CN104565592A - Heat tracing turbulent layer fluidized drag-reducing flow conveying pipe and method thereof - Google Patents
Heat tracing turbulent layer fluidized drag-reducing flow conveying pipe and method thereof Download PDFInfo
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- CN104565592A CN104565592A CN201510034003.1A CN201510034003A CN104565592A CN 104565592 A CN104565592 A CN 104565592A CN 201510034003 A CN201510034003 A CN 201510034003A CN 104565592 A CN104565592 A CN 104565592A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/22—Pipes composed of a plurality of segments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/02—Influencing flow of fluids in pipes or conduits
- F15D1/06—Influencing flow of fluids in pipes or conduits by influencing the boundary layer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/34—Heating of pipes or pipe systems using electric, magnetic or electromagnetic fields, e.g. using induction, dielectric or microwave heating
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- Mechanical Engineering (AREA)
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- Pipeline Systems (AREA)
Abstract
The invention discloses a heat tracing turbulent layer fluidized drag-reducing flow conveying pipe and a method thereof. The heat tracing turbulent layer fluidized drag-reducing flow conveying pipe is formed by a plurality of single-section conveying pipes and a master controller. Each single-section conveying pipe mainly includes an arched pipe, a fluid heat tracing pipe, an insulating layer, a pipe wall heat tracing pipe, a pipe upper cover, a fluid temperature monitoring device, a wall temperature monitoring device and a temperature controller. The heat tracing turbulent layer fluidized drag-reducing flow conveying pipe aims at existing heating conveying of high-viscous and congealable fluid, combines the existing skin effect heat tracing technology and the fluid drag reducing control technology by aid of the design of the round conveying pipe arched fluid interface, and achieves control on the fluidized flow state of the fluid turbulent layer in the pipe near the fluid string surface on the basis of the congeal removing and viscosity reducing effects of the skin effect heat tracing technology by maintaining the temperature difference of the wall surface of the arched pipe and the fluid in the pipe. Thus, pressure drop loss of fluid during conveying can be further reduced, the conveying efficiency can be improved, and energy saving and consumption reducing can be promoted.
Description
Technical field
The present invention relates to a kind of companion's pattern of fever turbosphere fluidisation drag reducing fluid conveying pipe and method thereof, particularly under the normal temperature of fluid transport field, easily condensation or viscosity are comparatively large, become companion's pattern of fever turbosphere fluidisation drag reducing fluid conveying pipe of the flowing medium of liquid state or viscosity reduction after heating.
Background technique
The transport of the industrial products such as liquid or gas or raw material has these four kinds of modes of highway, railway, water transport and Cemented filling.Due to compared with other are several, Cemented filling have transport volume large, take up an area less, airtight safely, be convenient to feature and the outstanding superiority such as management, reliability is strong, less energy consumption freight charges are low, become a kind of ideal style of liquid or gas transport at present.
Long-distance transportation pipeline is divided into isothermal conveyance conduit and two kinds, heated transportation pipeline.Wherein isothermal conveyance conduit is applicable to the low condensation point in liquid state or gaseous medium, the low viscous raw material of industry or product.And easily solidifying, high sticky industrial media works as its condensation point higher than pipeline ambient temperature, or when dielectric viscosity is very high at ambient temperature, be not suitable for adopting isothermal transport, such as chocolate, sulphur, crude oil, viscous crude, high solidifying oil, paraffin, isocyanates, various polymer etc.The too high viscosity of medium makes the pressure drop of pipeline increase severely, and often engineering is difficult to realize or uneconomical, dangerous, therefore must adopt the measure such as pour point depression, viscosity reduction.Heated transportation is method the most frequently used at present.The feature that heated transportation is different from isothermal conveying is to also exist in course of conveying the energy loss (frictional loss and radiation loss) of two aspects.Therefore also from two aspects to medium supplying energy, generally by pumping plant supply pressure energy, heat energy must be supplied by heating station or TRACER.Companion's hot mode, owing to having good uniform temperature, can be avoided along the cyclically-varying of journey medium temperature and have more advantage.Conventional companion's hot mode has steam tracing, hotwater tracing and electrical tracing, and in companion's hot mode that these are numerous, skin-effect electric heating is adopted rapidly owing to having outstanding advantage.
In Skin effect, companion hankers, and by reducing viscosity, reducing the energy loss in fluid transport, but not controlling ducted flowing.And it is known by fluid drag-reduction principle analysis, in fluid flowing, turbosphere fluidisation is made by adopting certain flow control means, or inhibition layer flows to transition zone transformation, flowing is controlled at laminar condition, to greatly reduce the wall friction coefficient in fluid transport process, reduce flow resistance loss further.Therefore, in easily solidifying, highly viscous fluid transports, Skin effect is combined with flow control technique, the resistance loss in fluid transport can be reduced further.
Summary of the invention
The object of the invention is the present situation that in existing easily solidifying, the highly viscous fluid transport of pin, resistance loss is large, existing skin-effect electric heating technology and Drag Reduction control technique are organically combined, a kind of companion's pattern of fever turbosphere fluidisation drag reducing fluid conveying pipe and method thereof are provided.
The present invention is achieved through the following technical solutions:
Companion's pattern of fever turbosphere fluidisation drag reducing fluid conveying pipe, be made up of multiple single-unit conveying pipe and master controller, single-unit conveying pipe comprises arc pipeline, fluid electric tracing tube, thermal insulation layer, bolt, shaft orientation reinforcing rib, tube wall electric tracing tube, insulated conductor, pipeline upper cover, accompanies hot steel pipe, fluid temperature (F.T.) monitoring device, wall temperature monitoring device, temperature controller and radial reinforced rib; Arc pipeline is by welding or Flange joint, arc pipeline section is that string is positioned at top, arc length is greater than the arc of semicircle, pipeline upper cover is connected with arc pipeline string upper surface by both sides bolt, the shaft orientation reinforcing rib being parallel to pipeline axial and the radial reinforced rib perpendicular to pipeline axial is provided with inside pipeline upper cover, arc pipeline and pipeline upper cover two-part cross section external frame surround a complete circle, are enclosed with thermal insulation layer outside this complete circle cross section; The string upper surface of arc pipeline is provided with some root canal wall electric tracing tubes, below the circular arc of arc pipeline, two side external surfaces are arranged with two fluid electric tracing tubes, fluid electric tracing tube, tube wall electric tracing tube are formed by the hot steel pipe inner sleeve insulated conductor of companion, every section of hot steel pipe of companion is connected at tail end with insulated conductor, accompanies the head end of hot steel pipe and insulated conductor to connect zero line and the phase line of power supply respectively; Arc pipeline string upper surface compartment of terrain is furnished with some wall temperature monitoring devices being deep into the oil temperature monitoring device inside tube wall and being positioned at outside tube wall, oil temperature monitoring device and wall temperature monitoring device are connected to the temperature controller on pipeline between tops and thermal insulation layer by guide line, and the temperature controller of single-unit conveying pipe is finally connected to the master controller being positioned at control room.
Between described fluid electric tracing tube and arc pipeline, and all by weld and the mode being coated with heat-conducting glue is connected and fixed between tube wall electric tracing tube with arc pipeline.
Described fluid temperature (F.T.) detection device and wall temperature monitoring device are thermal resistor or thermocouple.
Described temperature controller is DigiTrace JBS-100 type electronic temperature controller, and described master controller is DigiTrace NGC-40 electronic control system.
Companion's pattern of fever turbosphere fluidisation drag reducing fluid pipeline transportation method: be easy to condensation under being applicable to normal temperature, viscosity is very high, and reynolds' number turns higher than laminar flow twists transition reynolds number 2300, is in turbulence state but the not high flowing medium of flow velocity, by the heating of fluid electric tracing tube in duct bottom, fluid temperature (F.T.) raises, and viscosity reduces, and the coefficient of frictional resistance of fluid and wall reduces, and reduces the resistance of fluid in transporting, adopt tube wall electric tracing tube, to arc pipeline string upper surface heating, by fluid temperature (F.T.) measuring device and wall temperature measurement measurement device oil temperature and wall temperature, feed back to temperature controller, temperature controller regulates the heating power of tube wall electric tracing tube, make arc pipeline string wall temperature higher than fluid 70-90 DEG C ducted near it, near arc pipeline string lower surface, interface region forms stable density stratification structure, the turbulence energy of the heat dissipation inner layer of boundary layer of heating, thus turbulent flow is taken a turn for the worse twist develop and maintain laminar flow, reduce the resistance between conveying fluid and arc pipeline string lower surface, for each section of electric tracing tube, hot steel pipe and insulated conductor is accompanied to form current loop, common frequency or midfrequent AC voltage is imposed in this current loop, electric current produces Joule heat by this loop, owing to accompanying the size of hot steel pipe, certain relation is there is between material and ac frequency, alternating current (a.c.) produces Skin effect and proximity effect, charge concentration flows through in a certain degree of depth from its internal surface, current density exponentially reduces, almost nil at outer surface of steel tube voltage x current, insulate and safety, the heat that electric tracing tube produces simultaneously passes to rapidly arc pipeline by weld seam and heat-conducting glue, play companion's heat effect, the setting parameter of the temperature controller of each single-unit conveying pipe is controlled by master controller, control the heating power of each section of electric tracing tube, realize fluid intensification drag reduction and the turbosphere fluidisation drag reduction of pipeline whole Transporting process, ensure the safe and efficient stable of fluid transport.
The present invention is by combining skin-effect electric heating technology and Drag Reduction control technique, achieve the control to fluid turbulent laminarization flowing state near string internal surface in pipeline arcuate flow interface, greatly can reduce the pressure drop loss in easy solidifying, highly viscous fluid transportation process, improve transport efficiency.The skin-effect electric heating method adopted has the following advantages: tensile strength and resistant to mechanical damage intensity high; Heat resisting temperature is high, and the upper limit temperature of heat tolerance is 360 DEG C; Heating power is large, is more than or equal to 100W/m; Good energy-conserving effect, energy-conservationly compared with common cable reaches 35%; Strong adaptability, is applicable on the ground and underground, the landform that absolute altitude is changeable, applied range, and be applicable to the transport of all middle length distances, only needing single-ended power, and do not need parallel powering, is uniquely to heat the pipeline reaching 30km; Install reliable, easy to maintenance, be beneficial to Automated condtrol, temperature automatic adjustment.
According to fluid mechanics boundary layer transition and when plunderring heated plate lower surface in controlling outside air-flow, turbulent boundary layer takes a turn for the worse and twists in the present invention, the achievement in research that motion viscous resistance reduces, by the design at circular pipe arcuate flow interface, build upper surface plate part, temperature controller is adopted to carry out Skin effect temperature control companion heat to pipeline arcuate section string upper surface, make string wall surface temperature higher than fluids within pipes temperature 70-90 DEG C, heating makes the rapids energy generating item of fluid become negative value, the turbulence energy of inner layer of boundary layer is promptly absorbed by concentrating, microvortex dissipation effect strengthens simultaneously, the rapids energy Absorption Terms that buoyancy causes can transport rapids and suppress, the flowing beyond boundary layer is made to lose energy source, thus make reynolds' number not high, but be greater than transition Reynolds number, the turbulent flow having developed formation takes a turn for the worse and twists (i.e. laminarization) and maintain laminar flow, about the coefficient of frictional resistance of fluid near arcuate surfaces is reduced half.
Skin effect accompanies thermal control temperature string near surface flowing state in control valve to be combined by the present invention, both the viscosity of fluid had been changed, change again the flowing state of fluid, efficiently reduce fluid transport energy consumption, be beneficial to and transport field at easy solidifying, the high industrial fluids such as sticky and promote the use of, promote energy-saving and cost-reducing.
Accompanying drawing explanation
Fig. 1 is the axial section of companion's pattern of fever turbosphere fluidisation drag reducing fluid conveying pipe;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the 3 dimensional drawing of the pipeline upper cover that this is returned.
Embodiment
As shown in accompanying drawing 1,2,3, companion's pattern of fever turbosphere fluidisation drag reducing fluid conveying pipe, be made up of multiple single-unit conveying pipe 15 and master controller 12, single-unit conveying pipe 15 comprises arc pipeline 1, fluid electric tracing tube 2, thermal insulation layer 3, bolt 4, shaft orientation reinforcing rib 5, tube wall electric tracing tube 6, insulated conductor 7, pipeline upper cover 8, accompanies hot steel pipe 9, fluid temperature (F.T.) monitoring device 10, wall temperature monitoring device 11, temperature controller 13 and radial reinforced rib 14; Arc pipeline is by welding or Flange joint, arc pipeline section is that string is positioned at top, arc length is greater than the arc of semicircle, pipeline upper cover 8 is connected with arc pipeline string upper surface by both sides bolt 4, the shaft orientation reinforcing rib 5 that is parallel to pipeline axial and the radial reinforced rib 14 perpendicular to pipeline axial is provided with inside pipeline upper cover, arc pipeline and pipeline upper cover two-part cross section external frame surround a complete circle, are enclosed with thermal insulation layer 3 outside this complete circle cross section; The string upper surface of arc pipeline is provided with some root canal wall electric tracing tubes 6, below the circular arc of arc pipeline, two side external surfaces are arranged with two fluid electric tracing tubes 2, fluid electric tracing tube 2, tube wall electric tracing tube 6 are formed by the hot steel pipe 9 inner sleeve insulated conductor 7 of companion, every section of hot steel pipe 9 of companion is connected at tail end with insulated conductor 7, accompanies the head end of hot steel pipe 9 and insulated conductor 7 to connect zero line and the phase line of power supply respectively; Arc pipeline 1 string upper surface compartment of terrain is furnished with some wall temperature monitoring devices 11 being deep into the oil temperature monitoring device 10 inside tube wall and being positioned at outside tube wall, oil temperature monitoring device 10 and wall temperature monitoring device 11 are connected to the temperature controller 13 between pipeline upper cover 8 top and thermal insulation layer 3 by guide line, and the temperature controller 13 of single-unit conveying pipe 15 is finally connected to the master controller 12 being positioned at control room.
Between described fluid electric tracing tube 2 and arc pipeline 1, and all by weld and the mode being coated with heat-conducting glue is connected and fixed between tube wall electric tracing tube 11 with arc pipeline 1.
Described fluid temperature (F.T.) detection device 10 and wall temperature monitoring device 11 are thermal resistor or thermocouple.
Described temperature controller 13 is DigiTrace JBS-100 type electronic temperature controllers, and described master controller 12 is DigiTrace NGC-40 electronic control systems.
Companion's pattern of fever turbosphere fluidisation drag reducing fluid pipeline transportation method: be easy to condensation under being applicable to normal temperature, viscosity is very high, and reynolds' number turns higher than laminar flow twists transition reynolds number 2300, is in turbulence state but the not high flowing medium of flow velocity, by the heating of fluid electric tracing tube 2 in duct bottom, fluid temperature (F.T.) raises, and viscosity reduces, and the coefficient of frictional resistance of fluid and wall reduces, and reduces the resistance of fluid in transporting, adopt tube wall electric tracing tube 6, to arc pipeline 1 string upper surface heating, oil temperature and wall temperature is measured by fluid temperature (F.T.) measuring device 10 and wall temperature measurement device 11, feed back to temperature controller 13, temperature controller 13 regulates the heating power of tube wall electric tracing tube 6, make arc pipeline string wall temperature higher than fluid 70-90 DEG C ducted near it, near arc pipeline 1 string lower surface, interface region forms stable density stratification structure, the turbulence energy of the heat dissipation inner layer of boundary layer of heating, thus turbulent flow is taken a turn for the worse twist develop and maintain laminar flow, reduce the resistance between conveying fluid and arc pipeline string lower surface, for each section of electric tracing tube, hot steel pipe 9 and insulated conductor 7 is accompanied to form current loop, common frequency or midfrequent AC voltage is imposed in this current loop, electric current produces Joule heat by this loop, owing to accompanying the size of hot steel pipe, certain relation is there is between material and ac frequency, alternating current (a.c.) produces Skin effect and proximity effect, charge concentration flows through in a certain degree of depth from its internal surface, current density exponentially reduces, almost nil at outer surface of steel tube voltage x current, insulate and safety, the heat that electric tracing tube produces simultaneously passes to rapidly arc pipeline 1 by weld seam and heat-conducting glue, play companion's heat effect, the setting parameter of the temperature controller 13 of each single-unit conveying pipe 15 is controlled by master controller 12, control the heating power of each section of electric tracing tube, realize fluid intensification drag reduction and the turbosphere fluidisation drag reduction of pipeline whole Transporting process, ensure the safe and efficient stable of fluid transport.
Claims (5)
1. companion's pattern of fever turbosphere fluidisation drag reducing fluid conveying pipe, it is characterized in that: be made up of multiple single-unit conveying pipe (15) and master controller (12), single-unit conveying pipe (15) comprises arc pipeline (1), fluid electric tracing tube (2), thermal insulation layer (3), bolt (4), shaft orientation reinforcing rib (5), tube wall electric tracing tube (6), insulated conductor (7), pipeline upper cover (8), accompanies hot steel pipe (9), fluid temperature (F.T.) monitoring device (10), wall temperature monitoring device (11), temperature controller (13) and radial reinforced rib (14); Arc pipeline is by welding or Flange joint, arc pipeline section is that string is positioned at top, arc length is greater than the arc of semicircle, pipeline upper cover (8) is connected with arc pipeline string upper surface by both sides bolt (4), the shaft orientation reinforcing rib (5) that is parallel to pipeline axial and the radial reinforced rib (14) perpendicular to pipeline axial is provided with inside pipeline upper cover, arc pipeline and pipeline upper cover two-part cross section external frame surround a complete circle, are enclosed with thermal insulation layer (3) outside this complete circle cross section; The string upper surface of arc pipeline is provided with some root canal wall electric tracing tubes (6), below the circular arc of arc pipeline, two side external surfaces are arranged with two fluid electric tracing tubes (2), fluid electric tracing tube (2), tube wall electric tracing tube (6) are formed by companion's hot steel pipe (9) inner sleeve insulated conductor (7), the every section of hot steel pipe of companion (9) is connected at tail end with insulated conductor (7), accompanies the head end of hot steel pipe (9) and insulated conductor (7) to connect zero line and the phase line of power supply respectively; Arc pipeline (1) string upper surface compartment of terrain is furnished with some wall temperature monitoring devices (11) being deep into the oil temperature monitoring device (10) inside tube wall and being positioned at outside tube wall, oil temperature monitoring device (10) and wall temperature monitoring device (11) are connected to the temperature controller (13) be positioned between pipeline upper cover (8) top and thermal insulation layer (3) by guide line, the temperature controller (13) of single-unit conveying pipe (15) is finally connected to the master controller (12) being positioned at control room.
2. one companion pattern of fever turbosphere fluidisation drag reducing fluid conveying pipe according to claim 1, it is characterized in that: between described fluid electric tracing tube (2) and arc pipeline (1), and all by weld and the mode being coated with heat-conducting glue is connected and fixed between tube wall electric tracing tube (11) with arc pipeline (1).
3. one companion pattern of fever turbosphere fluidisation drag reducing fluid conveying pipe according to claim 1, is characterized in that: described fluid temperature (F.T.) detection device (10) and wall temperature monitoring device (11) are thermal resistor or thermocouple.
4. one companion pattern of fever turbosphere fluidisation drag reducing fluid conveying pipe according to claim 1, it is characterized in that: described temperature controller (13) is DigiTrace JBS-100 type electronic temperature controller, and described master controller (12) is DigiTrace NGC-40 electronic control system.
5. one kind uses companion's pattern of fever turbosphere fluidisation drag reducing fluid pipeline transportation method of device as claimed in claim 1, it is characterized in that: under being applicable to normal temperature, be easy to condensation, viscosity is very high, and reynolds' number turns higher than laminar flow twists transition reynolds number 2300, is in turbulence state but the not high flowing medium of flow velocity, by the heating of fluid electric tracing tube (2) in duct bottom, fluid temperature (F.T.) raises, and viscosity reduces, and the coefficient of frictional resistance of fluid and wall reduces, and reduces the resistance of fluid in transporting, adopt tube wall electric tracing tube (6), arc pipeline (1) string upper surface is heated, oil temperature and wall temperature is measured by fluid temperature (F.T.) measuring device (10) and wall temperature measurement device (11), feed back to temperature controller (13), temperature controller (13) regulates the heating power of tube wall electric tracing tube (6), make arc pipeline string wall temperature higher than fluid 70-90 DEG C ducted near it, near arc pipeline (1) string lower surface, interface region forms stable density stratification structure, the turbulence energy of the heat dissipation inner layer of boundary layer of heating, thus turbulent flow is taken a turn for the worse twist develop and maintain laminar flow, reduce the resistance between conveying fluid and arc pipeline string lower surface, for each section of electric tracing tube, hot steel pipe (9) and insulated conductor (7) is accompanied to form current loop, common frequency or midfrequent AC voltage is imposed in this current loop, electric current produces Joule heat by this loop, owing to accompanying the size of hot steel pipe, certain relation is there is between material and ac frequency, alternating current (a.c.) produces Skin effect and proximity effect, charge concentration flows through in a certain degree of depth from its internal surface, current density exponentially reduces, almost nil at outer surface of steel tube voltage x current, insulate and safety, the heat that electric tracing tube produces simultaneously passes to rapidly arc pipeline (1) by weld seam and heat-conducting glue, play companion's heat effect, the setting parameter of the temperature controller (13) of each single-unit conveying pipe (15) is controlled by master controller (12), control the heating power of each section of electric tracing tube, realize fluid intensification drag reduction and the turbosphere fluidisation drag reduction of pipeline whole Transporting process, ensure the safe and efficient stable of fluid transport.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510034003.1A CN104565592B (en) | 2015-01-23 | 2015-01-23 | A kind of heat tracing type turbosphere fluidisation drag reducing fluid conveying pipe and method thereof |
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| CN201510034003.1A CN104565592B (en) | 2015-01-23 | 2015-01-23 | A kind of heat tracing type turbosphere fluidisation drag reducing fluid conveying pipe and method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673626A (en) * | 2016-03-31 | 2016-06-15 | 中国海洋大学 | Turbulence flow-to-laminar flow casing pipe heating temperature field collection device |
| CN107956650A (en) * | 2017-11-21 | 2018-04-24 | 北京金风科创风电设备有限公司 | Building enclosure with vibration inhibiting function and method for inhibiting vibration of building enclosure |
| CN108953310A (en) * | 2018-09-10 | 2018-12-07 | 逸乐(廊坊)环保科技有限公司 | A kind of cutting fluid circulatory pool outlet turbulent flow-laminar flow conversion equipment |
| CN109027497A (en) * | 2018-08-29 | 2018-12-18 | 西安石油大学 | A kind of petrochemical industry fluid heat transfer spiral flow drag reducing fluid conveying pipe |
| CN111081611A (en) * | 2019-12-30 | 2020-04-28 | 广州粤芯半导体技术有限公司 | Gas delivery line and semiconductor device |
| CN111434187A (en) * | 2017-12-05 | 2020-07-17 | 爱德华兹有限公司 | Thermal management method and apparatus |
| CN112555568A (en) * | 2020-11-05 | 2021-03-26 | 山西中永通机电设备制造有限公司 | Pipeline type conveying device for realizing uniform-speed homogeneous fluid transportation and application method |
| CN113124023A (en) * | 2021-05-17 | 2021-07-16 | 中国石油大学(华东) | Pipeline physical resistance reduction method, device and system based on fluid flow stability |
| CN114251534A (en) * | 2021-12-30 | 2022-03-29 | 上海电气电站环保工程有限公司 | Ammonia gas heat tracing transportation device with self-adjusting energy consumption |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105673626B (en) * | 2016-03-31 | 2017-11-10 | 中国海洋大学 | Turbulent flow becomes laminar flow sleeve pipe heating-up temperature field harvester |
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| CN107956650A (en) * | 2017-11-21 | 2018-04-24 | 北京金风科创风电设备有限公司 | Building enclosure with vibration inhibiting function and method for inhibiting vibration of building enclosure |
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| CN108953310A (en) * | 2018-09-10 | 2018-12-07 | 逸乐(廊坊)环保科技有限公司 | A kind of cutting fluid circulatory pool outlet turbulent flow-laminar flow conversion equipment |
| CN111081611A (en) * | 2019-12-30 | 2020-04-28 | 广州粤芯半导体技术有限公司 | Gas delivery line and semiconductor device |
| CN112555568B (en) * | 2020-11-05 | 2022-09-20 | 山西中永通机电设备制造有限公司 | Pipeline type conveying device for realizing uniform-speed homogeneous fluid transportation and application method |
| CN112555568A (en) * | 2020-11-05 | 2021-03-26 | 山西中永通机电设备制造有限公司 | Pipeline type conveying device for realizing uniform-speed homogeneous fluid transportation and application method |
| CN113124023A (en) * | 2021-05-17 | 2021-07-16 | 中国石油大学(华东) | Pipeline physical resistance reduction method, device and system based on fluid flow stability |
| CN114251534A (en) * | 2021-12-30 | 2022-03-29 | 上海电气电站环保工程有限公司 | Ammonia gas heat tracing transportation device with self-adjusting energy consumption |
| CN114251534B (en) * | 2021-12-30 | 2024-02-13 | 上海电气电站环保工程有限公司 | Ammonia heat tracing transportation device with self-adjusting energy consumption |
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| CN104565592B (en) | 2016-06-15 |
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