CN216103970U - Raw coal bunker inflation protection system - Google Patents
Raw coal bunker inflation protection system Download PDFInfo
- Publication number
- CN216103970U CN216103970U CN202121990716.2U CN202121990716U CN216103970U CN 216103970 U CN216103970 U CN 216103970U CN 202121990716 U CN202121990716 U CN 202121990716U CN 216103970 U CN216103970 U CN 216103970U
- Authority
- CN
- China
- Prior art keywords
- coal
- raw coal
- trestle
- pipe
- conveying
- 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
Images
Landscapes
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The utility model discloses a raw coal bunker inflation protection system, which comprises a plurality of raw coal bunkers, a coal distribution trestle positioned between the tops of the raw coal bunkers for proportioning, and a coal conveying trestle connected with the coal distribution trestle for conveying coal to the raw coal bunkers, wherein a protection gas main pipe is fixed on the side edge of the coal conveying trestle, the outlet end of the protection gas main pipe extends and is fixed on the side edge of the coal distribution trestle, and a plurality of branch pipes penetrating into the coal conveying trestle are communicated with the protection gas main pipe fixed on the side edge of the coal conveying trestle; every raw coal bunker goes up the cover and is equipped with a plurality of annular tubes, corresponds every raw coal bunker intercommunication on the fixed protection gas house steward of coal blending trestle side and has the distributing pipe, circles to be equipped with a plurality of and the outlet duct that corresponds the inside intercommunication of raw coal bunker, advantage in every annular tube: the safety gas is filled in the corresponding raw coal bunker through the annular pipes, the coal blocks are isolated from the air, the natural phenomenon of the fuel coal is avoided, and the major potential safety hazard of explosion is prevented.
Description
The technical field is as follows:
the utility model relates to the field of coal supply, in particular to a raw coal bunker inflation protection system.
Background art:
the existing process for providing fuel coal for combustion to a boiler comprises the following steps: the raw coal is respectively conveyed to 12 coal bunkers for coal preparation through a belt conveyor, conveyed to a coal mill through a coal feeder, ground into coal powder by the coal mill, and finally sprayed into a furnace for combustion. In the coal supply operation process, because of the influence of high temperature of natural environment or other factors, the natural phenomenon of fuel coal in the raw coal bunker often appears, combustible gas is diffused in the coal bunker, so that the major potential safety hazard of explosion of the raw coal bunker exists, the loss is caused, the raw coal accumulation amount is large, the combustion area is large, and the coal supply efficiency is reduced due to the adoption of safety measures.
The utility model has the following contents:
the utility model aims to provide a raw coal bunker inflation protection system.
The utility model is implemented by the following technical scheme:
a raw coal bunker inflation protection system comprises a plurality of raw coal bunkers, a coal distribution trestle positioned between the tops of the raw coal bunkers for distributing materials, and a coal conveying trestle connected with the coal distribution trestle for conveying coal to the raw coal bunkers, wherein a main protection gas pipe is fixed on the side edge of the coal conveying trestle, a master control valve is arranged at the inlet end of the main protection gas pipe, the outlet end of the main protection gas pipe extends and is fixed on the side edge of the coal distribution trestle, the outlet end of the main protection gas pipe is closed, a plurality of branch pipes penetrating into the coal conveying trestle are communicated with the main protection gas pipe fixed on the side edge of the coal conveying trestle, a plurality of gas outlets are arranged on each branch pipe, and a first independent control valve is arranged on each branch pipe;
every the cover is equipped with a plurality of annular pipes on the raw coal bunker correspond every on the fixed protection gas house steward of coal blending landing stage side raw coal bunker intercommunication has distribution pipe, every distribution pipe with correspond a plurality of on the raw coal bunker annular pipe intercommunication, every distribution pipe with the tip of protection gas house steward intercommunication is equipped with the independent control valve of second, every circle and be equipped with a plurality ofly and correspond on the annular pipe the outlet duct of the inside intercommunication of raw coal bunker, the outlet duct is in the mouth of pipe outside cover in the raw coal bunker be equipped with the fixed under shed's of raw coal bunker inner wall housing casing.
Preferably, the air outlet is arranged obliquely to the conveying direction of the coal conveying trestle.
Preferably, the inlet end of the shielding gas main pipe is connected with a nitrogen gas source.
The utility model has the advantages that: the safety gas introduced into the protective gas main pipe enters the coal conveying trestle through the branch pipe, the safety gas is used for isolating air in the coal conveying process, and the coal block gap can wrap the safety gas to enter the raw coal bin, so that the safety is improved; the safety gas is uniformly distributed and filled in the corresponding raw coal bunker through the annular pipes, so that the coal blocks are isolated from the air, the natural phenomenon of the fuel coal is avoided, the major potential safety hazard of explosion is prevented, the implementation of safety measures is reduced, and the coal supply efficiency is stabilized; the cover shell protects the air outlet pipe from being blocked by the coal briquettes, and the safety gas can enter the gap of the coal briquettes from the cover shell of the lower opening, so that the coal briquettes are prevented from being stacked compactly, and the safety gas is not distributed sufficiently.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged partial schematic view of A of FIG. 1;
fig. 3 is a partially enlarged schematic view of B in fig. 1.
In the figure: raw coal bunker 1, coal distribution trestle 2, coal conveying trestle 3, protection gas main pipe 4, total control valve 5, branch pipe 6, gas outlet 7, first independent control valve 8, annular pipe 9, delivery pipe 10, second independent control valve 11, outlet duct 12, housing 13.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, 2 and 3, a raw coal bunker inflation protection system comprises a plurality of raw coal bunkers 1, coal distribution trestles 2 located between the tops of the raw coal bunkers 1 for proportioning, and coal conveying trestles 3 connected with the coal distribution trestles 2 for conveying coal to the raw coal bunkers 1, wherein raw coal blocks are conveyed to the coal distribution trestles 2 through the coal conveying trestles 3 and conveyed to each raw coal bunker 1 for temporary storage through the distribution of the coal distribution trestles 2;
a protective gas main pipe 4 is fixed on the side of a coal conveying trestle 3, a main control valve 5 is arranged at the inlet end of the protective gas main pipe 4, the main control valve 5 controls the conveying of safety gas, the inlet end of the protective gas main pipe 4 is connected with a nitrogen gas source, the safety gas or the protective gas is inert gas of nitrogen, the outlet end of the protective gas main pipe 4 extends and is fixed on the side of a coal distribution trestle 2, the outlet end of the protective gas main pipe 4 is closed, a plurality of branch pipes 6 penetrating into the coal conveying trestle 3 are communicated with the protective gas main pipe 4 fixed on the side of the coal conveying trestle 3, a plurality of gas outlets 7 are arranged on each branch pipe 6, the gas outlets 7 are arranged obliquely to the conveying direction of the coal conveying trestle 3, the safety gas introduced into the protective gas main pipe 4 enters the coal conveying trestle 3 through the gas outlets 7 of the branch pipes 6, the air is isolated by the safety gas in the coal conveying process, and the coal block gap can wrap part of the safety gas and enter a raw coal bunker 1, each branch pipe 6 is provided with a first independent control valve 8, and the first independent control valve 8 controls the conveying amount of the safety gas to the coal conveying trestle 3;
a plurality of annular pipes 9 are sleeved on each raw coal bunker 1, a distribution pipe 10 is communicated with each raw coal bunker 1 on a protection gas main pipe 4 fixed on the side edge of a coal distribution trestle 2, each distribution pipe 10 is communicated with the plurality of annular pipes 9 on the corresponding raw coal bunkers 1, a second independent control valve 11 is arranged at the end part of each distribution pipe 10 communicated with the protection gas main pipe 4, safety gas introduced into the protection gas main pipe 4 enters the annular pipes 9 through the distribution pipes 10, and the second independent control valve 11 controls the conveying amount of the safety gas to the annular pipes 9;
be equipped with a plurality of and the outlet duct 12 that corresponds the inside intercommunication of raw coal bunker 1 on every ring conduit 9 inner circle, the safety gas that lets in the ring conduit 9 all joins in marriage through outlet duct 12 and gets into in corresponding raw coal bunker 1, safety gas fills raw coal bunker 1, it is isolated with coal cinder and air, avoid appearing the fuel coal natural phenomenon, prevent the major potential safety hazard of explosion, reduce safety measure's implementation, the stable coal supply efficiency, outlet duct 12 is equipped with the housing 13 with the fixed under shed of raw coal bunker 1 inner wall in the mouth of pipe outside cover of raw coal bunker 1, housing 13 protection outlet duct 12 is not blocked by the coal cinder, and safety gas also can get into the coal cinder clearance from the housing 13 of under shed, avoid the coal cinder to pile up closely knit, safety gas distributes inadequately.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (3)
1. A raw coal bunker inflation protection system comprises a plurality of raw coal bunkers, a coal distribution trestle positioned between the tops of the raw coal bunkers for distributing materials, and a coal conveying trestle connected with the coal distribution trestle for conveying coal to the raw coal bunkers, and is characterized in that a protective gas main pipe is fixed on the side edge of the coal conveying trestle, a master control valve is arranged at the inlet end of the protective gas main pipe, the outlet end of the protective gas main pipe extends and is fixed on the side edge of the coal distribution trestle, the outlet end of the protective gas main pipe is closed, a plurality of branch pipes penetrating into the coal conveying trestle are communicated with the protective gas main pipe fixed on the side edge of the coal conveying trestle, a plurality of gas outlets are arranged on each branch pipe, and a first independent control valve is arranged on each branch pipe;
every the cover is equipped with a plurality of annular pipes on the raw coal bunker correspond every on the fixed protection gas house steward of coal blending landing stage side raw coal bunker intercommunication has distribution pipe, every distribution pipe with correspond a plurality of on the raw coal bunker annular pipe intercommunication, every distribution pipe with the tip of protection gas house steward intercommunication is equipped with the independent control valve of second, every circle and be equipped with a plurality ofly and correspond on the annular pipe the outlet duct of the inside intercommunication of raw coal bunker, the outlet duct is in the mouth of pipe outside cover in the raw coal bunker be equipped with the fixed under shed's of raw coal bunker inner wall housing casing.
2. The raw coal bunker inflation protection system of claim 1, wherein: and the air outlet is arranged obliquely to the conveying direction of the coal conveying trestle.
3. The raw coal bunker inflation protection system of claim 1, wherein: the inlet end of the protective gas main pipe is connected with a nitrogen gas source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121990716.2U CN216103970U (en) | 2021-08-23 | 2021-08-23 | Raw coal bunker inflation protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121990716.2U CN216103970U (en) | 2021-08-23 | 2021-08-23 | Raw coal bunker inflation protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216103970U true CN216103970U (en) | 2022-03-22 |
Family
ID=80727918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121990716.2U Active CN216103970U (en) | 2021-08-23 | 2021-08-23 | Raw coal bunker inflation protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216103970U (en) |
-
2021
- 2021-08-23 CN CN202121990716.2U patent/CN216103970U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102189024B (en) | Compound pulverizing system based on coal pulverizer | |
| CN107013902A (en) | Lignite couples boiler combustion system with biomass | |
| CN209495349U (en) | A kind of biomass molding fuel and coal direct-coupling pulverized coal preparation system | |
| CN102537947A (en) | Novel boiler front feeding device of straw biomass CFB boiler | |
| ES2597961T3 (en) | Procedure to improve the dynamic behavior of a coal-fired power plant with primary and / or secondary demands of the power grid operator with respect to the supply of power to the grid and coal-powered power plant | |
| CN208475369U (en) | Coal-burning boiler pulverized coal preparation system | |
| CN216103970U (en) | Raw coal bunker inflation protection system | |
| CN106940026A (en) | Boiler milling system | |
| CN200972107Y (en) | Powdered coal recombustion device for circulation fluid-bed | |
| CN204042950U (en) | A kind of novel straw biomass power generation fuel delivery means | |
| CN206771325U (en) | Lignite couples boiler combustion system with biomass | |
| CN207065614U (en) | A kind of fuel delivery means for Production of Ceramics | |
| CN105841488B (en) | Fluidized-bed combustion boiler Load Regulation and low nitrogen burning method and apparatus | |
| CN112050198A (en) | Boiler system | |
| CN109578993B (en) | Horizontal coal-fired furnace and flue gas recirculation system and operation method thereof | |
| CN206724142U (en) | A kind of biomass fuel combustion with reduced pollutants system with blower mill powder | |
| CN110220211A (en) | A kind of device and method coupling Collaborative Control coal-burning boiler load with gas using coal | |
| CN216924337U (en) | Coal-fired and biomass coupling power generation system | |
| CN210399972U (en) | High-efficient gasification low-nitrogen combustion technology device of cement dore furnace buggy | |
| CN204006070U (en) | A kind of thermal power plant coal-fired unit coal dust distribution system | |
| CN210373517U (en) | Fly ash treatment system | |
| CN204404215U (en) | Utilize the system of adjacent stove negative pressure bug dusting warehousing powder | |
| CN207230524U (en) | A kind of boiler milling waste steam low NOx combustion system | |
| CN211309930U (en) | Air chute chain conveyor | |
| CN105351957A (en) | Novel biomass particle combustion boiler system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |