CN204823104U - Stifled device is prevented to defeated coal belt of power plant - Google Patents
Stifled device is prevented to defeated coal belt of power plant Download PDFInfo
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- CN204823104U CN204823104U CN201520596513.3U CN201520596513U CN204823104U CN 204823104 U CN204823104 U CN 204823104U CN 201520596513 U CN201520596513 U CN 201520596513U CN 204823104 U CN204823104 U CN 204823104U
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Abstract
The utility model discloses a stifled device is prevented to defeated coal belt of power plant, it includes: a coal breakage section of thick bamboo, install in the defeated coal belt of coal breakage section of thick bamboo pan feeding end of coal breakage section of thick bamboo pan feeding end, it is provided with the first laser coal that is used for surveying pan feeding torrential flow volume and flows the detector, install in the defeated coal belt of the coal breakage section of thick bamboo discharge end of coal breakage section of thick bamboo discharge end, it is provided with the second laser coal that is used for surveying the discharge end flow and flows the detector, the signal output part that first, second laser coal flows the detector connects in the controller, and this controller connects in the device of warning. The utility model discloses can prevent the emergence of the defeated coal belt chute blockage phenomenon of power plant, improve the efficiency on the defeated seam way of whole piece, reduce intensity of labour.
Description
Technical field
The utility model relates to a kind of coal conveyer belt of power plant anti-block apparatus.
Background technology
Due to the physical property difference (viscosity, grain size etc.) of each coal coal self, and the instability of coal flow on belt, near coal conveyer belt coal conduit, often cause chute blockage phenomenon, do not detect preferably at present and solution.When traditional blocking rotary type chute blockage switch sends warning, coal breakage bucket has blocked, and often needs to stop belt and even also manually will go thin disclosing.Chute blockage switch fault rate is high, and fault can not Timeliness coverage, and rate of false alarm is high.
Utility model content
The purpose of this utility model is exactly to solve the problem, and provides a kind of coal conveyer belt of power plant anti-block apparatus preventing coal conveyer belt from occurring chute blockage.
To achieve these goals, the utility model adopts following technical scheme:
Coal conveyer belt of power plant anti-block apparatus, it comprises:
Coal conduit (101);
Be installed on the coal conduit feeding end coal conveyer belt (103) of coal conduit feeding end, it is provided with the first laser coal stream detector (102) for detecting feeding end flow;
Be installed on coal conduit discharge end coal conveyer belt (103 ') of coal conduit discharge end, it is provided with the second laser coal stream detector (102 ') for detecting discharge end flow;
First, second laser coal stream detector described comprises:
One shell (304);
One mounting bracket (308) being installed on shell;
One is installed on the laser scanner body (301) in shell, it has the laser-scan instrument probe (302) stretching out shell, described laser-scan instrument probe place is provided with probe telescoping mechanism (305), the signal output part of this laser scanner body is connected to main control unit, and this main control unit is made up of Industry Control PLC module able to programme;
One is installed on shell and probe covers (303) for protecting laser-scan instrument probe;
Sequentially be installed on the dust-proof fan (306) at shell rear portion, dustproof filter screen (307).
The signal output part of first, second laser coal stream detector described is connected to controller, and this controller is connected to telltale.
Described coal conduit feeding end coal conveyer belt (103) top is provided with video monitoring camera (104).
The utility model has following beneficial effect: the generation preventing coal conveyer belt of power plant chute blockage phenomenon, improves the efficiency on the defeated seam road of whole piece, reduces labour intensity.
Accompanying drawing explanation
Fig. 1 is coal conveyer belt of power plant anti-block apparatus schematic diagram.
Fig. 2 is coal conveyer belt laser coal flow gauge front view.
Fig. 3 is coal conveyer belt laser coal flow gauge upward view.
Fig. 4 is coal conveyer belt laser coal flow gauge left view.
Description of reference numerals:
101, coal conduit; 102, the first laser coal stream detector; 102 ', second laser coal stream detector; 103, coal conduit feeding end coal conveyer belt; 103 ', coal conduit discharge end coal conveyer belt; 104, video monitoring camera.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the utility model further.
As shown in Figure 1, coal conveyer belt of power plant anti-block apparatus, it comprises: coal conduit 101; Be installed on the coal conduit feeding end coal conveyer belt 103 of coal conduit feeding end, it is provided with the first laser coal stream detector 102 for detecting feeding end flow; Be installed on the coal conduit discharge end coal conveyer belt 103 ' of coal conduit discharge end, it is provided with the second laser coal stream detector 102 ' for detecting discharge end flow.
See Fig. 2-4, coal conveyer belt laser coal flow gauge (" hereinafter referred to as " survey meter "), it comprises: laser scanner body 301, laser-scan instrument probe 302, probe covers 303, shell 304, probe telescoping mechanism 305, dust-proof fan 306, dustproof filter screen 307, mounting bracket 308, filter screen guard shield 309.
As shown in Figure 1, the left side of this figure is the rear portion of shell, and the right side of this figure is the front portion of shell.
The shell 304 of this survey meter is square structure substantially, and for ease of upkeep operation, described cover top portion can arrange openable cover body structure.
Fixation is played to whole survey meter and is installed on the mounting bracket 308 of shell, it can need to carry out height according to scene and regulate, such as on mounting bracket, rational height regulating mechanism then can realize regulatory function by actv., and this height adjustment mechanism includes but are not limited to cylinder adjustment structure, screw mandrel regulating mechanism, height of screw thread adjustment structure.
Be installed on the laser scanner body 301 in shell, it has the laser-scan instrument probe 302 stretching out shell, this laser-scan instrument probe is positioned at the front portion of this shell, this laser-scan instrument probe is used for detecting belt section in real time and amasss, described laser-scan instrument probe place is provided with probe telescoping mechanism 305, when equipment runs, probe telescoping mechanism opening, when equipment is out of service, detection telescoping mechanism is then closed, the signal output part of this laser scanner body is connected to main control unit, this main control unit is made up of Industry Control PLC module able to programme, so that receive the information obtained by laser-scan instrument probe.Described shell is provided with the probe covers 303 for protecting laser-scan instrument probe.
Sequentially be installed on the dust-proof fan 306 at shell rear portion, dustproof filter screen 307, this dust-proof fan is intended to ensure that survey meter air pressure inside is higher than outside, and the micro-blowing formed from inside to outside, prevent dust from entering survey meter inner and cause detecting head surface adsorbing powder dust, described shell rear portion is provided with the filter screen guard shield 309 dust-proof fan, dustproof filter screen being played to protective action.
The length of this survey meter is 507mm, and width is 237.5mm, is highly 185mm (not calculating the height of mounting bracket).
This survey meter is based on following principle:
Operating strap cross-section information is obtained, utilize main control unit to carry out cross-sectional area that geometric operation draws material by laser-scan instrument probe.Instant flow rate Q=f (S.V)=ρ f (S), ρ be constant (with material density, coefficient of correction about), v is the running velocity of belt, s be belt run time material sectional area.This survey meter integration standard industrial field bus interface (ModbusEthernet agreement), convenient and bucket wheel machine control system carries out data exchange.
The signal output part of first, second laser coal stream detector described is connected to controller, and this controller is connected to telltale.
Video monitoring camera 104 is provided with above described coal conduit feeding end coal conveyer belt 103.
Coal transports on coal conduit feeding end coal conveyer belt 103, when arriving near coal conduit 101, by the first laser coal stream detector 102, measure coal input quantity, coal from coal conduit 101 out after, then measure coal output by the second laser coal stream detector 102, when finding that growing scuttle flow sum is significantly less than into coal breakage bucket flow, system is carried and is just sent warning, and remind operations staff, operations staff is by video check, confirmation.
The foregoing is only preferred implementation of the present utility model, protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme belonging to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, the some improvement carried out under the prerequisite not departing from principle of the present utility model, these improvement also should be considered as protection domain of the present utility model.
Claims (2)
1. coal conveyer belt of power plant anti-block apparatus, is characterized in that, comprising:
Coal conduit (101);
Be installed on the coal conduit feeding end coal conveyer belt (103) of coal conduit feeding end, it is provided with the first laser coal stream detector (102) for detecting feeding end flow;
Be installed on coal conduit discharge end coal conveyer belt (103 ') of coal conduit discharge end, it is provided with the second laser coal stream detector (102 ') for detecting discharge end flow;
First, second laser coal stream detector described comprises:
One shell (304);
One mounting bracket (308) being installed on shell;
One is installed on the laser scanner body (301) in shell, it has the laser-scan instrument probe (302) stretching out shell, described laser-scan instrument probe place is provided with probe telescoping mechanism (305), the signal output part of this laser scanner body is connected to main control unit, and this main control unit is made up of Industry Control PLC module able to programme;
One is installed on shell and probe covers (303) for protecting laser-scan instrument probe;
Sequentially be installed on the dust-proof fan (306) at shell rear portion, dustproof filter screen (307),
The signal output part of first, second laser coal stream detector described is connected to controller, and this controller is connected to telltale.
2. coal conveyer belt of power plant anti-block apparatus according to claim 1, is characterized in that, described coal conduit feeding end coal conveyer belt (103) top is provided with video monitoring camera (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520596513.3U CN204823104U (en) | 2015-08-08 | 2015-08-08 | Stifled device is prevented to defeated coal belt of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520596513.3U CN204823104U (en) | 2015-08-08 | 2015-08-08 | Stifled device is prevented to defeated coal belt of power plant |
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| Publication Number | Publication Date |
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| CN204823104U true CN204823104U (en) | 2015-12-02 |
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| CN201520596513.3U Active CN204823104U (en) | 2015-08-08 | 2015-08-08 | Stifled device is prevented to defeated coal belt of power plant |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702755A (en) * | 2017-11-27 | 2018-02-16 | 宁夏广天夏电子科技有限公司 | Belt conveyor flow detector and detection method |
| CN110065790A (en) * | 2019-04-25 | 2019-07-30 | 中国矿业大学 | A kind of coal mine leather belt transhipment head choke detecting method of view-based access control model algorithm |
| CN112897122A (en) * | 2020-12-31 | 2021-06-04 | 国电投南阳热电有限责任公司 | Based on AI chute blockage identification system |
| CN113879805A (en) * | 2021-10-26 | 2022-01-04 | 北京华能新锐控制技术有限公司 | Coal chute coal blockage identification system |
-
2015
- 2015-08-08 CN CN201520596513.3U patent/CN204823104U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702755A (en) * | 2017-11-27 | 2018-02-16 | 宁夏广天夏电子科技有限公司 | Belt conveyor flow detector and detection method |
| CN110065790A (en) * | 2019-04-25 | 2019-07-30 | 中国矿业大学 | A kind of coal mine leather belt transhipment head choke detecting method of view-based access control model algorithm |
| CN112897122A (en) * | 2020-12-31 | 2021-06-04 | 国电投南阳热电有限责任公司 | Based on AI chute blockage identification system |
| CN113879805A (en) * | 2021-10-26 | 2022-01-04 | 北京华能新锐控制技术有限公司 | Coal chute coal blockage identification system |
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