CN104832694A - Electrical control system for dust discharging valve - Google Patents

Electrical control system for dust discharging valve Download PDF

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Publication number
CN104832694A
CN104832694A CN201510287882.9A CN201510287882A CN104832694A CN 104832694 A CN104832694 A CN 104832694A CN 201510287882 A CN201510287882 A CN 201510287882A CN 104832694 A CN104832694 A CN 104832694A
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China
Prior art keywords
valve
button
normally closed
closed button
iii
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CN201510287882.9A
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Chinese (zh)
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CN104832694B (en
Inventor
李文霞
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JIANGSU STARLIGHT CORRUGATED PIPE CO Ltd
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JIANGSU STARLIGHT CORRUGATED PIPE CO Ltd
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Priority to CN201510287882.9A priority Critical patent/CN104832694B/en
Publication of CN104832694A publication Critical patent/CN104832694A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/046Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

The invention discloses an electrical control system for a dust discharging valve. According to the technical scheme, the electrical control system comprises a main loop and a control loop system. The main loop comprises a three-phase power line, an upper valve motor and a lower valve motor. The control loop system comprises six loops. The first loop is connected with a diverter switch, an upper valve stopping normally-closed button, an upper valve shutdown normally-closed button, an upper valve opening normally-opened button, a KQ I normally-closed button, a KM II normally-closed button and a KM I contactor in series. The second loop is connected with a diverter switch and a relay in series. The third loop is connected with an upper valve opening-in-place limit switch and a KQ I contactor in series. The fourth loop is connected with an upper valve closing-in-place limit switch and a KQ II contactor in series. The fifth loop is connected with a lower valve opening-in-place limit switch and a KQ III contactor in series. The sixth loop is connected with a lower valve closing-in-place limit switch and a KQ IV contactor in series. The electrical control system for the dust discharging valve is reasonable in design, simple in wiring, and capable of further achieving the functions of adjustment of dust discharging interval time, failure warning, automatic detection and motor protection.

Description

A kind of electric control system of unloading valve
Technical field
The present invention relates to dust removal apparatus technical applications, particularly relate to a kind of electric control system of unloading valve.
Background technique
Main smoking road discharges the dust waste gas containing variable grain in a large number, usually adopts electrical precipitator to carry out purified treatment.In order to discharge dust stratification in head electrical precipitator feed bin in time, deduster internal negative pressure can be ensured again simultaneously, usually adopting Double-deck cinder discharge valve to ensure the sealing of whole duster system.Require not affect by air-proof condition the operation of unloading valve simultaneously.
Summary of the invention
In order to solve the problem, the object of this invention is to provide a kind of reasonable in design, wiring is simple, electrical control unloading valve that is Be very effective unloads ash system.
To achieve these goals, technological scheme of the present invention is achieved in that a kind of electric control system of unloading valve, it comprises primary heat transport system and control loop system, described primary heat transport system comprises three-phase power line and the upper valve motor 1 that is connected in parallel on described three-phase power line and lower valve motor 2, KM I contactless contactor 3 in parallel, KM II contactless contactor 4, thermorelay I 5 on described upper valve motor 1, KM III contactless contactor 6 in parallel, KM IV contactless contactor 7, thermorelay II 8 on described lower valve motor 2, described control loop system comprises six loops: serial switch SA I 9 on Article 1 loop, upper valve stops normally closed button SB II 10, upper valve closes the normally closed button SB III 11 of valve, upper valve valve opening often opens button SB I 12, the normally closed button 13 of KQ I, the normally closed button 14 of KM II, KM I contactor 15, described upper valve closes the normally closed button SB III 11 of valve, upper valve valve opening often opens access KM I normal open switch 16 in parallel on button SB I 12, and described upper valve closes the normally closed button SB III 11 of valve, upper valve valve opening often opens button SB I 12, KQ I 13, the normally closed button 14 of KM II, the upper normally closed button SB I 17 of valve valve opening of access in parallel on KM I contactor 15, upper valve closes valve often opens button SB III 18, the normally closed button 19 of KQ II, the normally closed button 20 of KM I, KM II contactor 21, the normally closed button SB I 17 of described upper valve valve opening, upper valve closes valve often opens access KM II normal open switch 22 in parallel on button SB III 18, and described upper valve stops normally closed button SB II 10, upper valve closes the normally closed button SB III 11 of valve, upper valve valve opening often opens button SB I 12, the normally closed button 13 of KQ I, the normally closed button 14 of KM II, on KM I contactor 15, the lower valve of access in parallel stops normally closed button SB VI 23, lower valve closes the normally closed button SB V 24 of valve, lower valve valve opening often opens button SB IV 25, the normally closed button 26 of KQ III, the normally closed button 27 of KM IV, KM III contactor 28, described lower valve closes the normally closed button SB V 24 of valve, lower valve valve opening often opens access KM III normal open switch 29 in parallel on button SB IV 25, and described lower valve closes the normally closed button SB V 24 of valve, lower valve valve opening often opens button SB IV 25, the normally closed button 26 of KQ III, the normally closed button 27 of KM IV, the lower normally closed button SB IV 30 of valve valve opening of access in parallel on KM III contactor 28, lower valve closes valve often opens button SB V 31, the normally closed button 32 of KQ IV, the normally closed button 33 of KM III, KM IV contactor 34, the normally closed button SB IV 30 of described lower valve valve opening, lower valve closes valve often opens access KM IV normal open switch 35 in parallel on button SB V 31, serial switch SA II 36 on Article 2 loop, relay K I 37, and access the described serial switch SA I 9 in described Article 1 loop, upper valve stops normally closed button SB II 10, upper valve closes the normally closed button SB III 11 of valve, upper valve valve opening is often opened on button SB I 12, between the circuit that described serial switch SA II 36 connects with described relay K I 37 and upper valve close valve and often open cut-in relay K II 38 between circuit that button SB III 18 connects with the normally closed button 19 of KQ II, between the circuit that described serial switch SA II 36 connects with relay K I 37 and lower valve valve opening often open cut-in relay K III 39 between circuit that button SB IV 25 connects with the normally closed button 26 of KQ III, between the circuit that described serial switch SA II 36 connects with relay K I 37 and described lower valve close valve and often open cut-in relay K IV 40 between circuit that button SB V 31 connects with the normally closed button 32 of KQ IV, KA contactor 41 is accessed on the input bus in described Article 2 loop and on the output bus in described Article 1 loop, Article 3 loop is connected in series valve and reaches a limit switch SQ I 42, KQ I contactor 43, Article 4 loop is connected in series valve and closes put in place limit switch SQ II 44, KQ II contactor 45, Article 5 loop is connected in series lower valve and reaches a limit switch SQ III 46, KQ III contactor 47, Article 6 loop is connected in series lower valve and closes put in place limit switch SQ IV 48, KQ IV contactor 49.
Further, series connection access Q II contact switch 50, RF I power cut off delay button 51, RF II power cut off delay button 52 on the input bus in described six loops.
The present invention has following beneficial effect: the present invention adopts dual-motor and some other electric elements to form, reasonable in design; Control loop is made up of six circuits, and wiring is simple; And have unload adjustable, malfunction alarm ash interval time, automatically detect, motor protection function.
Accompanying drawing explanation
Fig. 1 is major loop wire configuration of the present invention figure.
Fig. 2 is control loop circuti diagram of the present invention.
With reference to accompanying drawing 1, 2 description of symbols: upper valve motor 1, lower valve motor 2, KM I contactless contactor 3, KM II contactless contactor 4, thermorelay I 5, KM III contactless contactor 6, KM IV contactless contactor 7, thermorelay II 8, throw over switch SA I 9, upper valve stops normally closed button SB II 10, upper valve closes the normally closed button SB III 11 of valve, upper valve valve opening often opens button SB I 12, the normally closed button 13 of KQ I, the normally closed button 14 of KM II, KM I contactor 15, KM I normal open switch 16, the normally closed button SB I 17 of upper valve valve opening, upper valve closes valve often opens button SB III 18, the normally closed button 19 of KQ II, the normally closed button 20 of KM I, KM II contactor 21, KM II normal open switch 22, lower valve stops normally closed button SB VI 23, lower valve closes the normally closed button SB V 24 of valve, lower valve valve opening often opens button SB IV 25, the normally closed button 26 of KQ III, the normally closed button 27 of KM IV, KM III contactor 28, KM III normal open switch 29, the normally closed button SB IV 30 of lower valve valve opening, lower valve closes valve often opens button SB V 31, the normally closed button 32 of KQ IV, the normally closed button 33 of KM III, KM IV contactor 34, KM IV normal open switch 35, serial switch SA II 36, relay K I 37, relay K II 38, relay K III 39, relay K IV 40, KA contactor 41, upper valve reaches a limit switch SQ I 42, KQ I contactor 43, upper valve closes the limit switch SQ II 44 that puts in place, KQ II contactor 45, lower valve reaches a limit switch SQ III 46, KQ III contactor 47, lower valve closes the limit switch SQ IV 48 that puts in place, KQ IV contactor 49, Q II contact switch 50, RF I power cut off delay button 51, RF II power cut off delay button 52.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
The electric control system of a kind of unloading valve of the present invention, it comprises primary heat transport system and control loop system, described primary heat transport system comprises three-phase power line and the upper valve motor 1 that is connected in parallel on described three-phase power line and lower valve motor 2, KM I contactless contactor 3 in parallel, KM II contactless contactor 4, thermorelay I 5 on described upper valve motor 1, KM III contactless contactor 6 in parallel, KM IV contactless contactor 7, thermorelay II 8 on described lower valve motor 2, described control loop system comprises six loops: serial switch SA I 9 on Article 1 loop, upper valve stops normally closed button SB II 10, upper valve closes the normally closed button SB III 11 of valve, upper valve valve opening often opens button SB I 12, the normally closed button 13 of KQ I, the normally closed button 14 of KM II, KM I contactor 15, described upper valve closes the normally closed button 11 of valve, upper valve valve opening often opens access KM I normal open switch 16 in parallel on button SB I 12, and described upper valve closes the normally closed button SB III 11 of valve, upper valve valve opening often opens button SB I 12, KQ I 13, the normally closed button 14 of KM II, the upper normally closed button SB I 17 of valve valve opening of access in parallel on KM I contactor 15, upper valve closes valve often opens button SB III 18, the normally closed button 19 of KQ II, the normally closed button 20 of KM I, KM II contactor 21, the normally closed button SB I 17 of described upper valve valve opening, upper valve closes valve often opens access KM II normal open switch 22 in parallel on button SB III 18, and described upper valve stops normally closed button SB II 10, upper valve closes the normally closed button SB III 11 of valve, upper valve valve opening often opens button SB I 12, the normally closed button 13 of KQ I, the normally closed button 14 of KM II, on KM I contactor 15, the lower valve of access in parallel stops normally closed button SB VI 23, lower valve closes the normally closed button SB V 24 of valve, lower valve valve opening often opens button SB IV 25, the normally closed button 26 of KQ III, the normally closed button 27 of KM IV, KM III contactor 28, described lower valve closes the normally closed button SB V 24 of valve, lower valve valve opening often opens access KM III normal open switch 29 in parallel on button SB IV 25, and described lower valve closes the normally closed button SB V 24 of valve, lower valve valve opening often opens button SB IV 25, the normally closed button 26 of KQ III, the normally closed button 27 of KM IV, the lower normally closed button SB IV 30 of valve valve opening of access in parallel on KM III contactor 28, lower valve closes valve often opens button SB V 31, the normally closed button 32 of KQ IV, the normally closed button 33 of KM III, KM IV contactor 34, the normally closed button SB IV 30 of described lower valve valve opening, lower valve closes valve often opens access KM IV normal open switch 35 in parallel on button SB V 31, serial switch SA II 36 on Article 2 loop, relay K I 37, and access the described serial switch SA I 9 in described Article 1 loop, upper valve stops normally closed button SB II 10, upper valve closes the normally closed button SB III 11 of valve, upper valve valve opening is often opened on button SB I 12, between the circuit that described serial switch SA II 36 connects with described relay K I 37 and upper valve close valve and often open cut-in relay K II 38 between circuit that button SB III 18 connects with the normally closed button 19 of KQ II, between the circuit that described serial switch SA II 36 connects with relay K I 37 and lower valve valve opening often open cut-in relay K III 39 between circuit that button SB IV 25 connects with the normally closed button 26 of KQ III, between the circuit that described serial switch SA II 36 connects with relay K I 37 and described lower valve close valve and often open cut-in relay K IV 40 between circuit that button SB V 31 connects with the normally closed button 32 of KQ IV, KA contactor 41 is accessed on the input bus in described Article 2 loop and on the output bus in described Article 1 loop, Article 3 loop is connected in series valve and reaches a limit switch SQ I 42, KQ I contactor 43, Article 4 loop is connected in series valve and closes put in place limit switch SQ II 44, KQ II contactor 45, Article 5 loop is connected in series lower valve and reaches a limit switch SQ III 46, KQ III contactor 47, Article 6 loop is connected in series lower valve and closes put in place limit switch SQ IV 48, KQ IV contactor 49.
The present invention specifically can be divided into four steps at work: the first step, and lower valve is opened.The adhesive of described KM III contactor 28, described lower valve motor 2 rotates forward, and lower valve is opened, touching lever when described lower valve reaches a limit switch SQ III 46, used time t1, the stall of described lower valve motor 2, postpones t2 second, performs second step; Second step, lower valve cuts out.The adhesive of described KM IV contactor 34, described lower valve motor 2 reverses, and lower valve cuts out, touching lever near described lower valve close put limit switch SQ IV 48 in place time, used time t3, the stall of described lower valve motor 2, postpone t4, perform the 3rd step, wherein: t1+t2+t3 is the lower valve blowing time; 3rd step, upper valve is opened.The adhesive of described KM I contactor 15, described upper valve motor 1 rotates forward, and upper valve is opened, touching lever when described upper valve reaches a limit switch SQ I 42, used time t5, the stall of described upper valve motor 1, postpones t6, performs the 4th step; 4th step, upper valve cuts out.The adhesive of described KM II contactor 21, described upper valve motor 1 reverses, and upper valve cuts out, touching lever near described upper valve close put limit switch SQ II 44 in place time, used time t7, the stall of described upper valve motor 1, postpone t8, enter the first step, wherein, t5+t6+t7 was the upper valve blanking time.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, other amendments that those of ordinary skill in the art make technological scheme of the present invention or equivalently to replace, only otherwise depart from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of right of the present invention.

Claims (2)

1. the electric control system of a unloading valve, it comprises primary heat transport system and control loop system, it is characterized in that, described primary heat transport system comprises three-phase power line and the upper valve motor (1) that is connected in parallel on described three-phase power line and lower valve motor (2), upper KM I contactless contactor (3) in parallel of described upper valve motor (1), KM II contactless contactor (4), thermorelay I (5), upper KM III contactless contactor (6) in parallel of described lower valve motor (2), KM IV contactless contactor (7), thermorelay II (8), described control loop system comprises six loops: serial switch SA I (9) on Article 1 loop, upper valve stops normally closed button SB II (10), upper valve closes the normally closed button SB III (11) of valve, upper valve valve opening often opens button SB I (12), the normally closed button of KQ I (13), the normally closed button of KM II (14), KM I contactor (15), described upper valve closes the normally closed button SB III (11) of valve, upper valve valve opening often opens upper access KM I normal open switch (16) in parallel of button SB I (12), and described upper valve closes the normally closed button SB III (11) of valve, upper valve valve opening often opens button SB I (12), KQ I (13), the normally closed button of KM II (14), the upper normally closed button SB I (17) of valve valve opening of the upper access in parallel of KM I contactor (15), upper valve closes valve often opens button SB III (18), the normally closed button of KQ II (19), the normally closed button of KM I (20), KM II contactor (21), the normally closed button SB I (17) of described upper valve valve opening, upper valve closes valve often opens upper access KM II normal open switch (22) in parallel of button SB III (18), and described upper valve stops normally closed button SB II (10), upper valve closes the normally closed button SB III (11) of valve, upper valve valve opening often opens button SB I (12), the normally closed button of KQ I (13), the normally closed button of KM II (14), the lower valve of the upper access in parallel of KM I contactor (15) stops normally closed button SB VI (23), lower valve closes the normally closed button SB V (24) of valve, lower valve valve opening often opens button SB IV (25), the normally closed button of KQ III (26), the normally closed button of KM IV (27), KM III contactor (28), described lower valve closes the normally closed button SB V (24) of valve, lower valve valve opening is normal
Open upper access KM III normal open switch (29) in parallel of button SB IV (25), described lower valve closes the normally closed button SB V (24) of valve, lower valve valve opening often opens button SB IV (25), the normally closed button of KQ III (26), the normally closed button of KM IV (27), the lower normally closed button SB IV (30) of valve valve opening of the upper access in parallel of KM III contactor (28), lower valve closes valve often opens button SB V (31), the normally closed button of KQ IV (32), the normally closed button of KM III (33), KM IV contactor (34), the normally closed button SB IV (30) of described lower valve valve opening, lower valve closes valve often opens upper access KM IV normal open switch (35) in parallel of button SB V (31), serial switch SA II (36) on Article 2 loop, relay K I (37), and access the described serial switch SA I (9) in described Article 1 loop, upper valve stops normally closed button SB II (10), upper valve closes the normally closed button SB III (11) of valve, upper valve valve opening is often opened on button SB I (12), between the circuit that described serial switch SA II (36) connects with described relay K I (37) and described upper valve close valve and often open cut-in relay K II (38) between circuit that button SB III (18) connects with the normally closed button of described KQ II (19), between the circuit that described serial switch SA II (36) connects with described relay K I (37) and described lower valve valve opening often open cut-in relay K III (39) between circuit that button SB IV (25) connects with the normally closed button of described KQ III (26), between the circuit that described serial switch SA II (36) connects with described relay K I (37) and described lower valve close valve and often open cut-in relay K IV (40) between circuit that button SB V (31) connects with the normally closed button of described KQ IV (32), KA contactor (41) is accessed on the input bus in described Article 2 loop and on the output bus in described Article 1 loop, Article 3 loop is connected in series valve and reaches a limit switch SQ I (42), KQ I contactor (43), Article 4 loop is connected in series valve and closes put in place limit switch SQ II (44), KQ II contactor (45), Article 5 loop is connected in series lower valve and reaches a limit switch SQ III (46), KQ III contactor (47), Article 6 loop is connected in series lower valve and closes put in place limit switch SQ IV (48), KQ IV contactor (49).
2. the electric control system of a kind of unloading valve according to claim 1, is characterized in that, series connection access Q II contact switch (50), RF I power cut off delay button (51), RF II power cut off delay button (52) on the input bus in described six loops.
CN201510287882.9A 2015-06-01 2015-06-01 Electrical control system for dust discharging valve Active CN104832694B (en)

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CN104832694B CN104832694B (en) 2017-04-26

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110155747A (en) * 2019-06-06 2019-08-23 中冶长天国际工程有限责任公司 Automatic ash-discharging system, automatic ash-discharging control method and device
CN113296424A (en) * 2020-09-30 2021-08-24 湖南长天自控工程有限公司 Ash discharge control system and method based on bus
CN113291846A (en) * 2020-09-30 2021-08-24 湖南长天自控工程有限公司 Ash discharge control system and method based on carrier communication

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Publication number Priority date Publication date Assignee Title
JPH04145273A (en) * 1990-10-08 1992-05-19 Noritz Corp Motor-driven three-way valve
CN2619113Y (en) * 2003-05-23 2004-06-02 成都西南电子衡器工业有限公司 Flexible material flow control valve
CN202023975U (en) * 2011-03-28 2011-11-02 焦作市迈科冶金机械有限公司 Double-layer cinder valve control system
CN202670677U (en) * 2012-07-30 2013-01-16 重庆钢铁(集团)有限责任公司 Locking control system of belt and cinder-discharging valve
CN202765782U (en) * 2012-08-20 2013-03-06 江苏省苏中建设集团股份有限公司 Delay control circuit under full state of feeder
CN203512679U (en) * 2013-08-27 2014-04-02 河南河顺自动化设备有限公司 Automatic loading and feeding device and control circuit thereof
CN204677852U (en) * 2015-06-01 2015-09-30 江苏星光波纹管有限公司 A kind of electric control system of unloading valve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04145273A (en) * 1990-10-08 1992-05-19 Noritz Corp Motor-driven three-way valve
CN2619113Y (en) * 2003-05-23 2004-06-02 成都西南电子衡器工业有限公司 Flexible material flow control valve
CN202023975U (en) * 2011-03-28 2011-11-02 焦作市迈科冶金机械有限公司 Double-layer cinder valve control system
CN202670677U (en) * 2012-07-30 2013-01-16 重庆钢铁(集团)有限责任公司 Locking control system of belt and cinder-discharging valve
CN202765782U (en) * 2012-08-20 2013-03-06 江苏省苏中建设集团股份有限公司 Delay control circuit under full state of feeder
CN203512679U (en) * 2013-08-27 2014-04-02 河南河顺自动化设备有限公司 Automatic loading and feeding device and control circuit thereof
CN204677852U (en) * 2015-06-01 2015-09-30 江苏星光波纹管有限公司 A kind of electric control system of unloading valve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110155747A (en) * 2019-06-06 2019-08-23 中冶长天国际工程有限责任公司 Automatic ash-discharging system, automatic ash-discharging control method and device
CN113296424A (en) * 2020-09-30 2021-08-24 湖南长天自控工程有限公司 Ash discharge control system and method based on bus
CN113291846A (en) * 2020-09-30 2021-08-24 湖南长天自控工程有限公司 Ash discharge control system and method based on carrier communication
CN113291846B (en) * 2020-09-30 2022-10-21 湖南长天自控工程有限公司 Ash discharge control system and method based on carrier communication

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