CN207537470U - Online coal dust interaction charging blowing device - Google Patents
Online coal dust interaction charging blowing device Download PDFInfo
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- CN207537470U CN207537470U CN201721508613.1U CN201721508613U CN207537470U CN 207537470 U CN207537470 U CN 207537470U CN 201721508613 U CN201721508613 U CN 201721508613U CN 207537470 U CN207537470 U CN 207537470U
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- pipe
- pipeline
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- back powder
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Abstract
The utility model is related to ironmaking technology field more particularly to a kind of online coal dust interaction charging blowing devices.The two is connect equipped with left cross pipeline with No. 2 back powder pipe ports of export in No. 1 back powder pipe, connect the two equipped with right cross pipeline with No. 4 back powder pipe ports of export in No. 3 back powder pipes；Secondary air compensating pipeline is installed in 4 back powder pipe outlets respectively, stop valve is installed on output pipe 1 and output pipe 2.Pipeline offer coal delay powder particles delivery power is supplemented by increasing nitrogen at one at former secondary air compensating pipeline, intersect tube valve by newly increasing fine powder tank, manually operate related valve to realize the operation that 2 blast furnace coal pulverizer injection system fine powder tanks are blown out to the interaction of 1 blast furnace blowing piping powder retrieving pipe.It on the basis of former blowing process Automated Design can not be changed, realizes that No. 2 blast furnace coal pulverizer injection system powder cabins are sent into the extra powder pressurization by No. 1 injecting tank of blast furnace, realize that production capacity is intersected, realizes that online coal dust interaction charging blowing process improves.
Description
Technical field
The utility model is related to ironmaking technology field more particularly to a kind of online coal dust interaction charging blowing devices.
Background technology
As shown in Figure 1, existing ironmaking breeze blowing is made of mostly two sets of independent coal pulverizer injection systems, it is right respectively
No. 1 blast furnace and No. 2 blast furnaces are answered, often set system is individually designed 2 sets of injection tanks, 2 injection tank alternate blowings, non-interruptible supply height
The burning of stove air port provides and adjusts blast furnace heat.Due to not considering 2 sets of coal pulverizer injection system powder ability cross complementaries
Characteristic, often one system of appearance is completely expected, a system power production capacity is insufficient, underproduction trying situation to be expected.It is fired according to coal dust
Burn has plate with flow behavior and its physical features, the immobilising remaining high temperature coal dust being trapped in for a long time in injection tank and pipeline
Knot, volume compression oxidation and spontaneous combustion and explosion danger.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of online coal dust interaction charging injection dress
It puts.Realize that No. 2 blast furnace coal pulverizer injection system powder cabins are sent into the extra powder pressurization by No. 1 injecting tank of blast furnace, realize that production capacity is intersected,
Realize that online coal dust interaction charging blowing process improves.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of online coal dust interaction charging blowing device, including No. 1 pulverized coal bin, No. 2 pulverized coal bins, No. 1 injection tank, No. 2 sprays
Tank, No. 3 injection tanks, No. 4 injection tanks are blown, No. 1 injection tank outlet at the top of No. 1 back powder pipe and No. 1 pulverized coal bin by connecting, No. 2 sprays
Tank outlet is blown by being connect at the top of No. 2 back powder pipes and No. 1 pulverized coal bin, and No. 3 injection tank outlets pass through No. 3 back powder pipes and No. 2 coal dusts
The top of the warehouse connects, and by being connect at the top of No. 4 back powder pipes and No. 2 pulverized coal bins, No. 1 pulverized coal bin outlet passes through pipe for No. 4 injection tank outlets
Road is connect with No. 1 injection tank and No. 2 injection tanks, and No. 2 pulverized coal bin outlets are connect by pipeline with No. 3 injection tanks and No. 4 injection tanks,
No. 1 injection tank is connect with No. 2 injection tank outlets by output pipe 1 with No. 1 blast furnace, and No. 3 injection tanks and No. 4 injection tank outlets are logical
Output pipe 2 is crossed to connect with No. 2 blast furnaces.
The two is connect by No. 1 back powder pipe with No. 2 back powder pipe ports of export equipped with left cross pipeline, No. 3 back powder pipes
The two is connect equipped with right cross pipeline with No. 4 back powder pipe ports of export；No. 1 pulverized coal bin and No. 2 pulverized coal bins tops and each back powder
Tube inlet passes through connecting tube unicom；Secondary air compensating pipeline is installed in 4 back powder pipe outlets respectively, in output pipe 1 and output
Stop valve is installed on pipeline 2.
The secondary air compensating pipeline left and right ends are equipped with stop valve.
The elevation angle≤5 ° of the back powder pipeline.
Compared with prior art, the beneficial effects of the utility model are：
The utility model supplements pipeline offer coal delay powder particles by increasing nitrogen at one at former secondary air compensating pipeline
Power is delivered, intersects tube valve by newly increasing fine powder tank, manually operates related valve to realize with No. 1 blast furnace blowing piping
Powder retrieving pipe interacts the operation for being blown out to No. 2 blast furnace coal pulverizer injection system fine powder tanks.Former blowing process can not be changed to set automatically
On the basis of meter, realize that No. 2 blast furnace coal pulverizer injection system powder cabins are sent into the extra powder pressurization by No. 1 injecting tank of blast furnace, are realized
Production capacity is intersected, and realizes that online coal dust interaction charging blowing process improves.
Description of the drawings
Fig. 1 is injection system structural representation and process principle figure；
Fig. 2 is the utility model structural representation and process principle figure.
In figure：Bis- benefits of the right cross pipeline 3- secondary air compensatings pipeline 4- secondary air compensatings pipeline left end 5- of the left cross pipeline 2- of 1-
Feed channel right end 6- stop valve 7- connecting tubes
Specific embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
As shown in Fig. 2, a kind of online coal dust interaction charging blowing device, including No. 1 pulverized coal bin, No. 2 pulverized coal bins, No. 1 spray
Tank, No. 2 injection tanks, No. 3 injection tanks, No. 4 injection tanks are blown, No. 1 injection tank outlet passes through No. 1 back powder pipe and No. 1 pulverized coal bin top
Connection, by being connect at the top of No. 2 back powder pipes and No. 1 pulverized coal bin, No. 3 injection tank outlets pass through No. 3 back powder pipes for No. 2 injection tank outlets
It is connect at the top of No. 2 pulverized coal bins, by being connect at the top of No. 4 back powder pipes and No. 2 pulverized coal bins, No. 1 pulverized coal bin goes out for No. 4 injection tank outlets
Mouth is connect by pipeline with No. 1 injection tank and No. 2 injection tanks, and No. 2 pulverized coal bins outlets pass through pipeline and No. 3 injection tanks and No. 4 sprays
Tank connection is blown, No. 1 injection tank is connect with No. 2 injection tank outlets by output pipe 1 with No. 1 blast furnace, No. 3 injection tanks and No. 4 sprays
Tank outlet is blown to connect with No. 2 blast furnaces by output pipe 2.
The two is connect by No. 1 back powder pipe with No. 2 back powder pipe ports of export equipped with left cross pipeline 1, No. 3 back powder pipes
The two is connect equipped with right cross pipeline 2 with No. 4 back powder pipe ports of export；Secondary air compensating is installed in 4 back powder pipe outlets respectively
Pipeline 3 installs stop valve 6 on output pipe 1 and output pipe 2.The secondary air compensating pipeline left end equal 4 and secondary air compensating pipe
Road right end 5 is equipped with stop valve 6.The elevation angle≤5 ° of the back powder pipeline.No. 1 pulverized coal bin and No. 2 pulverized coal bins tops and each back powder
Tube inlet passes through 7 unicom of connecting tube.
The utility model supplements pipeline offer coal delay powder particles by increasing nitrogen at one at former secondary air compensating pipeline
Power is delivered, intersects tube valve by newly increasing fine powder tank, manually operates related valve to realize with No. 1 blast furnace blowing piping
Powder retrieving pipe interacts the operation for being blown out to No. 2 blast furnace coal pulverizer injection system fine powder tanks.Former blowing process can not be changed to set automatically
On the basis of meter, realize and 2# blast furnace coal pulverizer injection system powder cabins are sent into the extra powder pressurization of 1 injecting tank of blast furnace, realize production capacity
Intersect, realize that online coal dust interaction charging blowing process improves.
The preferable specific embodiment of the above, only the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, according to this practicality
Novel technical solution and its design is subject to equivalent substitution or change, should be covered within the scope of the utility model.
Method therefor is conventional method unless otherwise instructed in above-described embodiment.
Claims (3)
1. a kind of online coal dust interaction charging blowing device, including No. 1 pulverized coal bin, No. 2 pulverized coal bins, No. 1 injection tank, No. 2 injections
Tank, No. 3 injection tanks, No. 4 injection tanks, it is characterised in that：No. 1 injection tank outlet passes through No. 1 back powder pipe and No. 1 coal dust silo roof
Portion connects, and by being connect at the top of No. 2 back powder pipes and No. 1 pulverized coal bin, No. 3 injection tank outlets pass through No. 3 back powders for No. 2 injection tank outlets
It is connect at the top of pipe and No. 2 pulverized coal bins, No. 4 injection tank outlets at the top of No. 4 back powder pipes and No. 2 pulverized coal bins by connecting, No. 1 pulverized coal bin
Outlet is connect by pipeline with No. 1 injection tank and No. 2 injection tanks, and No. 2 pulverized coal bin outlets pass through pipeline and No. 3 injection tanks and No. 4
Injection tank connects, and No. 1 injection tank is connect with the outlet of No. 2 injection tanks by output pipe 1 with No. 1 blast furnace, No. 3 injection tanks and No. 4
Injection tank outlet is connect by output pipe 2 with No. 2 blast furnaces；
The two is connect by No. 1 back powder pipe with No. 2 back powder pipe ports of export equipped with left cross pipeline, No. 3 back powder pipes and No. 4
The back powder pipe port of export connects the two equipped with right cross pipeline；No. 1 pulverized coal bin and No. 2 pulverized coal bins tops and each back powder tube inlet
Pass through connecting tube unicom；Secondary air compensating pipeline is installed in 4 back powder pipe outlets respectively, on output pipe 1 and output pipe 2
Stop valve is installed.
2. a kind of online coal dust interaction charging blowing device according to claim 1, it is characterised in that：The secondary air compensating
Pipeline left and right ends are equipped with stop valve.
3. a kind of online coal dust interaction charging blowing device according to claim 1, it is characterised in that：The back powder pipeline
The elevation angle≤5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721508613.1U CN207537470U (en) | 2017-11-13 | 2017-11-13 | Online coal dust interaction charging blowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721508613.1U CN207537470U (en) | 2017-11-13 | 2017-11-13 | Online coal dust interaction charging blowing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207537470U true CN207537470U (en) | 2018-06-26 |
Family
ID=62613108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721508613.1U Active CN207537470U (en) | 2017-11-13 | 2017-11-13 | Online coal dust interaction charging blowing device |
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| Country | Link |
|---|---|
| CN (1) | CN207537470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114959136A (en) * | 2022-07-08 | 2022-08-30 | 重庆钢铁股份有限公司 | Device and method for preventing coal dust from hardening |
-
2017
- 2017-11-13 CN CN201721508613.1U patent/CN207537470U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114959136A (en) * | 2022-07-08 | 2022-08-30 | 重庆钢铁股份有限公司 | Device and method for preventing coal dust from hardening |
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