CN202017777U - Pneumatic-type reject valve capable of being continuously and automatically opened and closed - Google Patents
Pneumatic-type reject valve capable of being continuously and automatically opened and closed Download PDFInfo
- Publication number
- CN202017777U CN202017777U CN2010206702293U CN201020670229U CN202017777U CN 202017777 U CN202017777 U CN 202017777U CN 2010206702293 U CN2010206702293 U CN 2010206702293U CN 201020670229 U CN201020670229 U CN 201020670229U CN 202017777 U CN202017777 U CN 202017777U
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- valve
- flashboard
- module
- slag
- solenoid directional
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Abstract
The utility model relates to a pneumatic-type reject valve capable of being continuously and automatically opened and closed, which comprises a reject valve, a driving mechanism, a position sensor unit, a bracket and a central control room; the reject valve comprises a valve body and a movable flashboard, the valve body is provided with a channel, the flashboard is provided with a guide hole, and a sealing device is arranged between the flashboard and the valve body; one end surface of the channel is provided with a stove bottom flange, and the other end surface is provided with a pipeline flange; the driving mechanism comprises a compressed air source, an electromagnetic reversing valve, an air cylinder, and a piston and a piston rod, which are arranged in the air cylinder; the piston divides the air cylinder into a first air chamber and a second air chamber, a first air course is communicated with the first air chamber, and a second air course is communicated with the second air chamber; and a position sensor unit comprises a first position sensor, a second position sensor and a positioning ring. The technical problems that the molten ash cannot be discharged and the automatic opening and closing of the valve cannot be realized can be solved. Due to the adoption of the pneumatic-type reject valve, the continuous and automatic opening and the closing of the control valve can be controlled, and the opening and closing time of the valve can be instantly detected.
Description
Technical field
The utility model 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 utility model purpose 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 utility model:
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;
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 primary importance sensor 9, second place sensor 10 and positioning ring 28; Described positioning ring 28 is arranged on the piston rod, pairing positioning ring position when described primary importance sensor 9 is can responsive flashboard closed fully, described second place sensor 10 can be responsive pairing positioning ring position during the flashboard complete opening, described 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 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 primary importance sensor 9 and second place sensor 10 are the induction type limit switch.
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; Described 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, described digital signal comparison module compares preset value in the signal that receives and the digital signal comparison module and judge the state of slag-off valve, described timing control module is used for the blanking time of each action 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 utility model had:
1, the utility model 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 utility model 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 utility model 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 utility model 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 the utility model slag-off valve; Fig. 1 should be clockwise 90 ° during the slag-off valve as installed;
Fig. 2 is the structural representation of the flashboard of the utility model slag-off valve when closed;
Fig. 3 is a control block diagram of the present utility model;
Reference character is: 1-flashboard, 2-piping flange, 3-valve body, 4-thermal baffle, the 5-support, 6-piston rod, 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, the 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 of automatic on-off continuously, 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 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 the signal that receives and the digital signal comparison module and judge the state of slag-off valve, the timing control module is used for the blanking time of each action 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 utility model:
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.
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, primary importance sensor 9 will be in high level, second place sensor 10 will be in low level, 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 " commutation, pneumatic mechanism begins action, valve closing.
After valve is closed fully, primary importance sensor 9 will be in low level, 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 " commutation, pneumatic mechanism begins action, and valve is opened once more.At this moment, valve once circulates and finishes, and enters 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;
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 shape 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 of described support (5) and cylinder (7) 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 primary importance sensor (9), second place sensor (10) and positioning ring (28); Described positioning ring (28) is arranged on the piston rod, pairing positioning ring position when described primary importance sensor (9) is can responsive flashboard closed fully, described second place sensor (10) can be responsive pairing positioning ring position during the flashboard complete opening, described 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 described 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: described 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: described piston rod (6) and flashboard (1) are to be fixed together by bearing pin (11).
5. the pneumatic type slag-off valve of automatic on-off continuously according to claim 4 is characterized in that: described 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: described 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: described 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; Described 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, described digital signal comparison module compares preset value in the signal that receives and the digital signal comparison module and judge the state of slag-off valve, described timing control module is used for the blanking time of each action 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 |
|---|---|---|---|
| CN2010206702293U CN202017777U (en) | 2010-12-20 | 2010-12-20 | Pneumatic-type reject valve capable of being continuously and automatically opened and closed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206702293U CN202017777U (en) | 2010-12-20 | 2010-12-20 | Pneumatic-type reject valve capable of being continuously and automatically opened and closed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202017777U true CN202017777U (en) | 2011-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206702293U Expired - Fee Related CN202017777U (en) | 2010-12-20 | 2010-12-20 | Pneumatic-type reject valve capable of being continuously and automatically opened and closed |
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| CN (1) | CN202017777U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537396A (en) * | 2010-12-20 | 2012-07-04 | 西安航天远征流体控制股份有限公司 | Pneumatic slag discharge valve capable of being continuously opened and closed automatically |
| CN102606471A (en) * | 2012-03-19 | 2012-07-25 | 湖南中新设备制造有限公司 | Control valve of hydraulic flat-type slurry pump |
| 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 |
| CN103899828A (en) * | 2014-03-27 | 2014-07-02 | 超达阀门集团股份有限公司 | Single-acting pneumatic device with adjustment and fault security functions |
| CN104019267A (en) * | 2014-06-13 | 2014-09-03 | 浙江瑞工控制阀有限公司 | Pneumatic actuator for opening and closing power station boiler deslagging opening gate |
| CN107676497A (en) * | 2017-08-28 | 2018-02-09 | 铜陵百锐设备配件有限公司 | A kind of intelligent pneumatic power valve |
-
2010
- 2010-12-20 CN CN2010206702293U patent/CN202017777U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537396A (en) * | 2010-12-20 | 2012-07-04 | 西安航天远征流体控制股份有限公司 | Pneumatic slag discharge valve capable of being continuously opened and closed automatically |
| CN102537396B (en) * | 2010-12-20 | 2016-05-18 | 西安航天远征流体控制股份有限公司 | The Pneumatic residual cake valve of automatic open close continuously |
| 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 |
| CN102606471A (en) * | 2012-03-19 | 2012-07-25 | 湖南中新设备制造有限公司 | Control valve of hydraulic flat-type slurry pump |
| CN103899828A (en) * | 2014-03-27 | 2014-07-02 | 超达阀门集团股份有限公司 | Single-acting pneumatic device with adjustment and fault security functions |
| CN104019267A (en) * | 2014-06-13 | 2014-09-03 | 浙江瑞工控制阀有限公司 | Pneumatic actuator for opening and closing power station boiler deslagging opening gate |
| CN107676497A (en) * | 2017-08-28 | 2018-02-09 | 铜陵百锐设备配件有限公司 | A kind of intelligent pneumatic power valve |
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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: 20111026 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |