CN107762666A - Liquefaction gas spraying device that can be antifreeze - Google Patents
Liquefaction gas spraying device that can be antifreeze Download PDFInfo
- 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- Withdrawn
Links
- 238000005507 spraying Methods 0.000 title claims abstract description 14
- 230000002528 anti-freeze Effects 0.000 title claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000004891 communication Methods 0.000 claims abstract description 7
- 239000011810 insulating material Substances 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 abstract description 11
- 239000007921 spray Substances 0.000 abstract description 5
- 238000005457 optimization Methods 0.000 abstract description 3
- 239000000567 combustion gas Substances 0.000 description 25
- 239000007789 gas Substances 0.000 description 12
- 230000007812 deficiency Effects 0.000 description 5
- 239000002737 fuel gas Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/06—Apparatus for de-liquefying, e.g. by heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- 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
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.
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) |
-
2016
- 2016-08-17 CN CN201610678968.9A patent/CN107762666A/en not_active Withdrawn
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180306 |