CN208935532U - Gas-fired valve with diffusion function - Google Patents
Gas-fired valve with diffusion function Download PDFInfo
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- CN208935532U CN208935532U CN201821519865.9U CN201821519865U CN208935532U CN 208935532 U CN208935532 U CN 208935532U CN 201821519865 U CN201821519865 U CN 201821519865U CN 208935532 U CN208935532 U CN 208935532U
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- rod
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Abstract
The utility model relates to a kind of gas-fired valve with diffusion function, including burning valve body, the combustion valve valve plate in burning valve body, on burning valve body and the first valve rod for connect with combustion valve valve plate and driving mechanism for driving the movement of the first valve rod, desorption tube is connected on burning valve body and desorption tube is located at the low-pressure side of combustion valve valve plate, desorption tube is equipped with diffusion valve, diffusion valve has the second valve rod, and the second valve rod is connected by transmission mechanism with the first valve rod and opposite with the switching motion of the first valve rod.The function of diffusion valve is integrated on combustion valve by the utility model, and realize the linkage of diffusion valve and combustion valve switching motion, structure is simple, is easily installed and safeguards, a set of driving and control equipment can be reduced, reduce equipment cost and maintenance cost, it can be effectively prevented from malfunction or leakage movement, guarantee that production safety is reliable.
Description
Technical field
The utility model belongs to technical field of blast furnace process, and in particular to a kind of gas-fired valve with diffusion function.
Background technique
Gas stop valve, gas-fired valve are provided on into the branch gas tube of hot-blast stove.When hot-blast stove enters air-supply shape
After state, safety accident is generated to further prevent high-temperature hot-air to leak into gas piping, gas stop valve and coal gas must be fired
The diffusion valve burnt on the pipeline between valve (being in closed state) is opened, and the high-temperature hot-air of leakage is diffused in time.Currently,
Gas-fired valve and diffusion valve respectively by a set of driving and control device independent control, not only increase equipment cost and maintenance at
This, field device arrangement also occupied space, and the phenomenon that be easy to happen maloperation, there are some potential safety problemss.
Utility model content
The utility model embodiment is related to a kind of gas-fired valve with diffusion function, can at least solve the portion of the prior art
Divide defect.
The utility model embodiment is related to a kind of gas-fired valve with diffusion function, including burning valve body, is set to institute
State the combustion valve valve plate to burn in valve body, set on first valve for burning and connecting on valve body and with the combustion valve valve plate
Bar and driving mechanism for driving first valve rod movement are connected with desorption tube on the burning valve body and described put
Separate tube is located at the low-pressure side of the combustion valve valve plate, and the desorption tube is equipped with diffusion valve, and the diffusion valve has the second valve rod,
Second valve rod is connected by transmission mechanism with first valve rod and opposite with the switching motion of first valve rod.
As one of embodiment, first valve rod and second valve rod are rotary shaft valve rod；The transmission mechanism
Including intermeshing driving gear and driven gear, the driving gear is set on first valve rod, the driven tooth
Wheel is set on second valve rod.
As one of embodiment, the driving gear and the driven gear are sector gear.
As one of embodiment, the reference diameter of the driving gear and the driven gear is respectively d1 and d2, institute
The maximum rotation angle for stating the first valve rod is α, and the maximum rotation angle of second valve rod is β, then meets α/β=d2/d1.
As one of embodiment, the driving mechanism includes swing arm and the swing arm driving component with telescopic output shafts, institute
State that swing arm one end is socketed on first valve rod and the other end and the telescopic output shafts are hinged, the swing arm driving component
Housing hinge is on the burning valve body.
As one of embodiment, the swing arm driving component is cylinder or hydraulic cylinder.
The utility model embodiment at least has the following beneficial effects:
Gas-fired valve provided by the utility model with diffusion function, the function of diffusion valve is integrated on combustion valve,
And realize the linkage of diffusion valve and combustion valve switching motion, structure is simple, is easily installed and safeguards, can not only reduce a set of drive
Dynamic and control equipment, reduces equipment cost and maintenance cost, and can be effectively prevented from malfunction or leakage movement, guarantees production peace
It is complete reliable.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 be the gas-fired valve provided by the embodiment of the utility model with diffusion function off state (diffusion valve is opened
Open) schematic diagram；
Fig. 2 is open position (the diffusion valve pass of the gas-fired valve provided by the embodiment of the utility model with diffusion function
Close) schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
Such as Fig. 1 and Fig. 2, the utility model embodiment provides a kind of gas-fired valve with diffusion function, including combustion valve
Valve body 1, set on it is described burning valve body 1 in combustion valve valve plate 11, be set to the burning valve body 1 on and with the combustion valve
The first valve rod (having illustrated, do not mark) that valve plate 11 connects and the driving mechanism for driving the first valve rod movement, on
Stating the interconnected relationship between burning valve body 1, combustion valve valve plate 11, the first valve rod and driving mechanism is this field routine
Technology is that those skilled in the art are easy to determine and design.It is connected with desorption tube 2 on the burning valve body 1 and described puts
Separate tube 2 is located at the low-pressure side of the combustion valve valve plate 11, and the desorption tube 2 is equipped with diffusion valve 3, and the diffusion valve 3 has the
Two valve rods (have illustrated, do not mark), second valve rod be connected by transmission mechanism with first valve rod and with it is described
The switching motion of first valve rod is opposite.It is to be appreciated that desorption tube 2 is connected to the valve chamber of burning valve body 1, for the second valve rod
It is dynamic in the first valve rod based on the relevance of open/close states between gas-fired valve and diffusion valve 3 with the structure of the first valve rod linkage
When making and controlling the burning unlatching of valve body 1, the second valve rod controls diffusion valve 3 and closes, and acts in the first valve rod and controls combustion valve
When valve body 1 is closed, the second valve rod controls diffusion valve 3 and opens.
Gas-fired valve provided in this embodiment with diffusion function, the function of diffusion valve 3 is integrated on combustion valve, and
Realize the linkage of diffusion valve 3 and combustion valve switching motion, structure is simple, is easily installed and safeguards, can not only reduce a set of drive
Dynamic and control equipment, reduces equipment cost and maintenance cost, and can be effectively prevented from malfunction or leakage movement, guarantees production peace
It is complete reliable.
The present embodiment realizes being connected between the first valve rod and the second valve rod, the transmission mechanism one using transmission mechanism
As be mechanical transmission mechanism, compared between combustion valve and diffusion valve 3 in such a way that electric interlock acts, the first valve rod and the
Carrying out linkage by mechanical transmission mechanism between two valve rods can guarantee the functional reliability of the gas-fired valve with diffusion function,
Avoid malfunction or leakage movement.
The mode that above-mentioned first valve rod control combustion valve valve plate 11 acts, which can be, to be controlled the combustion valve valve plate 11 and is firing
Rotation in valve body 1 is burnt, is also possible to control the combustion valve valve plate 11 along burning 1 radial translation of valve body；Similarly, the second valve
The mode that bar control diffusion valve 3 opens and closes can be the rotation of control 3 valve plate of diffusion valve or along 3 valve body radial translation of diffusion valve.Then,
The interlocking movement of one valve rod and the second valve rod can be the combination of above-mentioned a variety of situations, and such as the first valve rod controls combustion valve valve plate 11
Rotation, the second valve rod control the rotation of 3 valve plate of diffusion valve；First valve rod controls combustion valve valve plate 11 and translates, and the control of the second valve rod is put
Dissipate the rotation of 3 valve plate of valve；First valve rod controls combustion valve valve plate 11 and rotates, and the second valve rod controls the translation of 3 valve plate of diffusion valve；First valve
Bar controls combustion valve valve plate 11 and translates, and the second valve rod controls the translation of 3 valve plate of diffusion valve.Then above-mentioned transmission mechanism is correspondingly arranged.
Preferably embodiment, first valve rod and second valve rod are rotary shaft valve rod, i.e. the first valve rod
It controls combustion valve valve plate 11 to rotate, the second valve rod controls the rotation of 3 valve plate of diffusion valve；Such as Fig. 1 and Fig. 2, the transmission mechanism includes
Intermeshing driving gear 41 and driven gear 42, the driving gear 41 is set on first valve rod, described driven
Gear 42 is set on second valve rod.When above-mentioned driving mechanism drives the rotation of the first valve rod, it is set in first valve rod
On driving gear 41 rotate with it, then drive the driven gear 42 engaged with the driving gear 41 rotate, and then drive second
Valve rod rotation, to realize being connected for the first valve rod and the second valve rod, namely the connection between realization diffusion valve 3 and combustion valve
Lock control.Using gear drive, structure is simple, transmission connection is reliable, and action response degree is high.It is easy-to-understand to, it is other such as sprocket wheel
The modes such as transmission, belt wheel transmission, Worm Wheel System are all suitable in this present embodiment, can be carried out according to specific operating condition selection and
Design.
It is further preferred that the driving gear 41 and the driven gear 42 are sector gear such as Fig. 1 and Fig. 2, it can
It is further simplified the structure of above-mentioned transmission mechanism, is occupied little space, can avoid interfering with other equipment, guarantee work can
By property.
It is further preferred that design is when the valve body 1 that burns is fully opened/closed, diffusion valve 3 accordingly completely closes/
Open, specifically, such as Fig. 1 and Fig. 2, the reference diameter of the driving gear 41 and the driven gear 42 be respectively d1 and
D2, the maximum rotation angle of first valve rod are that (i.e. burning valve body 1 is fully opened to when completely closing α, and the first valve rod turns
Dynamic angle), the maximum rotation angle of second valve rod is β, then meets α/β=d2/d1, it is ensured that above-mentioned demand
(when the valve body 1 that burns is fully opened/closed, diffusion valve 3 is accordingly completely closed/is opened), and avoid the first valve rod/the
Two valve rods rotate over-angle and damage 3/ combustion valve of diffusion valve, improve the service life of equipment.
The structure for connecting the above-mentioned gas-fired valve with diffusion function, for the driving side of above-mentioned the first valve rod rotation
Formula, can be using the driving equipment of rotary shaft valve rod conventional in the prior art；In the present embodiment, it is preferable that such as Fig. 1 and Fig. 2,
The driving mechanism includes swing arm 51 and the swing arm driving component 52 with telescopic output shafts, and described 51 one end of swing arm is socketed on institute
It states on the first valve rod and the other end and the telescopic output shafts is hinged, the housing hinge of the swing arm driving component 52 is in the combustion
It burns on valve body 1.The swing arm driving component 52 can be cylinder or hydraulic cylinder, naturally it is also possible to be the knot such as screw mandrel drive mechanism
Structure, specific structure do not repeat one by one herein.
Such as Fig. 1 and Fig. 2, hot-blast stove gas piping 6 is connect with the gas inlet of hot-blast stove, is disposed on the gas piping 6
The above-mentioned gas-fired valve with diffusion function；Further, it there also is provided stop valve on the gas piping 6, stop valve is located at
The side of the separate hot-blast stove of burning valve body 1.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of gas-fired valve with diffusion function, including burning valve body, the combustion valve in the burning valve body
Valve plate, on the burning valve body and the first valve rod for being connect with the combustion valve valve plate and for driving described first
The driving mechanism of valve rod movement, it is characterised in that: be connected with desorption tube on the burning valve body and the desorption tube is located at institute
The low-pressure side of combustion valve valve plate is stated, the desorption tube is equipped with diffusion valve, and the diffusion valve has the second valve rod, second valve
Bar is connected by transmission mechanism with first valve rod and opposite with the switching motion of first valve rod.
2. the gas-fired valve with diffusion function as described in claim 1, it is characterised in that: first valve rod and described the
Two valve rods are rotary shaft valve rod；The transmission mechanism includes intermeshing driving gear and driven gear, the driving tooth
Wheel is set on first valve rod, and the driven gear is set on second valve rod.
3. the gas-fired valve with diffusion function as claimed in claim 2, it is characterised in that: the driving gear and it is described from
Moving gear is sector gear.
4. the gas-fired valve with diffusion function as claimed in claim 2 or claim 3, it is characterised in that: the driving gear and institute
The reference diameter for stating driven gear is respectively d1 and d2, and the maximum rotation angle of first valve rod is α, second valve rod
Maximum rotation angle be β, then meet α/β=d2/d1.
5. the gas-fired valve with diffusion function as claimed in claim 2, it is characterised in that: the driving mechanism includes swing arm
With the swing arm driving component with telescopic output shafts, described swing arm one end be socketed on first valve rod and the other end with it is described
Telescopic output shafts are hinged, and the housing hinge of the swing arm driving component is on the burning valve body.
6. the gas-fired valve with diffusion function as claimed in claim 5, it is characterised in that: the swing arm driving component is gas
Cylinder or hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821519865.9U CN208935532U (en) | 2018-09-18 | 2018-09-18 | Gas-fired valve with diffusion function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821519865.9U CN208935532U (en) | 2018-09-18 | 2018-09-18 | Gas-fired valve with diffusion function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208935532U true CN208935532U (en) | 2019-06-04 |
Family
ID=66721302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821519865.9U Active CN208935532U (en) | 2018-09-18 | 2018-09-18 | Gas-fired valve with diffusion function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208935532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843849A (en) * | 2018-09-18 | 2018-11-20 | 中冶南方工程技术有限公司 | Gas-fired valve with diffusion function |
-
2018
- 2018-09-18 CN CN201821519865.9U patent/CN208935532U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843849A (en) * | 2018-09-18 | 2018-11-20 | 中冶南方工程技术有限公司 | Gas-fired valve with diffusion function |
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