CN201225640Y - Blowing apparatus of coal preparing system - Google Patents
Blowing apparatus of coal preparing system Download PDFInfo
- Publication number
- CN201225640Y CN201225640Y CNU2008200681173U CN200820068117U CN201225640Y CN 201225640 Y CN201225640 Y CN 201225640Y CN U2008200681173 U CNU2008200681173 U CN U2008200681173U CN 200820068117 U CN200820068117 U CN 200820068117U CN 201225640 Y CN201225640 Y CN 201225640Y
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- pressure pipe
- negative pressure
- pipe
- blowing device
- sack cleaner
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Abstract
The utility model discloses a blowing device of a coal making system, which comprises a pulverized coal bunker, a worm wheel and worm supplying machine, a circular balance scale and a vertical air locking valve which are all connected in series from top to bottom. The top end of the pulverized coal bunker is connected with a cloth-bag dust remover by a star-shaped dust removing valve, the bottom end of the vertical air locking valve is connected with a pulverized coal conveying pipe provided with a blower, the joint between the worm wheel and worm supplying machine and the circular balance scale or the vertical air locking valve is respectively provided with an upper sub-pressure pipe and a lower sub-pressure pipe, the upper sub-pressure pipe and the lower sub-pressure pipe are respectively connected with the lower end of a main sub-pressure pipe, the upper end of the main sub-pressure pipe is connected with a cloth-bag dust remover, a bending pipeline of the connection position between the main sub-pressure pipe and the cloth-bag dust remover is in an incline arrangement mode, and the upper sub-pressure pipe and the lower sub-pressure pipe are respectively provided with a detachable upper coupling hose and a lower coupling pipe. The utility model has the advantages of simple structure, effective avoidance of system material blocking and stable operation, and is suitable to be applied to a rotary kiln system of a drying grate.
Description
Technical field
The utility model relates generally to the coal preparation system that fuel is provided for the chain grate-rotary kiln system in the metallurgy industry, refers to a kind of blowing device of coal preparation system particularly.
Background technology
The grate kiln system needs a large amount of heat energy, and main fuel is a coal dust.The blowing device of coal preparation system is the device that coal dust is provided for rotary kiln.Coal is through the coal dust of coal pulverizer after grinding, on request coal-supplying amount equably breeze blowing to rotary kiln central authorities burner, provide heat energy in the kiln internal combustion for pellet roasting.Coal is evacuated to the fine coal storehouse through the qualified coal dust after grinding through air-introduced machine, and fine coal storehouse feed opening links to each other with worm and gear supply machine; Enter ring balance scale (meter heavy-duty machine) behind the coal process supply machine, need the coal amount by the meter heavy-duty machine by production again, evenly expect the vertical locking air-valve of below down, the coal that the vertical locking air-valve drops to airduct provides wind-force that coal is jetted to rotary kiln by roots blower to burn again, the negative pressure pipe is equipped with at connector place at ring balance meter heavy-duty machine and vertical locking air-valve, negative pressure Guan Shanglian sack cleaner, sack cleaner is extracted the pressure in the negative pressure pipe out, thereby make in meter heavy-duty machine and the air valve and form negative pressure, make that coal dust is easier to fall.The coal blowing device is very unstable all the time, very easily stops up, and shows the most obviously in the negative pressure line of installing.But in lasting production time when not being very long, problem can not expose; When temperature was higher, fine coal had 60～70 ℃, and negative pressure pipe internal-external temperature difference is not too big, and it is not very serious the dewfall situation occurring, also was difficult for stopping up.And if it cyclostrophic is cold, negative pressure pipe, sack cleaner internal-external temperature difference are bigger, operation is no more than will stop up in a week, make whole coal injection system equipment extremely unstable, stable high yield brings certain influence to pelletizing: wherein because negative pressure line is often stopped up, make in meter heavy-duty machine and the air valve and can't form negative pressure, cause coal powder injection often not smooth, leak the powder fault and repeatedly take place, cause the pelletizing underproduction.
The reason of blowing device job insecurity is many-sided, and chief reason is that installation site, main negative pressure pipe top is higher and pipeline is repeatedly crooked the most.Such structure is very easily stopped up winner's negative pressure pipe, but also makes the blast in the whole negative pressure line reduce, and causes coal dust to accumulate in negative pressure line and causes obstruction everywhere.And negative pressure line is integrated piping, must the integral demounting mediation in case stop up, and whole blowing device must be shut down, and has delayed production.
Summary of the invention
The purpose of this utility model is exactly the deficiency that will solve the above-mentioned background technology, proposes a kind of stablely, is difficult for putty, can guarantee the blowing device of not shutting down operation and can not shut down the coal preparation system of mediation putty when putty takes place.
At above-mentioned purpose, the blowing device of the coal preparation system that the utility model is designed, comprise from top to bottom arranged in series successively Pulverized Coal Bin, worm and gear is supplied with machine, ring balance claims and the vertical locking air-valve, the top of described Pulverized Coal Bin links to each other with sack cleaner by star-like unloading valve, described vertical locking air-valve bottom links to each other with the coal dust carrier pipe that is provided with hair-dryer, the junction that described worm and gear supply machine and ring balance claim is provided with the negative pressure pipe, described ring balance claims to be provided with down the negative pressure pipe with the junction of vertical locking air-valve, the described negative pressure pipe of going up links to each other with the lower end of main negative pressure pipe respectively with following negative pressure pipe, the upper end of described main negative pressure pipe links to each other with sack cleaner, the bending section pipeline that described main negative pressure pipe links to each other with sack cleaner is the state of being in tilted layout, described go up be respectively arranged with on negative pressure pipe and the following negative pressure pipe be connected on detachable flexible pipe with under be connected flexible pipe.
Further, the bending section pipeline that links to each other with sack cleaner of described main negative pressure pipe and the slanted angle of horizontal plane are 5～15 °.
Further, the bending section pipeline that links to each other with sack cleaner of described main negative pressure pipe is provided with detachable nipple.
Advantage of the present utility model is: the bending section pipeline that main negative pressure pipe is linked to each other with sack cleaner changes into and is the state of being in tilted layout, make the exhausting of winner's negative pressure pipe can keep unimpeded, guaranteed to keep higher blast in the whole negative pressure line, the probability that makes whole negative pressure line stop up reduces greatly; Simultaneously, this device is provided with dismountable connection flexible pipe in negative pressure line, can dismantle flexible pipe and dredge when pipeline take place to stop up, need not shutdown operation, clear up very convenient; This device is the production practices that often go wrong that prepare injection system according to coal, redesign forms after summing up, comfort level when its main performance indications and handling problem is better than original injection system greatly, and transformation is convenient, with low cost, be fit to actual user demand more, its scope of application not only is confined to the blowing device of coal measures system, and is also applicable in other other similar key equipments of industry.
Description of drawings
Fig. 1 is the structural representation of the blowing device of coal preparation system;
Fig. 2 is the local structure for amplifying schematic diagram at A place among Fig. 1.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
As shown in Figure 1, the blowing device of the coal preparation system that the utility model is designed, comprise from top to bottom arranged in series successively Pulverized Coal Bin 4, worm and gear supply with machine 5, ring balance and claim 6 and vertical locking air-valve 7.The sack cleaner 2 that described Pulverized Coal Bin 4 tops are provided with, the two links to each other by star-like unloading valve 3.Coal in the Pulverized Coal Bin 4 is supplied with machine 5 through worm and gear and is imported ring balance scale 6, need the coal amount by ring balance scale 6 by production again, evenly expect the vertical locking air-valve 7 of below down, the wind-force that vertical locking air-valve 7 drops to the coal in the coal dust carrier pipe 8 to be provided by hair-dryer 9 is again jetted to the rotary kiln burning, heat energy is provided for the green-ball roasting.The side of described coal dust carrier pipe 8 offers the coal outlet for emergency row coal, and coal outlet is provided with stop valve 19, and described hair-dryer 9 is generally roots blower.Described worm and gear is supplied with machine 5 and is claimed 6 junction to be provided with negative pressure pipe 10 with ring balance, described ring balance claims 6 to be provided with down negative pressure pipe 11 with the junction of vertical locking air-valve 7, the described negative pressure pipe 10 of going up links to each other with the lower end of main negative pressure pipe 16 respectively with following negative pressure pipe 11, and the upper end of described main negative pressure pipe 16 links to each other with sack cleaner 2.Bottom at last negative pressure pipe 10 and following negative pressure pipe 11 is provided with the dish valve 1 that is used to control blast, is provided with on main negative pressure pipe 16 tops to be used for the pipeline inner pressure explosion-proof valve 13 that air draft is reduced pressure when excessive.Sack cleaner 2 is extracted the pressure in last negative pressure pipe 10 and the following negative pressure pipe 11 out by main negative pressure pipe 16, makes formation negative pressure in ring balance scale 6 and the vertical locking air-valve 7, makes that coal dust is easier to fall.Simultaneously, the coal ash of kicking up at ring balance scale 6 and vertical locking air-valve 7 places also can be taken away, delivers in the sack cleaner 2.The bending section pipeline that described main negative pressure pipe 16 links to each other with sack cleaner 2 is the state of being in tilted layout.The structure of main negative pressure pipe 16 upper pipelines has greatly been simplified in this design, makes the exhausting in winner's negative pressure pipe 16 become smooth and easy, and blast increases, thereby has greatly reduced the probability that obstruction takes place in the main negative pressure pipe 16.Simultaneously, last negative pressure pipe 10 that links to each other with main negative pressure pipe 16 and the blast in the following negative pressure pipe 11 increase equally, make that also going up the probability that takes place to stop up in negative pressure pipe 10 and the following negative pressure pipe 11 reduces greatly.And in order take place to stop up the back easy cleaning, need not shut down and just can dredge putty, be respectively arranged with on last negative pressure pipe 10 and the following negative pressure pipe 11 be connected on detachable flexible pipe 12 with under be connected flexible pipe 15.In case only need dismantle when take place stopping up connect flexible pipe 12 with under be connected flexible pipe 15, just can clear up with following negative pressure pipe 11 last negative pressure pipe 10, under non-stop-machine situation, arrange coal and mediation fast, thereby guaranteed production.It is for fear of causing ring balance to claim 6 vibrations in unloading process, influencing its meter and weigh with the purpose that is connected flexible pipe 15 down that connection flexible pipe 12 is set.Therefore described upper and lower connection flexible pipe 12,15 all should be the tube connector that elastomeric material is made, as rubber tube, plastic tube etc.
Be subjected to the component distribution of whole device and the restriction of installation environment, simultaneously also for obtaining best exhausting effect, the bending section pipeline that described main negative pressure pipe 16 links to each other with sack cleaner 2 and the slanted angle of horizontal plane are 5～15 °.
In order to stop up the back easy cleaning at main negative pressure pipe 16, just need not shut down and can dredge putty, install on the described main negative pressure pipe 16 and be provided with detachable nipple 14.In case stop up, only need dismounting nipple 14, just can clear up main negative pressure pipe 16, under non-stop-machine situation, arrange coal and mediation fast.Because the top of main negative pressure pipe 16 need be born the weight of bottom pipeline and be gone up the weight of negative pressure pipe 10 and following negative pressure pipe 11, therefore described dismountable nipple 14 should be the short tube of hard, can adopt metal or rigid plastics is material, can be the flanged (FLGD) structures in two ends, also can be that two ends are bayonet socket or the structure that is threaded.
Except negative pressure line was stopped up easily, sack cleaner 2 and star-like unloading valve 3 also had the possibility that obstruction takes place in the whole blowing device.In order to stop up the back easy cleaning herein, offer access door 18 on the described sack cleaner 2, when taking place to stop up, can open by sack cleaner 2 access door 18 cleaning putties, need not shutdown operation, guarantee to produce unaffected.As shown in Figure 2, described star-like unloading valve 3 both sides are installed and are provided with the winding-up pipe 17 that is used to clean star-like unloading valve 3 inner dusts, and winding-up pipe 17 coal ash of blowing down directly fall in the Pulverized Coal Bin 4.After connecting wind regime for two winding-up pipes 17, regularly purge, the situation of no putty in the star-like unloading valve 3 is taken place, process is very easy, need not shutdown operation, thereby has significantly reduced the time, guarantees to produce unaffected.
Claims (9)
1. the blowing device of a coal preparation system, comprise from top to bottom arranged in series successively Pulverized Coal Bin (4), worm and gear is supplied with machine (5), ring balance claims (6) and vertical locking air-valve (7), the top of described Pulverized Coal Bin (4) links to each other with sack cleaner (2) by star-like unloading valve (3), described vertical locking air-valve (7) bottom links to each other with the coal dust carrier pipe (8) that is provided with hair-dryer (9), described worm and gear is supplied with machine (5) and is claimed the junction of (6) to be provided with negative pressure pipe (10) with ring balance, described ring balance claims (6) and the junction of vertical locking air-valve (7) to be provided with down negative pressure pipe (11), the described negative pressure pipe (10) of going up links to each other with the lower end of main negative pressure pipe (16) respectively with following negative pressure pipe (11), the upper end of described main negative pressure pipe (16) links to each other with sack cleaner (2), it is characterized in that: described main negative pressure pipe (16) is the state of being in tilted layout with the bending section pipeline that sack cleaner (2) links to each other, described go up be respectively arranged with on negative pressure pipe (10) and the following negative pressure pipe (11) be connected on detachable flexible pipe (12) with under be connected flexible pipe (15).
2. the blowing device of coal preparation system according to claim 1 is characterized in that: the bending section pipeline that described main negative pressure pipe (16) links to each other with sack cleaner (2) and the slanted angle of horizontal plane are 5～15 °.
3. the blowing device of coal preparation system according to claim 1 and 2 is characterized in that: the bending section pipeline that described main negative pressure pipe (16) links to each other with sack cleaner (2) is provided with detachable nipple (14).
4. the blowing device of coal preparation system according to claim 1 and 2 is characterized in that: the both sides of described star-like unloading valve (3) are provided with the winding-up pipe (17) that is used to clean the inner dust of star-like unloading valve (3).
5. the blowing device of coal preparation system according to claim 3 is characterized in that: the both sides of described star-like unloading valve (3) are provided with the winding-up pipe (17) that is used to clean the inner dust of star-like unloading valve (3).
6. the blowing device of coal preparation system according to claim 1 and 2 is characterized in that: offer access door (18) on the described sack cleaner (2).
7. the blowing device of coal preparation system according to claim 3 is characterized in that: offer access door (18) on the described sack cleaner (2).
8. the blowing device of coal preparation system according to claim 4 is characterized in that: offer access door (18) on the described sack cleaner (2).
9. the blowing device of coal preparation system according to claim 5 is characterized in that: offer access door (18) on the described sack cleaner (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200681173U CN201225640Y (en) | 2008-06-26 | 2008-06-26 | Blowing apparatus of coal preparing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200681173U CN201225640Y (en) | 2008-06-26 | 2008-06-26 | Blowing apparatus of coal preparing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201225640Y true CN201225640Y (en) | 2009-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200681173U Expired - Fee Related CN201225640Y (en) | 2008-06-26 | 2008-06-26 | Blowing apparatus of coal preparing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201225640Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277808A (en) * | 2013-05-07 | 2013-09-04 | 西安交通大学 | Small-scale industrial boiler coal dust storing and supplying system and control method |
| CN103712226A (en) * | 2013-12-13 | 2014-04-09 | 山西蓝天环保设备有限公司 | Circulatory coal pulverizing system applied to small-and medium-sized pulverized-coal industry boilers |
| CN103712225A (en) * | 2013-12-13 | 2014-04-09 | 山西蓝天环保设备有限公司 | Coal pulverizing system applied to small-and medium-sized pulverized-coal industry boilers |
| CN108342576A (en) * | 2018-02-28 | 2018-07-31 | 武汉工程大学 | Cold rolling chromium-bearing sludge adding apparatus and its treatment process |
| CN109114584A (en) * | 2017-06-24 | 2019-01-01 | 宝钢工程技术集团有限公司 | The double thorax kiln coal injection devices of pneumatic type and its application method |
| CN113479948A (en) * | 2021-07-05 | 2021-10-08 | 国能龙源环保有限公司 | Hardening-preventing quenching and tempering box discharging system and using method |
| CN114642932A (en) * | 2022-03-17 | 2022-06-21 | 沈娟 | Metal processing device |
-
2008
- 2008-06-26 CN CNU2008200681173U patent/CN201225640Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277808A (en) * | 2013-05-07 | 2013-09-04 | 西安交通大学 | Small-scale industrial boiler coal dust storing and supplying system and control method |
| CN103277808B (en) * | 2013-05-07 | 2015-08-05 | 西安交通大学 | A kind of small-sized industrial boiler coal powder storage and supply system and control method |
| CN103712226A (en) * | 2013-12-13 | 2014-04-09 | 山西蓝天环保设备有限公司 | Circulatory coal pulverizing system applied to small-and medium-sized pulverized-coal industry boilers |
| CN103712225A (en) * | 2013-12-13 | 2014-04-09 | 山西蓝天环保设备有限公司 | Coal pulverizing system applied to small-and medium-sized pulverized-coal industry boilers |
| CN109114584A (en) * | 2017-06-24 | 2019-01-01 | 宝钢工程技术集团有限公司 | The double thorax kiln coal injection devices of pneumatic type and its application method |
| CN108342576A (en) * | 2018-02-28 | 2018-07-31 | 武汉工程大学 | Cold rolling chromium-bearing sludge adding apparatus and its treatment process |
| CN113479948A (en) * | 2021-07-05 | 2021-10-08 | 国能龙源环保有限公司 | Hardening-preventing quenching and tempering box discharging system and using method |
| CN113479948B (en) * | 2021-07-05 | 2022-09-30 | 国能龙源环保有限公司 | Hardening-preventing quenching and tempering box discharging system and using method |
| CN114642932A (en) * | 2022-03-17 | 2022-06-21 | 沈娟 | Metal processing device |
| CN114642932B (en) * | 2022-03-17 | 2023-10-03 | 深圳市铭丰庆五金制品有限公司 | Metal processing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 Termination date: 20140626 |
|
| EXPY | Termination of patent right or utility model |