CN105526373A - High-airtightness coaling valve special for coal gasifier - Google Patents
High-airtightness coaling valve special for coal gasifier Download PDFInfo
- Publication number
- CN105526373A CN105526373A CN201610128275.2A CN201610128275A CN105526373A CN 105526373 A CN105526373 A CN 105526373A CN 201610128275 A CN201610128275 A CN 201610128275A CN 105526373 A CN105526373 A CN 105526373A
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- CN
- China
- Prior art keywords
- valve
- valve body
- coal
- oil
- core shaft
- 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.)
- Granted
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
- F16K3/06—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- 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
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding And Controlling Fuel (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention relates to a coaling valve, in particular to a high-airtightness coaling valve special for a coal gasifier. The high-airtightness coaling valve comprises a valve body of a cylindrical structure, a valve element is arranged in the valve body and formed by fixing two cambered-surface valve plates which are symmetric on a valve element rotating shaft through a connecting mechanism, the cambered-surface valve plates and the inner wall of the valve body are in close contact, the connecting mechanism is of a closed-loop structure formed by hinging a plurality of connecting arms, tension springs are arranged on the connecting arms, with two ends connected with the cambered-surface valve plates, in the connecting mechanism, one end of each tension spring is connected with the valve element rotating shaft through a connecting rod, the valve element rotating shaft is connected with a rotary drive, a multipoint oil drying pump is connected on the wall of the valve body. The high-airtightness coaling valve can guarantee normal opening and closing of the valve element while enabling close contact and zero clearance between the valve body and the valve element.
Description
Technical field
The present invention relates to a kind of coal valve, be specifically related to the special coal valve of a kind of high-air-tightness coal gasifier.
Background technique
At present, coal gasifier coal feeder is valve body, valve core structure, complete coal process by the mutual rotation between valve body and spool, between valve body and spool, leave gap, between gap, realize sealing by butter, but this poor sealing performance, working pressure are low, coal dust is easily piled up, be bonded in gap, causes coal threshold switch not in place even stuck, needs regularly to clear up, namely affect manufacturing efficiency, also improve maintenance cost.
Summary of the invention
According to above deficiency of the prior art, the technical problem to be solved in the present invention is: provide a kind of high-air-tightness coal gasifier special coal valve, under the prerequisite ensureing the action of spool normal switch, makes close contact between valve body and spool, zero clearance.
The special coal valve of high-air-tightness coal gasifier of the present invention, comprise the valve body of cylindrical structure, spool is provided with in valve body, spool to be fixed on valve core shaft by linkage mechanism by two symmetrical cambered surface valve plates and to form, cambered surface valve plate and valve interior wall close contact, linkage mechanism is by the hinged closed loop configuration of some link arms, the link arm that in linkage mechanism, two ends are connected with cambered surface valve plate is provided with tension spring, tension spring one end connects valve core shaft by connecting rod, valve core shaft connects rotary actuation, and valve body wall is connected with multiple grease pump.
During work, rotary actuation drives valve core shaft often to complete a switch cycles action, and under the effect of driving arm and linkage mechanism, spool has rotated a switch coal process relative to valve body, coal valve is in unlatching or while closing, multiple grease pump is to butter of annotating between valve body and cambered surface valve plate.
Preferably, rotary actuation comprises driving oil cylinder and driving arm, and push rod and driving arm one end of driving oil cylinder are hinged, and the driving arm the other end connects valve core shaft, and adopt hydraulic driving, having stable behavior is flexible.
Preferably, the oil cylinder of oil cylinder and multiple grease pump is driven to share a set of hydraulic system, simultaneously for multiple grease pump and driving oil cylinder provide hydraulic oil.
Preferably, multiple grease pump comprises dry oil pump component and fuel reserve tank, dry oil pump component is made up of one or more dry oil pump structure elementary cell, dry oil pump structure elementary cell comprises oil outlet assembly and drive plunger assembly, oil outlet assembly is positioned at the end of drive plunger assembly, oil outlet assembly connects fuel reserve tank by hydraulic oil pipeline, drive plunger assembly is by hydraulic oil pipeline connecting fluid pressing system, plunger in plunger in drive plunger assembly and oil outlet assembly links, this dry oil pump realizes grease and quantitatively fixes a point on time to annotate, and ensure power synchronous or sequentially-operating, for the normal work of zero clearance coal valve provides safeguard.
The beneficial effect that the present invention is compared with prior art had is:
High-air-tightness coal gasifier special coal valve arrangement is simple, under the effect of tension spring, close contact, zero clearance between valve body and spool, tightness is high, coal dust free is piled up, and arranges the synchronous oiling of multiple grease pump, namely serves the lubrication in valve core rotation process, ensure again tightness when valve cuts out, improve manufacturing efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of opening state of the present invention;
Fig. 2 is the structural representation of closed condition of the present invention;
Fig. 3 is the structural representation of multiple grease pump.
In figure: 1, multiple grease pump; 2, oil cylinder is driven; 3, cambered surface valve plate; 4, valve body; 5, driving arm; 6, valve core shaft; 7, linkage mechanism; 8, tension spring; 9, hydraulic system; 10, oil outlet assembly; 11, adjusting sleeve; 12, fuel reserve tank; 13, drive plunger assembly.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described further:
As depicted in figs. 1 and 2, the special coal valve of high-air-tightness coal gasifier comprises the valve body 4 of cylindrical structure, spool is provided with in valve body 4, spool to be fixed on valve core shaft 6 by linkage mechanism 7 by two symmetrical cambered surface valve plates 3 and to form, cambered surface valve plate 3 and valve body 4 inwall close contact, linkage mechanism 7 is by the hinged closed loop configuration of some link arms, the link arm that linkage mechanism 7 two ends are connected with cambered surface valve plate 3 is provided with tension spring 8, tension spring 8 one end connects valve core shaft 6 by connecting rod, valve core shaft 6 connects rotary actuation, valve body 4 wall is connected with multiple grease pump 1.
Rotary actuation comprises driving oil cylinder 2 and driving arm 5, and push rod and driving arm 5 one end of driving oil cylinder 2 are hinged, and driving arm 5 the other end is fixedly connected with valve core shaft 6.
Oil cylinder 2 and multiple grease pump 1 is driven to share a set of hydraulic system 9.
As shown in Figure 3, multiple grease pump 1 comprises dry oil pump component and fuel reserve tank 12, dry oil pump component is made up of one or more dry oil pump structure elementary cell, dry oil pump structure elementary cell comprises oil outlet assembly 10 and drive plunger assembly 13, oil outlet assembly 10 is positioned at the end of drive plunger assembly 13, oil outlet assembly 10 connects fuel reserve tank 12 by hydraulic oil pipeline, drive plunger assembly 13 is by hydraulic oil pipeline connecting fluid pressing system 9, and the plunger in the plunger in drive plunger assembly 13 and oil outlet assembly 10 links.
Oil outlet assembly 10 is contained in dry oil pump pedestal by adjusting sleeve 11, adjusting sleeve 11 can adjust the setting depth of nozzle component 10 in dry oil pump pedestal, the effective travel of plunger in nozzle component 10 is adjusted by adjustment setting depth, the effective travel of plunger determines the effective discharge of plunger, thus achieves the variable of dry oil pump.
According to practical working situation, the oiling point of multiple grease pump 1 is distributed in multiple location points of valve body 4 and cambered surface valve plate 3 close contact.
The link arm that linkage mechanism 7 two ends are connected with cambered surface valve plate 3 is U-shaped, and the U-shaped link arm at two ends is hinged by hinged link arm, and the articulating point of the arm that is articulated and connected is connected with valve core shaft 6 by connecting rod.
Cambered surface valve plate 3 under the effect of tension spring 8 with valve body 4 inwall close contact, realize zero clearance, in working procedure, during valve opening, oil cylinder 2 is driven to promote driving arm 5, driving arm 5 drives valve core shaft 6 to rotate, valve core shaft 6 acts on linkage mechanism 7 simultaneously, linkage mechanism 7 makes cambered surface valve plate 3 pairs of tension springs 8 produce a reaction force, and between such cambered surface valve plate 3 and valve body 4 inwall, pressure reduces, and has the trend forming gap, simultaneously, multiple grease pump 1 priority task, to annotate a butter at the best filling-up area of opening direction, contributes to valve core rotation; During valve closing, oil cylinder 2 is driven to pull driving arm 5, driving arm 5 drives valve core shaft 6 to rotate, and valve core shaft 6 acts on linkage mechanism 7 simultaneously, and linkage mechanism 7 makes cambered surface valve plate 3 pairs of tension springs 8 produce a reaction force, between such cambered surface valve plate 3 and valve body 4 inwall, pressure reduces, there is the trend forming gap, meanwhile, multiple grease pump 1 priority task, to annotate a butter at the best filling-up area of closing direction, contribute to valve core rotation.
The working procedure of multiple grease pump 1 is: hydraulic oil is injected hydraulically driven ram assembly 13 by hydraulic oil pipeline by hydraulic system 9, plunger in drive plunger assembly 13 moves reciprocatingly, drive the plunger interlock of oil outlet assembly 10 simultaneously, under vacuum force, hydraulic oil in fuel reserve tank 12 sucks in oil outlet assembly 10, under the extruding of plunger, hydraulic oil is extruded from oil outlet again, for zero clearance coal valve.
Multiple grease pump 1 to the effect of butter of annotating between valve body 4 and cambered surface valve plate 3 is: 1, butter is opening and closing the effect playing lubrication in course of action; 2, butter plays the effect of sealing when closing.
Claims (4)
1. the special coal valve of high-air-tightness coal gasifier, comprise the valve body (4) of cylindrical structure, valve body is provided with spool in (4), it is characterized in that: spool to be fixed on valve core shaft (6) by linkage mechanism (7) by two symmetrical cambered surface valve plates (3) and to form, cambered surface valve plate (3) and valve body (4) inwall close contact, linkage mechanism (7) is by the hinged closed loop configuration of some link arms, the link arm that linkage mechanism (7) two ends are connected with cambered surface valve plate (3) is provided with tension spring (8), tension spring (8) one end connects valve core shaft (6) by connecting rod, valve core shaft (6) connects rotary actuation, valve body (4) wall is connected with multiple grease pump (1).
2. the special coal valve of high-air-tightness coal gasifier according to claim 1, it is characterized in that: described rotary actuation comprises driving oil cylinder (2) and driving arm (5), push rod and driving arm (5) one end of driving oil cylinder (2) are hinged, and driving arm (5) the other end connects valve core shaft (6).
3. the special coal valve of high-air-tightness coal gasifier according to claim 2, is characterized in that: described driving oil cylinder (2) and multiple grease pump (1) share a set of hydraulic system (9).
4. the special coal valve of high-air-tightness coal gasifier according to claim 3, it is characterized in that: described multiple grease pump (1) comprises dry oil pump component and fuel reserve tank (12), dry oil pump component is made up of one or more dry oil pump structure elementary cell, dry oil pump structure elementary cell comprises oil outlet assembly (10) and drive plunger assembly (13), oil outlet assembly (10) is positioned at the end of drive plunger assembly (13), oil outlet assembly (10) connects fuel reserve tank (12) by hydraulic oil pipeline, drive plunger assembly (13) is by hydraulic oil pipeline connecting fluid pressing system (9), plunger in plunger in drive plunger assembly (13) and oil outlet assembly (10) links.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610128275.2A CN105526373B (en) | 2016-03-07 | 2016-03-07 | The special coal valve of high-air-tightness coal gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610128275.2A CN105526373B (en) | 2016-03-07 | 2016-03-07 | The special coal valve of high-air-tightness coal gasifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105526373A true CN105526373A (en) | 2016-04-27 |
| CN105526373B CN105526373B (en) | 2018-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610128275.2A Active CN105526373B (en) | 2016-03-07 | 2016-03-07 | The special coal valve of high-air-tightness coal gasifier |
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| Country | Link |
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| CN (1) | CN105526373B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB806752A (en) * | 1956-04-03 | 1958-12-31 | Power Gas Ltd | Improvements in or relating to charging devices for shaft furnaces or the like |
| US4106748A (en) * | 1976-08-25 | 1978-08-15 | Nishinippon Engineering Co., Ltd. | Valve with two valve plates |
| CN201195719Y (en) * | 2008-03-27 | 2009-02-18 | 杨更辰 | Pre-heating automatic coke charging machine |
| CN201400663Y (en) * | 2009-05-05 | 2010-02-10 | 刘志禹 | Coal feeding mechanism of coal gas producer |
| CN102954232A (en) * | 2011-08-30 | 2013-03-06 | 扬州高标机械有限公司 | Omni-sealed wear-resistant cambered gate for waste heat recovery and power generation |
| CN204828800U (en) * | 2015-06-19 | 2015-12-02 | 邓姗 | Discharge gate opening and closing structure |
| CN205401777U (en) * | 2016-03-07 | 2016-07-27 | 张业庆 | Special coal valve of high gas tightness coal gasifier |
-
2016
- 2016-03-07 CN CN201610128275.2A patent/CN105526373B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB806752A (en) * | 1956-04-03 | 1958-12-31 | Power Gas Ltd | Improvements in or relating to charging devices for shaft furnaces or the like |
| US4106748A (en) * | 1976-08-25 | 1978-08-15 | Nishinippon Engineering Co., Ltd. | Valve with two valve plates |
| CN201195719Y (en) * | 2008-03-27 | 2009-02-18 | 杨更辰 | Pre-heating automatic coke charging machine |
| CN201400663Y (en) * | 2009-05-05 | 2010-02-10 | 刘志禹 | Coal feeding mechanism of coal gas producer |
| CN102954232A (en) * | 2011-08-30 | 2013-03-06 | 扬州高标机械有限公司 | Omni-sealed wear-resistant cambered gate for waste heat recovery and power generation |
| CN204828800U (en) * | 2015-06-19 | 2015-12-02 | 邓姗 | Discharge gate opening and closing structure |
| CN205401777U (en) * | 2016-03-07 | 2016-07-27 | 张业庆 | Special coal valve of high gas tightness coal gasifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105526373B (en) | 2018-08-10 |
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