CN208136273U - Blowback coke enters furnace apparatus - Google Patents
Blowback coke enters furnace apparatus Download PDFInfo
- Publication number
- CN208136273U CN208136273U CN201820283551.7U CN201820283551U CN208136273U CN 208136273 U CN208136273 U CN 208136273U CN 201820283551 U CN201820283551 U CN 201820283551U CN 208136273 U CN208136273 U CN 208136273U
- Authority
- CN
- China
- Prior art keywords
- blowback
- branch pipe
- pipeline
- coal
- coke
- 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.)
- Expired - Fee Related
Links
- 239000000571 coke Substances 0.000 title claims abstract description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000003245 coal Substances 0.000 claims abstract description 54
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 35
- 238000005507 spraying Methods 0.000 claims abstract description 28
- 230000000007 visual effect Effects 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 20
- 239000007924 injection Substances 0.000 claims abstract description 20
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000002817 coal dust Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000007664 blowing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 239000002802 bituminous coal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Abstract
Blowback coke enters furnace apparatus, it includes coal powder injection distributor, coal spraying pipeline, blowpipe and nitrogen pipeline, the coal powder injection distributor passes through coal spraying pipeline connecting bend, one end of the air inlet of the blowpipe connects bustle pipe by elbow, the elbow is provided with visual pipeline with respect to the position of the air inlet of blowpipe, it further include tee tube and blowback component, the tee tube is separately connected nitrogen pipeline, coal spraying pipeline and blowback component, and the blowback component connects visual pipeline.Blowback coke provided by the utility model enters furnace apparatus, nitrogen pipeline passes through tee tube conversion connection blowback component, as the pressure of nitrogen pipeline constantly increases, the coke in visual pipeline is blown into furnace by the nitrogen of blowback component, it is easy to operate that the blowback coke enters furnace apparatus, it can reduce risk of the operator when carrying out blowback coke and entering furnace, improve working efficiency.
Description
Technical field
The utility model relates to a kind of blast furnace process ancillary equipment, especially a kind of blowback coke enters furnace apparatus, belongs to neck
Domain technical field of blast furnace process.
Background technique
Modern blast furnace smelting provides the heat that smelting process needs with coke, and pulverized coal injection in blast furnace is from blast-furnace tuyere to furnace
The mixed coal powder of anchracite duff or bituminous coal powder or the two that interior blowing is levigate plays offer heat and goes back to substitute part of coke
The effect of former agent reduces pig iron cost to reduce coke ratio, it is the important technical revolution that modern blast furnace is smelted.
Currently, pulverized coal injection in blast furnace technique is by being blown into coal dust in furnace by blowpipe with the nitrogen of pressure, but in reality
In the production of border, the coke in furnace is influenced the visual pipeline that can enter blowpipe end by blast furnace internal differential pressure, influences blast furnace behaviour
Observation of the author to working condition, when previous processing, needed 2-3 people to work in coordination operation, the peep-hole of opening blowpipe end,
It connects high-pressure blast and blowback is carried out to the coke that is deposited in visual pipeline, when blowback easily causes since inside and outside differential pressure is larger to leakage
Wind causes the generation of personnel safety accident and equipment breakdown.
Utility model content
The purpose of this utility model is to provide a kind of blowback coke to enter furnace apparatus, and the device is easy to operate, can reduce
Risk of the operator when carrying out blowback coke and entering furnace, improves working efficiency sheet.
A kind of blowback coke enters furnace apparatus, it includes coal powder injection distributor, coal spraying pipeline, blowpipe and nitrogen pipeline, the spray
For coal distributor by coal spraying pipeline connecting bend, one end of the air inlet of the blowpipe connects bustle pipe by elbow, described
Elbow is provided with visual pipeline with respect to the position of the air inlet of blowpipe, further includes tee tube and blowback component, the tee tube point
Not Lian Jie nitrogen pipeline, coal spraying pipeline and blowback component, the blowback component connects visual pipeline.
Above-mentioned blowback coke enters furnace apparatus, and the blowback component is four-way pipe structure, including the first branch pipe, the second branch pipe,
Third branch pipe and the 4th branch pipe, first branch pipe are fixedly connected with visual pipeline by locking nut, and second branch pipe passes through
Quick coupling connects tee tube, and the end of the third branch pipe is provided with the end cap of prying through with peep-hole, the 4th branch pipe
End be provided with drain tap, each branch pipe of the blowback component of four-way structure installs different device, plays its different efficacies.
Above-mentioned blowback coke enters furnace apparatus, and the tee tube includes for connecting the 5th branch pipe of nitrogen pipeline, for connecting
The 6th branch pipe of coal spraying pipeline and the 7th branch pipe for connecting blowback component are connect, is provided with the second ball valve on the 5th branch pipe, the
It is provided with third ball valve on six branch pipes, the 4th ball valve is provided on the 7th branch pipe, each valve on tee tube is for controlling nitrogen
The flow direction of nitrogen in pipeline.
Above-mentioned blowback coke enters furnace apparatus, and high-temperature ball valve, high temperature ball are provided between the visual pipeline and the 7th branch pipe
Valve prevents it from being toasted by long term high temperature for protecting blowback component.
Above-mentioned blowback coke enters furnace apparatus, and the first ball valve is provided on the coal spraying pipeline, and the first ball valve is arranged in coal powder injection
Between distributor and tee tube, the first ball valve is used to control the on-off of coal powder injection distributor and blowpipe.
The beneficial effects of the utility model are：
The utility model blowback coke, which enters furnace apparatus and generates levigate coal dust by coal powder injection distributor, enters coal spraying pipeline, passes through
The nitrogen that nitrogen pipeline provides drives the coal dust in coal spraying pipeline to enter elbow, and bustle pipe is blown hot wind by blowpipe by elbow
Enter in blast furnace, while the coal dust in elbow being driven to enter in blast furnace, when coke enters blowpipe end due to pressure drop in furnace in furnace
When visual pipeline, nitrogen pipeline is passed through by tee tube conversion connection blowback component as the pressure of nitrogen pipeline constantly increases
Coke in visual pipeline is blown into furnace by the nitrogen of blowback component, and it is easy to operate which enters furnace apparatus, can reduce
Risk of the operator when carrying out blowback coke and entering furnace, improves working efficiency.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the blowback component of the utility model；
Fig. 3 is the structural schematic diagram of the tee tube of the utility model.
Each list of reference numerals is in figure：1, coal powder injection distributor, 2, coal spraying pipeline, the 21, first ball valve, 3, blowpipe, 31, high temperature ball
Valve, 4, nitrogen pipeline, 5, tee tube, the 51, the 5th branch pipe, the 511, second ball valve, the 52, the 6th branch pipe, 521, third ball valve, 53,
7th branch pipe, the 531, the 4th ball valve, 6, blowback component, the 61, first branch pipe, 611, locking nut, the 62, second branch pipe, 621, fast
Quick coupling, 63, third branch pipe, 631, pry through end cap, 6311, peep-hole, the 64, the 4th branch pipe, 641, drain tap, 7, elbow,
71, visual pipeline, 8, bustle pipe.
Specific embodiment
Also referring to Fig. 1 to Fig. 3, furnace apparatus now is entered to blowback coke provided by the utility model and is illustrated.It is described
Blowback coke enters furnace apparatus, including coal powder injection distributor 1, coal spraying pipeline 2, blowpipe 3, nitrogen pipeline 4, tee tube 5, blowback component 6,
Elbow 7 and bustle pipe 8, blowpipe 3 run through the furnace wall of blast furnace, and the air outlet of blowpipe 3 is located inside furnace wall, the air outlet of blowpipe 3
Outside furnace wall, one end of the air inlet of blowpipe 3 connects bustle pipe 8, air inlet of the elbow 7 with respect to blowpipe 3 by elbow 7
Position be provided with visual pipeline 71, coal powder injection distributor 1 is fixedly connected with one end of coal spraying pipeline 2, and the other end of coal spraying pipeline 2 connects
Elbow 7 is connect, the first ball valve 21 for opening and closing coal spraying pipeline 2 is additionally provided on coal spraying pipeline 2, when blast furnace needs to carry out
When coal powder injection is handled, nitrogen pipeline 4 connects coal spraying pipeline 2 by the branch pipe of tee tube 5, and the nitrogen in nitrogen pipeline 4 enters coal powder injection
Pipeline 2, so that the coal dust in coal blending distributor 1 be driven to enter elbow 7 by coal spraying pipeline 2, bustle pipe 8 will by elbow 7
Hot wind is blown into blast furnace by blowpipe 3, while the coal dust in elbow 7 being driven to enter in blast furnace, due to being influenced by pressure drop in furnace, portion
The visual pipeline 71 for dividing coke to enter elbow 7, will affect observation of the operator to working condition, at this point, nitrogen pipeline 4 passes through three
Siphunculus 5 connects blowback component 6, and blowback component 6 connects visual pipeline 71 by high-temperature ball valve 31, and high-temperature ball valve 31 is arranged in blowback
Between component 6 and visually pipeline 7, high-temperature ball valve 31 needs certain performance resistant to high temperature.
With further reference to Fig. 2, blowback component 6 is four-way pipe structure, including the first branch pipe 61, the second branch pipe 62, third
Branch pipe 63 and the 4th branch pipe 64 are in 90 ° of angles between adjacent branch pipe, and the open end of the first branch pipe 61 is fixedly installed locking nut
611, the first branch pipe 61 is by being threadedly coupled visual pipeline 71 on locking nut 611；The open end of second branch pipe 62 is provided with fastly
Quick coupling 621, the second branch pipe 62 are connected on tee tube 5 by quick coupling 621；The open end of third branch pipe 63, which is provided with, to be peeped
It depending on end cap 631, pries through and is equipped with peep-hole 6311 among end cap 631, peep-hole 6311, which embeds, resistant to high temperature pries through lens, operator
Member passes through the situation of third branch pipe 63 and the first branch pipe 61 observation elbow 7, the open end setting of the 4th branch pipe 64 by prying through lens
There is drain tap 641, after blowback component 6 completes reverse blowing disposal, opens drain tap 641 as the decompression of blowback component 6.
With further reference to Fig. 3, tee tube 5 includes the 5th branch pipe 51, the 6th branch pipe 52 and the 7th branch pipe 53, the 5th branch pipe
51 and the 6th branch pipe 52 be same axis, the 7th branch pipe 53 is vertically arranged with the 5th branch pipe 51 and the 6th branch pipe 52 respectively, the 5th
It is provided with the second ball valve 511 for being connected to and closing nitrogen pipeline 4 on branch pipe 51, is provided on the 6th branch pipe 52 for being connected to
With the third ball valve 521 for closing coal spraying pipeline 2, the 4th for being connected to and closing the second branch pipe 62 is provided on the 7th branch pipe 53
Ball valve 531.
The use process of the utility model is：
Coal powder injection distributor 1 processes the mixed coal powder of anchracite duff or bituminous coal powder or the two, into coal spraying pipeline 2, is needing
When blowing coal into furnace, the first ball valve 21 is opened, opens the second ball valve 511 on the 5th branch pipe 51, is opened on the 6th branch pipe 52
Third ball valve 521, close the 7th branch pipe 53 on the 4th ball valve 531, thus make nitrogen pipeline 4 be connected to coal spraying pipeline 2, nitrogen
Enter coal spraying pipeline 2 by nitrogen pipeline 4, and then nitrogen drives the coal dust in coal spraying pipeline 2 to enter elbow 7, bustle pipe 8 to
Blowing hot-air in elbow, hot wind drive the coal dust in elbow 7 to enter in furnace by blowpipe 3, realize pulverized coal injection operation；Due in furnace
Coke the visual pipeline that can enter 7 end of elbow by blowpipe 3, the person couple that influences blast furnace operating are influenced by blast furnace internal differential pressure
The observation of working condition needs to carry out reverse blowing disposal, closes the first ball valve 21, opens the second ball valve 511 on the 5th branch pipe 51,
The third ball valve 521 on the 6th branch pipe 52 is closed, the 4th ball valve 531 on the 7th branch pipe 53 is opened, opens high-temperature ball valve 31, from
And make nitrogen pipeline 4 by the second branch pipe 62 of the 7th branch pipe 53 connection blowback component 6 of tee tube 5, then by blowback component 6
First branch pipe 61 enters visual pipeline 71, and nitrogen carries out blowback to the coke being detained in visual pipeline 71, when the blowback pressure of nitrogen
Power can blow into coke in furnace when being greater than 2-3 pressure in furnace, complete coke blowback operation；After reverse blowing disposal to be done, close
The 4th ball valve 531 on the 7th branch pipe 53 is closed, high-temperature ball valve 31 is closed, opens simultaneously drain tap 641, discharges blowback component 6
Interior pressure nitrogen gas.
Coal blending distributor 1 is equipped with multiple coal powder injection holes, and coal dust can be uniformly distributed, and nitrogen pipeline 4 is annular setting, nitrogen
Circumference is equipped with multiple gas vents on pipeline 4, and exhaust hole number matches with coal powder injection hole number.
Claims (5)
1. blowback coke enters furnace apparatus, it includes coal powder injection distributor (1), coal spraying pipeline (2), blowpipe (3) and nitrogen pipeline (4),
For the coal powder injection distributor (1) by coal spraying pipeline (2) connecting bend (7), one end of the air inlet of the blowpipe (3) passes through elbow
(7) bustle pipe (8) being connected, the elbow (7) is provided with visual pipeline (71) with respect to the position of the air inlet of blowpipe (3),
It is characterized in, further includes tee tube (5) and blowback component (6), the tee tube (5) is separately connected nitrogen pipeline (4), coal spraying pipeline
(2) and blowback component (6), the blowback component (6) connect visual pipeline (71).
2. blowback coke according to claim 1 enters furnace apparatus, characterized in that the blowback component (6) is four-way pipe knot
Structure, including the first branch pipe (61), the second branch pipe (62), third branch pipe (63) and the 4th branch pipe (64), first branch pipe (61)
It is fixedly connected visual pipeline (71) by locking nut (611), second branch pipe (62) passes through quick coupling (621) connection three
Siphunculus (5), the end of the third branch pipe (63) are provided with prying through end cap (631) with peep-hole (6311), and the described 4th
The end of branch pipe (64) is provided with drain tap (641).
3. blowback coke according to claim 1 enters furnace apparatus, characterized in that the tee tube (5) includes for connecting
5th branch pipe (51) of nitrogen pipeline (4), the 6th branch pipe (52) for connecting coal spraying pipeline (2) and for connecting blowback component
(6) the 7th branch pipe (53) is provided with the second ball valve (511) on the 5th branch pipe (51), is provided with third on the 6th branch pipe (52)
Ball valve (521) is provided with the 4th ball valve (531) on the 7th branch pipe (53).
4. blowback coke according to claim 1 enters furnace apparatus, characterized in that the visual blowpipe (3) and the 7th branch pipe
(53) high-temperature ball valve (31) are provided between.
5. blowback coke according to claim 4 enters furnace apparatus, characterized in that be provided on the coal spraying pipeline (2)
One ball valve (21), the first ball valve (21) are arranged between coal powder injection distributor (1) and tee tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820283551.7U CN208136273U (en) | 2018-02-28 | 2018-02-28 | Blowback coke enters furnace apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820283551.7U CN208136273U (en) | 2018-02-28 | 2018-02-28 | Blowback coke enters furnace apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208136273U true CN208136273U (en) | 2018-11-23 |
Family
ID=64286377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820283551.7U Expired - Fee Related CN208136273U (en) | 2018-02-28 | 2018-02-28 | Blowback coke enters furnace apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208136273U (en) |
-
2018
- 2018-02-28 CN CN201820283551.7U patent/CN208136273U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |