CN110081178A - Valve component and ash-transmission system with it - Google Patents
Valve component and ash-transmission system with it Download PDFInfo
- Publication number
- CN110081178A CN110081178A CN201910334449.4A CN201910334449A CN110081178A CN 110081178 A CN110081178 A CN 110081178A CN 201910334449 A CN201910334449 A CN 201910334449A CN 110081178 A CN110081178 A CN 110081178A
- Authority
- CN
- China
- Prior art keywords
- valve
- ash
- opening
- valve body
- chamber
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The present invention provides a kind of valve component and with its ash-transmission system.The valve component includes valve body and valve deck, and valve body has an opening for defeated ash, and valve deck is movably disposed in opening, and valve deck has an open position for the opening that will be open, and with by the closed position of closure of openings；At least one of valve deck and valve body offer ventilation unit, and when valve deck is located at closed position, ventilation unit leads to air-flow between valve body and valve deck.By the way that ventilation unit is arranged on valve body or valve deck, air flow guiding is improved air-tightness when valve deck is located at closed position and mitigate the service life of valve deck abrasion extension valve deck in opening the impurity of opening to be blown off by air-flow by ventilation unit.
Description
Technical field
The present invention relates to boiler auxiliary equipment technical fields, in particular to a kind of valve component and with the defeated of its
Ash system.
Background technique
In the prior art, pneumatic transporting ash cellar pump inlet valve sealing mostly uses soft rubber to seal, after storehouse pumps and feeds, into
Expect that valve will close, compressed air valve and defeated grey valve open defeated ash outward.Due to inlet valve sealing structure, in defeated grey process
High pressure gas-solid mixture in middle storehouse pump will alter ash above the inlet valve to low pressure, after running after a period of time, cause to feed
Being seriously worn for valve sealing, finally loses sealing function, makes storehouse pump that can not work.
Summary of the invention
The main purpose of the present invention is to provide a kind of valve component and with its ash-transmission system, to solve the prior art
Middle valve component is easy the problem into grey leakproofness difference.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of valve component, comprising: valve body, valve
Body has the opening for defeated ash；Valve deck, valve deck are movably disposed in opening, and valve deck has the open position opened that will be open
It sets, and with by the closed position of closure of openings；At least one of valve deck and valve body offer ventilation unit, when valve deck is located at
When closed position, ventilation unit leads to air-flow between valve body and valve deck.
Further, ventilation unit includes: ventilation slot, and ventilation slot is opened in the side of the direction opening of valve deck；Outlet section, out
Wind portion is connected with ventilation slot, and air-flow is imported into ventilation slot.
Further, ventilation slot is ring structure, when valve deck is located at closed position, the cell wall edge of valve body and ventilation slot
It abuts against.
Further, outlet section includes: appendix, and the air outlet of appendix is connected with ventilation slot, the air inlet of appendix
Mouth is pierced by and is in communication with the outside by the inner wall of ventilation slot.
Further, valve body includes: valve body, and valve body has opening；Sealing, sealing position work as valve in opening
When lid is located at closed position, the cell wall edge of sealing and ventilation slot is abutted against.
Further, valve body has accommodating chamber, is opened in the middle part of valve body, and the cavity wall of valve deck and accommodating chamber can
It is flexibly connected.
Further, accommodating chamber includes: the first chamber, and the first chamber is located at the top of opening, along the axis of the first chamber, the first chamber
The diameter of cavity wall gradually become smaller by top to lower part；Second chamber, the first chamber are connected with the second chamber, and the second chamber is located at opening
Lower part.
According to another aspect of the present invention, a kind of ash-transmission system, including valve component are provided, valve component is above-mentioned
Valve component.
Further, ash-transmission system includes: storehouse pump, and there is storehouse pump the defeated ash cellar being connected and ash inlet, valve body to be set to
At ash inlet；Air supply passage, air supply passage are connected with the inner cavity that storehouse pumps, to convey the ash in defeated ash cellar by compressed air,
Wherein, the defeated grey pressure in defeated ash cellar is P1, and the pressure in ventilation slot is P2, P1 < P2.
Further, δ=P2-P1, δ ∈ [0.05MPa, 0.1MPa].
It applies the technical scheme of the present invention, by the way that ventilation unit is arranged on valve body or valve deck, is led air-flow by ventilation unit
Stream improves air-tightness and the mitigation when valve deck is located at closed position in opening, the impurity of opening to blow off by air-flow
Valve deck abrasion extends the service life of valve deck.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of ash-transmission system in the prior art；
The structural representation of embodiment when being located at closed position Fig. 2 shows the valve deck of valve component according to the present invention
Figure；
The structural representation of embodiment when the valve deck that Fig. 3 shows valve component according to the present invention is located at open position
Figure.
Wherein, the above drawings include the following reference numerals:
1, dust collector ash hopper；2, gas balanced valve；3, level-sensing device；4, storehouse pumps；5, outlet valve；6, pressure gauge；7, ash conveying pipe；
8, manually gate valve；9, inlet valve；10, compressed air aeration valve；
20, valve body；21, valve body；22, sealing；23, accommodating chamber；231, the first chamber；232, the second chamber；24, it is open；
30, valve deck；
40, ventilation unit；41, ventilation slot；42, appendix.
Specific embodiment
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 present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific embodiment, 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 singular
Also it is 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 their combination.
It should be noted that term " first ", " second " etc. in the description and claims of this application and attached drawing
It is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that the art used in this way
Language is interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to illustrating herein
Or the sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... 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, being described as if the device in attached drawing is squeezed " 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 be positioned with other different modes and (is rotated by 90 ° or 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 it is thoroughly and complete to these embodiments are provided so that disclosure herein, 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, it is possible to expand
The big thickness of layer and region, and make that identical device is presented with like reference characters, thus omission retouches them
It states.
In conjunction with shown in Fig. 2 to Fig. 3, according to an embodiment of the invention, providing a kind of valve component.
As shown in Fig. 2, the valve component includes valve body 20 and valve deck 30, valve body 20 has the opening 24 for defeated ash, valve
Lid 30 is movably disposed at opening 24, and valve deck 30 has 24 open positions opened that will be opens, and with will be open 24
Closed closed position；At least one of valve deck 30 and valve body 20 offer ventilation unit 40, when valve deck 30 is located at closed position
When, ventilation unit 40 leads to air-flow between valve body 20 and valve deck 30.
In the present embodiment, by the way that ventilation unit is arranged on valve body or valve deck, air flow guiding is being open by ventilation unit
Place improves air-tightness when valve deck is located at closed position and mitigates valve deck abrasion so that the impurity of opening to be blown off by air-flow
Extend the service life of valve deck.
Further, ventilation unit 40 includes: ventilation slot 41 and outlet section, and ventilation slot 41 is opened in the direction opening of valve deck 30
24 side, outlet section are connected with ventilation slot 41, air-flow are imported into ventilation slot 41.Air-flow imported into logical by outlet section
In wind groove, so as to have air-flow between the valve body 20 and valve deck 30 adjacent with ventilation slot, the impurity of opening is blown by air-flow
From to improve air-tightness when valve deck is located at closed position.
In the present embodiment, ventilation slot 41 is ring structure, when valve deck 30 is located at closed position, valve body 20 and ventilation slot
41 cell wall edge abuts against.By setting ring structure for ventilation slot 41, can be adapted to the annular of valve deck 30 and valve body 20
Contact site blows clean its dust, airtight between valve deck 30 and valve body 20 when improving valve deck and being located at closed position
Property.
As shown in Fig. 2, outlet section includes: appendix 42, the air outlet of appendix 42 is connected with ventilation slot 41, appendix
42 air inlet is pierced by and is in communication with the outside by the inner wall of ventilation slot 41.External air flow is drained to ventilation slot 41 by appendix 42
Interior, wherein appendix 42 is hose, and one end of appendix is connected with copper connector, the bottom wall screw thread company of connector and ventilation slot
It connects.
Further, valve body 20 includes: valve body 21 and sealing 22, and valve body 21 has an opening 24, and sealing 22
In being open at 24, when valve deck 30 is located at closed position, sealing 22 and the cell wall edge of ventilation slot 41 are abutted against.
As shown in Figures 2 and 3, valve body 21 has accommodating chamber 23, and opening 24 is opened in the middle part of valve body 21, valve deck 30
With the movable connection of cavity wall of accommodating chamber 23.By 24 middle parts for being opened in valve body 21 that will be open, so that the top of valve deck 30
Has the function of water conservancy diversion ash to predeterminated position to the drainage of opening 24 and the lower section of valve deck 30 with water conservancy diversion ash.Specifically
Ground, accommodating chamber 23 include the first chamber 231 and the second chamber 232, and the first chamber 231 is located at the top of opening 24, along the axis of the first chamber 231
The diameter of line, the cavity wall of the first chamber 231 is gradually become smaller by top to lower part, and the first chamber 231 is connected with the second chamber 232, and second
Chamber 232 is located at the lower part of opening 24.
According to another embodiment of the present invention, a kind of ash-transmission system, including valve component are provided, valve component is above-mentioned
The valve component of embodiment.
Wherein, ash-transmission system includes: storehouse pump and air supply passage, and storehouse pump has the defeated ash cellar being connected and ash inlet, valve body
20 are set at ash inlet, and air supply passage is connected with the inner cavity that storehouse pumps, to convey the ash in defeated ash cellar by compressed air,
In, the defeated grey pressure in defeated ash cellar is P1, and the pressure in ventilation slot 41 is P2, P1 < P2.It is arranged in this way so that in ventilation slot 41
Gas pressure be higher than defeated ash cellar in gas pressure, avoid the ash in defeated ash cellar and be reversed in inspiration ventilation slot 41.Preferably,
δ=P2-P1, δ ∈ [0.05MPa, 0.1MPa].
Abrasion of the gas-solid mixture to sealing is prevented after installing ventilation unit additional, extends service life, it is strong to reduce personnel's labour
Degree saves operation and the cost of overhaul.
As shown in Figure 1, the entire defeated grey process of the prior art is as follows: outlet valve 5 is automatically closed in system and compressed air is mended
Air valve 10 opens the ash in gas balanced valve 2 and inlet valve 9, dust collector ash hopper 1 by being gravitationally fallen in storehouse pump 4, in storehouse pump 4
Air flows in deduster by gas balanced valve, after a period of time, level-sensing device 3 detect after the conveying material position of storehouse pump system from
It is dynamic to close gas balanced valve 2 and inlet valve 9, outlet valve 5 and compressed air aeration valve 10 are opened, the external defeated ash of ash conveying pipe 7 is passed through.
Wherein manually gate valve 8 is normally open in the process of running.Defeated ash and line clogging situation are detected with defeated grey pressure gauge 6.One
As compressed air pressure be 0.6MPa, it is defeated ash pressure be 0.4MPa.After defeated grey gage pressure is down to 50KPa, system thinks
Ash in the pump of storehouse, which has conveyed, to be finished, and subsequent cycle is started.
Grey bring sealing wear Problem of Failure is pressed from both sides to solve inlet valve valve deck 30, the present invention provides a kind of pneumatic transporting ash cellar
Inlet valve strength auxiliary sealing device, that is, valve component is pumped, which is directed at the position of sealing 22 on inlet valve valve plate, that is, valve deck
It sets and opens up an annular groove i.e. ventilation slot 41, inject clean compressed air into annular groove by compressed-air hose.Before transporting will
Sealing is accumulated in be blown down with valve deck, at the same with conveying wind pressure keep certain pressure difference, the differential pressure be 0.05MPa extremely
0.1MPa.Abrasion of the gas-solid mixture to sealing is prevented after installation, extends service life, reduces personnel labor intensity, saves fortune
The capable and cost of overhaul.
Than that described above, it is also necessary to which explanation is " one embodiment " spoken of in the present specification, " another implementation
Example ", " embodiment " etc. refer to that specific features, structure or the feature of embodiment description is combined to be included in the application summary
Property description at least one embodiment in.It is not centainly to refer to the same reality that statement of the same race, which occur, in multiple places in the description
Apply example.Furthermore, it is understood that is advocated is knot when describing a specific features, structure or feature in conjunction with any embodiment
Other embodiments are closed to realize that this feature, structure or feature are also fallen within the scope of the present invention.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of valve component characterized by comprising
Valve body (20), the valve body (20) have the opening (24) for defeated ash；
Valve deck (30), the valve deck (30) are movably disposed at the opening (24), and the valve deck (30) has will be described
The open position for (24) opening that is open, and have described opening (24) closed closed position；
At least one of the valve deck (30) and the valve body (20) offer ventilation unit (40), when the valve deck (30) is located at
When the closed position, the ventilation unit (40) leads to air-flow between the valve body (20) and the valve deck (30).
2. valve component according to claim 1, which is characterized in that the ventilation unit (40) includes:
Ventilation slot (41), the ventilation slot (41) are opened in the side towards the opening (24) of the valve deck (30)；
Outlet section, the outlet section are connected with the ventilation slot (41), and air-flow is imported into the ventilation slot (41).
3. valve component according to claim 2, which is characterized in that the ventilation slot (41) is ring structure, when described
When valve deck (30) is located at the closed position, the valve body (20) and the cell wall edge of the ventilation slot (41) are abutted against.
4. valve component according to claim 2, which is characterized in that the outlet section includes:
The air outlet of appendix (42), the appendix (42) is connected with the ventilation slot (41), the appendix (42)
Air inlet is pierced by and is in communication with the outside by the inner wall of the ventilation slot (41).
5. valve component according to claim 2, which is characterized in that the valve body (20) includes:
Valve body (21), the valve body (21) have the opening (24)；
Sealing (22), the sealing (22) is located at the opening (24), when the valve deck (30) are located at the close stance
When setting, the sealing (22) and the cell wall edge of the ventilation slot (41) are abutted against.
6. valve component according to claim 5, which is characterized in that the valve body (21) has accommodating chamber (23), institute
The middle part that opening (24) is opened in the valve body (21) is stated, the valve deck (30) and the cavity wall of the accommodating chamber (23) are movable
Connection.
7. valve component according to claim 6, which is characterized in that the accommodating chamber (23) includes:
First chamber (231), first chamber (231) is located at the top of the opening (24), along the axis of first chamber (231)
The diameter of line, the cavity wall of first chamber (231) is gradually become smaller by top to lower part；
Second chamber (232), first chamber (231) are connected with second chamber (232), and second chamber (232) is located at institute
State the lower part of opening (24).
8. a kind of ash-transmission system, including valve component, which is characterized in that the valve component is any one of claim 2 to 5 institute
The valve component stated.
9. ash-transmission system according to claim 8, which is characterized in that the ash-transmission system includes:
There is the defeated ash cellar being connected and ash inlet, the valve body (20) to be set at the ash inlet for storehouse pump, the storehouse pump；
Air supply passage, the air supply passage are connected with the inner cavity that the storehouse pumps, to convey the defeated ash cellar by compressed air
Interior ash, wherein the defeated grey pressure in the defeated ash cellar is P1, and the pressure in the ventilation slot (41) is P2, P1 < P2.
10. ash-transmission system according to claim 9, which is characterized in that δ=P2-P1, δ ∈ [0.05MPa, 0.1MPa].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910334449.4A CN110081178A (en) | 2019-04-24 | 2019-04-24 | Valve component and ash-transmission system with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910334449.4A CN110081178A (en) | 2019-04-24 | 2019-04-24 | Valve component and ash-transmission system with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110081178A true CN110081178A (en) | 2019-08-02 |
Family
ID=67416438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910334449.4A Pending CN110081178A (en) | 2019-04-24 | 2019-04-24 | Valve component and ash-transmission system with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110081178A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0895011A2 (en) * | 1997-07-29 | 1999-02-03 | The Clarkson Company | Gate valve |
| CN206268470U (en) * | 2016-12-04 | 2017-06-20 | 合肥合意环保机电装备制造有限公司 | A kind of dry type weight unloading valve |
| CN207406807U (en) * | 2017-10-26 | 2018-05-25 | 兰州高压阀门有限公司 | The input end valve base sealing structure of blowing gate valve |
-
2019
- 2019-04-24 CN CN201910334449.4A patent/CN110081178A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0895011A2 (en) * | 1997-07-29 | 1999-02-03 | The Clarkson Company | Gate valve |
| CN206268470U (en) * | 2016-12-04 | 2017-06-20 | 合肥合意环保机电装备制造有限公司 | A kind of dry type weight unloading valve |
| CN207406807U (en) * | 2017-10-26 | 2018-05-25 | 兰州高压阀门有限公司 | The input end valve base sealing structure of blowing gate valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204250987U (en) | A kind of waterproofing membrane production powder Automatic Conveying device | |
| CN101706026A (en) | Air inflation sealing device for pipeline connection | |
| CN103341460B (en) | Composite hub bearing automatic cleaning machine | |
| CN206842527U (en) | Cement blast system | |
| CN110081178A (en) | Valve component and ash-transmission system with it | |
| CN206384574U (en) | A kind of air-transport system | |
| CN203959329U (en) | A kind of Pneumatic conveyer | |
| CN206985170U (en) | Pneumatic material conveying system storehouse pump installation | |
| CN203862050U (en) | Special dust removing machine for sticky dust | |
| CN109821678B (en) | Be applied to powder pump of powder spraying production line | |
| CN204643168U (en) | A kind of powder continus convergence pumping system | |
| CN207905662U (en) | A kind of sand blasting room air heave type sealing maintenance door | |
| CN202972045U (en) | Elastic rubber pipe type one-way valve used in multi-dust environment | |
| CN107549864B (en) | Expanded tobacco carbon dioxide recovery device and method | |
| CN207632115U (en) | A kind of coal gasification pneumatic ash transmitting system | |
| CN102966770A (en) | Elastic rubber type check valve for multi-dust environment | |
| CN207467713U (en) | A kind of material suction device preventing clogging up device | |
| CN209254334U (en) | A kind of novel pulse deduster | |
| CN207243453U (en) | A kind of petroleum vapor recovery valve, petroleum vapor recovery pipeline and tank car | |
| CN104176502A (en) | Spring feeder | |
| CN208602785U (en) | Blowing device | |
| CN206965382U (en) | Steel surface handles dust collecting device of shot blasting machine | |
| CN208761672U (en) | A kind of pneumatic delivery bin pump of sealing device in pump | |
| CN104437906A (en) | Automatic discharging device for cyclone separator and control method thereof | |
| CN109269740A (en) | Sebific duct device for detecting sealability |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190802 |
|
| RJ01 | Rejection of invention patent application after publication |