CN220750163U - Burning loss prevention device for coal feeder belt - Google Patents
Burning loss prevention device for coal feeder belt Download PDFInfo
- Publication number
- CN220750163U CN220750163U CN202322364119.4U CN202322364119U CN220750163U CN 220750163 U CN220750163 U CN 220750163U CN 202322364119 U CN202322364119 U CN 202322364119U CN 220750163 U CN220750163 U CN 220750163U
- Authority
- CN
- China
- Prior art keywords
- coal
- gate valve
- feeder
- prevention device
- coal feeder
- 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
- 239000003245 coal Substances 0.000 title claims abstract description 142
- 230000002265 prevention Effects 0.000 title claims abstract description 25
- 238000004140 cleaning Methods 0.000 claims description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003546 flue gas Substances 0.000 abstract description 4
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- COCAUCFPFHUGAA-MGNBDDOMSA-N n-[3-[(1s,7s)-5-amino-4-thia-6-azabicyclo[5.1.0]oct-5-en-7-yl]-4-fluorophenyl]-5-chloropyridine-2-carboxamide Chemical compound C=1C=C(F)C([C@@]23N=C(SCC[C@@H]2C3)N)=CC=1NC(=O)C1=CC=C(Cl)C=N1 COCAUCFPFHUGAA-MGNBDDOMSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Control Of Conveyors (AREA)
Abstract
The utility model belongs to the technical field of coal feeders, and relates to a coal feeder belt burning loss prevention device, which comprises an inlet gate valve, an outlet gate valve and a temperature sensor; the temperature sensor is respectively connected with the inlet gate valve and the outlet gate valve, and the coal feeder belt burning loss prevention device further comprises a controller; the temperature sensor is connected with the inlet gate valve and the outlet gate valve through the controller respectively. The utility model provides a burning loss prevention device for a coal feeder belt, which effectively prevents high-temperature flue gas from reversely flowing, and protects the coal feeder belt from burning loss and ensures safe operation of a coal bin.
Description
Technical Field
The utility model belongs to the technical field of coal feeders, and relates to a coal feeder belt burning loss prevention device.
Background
The boiler coal feeder is a raw coal conveying machine for adjusting the amount of coal entering the coal mill; the coal in the coal storage bin enters the coal feeder through the coal gate, is continuously and evenly conveyed into the coal mill through the conveying and metering adhesive tape in the coal feeder, an electronic weighing device is arranged below the conveying and metering adhesive tape, a pneumatic door is arranged at the outlet of the coal feeder, and raw coal entering the coal feeder is weighed and then is conveyed into the coal mill through the pneumatic door.
However, in actual production, because the coal storage bin breaks coal, the coal feeder is shut down, an operator is required to manually close the pneumatic door, and because the pneumatic door cannot be timely and effectively closed, negative pressure is generated between the coal feeder and the coal bin, high-temperature gas in a boiler hearth is reversely sucked into the coal bin from the inside of the hearth, and high-temperature smoke is reversely connected with the coal feeder, so that a belt of the coal feeder is easily burnt, equipment is damaged, the system is shut down, and fire of the coal bin is caused when the system is serious, so that a large potential safety hazard exists, and safety accidents are caused.
Disclosure of Invention
Aiming at the technical problem that the existing coal feeder belt is easy to burn, the utility model provides the coal feeder belt burning-preventing device, which effectively prevents high-temperature smoke from reversely flowing and protects the coal feeder belt from burning.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a burning loss prevention device for a coal feeder belt comprises an inlet gate valve, an outlet gate valve and a temperature sensor; and the temperature sensor is respectively connected with the inlet gate valve and the outlet gate valve.
Further defined, the feeder belt burnout prevention device further comprises a controller; the temperature sensor is connected with the inlet gate valve and the outlet gate valve through the controller respectively.
Further defined, the controller is a PLC programmable controller.
Further defined, the feeder belt burnout prevention device further comprises a feeder belt drive motor connected with the controller, and the feeder belt drive motor is mounted on the feeder.
Further defined, the coal feeder belt burnout prevention device further comprises a cleaning chain driving motor connected with the controller, and the cleaning chain driving motor is installed on the coal feeder.
Further limiting, the coal feeder belt burning loss prevention device further comprises a coal bin, and the inlet gate valve is arranged on the coal bin; the coal feeder is provided with a coal feeder inlet and a coal feeder outlet communicated with the coal feeder inlet respectively, and the outlet gate valve is arranged on the coal feeder outlet; the coal bin is communicated with an inlet of the coal feeder through an inlet gate valve.
Further defined, the inlet gate valve is an electric gate valve; the outlet gate valve is a pneumatic gate valve.
Further defined, the coal feeder belt burnout prevention device further comprises a coal breakage feedback device connected with the controller, and the coal breakage feedback device is installed on the coal feeder.
Further defined, a coal feeding switch connected with the coal breaking feedback device is also arranged on the coal bin.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the outlet gate valve and the inlet gate valve form interlocking protection, so that the outlet of the coal feeder can be effectively closed in time when the temperature of the outlet of the coal feeder is higher, high-temperature flue gas reverse series is effectively prevented, and the belt of the coal feeder is prevented from being burnt; and further cut off the feeding of the coal bunker.
2. The utility model reforms the coal feeder, solves the problem that the pneumatic door can not effectively close the belt of the coal feeder in time when the coal bin breaks the coal to the coal feeder, and improves the safety and reliability of equipment.
3. According to the utility model, the inlet gate valve is arranged in a low-temperature area of coal falling of the coal bunker, so that the reliability is ensured, and the belt of the coal feeder is protected from being burnt to the greatest extent by double protection.
Drawings
FIG. 1 is a schematic diagram of a coal-feeding belt burnout prevention device according to the present utility model;
FIG. 2 is a schematic view of the structure on the front manhole;
wherein:
1-a coal bunker; 2-coal feeder inlet; 3-inlet gate valve; 4-a coal feeder belt; 5-a cleaning chain; 6-a rear manhole; 7-a front manhole; 8-a coal breaking feedback device; 9-a temperature sensor; 10-coal feeder outlet; 11-outlet gate valve; 12-a belt driving motor of the coal feeder; 13-cleaning chain driving motor.
Detailed Description
The utility model will now be described in detail with reference to the drawings and examples.
Examples
Referring to fig. 1, a coal feeder belt burnout prevention device comprises an inlet gate valve 3, an outlet gate valve 11 and a temperature sensor 9; the temperature sensor 9 is respectively connected with the inlet gate valve 3 and the outlet gate valve 11.
Specifically, a coal feeder inlet 2 and a coal feeder outlet 10 communicated with the coal feeder inlet 2 are respectively arranged on the coal feeder, and an inlet gate valve 3 is arranged on the coal feeder inlet 2; the outlet gate valve 11 is placed on the coal feeder outlet 10.
And a coal bunker 1 is arranged above the coal feeder inlet 2, and the coal bunker 1 is communicated with the coal feeder inlet 2 to supply coal into the coal feeder.
The inside of feeder sets up feeder belt 4 and cleans chain 5, and feeder belt 4 and the parallel setting of chain 5 axial are cleaned to the feeder belt 4, and feeder belt 4 is located cleans chain 5 top, and feeder entry 2 is through feeder belt 4 and feeder export 10 intercommunication, gives the next process with the coal, accomplishes the coal feed.
And the side walls at two ends of the coal feeder are respectively provided with a rear manhole 6 and a front manhole 7, so that the condition inside the coal feeder can be observed conveniently.
Referring to fig. 2, a coal feeder belt driving motor 12 and a cleaning chain driving motor 13 are respectively arranged on the front manhole 7; the coal feeder belt driving motor 12 drives the coal feeder belt 4 to move and work, the cleaning chain driving motor 13 drives the cleaning chain 5 to move and work, the coal feeder is further provided with the coal breaking feedback device 8, and the coal breaking feedback device 8 is connected with the controller.
Preferably, the inlet gate valve 3 is an electric gate valve; the outlet gate valve 11 is a pneumatic gate valve.
The coal feeder belt burning-out prevention device also comprises a controller; the temperature sensor 9 is connected with the inlet gate valve 3 and the outlet gate valve 11 respectively through a controller.
The temperature sensor 9 transmits the detected temperature signal to a controller, which controls the opening or closing of the inlet gate valve 3 and the outlet gate valve 11 according to the received temperature.
In the implementation, the coal breaking feedback device 8 is connected with the controller, and the coal feeder belt driving motor 12 is connected with the controller; the cleaning chain drive motor 13 is connected to the controller.
The specific scheme design and working principle of the embodiment are as follows.
(1) An inlet gate valve 3 is arranged on a coal feeder inlet 2 of a coal feeder below a coal bin 1 (coal drop port); an outlet gate valve 11 is added on an outlet 10 of the coal feeder, and a temperature sensor 9 is arranged on the coal feeder above the outlet gate valve 11, and the temperature sensor 9 is connected with a controller; when the temperature sensor 9 senses that the temperature of the outlet of the coal feeder is higher than 60 ℃ (because the temperature of the outlet of the coal feeder is about 40 ℃ when the coal feeder is in normal operation, if the temperature rises, high-temperature flue gas is indicated, and the temperature is set to be a temperature limit value through long-term experience values and temperature fluctuation), a controller is required to give a signal, the outlet gate valve 11 and the inlet gate valve 3 are closed, and the coal in the coal feeder is stopped from entering and exiting.
(2) The controller also controls the coal feeder belt driving motor 12 and the cleaning chain driving motor 13 to stop working, so that the coal feeder belt 4 and the cleaning chain 5 stop working; meanwhile, the controller controls the coal breaking feedback device 8 to send a signal to the feeding bin of the coal bin 1, and the coal bin 1 stops running.
According to the utility model, the outlet gate valve 11 and the inlet gate valve 3 form interlocking protection, so that when the coal bin 1 breaks coal, the coal feeder is stopped after transformation, the outlet of the coal feeder cannot be effectively closed in time after the coal feeder is stopped, high-temperature flue gas reverse series is effectively prevented, and the belt of the coal feeder is prevented from being burnt; in addition, the inlet gate valve 3 is arranged in a low-temperature area of the coal dropping port of the coal bin 1, reliability is guaranteed, and therefore the belt of the coal feeder is protected from being burnt to the greatest extent by double protection.
Claims (9)
1. The burning loss prevention device for the coal feeder belt is characterized by comprising an inlet gate valve (3), an outlet gate valve (11) and a temperature sensor (9); the temperature sensor (9) is respectively connected with the inlet gate valve (3) and the outlet gate valve (11).
2. The feeder belt burnout prevention apparatus of claim 1, further comprising a controller; the temperature sensor (9) is respectively connected with the inlet gate valve (3) and the outlet gate valve (11) through the controller.
3. The feeder belt burnout prevention device of claim 2, wherein the controller is a PLC programmable controller.
4. A feeder belt burnout prevention device according to claim 3, further comprising a feeder belt drive motor (12) connected to the controller, the feeder belt drive motor (12) being mounted on the feeder.
5. The feeder belt burnout prevention device of claim 4, further comprising a cleaning chain drive motor (13) connected to the controller, the cleaning chain drive motor (13) being mounted on the feeder.
6. The feeder belt burnout prevention device according to any one of claims 2 to 5, characterized in that the feeder belt burnout prevention device further comprises a coal bin (1), the inlet gate valve (3) being placed on the coal bin (1); the coal feeder is provided with a coal feeder inlet (2) and a coal feeder outlet (10) communicated with the coal feeder inlet (2) respectively, and an outlet gate valve (11) is arranged on the coal feeder outlet (10); the coal bin (1) is communicated with the coal feeder inlet (2) through an inlet gate valve (3).
7. The coal feeder belt burnout prevention device according to claim 6, characterized in that the inlet gate valve (3) is an electric gate valve; the outlet gate valve (11) is a pneumatic gate valve.
8. The feeder belt burnout prevention device of claim 7, further comprising a coal breakage feedback device (8) connected to the controller, the coal breakage feedback device (8) being mounted on the feeder.
9. The coal feeder belt burning loss prevention device according to claim 8, wherein a coal feeding switch connected with a coal breaking feedback device (8) is further arranged on the coal bin (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322364119.4U CN220750163U (en) | 2023-08-31 | 2023-08-31 | Burning loss prevention device for coal feeder belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322364119.4U CN220750163U (en) | 2023-08-31 | 2023-08-31 | Burning loss prevention device for coal feeder belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220750163U true CN220750163U (en) | 2024-04-09 |
Family
ID=90549673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322364119.4U Active CN220750163U (en) | 2023-08-31 | 2023-08-31 | Burning loss prevention device for coal feeder belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220750163U (en) |
-
2023
- 2023-08-31 CN CN202322364119.4U patent/CN220750163U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102492795B (en) | Control system for pulverized coal making of pulverized coal injection | |
| CN220750163U (en) | Burning loss prevention device for coal feeder belt | |
| CN103217003B (en) | Layered energy-saving dryer | |
| CN103712225A (en) | Coal pulverizing system applied to small-and medium-sized pulverized-coal industry boilers | |
| CN212408718U (en) | Flue gas recirculation system for preventing accumulated powder of coal powder pipeline of medium-speed coal mill from spontaneous combustion | |
| CN202902291U (en) | Device and system for controlling three-driving inverse push type incinerator grate and feeding device | |
| CN109110461B (en) | Bagasse oven feed linkage system of cane sugar factory | |
| CN204490974U (en) | MAGNESIUM METAL horizontal reductive jar mechanical automation loading machine | |
| CN218490667U (en) | Dust removal feeding device | |
| CN214388579U (en) | Control system for CO automatic detection | |
| CN205447730U (en) | Power station feeder fire protection system | |
| CN212221507U (en) | Automatic slag ash conveying system | |
| CN205034726U (en) | Totally closed weighing type sticky tape feeder with manual automatic switch -over function | |
| CN212005750U (en) | Flue gas recycle buggy preparation system | |
| CN204918635U (en) | Safety device of oxygen boosting before blast furnace machine | |
| CN110440280B (en) | High-efficiency energy-saving boiler | |
| RU67681U1 (en) | BOILER PLANT AUTOMATION SYSTEM | |
| CN210532689U (en) | Novel air heater | |
| CN110762534A (en) | Solid waste and biomass direct-combustion coupling utilization system and process | |
| CN111569851A (en) | Internal heat type converter regeneration disposal device for hazardous waste powdered activated carbon | |
| CN219756401U (en) | Air-cooled dry slag discharging system | |
| CN104880071A (en) | Modified casting furnace for producing housings | |
| CN203517875U (en) | Stone powder supplying device for coal supplying machine | |
| CN220477991U (en) | Fire extinguishing device for pulverized coal cloth bag bin | |
| CN219399358U (en) | Automatic nitrogen charging protection device of dry type bag-type dust collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |