CN101746614B - Device and method for monitoring blockage during discharge process - Google Patents
Device and method for monitoring blockage during discharge process Download PDFInfo
- Publication number
- CN101746614B CN101746614B CN2009102275506A CN200910227550A CN101746614B CN 101746614 B CN101746614 B CN 101746614B CN 2009102275506 A CN2009102275506 A CN 2009102275506A CN 200910227550 A CN200910227550 A CN 200910227550A CN 101746614 B CN101746614 B CN 101746614B
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Abstract
The invention relates to a device and a method for monitoring the blockage during the discharge process, in particular to the monitoring and the judgment of the blockage state during the discharge process in an automatic discharge system for a coal bunker. As a common sensor can not effectively monitor for a long time, the mechanical block breaking or blasting arch breaking is carried out by manpower after empirical judgment only depending on observing the material flow state at a discharge mechanical outlet by manpower, thereby influencing the discharge efficiency and existing potential safety hazards. The invention provides safe and reliable device and method for monitoring the blockage during the discharge process aiming at the conditions, a group of electromechanical assembling pieces for converting mechanical sliding action into an electric signal and sending is arranged at the bottom of an inclined slide carriage, a swing plate is driven by the gravity and the sliding impulse force of coals to rotate when the coals flows through the swing plate through the inclined slide carriage so as to press a corresponding anti-explosion electric switch and judge the blockage type of discharging materials according to the signal state. By adopting the technical schemes, the invention can realize the monitoring and the judgment to the material blockage state in a coal channel and has reliable performance.
Description
Technical field
The present invention relates to a kind of discharge process and stop up monitoring device and method, especially relate to the monitoring and the judgement of discharge process blockage in the automatic discharge system of coal bunker.
Background technology
Utilize the gravity of coal charge flow automatically discharging be at present both at home and abroad enterprise adopt more a kind of energy-conservation discharge method, the automatic discharge system of coal bunker directly links to each other with coal bunker, is positioned at bottom the coal bunker, by a tapered channel and discharging mechanical composition.The size of discharging amount is confirmed by the variable openings amount that the control of the oil cylinder in discharging machinery unloader gate forms.
Because coal charge complicated component in the storehouse, the coal cinder size shape is different, coal charge arch camber or at discharging machinery variable openings place bulk takes place and stop up in tapered channel often occurs so the coal bunker discharge system is in operation, and causes the smooth or interruption of discharging.So, in time, safety, arch camber or bulk are stopped up monitored and judge will help to shorten and dredge the stifled time exactly, improve discharging efficient.Because the coal bunker internal volume is big, the material situation is extremely complicated in the storehouse, and general infrared, super sonic class sensor can't monitor its in-to-in coal charge stopping state and judge long-term effectively.So the stopping state of coal charge mainly relies on artificial fluidised form at discharging machinery outlet observation material to judge by rule of thumb in the coal bunker discharge process at present, influences discharging efficient, has potential safety hazard.
Summary of the invention
The object of the present invention is to provide a kind of monitoring device and method that can satisfy the automatic discharge system application of coal bunker; Can realize the monitoring that the coal bunker discharge process stops up; Automatically unloading in the coal channel is that arch camber is stopped up or bulk is stopped up, and starts cooresponding thin block apparatus through electric signal.
The technical scheme that the present invention adopts is: the bottom of the inclination slide carriage of the automatic discharge system of coal bunker that must pass through at coal charge, and install one group side by side and can convert mechanical wobbling action to electrical equipment unit's component that electric signal sends.Wherein, electrical equipment unit's component comprise the housing that is located by connecting with inclination slide carriage bottom, the rotating shaft that is located by connecting with the housing biside plate, the explosion-proof electrification switch that can mechanical wobbling action be become electric signal output that is sleeved on the mechanical oscillating deck in the rotating shaft and is sleeved on the torsion spring that makes machinery swing sheet reset in the rotating shaft, is located by connecting with housing bottom.
When the normal discharging of coal charge through tapered channel when the slide carriage that tilts flows through mechanical oscillating deck; The gravity of coal charge and downslide impulse force act on mechanical oscillating deck simultaneously; This application force can overcome the spring force of torsion spring; Mechanical oscillating deck is rotated around the axis, depress cooresponding explosion-proof electrification switch until mechanical oscillating deck; When discharge process occur to stop up, the gravity of coal charge and the sliding force application force on part or all of mechanical oscillating deck will reduce, even was zero, and corresponding mechanical oscillating deck will lift under the effect of torsion spring, the contacting of disconnection and explosion-proof electrification switch.Monitoring and the basis for estimation stopped up as discharge process with the state of explosion-proof electrification on-off signal.The criterion of judging is: under the state that coal bunker is not unstowed or discharging does not stop, if whole mechanical oscillating decks are all depressed corresponding explosion-proof electrification switch, explain that discharging is smooth and easy, do not have latch up phenomenon to take place; If only there is part machinery oscillating deck to depress corresponding explosion-proof electrification switch, explain that at discharging machinery variable openings place bulk taking place stops up; If whole mechanical oscillating decks are not all depressed cooresponding explosion-proof electrification switch, explain that then the arch camber obstruction appears in the tapered channel place in discharge channel.
The useful effect that the present invention has is:
The present invention can realize reliable monitoring and the judgement to coal charge blockage in the coal bunker discharge system, helps to implement timely and accurately to dredge to block up, and improves discharging efficient.
Description of drawings
Fig. 1 is the structure principle chart that discharge process of the present invention stops up detecting device
Fig. 2 is that discharge process of the present invention stops up the detecting device scheme of installation
Among the figure: 1, coal bunker, 2, the inclination slide carriage, 3, mechanical oscillating deck, 4, torsion spring, 5, rotating shaft, 6, electrical equipment unit's component housing, 7, the explosion-proof electrification switch, 8, discharging machinery, 9, the unloader gate, 10, oil cylinder, 11, electrical equipment unit's component
The specific embodiment
The automatic discharge system of coal bunker utilizes the discharging of flowing automatically of the gravity of coal charge, and the size of discharging amount is definite by the variable openings amount that the 10 control unloader gates 9 of the oil cylinder in the discharging machinery form.Be depicted as a kind of discharge process like Fig. 1,2 and stop up monitoring device, be installed in inclination slide carriage 2 bottoms of the following discharging machinery 8 of coal bunker 1 outlet.This device comprises one group of electrical equipment unit's component 11 of installing side by side.The rotating shaft 5 that electrical equipment unit's component 11 comprises the housing 6 that is located by connecting with inclination slide carriage 2 bottoms, be located by connecting with housing 6 biside plates, the explosion-proof electrification switch 7 that can mechanical wobbling action be become electric signal output that is sleeved on the mechanical oscillating deck 3 in the rotating shaft 5 and is sleeved on torsion spring 4 that mechanical oscillating deck 3 is resetted, is located by connecting with housing 6 bottoms.
When the normal discharging of coal charge when tapered channel to the slide carriage 2 that tilts flows through mechanical oscillating deck 3; The gravity of coal charge and downslide impulse force act on mechanical oscillating deck 3 simultaneously; This application force can overcome the spring force of torsion spring 4; Mechanical oscillating deck 35 is rotated around the shaft, depress cooresponding explosion-proof electrification switch 7 until mechanical oscillating deck 3; When stopping up appears in discharge process; The gravity of coal charge and the sliding force application force on part or all of mechanical oscillating deck 3 will reduce; Even be zero, corresponding mechanical oscillating deck 3 will lift under the effect of torsion spring 4, breaks off and the contacting of explosion-proof electric apparatus switch 7.Monitoring and the basis for estimation stopped up as discharge process with the signal condition of explosion-proof electrification switch 7.The criterion of judging is: under the state that coal bunker is not unstowed or discharging does not stop, if whole mechanical oscillating decks 3 are all depressed corresponding explosion-proof electrification switch 7, explain that discharging is smooth and easy; If only there is part machinery oscillating deck 3 to depress corresponding explosion-proof electrification switch 7, explain that at discharging machinery variable openings place bulk taking place stops up; If whole mechanical oscillating decks 3 are not all depressed its cooresponding explosion-proof electrification switch 7, explain that then the arch camber obstruction appears in the bell place in discharge channel.
Thus, the present invention uses one group of electrical equipment unit's component, cooperates cooresponding judgment criterion, has realized monitoring and judgement that the automatic discharge system discharge process of coal bunker is stopped up.
Claims (3)
1. the discharge process of a coal supply storehouse discharge system use stops up monitoring device; This device comprises the discharging machinery (8) that coal bunker (1) and coal bunker (1) bottom are located by connecting; Discharging machinery (8) in-to-in one side is equipped with the unloader gate (9) that is rotated by oil cylinder (10) control; Discharging machinery (8) in-to-in opposite side is equipped with inclination slide carriage (2) and the one group of electrical equipment unit's component (11) installed side by side that is positioned at inclination slide carriage (2) bottom, it is characterized in that: the rotating shaft (5) that electrical equipment unit's component (11) comprises the housing (6) that is located by connecting with inclination slide carriage (2) bottom, be located by connecting with housing (6) biside plate, be sleeved on mechanical oscillating deck (3) in the rotating shaft (5), be sleeved on and make torsion spring (4) that mechanical oscillating deck (3) resets in the rotating shaft (5) and can mechanical wobbling action be become the explosion-proof electrification switch (7) that electric signal is exported with housing (6) bottom is located by connecting.
2. the discharge process that coal supply according to claim 1 storehouse discharge system uses stops up monitoring device, it is characterized in that: utilize the gravity of coal charge and downslide impulse force that the mechanical oscillating deck (3) of inclination slide carriage (2) bottom is rotated, trigger explosion-proof electrification switch (7).
3. a discharge process that uses the described coal supply of claim 1 storehouse discharge system to use stops up the monitoring method of monitoring device; It is characterized in that: the logic determines criterion of concrete blocked state is under the state that coal charge is not unstowed or discharging does not stop in coal bunker (1); If whole mechanical oscillating decks (3) are all depressed corresponding explosion-proof electrification switch (7), explain that discharging is smooth and easy; If only there is part machinery oscillating deck (3) to depress corresponding explosion-proof electrification switch (7), explain that the variable openings place that between inclination slide carriage (2) is with unloader gate (9), constitutes bulk takes place stops up; If whole mechanical oscillating decks (3) are not all depressed cooresponding explosion-proof electrification switch (7), explain that then arch camber occurring at coal bunker lower taper passage place stops up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102275506A CN101746614B (en) | 2009-12-21 | 2009-12-21 | Device and method for monitoring blockage during discharge process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102275506A CN101746614B (en) | 2009-12-21 | 2009-12-21 | Device and method for monitoring blockage during discharge process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101746614A CN101746614A (en) | 2010-06-23 |
| CN101746614B true CN101746614B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102275506A Expired - Fee Related CN101746614B (en) | 2009-12-21 | 2009-12-21 | Device and method for monitoring blockage during discharge process |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616551B (en) * | 2012-05-22 | 2013-12-25 | 太原理工大学 | Blockage prevention detection control device |
| CN103193040B (en) * | 2013-04-01 | 2015-03-25 | 长沙通发高新技术开发有限公司 | Discharging gate and fluidized bed discharging device |
| US10380825B2 (en) | 2014-03-28 | 2019-08-13 | Siemens Healthcare Diagnostics Inc. | Feeder system for feeding items |
| CN110886232B (en) * | 2019-12-17 | 2021-02-02 | 成都市路桥工程股份有限公司 | Bridge construction equipment |
| CN111824795A (en) * | 2020-07-31 | 2020-10-27 | 国网河南省电力公司西峡县供电公司 | Cement powder auxiliary device that unloads for column stave |
| CN114249143B (en) * | 2021-12-21 | 2023-11-10 | 中国电建集团华东勘测设计研究院有限公司 | Discharge port blocking monitoring method and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2162499A (en) * | 1984-07-30 | 1986-02-05 | Asahi Breweries Ltd | Method of and means for preventing clogging of light powdery granules in apparatus for treating the granules |
| CN201264816Y (en) * | 2008-07-30 | 2009-07-01 | 秦皇岛港股份有限公司 | Coal overflow preventing apparatus of belt conveyer transfer tower |
| CN201284154Y (en) * | 2008-09-11 | 2009-08-05 | 宝山钢铁股份有限公司 | Blanking detection device of mineral powder material bin |
-
2009
- 2009-12-21 CN CN2009102275506A patent/CN101746614B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2162499A (en) * | 1984-07-30 | 1986-02-05 | Asahi Breweries Ltd | Method of and means for preventing clogging of light powdery granules in apparatus for treating the granules |
| CN201264816Y (en) * | 2008-07-30 | 2009-07-01 | 秦皇岛港股份有限公司 | Coal overflow preventing apparatus of belt conveyer transfer tower |
| CN201284154Y (en) * | 2008-09-11 | 2009-08-05 | 宝山钢铁股份有限公司 | Blanking detection device of mineral powder material bin |
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| Publication number | Publication date |
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| CN101746614A (en) | 2010-06-23 |
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Granted publication date: 20120530 Termination date: 20121221 |