CN206158885U - A adjustable air -fuel ratio blender for V type gas compressor - Google Patents
A adjustable air -fuel ratio blender for V type gas compressor Download PDFInfo
- Publication number
- CN206158885U CN206158885U CN201621102350.XU CN201621102350U CN206158885U CN 206158885 U CN206158885 U CN 206158885U CN 201621102350 U CN201621102350 U CN 201621102350U CN 206158885 U CN206158885 U CN 206158885U
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- CN
- China
- Prior art keywords
- inner core
- blender
- mixer
- lower section
- diverter
- 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.)
- Expired - Fee Related
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Classifications
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- 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
Abstract
The utility model belongs to the technical field of defeated gas compressor is adopted to the oil gas field natural gas, but the blender of a concretely relates to mechanical type adjustment air -fuel ratio. A blender casing (1) that but the blender of's mechanical type adjustment air -fuel ratio has a tubular structure is proposed, be provided with the blender inner core in the central cavity of blender casing, the blender inner core comprises top blender inner core (2) and lower partial blender inner core (10), clearance between top blender inner core (2) and lower partial blender inner core (10) constitutes gas fuel passag (11), the center of partial blender inner core (10) is provided with shunt (3) down, shunt (3) fastening under in partial blender inner core (10) in the heart, the blender still is provided with positioning bolt (5) down. The utility model discloses this has reduced a large amount of adjustment Assembly of current air -fuel ratio governing system and like fuel gas flow regulating valve, air -vent valve etc. Has had the simple effectual characteristics of adjustment.
Description
Technical field
This utility model belongs to natural gas in oil and gas fields and adopts defeated gas compressor technical field, and in particular to one kind can mechanical type
The blender of adjustment air-fuel ratio.
Background technology
The patent No. 201520000866.2 discloses a kind of shale gas V-type engine compression and adopts defeated machine and system, in the patent
Described content is the machinery composition for including power section and compression section；Wherein power section is that a kind of gaseous fuel starts
Machine；The gaseous propellant engine is done work using fuel gas as fuel, drives compression section to the shale gas in exploitation
It is compressed so as to efficiently conveying；Gaseous propellant engine combustion gas control and air-fuel ratio regulation system include blender, mixing
The effect of device is that the gaseous fuel with the cleaning in certain pressure and certain temperature range and air are mixed so as to shape
The gaseous mixture of work by combustion is uniformly available for, for gaseous propellant engine the fuel for acting is provided.The gaseous mixture of formation
Middle air and the ratio of combustion gas are referred to as air-fuel ratio, and the size of air-fuel ratio and the uniformity of gaseous mixture will directly affect the point of spark plug
Combustion position in fire and cylinder, and then affect power, efficiency and the discharge of gaseous propellant engine.
There are two kinds currently used for the blender of gaseous propellant engine：Venturi-type blender and diaphragm-type mixer；
But both blenders cannot all utilize the autonomous adjusting air-fuel ratio of self structure, venturi mixer and diaphragm-type mixer
Before be required to increase gas flow adjusting means such as butterfly valve type gas flow valve and pressure regulator valve etc., what is more important facing not
Same source of the gas, when calorific value, gas concentration are varied widely, can all there is larger change in the air-fuel ratio regulation ability of these blenders
Change, the phenomenon such as throttling, out of proportion, Venturi effect reduction occur.
Utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model be propose it is a kind of can mechanical type adjustment air-fuel ratio it is mixed
Clutch.
Adopt the following technical scheme that to complete above-mentioned purpose this utility model：
It is a kind of can mechanical type adjust the blender of air-fuel ratio, described blender has mixer case；Described mixing
Device housing is the tubular structure of both ends open；Blender inner core is provided with the center cavity of the mixer case；Described
Blender inner core is made up of upper section mixer inner core and lower section mixer inner core；Described upper section mixer inner core is with
There is gap between section mixer inner core, and gap between the two constitutes blast tube；In described upper section mixer
Core be by the hollow cone stage body in the downward tapered footpath in upper end of mixer case, and the upper end of upper section mixer inner core with mix
Device housing is formed in one；There is gap between described upper section mixer inner core and mixer case；Described lower part
Blender inner core is have gap between hollow cylinder, and lower section mixer inner core and mixer case；The lower part
The bottom of blender inner core has outwardly annular boss；There is external screw thread on the periphery of the annular boss；Bottom
Divide blender inner core to be threadedly coupled with described mixer case by described annular boss to be integrated, and lower section mixer
The distance between inner core can be moved up and down in mixer case, change with upper section mixer inner core, lead to so as to adjust combustion gas
The size in road；The bottom of lower section mixer inner core center cavity is provided with three floors being uniformly distributed along the circumference；Three ribs
One end of plate is intersected in the center of lower section mixer inner core center cavity bottom；Upper section mixer inner core and mixer case
Between the gap having, the gap that has between lower section mixer inner core and mixer case collectively form pressure stabilizing cavity；
Space between the upper section mixer inner core and lower section mixer inner core end face is the air duct of blender；It is described
Lower section mixer inner core is provided centrally with diverter；Described diverter is bulb type structure；The diverter is by dividing
Stream device connector is fastened in lower section mixer inner core in the heart；The upper end circular arc portion of the diverter is to change air stream
Line is distributed so as to mixes in combustion gas in emitting shape and forms mixed uniformly gaseous mixture；The diverter of bulb type structure is by bottom
The center cavity for dividing blender inner core is divided into expanding gaseous mixture runner from top to bottom；Described blender is additionally provided with use
With the bolt that the lower section mixer inner core after to adjustment is positioned；On the wall of described lower section mixer inner core
With the location hole matched somebody with somebody with described bolt kiss；Described location hole is multilamellar setting up and down；Described blender shell
There is the connecting hole passed through to described bolt on body；Described connecting hole is one layer multiple, by making bolt
Through the connecting hole on blender and one layer of multiple location hole corresponding with lower section mixer inner core wall coordinate, realize
The positioning of section mixer inner core under diverse location.
Described diverter connector is metal cylinder hollow structure, cylindrical with screw thread, is matched somebody with somebody with diverter end-face helical
Close, inner circle has the screw thread coordinated with fastening bolt；Described diverter connector is by fastening bolt and described lower part
Blender inner core is fixed, so that diverter is fixed with described lower section mixer inner core.
Described diverter is from top to bottom followed successively by arc section A, throat B and circular cone contraction section C.
The utility model proposes it is a kind of can mechanical type adjust air-fuel ratio blender, using such scheme, with following
Effect：
1）The position of diverter and adjustment blender end inner core is only changed for different sources of the gas（Because it is connected with diverter
Together, diverter position is equally conditioned）, it is possible to adjust air-fuel ratio；This can mechanical type adjustment air-fuel ratio blender subtract
Existing air-fuel ratio regulation system substantial amounts of regulating member such as gas consumption adjusting valve, pressure regulator valve etc. are lacked；This can mechanical type adjustment
The blender of air-fuel ratio is different from other venturi mixers and the same structure of diaphragm-type mixer may be only available for specific gas
The air and combustion gas mixing in source, this can mechanical type adjustment air-fuel ratio blender be used in rubbish landfill gas, low concentration gas
Only need to be adjusted using bolt during the difference source of the gas such as gas, high concentration gas gas, oil field gas, shale gas, conventional natural gas
The position of whole blender end inner core, adjustment is simple effectively；
2）Diverter is engineering plastics, if frequently coordinated using the screw thread of bolt and diverter end face, can be caused point
The thread damage of stream device end face, therefore diverter connector is devised, diverter connector is metal cylinder hollow structure, cylindrical
For helicitic texture, coordinate with diverter end-face helical, inner circle is all helicitic texture, but coordinates with fastening bolt；Bolt
For half-thread structure, it is helicitic texture to close on bolt head, can be fixed on mixer case by the helicitic texture, away from
The part of bolt head is smooth rod-like structure, is exactly matched somebody with somebody by the smooth rod-like structure and the aperture on blender end inner core
Close, adjust the position of blender end inner core；Sealing bolt, sealing ring and mounting gasket are standard component, play the work of connection sealing
With.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the upward view of Fig. 1.
In figure：1st, mixer case, 2, upper section mixer inner core, 3, diverter, 4, diverter connector, 5, positioning spiral shell
Bolt, 6, sealing bolt, 7, sealing ring, 8, fastening bolt, 9, mounting gasket, 10, lower section mixer inner core, 11, blast tube,
12nd, pressure stabilizing cavity, 13, arc section A, 14, throat B, 15, circular cone contraction section C.
Specific embodiment
This utility model is illustrated with reference to the drawings and specific embodiments.
As shown in Figure 1 and Figure 2, it is a kind of can mechanical type adjust the blender of air-fuel ratio, described blender has blender shell
Body 1；Described mixer case 1 is manufactured by cast aluminium alloy；Described mixer case 1 is the tubular structure of both ends open；Institute
State and be provided with the center cavity of mixer case blender inner core；Described blender inner core is by upper section mixer inner core 2
Constitute with lower section mixer inner core 10；Have between described upper section mixer inner core 2 and lower section mixer inner core 10
Gap, and gap between the two constitutes blast tube 11；Described upper section mixer inner core 2 is by mixer case 1
The hollow cone stage body in the downward tapered footpath in upper end, and the upper end of upper section mixer inner core 2 is integrated into mixer case 1
Type；There is gap between described upper section mixer inner core 2 and mixer case 1；Described lower section mixer inner core 10
To have gap between hollow cylinder, and lower section mixer inner core 10 and mixer case 1；In the lower section mixer
The bottom of core 10 has outwardly annular boss；There is external screw thread on the periphery of the annular boss；Lower part mixing
Device inner core 10 is threadedly coupled with described mixer case 1 by described annular boss and is integrated, and in lower section mixer
The distance between core 10 can be moved up and down in the mixer case 1, change with upper section mixer inner core 2, so as to adjust combustion gas
The size of passage；The bottom of the lower center cavity of section mixer inner core 10 is provided with three floors being uniformly distributed along the circumference；Three institutes
The one end for stating floor is intersected in the center of lower section mixer inner core center cavity bottom；Upper section mixer inner core 2 with mix
The gap having between device housing 1, the common structure in gap having between lower section mixer inner core 10 and mixer case 1
Into pressure stabilizing cavity 12；Space between the upper section mixer inner core 2 and the lower end face of section mixer inner core 10 is blender
Air duct；The lower section mixer inner core is provided centrally with diverter 3；Described diverter 3 is bulb type structure；
The diverter 3 is fastened in lower section mixer inner core 10 in the heart by diverter connector 4；The upper end of the diverter 3
Circular arc portion is to change air flow line distribution so as to mixes in combustion gas in emitting shape and forms mixed uniformly gaseous mixture；Bulb type
The diverter of structure is divided into the center cavity of lower section mixer inner core from top to bottom by expanding gaseous mixture runner；
Described blender is additionally provided with the bolt 5 positioned to the lower section mixer inner core after to adjustment；Described
There is the location hole matched somebody with somebody with described bolt 5 kiss on the wall of lower section mixer inner core；Described location hole is upper and lower
The multilamellar of setting；There is the connecting hole passed through to described bolt on described mixer case 1；Described connecting hole
It is multiple for one layer, by make bolt through the connecting hole on blender and with phase on the lower wall of section mixer inner core 10
The one layer of multiple location hole answered coordinate, and realize the positioning of the section mixer inner core 10 under diverse location.
Described diverter connector 4 is metal cylinder hollow structure, cylindrical with screw thread, is matched somebody with somebody with diverter end-face helical
Close, inner circle has the screw thread coordinated with fastening bolt；Described diverter connector 4 is by fastening bolt and described lower part
Blender inner core 10 is fixed, so that diverter 3 is fixed with described lower section mixer inner core 10.
Described diverter 3 is from top to bottom followed successively by arc section A13, larynx by the solid construction of engineering plastics injection mo(u)lding
Portion B14 and circular cone contraction section C15；The ground of circular cone contraction section C15 is plane, has screwed hole perpendicular to plane machining；Because
Diverter 3 is engineering plastics, if frequently coordinated with the screw thread of the end face of diverter 3 using bolt, can cause the end face of diverter 3
Thread damage, therefore devise diverter connector 4, diverter connector 4 is metal cylinder hollow structure, cylindrical for screw thread
Structure, coordinates with the end-face helical of diverter 3, and inner circle is all helicitic texture, but coordinates with fastening bolt；Fastening bolt 8 is to divide
The counterpart of the inner circle bolt of stream device connector 4, is plain bolt.Bolt 5 is half-thread structure, closes on bolt head for spiral shell
Stricture of vagina structure, can be fixed on mixer case 1 by the helicitic texture, be smooth shaft-like knot away from the part of bolt head
Structure, is exactly to be coordinated by the aperture in the smooth rod-like structure and blender end inner core, adjusts the position of blender end inner core 2.
Sealing bolt 6, sealing ring 7 and mounting gasket 9 are standard component, play a part of connection sealing.
This utility model uses front assembling process：Diverter 3 is linked together with diverter connector 4, will be connected
Component be arranged on blender inner core 2 by fastening bolt 8 and mounting gasket 9, component now is installed to into blender shell
On body 1, position casts certain on the unthreaded hole on blender end inner core 2 and mixer case 1 according to the attribute of actual source of the gas
Lug screwed hole alignment, install bolt 5, on the Castingother lug on mixer case 1 install sealing bolt 6 and
Sealing ring 7.
Using it is described in the utility model can mechanical type adjust air-fuel ratio blender, by method used below meet to not
The air-fuel ratio regulation of same source of the gas, operating mode：
The cooperation of bolt 5 and the different lower location holes of part blender end inner core 10 is adjusted, so as to adjust lower part
The position of blender end inner core 1, changes the size of gas circulation passage；Simultaneously the position of diverter 3 also can mix with lower part
Device end inner core 1 changes together, so as to affect relative positions of the throat B in mixer case 1；When " blast tube " becomes big,
Throat B gradually draws close to " blast tube " place;, gaseous-pressure lower, calorific value fewer combustion gas less for gas concentration, mixing
The distance of device end inner core 2 should be more remote away from the center of mixer case 1, forms larger " blast tube ", and throat B is the closer to " combustion
Gas passage ";Vice versa for gas concentration is big, the combustion gas that gaseous-pressure is higher, calorific value is big, lower part blender end inner core should be reduced
1 distance away from the center of mixer case 1, forms less " blast tube ", and throat B is further away from " blast tube ".
Claims (3)
1. it is a kind of can mechanical type adjust air-fuel ratio blender, it is characterised in that：Described blender has mixer case
（1）；Described mixer case（1）For the tubular structure of both ends open；It is provided with the center cavity of the mixer case
Blender inner core；Described blender inner core is by upper section mixer inner core（2）With lower section mixer inner core（10）Constitute；Institute
The upper section mixer inner core stated（2）With lower section mixer inner core（10）Between there is gap, and gap structure between the two
Into blast tube（11）；Described upper section mixer inner core（2）It is by mixer case（1）The downward tapered footpath in upper end sky
Heart circular cone stage body, and the upper end of upper section mixer inner core is formed in one with mixer case；Described upper section mixer
Inner core（2）With mixer case（1）Between have gap；Described lower section mixer inner core（10）For hollow cylinder, and
Lower section mixer inner core（10）With mixer case（1）Between have gap；The lower section mixer inner core（10）Bottom
Portion has outwardly annular boss；There is external screw thread on the periphery of the annular boss；Lower section mixer inner core
（10）By described annular boss and described mixer case（1）Threaded connection is integrated, and lower section mixer inner core
（10）Can be in mixer case（1）Inside move up and down；Lower section mixer inner core（10）The bottom of center cavity is provided with along circle
Three floors of Zhou Junbu；One end of three floors is intersected in the center of lower section mixer inner core center cavity bottom；
Upper section mixer inner core（2）With mixer case（1）Between the gap, the lower section mixer inner core that have（10）With mix
Device housing（1）Between the gap that has collectively form pressure stabilizing cavity（12）；The upper section mixer inner core（2）It is mixed with lower part
Clutch inner core（10）Space between end face is the air duct of blender；The lower section mixer inner core（10）Center
It is provided with diverter（3）；Described diverter（3）For bulb type structure；The diverter（3）By diverter connector（4）
It is fastened on lower section mixer inner core（10）In in the heart；The diverter（3）Upper end circular arc portion to change air flow line
Distribution so as to mix in combustion gas in emitting shape and form mixed uniformly gaseous mixture；The diverter of bulb type structure is by lower part
The center cavity of blender inner core is divided into expanding gaseous mixture runner from top to bottom；Described blender be additionally provided with to
The bolt that lower section mixer inner core after to adjustment is positioned（5）；The wall of described lower section mixer inner core
It is upper to have and described bolt（5）The location hole that kiss is matched somebody with somebody；Described location hole is multilamellar setting up and down；Described mixing
There is the connecting hole passed through to described bolt on device housing；Described connecting hole is one layer multiple, by making positioning
Bolt is through the connecting hole on blender and one layer of multiple location hole corresponding with lower section mixer inner core wall coordinate,
Realize the positioning of the section mixer inner core under diverse location.
2. it is as claimed in claim 1 it is a kind of can mechanical type adjust the blender of air-fuel ratio, it is characterised in that：Described diverter
Connector（4）For metal cylinder hollow structure, cylindrical to coordinate with diverter end-face helical with screw thread, inner circle has and fastening
The screw thread that bolt coordinates；Described diverter connector is fixed by fastening bolt with described lower section mixer inner core, from
And diverter is fixed with described lower section mixer inner core.
3. it is as claimed in claim 1 it is a kind of can mechanical type adjust the blender of air-fuel ratio, it is characterised in that：Described diverter
（3）From top to bottom it is followed successively by arc section A（13）, throat B（14）With circular cone contraction section C（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621102350.XU CN206158885U (en) | 2016-10-08 | 2016-10-08 | A adjustable air -fuel ratio blender for V type gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621102350.XU CN206158885U (en) | 2016-10-08 | 2016-10-08 | A adjustable air -fuel ratio blender for V type gas compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206158885U true CN206158885U (en) | 2017-05-10 |
Family
ID=58652463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621102350.XU Expired - Fee Related CN206158885U (en) | 2016-10-08 | 2016-10-08 | A adjustable air -fuel ratio blender for V type gas compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206158885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194505A (en) * | 2016-10-08 | 2016-12-07 | 河南柴油机重工有限责任公司 | A kind of adjustable air-fuel ratio blender for V-type gas compressor |
-
2016
- 2016-10-08 CN CN201621102350.XU patent/CN206158885U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194505A (en) * | 2016-10-08 | 2016-12-07 | 河南柴油机重工有限责任公司 | A kind of adjustable air-fuel ratio blender for V-type gas compressor |
| CN106194505B (en) * | 2016-10-08 | 2018-08-31 | 河南柴油机重工有限责任公司 | A kind of adjustable air-fuel ratio mixer for V-type gas compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20181008 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |