CN217024116U - Storage and transport charge-in system suitable for fly ash burns - Google Patents
Storage and transport charge-in system suitable for fly ash burns Download PDFInfo
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- CN217024116U CN217024116U CN202122223188.4U CN202122223188U CN217024116U CN 217024116 U CN217024116 U CN 217024116U CN 202122223188 U CN202122223188 U CN 202122223188U CN 217024116 U CN217024116 U CN 217024116U
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Abstract
The utility model relates to the field of solid waste disposal, in particular to a storage, conveying and feeding system suitable for incineration fly ash, which comprises a fly ash bin, a fly ash feeding device, a dust remover, a cut-off valve, a spiral scale, an injection pump, an air blower and an output device, wherein the fly ash bin is connected with the fly ash feeding device; the top of the fly ash bin is connected with a fly ash feeding device and a dust remover which are communicated with the inside of the fly ash bin, the bottom of the fly ash bin is provided with a cut-off valve, a spiral scale is arranged below the cut-off valve, an outlet of the spiral scale is connected with an injection pump, the injection pump is connected with an air blower, an outlet of the injection pump is connected with an output device through a closed pipeline, and the output device is used for being connected with a cement kiln. The device realizes the airtight storage, metering and conveying of the incineration fly ash, and has the characteristics of small occupied area, high automation degree, good stability, long conveying distance, safety and environmental protection.
Description
Technical Field
The utility model relates to the field of solid waste disposal, in particular to a storage, conveying and feeding system suitable for incineration fly ash.
Background
2008 plus 2018, the harmless incineration treatment rate of the garbage in China all year round is improved from 15.2 percent to 40.2 percent; in 2018, the annual garbage incineration amount reaches 21034.2 ten thousand t. The fly ash from burning domestic garbage (hereinafter referred to as fly ash) is a powdery substance collected by a flue gas purification system from burning domestic garbage, and the particle size is less than 100 μm. The production amount of the fly ash generated by burning the garbage is 3 percent of the mass of the garbage in the furnace, and the fly ash generated by burning the garbage all the year round can reach 631.026 ten thousand t. The fly ash contains organic pollutants such as benzopyrene, benzanthracene, dioxin and the like and heavy metals such as Cr, Cd, Hg, Pb, Cu, Ni and the like, and is a highly dangerous solid waste. If the fly ash is not properly disposed, the fly ash can cause serious toxicity to the environment. The main component of the fly ash is a mineral phase which can be used as a raw material for cement production, and harmful substances are degraded and solidified, namely, the fly ash is treated by the cooperation of a cement kiln. However, the fly ash has small particle size and light density, so that secondary dust pollution is easily caused in the storage and transportation processes.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a storage and transportation feeding system for incineration fly ash, wherein the storage and transportation process is performed in a closed space, and the system can realize automatic operation and effectively prevent secondary pollution.
For the purpose of the utility model, the following technical scheme is adopted for implementation:
a storage and conveying feeding system suitable for incineration fly ash comprises a fly ash bin, a fly ash feeding device, a dust remover, a cut-off valve, a spiral scale, an injection pump, an air blower and an output device; the top of the fly ash bin is connected with a fly ash feeding device and a dust remover which are communicated with the inside of the fly ash bin, the bottom of the fly ash bin is provided with a cut-off valve, a spiral scale is arranged below the cut-off valve, an outlet of the spiral scale is connected with an injection pump, the injection pump is connected with an air blower, an outlet of the injection pump is connected with an output device through a closed pipeline, and the output device is used for being connected with a cement kiln.
Preferably, the fly ash bin has a cylindrical upper part and a conical lower part.
Preferably, the fly ash feeding device comprises a fly ash feeding pipe, the upper end of the fly ash feeding pipe is connected with the fly ash bin, and the lower end of the fly ash feeding pipe is used for connecting the fly ash stored in the fly ash belt.
Preferably, the fly ash feeding device comprises a spiral conveyor and a bucket elevator, the spiral conveyor is provided with a spiral conveyor inlet and a spiral conveyor outlet, the bucket elevator is provided with a bucket elevator inlet and a bucket elevator outlet, the spiral conveyor outlet is connected with the bucket elevator inlet, the bucket elevator outlet is higher than the top of the fly ash bin, and the bucket elevator outlet is connected with the top of the fly ash bin.
Preferably, the output device comprises a distributor, a kiln head spray gun and a kiln tail spray gun; two outlets of the distributor are respectively connected with a kiln head spray gun and a kiln tail spray gun through pipelines, the kiln head spray gun is used for being connected with a kiln head of the cement kiln, and the kiln tail spray gun is used for being connected with a kiln tail of the cement kiln.
In conclusion, the utility model has the advantages that:
1. the device realizes the closed storage, metering and conveying of the incineration fly ash, and has the characteristics of small occupied area, high automation degree, good stability, long conveying distance, safety and environmental protection.
2. Two storage and feeding modes of pipeline conveying and lifting conveying are arranged, and the device can be suitable for storing incoming materials of bulk fly ash and bagged fly ash simultaneously.
3. The fly ash can be conveyed to the kiln head or the kiln tail to realize feeding by adopting a pneumatic conveying fly ash system, so that the feeding amount and the stability of a cement kiln system are improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, a storage and transportation feeding system suitable for incineration fly ash comprises a fly ash bin 1, a fly ash feeding device 2, a dust collector 3, a shut-off valve 4, a spiral scale 5, an injection pump 6, a blower 7 and an output device 8. The upper part of the fly ash bin 1 is cylindrical, and the lower part of the fly ash bin is conical. The top of the fly ash bin 1 is connected with a fly ash feeding device 2 and a dust remover 3 which are communicated with the inside of the fly ash bin 1, the bottom of the fly ash bin 1 is provided with a block valve 4, and the block valve 4 is preferably a gate valve. A spiral scale 5 is arranged below the block valve 4, and the spiral scale 5 is used for metering fly ash. The outlet of the spiral scale 5 is connected with a jet pump 6, a blower 7 is connected to the jet pump 6, the blower 7 provides power for the jet pump 6, and the blower 7 is preferably a roots blower. The outlet of the jet pump 6 is connected with an output device 8 through a closed pipeline, and the output device 8 is used for being connected with the cement kiln.
The fly ash feeding device 2 can be a fly ash feeding pipe 21, the upper end of the fly ash feeding pipe 21 is connected with the fly ash bin 1, and the lower end is used for connecting fly ash stored in a fly ash belt. When the fly ash is in bulk, for example, the fly ash is transported by a tank truck, the lower end of the fly ash feeding pipe 21 is connected to the tank truck to feed the bulk fly ash in the tank truck into the fly ash silo 1.
The fly ash feeding device 2 can also be a spiral conveyor 22 and a bucket elevator 23, the spiral conveyor 22 is provided with a spiral conveyor inlet 221 and a spiral conveyor outlet 222, the bucket elevator 23 is provided with a bucket elevator inlet 231 and a bucket elevator outlet 232, wherein the spiral conveyor outlet 222 is connected with the bucket elevator inlet 231, the bucket elevator outlet 232 is higher than the top of the fly ash bin 1, and the bucket elevator outlet 232 is connected with the top of the fly ash bin 1. When the fly ash is bagged, the fly ash in the bag enters the screw conveyor 22 from the inlet 221 of the screw conveyor, moves to the outlet 222 under the action of the screw, and is transferred into the fly ash bin 1 by the bucket elevator 23.
The output device 8 includes a distributor 81, a kiln head lance 82, and a kiln tail lance 83. Two outlets of the distributor 81 are respectively connected with a kiln head spray gun 82 and a kiln tail spray gun 83 through pipelines, the kiln head spray gun 82 is used for being connected with the kiln head of the cement kiln, and the kiln tail spray gun 83 is used for being connected with the kiln tail of the cement kiln.
The utility model has the advantages that:
1. the device realizes the closed storage, metering and conveying of the incineration fly ash, and has the characteristics of small occupied area, high automation degree, good stability, long conveying distance, safety and environmental protection.
2. Two storage and feeding modes of pipeline conveying and lifting conveying are arranged, and the device can be suitable for storing incoming materials of bulk fly ash and bagged fly ash simultaneously.
3. The fly ash can be conveyed to the kiln head or the kiln tail to realize feeding by adopting a pneumatic conveying fly ash system, so that the feeding amount and the stability of a cement kiln system are improved.
Claims (5)
1. A storage and conveying feeding system suitable for incineration fly ash is characterized by comprising a fly ash bin (1), a fly ash feeding device (2), a dust remover (3), a cut-off valve (4), a spiral scale (5), an injection pump (6), an air blower (7) and an output device (8); the top of the fly ash bin (1) is connected with a fly ash feeding device (2) and a dust remover (3) which are communicated with the interior of the fly ash bin (1), the bottom of the fly ash bin (1) is provided with a cut-off valve (4), a spiral scale (5) is arranged below the cut-off valve (4), an outlet of the spiral scale (5) is connected with an injection pump (6), the injection pump (6) is connected with an air blower (7), an outlet of the injection pump (6) is connected with an output device (8) through a closed pipeline, and the output device (8) is used for being connected with a cement kiln.
2. A storage and transport feeding system for incineration fly ash according to claim 1, characterized in that the fly ash silo (1) is cylindrical in the upper part and conical in the lower part.
3. A storage and transport feeding system for incineration fly ash according to claim 1, characterized in that the fly ash feeding device (2) comprises a fly ash feeding pipe (21), the upper end of the fly ash feeding pipe (21) is connected with the fly ash silo (1), and the lower end is used for connecting the fly ash stored in the fly ash belt.
4. The storage and conveying feeding system for incineration fly ash according to claim 1, wherein the fly ash feeding device (2) comprises a screw conveyor (22) and a bucket elevator (23), the screw conveyor (22) is provided with a screw conveyor inlet (221) and a screw conveyor outlet (222), the bucket elevator (23) is provided with a bucket elevator inlet (231) and a bucket elevator outlet (232), the screw conveyor outlet (222) is connected with the bucket elevator inlet (231), the bucket elevator outlet (232) is higher than the top of the fly ash bin (1), and the bucket elevator outlet (232) is connected with the top of the fly ash bin (1).
5. The storage and transport feeding system for incineration fly ash according to claim 1, characterized in that the output device (8) comprises a distributor (81), a kiln head lance (82) and a kiln tail lance (83); two outlets of the distributor (81) are respectively connected with a kiln head spray gun (82) and a kiln tail spray gun (83) through pipelines, the kiln head spray gun (82) is used for being connected with the kiln head of the cement kiln, and the kiln tail spray gun (83) is used for being connected with the kiln tail of the cement kiln.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122223188.4U CN217024116U (en) | 2021-09-13 | 2021-09-13 | Storage and transport charge-in system suitable for fly ash burns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122223188.4U CN217024116U (en) | 2021-09-13 | 2021-09-13 | Storage and transport charge-in system suitable for fly ash burns |
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| Publication Number | Publication Date |
|---|---|
| CN217024116U true CN217024116U (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122223188.4U Active CN217024116U (en) | 2021-09-13 | 2021-09-13 | Storage and transport charge-in system suitable for fly ash burns |
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| CN (1) | CN217024116U (en) |
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2021
- 2021-09-13 CN CN202122223188.4U patent/CN217024116U/en active Active
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