CN102537396A - Pneumatic slag discharge valve capable of being continuously opened and closed automatically - Google Patents
Pneumatic slag discharge valve capable of being continuously opened and closed automatically Download PDFInfo
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- CN102537396A CN102537396A CN2010105965987A CN201010596598A CN102537396A CN 102537396 A CN102537396 A CN 102537396A CN 2010105965987 A CN2010105965987 A CN 2010105965987A CN 201010596598 A CN201010596598 A CN 201010596598A CN 102537396 A CN102537396 A CN 102537396A
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Abstract
The invention relates to a pneumatic slag discharge valve capable of continuously opened and closed automatically, which comprises a slag discharge valve, a driving mechanism, a position sensor unit, a support and a central control chamber. The slag discharge valve comprises a valve body and a movable gate plate, the valve body is provided with a channel, a flow guiding hole is arranged on the gate plate, and a sealing device is disposed between the gate plate and the valve body; a furnace bottom flange is disposed on one end surface of the channel, and a pipe flange is disposed on the other end surface of the channel; the driving mechanism comprises a compressed air source, an electromagnetic reversing valve, a cylinder, a piston arranged in the cylinder and a piston rod; the cylinder is divided into a first air chamber and a second air chamber by the piston, a first air passage is communicated with the first air chamber, and a second air passage is communicated with the second air chamber; and the position sensor unit comprises a first position sensor, a second position sensor and a positioning ring. The pneumatic slag discharge valve resolves the technical problem that fused slag cannot be discharged and a valve cannot be automatically opened or closed. Besides, opening and closing of the valve can be automatically controlled continuously, and 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 of automatic on-off continuously; 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 of automatic on-off continuously,
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;
Said slag-off valve comprises that valve body 3, substantially horizontal are arranged on the movable flashboard 1 in the valve body 3; Said valve body 3 is provided with the passage 15 of Vertical direction; Said 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 said flashboard 1 and the valve body 3; One end face of said passage 15 is provided with furnace bottom flange 14, and its other end is provided with piping flange 2;
Said 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; Said piston 8 is divided into first air chamber 27 and second air chamber 26 with cylinder 7; Said source of compressed air 21 communicates with the inlet 22 of solenoid directional control valve 23; First air flue 24 of said solenoid directional control valve communicates with first air chamber 27, and second air flue 25 of said solenoid directional control valve communicates with second air chamber 26;
One end and the cylinder 7 of said support 5 are connected, and its other end and valve body 3 are connected; The other end of said piston rod 6 and flashboard 1 are connected;
Said position sensor unit comprises primary importance sensor 9, second place sensor 10 and positioning ring 28; Said positioning ring 28 is arranged on the piston rod; Pairing positioning ring position when said primary importance sensor 9 is can responsive flashboard closed fully; Said second place sensor 10 can be responsive pairing positioning ring position during the flashboard complete opening, said primary importance sensor 9 links to each other with central control room respectively with second place sensor 10.
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 is to be fixed together through bearing pin 11 with flashboard 1.
Above-mentioned solenoid directional control valve is two five-way electromagnetic valves.
Above-mentioned primary importance sensor 9 is the induction type limit switch with second place sensor 10.
Above-mentioned central control room comprises digital signal acquiring module 30, digital signal comparison module 31, timing control module 32 and the electromagnetic valve module 33 that connects successively; Said digital signal acquiring module is gathered the output signal of primary importance sensor 9 and second place sensor 10 and is transferred to the digital signal comparison module; Said digital signal comparison module compares preset value in signal that receives and the digital signal comparison module and judge the state of slag-off valve; Concurrent feed signals blanking time that said timing control module is used for each action of control valve is given the electromagnetic valve module, the SC sigmal control solenoid directional control valve switching-over that said electromagnetic valve module is sent 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 through 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 through 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 guarantee the valve proper functioning through position signal monitoring valve open/shut-in time.
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, 5-support, 6-piston rod; The 7-cylinder, 8-piston, 9-primary importance sensor, 10-second place sensor, 11-bearing pin, 12-hollow metal O shape ring; The 13-stuffing box packing, 14-furnace bottom flange, 15-passage, 16-pod apertures, 21-compressed air gas source, 22-electromagnetic switch valve inlet; The 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
Shown in accompanying drawing 1; A kind of pneumatic type slag-off valve of automatic on-off continuously comprises slag-off valve, driving mechanism, position sensor unit and central control room, and slag-off valve and driving mechanism are fixed together through 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 through 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 through 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 through first air flue respectively.Position sensor unit comprise can be responsive the second place sensor 10 and the primary importance sensor 9 of pairing piston rod position when can responsive flashboard closing fully of pairing piston rod position during the flashboard complete opening; Primary importance sensor and second place sensor are the induction type limit switch, and it is separately fixed at two positions up and down of 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.Central control room comprises digital signal acquiring module 30, digital signal comparison module 31, timing control module 32 and the electromagnetic valve module 33 that connects successively; The digital signal acquiring module is gathered the output signal of primary importance sensor 9 and second place sensor 10 and is transferred to the digital signal comparison module; The digital signal comparison module compares preset value in signal that receives and the digital signal comparison module and judge the state of slag-off valve; The timing control module is used for concurrent feed signals blanking time of each action of control valve and gives the electromagnetic valve module, the SC sigmal control solenoid directional control valve switching-over that the electromagnetic valve module is sent according to the timing control module that receives.
Working procedure of the present invention:
When cylinder 7 was not worked, pressurized air got into cylinder 7 epicoeles through two-position five-way solenoid directional control valve 23, pushes piston 8 to cylinder 7 cavity of resorptions one side, made piston rod 6 drive flashboard 1 with valve open through 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 gets into cylinder 7 cavity of resorptions, and cylinder piston 8 is to cylinder 7 epicoeles one side shifting, and cylinder piston rod 6 drives flashboards 1 action through bearing pin 11, closes fully up to valve.
In valve event, primary importance sensor 9 high level, second place sensor 10 low levels can detect valve and be in opening state; Primary importance sensor 9 low levels, second place sensor 10 high level can detect valve and be in closed condition.The feedback signal of primary importance sensor 9, second place sensor 10 can be used to monitoring and control valve opening/closing time simultaneously.
When valve working, control system powers on, and primary importance sensor 9 will be in high level; Second place sensor 10 will be in low level, and two position sensor signals are delivered to " the digital signal acquiring module " of central control room, after " digital signal comparison module " relatively; Judge valve according to pre-set program and be in opening state; Pick up counting by " timing control module " then, after the time is accumulated to predetermined interval t1, " electromagnetic valve module " control " solenoid directional control valve " switching-over; Pneumatic mechanism begins action, valve closing.
After valve is closed fully, primary importance sensor 9 will be in low level, and second place sensor 10 will be in high level; After " digital signal acquiring module " and " digital signal comparison module " judged valve and be in closed condition, " timing control module " picks up counting; After the time is accumulated to predetermined interval t2; " electromagnetic valve module " control " solenoid directional control valve " switching-over, pneumatic mechanism begins action, and valve is opened once more.At this moment, the valve completion that once circulates gets into circulation next time simultaneously.Wherein " timing control module " be used for setting the each circulation time of valve close by being opened to, by two spacer segment time t1 and the t2 that are closed to unlatching.
Claims (7)
1. pneumatic type slag-off valve of automatic on-off continuously is characterized in that: 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;
Said slag-off valve comprises that valve body (3), substantially horizontal are arranged on the movable flashboard 1 in the valve body (3); Said valve body (3) is provided with the passage (15) of Vertical direction; Said flashboard (1) is provided with the pod apertures (16) that shape and passage (15) sectional shape are complementary, and is provided with seal arrangement between said flashboard (1) and the valve body (3); One end face of said passage (15) is provided with furnace bottom flange (14), and its other end is provided with piping flange (2);
Said 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; Said piston (8) is divided into first air chamber (27) and second air chamber (26) with cylinder (7); Said source of compressed air (21) communicates with the inlet (22) of solenoid directional control valve (23); First air flue (24) of said solenoid directional control valve communicates with first air chamber (27), and second air flue (25) of said solenoid directional control valve communicates with second air chamber (26);
One end of said support (5) and cylinder (7) are connected, and its other end and valve body (3) are connected; The other end of said piston rod (6) and flashboard (1) are connected;
Said position sensor unit comprises primary importance sensor (9), second place sensor (10) and positioning ring (28); Said positioning ring (28) is arranged on the piston rod; Pairing positioning ring position when said primary importance sensor (9) is can responsive flashboard closed fully; Said second place sensor (10) can be responsive pairing positioning ring position during the flashboard complete opening, said primary importance sensor (9) links to each other with central control room respectively with second place sensor (10).
2. the pneumatic type slag-off valve of automatic on-off continuously according to claim 1 is characterized in that: be provided with thermal baffle between said valve body and the support.
3. the pneumatic type slag-off valve of automatic on-off continuously according to claim 1 and 2 is characterized in that: said seal arrangement comprises that being arranged on passage (15) hollow metal O shape on every side encircles (12) and be arranged on the peripheral stuffing box packing 13 of hollow metal O shape ring.
4. the pneumatic type slag-off valve of automatic on-off continuously according to claim 3 is characterized in that: said piston rod (6) and flashboard (1) are to be fixed together through bearing pin (11).
5. the pneumatic type slag-off valve of automatic on-off continuously according to claim 4 is characterized in that: said solenoid directional control valve is two five-way electromagnetic valves.
6. the pneumatic type slag-off valve of automatic on-off continuously according to claim 5 is characterized in that: said primary importance sensor (9) and second place sensor (10) are the induction type limit switch.
7. the pneumatic type slag-off valve of automatic on-off continuously according to claim 5 is characterized in that: said central control room comprises digital signal acquiring module (30), digital signal comparison module (31), timing control module (32) and the electromagnetic valve module (33) that connects successively; Said digital signal acquiring module is gathered the output signal of primary importance sensor (9) and second place sensor (10) and is transferred to the digital signal comparison module; Said digital signal comparison module compares preset value in signal that receives and the digital signal comparison module and judge the state of slag-off valve; Concurrent feed signals blanking time that said timing control module is used for each action of control valve is given the electromagnetic valve module, the SC sigmal control solenoid directional control valve switching-over that said electromagnetic valve module is sent according to the timing control module that receives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010596598.7A CN102537396B (en) | 2010-12-20 | 2010-12-20 | The Pneumatic residual cake valve of automatic open close continuously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010596598.7A CN102537396B (en) | 2010-12-20 | 2010-12-20 | The Pneumatic residual cake valve of automatic open close continuously |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102537396A true CN102537396A (en) | 2012-07-04 |
| CN102537396B CN102537396B (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010596598.7A Expired - Fee Related CN102537396B (en) | 2010-12-20 | 2010-12-20 | The Pneumatic residual cake valve of automatic open close continuously |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075022A (en) * | 2014-06-30 | 2014-10-01 | 威顿水泥集团有限责任公司 | Valve opening degree feedback device of tertiary-air duct high-temperature gate valve of rotary cement kiln |
| CN108799604A (en) * | 2018-06-29 | 2018-11-13 | 武汉大学 | A kind of organic glass tablet rapid-closure damper |
| CN112268135A (en) * | 2020-11-06 | 2021-01-26 | 中国兵器装备集团自动化研究所 | Control method and device applied to three-position five-way electromagnetic valve |
| CN114484052A (en) * | 2021-12-29 | 2022-05-13 | 江苏南热发电有限责任公司 | Pneumatic actuator fault detection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1516791A (en) * | 2001-05-08 | 2004-07-28 | 埃瓦克有限公司 | Sliding valve |
| CN201003628Y (en) * | 2007-02-07 | 2008-01-09 | 张永亮 | Pneumatic gate valve |
| JP2008115900A (en) * | 2006-11-01 | 2008-05-22 | Kyowa Kogyo Kk | Valve device |
| CN201284310Y (en) * | 2008-07-14 | 2009-08-05 | 田文辉 | Entering steam valve self-adjusting device of intermittent gas making furnace |
| CN202017777U (en) * | 2010-12-20 | 2011-10-26 | 西安航天远征流体控制股份有限公司 | Pneumatic-type reject valve capable of being continuously and automatically opened and closed |
-
2010
- 2010-12-20 CN CN201010596598.7A patent/CN102537396B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1516791A (en) * | 2001-05-08 | 2004-07-28 | 埃瓦克有限公司 | Sliding valve |
| JP2008115900A (en) * | 2006-11-01 | 2008-05-22 | Kyowa Kogyo Kk | Valve device |
| CN201003628Y (en) * | 2007-02-07 | 2008-01-09 | 张永亮 | Pneumatic gate valve |
| CN201284310Y (en) * | 2008-07-14 | 2009-08-05 | 田文辉 | Entering steam valve self-adjusting device of intermittent gas making furnace |
| CN202017777U (en) * | 2010-12-20 | 2011-10-26 | 西安航天远征流体控制股份有限公司 | Pneumatic-type reject valve capable of being continuously and automatically opened and closed |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075022A (en) * | 2014-06-30 | 2014-10-01 | 威顿水泥集团有限责任公司 | Valve opening degree feedback device of tertiary-air duct high-temperature gate valve of rotary cement kiln |
| CN108799604A (en) * | 2018-06-29 | 2018-11-13 | 武汉大学 | A kind of organic glass tablet rapid-closure damper |
| CN112268135A (en) * | 2020-11-06 | 2021-01-26 | 中国兵器装备集团自动化研究所 | Control method and device applied to three-position five-way electromagnetic valve |
| CN112268135B (en) * | 2020-11-06 | 2022-11-15 | 中国兵器装备集团自动化研究所 | Control method and device applied to three-position five-way electromagnetic valve |
| CN114484052A (en) * | 2021-12-29 | 2022-05-13 | 江苏南热发电有限责任公司 | Pneumatic actuator fault detection device |
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| CN102537396B (en) | 2016-05-18 |
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Granted publication date: 20160518 Termination date: 20161220 |
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