CN108106446A - A kind of air control valve - Google Patents
A kind of air control valve Download PDFInfo
- Publication number
- CN108106446A CN108106446A CN201810082678.7A CN201810082678A CN108106446A CN 108106446 A CN108106446 A CN 108106446A CN 201810082678 A CN201810082678 A CN 201810082678A CN 108106446 A CN108106446 A CN 108106446A
- Authority
- CN
- China
- Prior art keywords
- air
- flexible sheet
- pressure
- control valve
- cavity
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
- F27D2019/004—Fuel quantity
- F27D2019/0043—Amount of air or O2 to the burner
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The present invention provides a kind of air control valve, and including shell, upper cavity and lower chamber are provided in the shell, connection structure is equipped in the upper cavity, the connection structure is used to control the in vivo air flux of the epicoele；Flexible sheet structure is equipped in the lower chamber, the flexible sheet structure is connected with the connection structure by drive link；The external outer combustion gas pipeline of lower chamber, the outer combustion gas pipeline can input combustion gas to the lower chamber；The drive link is taken in flexible sheet structure deformation under the pressure effect of the combustion gas to, so as to adjust the opening and closing degree of the connection structure.A kind of air control valve of the present invention, control response speed is fast, and control effect is good.
Description
Technical field
The present invention relates to Industrial Stoves fields, refer in particular to a kind of air control valve.
Background technology
Gas ratio valve be it is a kind of be applied on kiln, under source of the gas opening state, according to the different need of thermic load
It asks, adjusts gas source and flow amount, be kept relatively constant with the fuel gas inlet pressure for ensuring kiln, carry out burning stable reaction in kiln
Regulating member.Common gas ratio valve is to adjust gaseous-pressure according to air pressure, by by the valve of gas ratio valve
Body is arranged on gas pipeline, you can gas flow is controlled, realizes that combustion gas and air pressure ratio are 1:1, but this set
Putting mode, there are following defects：(1) control accuracy is low, causes the fluctuation that the gaseous-pressure of output generates larger, makes kiln internal combustion
It is unstable to burn reaction；(2) control response is slow, causes the fuel gas buring in kiln insufficient, and pollutant is to increase；(3) security
Poor, combustion gas leaks to the external world from the gap of gas ratio valve, easily triggers production accident.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of control response speed is fast, control effect is good
Air control valve.
In order to achieve the above object, the present invention uses following technical scheme：A kind of air control valve, it is described including shell
Upper cavity and lower chamber are provided in shell, connection structure is equipped in the upper cavity, the connection structure is described for controlling
The in vivo air flux of epicoele；Flexible sheet structure is equipped in the lower chamber, the flexible sheet structure is tied with the connection
Structure is connected by drive link；The external outer combustion gas pipeline of lower chamber, the outer combustion gas pipeline can be defeated to the lower chamber
Enter combustion gas；The drive link is taken in flexible sheet structure deformation under the pressure effect of the combustion gas to, described so as to adjust
The opening and closing degree of connection structure.
Compared with prior art, a kind of air control valve of the invention, has the advantages that：
(1) present invention controls the combustion reaction in kiln by adjusting air flux, is set compared to by gas ratio valve
It puts on gas pipeline, the prior art of the combustion reaction in kiln is controlled by adjustment of combustion gas flow, safety coefficient is more
Height also reduces the risk of gas leakage, avoids environmental pollution；
(2) present invention makes flexible sheet structure directly be changed according to gaseous-pressure by the way that outer combustion gas is passed through lower chamber
The connection structure is controlled to move, the connection structure energy rapid pin is made to respond gaseous-pressure variation, in upper cavity
Air flux be adjusted, realize the pressure stabilization function of air control valve, it is ensured that the fuel gas buring in kiln is abundant, improve fuel
Utilization rate, while this setup can obtain air pressure required when kiln burner burns under different conditions in real time, make
The ratio of combustion gas and air keeps dynamic equilibrium；Further, since the air control valve can ensure that the pressure into the air of kiln
It is relative constant with the holding of the pressure of combustion gas, the success rate that kiln burner is lighted a fire can be made to improve when burning with kiln burner more
Add stabilization；
(3) air control valve of the invention is compact-sized, and assembling is simple, of low cost, convenient for promoting the use of.
Preferably, the upper cavity further includes air intake and air outlet slit, and the connection structure connects the air and enters
Mouth and the air outlet slit.
Preferably, the connection structure includes barrier, airflow hole, piston；The barrier is arranged on the upper cavity
Inside, and the upper cavity is separated into the first air cavity and the second air cavity, first air cavity is connected with the air intake, institute
The second air cavity is stated to connect with the air outlet slit；The airflow hole is arranged on the barrier, first air cavity with it is described
Second air cavity is connected by the airflow hole；The piston is arranged on the airflow hole, and the piston joins with the drive link
It is dynamic to move up and down, so as to adjust the air flux for flowing through the airflow hole.This setup is simple in structure, of low cost,
On the one hand ensure that the connection structure is precisely controlled air flux, be on the other hand avoided that the flexible sheet structure deforms upon
When generated active force be lost in transmittance process, so as to further improve connection structure control air flux
Precision.
Preferably, the lower chamber is separated into air pressure lumen and gaseous-pressure chamber by the flexible sheet structure；It is described
Gaseous-pressure chamber is equipped with fuel gas inlet and combustion gas pressure tap, and the fuel gas inlet is connected with the external fuel gas pipeline, the biography
Lever is set with the flexible sheet structure vertical, and the air pressure lumen is connected with the upper cavity.This setup has
There is following advantageous effect：The pressure that air generates can be made to act on flexible sheet structure upper end, so as to carry out two to connection structure
Secondary adjusting；Especially when gaseous-pressure fluctuation is larger, the increase of connection structure opening and closing degree can increase air flux, cause a large amount of
Air enters in kiln, makes the combustion reaction in kiln excessively violent, by introducing air into air pressure intracavitary, leads in air
When amount increases, air also increases the pressure of flexible sheet structure upper end therewith, the downward deformation of flexible sheet structure, so as to
Connection structure opening and closing degree is reduced, the output of air is reduced, and then controls the extent of reaction of the combustion reaction in kiln；In addition,
This setup can reduce air flux, and burned product is avoided excessively to be contacted in sintering procedure with air, influence to fire effect
Fruit.
Preferably, the first resetting structure and the second resetting structure are further included；First resetting structure is arranged on the work
It holds beyond the Great Wall, first resetting structure is used to reset the piston downwards；Second resetting structure is arranged on described
Gaseous-pressure intracavitary, second resetting structure are used to reset the piston upwards.
Preferably, first resetting structure includes the first elastic component, guide post and guide channel, and the guide channel is arranged on institute
The top of upper cavity is stated, described guide post one end is supported in the upper piston area, and the other end is slidably disposed in the guide channel
Interior, first elastic component is set on the guide post, for being resetted downwards to the piston.
Preferably, adjustment structure is further included, the adjustment structure includes adjusting knob and adjustment seat；The adjustment seat is set
At the top of the upper cavity, the adjustment hole that is provided through in the adjustment seat at the top of the upper cavity, the adjusting knob with
The adjustment hole is threadedly coupled；The guide channel is arranged on the adjusting knob；When the adjusting knob moves down, it can press
Contract first elastic component.
By setting adjustment structure, the fine tuning to the opening and closing degree of connection structure is further accurately controlled combustion gas and sky
The ratio of gas is, it can be achieved that a variety of ratios of combustion gas and air mix, it is ensured that ensures that the fuel gas buring in kiln is abundant, reduces pollution
The discharge of object；By setting the guide post, it is ensured that the adjusting knob is movable in a vertical direction.
Above-mentioned set-up mode has the following advantages：
(1) first resetting structure and the second resetting structure can play cushioning effect to the connection structure, the company of avoiding
The adjusting of binding structure is too fast, causes input unstable to the air-flow in kiln burner；
(2) by adjustment structure, air flux is reduced, the ratio of combustion gas and air is made to be more than 1, by the fire of kiln burner
Flame is adjusted to reducing flame, and the specific region in kiln is made to become reducing atmosphere, and burned product is under reducing atmosphere and is avoided that firing
Product occur heterochromatic；
(3) kiln burner is a kind of igniter applied on Industrial Stoves, and arbitrary kiln burner is respectively provided with most
Big firing power, the method that kiln burner is adjusted to maximum firing power are：It is corresponding that air is adjusted to maximum firing power
It is remained unchanged after flux, the flux that then can just light a fire from combustion gas constantly up increases, until what kiln burner generated
Flame reaches maximum；But in the actual production process, since air has loss during being passed through, in order to which kiln is kept to burn
Device is stably held in maximum firing power, it is necessary to which it is excessive to make air, and which results in the wastes of resource；By this air control valve
After applying on kiln burner, two elastic components are coordinated to air pressure lumen and gaseous-pressure intracavitary by the adjustment structure
Actuating pressure compensate, can reduce the loss of air, and then reduce energy loss.
Preferably, locking piece is further included, the locking piece is arranged on the adjustment seat upper surface, is used to lock the tune
Save knob.By setting the locking piece, on the one hand can to avoid producers during the use of air control valve mistake
Adjusting knob is operated, is caused the accident, after on the other hand may insure adjusting knob turn to the state needed, not because of inside
Pressure loosens.
Preferably, the flexible sheet structure includes the first flexible sheet, the second flexible sheet and pressure-bearing plate；Described first
Flexible sheet and the second flexible sheet, which are folded, to be located in the lower chamber；There are two the pressure-bearing plate is set, described is respectively provided at
On the downside of one flexible sheet, on the upside of the second flexible sheet；The drive link sequentially passes through first flexible sheet, the second elastic membrane
Piece is vertical to be arranged on the pressure-bearing plate；This setup can play guiding role to the drive link, it is ensured that described
Drive link is moved up and down along vertical direction.
Above-mentioned flexible sheet structure is had the advantages that using this setup：The flexible sheet structure includes
First flexible sheet and the second flexible sheet, the first flexible sheet and the second flexible sheet overlap, and promote flexible sheet structure
The center displacement makes the scope that flexible sheet structure adjusts pressure wider, degree of regulation higher；In addition, this setup can be with
Extend the service life of the flexible sheet structure and promote the sealing effect of the flexible sheet structure.
By setting pressure-bearing plate on the first flexible sheet, the second flexible sheet, the pressure from gas is on the one hand ensured
Stepless action on the whole, on the other hand improves the first flexible sheet, the second elastic membrane in the first flexible sheet, the second flexible sheet
Stability when piece moves up and down.
By setting the first flexible sheet and the second flexible sheet and the first resetting structure and the second resetting structure, shape
System is pressed into Double regulating, more accurately the opening and closing degree of connection structure is adjusted.
Preferably, the shell includes upper shell and lower housing, and the upper shell is detachably connected with the lower housing；Institute
It states upper cavity to be arranged in the upper shell, the lower chamber is arranged in the lower housing；The cross section of the lower housing is
Circle, the flexible sheet structure correspond to the lower housing as round sheet；By the flexible sheet structure setting into circular piece
Shape can ensure that gas pressure stepless action in the flexible sheet structure.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the first fundamental diagram of the present invention；
Fig. 3 is the second fundamental diagram of the present invention；
Fig. 4 is the partial enlarged view of the a-quadrant of Fig. 3；
Fig. 5 is the 3rd fundamental diagram of the present invention.
Label declaration：
1 shell, 11 upper shells, 110 through holes, 111 installing plates, 112 adjustment seats, 1120 adjustment holes, 113 sealing rings, 114 resistances
Retaining wall, 115 airflow holes, 121 first air cavitys, 122 second air cavitys, 13 lower housings, 14 air pressure lumens, 15 gaseous-pressure chambers, 16
Air intake, 17 air outlet slits, 18 fuel gas inlets, 21 pistons, 22 first elastic components, 23 drive links, 24 second elastic components, 250
Guide channel, 251 adjusting knobs, 252 guide posts, 253 locking pieces, 254 upper covers, 3 flexible sheet structures, 31 first flexible sheets, 311
Deformation groove, 32 second flexible sheets, pressure-bearing plate on 33,34 times pressure-bearing plates, 4 sealing elements, 5 sealing locking nuts.
Specific embodiment
Below in conjunction with description of the drawings embodiments of the present invention：
Referring to Fig. 1 to Fig. 5, including shell 1, upper cavity and cavity of resorption are provided in the shell 1 for a kind of air control valve
Body, the upper cavity is interior to be equipped with connection structure, and the connection structure is used to control the in vivo air flux of the epicoele；Under described
Flexible sheet structure 3 is equipped in cavity, the flexible sheet structure 3 is connected with the connection structure by drive link 23；It is described
The external outer combustion gas pipeline (not shown) of lower chamber, the outer combustion gas pipeline can input combustion gas to the lower chamber；Institute
It states the deformation under the pressure effect of the combustion gas of flexible sheet structure 3 and takes the drive link 23 to, so as to adjust the connection knot
The opening and closing degree of structure.
The shell 1 includes upper shell 11 and lower housing 13, and the upper shell 11 is detachably connected with the lower housing 13；
The upper cavity is arranged in the upper shell 11, and the lower chamber is arranged in the lower housing 13；The lower housing 13
Cross section is circle, and the flexible sheet structure 3 corresponds to the lower housing 13 as round sheet；By the flexible sheet structure 3
It is arranged to round sheet, can ensure that gas pressure stepless action in the flexible sheet structure 3.
Sealing element 4 is equipped between the upper shell 11 and lower housing 13, this setup can be to avoid gas from upper casing
Body 11 and the junction of lower housing 13 leak to the external world.
Preferably, the drive link 23 is connected on the position of the sealing element 4 and the drive link 23 connects elastic membrane
Sealing locking nut 5 is provided on the position of chip architecture 3.
Preferably, the sealing element 4 corresponds to the position that second air cavity 122 is connected with the air pressure lumen 14
On be provided with emptiness avoiding hole (not shown), so as to avoid gas fully second air cavity 122 and the air pressure lumen 14
It is revealed on the position of connection, it is ensured that the air-tightness of air control valve.
The connection structure includes barrier 114, airflow hole 115, piston 21；The barrier 114 is arranged on described
Inside cavity, and the upper cavity is separated into the first air cavity 121 and the second air cavity 122, first air cavity 121 and the sky
Gas entrance 16 connects, and second air cavity 122 is connected with the air outlet slit 17；The airflow hole 115 is arranged on the stop
On wall 114, first air cavity 121 is connected with second air cavity 122 by the airflow hole 115；The piston 21 is set
On the airflow hole 115, the piston 21 can be moved up and down with the drive link 23 linkage, and the air-flow is flowed through so as to adjust
The air flux in hole 115.This setup is simple in structure, of low cost, on the one hand ensures that the connection structure is precisely controlled
On the other hand air flux is avoided that generated active force is in transmittance process when the flexible sheet structure 3 deforms upon
It is lost, so as to further improve the precision of the connection structure control air flux.
Preferably, the inner wall of the airflow hole 115 slopes inwardly；The connection structure 21 is alternative to cover the air-flow
Hole 115, the inner wall of airflow hole 115 described in the shape of the connection structure 21 be adapted or, the connection structure 21 for taper or
Truncated cone-shaped.
The lower chamber is separated into air pressure lumen 14 and gaseous-pressure chamber 15 by the flexible sheet structure 3；The combustion
Atmospheric pressure chamber 15 is equipped with fuel gas inlet 18 and combustion gas pressure tap (not shown), the fuel gas inlet 18 and the external combustion gas
Pipeline connects, and the drive link 23 is vertically arranged with the flexible sheet structure 3, the air pressure lumen 14 and the upper cavity
Connection, specifically, second air cavity 121 is connected with the air pressure lumen 14.
This setup has the advantages that：The pressure that air generates can be made to act in flexible sheet structure 3
End, so as to carry out Secondary Control to connection structure；Especially when gaseous-pressure fluctuation is larger, the increase meeting of connection structure opening and closing degree
Increase air flux, large quantity of air is caused to enter in kiln, make the combustion reaction in kiln excessively violent, by the way that air is drawn
Enter in air pressure lumen 14, when air flux increases, air also increases the pressure of 3 upper end of flexible sheet structure therewith, institute
The 3 downward deformation of flexible sheet structure is stated, so as to reduce connection structure opening and closing degree, the output of air is reduced, and then controls kiln
The extent of reaction of interior combustion reaction；In addition, this setup can reduce air flux, burned product is avoided in sintering procedure
In excessively contacted with air, influence fire effect.
Specifically, the fuel gas inlet 18 is arranged on 13 side of lower housing, and the combustion gas pressure tap is arranged on described
13 lower part of lower housing, this setup may insure that the combustion gas in gaseous-pressure chamber 15 is uniformly distributed, so as to from the combustion
Gas pressure tap accurately measures the pressure of combustion gas.
Further include the first resetting structure and the second resetting structure；First resetting structure is arranged on the piston 21
End, first resetting structure are used to reset the piston 21 downwards；Second resetting structure is arranged on the combustion
In atmospheric pressure chamber 15, second resetting structure is used to reset the piston 21 upwards.
Specifically, second resetting structure is the second elastic component 24, and 24 upper end of the second elastic component compresses the biography
Lever 23 runs through the lower part of the flexible sheet structure 3, and lower end compresses 15 lower part of gaseous-pressure chamber.
First resetting structure includes the first elastic component 22, guide post 252 and guide channel 250, and the guide channel 250 is set
At the top of the upper cavity, described 252 one end of guide post is supported on 21 top of piston, and the other end is slidably disposed in institute
It states in guide channel 250, first elastic component 22 is set on the guide post 252, multiple downwards for being carried out to the piston 21
Position.
Adjustment structure is further included, the adjustment structure includes adjusting knob 251 and adjustment seat 112；The adjustment seat 112 is set
It puts at the top of the upper cavity, the adjustment hole 1120 being provided through in the adjustment seat 112 at the top of the upper cavity, the tune
Section knob 251 is threadedly coupled with the adjustment hole 1120；The guide channel 250 is arranged on the adjusting knob 251；The tune
When section knob 251 moves down, compressible first elastic component 22.
By setting adjustment structure, the fine tuning to the opening and closing degree of connection structure is further accurately controlled combustion gas and sky
The ratio of gas is, it can be achieved that a variety of ratios of combustion gas and air mix, it is ensured that ensures that the fuel gas buring in kiln is abundant, reduces pollution
The discharge of object；By setting the guide post 252, it is ensured that the adjusting knob 251 is movable in a vertical direction.
Above-mentioned set-up mode has the following advantages：
(1) first resetting structure and the second resetting structure can play cushioning effect to the connection structure, the company of avoiding
The adjusting of binding structure is too fast, causes input unstable to the air-flow in kiln burner；
(2) by adjustment structure, air flux is reduced, the ratio of combustion gas and air is made to be more than 1, by the fire of kiln burner
Flame is adjusted to reducing flame, and the specific region in kiln is made to become reducing atmosphere, and burned product is under reducing atmosphere and is avoided that firing
Product occur heterochromatic；
(3) kiln burner is a kind of igniter applied on Industrial Stoves, and arbitrary kiln burner is respectively provided with most
Big firing power, the method that kiln burner is adjusted to maximum firing power are：It is corresponding that air is adjusted to maximum firing power
It is remained unchanged after flux, the flux that then can just light a fire from combustion gas constantly up increases, until what kiln burner generated
Flame reaches maximum；But in the actual production process, since air has loss during being passed through, in order to which kiln is kept to burn
Device is stably held in maximum firing power, it is necessary to which it is excessive to make air, and which results in the wastes of resource；By this air control valve
After applying on kiln burner, two elastic components are coordinated to air pressure lumen 14 and gaseous-pressure chamber by the adjustment structure
Actuating pressure in 15 compensates, and can reduce the loss of air, and then reduce energy loss.
Locking piece 253 is further included, the locking piece 253 is arranged on 112 upper surface of adjustment seat, is used to lock described
Adjusting knob 251.By setting the locking piece 253, on the one hand can to avoid producers using in air control valve
Faulty operation adjusting knob 251, causes the accident in journey, on the other hand may insure 251 turn of adjusting knob to needs
After state, not because internal pressure loosens.
Preferably, the upper cavity penetrates 11 upper surface of upper shell, and through hole 110 is formed in the upper end of shell 1,
The connection structure 21 can be by inserting on the through hole 110 in the upper cavity；Removable cover has peace on the through hole 110
Loading board 111；This setup facilitates producers to assemble, dismantled and safeguard the air control valve.
Preferably, the adjustment seat 112 is arranged on the installing plate 111；Upper cover 254 is further included, the upper cover 254 is covered
It is located at outside the adjusting knob 251,254 lower part of upper cover is fitted close with the adjustment seat 112, by setting the upper cover
254, can to avoid producers during the use of air control valve faulty operation adjusting knob 251.
Preferably, the installing plate 111 and the junction of the through hole 110 and the upper cover 254 and the adjustment seat
112 junction is both provided with sealing ring 113.
The flexible sheet structure 3 includes the first flexible sheet 31, the second flexible sheet 32 and pressure-bearing plate；First bullet
Property diaphragm 31 and second flexible sheet 32 is folded is located in the lower chamber；There are two the pressure-bearing plate is set, including upper pressure-bearing plate 33
With lower pressure-bearing plate 34, lower pressure-bearing plate 34 is arranged on 31 downside of the first flexible sheet, upper 33 times the second flexible sheets of pressure-bearing plate
32 upsides；The drive link 23 sequentially pass through first flexible sheet 31, the second flexible sheet 32 it is vertical be arranged on it is described
On pressure-bearing plate；This setup can play guiding role to the drive link 23, it is ensured that the drive link 23 is along vertical
Direction moves up and down.
Preferably, first flexible sheet becomes groove 311 in 31 weeks along a cast is equipped with.
Above-mentioned flexible sheet structure 3 is had the advantages that using this setup：The flexible sheet structure 3 is wrapped
The first flexible sheet 31 and the second flexible sheet 32 are included, the first flexible sheet 31 and the second flexible sheet 32 overlap, and promote elasticity
The center displacement of diaphragm structure 3 makes the scope that flexible sheet structure 3 adjusts pressure wider, degree of regulation higher；It is in addition, this
Set-up mode can extend the service life of the flexible sheet structure 3 and promote the sealing effect of the flexible sheet structure 3.
By setting pressure-bearing plate on the first flexible sheet 31, the second flexible sheet 32, on the one hand ensure from gas
Pressure stepless action in the first flexible sheet 31, the second flexible sheet 32 on the whole, on the other hand improve the first flexible sheet 31,
Stability when second flexible sheet 32 moves up and down.
By the way that the first flexible sheet 31 and the second flexible sheet 32 and the first resetting structure and second is set to reset knot
Structure forms dual voltage-regulating system, and more accurately the opening and closing degree of connection structure is adjusted.
The operation principle of the present invention：
Combustion gas is passed through to lower chamber, combustion gas is made to flow into gaseous-pressure chamber 15, the pressure of combustion gas acts on the first elastic membrane
The downside of piece 31,31 deformation of the first flexible sheet simultaneously promote the drive link 23 to move up the folding journey of regulating piston 21
Degree flows through the air flux of airflow hole 115 so as to fulfill real-time dynamic regulation air from air intake 16；The air is from second
Air cavity 122 flows into air pressure lumen 14, and the pressure of air acts on 32 upside of the second flexible sheet, second flexible sheet 32
Deformation simultaneously promotes the drive link 23 to move down the opening and closing degree of regulating piston 21, realizes Secondary Control air from air intake
16 flow through the air flux of airflow hole 115；Adjusting knob 251 is adjusted, the first elastic component 22 is made to exert a force to piston 21, regulating piston
21 opening and closing degree, so as to adjust the ratio between air and combustion gas according to practical condition.
Compared with prior art, a kind of air control valve of the invention, has the advantages that：
(1) present invention controls the combustion reaction in kiln by adjusting air flux, is set compared to by gas ratio valve
It puts on gas pipeline, the prior art of the combustion reaction in kiln is controlled by adjustment of combustion gas flow, safety coefficient is more
Height also reduces the risk of gas leakage, avoids environmental pollution；
(2) present invention makes flexible sheet structure 3 directly be changed according to gaseous-pressure by the way that outer combustion gas is passed through lower chamber
The connection structure is controlled to move, the connection structure energy rapid pin is made to respond gaseous-pressure variation, in upper cavity
Air flux be adjusted, realize the pressure stabilization function of air control valve, it is ensured that the fuel gas buring in kiln is abundant, improve fuel
Utilization rate, while this setup can obtain air pressure required when kiln burner burns under different conditions in real time, make
The ratio of combustion gas and air keeps dynamic equilibrium；Further, since the air control valve can ensure that the pressure into the air of kiln
It is relative constant with the holding of the pressure of combustion gas, the success rate that kiln burner is lighted a fire can be made to improve when burning with kiln burner more
Add stabilization；
(3) air control valve of the invention is compact-sized, and assembling is simple, of low cost, convenient for promoting the use of.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and changed.Therefore, the invention is not limited in specific embodiment disclosed and described above, to the present invention's
Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, it although is used in this specification
Some specific terms, but these terms are merely for convenience of description, do not limit the present invention in any way.
Claims (10)
1. a kind of air control valve, it is characterised in that：Including shell, upper cavity and lower chamber are provided in the shell, it is described
Connection structure is equipped in upper cavity, the connection structure is used to control the in vivo air flux of the epicoele；
Flexible sheet structure is equipped in the lower chamber, the flexible sheet structure is connected with the connection structure by drive link
It connects；
The external outer combustion gas pipeline of lower chamber, the outer combustion gas pipeline can input combustion gas to the lower chamber；
The drive link is taken in flexible sheet structure deformation under the pressure effect of the combustion gas to, so as to adjust the connection
The opening and closing degree of structure.
2. a kind of air control valve according to claim 1, it is characterised in that：The upper cavity further include air intake and
Air outlet slit, the connection structure connect the air intake and the air outlet slit.
3. a kind of air control valve according to claim 2, it is characterised in that：The connection structure includes barrier, gas
Discharge orifice, piston；
The barrier is arranged on inside the upper cavity, and the upper cavity is separated into the first air cavity and the second air cavity, institute
It states the first air cavity to connect with the air intake, second air cavity is connected with the air outlet slit；
The airflow hole is arranged on the barrier, and first air cavity is connected with second air cavity by the airflow hole
It is logical；
The piston is arranged on the airflow hole, and the piston can be moved up and down with drive link linkage, so as to adjust stream
Air flux through the airflow hole.
4. a kind of air control valve according to claim 3, it is characterised in that：The flexible sheet structure is by the cavity of resorption
Body is separated into air pressure lumen and gaseous-pressure chamber；
The gaseous-pressure chamber is equipped with fuel gas inlet and connects with combustion gas pressure tap, the fuel gas inlet and the external fuel gas pipeline
It connects, the drive link is set with the flexible sheet structure vertical, and the air pressure lumen is connected with the upper cavity.
5. a kind of air control valve according to claim 4, it is characterised in that：The first resetting structure and second is further included to answer
Bit architecture；
First resetting structure is arranged on the piston upper end, and first resetting structure is used to carry out the piston downward
It resets；
Second resetting structure is arranged on the gaseous-pressure intracavitary, and second resetting structure is used to carry out the piston
It resets upwards.
6. a kind of air control valve according to claim 5, it is characterised in that：First resetting structure includes the first bullet
Property part, guide post and guide channel, the guide channel are arranged on the top of the upper cavity, and described guide post one end is supported in the piston
Top, the other end are slidably disposed in the guide channel, and first elastic component is set on the guide post, for institute
Piston is stated to be resetted downwards.
7. a kind of air control valve according to claim 6, it is characterised in that：Adjustment structure is further included, it is described to adjust knot
Structure includes adjusting knob and adjustment seat；
The adjustment seat is arranged at the top of the upper cavity, the adjusting being provided through in the adjustment seat at the top of the upper cavity
Hole, the adjusting knob are threadedly coupled with the adjustment hole；
The guide channel is arranged on the adjusting knob；When the adjusting knob moves down, compressible first elasticity
Part.
8. a kind of air control valve according to claim 7, it is characterised in that：Locking piece is further included, the locking piece is set
It puts in the adjustment seat upper surface, is used to lock the adjusting knob.
9. a kind of air control valve according to claim 1, it is characterised in that：The flexible sheet structure includes the first bullet
Property diaphragm, the second flexible sheet and pressure-bearing plate；
First flexible sheet and the second flexible sheet, which are folded, to be located in the lower chamber；
It there are two the pressure-bearing plate is set, is respectively provided on the downside of first flexible sheet, on the upside of the second flexible sheet；
The drive link sequentially passes through that first flexible sheet, the second flexible sheet are vertical to be arranged on the pressure-bearing plate.
10. a kind of air control valve according to claim 1, it is characterised in that：The shell includes upper shell and lower casing
Body, the upper shell are detachably connected with the lower housing；
The upper cavity is arranged in the upper shell, and the lower chamber is arranged in the lower housing；
The cross section of the lower housing is circle, and the flexible sheet structure corresponds to the lower housing as round sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082678.7A CN108106446A (en) | 2018-01-29 | 2018-01-29 | A kind of air control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082678.7A CN108106446A (en) | 2018-01-29 | 2018-01-29 | A kind of air control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108106446A true CN108106446A (en) | 2018-06-01 |
Family
ID=62220451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810082678.7A Pending CN108106446A (en) | 2018-01-29 | 2018-01-29 | A kind of air control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108106446A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068012A (en) * | 2019-05-14 | 2019-07-30 | 芜湖美的厨卫电器制造有限公司 | Pre-mixing apparatus and water heater |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200385261Y1 (en) * | 2005-03-14 | 2005-05-25 | 주식회사 코베아 | A Gas Pressure Regulating Valve |
| CN201047454Y (en) * | 2007-05-12 | 2008-04-16 | 广东万和集团有限公司 | Gas proportion valve |
| CN101644344A (en) * | 2009-08-31 | 2010-02-10 | 陆守祥 | Regulating valve for proportioning air and fuel gas |
| CN201651476U (en) * | 2010-05-06 | 2010-11-24 | 程振中 | Novel combustion gas proportioning valve |
| CN202109487U (en) * | 2011-03-11 | 2012-01-11 | 冀州市冀能能源设备有限责任公司 | Pneumatic fuel gas/air quasi-proportion device |
| CN203082303U (en) * | 2013-02-04 | 2013-07-24 | 绍兴恒大热能科技有限公司 | Gas proportional valve |
| CN104358904A (en) * | 2014-11-25 | 2015-02-18 | 四川长仪油气集输设备股份有限公司 | Diaphragm type control valve |
| CN204573231U (en) * | 2015-05-05 | 2015-08-19 | 合肥依科普工业设备有限公司 | Adjustable zero-pressure valve |
| CN105626942A (en) * | 2014-11-13 | 2016-06-01 | 河北春风供暖设备有限责任公司 | Multipurpose automatic air adjusting valve |
| CN207763518U (en) * | 2018-01-29 | 2018-08-24 | 佛山市诺一燃控科技有限公司 | A kind of air control valve |
-
2018
- 2018-01-29 CN CN201810082678.7A patent/CN108106446A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200385261Y1 (en) * | 2005-03-14 | 2005-05-25 | 주식회사 코베아 | A Gas Pressure Regulating Valve |
| CN201047454Y (en) * | 2007-05-12 | 2008-04-16 | 广东万和集团有限公司 | Gas proportion valve |
| CN101644344A (en) * | 2009-08-31 | 2010-02-10 | 陆守祥 | Regulating valve for proportioning air and fuel gas |
| CN201651476U (en) * | 2010-05-06 | 2010-11-24 | 程振中 | Novel combustion gas proportioning valve |
| CN202109487U (en) * | 2011-03-11 | 2012-01-11 | 冀州市冀能能源设备有限责任公司 | Pneumatic fuel gas/air quasi-proportion device |
| CN203082303U (en) * | 2013-02-04 | 2013-07-24 | 绍兴恒大热能科技有限公司 | Gas proportional valve |
| CN105626942A (en) * | 2014-11-13 | 2016-06-01 | 河北春风供暖设备有限责任公司 | Multipurpose automatic air adjusting valve |
| CN104358904A (en) * | 2014-11-25 | 2015-02-18 | 四川长仪油气集输设备股份有限公司 | Diaphragm type control valve |
| CN204573231U (en) * | 2015-05-05 | 2015-08-19 | 合肥依科普工业设备有限公司 | Adjustable zero-pressure valve |
| CN207763518U (en) * | 2018-01-29 | 2018-08-24 | 佛山市诺一燃控科技有限公司 | A kind of air control valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068012A (en) * | 2019-05-14 | 2019-07-30 | 芜湖美的厨卫电器制造有限公司 | Pre-mixing apparatus and water heater |
| CN110068012B (en) * | 2019-05-14 | 2022-09-30 | 芜湖美的厨卫电器制造有限公司 | Premixing device and water heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104728842B (en) | Forced full-premixing fuel gas combustion device enabling fuel gas to be completely combusted | |
| CN108006640A (en) | One kind uses oxygen-enriched burner | |
| CN104676638B (en) | A kind of low nitrogen burning control method for air door during boiler load down | |
| CN207763518U (en) | A kind of air control valve | |
| US6027336A (en) | Gas burner for a heating furnace | |
| CN108106446A (en) | A kind of air control valve | |
| CN105673877B (en) | A kind of gas valve of the double gas shift functions of band for oven | |
| CN109931421A (en) | Fuel gas plug valve | |
| CN208720213U (en) | A kind of gas gun for gradual combustor | |
| CN205101601U (en) | Two air supply BBQ ovens of two air supply gas kind selection valves in area | |
| CN219099049U (en) | Accurate control system for prestoring chamber pressure | |
| CN216010848U (en) | Low nitrogen oxide combustor | |
| CN219693324U (en) | Gas stove | |
| JPS5560104A (en) | Two-stage combustion burner for radiant tube | |
| CN209801482U (en) | Large-adjustment-ratio low-nitrogen-oxide combustor | |
| CN214307105U (en) | Combustion system | |
| CN205909335U (en) | Take secondary to send roasting kiln stove of oxygen function | |
| KR820000918Y1 (en) | Heating power adjusting apparatus for rice bran stove | |
| JP2001241653A (en) | Combustion equipment | |
| JPS643931Y2 (en) | ||
| JP2571125B2 (en) | Oil cylinder burner cylinder | |
| DE59201476D1 (en) | Actuator for the two-stage power control of gas forced draft burners. | |
| GB2064814A (en) | Improvements relating to pressure reducers | |
| JPH04113158A (en) | Heating value control of hot water supply heater | |
| CN116642176A (en) | Full-premix combustion device and gas water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |