CN206783699U - Blast furnace opens diffusion valve with promotion - Google Patents
Blast furnace opens diffusion valve with promotion Download PDFInfo
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- CN206783699U CN206783699U CN201720185111.3U CN201720185111U CN206783699U CN 206783699 U CN206783699 U CN 206783699U CN 201720185111 U CN201720185111 U CN 201720185111U CN 206783699 U CN206783699 U CN 206783699U
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- cylinder
- valve
- retractor device
- bonnet
- blast furnace
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Abstract
The utility model discloses a kind of blast furnace and promotes unlatching diffusion valve, mainly for existing blast furnace out-spreading valve valve body easily by the situation of purging damage, propose a kind of blast furnace for avoiding valve body from being purged and open diffusion valve, including bonnet, valve body and more than one retractor device with promotion；Wherein, one end of the retractor device is connected with the valve rod, and the other end of the retractor device is connected with the valve body；The bonnet includes a bonnet body, and one is provided with the downside of the bonnet body perpendicular to the cylinder that diffuses for diffusing body, and the cylinder that diffuses is a hollow cylinder, is provided with the side wall of the hollow cylinder and some diffuses hole；The valve body is a hollow cylinder, the valve body with it is described diffuse cylinder and be slidingly sealed be adapted to；The top edge for diffusing cylinder is adapted to bonnet body edges sealing.The utility model promotes bonnet and diffuses cylinder and blast furnace gas is diffused by retractor device, avoids the situation that valve body is purged.
Description
Technical field
It the utility model is related to a kind of blast furnace and promote unlatching diffusion valve.
Background technology
Diffusion valve is the key equipment of blast furnace raw gas diffusion system, installed in coal gas tedge top.Main work(
Can be that, in blast furnace staying, diffusion valve is opened, and diffuses furnace pressure.In addition, diffusion valve also acts as peace to blast furnace and installations and facilities
The effect of full guard, when furnace top pressure exceedes setting pressure, diffusion valve needs to automatically turn on.
Traditional diffusion valve has two, first, to the purging of sealing surface of seat during coal gas diffusion, due to containing in coal gas
There are a large amount of graininess dust, be directly flushed on sealing surface of seat, can have a negative impact to its life-span, second, diffusion valve plays
When safeguard protection acts on, the effect of disc spring in bonnet is relied primarily on, when furnace top pressure is more than disc spring to the pressure of bonnet, bonnet
It will open, but now because diffusion valve is not all turned on, simply part is opened, and has even only opened one section of gap of very little,
So coal gas is very violent to valve seat and washing away for valve bonnet seal face, under such conditions, diffusion valve will soon damage.
Utility model content
Unlatching is promoted to put in view of the above-mentioned problems, the utility model provides a kind of blast furnace retractor device for avoiding bonnet from being purged
Dissipate valve.
To reach above-mentioned purpose, the utility model blast furnace with promote open diffusion valve, including bonnet, valve body and one with
On retractor device；
Wherein, one end of the retractor device is connected with the valve rod, the other end of the retractor device and the valve body
Connection；
The bonnet includes a bonnet body, and be provided with one on the downside of the bonnet body diffuses putting for body perpendicular to described
Cylinder is dissipated, the cylinder that diffuses is a hollow cylinder, is provided with the side wall of the hollow cylinder and some diffuses hole；
The valve body is a hollow cylinder, the valve body with it is described diffuse cylinder and be slidingly sealed be adapted to；
The top edge for diffusing cylinder is adapted to bonnet body edges sealing.
Further, the retractor device includes hydraulic cylinder, cylinder, electric cylinders or Electrohydraulic push rod.
Further, the cylinder that diffuses includes some guard plots of circumferentially spaced setting and is arranged on adjacent two guard plot
Between diffuse area, the guard plot is solid area, it is described diffuse area and be provided with least one diffuse hole；
The retractor device is arranged on the position corresponding with the guard plot, and the retractor device diffuses cylinder described in
Radially width of the projection on the guard plot no more than the retractor device.
Further, it is described diffuse cylinder it is circumferentially arranged have some diffuse hole；
Some protective plates are provided with the bonnet, the protective plate is corresponded with the retractor device and set；It is described
Width of projection of the retractor device on the protective plate no more than the protective plate；
The length of the protective plate is not less than the length for diffusing cylinder.
Further, the protective plate is angle steel, C-shaped steel or section bar that section is arc,
The side that the protective plate concaves is towards the retractor device.
Further, the retractor device is hydraulic cylinder or cylinder；
The rod chamber and rodless cavity of the hydraulic cylinder or cylinder made respectively with the positive drive of one or two five-way valve liquid/gas hole and
The connection of liquid/gas hole is made in reaction；The air admission hole of two five-way valves connects with gas/liquid potential source；
A pressure sensor, the pressure sensing are provided with the rod chamber or rodless cavity oil circuit of the hydraulic cylinder or cylinder
Device is connected with a controller communication, and the controller controls the magnetic valve.
Further, the hole of diffusing is strip through-hole, and the strip through-hole diffuses the axially arranged of cylinder, institute along described
The lower end and the bottom for diffusing cylinder for stating strip through-hole are arranged at intervals.
With unlatching diffusion valve is promoted, when being diffused, retractor device pushes up bonnet body to the utility model blast furnace,
Drive is diffused cylinder and moved upwards, when diffusing hole and spilling valve body, gas is diffused by diffusing cylinder, due to diffusing a bottom
It is solid torus and is slidably matched with valve body sealing, so avoids purging of the coal gas to valve body.
Brief description of the drawings
Fig. 1 is the front view that the utility model blast furnace promotes the embodiment 1 for opening diffusion valve；
Fig. 2 is front view when Fig. 1 is opened
Fig. 3 is the A-A sectional views that Fig. 3 is Fig. 2；
Fig. 4 is that the utility model blast furnace promotes the fluid pressure line for the embodiment 4 for opening diffusion valve is non-to diffuse under state
Schematic diagram；
Fig. 5 is that the fluid pressure line for the embodiment 4 that the utility model blast furnace opens diffusion valve with promoting diffuses showing under state
It is intended to.
Wherein, 1, valve body, 2, bonnet, 21, bonnet body, 22, diffuse cylinder, 3, hydraulic cylinder installation frame, 4, hydraulic cylinder, 5,
Control valve group, 6, pressure sensor.
Embodiment
The utility model is further described with reference to Figure of description.
Embodiment 1
As Figure 1-3, the blast furnace of the present embodiment opens diffusion valve, including bonnet 2, valve body 1 and two liquid with promotion
Cylinder pressure 4；Hydraulic cylinder 4 is arranged on valve body by installation frame 3.
Wherein, one end of the hydraulic cylinder 4 is connected with the valve rod, and the other end of the hydraulic cylinder 4 connects with the valve body 1
Connect；
The bonnet 2 includes a bonnet body 21, and the downside of bonnet body 21 is provided with one and diffuses this perpendicular to described
Body diffuses cylinder 22, and the cylinder 22 that diffuses is a hollow cylinder, is provided with the side wall of the hollow cylinder and some diffuses hole；
The valve body 1 is a hollow cylinder, the valve body 1 with it is described diffuse cylinder 22 and be slidingly sealed be adapted to；
The top edge for diffusing cylinder 22 is adapted to the edge seal of bonnet body 21.
In the present embodiment, hydraulic cylinder 4 can be hydraulic cylinder 4, cylinder, electric cylinders or Electrohydraulic push rod.
When diffusion valve needs to open, hydraulic cylinder 4 acts, and promotes bonnet 2 to open up, diffuses cylinder 22 and expose valve body, coal
Gas is outwards diffused from diffusing in cylinder 22, is solid torus due to diffusing the bottom of cylinder 22, so avoiding purging of the coal gas to valve seat.
When diffusion valve needs to close, hydraulic cylinder 4 acts, and pulls bonnet 2 to move downward, and closes diffusion valve.
In the present embodiment, retractor device can also be cylinder, electric cylinders or Electrohydraulic push rod.
Embodiment 2
Continue as Figure 1-3, in the present embodiment, the cylinder 22 that diffuses includes some guard plots of circumferentially spaced setting
And be arranged between adjacent two guard plot and diffuse area, the guard plot is solid area, and the area of diffusing is provided with least one
It is individual to diffuse hole；
The retractor device is arranged on the position corresponding with the guard plot, and the retractor device diffuses cylinder described in
Width of projection of 22 radial directions on the guard plot no more than the retractor device.
In the present embodiment, cylinder 22 will be diffused to be arranged to guard plot and diffuse the alternate form in area, also, by retractor device
The position of the corresponding guard plot is arranged on, in such manner, it is possible to form purging and damage, energy to retractor device when avoiding diffused gas
Enough extend the service life of retractor device.
Embodiment 3
On the basis of embodiment 1, continue as Figure 1-3, it is described to diffuse that cylinder 22 is circumferentially arranged to be had in the present embodiment
It is some to diffuse hole；
Some protective plates are provided with the bonnet 2, the protective plate is corresponded with the retractor device and set；It is described
Width of projection of the retractor device on the protective plate no more than the protective plate；
The length of the protective plate is not less than the length for diffusing cylinder 22.
The protective plate is angle steel, C-shaped steel or section bar that section is arc,
The side that the protective plate concaves is towards the retractor device.
In the present embodiment, protective plate is provided with the position of corresponding retractor device, retractor device is blocked, avoided
Gas is miscellaneous to be formed when diffusing to retractor device and purges, so as to extending the service life of retractor device.
Embodiment 4
On the basis of the various embodiments described above, as illustrated in figures 4-5, in the present embodiment, the retractor device be hydraulic cylinder 4 or
Cylinder；
The rod chamber and rodless cavity of the hydraulic cylinder 4 or cylinder make liquid/gas hole with the positive drive of one or two five-way valve 5 respectively
Liquid/gas hole is made with reaction to connect；The air admission hole of two five-way valves 5 connects with gas/liquid potential source；
A pressure sensor 6 is provided with the rod chamber or rodless cavity oil circuit of the hydraulic cylinder 4 or cylinder, the pressure passes
Sensor 6 is connected with a controller communication, and the controller controls the magnetic valve.
In the present embodiment, the action of two five-way valves 5 is controlled there is provided pressure sensor 6 and controller, works as State of Blast Furnace
Condition is abnormal, and when pressure is excessive, hydraulic cylinder 4 is by the thrust of bonnet 2, and pressure becomes big in whole hydraulic circuit, when pressure rise is arrived
When reaching specified pressure value, pressure sensor 6 sends signal, control valve group action, opens bonnet 2 and is diffused, avoid accident
Occur.
More than, preferred embodiment only of the present utility model, but the scope of protection of the utility model is not limited thereto, and is appointed
What those familiar with the art the change that can readily occur in or replaces in the technical scope that the utility model discloses
Change, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with claim
The protection domain defined is defined.
Claims (7)
1. a kind of blast furnace opens diffusion valve with promotion, it is characterised in that：Including bonnet, valve body and more than one flexible dress
Put；
Wherein, one end of the retractor device is connected with valve rod, and the other end of the retractor device is connected with the valve body；
The bonnet includes a bonnet body, and diffusing perpendicular to the bonnet body is provided with the downside of the bonnet body
Cylinder, the cylinder that diffuses is a hollow cylinder, is provided with the side wall of the hollow cylinder and some diffuses hole；
The valve body is a hollow cylinder, the valve body with it is described diffuse cylinder and be slidingly sealed be adapted to；
The top edge for diffusing cylinder is adapted to bonnet body edges sealing.
2. blast furnace as claimed in claim 1 opens diffusion valve with promotion, it is characterised in that：The retractor device include hydraulic cylinder,
Cylinder, electric cylinders or Electrohydraulic push rod.
3. blast furnace as claimed in claim 1 opens diffusion valve with promotion, it is characterised in that：The cylinder that diffuses is including circumferentially spaced
Some guard plots for setting and it is arranged between adjacent two guard plot and diffuses area, the guard plot is solid area, described to put
Scattered area, which is provided with, at least one diffuses hole；
The retractor device is arranged on the position corresponding with the guard plot, the retractor device diffused described in barrel dliameter to
Projection on the guard plot is not more than the width of the retractor device.
4. blast furnace as claimed in claim 1 opens diffusion valve with promotion, it is characterised in that：Diffuse that cylinder is circumferentially arranged to be had if described
It is dry to diffuse hole；
Some protective plates are provided with the bonnet, the protective plate is corresponded with the retractor device and set；It is described flexible
Width of projection of the device on the protective plate no more than the protective plate；
The length of the protective plate is not less than the length for diffusing cylinder.
5. blast furnace as claimed in claim 4 opens diffusion valve with promotion, it is characterised in that：The protective plate be angle steel, C-shaped steel or
Person section is the section bar of arc,
The side that the protective plate concaves is towards the retractor device.
6. blast furnace as claimed in claim 1 opens diffusion valve with promotion, it is characterised in that：The retractor device is hydraulic cylinder or gas
Cylinder；
The rod chamber and rodless cavity of the hydraulic cylinder or cylinder make liquid/gas hole and reaction with the positive drive of one or two five-way valve respectively
Make the connection of liquid/gas hole；The air admission hole of two five-way valves connects with gas/liquid potential source；
Be provided with a pressure sensor on the rod chamber or rodless cavity oil circuit of the hydraulic cylinder or cylinder, the pressure sensor with
One controller communication connects, and the controller controls magnetic valve.
7. blast furnace as claimed in claim 1 opens diffusion valve with promotion, it is characterised in that：The hole of diffusing is strip through-hole, institute
That states strip through-hole diffuses the axially arranged of cylinder along described, and the lower end of the strip through-hole is set with the bottom interval for diffusing cylinder
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720185111.3U CN206783699U (en) | 2017-02-28 | 2017-02-28 | Blast furnace opens diffusion valve with promotion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720185111.3U CN206783699U (en) | 2017-02-28 | 2017-02-28 | Blast furnace opens diffusion valve with promotion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206783699U true CN206783699U (en) | 2017-12-22 |
Family
ID=60704959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720185111.3U Active CN206783699U (en) | 2017-02-28 | 2017-02-28 | Blast furnace opens diffusion valve with promotion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206783699U (en) |
-
2017
- 2017-02-28 CN CN201720185111.3U patent/CN206783699U/en active Active
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| GR01 | Patent grant |