quick plugging device and method for gas pipeline
CN114812019A (en) * 2021-01-28 2022-07-29 浙江盾安人工环境股份有限公司 Micro-channel heat exchanger

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB451726A (en) * 1935-07-18 1936-08-11 Arthur William David Gladwell Improvements in carburettors for internal combustion engines
US5055030A (en) * 1982-03-04 1991-10-08 Phillips Petroleum Company Method for the recovery of hydrocarbons
US5445230A (en) * 1993-10-01 1995-08-29 Wattenburg; Willard H. Downhole drilling subassembly and method for same
WO1997025150A1 (en) * 1996-01-12 1997-07-17 Baker Hughes Limited Cyclonic separator assembly and method
US5771984A (en) * 1995-05-19 1998-06-30 Massachusetts Institute Of Technology Continuous drilling of vertical boreholes by thermal processes: including rock spallation and fusion
AT2378U1 (en) * 1997-08-28 1998-09-25 Avl List Gmbh INTERNAL COMBUSTION ENGINE
CN1587703A (en) * 2004-09-13 2005-03-02 查世樑 Comperssor nozzle
CN201671603U (en) * 2010-05-10 2010-12-15 中国石油天然气股份有限公司 Gas well self-lifting dewatering gas producing device
CN102587864A (en) * 2012-02-03 2012-07-18 深圳乐满油气技术有限公司 Fluid guiding device for vortex fluid-discharge gas production downhole tool
CN202544793U (en) * 2012-02-03 2012-11-21 深圳乐满油气技术有限公司 Guide vane device of downhole tool for gas recovery by liquid drainage by eddy
CN105156072A (en) * 2014-06-03 2015-12-16 天津大港油田钻采技术开发公司 Vortex flow guiding device
CN205384057U (en) * 2016-02-18 2016-07-13 章蔓雅 Class tangential turbine flowmeter
CN106439137A (en) * 2016-10-14 2017-02-22 北京石油化工学院 Low shearing plunger type throttling valve used for oil production gathering and transporting
CN207568571U (en) * 2017-10-11 2018-07-03 山东广贸石油技术服务有限公司 A kind of three-dimensional orifice plate hydrops for oil/gas well stimulation steeps atomising device
CN208870581U (en) * 2018-09-06 2019-05-17 李龙龙 Gas transmission line multiphase flow drainage gas production tool

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB451726A (en) * 1935-07-18 1936-08-11 Arthur William David Gladwell Improvements in carburettors for internal combustion engines
US5055030A (en) * 1982-03-04 1991-10-08 Phillips Petroleum Company Method for the recovery of hydrocarbons
US5445230A (en) * 1993-10-01 1995-08-29 Wattenburg; Willard H. Downhole drilling subassembly and method for same
US5771984A (en) * 1995-05-19 1998-06-30 Massachusetts Institute Of Technology Continuous drilling of vertical boreholes by thermal processes: including rock spallation and fusion
WO1997025150A1 (en) * 1996-01-12 1997-07-17 Baker Hughes Limited Cyclonic separator assembly and method
AT2378U1 (en) * 1997-08-28 1998-09-25 Avl List Gmbh INTERNAL COMBUSTION ENGINE
CN1587703A (en) * 2004-09-13 2005-03-02 查世樑 Comperssor nozzle
CN201671603U (en) * 2010-05-10 2010-12-15 中国石油天然气股份有限公司 Gas well self-lifting dewatering gas producing device
CN102587864A (en) * 2012-02-03 2012-07-18 深圳乐满油气技术有限公司 Fluid guiding device for vortex fluid-discharge gas production downhole tool
CN202544793U (en) * 2012-02-03 2012-11-21 深圳乐满油气技术有限公司 Guide vane device of downhole tool for gas recovery by liquid drainage by eddy
CN105156072A (en) * 2014-06-03 2015-12-16 天津大港油田钻采技术开发公司 Vortex flow guiding device
CN205384057U (en) * 2016-02-18 2016-07-13 章蔓雅 Class tangential turbine flowmeter
CN106439137A (en) * 2016-10-14 2017-02-22 北京石油化工学院 Low shearing plunger type throttling valve used for oil production gathering and transporting
CN207568571U (en) * 2017-10-11 2018-07-03 山东广贸石油技术服务有限公司 A kind of three-dimensional orifice plate hydrops for oil/gas well stimulation steeps atomising device
CN208870581U (en) * 2018-09-06 2019-05-17 李龙龙 Gas transmission line multiphase flow drainage gas production tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112879709A (en) * 2021-01-27 2021-06-01 中国特种设备检测研究院 Quick plugging device and method for gas pipeline
CN114812019A (en) * 2021-01-28 2022-07-29 浙江盾安人工环境股份有限公司 Micro-channel heat exchanger

Similar Documents

Publication Publication Date Title
US9447796B2 (en) Annular jet pump
CN103861753B (en) Multistage atomizing gas-liquid two-phase heavy calibre mist nozzle
CN108915646A (en) Gas transmission line multiphase flow drainage gas production tool
CN111468319B (en) Multi-jet-hole gas-liquid two-phase atomizing nozzle
CN208870581U (en) Gas transmission line multiphase flow drainage gas production tool
CN205277826U (en) Oil content bucket, compressor and air conditioning system
CN105327581B (en) Suitable for the whirlwind dust collector of water curtain of high temperature dust tail gas recycle
CN104624426A (en) Atomizer with automatic blockage clearing function
CN110976120A (en) Centrifugal paint nozzle for accelerating atomization by reverse airflow
CN205977153U (en) Venturi bailer
CN205966227U (en) Stifled nozzle is prevented to high efficiency
CN109812364B (en) A kind of valve seat and spiral inclined in type nozzle
CN208695317U (en) It is a kind of to facilitate installation micro-mixer nozzle
CN201273183Y (en) Oil well head axial rotational flow desander
CN207278193U (en) drill bit
CN206860455U (en) A kind of blast pipe of helical structure and the rotary compressor with the blast pipe
CN214635026U (en) Novel venturi scrubber
RU2383820C1 (en) Wide-flame centrodugal nozzle
CN206001186U (en) A kind of tubular type dropping equipment
CN209407417U (en) A kind of gas atomization prepares the spray nozzle device of metal powder
CN208907620U (en) High-efficiency atomizing nozzle
CN206174897U (en) Anti - negative pressure generator that circulates in shaft bottom
CN106918263A (en) A kind of wide cut changeable flow water distribution system
CN201120325Y (en) Centrifugal gas-liquid mixing type nozzle
CN206396147U (en) High viscosity lubricating oil special vacuum oil filtering system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20211018

Address after: 315403 Yuyao City Economic Development Zone, Ningbo City, Zhejiang Province

Applicant after: NINGBO RUINENG ENVIRONMENT ENERGY TECHNOLOGY Co.,Ltd.

Address before: 713801 No. 11, cuoe Township street, Sanyuan County, Xianyang City, Shaanxi Province

Applicant before: Li Longlong

Applicant before: Yu Pingsheng

WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20181130