CN206168650U - Novel nozzle clearance device - Google Patents
Novel nozzle clearance device Download PDFInfo
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- CN206168650U CN206168650U CN201621112311.8U CN201621112311U CN206168650U CN 206168650 U CN206168650 U CN 206168650U CN 201621112311 U CN201621112311 U CN 201621112311U CN 206168650 U CN206168650 U CN 206168650U
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- pipe
- negative pressure
- new type
- lengthening
- type nozzle
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Abstract
The utility model discloses a novel nozzle clearance device relates to steel smelting technical field. The device includes vacuum device, reducing connecting pipe, adds the connecting catheters of great wall software, clears up the pipe, wherein, the clearance pipe is the hollow tube, the one end of clearance pipe with the one end that adds the connecting catheters of great wall software is connected, the other end of clearance pipe stretches into the blast tube, and is right the blast tube is cleared up, it is the cavity hose to add the connecting catheters of great wall software, the other end that adds the connecting catheters of great wall software with the one end of reducing connecting pipe is connected, the reducing connecting pipe is hollow structure, the other end of reducing connecting pipe with vacuum device connects, vacuum device is used for making the clearance pipe other end produces the impurity that thereby blockage nozzle was taken out to the negative pressure. The utility model discloses can high -efficiently convenient clear away impurity, quick electricity generation production, the guarantee unit safety steady operation of resumeing.
Description
Technical field
This utility model is related to smelting iron and steel technical field, more particularly to a kind of new type nozzle cleaning plant.
Background technology
In order to realize energy-saving and emission-reduction and increase economic efficiency, many utilization blast furnace gases that started carry out sending out steel industry
Gas steam combined cycle for power generation (abbreviation CCPP) unit of electricity.Wherein there are many Introduced from Japan Mitsubishi technology
M251S types, type unit capacity 50MW, have 8 blast tubes (referring to Fig. 1, internal diameter 12mm) on duty pass through bend pipe on duty with it is on duty
Endless tube flange form connects.When unit starting and attended mode run, nozzle eye (8*6, internal diameter 1.5mm) easily by burnt gas in it is miscellaneous
Matter is uneven, irregular blocking, different by the burnt throughput of 8 nozzles when causing unit to be started shooting next time, temperature after burning
Degree deviation reaches 120 DEG C of chasers.If starting failure, after needing to wait unit temperature to lower, bend pipe on duty is removed, use rustless steel
The homemade hook of welding wire (referring to Fig. 2) and awl are combined with endoscope and nozzle are carried out to block the cleaning of penetrating and impurity.After penetrating
Impurity can remain in the nozzle pipe end of 700mm length, due to nozzle bore narrow and small (12mm), with self-control hook each is cleared up
The impurity operation difficulty of blast tube is big, efficiency is low, time-consuming, and the cleaning of each blast tube impurity needs 10 minutes or so, and right
The less impurity cleaning of granule has residual, is delayed the available machine time.
Utility model content
The purpose of this utility model is to provide a kind of new type nozzle cleaning plant, solves and fired present in prior art
Machine nozzle is cleared up after impurity blocking in blast furnace gas, and difficulty is big, efficiency is low, time-consuming, impurity has the technical problem of residual.
To solve above-mentioned technical problem, this utility model provides following technical scheme：
A kind of new type nozzle cleaning plant, including negative pressure device, reducing connecting tube, lengthening be flexible coupling conduit, cleaning pipe；Its
In,
The cleaning pipe is hollow pipe, and one end of the cleaning pipe is connected with described one end for lengthening the conduit that is flexible coupling, institute
The other end for stating cleaning pipe stretches into blast tube, and the blast tube is cleared up；
The lengthening is flexible coupling conduit for hollow tube, and the be flexible coupling other end of conduit of the lengthening is connected with the reducing
One end connection of pipe；
The reducing connecting tube is hollow structure, and the other end of the reducing connecting tube is connected with the negative pressure device；
The negative pressure device is used to make the cleaning pipe other end produce negative pressure so as to extract the impurity of plug nozzle out.
Further, also include：Protrusion tip, the protrusion tip is connected with the end of the cleaning pipe.
Further, the angle that the protrusion tip is formed with the cleaning tube wall is 120-150 °.
Further, the smaller diameter end connection of the reducing connecting tube is described lengthens the conduit that is flexible coupling, reducing connecting tube
Larger diameter end connects the negative pressure device.
Further, described to lengthen the preferred 6m of catheter length that is flexible coupling, the lengthening is flexible coupling catheter diameter for 14mm, wall
Thick 2.5mm.
Further, it is described cleaning pipe external diameter be 12mm, wall thickness 1.5mm, length 850mm.
Further, the cleaning pipe is metal tube.
Further, the cleaning pipe is specially copper pipe.
Further, the pressure that the negative pressure device is produced is -20~-23KPa.
Further, the negative pressure device is included but is not limited to：Vacuum cleaner or vacuum pump.
One or more technical schemes provided in this utility model embodiment, at least have the following technical effect that or excellent
Point：
1st, the new type nozzle cleaning plant that this utility model embodiment is provided, including negative pressure device, reducing connecting tube, lengthening
Be flexible coupling conduit, cleaning pipe；Wherein, the cleaning pipe is hollow pipe, and one end of the cleaning pipe is flexible coupling with the lengthening and leads
One end connection of pipe, the other end of the cleaning pipe stretches into blast tube, and the blast tube is cleared up；The lengthening is flexible coupling
Conduit is hollow tube, and the be flexible coupling other end of conduit of the lengthening is connected with one end of the reducing connecting tube；The reducing
Connecting tube is hollow structure, and the other end of the reducing connecting tube is connected with the negative pressure device；The negative pressure device is used to make
The cleaning pipe other end produces negative pressure so as to extract the impurity of plug nozzle out.During nozzle clearing, the other end for clearing up pipe is stretched into
The end of blast tube, then pulls out, and the impurity in blast tube is thoroughly removed under negative pressure device effect.Thus, when appearance
When gas steam combined cycle for power generation unit combustion engine nozzle is blocked by impurity in steel plant's output blast furnace gas, without the need for waiting machine
In the case that group pulls down blast tube after cooling down completely, can efficiently convenient removal of contamination, fast quick-recovery generates electricity production, guarantee unit
Safe and stable operation.
2nd, the new type nozzle cleaning plant that this utility model embodiment is provided, protrusion tip can be by the impurity of nozzle inside pipe wall
Strike off, further enhance cleaning effect.
Description of the drawings
Fig. 1 is CCPP units blast tube structural representation on duty；
Fig. 2 is the structural representation for making hook by oneself；
Fig. 3 is the structural representation of the new type nozzle cleaning plant that this utility model embodiment is provided；
Fig. 4 is another structural representation of the new type nozzle cleaning plant that this utility model embodiment is provided.
In figure, 1- negative pressure devices, 2- reducing connecting tubes, 3- lengthens the conduit that is flexible coupling, 4- cleaning pipes, 5- protrusion tips.
Specific embodiment
This utility model embodiment solved and fired present in prior art by providing a kind of new type nozzle cleaning plant
Machine nozzle is cleared up after impurity blocking in blast furnace gas, and difficulty is big, efficiency is low, time-consuming, impurity has the technical problem of residual；Energy
Enough efficiently convenient removals of contamination, fast quick-recovery generates electricity and produces, and ensures unit safety stable operation.
Referring to Fig. 3, this utility model embodiment provides a kind of new type nozzle cleaning plant, including negative pressure device 1, reducing
Connecting tube 2, lengthening be flexible coupling conduit 3, cleaning pipe 4；Wherein,
The cleaning pipe 4 is hollow pipe, and one end of the cleaning pipe 4 is connected with described one end for lengthening the conduit 3 that is flexible coupling,
The other end of the cleaning pipe 4 stretches into blast tube, and the blast tube is cleared up；
The lengthening is flexible coupling conduit 3 for hollow tube, and the lengthening is flexible coupling the other end of conduit 3 and the reducing connects
One end connection of adapter 2；
The reducing connecting tube 2 is hollow structure, and the other end of the reducing connecting tube 2 is connected with the negative pressure device 1；
The negative pressure device 1 is used to make cleaning pipe 4 other end produce negative pressure so as to extract the impurity of plug nozzle out.
Referring to Fig. 4, the nozzle cleaning device that this utility model embodiment is provided also includes：Protrusion tip 5, the projection point
End 5 is connected with the end of the cleaning pipe 4, and the end is the one end for stretching into blast tube.Increasing protrusion tip 5 can be by blast tube
The impurity of inwall strikes off, and further enhances cleaning effect.
Preferably, the angle that the protrusion tip 5 is formed with cleaning pipe 4 tube wall is 120-150 °.Wherein, projection point
The angle that end 5 is formed with cleaning pipe 4 tube wall is too small, it is impossible to touches nozzle pipe end, is unfavorable for the removing of nozzle pipe end impurity；
Angle crosses the active force of conference decrease and nozzle inside pipe wall, is also unfavorable for the removing of impurity.
Referring to Fig. 3 and Fig. 4, in this utility model embodiment, the smaller diameter end of the reducing connecting tube 2 connects the lengthening
Be flexible coupling conduit 3, and the larger diameter end of reducing connecting tube 2 connects the negative pressure device 1.Specifically, reducing connecting tube 2 can use diameter
12mm, length are flexible coupling on negative pressure device 1 after the thin-wall copper pipe reducing more than 850mm.
In this utility model embodiment, the lengthening is flexible coupling the preferred 6m of the length of conduit 3, and the lengthening of 6m length is flexible coupling conduit
3 can ensure that cleaning copper pipe easily into any one in eight nozzles, and the be flexible coupling internal diameter of conduit 3 of the lengthening is
14mm, wall thickness 2.5mm.
In this utility model embodiment, it is described cleaning pipe 4 external diameter be 12mm, wall thickness 1.5mm, length 850mm.
In this utility model embodiment, the cleaning pipe 4 is metal tube, and thin tube wall, low density copper pipe, ferrum may be selected
The metal tubes such as pipe, aluminum pipe, preferred copper pipe.
In this utility model embodiment, the pressure that the negative pressure device 1 is produced is -20~-23KPa, by nozzle
Impurity is suctioned out, and needs to form suitable negative pressure, and negative pressure is too small cannot to be suctioned out impurity, and negative pressure is excessive then unnecessary, and increases energy
Consumption.
Wherein, the negative pressure device 1 is included but is not limited to：Vacuum cleaner or vacuum pump.For example：From power for 1000W's
Vacuum cleaner.
The operation principle of the new type nozzle cleaning plant that this utility model embodiment is provided is as follows：Referring to Fig. 3 and Fig. 4, will
The other end of cleaning pipe 4 is stretched into be needed in cleaned plug nozzle, then slowly to extract out, and cleaning pipe 4 is kept in extraction
The interior lower surface close proximity of end and blast tube skid off blast tube, all connecting portions of cleaning plant ensure sealing
It is reliable, in the case where negative pressure device 1 is acted on, clear up the end of pipe 4 and produce enough negative pressure so as to extract the impurity of plug nozzle out, repeat 2-
Check that whole blast tube is clean with endoscope after 3 times, can thoroughly remove the impurity in blast tube.If impurity is more obstinate,
Cleaning pipe 4 can be used cooperatively when cannot extract out with welding wire awl, first with the penetrating tamper of welding wire awl after, then will with cleaning plant
Its extraction.
One or more technical schemes provided in this utility model embodiment, at least have the following technical effect that or excellent
Point：
1st, the new type nozzle cleaning plant that this utility model embodiment is provided, including negative pressure device, reducing connecting tube, lengthening
Be flexible coupling conduit, cleaning pipe；Wherein, the cleaning pipe is hollow pipe, and one end of the cleaning pipe is flexible coupling with the lengthening and leads
One end connection of pipe, the other end of the cleaning pipe stretches into blast tube, and the blast tube is cleared up；The lengthening is flexible coupling
Conduit is hollow tube, and the be flexible coupling other end of conduit of the lengthening is connected with one end of the reducing connecting tube；The reducing
Connecting tube is hollow structure, and the other end of the reducing connecting tube is connected with the negative pressure device；The negative pressure device is used to make
The cleaning pipe other end produces negative pressure so as to extract the impurity of plug nozzle out.During nozzle clearing, the other end of the cleaning pipe
The end of blast tube is stretched into, is then pulled out, the impurity in blast tube is thoroughly removed under negative pressure device effect.Thus, working as
When gas steam combined cycle for power generation unit combustion engine nozzle occur and being blocked by impurity in steel plant's output blast furnace gas, need not
In the case that after cooling down completely Deng unit is pulled down blast tube, can efficiently convenient removal of contamination, fast quick-recovery generates electricity production, ensures
Unit safety stable operation.
2nd, the new type nozzle cleaning plant that this utility model embodiment is provided, protrusion tip can be by the impurity of nozzle inside pipe wall
Strike off, further enhance cleaning effect.
It should be noted last that, above specific embodiment is only to illustrate the technical solution of the utility model rather than limit
System, although being described in detail to this utility model with reference to example, it will be understood by those within the art that, can be right
The technical solution of the utility model is modified or equivalent, without deviating from the spirit and model of technical solutions of the utility model
Enclose, it all should cover in the middle of right of the present utility model.
Claims (10)
1. a kind of new type nozzle cleaning plant, it is characterised in that including negative pressure device, reducing connecting tube, lengthening be flexible coupling conduit,
Cleaning pipe；Wherein,
The cleaning pipe is hollow pipe, and one end of the cleaning pipe is connected with described one end for lengthening the conduit that is flexible coupling, described clear
The other end of reason pipe stretches into blast tube, and the blast tube is cleared up；
The lengthening is flexible coupling conduit for hollow tube, and the lengthening is flexible coupling the other end and the reducing connecting tube of conduit
One end connects；
The reducing connecting tube is hollow structure, and the other end of the reducing connecting tube is connected with the negative pressure device；
The negative pressure device is used to make the cleaning pipe other end produce negative pressure so as to extract the impurity of plug nozzle out.
2. new type nozzle cleaning plant as claimed in claim 1, it is characterised in that also include：Protrusion tip, the projection point
Hold and be connected with the end of the cleaning pipe.
3. new type nozzle cleaning plant as claimed in claim 2, it is characterised in that the protrusion tip and the cleaning pipe pipe
The angle that wall is formed is 120-150 °.
4. new type nozzle cleaning plant as claimed in claim 1, it is characterised in that the smaller diameter end of the reducing connecting tube connects
Connect the lengthening to be flexible coupling conduit, the larger diameter end of reducing connecting tube connects the negative pressure device.
5. new type nozzle cleaning plant as claimed in claim 1, it is characterised in that the lengthening catheter length that is flexible coupling is preferred
6m, the lengthening is flexible coupling catheter diameter for 14mm, wall thickness 2.5mm.
6. new type nozzle cleaning plant as claimed in claim 1 or 2, it is characterised in that the external diameter of the cleaning pipe is 12mm,
Wall thickness 1.5mm, length 850mm.
7. new type nozzle cleaning plant as claimed in claim 6, it is characterised in that the cleaning pipe is metal tube.
8. new type nozzle cleaning plant as claimed in claim 7, it is characterised in that the cleaning pipe is specially copper pipe.
9. new type nozzle cleaning plant as claimed in claim 1, it is characterised in that the pressure that the negative pressure device is produced for-
20~-23KPa.
10. the new type nozzle cleaning plant as described in claim 1 or 9, it is characterised in that the negative pressure device includes but do not limit
In：Vacuum cleaner or vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621112311.8U CN206168650U (en) | 2016-10-11 | 2016-10-11 | Novel nozzle clearance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621112311.8U CN206168650U (en) | 2016-10-11 | 2016-10-11 | Novel nozzle clearance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206168650U true CN206168650U (en) | 2017-05-17 |
Family
ID=58678430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621112311.8U Active CN206168650U (en) | 2016-10-11 | 2016-10-11 | Novel nozzle clearance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206168650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575933A (en) * | 2019-09-19 | 2019-12-17 | 广东工业大学 | Needle tube blockage clearing device and blockage clearing method thereof |
-
2016
- 2016-10-11 CN CN201621112311.8U patent/CN206168650U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575933A (en) * | 2019-09-19 | 2019-12-17 | 广东工业大学 | Needle tube blockage clearing device and blockage clearing method thereof |
| CN110575933B (en) * | 2019-09-19 | 2021-11-26 | 广东工业大学 | Needle tube blockage clearing device and blockage clearing method thereof |
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