CN207634760U - Valve and ash disposal system with it - Google Patents
Valve and ash disposal system with it Download PDFInfo
- Publication number
- CN207634760U CN207634760U CN201721214733.0U CN201721214733U CN207634760U CN 207634760 U CN207634760 U CN 207634760U CN 201721214733 U CN201721214733 U CN 201721214733U CN 207634760 U CN207634760 U CN 207634760U
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- Prior art keywords
- valve
- spool
- ash
- disposal system
- main body
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- 239000000919 ceramic Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims description 15
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 5
- 239000002956 ash Substances 0.000 description 31
- 238000012545 processing Methods 0.000 description 9
- 238000007789 sealing Methods 0.000 description 7
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013036 cure process Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Sliding Valves (AREA)
Abstract
The utility model provides a kind of valve and the ash disposal system with it, wherein valve, including：Valve body, valve body include in valve chamber；Spool, spool are arranged in valve chamber, and spool includes spool main body and the ceramic layer that is arranged on the outer wall of spool main body.The problem of being easily damaged the technical solution of the utility model effectively solves the caulking gum of valve in the prior art.
Description
Technical field
The utility model is related to the technical fields of power plant valve, in particular to a kind of valve and with its ash disposal
System.
Background technology
Pneumatic round-top valve is the special valve of conveying powder material, is used as the inlet valve of storehouse pump in the present system.Dome valve
Valve body be made of spheroidal graphite cast-iron.Spool is in dome-shaped, is manufactured using stainless steel material, and surface carries out cure process.Spool is logical
It crosses the shaft positioned at its both sides and does 90 degree of rotations, be opened and closed valve.Valve top is equipped with gas-flow closure circle above dome, close
On the loading line of seal be equipped with two point pressure gauge, with ensure sealing ring fill, unload pressure to set pressure.Dome surface
It is smooth hard, so that it is in close contact with rubber seal.Rubber seal is made of the rubber of special formulation, has corrosion resistant
The features such as losing, be wear-resistant, ageing-resistant.But rubber seal is easily damaged when ash disposal system.
Utility model content
The main purpose of the utility model is to provide a kind of valve and with its ash disposal system, to solve the prior art
In the caulking gum of valve the problem of being easily damaged.
To achieve the goals above, one side according to the present utility model provides a kind of valve, including：Valve body, valve
Body includes in valve chamber；Spool, spool are arranged in valve chamber, and spool includes spool main body and is arranged on the outer wall of spool main body
Ceramic layer.
Further, the thickness of ceramic layer in 2.5mm between 3.2mm.
Further, valve body is made of nodular cast iron material.
Further, spool main body is made of stainless steel material.
Further, valve further includes pneumatic structure, and pneumatic structure is connected with spool, to drive valve core rotation, pneumatically
Structure is fixed on valve body.
Further, valve further includes pivotal axis, spool with valve body by pivoting axis connection so that spool is around pivoting shaft rotation
It is dynamic.
Another aspect according to the present utility model, provides a kind of power plant's ash disposal system, including ash can and is connected to ash can
The valve in downstream, valve are above-mentioned valve.
Further, ash disposal system further includes ash cellar, and ash cellar is connect with valve, and is arranged in the downstream of valve.
Further, valve is connect with ash can by first flange.
Further, valve is connected with ash cellar by pipeline, and valve is connected with the first end of pipeline by second flange,
The second end of pipeline is connected with ash cellar by third flange.
Using the technical solution of the utility model, when powdered dust passes through valve, due to spool main body and
It is provided with ceramic layer between valve body to be sealed, ceramic material has nonabradable performance, therefore the valve of the application is close
Envelope part is less likely to be damaged.The technical solution of the utility model effectively solves the caulking gums of the valve of the prior art to be easy
The problem of damage.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.
In the accompanying drawings：
Fig. 1 shows the structural schematic diagram of the embodiment one of valve according to the present utility model.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, valve body；20, spool.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
For ease of description, herein can with use space relative terms, as " ... on ", " in ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (be rotated by 90 ° or be in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be understood that thesing embodiments are provided so that disclosure herein is thoroughly and complete, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, expands layer
With the thickness in region, and make that identical device is presented with like reference characters, thus description of them will be omitted.
As shown in Figure 1, the valve of embodiment one includes：Valve body 10 and spool 20.Valve body 10 includes in valve chamber.Spool 20 is set
It sets in valve chamber, spool 20 includes spool main body and the ceramic layer being arranged on the outer wall of spool main body.
The technical solution of Application Example one, when powdered dust passes through valve, due to spool main body and valve
It is provided with ceramic layer between body to be sealed, ceramic material has nonabradable performance, therefore the sealing of the valve of the application
Part is less likely to be damaged.The caulking gum that the technical solution of the present embodiment efficiently solves the valve of the prior art is easily damaged
The problem of.
As shown in Figure 1, in the technical solution of embodiment one, the thickness of ceramic layer is in 2.5mm between 3.2mm.In this way
Thickness not only ensure that the intensity, hardness and wear-resisting property of ceramic layer, but also valve will not be caused to be not easy since ceramic layer is blocked up
Processing.Specifically, the thickness of ceramic layer is 3mm in the technical solution of the present embodiment.
As shown in Figure 1, in one technical solution of embodiment, valve body 10 is made of nodular cast iron material.Above structure is processed
Cost is relatively low.
As shown in Figure 1, in the technical solution of embodiment one, spool main body is made of stainless steel material.Above structure
Spool main body service life is longer.Spool main body is stainless steel material, and such material is not easy to get rusty, ashes spool not easy to wear
Main body.
As shown in Figure 1, in the technical solution of embodiment one, valve further includes pneumatic structure, pneumatic structure and spool 20
It is connected, to drive spool 20 to rotate, pneumatic structure is fixed on valve body 10.The valve one of pneumatic structure is that service life is long,
In addition, being become more readily available in power plant's gas.In general the pressure of gas is in 0.4MPa or so.
As shown in Figure 1, in the technical solution of embodiment one, valve further includes pivotal axis, and spool 20 passes through with valve body 10
Axis connection is pivoted, so that spool 20 is around pivot axis.Above structure processing cost is low, is easy to make.
Difference lies in the material of spool main body is made the technical solution and embodiment one of embodiment two of carbon steel.Carbon steel
The cost of manufacture of material is relatively low.In the technical solution of the present embodiment, spool main body is arranged in the inside of ceramic layer, and ceramic layer is complete
When portion surrounds spool main body, time for greatly having delayed spool main body to get rusty.
The valve of embodiment two includes：Valve body 10 and spool 20.Valve body 10 includes in valve chamber.Spool 20 is arranged in valve chamber
Interior, spool 20 includes spool main body and the ceramic layer being arranged on the outer wall of spool main body.
The technical solution of Application Example two, when powdered dust passes through valve, due to spool main body and valve
It is provided with ceramic layer between body to be sealed, ceramic material has nonabradable performance, therefore the sealing of the valve of the application
Part is less likely to be damaged.The caulking gum that the technical solution of the present embodiment efficiently solves the valve of the prior art is easily damaged
The problem of.
In the technical solution of embodiment two, the thickness of ceramic layer is in 2.5mm between 3.2mm.Such thickness was both protected
The intensity, hardness and wear-resisting property of ceramic layer have been demonstrate,proved, and valve will not have been caused not allow easy processing since ceramic layer is blocked up.Specifically
Ground, the thickness of ceramic layer is 3mm in the technical solution of the present embodiment.
In two technical solution of embodiment, valve body 10 is made of nodular cast iron material.Above structure processing cost is relatively low.
In the technical solution of embodiment two, valve further includes pneumatic structure, and pneumatic structure is connected with spool 20, to drive
Movable valve plug 20 rotates, and pneumatic structure is fixed on valve body 10.The valve one of pneumatic structure is that service life is long, in addition, in power plant
Gas becomes more readily available.In general the pressure of gas is in 0.4MPa or so.
In the technical solution of embodiment two, valve further includes pivotal axis, spool 20 with valve body 10 by pivoting axis connection,
So that spool 20 is around pivot axis.Above structure processing cost is low, is easy to make.
Difference lies in valve body 10 is made the technical solution and embodiment one of embodiment three of stainless steel material, such valve
The service life of body 10 is long.
The valve of embodiment three includes：Valve body 10 and spool 20.Valve body 10 includes in valve chamber.Spool 20 is arranged in valve chamber
Interior, spool 20 includes spool main body and the ceramic layer being arranged on the outer wall of spool main body.
The technical solution of Application Example three, when powdered dust passes through valve, due to spool main body and valve
It is provided with ceramic layer between body to be sealed, ceramic material has nonabradable performance, therefore the sealing of the valve of the application
Part is less likely to be damaged.The caulking gum that the technical solution of the present embodiment efficiently solves the valve of the prior art is easily damaged
The problem of.
In the technical solution of embodiment three, the thickness of ceramic layer is in 2.5mm between 3.2mm.Such thickness was both protected
The intensity, hardness and wear-resisting property of ceramic layer have been demonstrate,proved, and valve will not have been caused not allow easy processing since ceramic layer is blocked up.Specifically
Ground, the thickness of ceramic layer is 3mm in the technical solution of the present embodiment.
In the technical solution of embodiment three, valve further includes pneumatic structure, and pneumatic structure is connected with spool 20, to drive
Movable valve plug 20 rotates, and pneumatic structure is fixed on valve body 10.The valve one of pneumatic structure is that service life is long, in addition, in power plant
Gas becomes more readily available.In general the pressure of gas is in 0.4MPa or so.
In the technical solution of embodiment three, valve further includes pivotal axis, spool 20 with valve body 10 by pivoting axis connection,
So that spool 20 is around pivot axis.Above structure processing cost is low, is easy to make.
Present invention also provides a kind of power plant's ash disposal systems, including ash can and the valve for being connected to ash can downstream.Valve is
Above-mentioned valve.Such power plant's ash disposal system service life is longer.Specifically, ash disposal system further includes ash cellar, ash cellar and valve
Door connection, and be arranged in the downstream of valve.The ash can of above structure, valve and ash cellar are simple in structure, and cost of manufacture is relatively low, behaviour
Facilitate.The valve of the application is connect with ash can by first flange.Above-mentioned connection is easy to operate, and processing cost is relatively low.Into
Specifically, valve is connected with ash cellar by pipeline one step, and valve is connected with the first end of pipeline by second flange, pipeline
Second end is connected with ash cellar by third flange.The setting of pipeline makes the setting of valve and ash cellar more flexible, such as valve
Door can change with a distance from ash cellar.The structure that valve is connected with the first end of pipeline by second flange, is processed into
This is relatively low, facilitates checking maintenance.The structure that the second end of pipeline is connected by third flange, processing cost is relatively low, checking maintenance ratio
It is more convenient.It is noted that in the technical solution of the application, the position of ash can is higher than valve, and the position of valve is higher than
Ash cellar can carry out unloading ash by gravity in this way, this cost saved the energy.
The sealing ring of the valve of the prior art, dome-shaped spool are easy to wear and by air source blow loss, and sealing effect is not achieved,
Equipment operation exception is caused, increases maintenance task, wastes financial resources, material resources, manpower, and overhauls inconvenience.The valve of the application
There is no sealing ring, spool to use hidden-type pattern, valve plate is avoided to bear to wash away in (pneumatic ceramic rotating feeding valve), once it opens
Effective large space channel is formed in valve chamber, has streamlined gravity flow to design in valve body, and fluid does not have any obstruction and passes through
Valve chamber.The valve of the application is light, is active in one's movements.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not
Those of be necessarily limited to clearly to list step or unit, but may include not listing clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of valve, which is characterized in that including：
Valve body (10), the valve body (10) includes in valve chamber；
Spool (20), the spool (20) are arranged in the valve chamber, and the spool (20) includes spool main body and is arranged in institute
State the ceramic layer on the outer wall of spool main body；
The valve further includes pivotal axis, and the spool (20) and the valve body (10) are by the pivot axis connection, so that institute
Spool (20) is stated around the pivot axis.
2. valve according to claim 1, which is characterized in that the thickness of the ceramic layer is in 2.5mm between 3.2mm.
3. valve according to claim 1, which is characterized in that the valve body (10) is made of nodular cast iron material.
4. valve according to claim 1, which is characterized in that the spool main body is made of stainless steel material.
5. valve according to claim 1, which is characterized in that the valve further includes pneumatic structure, the pneumatic structure
It is connected with the spool (20), to drive the spool (20) to rotate, the pneumatic structure is fixed on the valve body (10).
6. a kind of power plant's ash disposal system, including ash can and the valve for being connected to the ash can downstream, which is characterized in that the valve
For the valve described in any one of claim 1 to 5.
7. ash disposal system according to claim 6, which is characterized in that the ash disposal system further includes ash cellar, the ash cellar
It connect, and is arranged in the downstream of the valve with the valve.
8. ash disposal system according to claim 7, which is characterized in that the valve is connected with the ash can by first flange
It connects.
9. ash disposal system according to claim 7, which is characterized in that the valve is connected with the ash cellar by pipeline,
The valve is connected with the first end of the pipeline by second flange, and the second end of the pipeline and the ash cellar pass through the
Three flanges are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721214733.0U CN207634760U (en) | 2017-09-20 | 2017-09-20 | Valve and ash disposal system with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721214733.0U CN207634760U (en) | 2017-09-20 | 2017-09-20 | Valve and ash disposal system with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634760U true CN207634760U (en) | 2018-07-20 |
Family
ID=62858174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721214733.0U Active CN207634760U (en) | 2017-09-20 | 2017-09-20 | Valve and ash disposal system with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634760U (en) |
-
2017
- 2017-09-20 CN CN201721214733.0U patent/CN207634760U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |