CN106152130B - A kind of two-way combination type burner - Google Patents
A kind of two-way combination type burner Download PDFInfo
- Publication number
- CN106152130B CN106152130B CN201610663740.2A CN201610663740A CN106152130B CN 106152130 B CN106152130 B CN 106152130B CN 201610663740 A CN201610663740 A CN 201610663740A CN 106152130 B CN106152130 B CN 106152130B
- Authority
- CN
- China
- Prior art keywords
- outer ring
- combustion
- copper alloy
- tray
- inner ring
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/84—Flame spreading or otherwise shaping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/14—Special features of gas burners
- F23D2900/14062—Special features of gas burners for cooking ranges having multiple flame rings
Abstract
The present invention provides a kind of two-way combination type burners, including：Tray for combustion, and setting is centrosymmetric there are two gas transmission mechanism along the axis direction of tray for combustion, wherein, one end of Liang Ge gas transmission mechanism is connected, and the opening direction of Liang Ge gas transmission mechanism, on the contrary, the other end and tray for combustion of Liang Ge gas transmission mechanism are integrally formed, the material of the main body of tray for combustion is copper alloy；Burning rack is each provided with an admission gear positioned at the both ends of the side of tray for combustion, and burning rack, and each admission gear is connected with a gas transmission mechanism respectively；Fire dish, including：Outer ring fiery disk and inner ring fiery disk are flush-mounted in the other side of tray for combustion respectively, and outer ring fiery disk is arranged concentrically with inner ring fiery disk.In two-way combination type burner provided by the invention, it is connected respectively with bracket Shang Liangge admission gear by the one end for the Liang Ge gas transmission mechanism being set on tray for combustion, the other end of Liang Ge gas transmission mechanism is connected with the fire dish on tray for combustion, the conduct channel of combustion gas is simplified, while not influencing the working efficiency of burner.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of burner, especially a kind of two-way combination type burner.
Background technique
Gas-cooker is the kitchen utensils that straight fire heating is carried out with gaseous fuels such as liquefied petroleum gas, artificial coal gas, natural gases,
Its core component is gas apparatus (being mainly made of burner and fire cover)；Wherein, logical mix with air combustion gas of burner lights shape
At flame, the air inlet mode of burner design affects the size of firepower, efficiency of burning etc., and fire cover is then according to heating
Characteristics of demand is designed to vortex or directly-firing, to enable the output form of flame in swingfire or straight fire.Currently, gas-cooker is ground
Hair emphasis includes the mixed firinor fuel burning efficiency of burning gases, the dynamics of flame output and uniformity etc., the optimization in terms of these
Improvement need to be realized by reasonable tectonic sieving.
In conclusion to solve the deficiency on existing burner structure, need to design a kind of simple structure and reasonable design and
The two-way combination type burner of bidirection air intake.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of simple structure and reasonable design is proposed
And the two-way combination type burner of bidirection air intake.
Object of the invention can be realized by the following technical scheme：A kind of two-way combination type burner, including：
Tray for combustion is in rotational-like setting, and is centrosymmetric setting there are two defeated along the axis direction of the tray for combustion
Mechanism of qi structure, wherein one end of two gas transmission mechanisms is connected, and the opening direction of two gas transmission mechanisms is on the contrary, two
The other end and the tray for combustion of the gas transmission mechanism are integrally formed；
Burning rack is each provided with an admission gear positioned at the both ends of the side of the tray for combustion, and the burning rack, and every
One admission gear is connected with a gas transmission mechanism respectively；
Fire dish, including：Outer ring fiery disk and inner ring fiery disk are flush-mounted in the other side of the tray for combustion respectively, and described outer
Ring fire disk is arranged concentrically with the inner ring fiery disk.
In a kind of above-mentioned two-way combination type burner, one of them described gas transmission mechanism is arranged in crescent shape, packet
It includes：
First outer ring gas distribution channel is connected with the inner annular recess of the tray for combustion other side；
Another described gas transmission mechanism is arranged in crescent shape, including：
Second outer ring gas distribution channel, is set to the opposite side of the first outer ring gas distribution channel, and with the inner annular recess
It is connected；
Inner ring gas distribution channel is separated by with the second outer ring gas distribution channel by block, and described defeated at two with being arranged
The outer annular recess at the back side of the connected one end of mechanism of qi structure is connected.
In a kind of above-mentioned two-way combination type burner, the two sides of the connected one end of two gas transmission mechanisms are symmetrically respectively set
It is equipped with a card slot.
In a kind of above-mentioned two-way combination type burner, the burning rack further includes：
Chassis is arranged in stud；
Two hollow cylinders are symmetrically arranged in the longer both sides of the chassis, and one end of the hollow cylinder and institute
It states chassis to be connected, the other end of the hollow cylinder is mutually clamped with the card slot；
L bracket, be located at the chassis it is shorter on one side on, and with the chassis be integrally formed；
Cross frame is integrally formed across the shorter both sides of the chassis, and with the chassis.
In a kind of above-mentioned two-way combination type burner, the admission gear being connected in the L bracket includes：
Outer ring inlet end is connected with the L bracket；
First outer ring appendix, one end are connected to the L bracket, and the other end passes through outside threaded fastener and described first
Ring gas distribution channel is connected, wherein the outer ring inlet end is connected with the first outer ring appendix.
In a kind of above-mentioned two-way combination type burner, the admission gear being connected on the cross frame is wrapped
It includes：
Inner ring inlet end, by being mutually clamped with the integrally formed convex block of cross frame；
Inner ring appendix, one end are connected with the inner ring inlet end, and the other end is defeated by threaded fastener and the inner ring
Gas channel is connected；
Second outer ring appendix, one end are connected with the inner ring inlet end, the other end by threaded fastener with it is described
Second outer ring gas distribution channel is connected.
In a kind of above-mentioned two-way combination type burner, the outer ring fiery disk is in rotational-like setting, and along described outer
The axis direction circular array of ring fire disk is provided with several outer ring glory holes, and the institute of the outer ring glory hole side
Outer ring fiery disk is stated to be recessed inwardly；The inner ring fiery disk is in rotational-like setting, and is in ring along the axis direction of the inner ring fiery disk
Shape array is provided with several petal-shaped circular arcs, and an inner ring glory hole is arranged on each described petal-shaped circular arc, and described
The inner ring fiery disk of inner ring glory hole side is recessed inwardly.
In a kind of above-mentioned two-way combination type burner, the axis direction circular array along the tray for combustion is provided with
Several arc grooves.
In a kind of above-mentioned two-way combination type burner, positioning column is provided on each angle of the chassis.
In a kind of above-mentioned two-way combination type burner, copper alloy, including main phase element, auxiliary phase element, additive with
And inevitable impurity element, wherein main phase element includes copper, gallium, nickel, cobalt, auxiliary phase element include zinc, chromium, tin, titanium, silver,
At least one of magnesium, aluminium, iron, boron, manganese, vanadium, calcium, gold, platinum, zirconium, carbon, impurity element include but not limited to phosphorus, sulphur, oxygen, hydrogen,
Nitrogen, impurity element total amount are lower than 0.03wt% in copper alloy content；Auxiliary phase element total amount is 3-5wt% in copper alloy content；It is main
Gallium, nickel, cobalt one-component are 0.5-1.5wt% in copper alloy content in phase element；Additive total amount is in copper alloy content
0.1-0.3wt%；Surplus is copper.The present invention program is adjusted in alloy by using the auxiliary form with main phase element of auxiliary phase element
Crystal form composition and crystalline structure, promoted metallic atom electron cloud between conjugation Overlay, so as to improve bulk alloy portion
The electric conductivity divided, while by the additive part of addition, protective layer in a high temperauture environment and machinery as alloy
Performance increases tissue, has achieved the purpose that improve copper alloy high-temperature stability and tolerance, has realized the quality under hot conditions
Stablize.By the specific use of additive, overcoming the functional elements content such as nickel cobalt gallium in main phase element is reduced in lattice knot
Adverse effect in terms of structure and intensity.
In a kind of above-mentioned two-way combination type burner, additive is doped in alloy surface in copper alloy.
In a kind of above-mentioned two-way combination type burner, additive doping depth in copper alloy is not more than 0.5mm.
In a kind of above-mentioned two-way combination type burner, uniformly divide in the alloy surface that additive adulterates in copper alloy
Cloth from outward appearance to inner essence successively decreases (i.e. with the increase of doping depth, the content of additive is reduced in same depth).
In the present invention program, it is only entrained in the surface structure of copper alloy using the additive of low-doped amount, realizes low
Stablizing for high temperature resistant and mechanical performance under doping is promoted, while reducing the content in alloy components internal additives, and is dropped
The content of " impurity " form substance of low internal influence electric conductivity, to reduce the influence of pairing Jin Jing's phase structure.And in high temperature
Under form, there are when carbon fiber in additive, electric conductivity is enhanced, and reduces influence of the high temperature to alloy itself thermal resistance,
Thermally conductive cumulative ability is promoted, to reduce heat loss, promotes boiling efficiency and fuel availability.
In a kind of above-mentioned two-way combination type burner, additive is carbon fiber, ceramic fibre, titanium nitride, calcium carbonate
At least one of.
It is carbon fiber, ceramic fibre, titanium nitride, carbonic acid in additive in a kind of above-mentioned two-way combination type burner
When calcium, surface is pre-formed with middle layer, and middle layer includes at least one layer of aluminum middle layer.
In a kind of above-mentioned two-way combination type burner, every layer of aluminum middle layer is micro- with a thickness of 0.1-0.4 in middle layer
Rice.
It between adjacent two aluminum middle layer further include having copper mistake in middle layer in a kind of above-mentioned two-way combination type burner
Cross layer.Copper/constructed of aluminium of middle layer to improve the histocompatbility of additive, while playing the role of controlling cost.And not shadow
The processing switching performance for the device that snap goes out.The soft aluminium layer of matter can be buffered in long-term heated compression simultaneously, and be promoted
Structural stability and tolerance.
In a kind of above-mentioned two-way combination type burner, the overall thickness of middle layer is 2-3 microns.
To the control of total interlayer thickness and each thickness degree in the present invention, with adapt to additive to high temperature resistance and
To the compatibility of alloy structure, so that consistent and effective phase composition part is formed in addition part, thus in alloy structure table
Layer forms that high temperature resistance is good and mechanical performance improvement tissue outstanding, thus the high-temperature mechanical property of promotion alloy on the whole
And high-temperature stability, it avoids long-term calcination and changes colour or aoxidize.
Compared with prior art, in two-way combination type burner provided by the invention, by be set on tray for combustion two
One end of a gas transmission mechanism is connected with bracket Shang Liangge admission gear respectively, on the other end and tray for combustion of Liang Ge gas transmission mechanism
Fire dish is connected, and simplifies the conduct channel of combustion gas, while not influencing the working efficiency of burner.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of two-way combination type burner of the present invention.
Fig. 2 is the bottom view of Fig. 1.
Fig. 3 is the structural schematic diagram of tray for combustion in a kind of two-way combination type burner of the present invention.
Fig. 4 is the structural schematic diagram at another visual angle of tray for combustion shown in Fig. 3.
Fig. 5 is the structural schematic diagram of burning rack in a kind of two-way combination type burner of the present invention.
Fig. 6 is the structural schematic diagram of burning rack shown in Fig. 5.
In figure, 100, tray for combustion；110, gas transmission mechanism；111, the first outer ring gas distribution channel；112, the second outer ring gas transmission is logical
Road；113, inner ring gas distribution channel；114, block；120, inner annular recess；130, outer annular recess；140, card slot；150, arc groove；
200, burning rack；210, admission gear；211, outer ring inlet end；212, the first outer ring appendix；213, inner ring inlet end；214,
Inner ring appendix；215, the second outer ring appendix；220, chassis；230, hollow cylinder；240, L bracket；250, cross frame；
260, positioning column；300, fire dish；310, outer ring fiery disk；311, outer ring glory hole；320, inner ring fiery disk；321, petal-shaped circle
Arc；322, inner ring glory hole.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, the present invention provides a kind of two-way combination type burners, including：Tray for combustion
100, it is in rotational-like setting, and be centrosymmetric and be arranged there are two gas transmission mechanism 110 along the axis direction of tray for combustion 100,
In, one end of Liang Ge gas transmission mechanism 110 is connected, and the opening direction of Liang Ge gas transmission mechanism 110 is on the contrary, Liang Ge gas transmission mechanism 110
The other end and tray for combustion 100 be integrally formed；Burning rack 200, positioned at the side of tray for combustion 100, and the both ends of burning rack 200 are each
It is provided with an admission gear 210, and each admission gear 210 is connected with a gas transmission mechanism 110 respectively；Fire dish 300,
Including：Outer ring fiery disk 310 and inner ring fiery disk 320 are flush-mounted in the other side of tray for combustion 100, and outer ring fiery disk 310 and inner ring respectively
Fiery disk 320 is arranged concentrically.
Preferably, as shown in Figure 3 and Figure 4, one of gas transmission mechanism 110 is arranged in crescent shape, including：First outer ring
Gas distribution channel 111 is connected with the inner annular recess 120 of 100 other side of tray for combustion；Another gas transmission mechanism 110, sets in crescent shape
It sets, including：Second outer ring gas distribution channel 112, is set to the opposite side of the first outer ring gas distribution channel 111, and with inner annular recess 120
It is connected；Inner ring gas distribution channel 113 is separated by with the second outer ring gas distribution channel 112 by block 114, and defeated at two with being arranged
The be connected outer annular recess 130 at the back side of one end of mechanism of qi structure 110 is connected.
Preferably, as shown in Figure 3 and Figure 4, the be connected two sides of one end of Liang Ge gas transmission mechanism 110 are symmetrically each provided with a card slot
140。
Preferably, as shown in Figure 3 and Figure 4, the axis direction circular array of tray for combustion 100 is provided with several arcs
Groove 150, the inlet channel as air.
Preferably, as shown in Figure 5 and Figure 6, burning rack 200 further includes：Chassis 220 is arranged in stud；Two hollow posts
Body 230 is symmetrically arranged in the longer both sides of chassis 220, and one end of hollow cylinder 230 is connected with chassis 220, hollow cylinder
230 other end is clamped with 140 phase of card slot；L bracket 240, be located at chassis 220 it is shorter on one side on, and with the one of chassis 220 at
Type, the mounting rack as one of admission gear 210；Cross frame 250, across the shorter both sides of chassis 220, and and chassis
220 are integrally formed as the mounting rack of another admission gear 210.
Preferably, as shown in Figure 5 and Figure 6, the admission gear 210 being connected in L bracket 240 includes：Outer ring inlet end
211, it is connected with L bracket 240；First outer ring appendix 212, one end are connected to L bracket 240, and the other end passes through screw thread
Fastener is connected with the first outer ring gas distribution channel 111, wherein outer ring inlet end 211 is connected with the first outer ring appendix 212
It is logical.
Preferably, as shown in Figure 5 and Figure 6, the admission gear 210 being connected on cross frame 250 includes：Inner ring inlet end
213, by being mutually clamped with the integrally formed convex block of cross frame 250；Inner ring appendix 214, one end and 213 phase of inner ring inlet end
Even, the other end is connected by threaded fastener with inner ring gas distribution channel 113；Second outer ring appendix 215, one end and inner ring into
Gas end 213 is connected, and the other end is connected by threaded fastener with the second outer ring gas distribution channel 112.
Preferably, as shown in Figure 5 and Figure 6, it is provided with positioning column 260 on each angle of chassis 220, as burner
Connecting pin.
Preferably, as depicted in figs. 1 and 2, outer ring fiery disk 310 is in rotational-like setting, and along the axis of outer ring fiery disk 310
Direction circular array is provided with several outer ring glory holes 311, and the outer ring fiery disk 310 of 311 side of outer ring glory hole
It is recessed inwardly.
Preferably, as depicted in figs. 1 and 2, inner ring fiery disk 320 is in rotational-like setting, and along the axis of inner ring fiery disk 320
Direction circular array is provided with several petal-shaped circular arcs 321, and ring flame in one is arranged on each petal-shaped circular arc 321
Hole 322, and the inner ring fiery disk 320 of 322 side of inner ring glory hole is recessed inwardly.
In two-way combination type burner provided by the invention, pass through the Liang Ge gas transmission mechanism 110 being set on tray for combustion 100
One end be connected respectively with bracket Shang Liangge admission gear 210, on the other end of Liang Ge gas transmission mechanism 110 and tray for combustion 100
Fire dish 300 is connected, and simplifies the conduct channel of combustion gas, while not influencing the working efficiency of burner.
It include but not limited to the embodiment for the copper alloy that following copper alloy technical solution is tray for combustion of the present invention application：
Embodiment 1
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, and auxiliary phase element includes zinc, and impurity element includes phosphorus, sulphur, oxygen, hydrogen, nitrogen, single miscellaneous
Prime element content is not higher than 0.003wt%；Zinc is 3wt% in copper alloy content；Gallium, nickel, cobalt are closed in copper respectively in main phase element
Gold content is 0.5wt%, 0.6wt%, 1.2wt%；Additive carbon fiber is 0.13wt% in copper alloy content；Surplus is copper.
Embodiment 2
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, and auxiliary phase element includes chromium, impurity element include but not limited to phosphorus, sulphur, oxygen, hydrogen,
Nitrogen, single contaminant element are not higher than 0.0025wt% in copper alloy content；Auxiliary phase elemental chromium is 4wt% in copper alloy content；It is main
Gallium, nickel, cobalt are respectively 1.25wt%, 0.7wt%, 1.25wt% in copper alloy content in phase element；Additive ceramic fibre exists
Copper alloy content is 0.3wt%；Surplus is copper.
Embodiment 3
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, and auxiliary phase element includes tin, impurity element include but not limited to phosphorus, sulphur, oxygen, hydrogen,
Nitrogen, single contaminant element are not higher than 0.0036wt% in copper alloy content；Auxiliary phase element tin is 5wt% in copper alloy content；It is main
Gallium, nickel, cobalt are respectively 1.05wt%, 0.96wt%, 0.9wt% in copper alloy content in phase element；Additive titanium nitride is in copper
Alloy content is 0.2wt%；Surplus is copper.
Embodiment 4
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, auxiliary phase element include zinc, chromium, titanium copper alloy content be respectively 1.2wt%,
0.8wt%, 1.5wt%, impurity element include but not limited to phosphorus, sulphur, oxygen, hydrogen, nitrogen, single contaminant element copper alloy content not
Higher than 0.0041wt%；Gallium, nickel, cobalt are respectively 1.35wt%, 0.9wt%, 0.7wt% in copper alloy content in main phase element；
Additive calcium carbonate is 0.1wt% in copper alloy content；Surplus is copper.
Embodiment 5
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, and auxiliary phase element includes that zinc, chromium, tin, titanium, silver are respectively in copper alloy content
0.6wt%, 0.4wt%, 0.25wt%, 1.3wt%, 0.5wt%, impurity element include but not limited to phosphorus, sulphur, oxygen, hydrogen, nitrogen,
Single contaminant element is not higher than 0.0046wt% in copper alloy content；Gallium, nickel, cobalt are in copper alloy content respectively in main phase element
0.65wt%, 0.54wt%, 1.46wt%；Additive carbon fiber, ceramic fibre copper alloy content be respectively 0.1wt%,
0.13wt%；Surplus is copper.
Embodiment 6
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, and auxiliary phase element includes that zinc, chromium, tin, titanium, silver, magnesium are respectively in copper alloy content
0.56wt%, 0.74wt%, 0.125wt%, 1.1wt%, 0.65wt%, 0.15wt%, impurity element include but not limited to phosphorus,
Sulphur, oxygen, hydrogen, nitrogen, single contaminant element are not higher than 0.0032wt% in copper alloy content；Gallium, nickel, cobalt exist respectively in main phase element
Copper alloy content is 1.4wt%, 0.7wt%, 1.33wt%；Additive carbon fiber, calcium carbonate are respectively in copper alloy content
0.01wt%, 0.16wt%wt%；Surplus is copper.
Embodiment 7
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, and auxiliary phase element includes zinc, chromium, tin, titanium, silver, magnesium, aluminium in copper alloy content difference
For 0.12wt%, 0.46wt%, 0.54wt%, 0.105wt%, 1.2wt%, 0.60wt%, 0.11wt%, impurity element includes
And it is not limited to phosphorus, sulphur, oxygen, hydrogen, nitrogen, single contaminant element is not higher than 0.0029wt% in copper alloy content；In main phase element
Gallium, nickel, cobalt are respectively 1.1wt%, 0.88wt%, 1.1wt% in copper alloy content；Additive carbon fiber, titanium nitride are closed in copper
Gold content is respectively 0.15wt%, 0.13wt%；Surplus is copper.
Embodiment 8
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, and auxiliary phase element includes zinc, chromium, tin, titanium, silver, magnesium, aluminium, iron in copper alloy content point
Not Wei 0.22wt%, 0.37wt%, 0.34wt%, 0.115wt%, 0.8wt%, 0.50wt%, 0.09wt%, 0.25wt%,
Impurity element includes but not limited to phosphorus, sulphur, oxygen, hydrogen, nitrogen, single contaminant element is not higher than 0.002wt% in copper alloy content；
Auxiliary phase element total amount；Gallium, nickel, cobalt are respectively 1.25wt%, 1.1wt%, 0.9wt% in copper alloy content in main phase element；Add
Agent ceramic fibre, titanium nitride is added in copper alloy content to be respectively 0.1wt%, 0.18wt%；Surplus is copper.
Embodiment 9
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, and auxiliary phase element includes that zinc, chromium, tin, titanium, silver, magnesium, aluminium, iron, boron contain in copper alloy
Amount be respectively 0.28wt%, 0.47wt%, 0.22wt%, 0.25wt%, 0.56wt%, 0.61wt%, 0.39wt%,
0.05wt%, 1.5wt%, impurity element include but not limited to phosphorus, sulphur, oxygen, hydrogen, nitrogen, and single contaminant element is in copper alloy content
Not higher than 0.0058wt%；In main phase element gallium, nickel, cobalt respectively copper alloy content be 0.7wt%, 1.25wt%,
0.6wt%；Additive ceramic fibre, calcium carbonate are respectively 0.05wt%, 0.05wt% in copper alloy content；Surplus is copper.
Embodiment 10
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, and auxiliary phase element includes zinc, chromium, tin, titanium, silver, magnesium, aluminium, iron, boron, manganese in copper alloy
Content be respectively 0.24wt%, 0.36wt%, 0.29wt%, 0.37wt%, 0.60wt%, 0.41wt%, 0.33wt%,
0.23wt%, 0.35wt%, 0.35wt%, impurity element include but not limited to phosphorus, sulphur, oxygen, hydrogen, nitrogen, single contaminant element exists
Copper alloy content is not higher than 0.0055wt%；Auxiliary phase element total amount；Gallium, nickel, cobalt are in copper alloy content respectively in main phase element
0.9wt%, 1.13wt%, 0.55wt%；Additive titanium nitride, calcium carbonate copper alloy content be respectively 0.01wt%,
0.23wt%；Surplus is copper.
Embodiment 11
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, and auxiliary phase element includes zinc, chromium, tin, titanium, silver, magnesium, aluminium, iron, boron, manganese, vanadium in copper
Alloy content be respectively 0.37wt%, 0.16wt%, 0.19wt%, 0.67wt%, 0.50wt%, 0.21wt%, 0.40wt%,
0.13wt%, 0.27wt%, 0.34wt%, 0.27wt%, impurity element include but not limited to phosphorus, sulphur, oxygen, hydrogen, nitrogen, it is single
Impurity element is not higher than 0.0052wt% in copper alloy content；Auxiliary phase element total amount；Gallium, nickel, cobalt are respectively in copper in main phase element
Alloy content is 0.8wt%, 0.6wt%, 1.21wt%；Additive carbon fiber, ceramic fibre, titanium nitride are in copper alloy content point
It Wei not 0.1wt%, 0.03wt%, 0.13wt%；Surplus is copper.
Embodiment 12
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, and auxiliary phase element includes that zinc, chromium, tin, titanium, silver, magnesium, aluminium, iron, boron, manganese, vanadium, calcium exist
Copper alloy content be respectively 0.29wt%, 0.37wt%, 0.21wt%, 0.16wt%, 0.65wt%, 0.43wt%,
0.30wt%, 0.34wt%, 0.13wt%, 0.27wt%, 0.19wt%, 0.27wt%, impurity element include but not limited to phosphorus,
Sulphur, oxygen, hydrogen, nitrogen, single contaminant element is not higher than 0.0048wt% in copper alloy content；Gallium, nickel, cobalt difference in main phase element
It is 1.3wt%, 0.5wt%, 1.3wt% in copper alloy content；Additive carbon fiber, ceramic fibre, calcium carbonate contain in copper alloy
Amount is respectively 0.04wt%, 0.08wt%, 0.12wt%；Surplus is copper.
Embodiment 13
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, auxiliary phase element include zinc, chromium, tin, titanium, silver, magnesium, aluminium, iron, boron, manganese, vanadium, calcium,
Gold copper alloy content be respectively 0.29wt%, 0.65wt%, 0.37wt%, 0.21wt%, 0.48wt%, 0.16wt%,
0.30wt%, 0.27wt%, 0.34wt%, 0.13wt%, 0.14wt%, 0.27wt%, 0.33wt%, impurity element include and
It is not limited to phosphorus, sulphur, oxygen, hydrogen, nitrogen, single contaminant element is not higher than 0.0044wt% in copper alloy content；Auxiliary phase element total amount；It is main
Gallium, nickel, cobalt are respectively 1.0wt%, 1.3wt%, 1.4wt% in copper alloy content in phase element；Additive carbon fiber, nitridation
Titanium, calcium carbonate are respectively 0.15wt%, 0.07wt%, 0.04wt% in copper alloy content；Surplus is copper.
Embodiment 14
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, auxiliary phase element include zinc, chromium, tin, titanium, silver, magnesium, aluminium, iron, boron, manganese, vanadium, calcium,
Gold, platinum copper alloy content be respectively 0.4wt%, 0.29wt%, 0.37wt%, 0.64wt%, 0.27wt%, 0.21wt%,
0.48wt%, 0.18wt%, 0.30wt%, 0.34wt%, 0.17wt%, 0.33wt%, 0.14wt%, 0.22wt%, impurity
Element includes but not limited to phosphorus, sulphur, oxygen, hydrogen, nitrogen, and single contaminant element is not higher than 0.0042wt% in copper alloy content；Main phase
Gallium, nickel, cobalt are respectively 0.9wt%, 0.5wt%, 0.8wt% in copper alloy content in element；Additive ceramic fibre, nitridation
Titanium, calcium carbonate are respectively 0.01wt%, 0.23wt%, 0.03wt% in copper alloy content；Surplus is copper.
Embodiment 15
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, auxiliary phase element include zinc, chromium, tin, titanium, silver, magnesium, aluminium, iron, boron, manganese, vanadium, calcium,
Gold, platinum, zirconium copper alloy content be respectively 0.29wt%, 0.36wt%, 0.32wt%, 0.4wt%, 0.64wt%,
0.48wt%, 0.25wt%, 0.21wt%, 0.18wt%, 0.30wt%, 0.17wt%, 0.33wt%, 0.14wt%,
0.22wt%, 0.103wt%, impurity element include but not limited to phosphorus, sulphur, oxygen, hydrogen, nitrogen, and single contaminant element contains in copper alloy
Amount is not higher than 0.006wt%；Auxiliary phase element total amount；In main phase element gallium, nickel, cobalt respectively copper alloy content be 0.5wt%,
0.6wt%, 0.5wt%；Additive carbon fiber, ceramic fibre, titanium nitride, calcium carbonate are respectively in copper alloy content
0.11wt%, 0.03wt%, 0.05wt%, 0.11wt%；Surplus is copper.
Embodiment 16
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, auxiliary phase element include zinc, chromium, tin, titanium, silver, magnesium, aluminium, iron, boron, manganese, vanadium, calcium,
Gold, platinum, zirconium, carbon copper alloy content be respectively 0.17wt%, 0.29wt%, 0.36wt%, 0.48wt%, 0.32wt%,
0.4wt%, 0.64wt%, 0.25wt%, 0.21wt%, 0.18wt%, 0.30wt%, 0.33wt%, 0.14wt%,
0.22wt%, 0.103wt%, 0.02wt%, impurity element include but not limited to phosphorus, sulphur, oxygen, hydrogen, nitrogen, and single contaminant element exists
Copper alloy content is not higher than 0.005wt%；In main phase element gallium, nickel, cobalt respectively copper alloy content be 0.7wt%,
0.8wt%, 1.4wt%；Additive carbon fiber, calcium carbonate are respectively 0.08wt%, 0.03wt% in copper alloy content；Surplus is
Copper.
Embodiment 17
The copper alloy of the present embodiment, including main phase element, auxiliary phase element, additive and inevitable impurity element,
Wherein main phase element includes copper, gallium, nickel, cobalt, and auxiliary phase element includes boron, impurity element include but not limited to phosphorus, sulphur, oxygen, hydrogen,
Nitrogen, single contaminant element are not higher than 0.004wt% in copper alloy content；Boron is 3.9wt% in copper alloy content；In main phase element
Gallium, nickel, cobalt are respectively 1.5wt%, 0.9wt%, 0.5wt% in copper alloy content；Additive carbon fiber, ceramic fibre, nitridation
Titanium, calcium carbonate are respectively 0.08wt%, 0.03wt%, 0.05wt%, 0.10wt% in copper alloy content；Surplus is copper.
1 embodiment 1-17 sample machinery electric conductivity of table
1 test value of table is that respective samples randomly select 100, and retest plot mean, size of sample is 3mm*
The plate of 1*10.
In upper table as can be seen that compared with relevant art, other than the promotion on conductive and high-temperature mechanical property, material
The high-temperature stability of material performance is also greatly improved.
In view of the numerous embodiments of the scheme of the present invention, each embodiment experimental data is huge numerous, is not suitable for arranging one by one herein
Explanation is lifted, but the content verified required for each embodiment and obtained final conclusion are close, so herein not to each reality
The verifying content for applying example is explained one by one, and only illustrates the excellent place of the present patent application using above embodiments 1-17 as representative.
It include but not limited to the content including following embodiment, to include but not limited to cited by above-described embodiment 1-17
The advanced optimizing of technical solution (by measurement, after optimization at 200 degrees Celsius of test temperature high-temperature mechanical property compared to upper table
The 1 corresponding shown promotion for obtaining 10-40% or so, and electric conductivity performance steadily promotes 10% or so relatively), rather than to this
The restriction of invention protection scope.
It is distinguished with above-described embodiment, additive is doped in alloy surface in copper alloy, i.e., in alloy structure
At non-uniform Distribution form, it is mainly collected in the surface part of alloy.
It is distinguished with above-described embodiment, additive doping depth in copper alloy is that (additive is in copper alloy by 0.5mm
Middle doping depth can also for 0.17mm, 0.29mm, 0.36mm, 0.48mm, 0.32mm, 0.4mm, 0.24mm, 0.25mm,
0.21mm、0.18mm、0.30mm、0.33mm、0.14mm、0.22mm、0.103mm、0.02mm、0.05mm、0.07mm、
0.08mm, 0.1mm, 0.2mm, 0.15mm, 0.25mm, 0.35mm, 0.45mm and other values no more than 0.5mm).When gathering
It is that alloy surface forms one and mainly forms shell using alloy as bonding agent by additive at a very small thickness,
There is good wearability and high temperature resistance at this time.At this point, additive can alloy table in copper alloy in doping depth
It is uniformly distributed in layer；Can also from outward appearance to inner essence it be successively decreased with content, i.e., with the increase of doping depth, additive in same depth
Content is reduced.
It is distinguished with above-described embodiment, when being carbon fiber, ceramic fibre, titanium nitride, calcium carbonate in additive, table
Face is pre-formed with middle layer, middle layer include one layer of aluminum middle layer (middle layer can also include two layers of aluminum middle layer or
The aluminum middle layer of three layers of aluminum middle layer or four layers of aluminum middle layer or five layers of aluminum middle layer or five layers or more).
It is distinguished with above-described embodiment, every layer of aluminum middle layer is (in middle layer every with a thickness of 0.1 micron in middle layer
Layer aluminum middle layer thickness can also for 0.17 micron, 0.29 micron, 0.36 micron, 0.18 micron, 0.32 micron, 0.4 micron,
0.24 micron, 0.25 micron, 0.21 micron, 0.13 micron, 0.30 micron, 0.33 micron, 0.14 micron, 0.22 micron, 0.103
Micron, 0.02 micron, 0.19 micron, 0.37 micron, 0.28 micron, 0.1 micron, 0.2 micron, 0.15 micron, 0.25 micron,
Other arbitrary values in 0.35 micron, 0.125 micron and 0.1-0.4 micron range).
Distinguished with above-described embodiment, can also have copper transition zone between adjacent two aluminum middle layer in middle layer ---
Aluminum middle layer/aluminum middle layer or aluminum middle layer/copper transition zone structure are formed in the intermediate layer.Copper transition zone with a thickness of
0.1 micron (thickness of copper transition zone can also for 0.17 micron, 0.129 micron, 0.136 micron, 0.18 micron, it is 0.132 micro-
Rice, 0.14 micron, 0.124 micron, 0.125 micron, 0.121 micron, 0.13 micron, 0.1230 micron, 0.133 micron, 0.14
Micron, 0.122 micron, 0.103 micron, 0.02 micron, 0.19 micron, 0.167 micron, 0.188 micron, 0.141 micron, 0.2
Other arbitrary values in micron, 0.15 micron, 0.195 micron, 0.175 micron, 0.135 micron and 0.1-0.2 micron range).
It is distinguished with above-described embodiment, the overall thickness of middle layer is 2 microns (overall thickness of middle layer can also be
2.17 microns, 2.29 microns, 2.36 microns, 2.18 microns, 2.32 microns, 2.4 microns, 2.24 microns, 2.25 microns, it is 2.21 micro-
Rice, 2.13 microns, 2.30 microns, 2.33 microns, 2.14 microns, 2.22 microns, 2.103 microns, 2.02 microns, 2.19 microns,
2.37 microns, 2.28 microns, 2.1 microns, 2.2 microns, 2.5 microns, 2.25 microns, 2.35 microns, 2.6 microns, 2.7 microns,
2.8 microns, 2.9 microns, 3 microns, 2.125 microns, 2.15 microns, 2.45 microns, 2.55 microns, 2.65 microns, 2.75 microns,
Other arbitrary values in 2.85 microns, 2.95 microns and 2-3 micron range).
It include but not limited in above-described embodiment technical solution, tray for combustion is constant after continuous burning 8 hours or more
Color, heat build-up improved efficiency 3-5%, saving of fuel 8-10%.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (9)
1. a kind of two-way combination type burner, which is characterized in that including：
Tray for combustion is in rotational-like setting, and is centrosymmetric setting there are two aerophore along the axis direction of the tray for combustion
Structure, wherein one end of two gas transmission mechanisms is connected, and the opening direction of two gas transmission mechanisms is on the contrary, described in two
The other end of gas transmission mechanism and the tray for combustion are integrally formed, and the material of the main body of the tray for combustion is copper alloy；
Burning rack is each provided with an admission gear, and each positioned at the both ends of the side of the tray for combustion, and the burning rack
The admission gear is connected with a gas transmission mechanism respectively；
Fire dish, including：Outer ring fiery disk and inner ring fiery disk are flush-mounted in the other side of the tray for combustion, and the outer ring fire respectively
Disk is arranged concentrically with the inner ring fiery disk；
The copper alloy includes main phase element, auxiliary phase element, additive and inevitable impurity element, wherein main phase element
Including copper, gallium, nickel, cobalt, auxiliary phase element include zinc, chromium, tin, titanium, silver, magnesium, aluminium, iron, boron, manganese, vanadium, calcium, gold, platinum, zirconium, in carbon
At least one, impurity element include one of phosphorus, sulphur, oxygen, hydrogen, nitrogen or a variety of, the impurity element total amount is in the copper
Alloy content is lower than 0.03wt%；The auxiliary phase element total amount is 3-5wt% in the copper alloy content；In the main phase element
Gallium, nickel, cobalt one-component are 0.5-1.5wt% in the copper alloy content；The additive total amount is in the copper alloy content
For 0.1-0.3wt%；Surplus is copper.
2. a kind of two-way combination type burner according to claim 1, which is characterized in that one of them described aerophore
Structure is arranged in crescent shape, including：
First outer ring gas distribution channel is connected with the inner annular recess of the tray for combustion other side；
Another described gas transmission mechanism is arranged in crescent shape, including：
Second outer ring gas distribution channel is set to the opposite side of the first outer ring gas distribution channel, and is connected with the inner annular recess
It is logical；
Inner ring gas distribution channel is separated by with the second outer ring gas distribution channel by block, and with setting in two aerophores
The outer annular recess at the back side of the connected one end of structure is connected.
3. a kind of two-way combination type burner according to claim 1, which is characterized in that two gas transmission mechanisms are connected
The two sides of one end are symmetrically each provided with a card slot.
4. a kind of two-way combination type burner according to claim 3, which is characterized in that the burning rack further includes：
Chassis is arranged in stud；
Two hollow cylinders are symmetrically arranged in the longer both sides of the chassis, and one end of the hollow cylinder and the bottom
Frame is connected, and the other end of the hollow cylinder is mutually clamped with the card slot；
L bracket, be located at the chassis it is shorter on one side on, and with the chassis be integrally formed；
Cross frame is integrally formed across the shorter both sides of the chassis, and with the chassis.
5. a kind of two-way combination type burner according to claim 4, which is characterized in that be connected in the L bracket
The admission gear include：
Outer ring inlet end is connected with the L bracket；
First outer ring appendix, one end are connected to the L bracket, and the other end is defeated by threaded fastener and first outer ring
Gas channel is connected, wherein the outer ring inlet end is connected with the first outer ring appendix.
6. a kind of two-way combination type burner according to claim 4, which is characterized in that be connected on the cross frame
The admission gear include：
Inner ring inlet end, by being mutually clamped with the integrally formed convex block of cross frame；
Inner ring appendix, one end are connected with the inner ring inlet end, and the other end is logical by threaded fastener and the inner ring gas transmission
Road is connected；
Second outer ring appendix, one end are connected with the inner ring inlet end, and the other end passes through threaded fastener and described second
Outer ring gas distribution channel is connected.
7. a kind of two-way combination type burner according to claim 1, which is characterized in that the outer ring fiery disk is in revolving body
Shape setting, and the axis direction circular array of the outer ring fiery disk is provided with several outer ring glory holes, and the outer ring
The outer ring fiery disk of glory hole side is recessed inwardly；The inner ring fiery disk is in rotational-like setting, and along the inner ring
The axis direction circular array of fiery disk is provided with several petal-shaped circular arcs, and is arranged one on each described petal-shaped circular arc
Inner ring glory hole, and the inner ring fiery disk of the inner ring glory hole side is recessed inwardly.
8. a kind of two-way combination type burner according to claim 1, which is characterized in that along the axis side of the tray for combustion
Circular array is provided with several arc grooves.
9. a kind of two-way combination type burner according to claim 1, which is characterized in that the additive is in copper alloy
It is doped in alloy surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610663740.2A CN106152130B (en) | 2016-08-12 | 2016-08-12 | A kind of two-way combination type burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610663740.2A CN106152130B (en) | 2016-08-12 | 2016-08-12 | A kind of two-way combination type burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106152130A CN106152130A (en) | 2016-11-23 |
| CN106152130B true CN106152130B (en) | 2018-11-16 |
Family
ID=57330163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610663740.2A Active CN106152130B (en) | 2016-08-12 | 2016-08-12 | A kind of two-way combination type burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106152130B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936548B (en) * | 2010-09-03 | 2013-05-22 | 华中科技大学 | Upper air inlet gas cookware |
| ITVE20130027A1 (en) * | 2013-05-29 | 2014-11-30 | Defendi Italy Srl | PERFECTED GAS BURNER. |
| CN103423745B (en) * | 2013-08-08 | 2015-11-18 | 浙江火星人厨具有限公司 | gas burner |
| CN205245173U (en) * | 2015-12-08 | 2016-05-18 | 宁波风腾燃具有限公司 | Top air intake burner |
-
2016
- 2016-08-12 CN CN201610663740.2A patent/CN106152130B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106152130A (en) | 2016-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101899593B (en) | Nickel-chromium high-resistance electrothermal alloy | |
| Chenu et al. | Tuneable nanostructuring of highly transparent zinc gallogermanate glasses and glass‐ceramics | |
| CN106636760B (en) | A kind of nickel base superalloy and its manufacturing method | |
| Han et al. | Significantly enhanced infrared emissivity of LaAlO3 by Co‐Doping with Ca2+ and Cr3+ for energy‐saving applications | |
| CN106152130B (en) | A kind of two-way combination type burner | |
| Gröbner et al. | Thermodynamic calculations in the Y Al C system | |
| CN106322377B (en) | A kind of Bidirectional detachable gas apparatus | |
| CN103030278B (en) | Glass sealing material, as well as preparation and using methods thereof | |
| CN106287694B (en) | A kind of tricyclic gas apparatus of gas-cooker | |
| CN110937892A (en) | High-temperature absorbent, ultrathin high-temperature wave-absorbing material and preparation method thereof | |
| CN114644925B (en) | Near ultraviolet excited red fluorescent powder for LED and preparation method thereof | |
| Li et al. | Influence of annealing atmosphere on optical properties of Al‐doped ZnO powders | |
| WO2021128656A1 (en) | Ultraviolet band high-transmittance and anti-radiation optical glass and preparation method therefor | |
| CN106439806A (en) | Combined-type burner | |
| CN106348610A (en) | Co2+:KZnF3 glass ceramics and preparing method and application thereof | |
| CN107698164B (en) | Sealing glass, preparation method and application thereof | |
| Wang et al. | Two‐Phase LaLuZr 2 O 7 Transparent Ceramic with High Transparency | |
| CN103820621B (en) | A kind of thermal treatment process of iron-based precipitation strength type superalloy | |
| CN101597138B (en) | Microcrystal glass with precipitation of LiAl5O8 nanocrystal and preparation method thereof | |
| Roy et al. | Molten salt synthesis of Bi4 (V0. 85Co0. 15) 2O11− δ (BICOVOX) ceramic powders | |
| CN102936095A (en) | Preparation of silver ion doped transparent glass with high ionic conductivity | |
| CN104445929A (en) | Heavy metal oxide block glass material for up-conversion of white light and method for enhancing illumination intensity of heavy metal oxide block glass material | |
| CN102849942B (en) | Environment-friendlylanthanum lanthanum flint | |
| Kai-Tian et al. | Geometric, stable and electronic properties of Aun–2Y2 (n= 3–8) clusters | |
| CN109734312A (en) | A kind of high zirconium light function special glass of rare earth metal doping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200929 Address after: 226000, Jiangsu, Nantong province Tongzhou District Liu Zhen Industrial Concentration Zone West Patentee after: Jingjin precision machinery Nantong Co., Ltd Address before: 315100, Zhejiang, Ningbo province Yinzhou District Jiangshan Town, Zhang Village Industrial Zone Patentee before: NINGBO YINZHOU JIANGSHAN SHENGWANG HARDWARE FACTORY |