CN110759117A - Intercommunication coal blending system for air film coal yard and steel mesh frame coal yard - Google Patents
Intercommunication coal blending system for air film coal yard and steel mesh frame coal yard Download PDFInfo
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- CN110759117A CN110759117A CN201911192941.9A CN201911192941A CN110759117A CN 110759117 A CN110759117 A CN 110759117A CN 201911192941 A CN201911192941 A CN 201911192941A CN 110759117 A CN110759117 A CN 110759117A
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- 239000003245 coal Substances 0.000 title claims abstract description 385
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 105
- 239000010959 steel Substances 0.000 title claims abstract description 105
- 238000002156 mixing Methods 0.000 title claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 3
- 230000008901 benefit Effects 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G63/00—Transferring or trans-shipping at storage areas, railway yards or harbours or in opening mining cuts; Marshalling yard installations
- B65G63/008—Transferring or trans-shipping at storage areas, railway yards or harbours or in opening mining cuts; Marshalling yard installations for bulk material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
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Abstract
The invention discloses a coal blending system for intercommunicating a gas film coal yard and a steel mesh frame coal yard, which comprises the gas film coal yard, the steel mesh frame coal yard and a coal conveying system for realizing the communication and coal blending between the gas film coal yard and the steel mesh frame coal yard, wherein, a gas film coal yard is penetrated by a gas film coal yard belt coal conveying system, a steel mesh frame coal yard is penetrated by a steel mesh frame coal yard underground coal conveying belt and a steel mesh frame coal yard underground coal conveying belt coal feeding system matched with the steel mesh frame coal yard underground coal conveying belt, the side surface of the gas film coal yard is provided with a plurality of gas locking automobile coal conveying channels, the side surface of the steel mesh frame coal yard is provided with a plurality of steel mesh frame coal yard automobile coal conveying channels, the gas film coal yard and the steel mesh frame coal yard are communicated with each other through a gas locking coal pusher channel, the coal conveying system is positioned between the gas film coal yard and the steel mesh frame coal yard, the system can ensure the independence and the air tightness of the air film coal yard and realize the intercommunication coal blending of the air film coal yard and the steel mesh frame coal yard.
Description
Technical Field
The invention belongs to the field of coal-fired power plant coal yard environment-friendly facilities, and relates to a coal blending system for intercommunicating a gas film coal yard and a steel mesh frame coal yard.
Background
The air film building has the advantages of light weight, good light transmission performance, strong sense of space, simple and convenient construction, short period, less investment and the like, is gradually rising in the building industry at home and abroad, along with the increasing requirements of environmental protection departments on the sealing of coal yards of thermal power plants, the original windproof dust suppression net can not meet the environmental protection requirements, and under the large background of high investment, long construction period and risk of unorganized emission of steel mesh frames, the air film sealing coal yard can completely realize the advantages of sealing, reasonable investment and short construction period, and is gradually accepted by professionals.
The existing coal yard of a thermal power generating unit is totally closed mainly by reconstruction engineering, a plurality of thermal power plants are originally designed with partial dry coal sheds or steel mesh frame closed coal yards, if steel mesh frame coal yards are continuously newly built, the investment is large, economic burden is caused to thermal power enterprises, if an original steel mesh frame is dismantled and an air film closed coal yard is rebuilt, the investment is increased, great waste is caused, if the original steel mesh frame coal yard is reserved, the air film coal yard is expanded beside, the problems of intercommunication and coal blending of the air film coal yard and the steel mesh frame coal yard cannot be solved, the requirements of blending, burning and blending of coal and flexibility blending of a coal conveying system are difficult to realize, and a new challenge is provided for the air film totally closed coal yard. The requirement of the gas film closed coal yard on the air tightness is very required, so that the function of intercommunication between the gas film closed coal yard and the steel mesh frame coal yard through means such as mechanical equipment is weakened or even lost, and therefore a system needs to be designed, and the intercommunication coal blending requirement of the gas film coal yard and the steel mesh frame coal yard of the coal-fired power plant can be realized while the independence and the air tightness of the gas film closed coal yard are realized.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a coal blending system for intercommunicating a gas film coal yard and a steel mesh frame coal yard, which can realize intercommunicating coal blending of the gas film coal yard and the steel mesh frame coal yard while ensuring the independence and the air tightness of the gas film coal yard.
In order to achieve the purpose, the intercommunication coal blending system of the gas film coal yard and the steel mesh frame coal yard comprises the gas film coal yard, the steel mesh frame coal yard and a coal conveying system for realizing the communication and coal blending between the gas film coal yard and the steel mesh frame coal yard, wherein the gas film coal yard penetrates through the gas film coal yard belt coal conveying system, the steel mesh frame coal yard penetrates through the steel mesh frame coal yard and the steel mesh frame coal yard underground coal conveying belt matched with the steel mesh frame coal yard underground coal conveying belt, the side surface of the gas film coal yard is provided with a plurality of gas locking automobile coal conveying channels, the side surface of the steel mesh frame coal yard is provided with a plurality of steel mesh frame coal yard automobile coal conveying channels, the gas film coal yard and the steel mesh frame coal yard are communicated through a gas locking coal pusher channel, and the coal conveying system is positioned between the gas film coal yard and the steel mesh frame coal yard.
The coal conveying system comprises a semi-underground coal conveying gallery, a coal dropping grate, a steel coal hopper, a coal feeder and a coal conveying belt, wherein the semi-underground coal conveying gallery is arranged in an air film coal yard, the coal dropping grate is arranged at the position of an opening at the top of the semi-underground coal conveying gallery, the steel coal hopper is positioned in the semi-underground coal conveying gallery, the opening at the top of the steel coal hopper is opposite to the coal dropping grate, the coal feeder is arranged at the opening at the bottom of the steel coal hopper, one end of the coal conveying belt is positioned below the coal feeder, and the other end of the coal conveying belt is opposite to a coal dropping port of the steel mesh frame coal yard.
The bottom of the steel coal hopper is provided with an electric gas locking plugboard door, a gas locking coal pusher channel gas locking device is arranged in the gas locking coal pusher channel, a gas locking automobile coal conveying channel gas locking device is arranged in the gas locking automobile coal conveying channel, and a gas film coal yard belt coal conveying system gas locking device is arranged in the gas film coal yard belt coal conveying system.
Each gas-locking automobile coal conveying channel is arranged on the left side and the right side of the gas film coal yard.
And the automobile coal conveying channels of each steel mesh frame coal yard are arranged on the left side and the right side of the steel mesh frame coal yard.
The invention has the following beneficial effects:
when the intercommunicated coal blending system of the air film coal yard and the steel mesh frame coal yard works specifically, the intercommunicated coal blending of the air film coal yard and the steel mesh frame coal yard is realized through the coal conveying system, the belt coal conveying system of the air film coal yard, the underground coal conveying belt of the steel mesh frame coal yard, the air locking car coal conveying channel, the car coal conveying channel of the steel mesh frame coal yard and the air locking coal pusher channel, in addition, the bottom of the steel coal hopper is provided with an electric air locking inserting plate door, the air locking coal pusher channel is provided with an air locking coal pusher channel air locking device, the air locking car coal conveying channel is provided with an air locking car coal conveying channel air locking device, the belt coal conveying system of the air film coal yard is provided with an air locking device of the air film coal yard belt coal conveying system to ensure the independence and the air tightness of the air film coal yard, the structure is simple, the operation is convenient, the maximum advantage of saving investment of the air film coal yard is achieved, the intercommunicated coal blending convenience is achieved, and the harsh requirements of a thermal power plant on, the method can be widely applied to the closed transformation of the common gas film totally-closed coal yard and the original steel mesh frame coal yard, and has good environmental benefit and economic benefit in the aspect of popularization of a thermal power plant.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a coal conveying system 3 according to the present invention.
The coal conveying system comprises an air film coal yard 1, a steel mesh frame coal yard 2, a coal conveying system 3, an air locking coal pusher passage 4, an air locking automobile coal conveying passage 5, an air film coal yard belt coal conveying system 6, an air locking device of an air film coal yard belt coal conveying system 7, an underground coal conveying belt 8 of the steel mesh frame coal yard, an underground coal conveying belt coal feeding system 9 of the steel mesh frame coal yard, an automobile coal conveying passage 10 of the steel mesh frame coal yard, a semi-underground coal conveying gallery 11, a coal dropping grate 12, a steel coal bucket 13, a coal feeder 14, a coal conveying belt 15, an electric air locking plugboard door 16 and a coal dropping port 17.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the coal blending system comprises a gas film coal yard 1, a steel mesh frame coal yard 2 and a coal conveying system 3 for communicating and blending the gas film coal yard 1 and the steel mesh frame coal yard 2, wherein the gas film coal yard 1 penetrates through a gas film coal yard belt coal conveying system 6, the steel mesh frame coal yard 2 penetrates through a steel mesh frame coal yard underground coal conveying belt 8 and a steel mesh frame coal yard underground coal conveying belt coal feeding system 9 matched with the steel mesh frame coal yard underground coal conveying belt 8, the side surface of the gas film coal yard 1 is provided with a plurality of gas locking automobile coal conveying channels 5, the side surface of the steel mesh frame coal yard 2 is provided with a plurality of steel mesh frame coal yard automobile coal conveying channels 10, the gas film coal yard 1 and the steel mesh frame coal yard 2 are communicated with each other through a gas locking coal pusher channel 4, and the coal conveying system 3 is located between the gas film coal yard 1 and the steel mesh frame coal yard 2.
Referring to fig. 2, the coal conveying system 3 includes a semi-underground coal conveying gallery 11, a coal dropping grate 12, a steel coal hopper 13, a coal feeder 14 and a coal conveying belt 15, wherein the semi-underground coal conveying gallery 11 is disposed in the air film coal yard 1, the coal dropping grate 12 is disposed at a top opening position of the semi-underground coal conveying gallery 11, the steel coal hopper 13 is disposed in the semi-underground coal conveying gallery 11, a top opening of the steel coal hopper 13 faces the coal dropping grate 12, the coal feeder 14 is disposed at a bottom opening position of the steel coal hopper 13, one end of the coal conveying belt 15 is disposed below the coal feeder 14, and the other end of the coal conveying belt 15 faces a coal dropping port 17 of the steel truss coal yard 2.
It should be noted that an electric air-lock plug plate door 16 is arranged at the bottom of the steel coal hopper 13, an air-lock coal pusher channel air-lock device is arranged in the air-lock coal pusher channel 4, an air-lock car coal transport channel air-lock device is arranged in the air-lock car coal transport channel 5, and an air-lock film coal yard belt coal transport system air-lock device is arranged in the air-film coal yard belt coal transport system 6; each gas-locked automobile coal conveying channel 5 is arranged on the left side and the right side of the gas film coal yard 1; the automobile coal conveying channels 10 of each steel net rack coal yard are arranged on the left side and the right side of the steel net rack coal yard 2.
When the coal blending device works specifically, the intercommunication and coal blending co-combustion of coal yards with two different structures are realized through four modes.
1. The belt coal feeding system mainly comprises a gas film coal yard belt coal conveying system 6 and a steel mesh frame coal yard underground coal conveying belt, two kinds of coal of different coal yards are conveyed to a coal feeder bunker through two belts respectively to be mixed, and the coal blending and burning function is achieved.
2. The communicating coal distribution system mainly comprises a coal conveying system 3, wherein the coal of an air film coal yard 1 is conveyed to the upper part of an underground coal conveying belt coal feeding system 9 of a steel net rack coal yard through a coal dropping grate 12, a steel coal hopper 13, an electric air locking spile door 16, a coal feeder 14, a coal conveying belt 15 and a coal dropping port 17, and is mixed with the coal of the steel net rack coal yard 2 in proportion and then is conveyed to the underground coal conveying belt coal feeding system 9 of the steel net rack coal yard, so that the specific coal of the air film coal yard 1 and the coal distribution function of the coal of the steel net rack coal yard 2 are realized.
3. The coal-fired and equipment intercommunication system mainly based on the air-locking coal pusher channel 4 realizes the free intercommunication of specific fuels and coal pushing equipment of different coal yards between the air film coal yard 1 and the steel net rack coal yard 2, the air-locking coal pusher channel 4 consists of two interlocked sealed doors and has the air-locking function, and the equipment and the fuel are intercommunicated during the period without influencing the tightness of the air film coal yard 1.
4. The automobile coal conveying system is composed of a plurality of air-lock automobile coal conveying channels 5 and a plurality of steel mesh frame coal yard automobile coal conveying channels 10, the air-lock automobile coal conveying channels 5 are composed of two interlocked sealed doors, and the automobiles shuttle and communicate between the air film coal yard 1 and the steel mesh frame coal yard 2, so that the proportional mixing of specific fuels is realized, and the tightness of the air film coal yard 1 cannot be influenced.
The invention has the greatest advantage of saving investment of the gas film coal yard 1, meets the air tightness requirement of the gas film coal yard 1, has the convenience of intercommunicating coal blending, meets the harsh requirement of a thermal power plant on various blended coal blending combustion schemes, has flexible operation and very practical operation, can be widely applied to the closed transformation of a common gas film totally-closed coal yard and an original steel mesh frame coal yard 2, has good environmental benefit in the aspect of popularization of the thermal power plant and also has economic efficiency.
The technical idea of the present invention is described above only, and the scope of the present invention should not be limited thereby, and any modification made based on the technical idea of the present invention is within the scope of the present invention.
Claims (5)
1. A coal blending system for intercommunicating a gas film coal yard and a steel mesh frame coal yard is characterized by comprising the gas film coal yard (1), the steel mesh frame coal yard (2) and a coal conveying system (3) for realizing communication and coal blending between the gas film coal yard (1) and the steel mesh frame coal yard (2), wherein the gas film coal yard (1) is penetrated by a gas film coal yard belt coal conveying system (6), the steel mesh frame coal yard (2) is penetrated by a steel mesh frame coal yard underground coal conveying belt (8) and a steel mesh frame coal yard underground coal conveying belt coal feeding system (9) matched with the steel mesh frame coal yard underground coal conveying belt (8), the side surface of the gas film coal yard (1) is provided with a plurality of gas locking automobile coal conveying channels (5), the side surface of the steel mesh frame coal yard (2) is provided with a plurality of steel mesh frame coal yard automobile coal conveying channels (10), and the gas film coal yard (1) and the steel mesh frame coal yard (2) are intercommunicated by a gas locking coal pushing channel (4), the coal conveying system (3) is positioned between the air film coal yard (1) and the steel net rack coal yard (2).
2. The intercommunication coal blending system of air film coal yard and steel net rack coal yard as claimed in claim 1, the coal conveying system (3) comprises a semi-underground coal conveying gallery (11), a coal dropping grate (12), a steel coal hopper (13), an electric air locking spile door (16), a coal feeder (14) and a coal conveying belt (15), wherein, the semi-underground coal conveying gallery (11) is arranged in the air film coal yard (1), the coal dropping grate (12) is arranged at the top opening position of the semi-underground coal conveying gallery (11), the steel coal hopper (13) is positioned in the semi-underground coal conveying gallery (11), and the top opening of the steel coal hopper (13) is over against the coal dropping grate (12), the bottom opening of the steel coal hopper (13) is provided with a coal feeder (14), one end of a coal conveying belt (15) is positioned below the coal feeder (14), and the other end of the coal conveying belt (15) is over against a coal dropping port (17) of the steel net rack coal yard (2).
3. The intercommunication coal blending system of gas film coal yard and steel mesh frame coal yard according to claim 2, characterized in that the bottom of the steel coal hopper (13) is provided with an electric gas-locking plugboard door (16), the gas-locking coal pusher channel (4) is internally provided with a gas-locking coal pusher channel gas-locking device, the gas-locking automobile coal pusher channel gas-locking device is arranged in the gas-locking automobile coal pusher channel (5), and the gas film coal yard belt coal conveying system gas-locking device is arranged in the gas film coal yard belt coal conveying system (6).
4. The coal blending system of claim 1, wherein each gas-locked car coal transportation channel (5) is arranged on the left side and the right side of the gas-film coal yard (1).
5. The intercommunication coal blending system of air film coal yard and steel net rack coal yard of claim 1, characterized by that, each steel net rack coal yard car coal transportation channel (10) is set up in the left and right sides of steel net rack coal yard (2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911192941.9A CN110759117A (en) | 2019-11-28 | 2019-11-28 | Intercommunication coal blending system for air film coal yard and steel mesh frame coal yard |
| PCT/CN2020/124095 WO2021103898A1 (en) | 2019-11-28 | 2020-10-27 | Gas film coal yard and steel net rack coal yard intercommunication type coal blending system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911192941.9A CN110759117A (en) | 2019-11-28 | 2019-11-28 | Intercommunication coal blending system for air film coal yard and steel mesh frame coal yard |
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| Publication Number | Publication Date |
|---|---|
| CN110759117A true CN110759117A (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911192941.9A Pending CN110759117A (en) | 2019-11-28 | 2019-11-28 | Intercommunication coal blending system for air film coal yard and steel mesh frame coal yard |
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| Country | Link |
|---|---|
| CN (1) | CN110759117A (en) |
| WO (1) | WO2021103898A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103898A1 (en) * | 2019-11-28 | 2021-06-03 | 西安西热锅炉环保工程有限公司 | Gas film coal yard and steel net rack coal yard intercommunication type coal blending system |
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| JP2002333121A (en) * | 2001-05-10 | 2002-11-22 | Hitachi Ltd | Pulverized coal boiler and its operating method |
| CN109592449A (en) * | 2019-01-21 | 2019-04-09 | 西安西热锅炉环保工程有限公司 | A kind of totally-enclosed coal yard of positive-pressure type lightweight membrane material |
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| CN109956334A (en) * | 2019-04-23 | 2019-07-02 | 西安西热锅炉环保工程有限公司 | A kind of air film closing coal yard and indoor coal storage yard interworking unit |
| CN211077708U (en) * | 2019-11-28 | 2020-07-24 | 西安西热锅炉环保工程有限公司 | Intercommunication coal blending system for air film coal yard and steel mesh frame coal yard |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH107222A (en) * | 1996-06-26 | 1998-01-13 | Ishikawajima Harima Heavy Ind Co Ltd | Air floating belt conveyer |
| CN204490829U (en) * | 2015-03-27 | 2015-07-22 | 华电重工股份有限公司 | A kind of Coal Blending System |
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| CN209480798U (en) * | 2019-01-21 | 2019-10-11 | 西安西热锅炉环保工程有限公司 | A kind of totally-enclosed coal yard of positive-pressure type lightweight membrane material |
| CN110759117A (en) * | 2019-11-28 | 2020-02-07 | 西安西热锅炉环保工程有限公司 | Intercommunication coal blending system for air film coal yard and steel mesh frame coal yard |
-
2019
- 2019-11-28 CN CN201911192941.9A patent/CN110759117A/en active Pending
-
2020
- 2020-10-27 WO PCT/CN2020/124095 patent/WO2021103898A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002333121A (en) * | 2001-05-10 | 2002-11-22 | Hitachi Ltd | Pulverized coal boiler and its operating method |
| CN109592449A (en) * | 2019-01-21 | 2019-04-09 | 西安西热锅炉环保工程有限公司 | A kind of totally-enclosed coal yard of positive-pressure type lightweight membrane material |
| CN109775380A (en) * | 2019-03-29 | 2019-05-21 | 西安西热锅炉环保工程有限公司 | A kind of totally-enclosed coal yard lock gas coal receiving bunker of air film |
| CN109956334A (en) * | 2019-04-23 | 2019-07-02 | 西安西热锅炉环保工程有限公司 | A kind of air film closing coal yard and indoor coal storage yard interworking unit |
| CN211077708U (en) * | 2019-11-28 | 2020-07-24 | 西安西热锅炉环保工程有限公司 | Intercommunication coal blending system for air film coal yard and steel mesh frame coal yard |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103898A1 (en) * | 2019-11-28 | 2021-06-03 | 西安西热锅炉环保工程有限公司 | Gas film coal yard and steel net rack coal yard intercommunication type coal blending system |
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| Publication number | Publication date |
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| WO2021103898A1 (en) | 2021-06-03 |
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