CN209842057U - Portable survey burnt mechanism based on ultrasonic wave - Google Patents
Portable survey burnt mechanism based on ultrasonic wave Download PDFInfo
- Publication number
- CN209842057U CN209842057U CN201920554096.4U CN201920554096U CN209842057U CN 209842057 U CN209842057 U CN 209842057U CN 201920554096 U CN201920554096 U CN 201920554096U CN 209842057 U CN209842057 U CN 209842057U
- Authority
- CN
- China
- Prior art keywords
- ash
- signal
- ultrasonic
- outlet
- receiving end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Abstract
The utility model belongs to slag discharging system supervisory equipment field, in particular to burnt mechanism is surveyed to portable based on ultrasonic wave, survey burnt mechanism and install in the ash hole department of ash discharging device bottom, including the ultrasonic ranging appearance body, connect signal transmission end and the signal reception end on the ultrasonic ranging appearance body, signal transmission end and signal reception end are located the both sides of the axis of ash hole respectively to make signal transmission end just to signal reception end transmitted signal, judge the unobstructed condition of ash hole through the condition of ultrasonic signal arrival signal reception end.
Description
Technical Field
The utility model belongs to slag tapping system supervisory equipment field, in particular to burnt mechanism is surveyed to portable based on ultrasonic wave.
Background
In the ash discharge system of thermal power factory, if meet the coking of slag charge, fall burnt, easily block up the slag notch, influence and normally descend the sediment, need in time remove the burnt piece this moment, ensure the normal clear of slagging tap. In order to carry out real time monitoring to the condition of slagging tap, generally can be near the slag notch installation camera, but the in-process of slagging tap is difficult to avoid the dust to fly upward, and the dust not only causes the pollution to the surface covering back of camera, still seriously influences the visual degree that the control was made a video recording, brings very big inconvenience.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a portable coke measuring mechanism based on ultrasonic waves, which is arranged at a dust outlet with a vertically downward opening at the bottom of the dust outlet device, and comprises an ultrasonic range finder body, a signal transmitting end and a signal receiving end, wherein the signal transmitting end and the signal receiving end are connected with the ultrasonic range finder body, the signal transmitting end and the signal receiving end are arranged below the dust outlet and are arranged at the side of a vertical dust flow discharged from the dust outlet, the signal transmitting end and the signal receiving end are mutually symmetrical by taking the central axis of the dust outlet as a reference, the signal transmitting end is just opposite to the signal receiving end to transmit signals, a straight line connecting line between the signal transmitting end and the signal receiving end just passes through the central axis of the dust outlet, all parts of the coke measuring mechanism are far away from the position under the dust outlet and are prevented from being hit by dust discharged,
the ash outlet and the ash discharging device are communicated with each other through a vertical inverted conical cylindrical passage.
Preferably, the method comprises the following steps: the focus measuring mechanism also comprises a controller and an alarm, and the ultrasonic range finder body and the alarm are respectively in signal connection with the controller;
preferably, the method comprises the following steps: and a first strong air blowing nozzle is arranged right above the signal transmitting end, the air outlet of the first strong air blowing nozzle is obliquely and downwards aligned with the signal receiving end, a second strong air blowing nozzle is arranged right above the signal receiving end, and the air outlet of the second strong air blowing nozzle is obliquely and downwards aligned with the signal transmitting end.
Drawings
FIG. 1 is a schematic structural diagram (front view) of the ultrasonic-based portable focus measuring mechanism of the present invention,
FIG. 2 is a cross-sectional view (top view) taken along line A-A of FIG. 1 without regard to the first and second high air blowing nozzles,
FIG. 3 is a schematic diagram of the ultrasonic signal emitted from the ash particles on the forward path of the ash discharge port and failing to reach the signal receiving end (the dotted line in this figure represents the ultrasonic signal emitted from the signal emitting end),
FIG. 4 is a schematic diagram of the ultrasonic signal just completely passing through the gap to the signal receiving end when the ash outlet discharges ash normally (the dotted line in this figure represents the ultrasonic signal emitted from the signal emitting end),
the device comprises an ash discharging device 1, an ash discharging port 11, a channel 12, an ultrasonic range finder body 2, a signal transmitting end 3, a signal receiving end 4, a controller 5, an alarm 6, a first strong air blowing nozzle 7, a second strong air blowing nozzle 8 and ash powder particles 9.
Detailed Description
As shown in the attached drawing, the portable ultrasonic-based coke measuring mechanism of the present invention is installed near a circular ash outlet 11 (the ash outlet 11 is communicated with the ash outlet 1 through a vertical inverted-conical-cylindrical passage 12, and a slag clamping device is arranged in the ash outlet 1, so that slag enters the passage 12 and the ash outlet 11 after being crushed to a certain degree), and comprises an ultrasonic range finder body 2, a signal transmitting end 3 and a signal receiving end 4 which are oppositely arranged and connected to the ultrasonic range finder body 2, the signal transmitting end 3 and the signal receiving end 4 are located below the ash outlet 11 and beside a vertical ash powder flow discharged from the ash outlet 11, and are symmetrical with respect to each other by taking a vertical central axis of the ash outlet 11 as a reference, the signal transmitting end 3 just faces the signal receiving end 4 to transmit signals, a straight line between the signal transmitting end 3 and the signal receiving end 4 just passes through the central axis of the ash outlet 11, each part of the coke measuring mechanism is far away from the position under the ash outlet 11 to avoid being hit by ash discharged from the ash outlet 11,
the focus measuring mechanism also comprises a controller 5 and an alarm 6, the ultrasonic range finder body 2 and the alarm 6 are respectively in signal connection with the controller 5,
a first strong air blowing nozzle 7 is arranged right above the signal transmitting end 3, and the air outlet of the first strong air blowing nozzle 7 is obliquely downwards aligned with the signal receiving end 4; a second strong air blowing nozzle 8 is arranged right above the signal receiving end 4, and the air outlet of the second strong air blowing nozzle 8 is obliquely and downwards aligned with the signal transmitting end 3.
Based on the above structure, the signal transmitting terminal 3 is arranged at a certain frequency (the frequency is set as V)0) Regularly sends ultrasonic signals to the signal receiving end 4, when the ash outlet 11 discharges ash outwards, the ultrasonic signals sent by the signal transmitting end 3 can be stably and continuously transmitted to the signal receiving end 4,
when the ash outlet 11 discharges ash downwards, the ultrasonic signal emitted by the signal emitting end 3 is emitted once meeting the ash particles 9 on the advancing path and cannot reach the signal receiving end 4 (as shown in fig. 3), but considering that the ash discharged downwards from the ash outlet 11 falls in a columnar form and the ash column is in a loose state in the falling process (gaps exist between the particles 9 and the particles 9 in the ash column), a small part of the ultrasonic signal is likely to pass through the gaps right completely on the advancing path and cannot meet the particles 9, so that reflection does not occur, and the small part of the ultrasonic signal can reach the signal receiving end 4 (as shown in fig. 4). Macroscopically, after the ash discharge port 11 starts to discharge ash downwards, the frequency of the signals received by the signal receiving end 4 is obviously less than V0Let the frequency at this time be V1According to the actual situation, the loosening degree of the ash (namely the ash discharge amount in unit time) during slag discharging can be adjusted, thereby realizing V1The adjustment of (a) is carried out,
however, when the large coke block is stuck at the ash outlet 11, the amount of ash powder discharged downwards from the ash outlet 11 is greatly reduced, even the ash powder is blocked until the ash powder cannot be discharged, and the blocking of the ultrasonic signal by the ash powder is reversed at the momentThe shooting effect is far less obvious than that of the normal ash discharge in the previous section, so that the frequency of the signals received by the signal receiving end 4 is obviously higher than V in macroscopic view1Even approaching V0(ii) a Another situation when the ash outlet 11 is stuck by a large coke block is as follows: because the passageway 12 that adopts vertical inverted cone cylindricality communicates ash hole 11 with ash discharging device 1, the opening is big above the passageway 12, the opening below is little, some big burnt pieces still can get into passageway 12 from the upper end of passageway 12, but can't pass through the ash hole 11 of below smoothly and block in ash hole 11 department, this big burnt piece has irregular shape simultaneously, the burnt piece is last partly to be strikeed by ultrasonic signal after stretching out ash hole 11 downwards, like this, ultrasonic signal is stopped totally by the burnt piece and is leaded to signal receiving terminal 4 not to receive ultrasonic signal again. In practical application, the signal receiving end 4 feeds back the signal to the controller 5 through the ultrasonic range finder body 2 after receiving the signal each time, and in case that the frequency of the feedback received by the controller 5 is obviously increased or the feedback cannot be received within a long time, the alarm 6 is controlled to give an alarm to remind an operator in time so as to check or dredge the ash outlet 11 as soon as possible,
the whole monitoring process does not need to adopt a camera, so that the limitation that the visibility is influenced by the fact that the camera is easy to be dirty is eliminated, and the monitoring video transmitted by the camera does not need to be stared tightly by people or often viewed;
in the scheme, the signal transmitting end 3 and the signal receiving end 4 are arranged in a straight line opposite manner, so that the signal transmitted by the signal transmitting end 3 directly reaches the signal receiving end 4, and in comparison, in the measure that the signal transmitted by the signal transmitting end 3 is reflected after encountering an obstacle and then reaches the signal receiving end 4, because the obstacle is often irregular (as shown in figures 3 and 4), the reflected signal can hardly reach the receiving end accurately; the scheme does not have the problem, because the scheme completely utilizes the gaps among the particles 9 in the loose ash column as the transmission path (such as the attached figures 3 and 4), is irrelevant to the structural shape of the barriers of the particles 9, and can adjust the loosening degree of the ash during slag discharging by adjusting the ash discharging amount in unit time, namely adjusting the size of the gaps among the particles 9 as the transmission path, so that the operability is obviously enhanced.
The first strong air blowing nozzle 7 and the second strong air blowing nozzle 8 are arranged, the air outlet is close to the signal transmitting end 3 and the signal receiving end 4, strong air blowing can be timely carried out on the ultrasonic signal outlet and the ultrasonic signal inlet, and the phenomenon that dust is adhered to the ultrasonic signal outlet to influence the transmission and the reception of signals is avoided.
Claims (3)
1. The utility model provides a burnt mechanism is surveyed to portable based on ultrasonic wave which characterized in that: the coke measuring mechanism is arranged near an ash outlet (11) with a vertically downward opening at the bottom of an ash discharging device (1), and comprises an ultrasonic range finder body (2), and a signal transmitting end (3) and a signal receiving end (4) which are connected to the ultrasonic range finder body (2) and arranged oppositely, wherein the signal transmitting end (3) and the signal receiving end (4) are positioned below the ash outlet (11) and positioned at the side of a vertical ash powder material flow discharged from the ash outlet (11), and are mutually symmetrical by taking the central axis of the ash outlet (11) as a reference, the signal transmitting end (3) is over against the signal receiving end (4) to transmit signals, and all parts of the coke measuring mechanism are far away from the ash outlet (11) to avoid being hit by the ash material discharged from the ash outlet (11),
the ash outlet (11) is communicated with the ash discharging device (1) through a vertical inverted conical cylindrical passage (12).
2. The ultrasonic-based portable focus measurement mechanism of claim 1, wherein: the focus measuring mechanism further comprises a controller (5) and an alarm (6), and the ultrasonic range finder body (2) and the alarm (6) are respectively in signal connection with the controller (5).
3. The ultrasonic-based portable focus measurement mechanism of claim 1, wherein: a first strong air blowing nozzle (7) is arranged right above the signal transmitting end (3), and an air outlet of the first strong air blowing nozzle (7) is obliquely and downwards aligned with the signal receiving end (4); and a second strong air blowing nozzle (8) is arranged right above the signal receiving end (4), and the air outlet of the second strong air blowing nozzle (8) is obliquely aligned with the signal transmitting end (3) downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920554096.4U CN209842057U (en) | 2019-04-23 | 2019-04-23 | Portable survey burnt mechanism based on ultrasonic wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920554096.4U CN209842057U (en) | 2019-04-23 | 2019-04-23 | Portable survey burnt mechanism based on ultrasonic wave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209842057U true CN209842057U (en) | 2019-12-24 |
Family
ID=68913020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920554096.4U Active CN209842057U (en) | 2019-04-23 | 2019-04-23 | Portable survey burnt mechanism based on ultrasonic wave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209842057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884643A (en) * | 2019-04-23 | 2019-06-14 | 国家能源集团谏壁发电厂 | A kind of portable survey focusing mechanism based on ultrasound |
-
2019
- 2019-04-23 CN CN201920554096.4U patent/CN209842057U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884643A (en) * | 2019-04-23 | 2019-06-14 | 国家能源集团谏壁发电厂 | A kind of portable survey focusing mechanism based on ultrasound |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209842057U (en) | Portable survey burnt mechanism based on ultrasonic wave | |
| WO2022193621A1 (en) | Automatic control method and system for powder feeding system | |
| CN103548802B (en) | Self-propelled spraying machine with automatic targeting in orchard and spraying method thereof | |
| CN109839160A (en) | Flow detection device, flow rate testing methods and spray appliance | |
| CN104740818A (en) | Automatic fire extinguishing method and system for intelligent gun employing compressed air foam | |
| CN214995620U (en) | Indoor garbage cleaning and transporting system for small high-rise construction site | |
| CN104971578A (en) | Deduster airduct intelligent spray settlement device | |
| CN112744539B (en) | Monitoring system of energy-saving multiphase flow self-circulation dust suppression and removal device | |
| CN102327687A (en) | Dry powder extinguishing system and method based on wind-speed adjustment | |
| CN111617421A (en) | Fire-fighting lance for public safety | |
| CN109884643A (en) | A kind of portable survey focusing mechanism based on ultrasound | |
| CN212757805U (en) | Spraying system of grit storage tank of mixing station | |
| CN112190860A (en) | Public safety is with fire-fighting lance of adjustable rivers blowout distance | |
| JP2003047884A (en) | Method and apparatus for detecting static pressure in solid gas mixed atmosphere | |
| CN216381486U (en) | Automatic spraying dust-settling device for coal mine | |
| CN204064974U (en) | A kind of microwave stream material detector and smelting body of heater coal nozzle assurance device thereof | |
| CN201788392U (en) | Automatic flushing system for charge level detection device of car dumper hopper | |
| CN210103006U (en) | Dust suppression system for ore bin | |
| CN211470047U (en) | Intelligent regulation substep ash conveying system | |
| CN220536773U (en) | Chute anti-blocking and detecting device | |
| CN214321151U (en) | Automatic blowing device for coal powder bin radar level gauge | |
| CN219333531U (en) | Dustproof device with self-cleaning function | |
| CN114984696B (en) | Micron-sized dry fog dust suppression device system | |
| CN215799688U (en) | Automatic ash removal device for nitrogen gun of evaporative cooler | |
| CN214826006U (en) | Pulse blanking device in rubber vulcanization accelerator production line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |