CN218002637U - High material level detection device in raw coal bunker of boiler of thermal power plant - Google Patents
High material level detection device in raw coal bunker of boiler of thermal power plant Download PDFInfo
- Publication number
- CN218002637U CN218002637U CN202221925049.4U CN202221925049U CN218002637U CN 218002637 U CN218002637 U CN 218002637U CN 202221925049 U CN202221925049 U CN 202221925049U CN 218002637 U CN218002637 U CN 218002637U
- Authority
- CN
- China
- Prior art keywords
- raw coal
- coal bunker
- material level
- boiler
- power plant
- 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.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 title claims abstract description 66
- 239000003245 coal Substances 0.000 title claims abstract description 65
- 238000001514 detection method Methods 0.000 title claims abstract description 55
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 48
- 230000006698 induction Effects 0.000 claims abstract description 26
- 229910052742 iron Inorganic materials 0.000 claims abstract description 24
- 230000004044 response Effects 0.000 claims abstract description 14
- 230000001939 inductive effect Effects 0.000 claims abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 10
- 239000000428 dust Substances 0.000 abstract description 7
- 230000002411 adverse Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Images
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model relates to a material level detection device technical field discloses a high material level detection device in raw coal bunker of thermal power plant's boiler, including raw coal bunker, the trompil has been seted up at the terminal surface middle part before the raw coal bunker, raw coal bunker is inside and be located the inside upper end of trompil and rotate through the hinge and be provided with the detection baffle, detect the fixed response iron sheet that is provided with in baffle lateral wall middle part, raw coal bunker front end just is located the fixed long-pending magazine that is provided with in trompil front end below, raw coal bunker front end just is located the fixed proximity switch that is provided with in response iron sheet department, proximity switch includes the mounting panel, the fixed induction system that is provided with in mounting panel front end, induction system is close to the fixed inductive head that is provided with in one side of response iron sheet. The utility model discloses in, can effectively eliminate adverse factor such as dust, concave-convex face to the influence that detects the precision in the high material level detection in the raw coal bunker of boiler, it is high to detect the exactness and protect the action dependability.
Description
Technical Field
The utility model relates to a material level detection device technical field especially relates to a high material level detection device in raw coal bunker of boiler of thermal power plant.
Background
High material level detection of the existing boiler raw coal bunker of thermal power plant generally adopts ultrasonic wave material level switch, heavy hammer type level indicator or infrared ranging and other modes detect the material level after, send detected signal into PLC or DCS and carry out logic judgement, then send protection instruction, because ultrasonic wave material level measurement receives raw coal bunker dust and the influence of concave-convex surface to have the not enough of losing the ripples, heavy hammer type material level measurement can probably be buried by the material and lead to the unable promotion of heavy hammer to return in the heavy hammer whereabouts process, infrared ranging transmission and receiving probe easily lead to measuring inaccurate defect because of receiving dust pollution, it is untimely to lead to appearing detecting inaccurate monitoring behind the high material level of the boiler raw coal bunker, there is the potential safety hazard of damage in the coal conveyor belt equipment after the material is full.
Through retrieval, the prior patent (publication number: CN 202880207U) discloses a coal bunker level detection device, and although the patent technology has the advantages of high precision, convenient construction and installation, simple use, low failure rate and low labor intensity, the problem of inaccurate measurement caused by dust pollution exists easily, so that the gas detection performance is reduced, and the potential safety hazard of damage of coal belt equipment exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the high material level detection device in the former bunker of thermal power plant's boiler that proposes, the device can effectively eliminate adverse factor such as dust, unsmooth face in the high material level detection in the former bunker of boiler to the influence that detects the precision, and it is high to detect the exactness and protect the action reliability.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a high material level detection device for a raw coal bunker of a boiler in a thermal power plant comprises a raw coal bunker, wherein a hole is formed in the middle of the front end face of the raw coal bunker, a detection baffle is rotatably arranged in the raw coal bunker and at the upper end of the inside of the hole through a hinge, an induction iron sheet is fixedly arranged in the middle of one side wall of the detection baffle, and a material accumulation box is fixedly arranged at the front end of the raw coal bunker and below the front end of the hole;
a proximity switch is fixedly arranged at the front end of the raw coal bin and positioned at the induction iron sheet, the proximity switch comprises an installation plate, an induction device is fixedly arranged at the front end of the installation plate, and an induction head is fixedly arranged on one side, close to the induction iron sheet, of the induction device;
through the technical scheme, the device can effectively eliminate the influence of dust, concave-convex surfaces and other adverse factors on the detection precision in the high material level detection of the raw coal bunker of the boiler, the detection accuracy and the protection action reliability can both reach 100 percent, and the production and manufacturing cost is only about 10 percent of the ultrasonic material level switch, about 6 percent of the weight type material level switch and about 20 percent of the infrared material level switch.
Further, the detection baffle is made of stainless steel materials, and the thickness of the detection baffle is 1mm.
Furthermore, the induction iron sheet is welded on the side wall of the detection baffle in a welding mode;
through the technical scheme, the connection between the induction iron sheet and the detection baffle is firm.
Furthermore, the material accumulating box is made of stainless steel materials, and two sides of the material accumulating box are symmetrically triangular.
Furthermore, a limit baffle is fixedly arranged at the upper end of the material accumulation box;
through the technical scheme, the detection baffle is limited through the limiting baffle.
Furthermore, the mounting plate is connected to the raw coal bin through a plurality of fixing bolts;
through the technical scheme, the mounting plate is convenient to detach and mount.
Further, the induction iron sheet and the induction head are mutually induced.
Furthermore, a control panel is fixedly arranged at the front end of the raw coal bin and positioned at the proximity switch;
through the technical scheme, the control panel sends out an equipment protection action instruction after receiving the signal of induction disconnection.
The utility model discloses following beneficial effect has:
1. the utility model provides a high material level detection device in raw coal bunker of boiler of thermal power plant, the device detect the material level through detecting the baffle, and the material level rises to when detecting the baffle height, and the coal charge can detect the baffle and push away forward, and the response iron sheet is kept away from with the inductive head this moment, breaks off the response between the two, then to control panel signals, and control panel receives behind the signal and sends out equipment protection action instruction, detects simply accurately.
2. The utility model provides a pair of high material level detection device in raw coal bunker of boiler of thermal power plant, the device can effectively eliminate adverse factor such as dust, unsmooth face in the high material level of raw coal bunker of boiler detects the influence of precision, detects the exactness and the protection action reliability and all can reach 100%, and manufacturing cost only for about 10% of ultrasonic wave material level switch, about 6% of weight formula material level switch, 20% of infrared ray material level switch back.
3. The utility model provides a pair of high material level detection device in raw coal bunker of boiler of thermal power plant, but the device wide application in the high material level detection of containers such as raw coal bunker of thermal power plant, limestone feed bin, gypsum storehouse, ash storehouse reports to the police and equipment protection action.
Drawings
Fig. 1 is a perspective view of a high material level detection device of a raw coal bunker of a boiler of a thermal power plant provided by the utility model;
fig. 2 is a side sectional view of a high material level detection device of a raw coal bunker of a boiler of a thermal power plant provided by the utility model;
fig. 3 is the utility model provides a high material level detection device's of raw coal bunker of boiler of thermal power plant proximity switch schematic structure.
Illustration of the drawings:
1. a raw coal bunker; 2. opening a hole; 3. a hinge; 4. detecting a baffle; 5. induction of iron sheets; 6. a material accumulating box; 7. a limit baffle; 8. a proximity switch; 9. mounting a plate; 10. fixing the bolt; 11. an induction device; 12. an inductive head; 13. a control panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: a high material level detection device for a raw coal bunker of a boiler in a thermal power plant comprises a raw coal bunker 1, wherein a hole 2 is formed in the middle of the front end face of the raw coal bunker 1, a detection baffle plate 4 is rotatably arranged in the raw coal bunker 1 and positioned at the upper end in the hole 2 through a hinge 3, an induction iron sheet 5 is fixedly arranged in the middle of one side wall of the detection baffle plate 4, and a material accumulation box 6 is fixedly arranged at the front end of the raw coal bunker 1 and positioned below the front end of the hole 2;
1 front end in raw coal bunker and be located the fixed proximity switch 8 that is provided with in response iron sheet 5 department, and proximity switch 8 includes mounting panel 9, and mounting panel 9 front end is fixed and is provided with induction system 11, and induction system 11 is close to the fixed inductive head 12 that is provided with in one side of response iron sheet 5.
Detect baffle 4 and be made by stainless steel material, and thickness is 1mm, response iron sheet 5 welds at detection baffle 4 lateral wall through the welded mode, it is firm to connect between response iron sheet 5 and the detection baffle 4, long-pending magazine 6 adopts stainless steel material to make, and bilateral symmetry is the triangle-shaped, long-pending magazine 6 upper end is fixed and is provided with limit baffle 7, it is spacing to detect baffle 4 through limit baffle 7, mounting panel 9 connects on former coal bunker 1 through a plurality of fixing bolt 10, the installation is dismantled to mounting panel 9 to the convenience, response iron sheet 5 and inductive head 12 mutual-response, 1 front end in former coal bunker just is located proximity switch 8 and locates to fix and is provided with control panel 13, send equipment protection action instruction after receiving the signal of response disconnection through control panel 13.
The working principle is as follows: when the high material level detection device of the raw coal bunker of the boiler in the thermal power plant is used, when the material level in the raw coal bunker 1 reaches the position of the detection baffle 4, coal flow pushes the detection baffle 4 to move outwards, and the induction iron sheet 5 on the side edge of the detection baffle 4 leaves the proximity switch 8, so that the proximity switch 8 sends a high material level signal to a PLC (programmable logic controller) control system or a DCS (distributed control system), and the control system sends a high material level protection instruction to stop transporting the coal belt equipment; when the material level in the raw coal bunker 1 is lowered to 8 and the detection baffle 4 is arranged below, the accumulated coal at the detection baffle 4 reflows to the raw coal bunker 1 under the action of self gravity, the detection baffle 4 returns to the normal working position under the action of self gravity, the induction iron sheet 5 on the side edge of the detection baffle 4 is close to the proximity switch 8, and the proximity switch 8 does not send a high material level signal any more.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a high material level detection device in raw coal bunker of boiler of thermal power plant, includes raw coal bunker (1), its characterized in that: the middle part of the front end face of the raw coal bin (1) is provided with an opening (2), the inner part of the raw coal bin (1) and the upper end of the inner part of the opening (2) are rotatably provided with a detection baffle plate (4) through a hinge (3), the middle part of one side wall of the detection baffle plate (4) is fixedly provided with an induction iron sheet (5), and the front end of the raw coal bin (1) and the lower part of the front end of the opening (2) are fixedly provided with a material accumulation box (6);
raw coal bunker (1) front end just is located response iron sheet (5) and fixes being provided with proximity switch (8), proximity switch (8) include mounting panel (9), mounting panel (9) front end is fixed and is provided with induction system (11), induction system (11) are close to one side of response iron sheet (5) and are fixed and are provided with inductive head (12).
2. The high material level detection device of the raw coal bunker of the boiler of the thermal power plant according to claim 1, characterized in that: the detection baffle (4) is made of stainless steel materials, and the thickness of the detection baffle is 1mm.
3. The device for detecting the high material level of the raw coal bunker of the boiler in the thermal power plant according to claim 1, characterized in that: the induction iron sheet (5) is welded on the side wall of the detection baffle (4) in a welding mode.
4. The high material level detection device of the raw coal bunker of the boiler of the thermal power plant according to claim 1, characterized in that: the material accumulating box (6) is made of stainless steel materials, and two sides of the material accumulating box are symmetrically triangular.
5. The high material level detection device of the raw coal bunker of the boiler of the thermal power plant according to claim 1, characterized in that: the upper end of the material accumulating box (6) is fixedly provided with a limit baffle (7).
6. The high material level detection device of the raw coal bunker of the boiler of the thermal power plant according to claim 1, characterized in that: the mounting plate (9) is connected to the raw coal bin (1) through a plurality of fixing bolts (10).
7. The device for detecting the high material level of the raw coal bunker of the boiler in the thermal power plant according to claim 1, characterized in that: the induction iron sheet (5) and the induction head (12) are mutually induced.
8. The high material level detection device of the raw coal bunker of the boiler of the thermal power plant according to claim 1, characterized in that: and a control panel (13) is fixedly arranged at the front end of the raw coal bin (1) and is positioned at the proximity switch (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221925049.4U CN218002637U (en) | 2022-07-25 | 2022-07-25 | High material level detection device in raw coal bunker of boiler of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221925049.4U CN218002637U (en) | 2022-07-25 | 2022-07-25 | High material level detection device in raw coal bunker of boiler of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218002637U true CN218002637U (en) | 2022-12-09 |
Family
ID=84316437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221925049.4U Expired - Fee Related CN218002637U (en) | 2022-07-25 | 2022-07-25 | High material level detection device in raw coal bunker of boiler of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218002637U (en) |
-
2022
- 2022-07-25 CN CN202221925049.4U patent/CN218002637U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201990214U (en) | Slagging roller stall detection device and slagging roller of belt machine | |
| CN218002637U (en) | High material level detection device in raw coal bunker of boiler of thermal power plant | |
| CN111609900A (en) | Simple and easy buffering storehouse material level monitoring devices | |
| CN205739257U (en) | A kind of detection device of round type tubular conveyor belt tube | |
| CN215973640U (en) | Prevent disconnected area and tear protection device | |
| CN210824182U (en) | Coal conveying belt tearing detection device based on multi-path laser ranging | |
| CN216104462U (en) | Belt tearing-proof device of belt conveyor | |
| CN113086560A (en) | Universal anti-coal-piling protection device and coal-piling protection method | |
| CN209635314U (en) | A kind of belt coal feeder that anchor pole, the detection of long material can be screened | |
| CN209605908U (en) | Detect the device of solid material level | |
| CN108613714B (en) | Stainless steel pipe coal level measuring device | |
| CN209455544U (en) | A kind of rubber belt from deviating self-checking unit suitable for rubber conveyer | |
| CN113716289A (en) | Belt anti-tearing device of belt conveyor and using method thereof | |
| CN210213962U (en) | Can reduce unloading chute of belt conveyor trouble | |
| CN116354063B (en) | Detection method and device for tearing and off-tracking damage of conveyor belt by adopting touch frame | |
| CN109720812B (en) | Material state monitoring system in bin-matched scraper machine groove box | |
| CN219669287U (en) | Device for detecting tearing and deviation damage of conveying belt by using touch frame | |
| CN210922769U (en) | Error alarm preventing installation device for material level detection | |
| CN218308447U (en) | Water slurry rod mill feeding chute blockage monitoring structure | |
| CN101947412A (en) | Charge returning device of flue gas desulfurization system | |
| CN211168786U (en) | Novel windrow detection device based on infrared induction principle | |
| CN105203624A (en) | Novel ferromagnetic material detection device and method | |
| CN218618211U (en) | Feed bin with material level detection and alarm functions | |
| CN109650007A (en) | A kind of belt coal feeder that anchor pole, the detection of long material can be screened | |
| CN111103029A (en) | Intelligent monitoring device and monitoring method for fiber bragg grating of coal level of coal bunker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221209 |