CN201992175U - Pneumatic slag discharge valve - Google Patents
Pneumatic slag discharge valve Download PDFInfo
- Publication number
- CN201992175U CN201992175U CN2010206701356U CN201020670135U CN201992175U CN 201992175 U CN201992175 U CN 201992175U CN 2010206701356 U CN2010206701356 U CN 2010206701356U CN 201020670135 U CN201020670135 U CN 201020670135U CN 201992175 U CN201992175 U CN 201992175U
- Authority
- CN
- China
- Prior art keywords
- valve
- flashboard
- cylinder
- solenoid directional
- module
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Fluid-Driven Valves (AREA)
Abstract
The utility model relates to a pneumatic slag discharge valve, which comprises a slag discharge valve, a driving mechanism, a position sensor unit, a support and a central control room, wherein the slag discharge valve comprises a valve body and a movable gate, and a channel is arranged on the valve body; a diversion hole is arranged on the gate, and a sealing device is arranged between the gate and the valve body; a furnace bottom flange is arranged on one end surface of the channel, and a pipeline flange is arranged on the other end surface of the channel; the driving mechanism comprises a compressed air source, a solenoid reversing valve, a cylinder, a piston arranged in the cylinder, and a piston rod, and the piston divides the cylinder into a first air chamber and a second air chamber; a first air channel is communicated with the first air chamber, and a second air channel is communicated with the second air chamber; and the position sensor unit comprises a position sensor and a positioning ring. The technical problems that molten slag can not be discharged, and the valve can not be automatically opened or closed can be solved. The pneumatic slag discharge valve can be continuously and automatically controlled to be opened and closed, and the opening and closing time of the valve can be detected in real time.
Description
Technical field
The present invention relates to a kind of slag-off valve that can regularly discharge the molten state lime-ash automatically.
Background technique
The gasification oven of fine coal dry method direct gasification system needs regularly discharge automatically from the bottom lime-ash of molten state, but does not have that suitable valve can realize continuously, the control of automatic valve opening and closing state.
Summary of the invention
The object of the invention provides a kind of pneumatic type slag-off valve, it can be realized continuously, the keying of control valve automatically, and can detect the opening and closing time of valve in real time, solve automatic on-off that existing valve can't be used to discharge the molten state lime-ash, can't realize valve, detected inconvenient technical problem.
Technical solution of the present invention:
A kind of pneumatic type slag-off valve,
Its special way is:
Comprise slag-off valve, driving mechanism, position sensor unit, support 5, be used for the central control room of the action of controlling and driving mechanism;
Described slag-off valve comprises that valve body 3, substantially horizontal are arranged on the movable flashboard 1 in the valve body 3, described valve body 3 is provided with the passage 15 of Vertical direction, described flashboard 1 is provided with the pod apertures 16 that shape and passage 15 sectional shapes are complementary, and is provided with seal arrangement between described flashboard 1 and the valve body 3; One end face of described passage 15 is provided with furnace bottom flange 14, and its other end is provided with piping flange 2;
Described driving mechanism comprises source of compressed air 21, solenoid directional control valve 23, cylinder 7, is arranged on the piston rod 6 that piston 8, an end and piston in the cylinder 7 are connected; Described piston 8 is divided into first air chamber 27 and second air chamber 26 with cylinder 7, described source of compressed air 21 communicates with the inlet 22 of solenoid directional control valve 23, first air flue 24 of described solenoid directional control valve communicates with first air chamber 27, and second air flue 25 of described solenoid directional control valve communicates with second air chamber 26;
One end and the cylinder 7 of described support 5 are connected, and its other end and valve body 3 are connected; The other end of described piston rod 6 and flashboard 1 are connected;
Described position sensor unit comprises position transducer 9 and positioning ring 28; Described positioning ring 28 is arranged on the piston rod, and the described sensor 9 of putting can responsive flashboard be opened or pairing positioning ring position when closed fully, and described position transducer 9 links to each other with central control room.
Be provided with thermal baffle between above-mentioned valve body and the support.
Above-mentioned seal arrangement comprises and is arranged on the hollow metal O shape ring 12 around the passage 15 and is arranged on the peripheral stuffing box packing 13 of hollow metal O shape ring.
Above-mentioned piston rod 6 and flashboard 1 are to be fixed together by bearing pin 11.
Above-mentioned solenoid directional control valve is two five-way electromagnetic valves.
Above-mentioned position transducer 9 is the induction type limit switch.
Above-mentioned central control room comprises digital signal acquiring module 30, timing control module 32 and the electromagnetic valve module 33 that connects successively; The output signal of described digital signal acquiring module collection position sensor 9 also is transferred to the timing control module, described timing control module is used for the blanking time of two actions of control valve and sends a signal to the electromagnetic valve module, the SC sigmal control solenoid directional control valve commutation that described electromagnetic valve module sends according to the timing control module that receives.
The beneficial effect that the present invention had:
1, the present invention is provided with position sensor unit, central control room and solenoid directional control valve, position sensor unit is transmitted detected piston rod position signal to central control room, central control room goes moving up and down of control cylinder piston through handling by solenoid directional control valve after receiving signal, realize keying continuous, automatic control valve, and can detect the opening and closing time of valve in real time.
2, the present invention makes and realizes forced seal between valve body and the flashboard, and can improve the overall reliability of slag-off valve by hollow metal O shape ring is set between valve body and flashboard.
3, the present invention can seal 750 ℃ coal gas of high temperature and semicoke lime-ash, also can regularly discharge the lime-ash that powder coal gasification furnace constantly produces automatically, can use the coherent detection instrument to position signal gather, function such as storage, and unite use with the two-position five-way solenoid directional control valve, can realize this valve do action at central control room.Simultaneously, can monitor valve open/shut-in time, guarantee the valve proper functioning by position signal.
4, the present invention is the consideration of uniting of pneumatic, electromagnetism, sensing and observation and control technology, makes the monitoring of valve running state, control more effective; Pneumatic actuator, two-position five-way solenoid directional control valve and position transducer are integrated on the valve simultaneously, have optimized structure, process and install very convenient; Can detect position signal, for the monitoring of valve, diagnosis and automatically control convenience is provided.
Description of drawings
Structural representation when Fig. 1 opens for the flashboard of slag-off valve of the present invention; Fig. 1 should be clockwise 90 ° during the slag-off valve as installed;
Fig. 2 is the flashboard of slag-off valve of the present invention structural representation when closed;
Fig. 3 is a control block diagram of the present invention;
Reference character is: 1-flashboard, 2-piping flange, 3-valve body, 4-thermal baffle, the 5-support, 6-piston rod, 7-cylinder, 8-piston, the 9-position transducer, 11-bearing pin, 12-hollow metal O shape ring, 13-stuffing box packing, 14-furnace bottom flange, 15-passage, 16-pod apertures, 21-compressed air gas source, 22-electromagnetic switch valve inlet, 23-solenoid directional control valve, 24-first air flue, 25-second air flue, 26-second air chamber, 27-first air chamber, 28-positioning ring.
Embodiment
As shown in Figure 1, a kind of pneumatic type slag-off valve, comprise slag-off valve, driving mechanism, position sensor unit and central control room, slag-off valve and driving mechanism are fixed together by support 5, slag-off valve comprises flashboard 1, valve body 3, hollow metal O shape ring 12, stuffing box packing 13, be provided with slagging channel in the valve body 3, flashboard 1 motion realizes slagging channel opening and closing in the valve body 3.Driving mechanism is controlled the keying of slag-off valve by the motion that drives flashboard 1, position sensor unit is arranged on the support, central control room is connected with position sensor unit, position sensor unit can responsive piston rod action message and send into central control room, central control room is used for the action of controlling and driving mechanism.Driving mechanism comprise compressed air gas source, pneumatic mechanism and be connected compressed air gas source and pneumatic mechanism between be used to control the solenoid directional control valve of pneumatic mechanism action; Solenoid directional control valve is two five-way electromagnetic valves; Pneumatic mechanism comprises cylinder, is arranged on the piston in the cylinder, and piston links to each other with piston rod, and piston rod links to each other by bearing pin with flashboard, and the cylinder inner cavity of piston both sides links to each other with solenoid directional control valve with second air flue by first air flue respectively.Position sensor unit comprises can responsive flashboard complete opening or the position transducer and the positioning ring of pairing piston rod position when closed; Position transducer is the induction type limit switch, it is fixed on the support and aims at piston rod 6, be used for detecting the valve open aperture, and the feedback position signal is used for monitoring valve open/shut-in time, the length of positioning ring should guarantee that valve is opened fully or when closed fully, the output signal of position transducer can both change.Central control room comprises digital signal acquiring module 30, timing control module 32 and the electromagnetic valve module 33 that connects successively; The output signal variation of digital signal acquiring module collection position sensor 9 also is transferred to timing control module 32, the timing control module is used for the blanking time of two actions of control valve and sends a signal to the electromagnetic valve module, the SC sigmal control solenoid directional control valve commutation that the electromagnetic valve module sends according to the timing control module that receives.
Working procedure of the present invention:
When cylinder 7 was not worked, pressurized air entered cylinder 7 epicoeles by two-position five-way solenoid directional control valve 23, pushed piston 8 to cylinder 7 cavity of resorptions one side, made piston rod 6 drive flashboard 1 with valve open by bearing pin 11; And when commutating under the control of two-position five-way solenoid directional control valve 23 at central control room, pressurized air enters cylinder 7 cavity of resorptions, and cylinder piston 8 is to cylinder 7 epicoeles one side shifting, and cylinder piston rod 6 drives flashboard 1 action by bearing pin 11, closes fully up to valve.
When primary importance sensor 9 changes high level again by low level, can detect valve and be in the pass closed procedure, when position transducer 9 changes low level by high level again, can be in buttoned-up status by detection place valve.The feedback signal of position transducer 9 can be used to monitoring and control valve opening/closing time simultaneously.
When valve working, control system powers on, pick up counting by " timing control module ", position transducer 9 is in low level at this moment, after the time is accumulated to predetermined interval t1, " electromagnetic valve module " control " solenoid directional control valve " commutation, pneumatic mechanism begins action, and valve begins to open.This moment, position transducer 9 transferred high level to by low level, when position transducer 9 changes low level by high level again, can be in the complete opening state by detection place valve; " timing control module " restarts timing at this moment, after the time is accumulated to predetermined interval t2, and " electromagnetic valve module " control " solenoid directional control valve " commutation, pneumatic mechanism begins action, and valve begins to close.This moment, position transducer 9 transferred high level to by low level, when position transducer 9 changes low level by high level again, can be in buttoned-up status by detection place valve; Then a cycle period finishes." timing control module " picks up counting and adds up predetermined interval t1 again.The timing control module " transfer the zero-time of the low level moment according to position transducer to by high level as action next time.
Claims (7)
1. pneumatic type slag-off valve,
It is characterized in that:
Comprise slag-off valve, driving mechanism, position sensor unit, support, be used for the central control room of the action of controlling and driving mechanism;
Described slag-off valve comprises that valve body, substantially horizontal are arranged on the movable flashboard in the valve body, described valve body is provided with the passage of Vertical direction, described flashboard is provided with the pod apertures that shape and channel cross-section shape are complementary, and is provided with seal arrangement between described flashboard and the valve body; One end face of described passage is provided with the furnace bottom flange, and its other end is provided with piping flange;
Described driving mechanism comprises source of compressed air, solenoid directional control valve, cylinder, is arranged on the piston rod that piston, an end and piston in the cylinder are connected; Described piston is divided into first air chamber and second air chamber with cylinder, and described source of compressed air communicates with the inlet of solenoid directional control valve, and first air flue of described solenoid directional control valve communicates with first air chamber (27), and second air flue of described solenoid directional control valve communicates with second air chamber;
One end and the cylinder of described support are connected, and its other end and valve body are connected; The other end and the flashboard of described piston rod are connected;
Described position sensor unit comprises position transducer and positioning ring; Described positioning ring is arranged on the piston rod, and the described sensor of putting can responsive flashboard be opened or pairing positioning ring position when closed fully, and described position transducer links to each other with central control room.
2. pneumatic type slag-off valve according to claim 1 is characterized in that: be provided with thermal baffle between described valve body and the support.
3. pneumatic type slag-off valve according to claim 1 and 2 is characterized in that: described seal arrangement comprises the stuffing box packing that is arranged on parameatal hollow metal O shape ring and is arranged on hollow metal O shape ring periphery.
4. pneumatic type slag-off valve according to claim 3 is characterized in that: described piston rod (6) and flashboard (1) are to be fixed together by bearing pin.
5. pneumatic type slag-off valve according to claim 4 is characterized in that: described solenoid directional control valve is two five-way electromagnetic valves.
6. pneumatic type slag-off valve according to claim 5 is characterized in that: described position transducer is the induction type limit switch.
7. pneumatic type slag-off valve according to claim 5 is characterized in that: described central control room comprises digital signal acquiring module, timing control module and the electromagnetic valve module that connects successively; Described digital signal acquiring module collection position signal of sensor also is transferred to the timing control module, described timing control module is used for the blanking time of two actions of control valve and sends a signal to the electromagnetic valve module, the SC sigmal control solenoid directional control valve commutation that described electromagnetic valve module sends according to the timing control module that receives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206701356U CN201992175U (en) | 2010-12-20 | 2010-12-20 | Pneumatic slag discharge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206701356U CN201992175U (en) | 2010-12-20 | 2010-12-20 | Pneumatic slag discharge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201992175U true CN201992175U (en) | 2011-09-28 |
Family
ID=44668665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206701356U Expired - Fee Related CN201992175U (en) | 2010-12-20 | 2010-12-20 | Pneumatic slag discharge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201992175U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563188A (en) * | 2010-12-20 | 2012-07-11 | 西安航天远征流体控制股份有限公司 | Pneumatic residual cake valve |
| CN103174843A (en) * | 2011-12-20 | 2013-06-26 | 西安航天远征流体控制股份有限公司 | Reject valve of pulverized coal gasification furnace |
| CN105155622A (en) * | 2015-09-28 | 2015-12-16 | 江西中煤建设集团有限公司 | Water supply pipeline deslagging and exhaust valve checking system fast and convenient to use |
| CN105202252A (en) * | 2015-10-12 | 2015-12-30 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Drive device of pneumatic proportional valve |
| CN107388826A (en) * | 2017-07-31 | 2017-11-24 | 成都中机盈科科技有限公司 | A kind of manual discharge system with filter residue function |
| CN107606297A (en) * | 2017-09-06 | 2018-01-19 | 武汉钢铁集团气体有限责任公司 | A kind of operated pneumatic valve system and air cleaning unit |
| CN109681903A (en) * | 2018-12-28 | 2019-04-26 | 江苏汉唐环保科技有限公司 | A kind of electric-controlled hydraulic air duct lock gate hatch |
-
2010
- 2010-12-20 CN CN2010206701356U patent/CN201992175U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563188A (en) * | 2010-12-20 | 2012-07-11 | 西安航天远征流体控制股份有限公司 | Pneumatic residual cake valve |
| CN102563188B (en) * | 2010-12-20 | 2016-03-30 | 西安航天远征流体控制股份有限公司 | A kind of Pneumatic residual cake valve |
| CN103174843A (en) * | 2011-12-20 | 2013-06-26 | 西安航天远征流体控制股份有限公司 | Reject valve of pulverized coal gasification furnace |
| CN105155622A (en) * | 2015-09-28 | 2015-12-16 | 江西中煤建设集团有限公司 | Water supply pipeline deslagging and exhaust valve checking system fast and convenient to use |
| CN105202252A (en) * | 2015-10-12 | 2015-12-30 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Drive device of pneumatic proportional valve |
| CN105202252B (en) * | 2015-10-12 | 2018-06-19 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | A kind of driving device of pneumatic proportional valve |
| CN107388826A (en) * | 2017-07-31 | 2017-11-24 | 成都中机盈科科技有限公司 | A kind of manual discharge system with filter residue function |
| CN107606297A (en) * | 2017-09-06 | 2018-01-19 | 武汉钢铁集团气体有限责任公司 | A kind of operated pneumatic valve system and air cleaning unit |
| CN107606297B (en) * | 2017-09-06 | 2020-01-21 | 武汉钢铁集团气体有限责任公司 | Pneumatic valve system and air purification device |
| CN109681903A (en) * | 2018-12-28 | 2019-04-26 | 江苏汉唐环保科技有限公司 | A kind of electric-controlled hydraulic air duct lock gate hatch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201992175U (en) | Pneumatic slag discharge valve | |
| CN202017777U (en) | Pneumatic-type reject valve capable of being continuously and automatically opened and closed | |
| CN102563188B (en) | A kind of Pneumatic residual cake valve | |
| CN102032384B (en) | Pneumatic pulse valve capable of continuously and automatically opening and closing | |
| CN102537396A (en) | Pneumatic slag discharge valve capable of being continuously opened and closed automatically | |
| CN104100739A (en) | Pneumatic control combination valve and application method thereof | |
| CN201916573U (en) | Pneumatic pulse valve capable of being continuously and automatically turned on and off | |
| CN110701312A (en) | High-pressure dry oil pneumatic control valve | |
| CN102705567A (en) | Three-way valve | |
| CN104477651A (en) | Improved positive-pressure sample conveying system | |
| CN201973335U (en) | Switch control device and three-way valve using the same | |
| CN203321785U (en) | Clearance adjustment actuating mechanism of piston inner-cooling type compressor | |
| CN2263277Y (en) | Automatic closing enclosed furnace door body for high temp. monitoring | |
| CN202001647U (en) | Novel gate valve of vacuum continuous furnace | |
| CN203571120U (en) | Three-way reversing valve for industrial furnace | |
| CN201651394U (en) | Wear-resistant pneumatic ash-discharge ball valve | |
| CN201173311Y (en) | Direct moving type two position three-way solenoid valve | |
| CN203948647U (en) | Normal close type distributed direct moving electromagnetic valve | |
| CN206352663U (en) | A kind of automatically cleaning guiding valve for vacuum feces collecting system | |
| CN201245666Y (en) | Self-locking control device of self-locking clock-shaped discharge valve | |
| CN204342000U (en) | A kind of positive pressure sample-conveying system of improvement | |
| CN220551573U (en) | Automatic exhaust device applied to die temperature controller | |
| CN205806558U (en) | Electro-hydraulic joint control high pressure hard sealing ball valve | |
| CN211291963U (en) | Ultrahigh-temperature electromagnetic valve sealing performance detection device | |
| CN220488303U (en) | Coke oven riser water seal valve and riser cover linkage device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |