CN107762666A - Liquefaction gas spraying device that can be antifreeze - Google Patents

Liquefaction gas spraying device that can be antifreeze Download PDF

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Publication number
CN107762666A
CN107762666A CN201610678968.9A CN201610678968A CN107762666A CN 107762666 A CN107762666 A CN 107762666A CN 201610678968 A CN201610678968 A CN 201610678968A CN 107762666 A CN107762666 A CN 107762666A
Authority
CN
China
Prior art keywords
groove
spray
tube
heating wire
hollow tube
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.)
Withdrawn
Application number
CN201610678968.9A
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Chinese (zh)
Inventor
彭建明
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201610678968.9A priority Critical patent/CN107762666A/en
Publication of CN107762666A publication Critical patent/CN107762666A/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/023Valves; Pressure or flow regulators in the fuel supply or return system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/06Apparatus for de-liquefying, e.g. by heating
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/10Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/40Heating elements having the shape of rods or tubes
    • H05B3/42Heating elements having the shape of rods or tubes non-flexible
    • H05B3/48Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)

Abstract

The invention discloses liquefaction gas spraying device that can be antifreeze, including air inlet pipe, hollow tube, multiple spray-holes are provided with hollow tube upper end, magnetic valve is correspondingly installed on spray-hole, groove is provided with hollow inside pipe wall, spray-hole face groove, multiple electrothermal tubes have been arranged side by side in groove, electric heating bottom of the tube is provided with guide pad, the guide groove being engaged with guide pad is provided with bottom portion of groove, electrothermal tube includes body, it is filled in the insulating materials of tubular body and is placed in the heating wire of tubular body, heating wire end is connected with binding post, the one end of groove away from air inlet pipe is provided with the aperture being in communication with the outside, binding post is connected through aperture with wiring plate, covered with heat-conducting plate on the open end of groove.The body bottom of electrothermal tube is provided with guide pad, and guide pad coordinates with guide groove so that the placement of body is more stable, i.e., need not increase new fixed structure just can realize the fastening of electrothermal tube, reaches the purpose of optimization spray rail internal structure.

Description

Liquefaction gas spraying device that can be antifreeze
Technical field
The present invention relates to gas injection rail, in particular to can be antifreeze liquefaction gas spraying device.
Background technology
Gas injection rail is necessaries on CNG- gasoline double-fuel cars, but when temperature is relatively low, low temperature makes low-voltage tube Contraction of gas in road, negative pressure is formed between combustion gas common rail and filter, open gas injection rail and be not easy, influence gas burning system Normal use;We use hydro-thermal by way of gas injection rail is heated, can normal work, but need Water route is installed, increase pipeline interference, fluid leakage easily occurs, increases maintenance difficulties.
The content of the invention
It is an object of the invention to provide liquefaction gas spraying device that can be antifreeze, ensure combustion gas normal through keeping away simultaneously Exempt from occur liquid in fuel gas pipeline.
The purpose of the present invention is achieved through the following technical solutions:
Liquefaction gas spraying device that can be antifreeze, including air inlet pipe and hollow tube in communication, are provided with more in hollow tube upper end Individual spray-hole, and magnetic valve is correspondingly installed on the spray-hole, it is provided with groove, and the injection in the hollow inside pipe wall Groove described in the face of hole, multiple electrothermal tubes being arranged side by side in the groove, electric heating bottom of the tube is provided with guide pad, and recessed Trench bottom is provided with the guide groove being engaged with guide pad, and the electrothermal tube includes body, is filled in the insulating materials of tubular body And the heating wire of tubular body is placed in, the heating wire end is connected with binding post, and the one end of groove away from air inlet pipe is provided with The aperture being in communication with the outside, binding post are connected through aperture with wiring plate, and covered with heat-conducting plate on the open end of groove, Heat-conducting plate separates the inside grooves with hollow tube.
During present invention work, combustion gas is injected directly in hollow tube by air inlet pipe, and is flowed into by spray-hole in magnetic valve Afterwards, by magnetic valve accurate adjustment so that ensure that combustion gas is maintained at optimal flow and exported;And in the prior art Sprayed caused by air pressure in low pressure line is relatively low and occur the situation of negative pressure between rail and filter, the present invention is in hollow tube face Groove is provided with the inwall of spray-hole, i.e., the gas circulation region in hollow tube is subjected to heat temperature raising, utilizes the hair of electrothermal tube The heat transfer of heat and heat-conducting plate so that environment temperature of the combustion gas before hollow tube is entered in hollow tube is relative to the external world Temperature drift, i.e., the pressure rise in hollow tube, is heated up, has to a certain extent after combustion gas into combustion gas after hollow tube Effect avoids and produces negative pressure between spray rail and filter and influence the flow velocity of combustion gas, ensures the normal circulation of combustion gas.Also, use Electric heating is compared with hydro-thermal mode, and while with liquid leakage risk, the efficiency of heating greatly improves, and multiple electricity Heating tube is placed in groove, and the side of groove is sealed by wiring plate, can reduce heat loss, be also convenient for simultaneously Electrothermal tube is picked and placeed, i.e., user can determine the number of electrothermal tube in real time according to the size of fuel gas supply amount, ensure with minimum Heating cost complete stable operation to combustion gas output flow;The body bottom of electrothermal tube is provided with guide pad simultaneously, is oriented to Block coordinates with guide groove so that the placement of body is more stable, i.e., need not increase new fixed structure just can realize electric heating The fastening of pipe, reach the purpose of optimization spray rail internal structure.
It is parallel with one another between multiple electrothermal tubes.During the lasting use of electrothermal tube, the loss of electrothermal tube is relative It is larger, i.e., the failures such as damage or short circuit occur in multiple electrothermal tubes, and multiple electrothermal tubes are arranged to parallel connection by the present invention, i.e., When single electrothermal tube breaks down, do not interfere with the normal use of remaining electrothermal tube, with prevent from spraying at low ambient temperatures rail with Negative pressure is formed between filter and causes the output flow deficiency of combustion gas.
Aluminium bar is also equipped with the tubular body, the heating wire winding is on the aluminium bar.Overloaded when heating wire Or during excessively stream, easily cause power of heating wire to decline or directly produce fusing, and the aluminium bar of installation is by heating wire in body Wound, can ensure that heating wire works within the regular hour, avoid spraying form negative pressure between rail and filter again and The output flow deficiency of combustion gas.
The present invention compared with prior art, has the following advantages and advantages:
1st, the present invention uses Electric heating compared with hydro-thermal mode, while with liquid leakage risk, the efficiency of heating Greatly improve, and multiple electric heating tubes are placed in the groove of arc, and the side of groove is sealed by wiring plate, can Reduce heat loss, while be also convenient for picking and placeing electrothermal tube, i.e., user can determine in real time according to the size of fuel gas supply amount The number of electrothermal tube, ensure to complete the stable operation to combustion gas output flow with the heating cost of minimum;
2nd, the present invention uses Electric heating compared with hydro-thermal mode, while with liquid leakage risk, the efficiency of heating Greatly improve, and multiple electric heating tubes are placed in the groove of arc, and the side of groove is sealed by wiring plate, can Reduce heat loss, while be also convenient for picking and placeing electrothermal tube, i.e., user can determine in real time according to the size of fuel gas supply amount The number of electrothermal tube, ensure to complete the stable operation to combustion gas output flow with the heating cost of minimum;
3rd, the present invention easily causes power of heating wire to decline or directly produce fusing when when heating wire overload or excessively stream, It and the aluminium bar of installation is wound by heating wire in body, can ensure that heating wire works within the regular hour, avoid spraying rail Form the output flow deficiency of negative pressure and combustion gas again between filter.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the structural representation of electrothermal tube;
Mark and corresponding parts title in accompanying drawing:
1- air inlet pipe, 2- hollow tubes, 3- spray-holes, 4- grooves, 5- heat-conducting plates, 6- magnetic valves, 7- electrothermal tubes, 8- wiring plate, 9- binding posts, 10- bodys, 11- insulating materials, 12- heating wire, 13- guide pads, 14- aluminium bars.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make For limitation of the invention.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment includes air inlet pipe 1 and hollow tube 2 in communication, is provided with the upper end of hollow tube 2 Multiple spray-holes 3, and magnetic valve 6 is correspondingly installed on the spray-hole 3, it is excellent to be provided with section in the inwall of hollow tube 2 The groove 4 of arc, and groove 4 described in the face of the spray-hole 3, have been arranged side by side multiple electrothermal tubes 7, electric heating in the groove 4 The bottom of pipe 7 is provided with guide pad 13, and the guide groove being engaged with guide pad 13 is provided with the bottom of groove 4, and the electrothermal tube 7 wraps Include body 10, the insulating materials being filled in inside body 10 11 and the heating wire 12 being placed in inside body 10, the heating wire 12 ends are connected with binding post 9, and the one end of groove 4 away from air inlet pipe 1 is provided with the aperture being in communication with the outside, and binding post 9 is through small Hole is connected with wiring plate 8, and covered with heat-conducting plate 5 on the open end of groove 4, heat-conducting plate 5 is by the inside of groove 4 with Separated inside blank pipe 2.
During work, combustion gas is injected directly in hollow tube 2 by air inlet pipe 1, and by spray-hole 3 flow into magnetic valve 6 in after, By magnetic valve 6 accurate adjustment so that ensure that combustion gas is maintained at optimal flow and exported;And for low in the prior art Sprayed caused by air pressure in pressure pipe road is relatively low and occur the situation of negative pressure between rail and filter, the present embodiment in hollow tube 2 just To being provided with groove 4 at the inwall of spray-hole 3, i.e., the gas circulation region in hollow tube 2 is subjected to heating heating, utilizes electrothermal tube 7 caloric value and the heat transfer of heat-conducting plate 5 so that environment temperature of the combustion gas before hollow tube 2 is entered in hollow tube 2 is relative In the external world temperature drift, i.e., in hollow tube 2 pressure rise, after combustion gas enter hollow tube 2 after combustion gas to a certain extent by Heat temperature raising, it effectively prevent and produce negative pressure between spray rail and filter and influence the flow velocity of combustion gas, ensure the normal stream of combustion gas It is logical.
Also, using Electric heating compared with hydro-thermal mode, while with liquid leakage risk, the efficiency of heating Greatly improve, and multiple electric heating tubes are placed in the groove 4 of arc, the side of groove 4 are carried out by wiring plate 8 close Envelope, can reduce heat loss, while be also convenient for picking and placeing to electrothermal tube 7, i.e., user can be according to the size reality of fuel gas supply amount When determine the number of electrothermal tube 7, ensure to complete the stable operation to combustion gas output flow with the heating cost of minimum.
Wherein, during the lasting use of electrothermal tube 7, the loss of electrothermal tube 7 is relatively large, i.e., in multiple electrothermal tubes 7 The failures such as damage or short circuit occur, and multiple electrothermal tubes 7 are arranged to parallel connection by the present embodiment, i.e., go out in single electrothermal tube 7 During existing failure, the normal use of remaining electrothermal tube 7 is not interfered with, is formed with preventing from spraying at low ambient temperatures between rail and filter Negative pressure and cause combustion gas output flow deficiency;The bottom of body 10 of electrothermal tube 7 is provided with guide pad 13 simultaneously, guide pad 13 with Guide groove coordinates so that the placement of body 10 is more stable, i.e., need not increase new fixed structure just can realize electrothermal tube 7 Fastening, reach optimization spray rail internal structure purpose.
Preferably, being also equipped with aluminium bar 14 inside the body 10, the heating wire 12 is wrapped in the aluminium bar 14 On.Overloading or during excessively stream when heating wire 12, easily causing the power drop of heating wire 12 or directly produce fusing, and body The aluminium bar 14 of installation is wound by heating wire 12 in 10, can be ensured that heating wire 12 works within the regular hour, be avoided spraying The output flow deficiency of negative pressure and combustion gas is formed between rail and filter again.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include Within protection scope of the present invention.

Claims (3)

1. liquefaction gas spraying device that can be antifreeze, including air inlet pipe(1)And hollow tube in communication(2), in hollow tube(2) Upper end is provided with multiple spray-holes(3), and in the spray-hole(3)Upper correspondence is provided with magnetic valve(6), it is characterised in that:Institute State hollow tube(2)Inwall is provided with groove(4), and the spray-hole(3)Groove described in face(4), in the groove(4)Inside side by side It is provided with multiple electrothermal tubes(7), electrothermal tube(7)Bottom is provided with guide pad(13), and in groove(4)Bottom is provided with and guide pad (13)The guide groove being engaged, the electrothermal tube(7)Including body(10), be filled in body(10)Internal insulating materials(11) And it is placed in body(10)Internal heating wire(12), the heating wire(12)End is connected with binding post(9), groove(4)Far From air inlet pipe(1)One end be provided with the aperture being in communication with the outside, binding post(9)Through aperture and wiring plate(8)Connection, and Groove(4)Open end on covered with heat-conducting plate(5), heat-conducting plate(5)By the groove(4)Internal and hollow tube(2)Inside points Separate.
2. liquefaction gas spraying device that can be antifreeze according to claim 1, it is characterised in that:Multiple electrothermal tubes(7) Between it is parallel with one another.
3. liquefaction gas spraying device that can be antifreeze according to claim 1, it is characterised in that:In the body(10)It is internal It is also equipped with aluminium bar(14), the heating wire(12)It is wrapped in the aluminium bar(14)On.
CN201610678968.9A 2016-08-17 2016-08-17 Liquefaction gas spraying device that can be antifreeze Withdrawn CN107762666A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610678968.9A CN107762666A (en) 2016-08-17 2016-08-17 Liquefaction gas spraying device that can be antifreeze

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610678968.9A CN107762666A (en) 2016-08-17 2016-08-17 Liquefaction gas spraying device that can be antifreeze

Publications (1)

Publication Number Publication Date
CN107762666A true CN107762666A (en) 2018-03-06

Family

ID=61260183

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610678968.9A Withdrawn CN107762666A (en) 2016-08-17 2016-08-17 Liquefaction gas spraying device that can be antifreeze

Country Status (1)

Country Link
CN (1) CN107762666A (en)

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PB01 Publication
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20180306