CN217004509U - Combustion accelerator adding system for cement production line - Google Patents
Combustion accelerator adding system for cement production line Download PDFInfo
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- CN217004509U CN217004509U CN202220474199.1U CN202220474199U CN217004509U CN 217004509 U CN217004509 U CN 217004509U CN 202220474199 U CN202220474199 U CN 202220474199U CN 217004509 U CN217004509 U CN 217004509U
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Abstract
The utility model discloses a combustion accelerator adding system for a cement production line, which comprises a combustion accelerator storage tank, a delivery pump, an injection pipe, a delivery pipe and a spraying device arranged in a coal powder preparation system, wherein one end of the injection pipe is a combustion accelerator input port, the other end of the injection pipe extends into the combustion accelerator storage tank from the top of the combustion accelerator storage tank after passing through the injection pump, one end of an output pipe is connected with the combustion accelerator storage tank, the other end of the output pipe is connected to the spraying device through the delivery pump, and the spraying device is provided with a plurality of nozzles which are arranged in a row in one direction. The system facilitates the addition of the combustion improver, and a plurality of nozzles are arranged at one position to ensure that the addition and mixing are more uniform.
Description
Technical Field
The utility model belongs to the technical field of environmental protection, and relates to a combustion accelerator adding system for a cement production line.
Background
In the field of cement production, a combustion promoter is added to help coal and other fuels to burn, the combustion promoter and the flue gas to be discharged form extremely combustible water gas to participate in combustion, and a large amount of coal resources are saved. The tradition interpolation mode, burning promoter's use is mostly in the direct addition to coal-fired raw materials, and combustion-supporting effect is poor, can cause burning promoter extravagant or not enough simultaneously, and burning promoter is not enough then can cause the waste of coal-fired raw materials, and the actual effect that consequently burning promoter produced is not good, and the characteristics of the buggy interpolation system of considering whole cement manufacture line can pertinence setting burning promoter interpolation system to improve the not enough of original burning promoter interpolation mode.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a combustion improver adding system for a cement production line, which is used for solving the technical problem that the combustion improver or coal-fired raw material is wasted because the combustion improver is directly added to the coal-fired raw material in the prior art.
A combustion improver addition system for a cement production line comprises a combustion improver storage tank, a delivery pump, an injection pipe, a delivery pipe and a spraying device arranged in a coal powder preparation system, wherein one end of the injection pipe is a combustion improver input port, the other end of the injection pipe passes through the injection pump and then extends into the combustion improver storage tank from the top of the combustion improver storage tank, one end of an output pipe is connected with the combustion improver storage tank, the other end of the output pipe passes through the delivery pump and is connected to the spraying device, and the spraying device is provided with a plurality of nozzles which are arranged in a row towards one direction.
Preferably, the pulverized coal preparation system comprises a raw coal storage yard, a raw coal bunker and a raw coal belt conveyor, wherein the spraying device is arranged at a feed opening of a material taking machine of the raw coal storage yard, on a belt of the raw coal belt conveyor or at a feed opening of the raw coal belt conveyor.
Preferably, the pulverized coal preparation system comprises a raw coal bin, a raw coal metering belt scale arranged at the outlet of the raw coal bin, a feeding pipe and a coal mill, wherein the feeding pipe is connected to the head of the coal mill through the raw coal bin, and the spraying device is arranged at the inlet of the raw coal bin, in the raw coal bin, on the raw coal metering belt scale, at the feeding port of the raw coal metering belt scale or at the feeding pipe.
Preferably, the pulverized coal preparation system comprises a coal mill, a coal mill powder concentrator and a coarse powder conveying device, wherein a coarse powder feed opening of the coal mill powder concentrator is arranged at a feed opening of the coarse powder conveying device, a discharge opening of the coarse powder conveying device is connected to a feed opening of the head of the coal mill, and the spraying device is arranged at the coarse powder feed opening, a conveying pipeline connected to the coal mill powder concentrator, the coarse powder conveying device or a feed opening of the coarse powder conveying device.
Preferably, the pulverized coal preparation system comprises a main dust collecting ash bucket connected to a fine powder discharge port of the coal mill separator and a pulverized coal conveying device located at a discharge port of the main dust collecting ash bucket, and the spraying device is arranged at a discharge port of the main dust collecting ash bucket, on the pulverized coal conveying device or at a discharge port of the pulverized coal conveying device.
Preferably, the pulverized coal preparation system comprises a pulverized coal bunker for containing pulverized coal, a feed opening of the pulverized coal bunker conveys the pulverized coal outwards through a pulverized coal bunker output device, a feeding opening is formed in the top of the pulverized coal bunker, and the spraying device is arranged on the pulverized coal bunker, the feeding opening, the feed opening of the pulverized coal bunker or the pulverized coal bunker output device.
Preferably, the pulverized coal preparation system comprises a pulverized coal bin and a kiln head burner, the pulverized coal bin is connected to an input pipeline of the kiln head burner, and the spraying device is arranged on the kiln head burner conveying device, a body of the kiln head burner or the input pipeline of the kiln head burner.
Preferably, the pulverized coal preparation system comprises a pulverized coal bunker and a kiln tail combustor, the pulverized coal bunker is connected to an input pipeline of the kiln tail combustor, and the spraying device is arranged on the kiln tail combustor conveying device, a body of the kiln tail combustor or the input pipeline of the kiln tail combustor.
Preferably, the spraying device comprises a spraying main shell and a plurality of nozzles with flat outlets, the spraying main shell comprises an input port, an expansion pipe body arranged in a direction different from that of the input port, and a plurality of output ports arranged along the expansion pipe body, and one nozzle is installed at the end of each output port.
The utility model has the following advantages: the combustion improver is convenient to add, a plurality of nozzles are arranged at one position to ensure that the addition and the mixing are more uniform, and the combustion improver is convenient to set and has small influence on other structures of a pulverized coal preparation system according to different specific adding positions; the combustion improver and the raw coal/coal powder can be fully mixed, and the homogenization effect is good; reduce the consumption of the combustion improver and is beneficial to reflecting the advantage of coal saving effect to the maximum extent. Because the nozzle adopts the flat outlet, the spraying range is enlarged, the spraying effect is more uniform, and the adding uniformity of the combustion improver is further improved.
Drawings
FIG. 1 is a schematic view showing the construction of a combustion accelerator adding system for a cement manufacturing line according to the present invention, in which a pulverized coal preparing system shows only a raw coal conveying area.
Fig. 2 is a schematic diagram showing the set points at which the spray devices can be set in a pulverized coal preparation system, which omits the raw coal conveying region, and the set points are indicated by hollow arrows.
Fig. 3 is a schematic structural view of the spraying device in the structure shown in fig. 1.
The labels in the figures are: 1. the device comprises a combustion accelerant storage tank, 2, a filling pump, 3, a filling pipe, 4, an inner conveying pipe, 5, a conveying pump, 6, a controller, 7, an outer conveying pipe, 8, a raw coal storage yard, 9, a spraying device, 901, a spraying main shell, 902, a nozzle, 10, a raw coal conveying belt conveyor, 11, a raw coal bin, 12, a main dust and ash collecting hopper, 13, an explosion-proof valve, 14, a feeding device, 15, a coal mill, 16, a coal mill powder concentrator, 17, a coal powder bin, 18, a kiln tail combustor, 19, a kiln head combustor, 20, a raw coal metering belt scale, 21, a coarse powder conveying reamer, 22 and a coal powder conveying reamer.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a more complete, accurate and thorough understanding of the inventive concept and technical solution of the present invention by those skilled in the art.
As shown in fig. 1-3, the present invention provides a combustion accelerator adding system for a cement production line, which comprises a combustion accelerator storage tank 1, a delivery pump 5, a charging pump 2, a charging pipe 3, a delivery pipe and a spraying device 9 arranged in a pulverized coal preparation system, wherein one end of the charging pipe 3 is a combustion accelerator input port, the other end of the charging pipe extends into the combustion accelerator storage tank 1 from the top of the combustion accelerator storage tank 1 after passing through the charging pump 2, one end of the output pipe is connected with the combustion accelerator storage tank 1, the other end of the output pipe is connected to the spraying device 9 through the delivery pump 5, and the spraying device 9 is provided with a plurality of nozzles 902 arranged in a row in one direction. The conveying pipe comprises an inner conveying pipe 4 and an outer conveying pipe 7, the inner conveying pipe 4 is connected with a combustion improver storage tank 1 and a conveying pump 5, the outer conveying pipe 7 conveys the combustion improver output by the conveying pump 5 to a spraying device 9, the conveying pumps 5 are two, one of the conveying pumps is a standby conveying pump 5, and the two conveying pumps 5 are connected to the conveying pipe in parallel. The delivery pump 5 is controlled by the controller 6 or is manually controlled by a control center.
The coal powder preparation system comprises a raw coal storage yard 8, a raw coal bin 11, a raw coal conveying belt conveyor 10, a raw coal metering belt scale 20 arranged at an outlet of the raw coal bin 11, a discharging pipe and a coal mill 15, wherein the coal mill powder concentrator 16, a coarse powder conveying device, a main dust and ash collecting hopper 12, a coal powder conveying device, a coal powder bin 17 for containing coal powder, a coal powder bin 17 output device, a kiln head burner 19 and a kiln tail burner 18. The feed opening of the reclaimer of the raw coal storage yard 8 is located the input of the raw coal belt conveyor 10, the feed opening of the raw coal belt conveyor 10 is located the entrance of the raw coal bunker 11, the raw coal metering belt scale 20 is used for quantitatively feeding coal to the feeding pipe, the feeding pipe is connected to the head of the coal mill 15 by the raw coal bunker 11, and the feeding device 14 is arranged on the feeding pipe and used for enabling raw coal to smoothly enter the coal mill 15. The coal mill 15 is characterized in that an output port of the coal mill 15 conveys coal powder to the coal mill powder concentrator 16, a coarse powder feed opening of the coal mill powder concentrator 16 is arranged at a feed opening of the coarse powder conveying device, a discharge opening of the coarse powder conveying device is connected to a feed opening at the head of the coal mill 15, and the coarse powder conveying device is a coarse powder conveying reamer 21. The main dust collecting ash bucket 12 is connected to a fine powder discharge port of a coal mill powder concentrator 16, a coal powder conveying device is located at the discharge port of the main dust collecting ash bucket 12, the coal powder conveying device conveys coal powder to a coal powder bin 17, and the coal powder conveying device is a coal powder conveying reamer 22. The feed opening of the pulverized coal bunker 17 conveys pulverized coal outwards through the pulverized coal bunker 17 output device, and the top of the pulverized coal bunker 17 is provided with a feed opening. The pulverized coal bunker 17 near the kiln head is connected to the input pipe of the kiln head burner 19, and the pulverized coal bunker 17 near the kiln tail is connected to the input pipe of the kiln tail burner 18.
As shown in fig. 2, explosion-proof valves 13 are arranged on a pipeline connecting the head of the coal mill 15 with the hot blast stove, a connecting pipeline connecting the coal mill 15 with the coal mill powder concentrator 16, a pipeline connecting the coal mill powder concentrator 16 with the main dust collecting hopper 12, the main dust collecting hopper 12 and the coal dust bin 17. The number of the pulverized coal bunker 17 is two, and the corresponding pulverized coal bunker 17 output device is respectively connected with the kiln tail burner 18 and the kiln head burner 19.
As shown in fig. 3, the spraying device 9 includes a spraying main housing 901 and a plurality of nozzles 902 having flat outlets, the spraying main housing 901 includes an input port, an extension pipe body arranged in a direction different from the input port, and a plurality of output ports arranged along the extension pipe body, and one nozzle 902 is installed at an end of each output port. If the extension body is located conveyor department, generally follow conveyor's transverse direction sets up, and is perpendicular with direction of delivery, enlarges through a plurality of nozzles 902 and sprays the scope, makes and sprays the effect more even. The spray header adopts the flat export, guarantees certain atomization effect, evenly mixes with the object of spraying.
As shown in fig. 1-2, the optional positions of the spray device 9 are described as follows according to the set points in the figures.
Set point D1 represents the belt up and belt feed openings of all the raw coal conveyor belts 10 between the raw coal yard 8 and the raw coal bunker 11.
Set point D2 represents the reclaimer feed opening of the raw coal yard 8.
Set point D3 represents the meal delivery reamer 21 and its feed opening.
Set point D4 shows the coal mill concentrator 16 and its feed opening, where the coal mill concentrator 16 may also include a cyclone, and thus set point D4 also includes the feed opening of the cyclone.
Set point D5 represents the main hopper 12 for coal dust preparation, the feed opening of the main hopper 12, the coal dust reamer 22 and its feed opening. The conveying structure from the system to the coal powder bin 17 adopts a coal powder conveying reamer 22, and the spraying device 9 can also be arranged on the corresponding coal powder conveying reamer 22 and a feed opening thereof.
The setting point D6 and the setting point D7 represent all the pulverized coal bunker 17 and the charging ports thereof, in this embodiment, two pulverized coal bunkers 17 are adopted to correspond to the kiln head and the kiln tail decomposing furnace, and the output device of the pulverized coal bunker 17 respectively conveys pulverized coal to the kiln head and the kiln tail decomposing furnace.
Set point D8 represents the raw coal silo 11 and the inlet of the raw coal silo 11.
Set point D9 represents the coal mill concentrator 16 and the transfer line connected to the coal mill concentrator 16.
Set point D10 represents the pulverized coal bunker 17 near the kiln head and the output of the pulverized coal bunker 17 to the kiln head.
Set point D11 represents the pulverized coal bunker 17 near the kiln tail and the output of the pulverized coal bunker 17 to the kiln tail decomposition furnace.
Set point D12 represents the body of the kiln end burner 18 and the input conduit of the kiln end burner 18.
Set point D13 represents the body of the kiln head burner 19 and the input conduit of the kiln head burner 19.
In a raw coal conveying area of a pulverized coal preparation system:
set point D14 represents the raw coal metering belt scale 20 and its feed opening.
Set point D15 represents all of the down pipes from the raw coal silo 11 to the head feed inlet of the coal mill 15, including the feed device 14.
In the scheme, if the setting points D1 and D2 of the pulverized coal preparation system are set, the method has the advantages of convenient setting and small influence on other parts of the pulverized coal preparation system.
If the combustion improver is added at the setting points D3, D4, D8, D9, D10, D11, D12, D13, D14, D15 and the like of the coal powder preparation system, the combustion improver and the raw coal/coal powder can be fully mixed, the homogenization effect is good, and the effect of the combustion improver can be better played.
If the combustion improver is added at the setting points D5, D6, D7 and the like of the coal powder preparation system, the loss of the combustion improver can be reduced, and the coal saving effect can be reflected to the maximum extent.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various insubstantial modifications of the inventive concepts and solutions disclosed herein, or other applications in which the inventive concepts and solutions are directly applicable without such modifications, and is within the scope of the utility model.
Claims (9)
1. A burning accelerator addition system for cement manufacture line which characterized in that: including combustion improver storage tank (1), delivery pump (5), filling pump (2), filler pipe (3), conveyer pipe and locate spray set (9) in the buggy preparation system, filler pipe (3) one end is the combustion improver input port and the other end warp follow behind filling pump (2) combustion improver storage tank (1) top is stretched into, conveyer pipe one end is connected combustion improver storage tank (1), the other end warp delivery pump (5) are connected to spray set (9), spray set (9) are equipped with and arrange into a plurality of nozzles (902) of one row towards a direction.
2. A combustion improver addition system for a cement manufacturing line according to claim 1, wherein: the pulverized coal preparation system comprises a raw coal storage yard (8), a raw coal bin (11) and a raw coal belt conveyor (10), wherein the spraying device (9) is arranged at a feed opening of a material taking machine of the raw coal storage yard (8), a belt of the raw coal belt conveyor (10) or a feed opening of the raw coal belt conveyor (10).
3. A combustion improver addition system for a cement manufacturing line according to claim 1, wherein: the pulverized coal preparation system comprises a raw coal bin (11), a raw coal metering belt scale (20) arranged at an outlet of the raw coal bin (11), a discharging pipe and a coal mill (15), wherein the discharging pipe is connected to the head of the coal mill (15) through the raw coal bin (11), and a spraying device (9) is arranged at an inlet of the raw coal bin (11), in the raw coal bin (11), on the raw coal metering belt scale (20), at a discharging opening of the raw coal metering belt scale (20) or at a discharging pipe.
4. A combustion accelerator addition system for cement production lines according to claim 3, characterized in that: the coal powder preparation system comprises a coal mill (15), a coal mill powder concentrator (16) and a coarse powder conveying device, wherein a coarse powder feed opening of the coal mill powder concentrator (16) is formed in a feed opening of the coarse powder conveying device, a discharge opening of the coarse powder conveying device is connected to the feed opening of the head of the coal mill (15), and a spraying device (9) is formed in the coarse powder feed opening, is connected to a conveying pipeline of the coal mill powder concentrator (16), or is arranged at the feed opening of the coarse powder conveying device.
5. A combustion accelerator addition system for cement production lines according to claim 1, characterized in that: the coal powder preparation system comprises a main dust collecting ash bucket (12) connected to a fine powder discharge hole of a coal mill powder concentrator (16) and a coal powder conveying device located at a discharge hole of the main dust collecting ash bucket (12), wherein the spraying device (9) is arranged at the discharge hole of the main dust collecting ash bucket (12) or at a discharge hole of the coal powder conveying device.
6. A combustion accelerator addition system for cement production lines according to claim 1, characterized in that: buggy preparation system is including buggy storehouse (17) of splendid attire buggy, the feed opening of buggy storehouse (17) outwards carries the buggy through buggy storehouse (17) output device, buggy storehouse (17) top is equipped with into feed opening, spray set (9) are located buggy storehouse (17) the feed opening of going into the storehouse the feed opening of buggy storehouse (17) or buggy storehouse (17) output device.
7. A combustion accelerator addition system for cement production lines according to claim 1, characterized in that: the pulverized coal preparation system comprises a pulverized coal bin (17) and a kiln head burner (19), wherein the pulverized coal bin (17) is connected to an input pipeline of the kiln head burner (19), and the spraying device (9) is arranged on a conveying device of the kiln head burner (19), a body of the kiln head burner (19) or the input pipeline of the kiln head burner (19).
8. A combustion accelerator addition system for cement production lines according to claim 1, characterized in that: the pulverized coal preparation system comprises a pulverized coal bin (17) and a kiln tail combustor (18), wherein the pulverized coal bin (17) is connected to an input pipeline of the kiln tail combustor (18), and the spraying device (9) is arranged on a conveying device of the kiln tail combustor (18), a body of the kiln tail combustor (18) or the input pipeline of the kiln tail combustor (18).
9. A combustion accelerator addition system for cement manufacturing lines according to any one of claims 1 to 8, characterized in that: the spraying device (9) comprises a spraying main shell (901) and a plurality of nozzles (902) with flat outlets, wherein the spraying main shell (901) comprises an input port, an expansion pipe body arranged in a direction different from the input port and a plurality of output ports distributed along the expansion pipe body, and one nozzle (902) is installed at the end part of each output port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220474199.1U CN217004509U (en) | 2022-03-04 | 2022-03-04 | Combustion accelerator adding system for cement production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220474199.1U CN217004509U (en) | 2022-03-04 | 2022-03-04 | Combustion accelerator adding system for cement production line |
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| CN217004509U true CN217004509U (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220474199.1U Active CN217004509U (en) | 2022-03-04 | 2022-03-04 | Combustion accelerator adding system for cement production line |
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2022
- 2022-03-04 CN CN202220474199.1U patent/CN217004509U/en active Active
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