CN202576457U - Blast furnace cooling stick - Google Patents
Blast furnace cooling stick Download PDFInfo
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- CN202576457U CN202576457U CN 201220134005 CN201220134005U CN202576457U CN 202576457 U CN202576457 U CN 202576457U CN 201220134005 CN201220134005 CN 201220134005 CN 201220134005 U CN201220134005 U CN 201220134005U CN 202576457 U CN202576457 U CN 202576457U
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- dividing plate
- blast furnace
- furnace cooling
- water
- cooling stick
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Abstract
The utility model relates to a blast furnace cooling stick, which comprises a body, wherein the body comprises a hollow front barrel body and a hollow back barrel body which are butted and welded; the front barrel body is a pure copper cast pipe fitting and a metal wear-resisting layer covers on the front end surface of the front barrel body; the back barrel body is a seamless steel tube; butt welds of the front barrel body and the back barrel body are positioned at the middle back end of the body; a front end cover is arranged at a front port of the body, and a back end cover is arranged at a back port of the body; a water inlet pipe, a water outlet pipe, a flange plate and a grouting flange plate with a grout pipe are fixedly connected with the body; the water inlet pipe is communicated with an inner cavity of the body through a water inlet arranged on the back end cover; the water outlet pipe is communicated with the inner cavity of the body through a water outlet arranged on the side wall of the back barrel body; a baffle is arranged in the inner cavity of the body, and partitions the inner cavity space into a water passage; and the water passage straightly leads to the front end of the body from the water inlet, and then leads to the back end of the body and to the water outlet spirally along the inner wall of the body. The blast furnace cooling stick has long service life, low manufacturing cost and good cooling effect.
Description
Technical field
The utility model relates to a kind of metallurgical industry blast furnace air supply system parts, relates in particular to a kind of blast furnace cooling stick.
Background technology
Blast furnace is an airtight HTHP smelting vessel, and body of heater is equipped with cooling stave, in case cooling stave damage, the high temperature in its stove easily furnace shell burn red, hardening crack even burn, influence blast furnace and keeps the safety in production.After blast furnace cooling stave damages, taked water spray refrigerative method in the past, safeguarded cooling in the furnace shell outside; Because the water spray cooling causes the about excessive temperature differentials of furnace shell in the furnace shell outside; Very easily cause fatigue damage, therefore, water spray refrigerative method is merely able to use at short notice in the furnace shell outside; Time has been grown and still can cause shell deformation, cracking even burn, and influences safety and production and economic benefit.
For improving the work-ing life of blast furnace, present way generally is perforate on blast furnace cooling stave, the fine copper cooling stick is installed to recover to damage the function of cooling stave.As everyone knows, general its purity of fine copper is more than 99%, though heat conductivility is good than steel; But its intensity and shock resistance and wear resistance are all not as steel, so blast furnace is in service normally, washing away of furnace charge and air-flow is easy to make copper-bar cooler damaged; When collapsing situation such as material and slag crust big area come off in the blast furnace; The enormous impact power that moment produces makes copper-bar cooler distortion fracture damage more easily, and therefore, the work-ing life of fine copper cooling stick is lower; Reduced the work-ing life of blast furnace, and the price of copper is more than high times of steel; In addition, existing copper-bar cooler has the dead angle because internal structure is unreasonable; The resistance of water is big, and water cycle was not smooth after water coolant got into from back cavity, can not directly be discharged to front end; Can not heat in time be derived, cause cooling performance poor, copper-bar cooler is also easily by scaling loss.
The utility model content
In order to overcome the defective of above-mentioned prior art, the technical problem that the utility model mainly solves provides a kind of work-ing life that can improve cooling stick, can reduce the copper material usage quantity in a large number again, reduces manufacturing cost greatly, and the blast furnace cooling stick of good cooling results.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of blast furnace cooling stick comprises body, and said body is welded to form by the preceding cylindrical shell of hollow and the rear cylinder body butt joint of hollow; Cylindrical shell is a fine copper cast tube spare before said; Be covered with the alloy wear-resisting layer on the front end face of preceding cylindrical shell, said rear cylinder body is a weldless steel tube, and the butt weld of said preceding cylindrical shell and rear cylinder body is arranged in the rear end of body; The front port of said body is provided with front end end cover; The rear port of said body is provided with rear end cap, is fixed with the grouting ring flange of water inlet pipe, rising pipe, ring flange and band grout pipe on the said body, and said water inlet pipe communicates with the inner chamber of body through the water-in of offering on the rear end cap; The water outlet of offering on the sidewall of said rising pipe through rear cylinder body communicates with the inner chamber of body; The inner chamber of said body is provided with dividing plate, and said dividing plate is divided into one with intracavity space and crosses aquaporin, and the said aquaporin of crossing leads to the rear end of body and passes to water outlet along the spiral inner wall formula of body again from the front end that water-in elder generation straight line leads to body.
Wherein, Said dividing plate comprises first dividing plate and second partition, and said first dividing plate is hollow tube-shape, and first dividing plate is along the axial setting of body; The open rearward end of first dividing plate is connected on the inner body wall of said water-in periphery; The front opening of first dividing plate is near said front end end cover, and said second partition is around on the outside surface that is arranged on said first dividing plate, and second partition extends to the rear end of second partition from the axial screw of the front end edge body of first dividing plate.
Wherein, said second partition extends with the outside surface spiral of uniform distances along said first dividing plate.
Wherein, said first dividing plate and second partition are one-body molded.
Wherein, the welding portion of said preceding cylindrical shell and rear cylinder body adopts argon arc welding technique to accomplish, and the butt joint form of the welded edge of said butt weld is the butt joint of V-arrangement bevelling.
The utility model is different from prior art, has the following advantages:
1, the preceding cylindrical shell that stretches in the State of Blast Furnace of blast furnace cooling stick adopts fine copper cast tube spare, and is covered with the alloy wear-resisting layer, therefore has good thermal conductivity and wear resistance, and the washing away of furnace charge and high temperature gas flow in the time of standing operation of blast furnace improved the work-ing life of blast furnace cooling stick;
2, the rear cylinder body of blast furnace cooling stick adopts weldless steel tube; Steel is higher than copper intensity, and shock resistance is good, has therefore improved the bulk strength and the impact resistance of cooling stick to a certain extent; And reduce the copper material usage quantity in a large number, reduced the manufacturing cost of blast furnace cooling stick;
3, because water coolant directly passes to the blast furnace cooling stick foremost, accelerated the flow velocity of front end, made the cooling that strengthened of high temperature damageable zone; Improved the rate of heat exchange of blast furnace cooling stick front end high-temperature zone, and then circled round, made the blast furnace cooling stick obtain evenly comprehensively cooling to the rear end of blast furnace cooling stick; Cooling dead angle and air chamber have been eliminated; Having reduced the blast furnace cooling stick can not in time derive the melting loss that causes because of superthermal load, has improved work-ing life, can make blast furnace recover the body of heater refrigerating function in the short period of time simultaneously; Prolong the work-ing life of blast furnace, improved the safety in production of blast furnace.
Description of drawings
Shown in Figure 1 is the structural representation of the utility model.
Label declaration:
1, body 2, front end end cover 3, rear end cap 4, water inlet pipe 5, rising pipe
6, ring flange 7, grout pipe 8, dividing plate 10, preceding cylindrical shell 20, rear cylinder body
30, butt weld 40, water-in 50, water outlet 80, first dividing plate
81, second partition 100, alloy wear-resisting layer
Embodiment
By the technology contents, the structural attitude that specify the utility model, realized purpose and effect, know clearly below in conjunction with embodiment and conjunction with figs. and give explanation.
With reference to shown in Figure 1; The blast furnace cooling stick of the utility model comprises body 1, and said body 1 is welded to form by the preceding cylindrical shell 10 of hollow and rear cylinder body 20 butt joints of hollow; Cylindrical shell 10 is a fine copper cast tube spare before said; Be covered with alloy wear-resisting layer 100 on the front end face of preceding cylindrical shell 10, said rear cylinder body 20 is a weldless steel tube, and the butt weld 30 of said preceding cylindrical shell 10 and rear cylinder body 20 is arranged in the rear end of body 1; The front port of said body 1 is provided with front end end cover 2; The rear port of said body 1 is provided with rear end cap 3, is fixed with the grouting ring flange of water inlet pipe 4, rising pipe 5, ring flange 6 and band grout pipe 7 on the said body 1, and said water inlet pipe 4 communicates with the inner chamber of body 1 through the water-in of offering on the rear end cap 3 40; The water outlet of offering on the sidewall of said rising pipe 5 through rear cylinder body 20 50 communicates with the inner chamber of body 1; The inner chamber of said body 1 is provided with dividing plate 8, and said dividing plate 8 is divided into one with intracavity space and crosses aquaporin, and the said aquaporin of crossing leads to the rear end of body 1 and passes to water outlet 50 along the spiral inner wall formula of body 1 again from the front end that water-in 40 first straight lines lead to body 1.
In the above-described embodiments; Because the preceding cylindrical shell 10 that the blast furnace cooling stick stretches in the State of Blast Furnace is fine copper cast tube spare; And be covered with alloy wear-resisting layer 100 on its front end face; Therefore have good thermal conductivity and wear resistance, the washing away of furnace charge and high temperature gas flow in the time of standing operation of blast furnace improved the work-ing life of blast furnace cooling stick; And the rear cylinder body of blast furnace cooling stick adopts weldless steel tube; Steel is higher than copper intensity, and shock resistance is good, has therefore improved the bulk strength and the impact resistance of blast furnace cooling stick to a certain extent; And reduce the copper material usage quantity in a large number, reduced the manufacturing cost of blast furnace cooling stick; Because preceding cylindrical shell 10 is arranged in the rear end of body 1 with the butt weld 30 of rear cylinder body 20, so is not vulnerable to the scaling loss and the erosive wear of High Temperature Furnaces Heating Apparatus material and high pressure draft, weld seam is not easy to crack, makes prolong the work-ing life of blast furnace cooling stick.
During work, water coolant directly passes to blast furnace cooling stick foremost earlier from the inner chamber of water inlet pipe 4 feeding bodies 1 under the guiding of crossing aquaporin; Accelerate the flow velocity of front end, made the cooling that strengthened of the high temperature damageable zone of front end, improved the rate of heat exchange of blast furnace cooling stick front end high-temperature zone; And then lead to the rear end of blast furnace cooling stick and finally discharge from water outlet 50 in the spiral inner wall formula of the guiding lower edge body 1 of crossing aquaporin; Make blast furnace cooling stick integral body obtain evenly comprehensively cooling, eliminated cooling dead angle and air chamber, reduced the blast furnace cooling stick and can not in time derive the melting loss that causes because of superthermal load; Improved the work-ing life of blast furnace cooling stick; Simultaneously can make blast furnace recover the body of heater refrigerating function in the short period of time, prolong the work-ing life of blast furnace, improve the safety in production of blast furnace.
Improved procedure as the foregoing description; Said dividing plate 8 comprises first dividing plate 80 and second partition 81; Said first dividing plate 80 is hollow tube-shape; First dividing plate 80 is along the axial setting of body 1, and the open rearward end of first dividing plate 80 is connected on body 1 inwall of said water-in 40 peripheries, and the front opening of first dividing plate 80 is near said front end end cover 2; Said second partition 81 is around on the outside surface that is arranged on said first dividing plate 80, and second partition 81 extends to the rear end of second partition 81 from the axial screw of the front end edge body 1 of first dividing plate 80.The said structure design both had been simple and easy to processing, can well realize the cooling performance of the utility model again.
As the improved procedure of the foregoing description, said second partition 81 extends with the outside surface spiral of uniform distances along said first dividing plate 80.So more help the even cooling of blast furnace cooling stick.
As the improved procedure of the foregoing description, said first dividing plate 80 is one-body molded with second partition 81.One-body moldedly more help simplifying processing and assembling, cut down finished cost, improve the structural strength of dividing plate, also do not get rid of situation about being fixed together again after the processing respectively certainly.
As the improved procedure of the foregoing description, the welding portion of said preceding cylindrical shell 10 and rear cylinder body 20 adopts argon arc welding technique to accomplish, and the butt joint form of the welded edge of said butt weld 30 is the butt joint of V-arrangement bevelling.Because argon arc welding technique has the plain telegram arc, the heat affected zone is little, distortion is little, the blast furnace cooling stick good welding performance after therefore welding, size distortion is little; And in order to guarantee being soldered to property and to be convenient to welding; The butt joint form of the welded edge of the butt weld 30 of the utility model preferably adopts the butt joint of V-arrangement bevelling; Can guarantee welding quality like this, simultaneously, V-butt both can be with gas cutting or plasma cutting; Available again mechanical cutting processing, the groove processing means is many, difficulty of processing is low.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure transformation that utilizes the utility model specification sheets and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (5)
1. blast furnace cooling stick is characterized in that: comprise body, said body is welded to form by the preceding cylindrical shell of hollow and the rear cylinder body butt joint of hollow; Cylindrical shell is a fine copper cast tube spare before said; Be covered with the alloy wear-resisting layer on the front end face of preceding cylindrical shell, said rear cylinder body is a weldless steel tube, and the butt weld of said preceding cylindrical shell and rear cylinder body is arranged in the rear end of body; The front port of said body is provided with front end end cover; The rear port of said body is provided with rear end cap, is fixed with the grouting ring flange of water inlet pipe, rising pipe, ring flange and band grout pipe on the said body, and said water inlet pipe communicates with the inner chamber of body through the water-in of offering on the rear end cap; The water outlet of offering on the sidewall of said rising pipe through rear cylinder body communicates with the inner chamber of body; The inner chamber of said body is provided with dividing plate, and said dividing plate is divided into one with intracavity space and crosses aquaporin, and the said aquaporin of crossing leads to the rear end of body and passes to water outlet along the spiral inner wall formula of body again from the front end that water-in elder generation straight line leads to body.
2. blast furnace cooling stick according to claim 1; It is characterized in that: said dividing plate comprises first dividing plate and second partition; Said first dividing plate is hollow tube-shape; First dividing plate is along the axial setting of body, and the open rearward end of first dividing plate is connected on the inner body wall of said water-in periphery, and the front opening of first dividing plate is near said front end end cover; Said second partition is around on the outside surface that is arranged on said first dividing plate, and second partition extends to the rear end of second partition from the axial screw of the front end edge body of first dividing plate.
3. blast furnace cooling stick according to claim 2 is characterized in that: said second partition extends with the outside surface spiral of uniform distances along said first dividing plate.
4. blast furnace cooling stick according to claim 2 is characterized in that: said first dividing plate and second partition are one-body molded.
5. blast furnace cooling stick according to claim 1 is characterized in that: the welding portion of cylindrical shell and rear cylinder body adopts argon arc welding technique to accomplish before said, and the butt joint form of the welded edge of said butt weld is the butt joint of V-arrangement bevelling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220134005 CN202576457U (en) | 2012-03-31 | 2012-03-31 | Blast furnace cooling stick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220134005 CN202576457U (en) | 2012-03-31 | 2012-03-31 | Blast furnace cooling stick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202576457U true CN202576457U (en) | 2012-12-05 |
Family
ID=47245887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220134005 Expired - Fee Related CN202576457U (en) | 2012-03-31 | 2012-03-31 | Blast furnace cooling stick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202576457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106086264A (en) * | 2016-08-24 | 2016-11-09 | 安徽马钢重型机械制造有限公司 | A kind of replaceable cooling column of blast furnace of high-strength wearable eddy flow and application thereof |
| CN114908205A (en) * | 2022-04-22 | 2022-08-16 | 北京科技大学 | Miniature cooler of blast furnace |
-
2012
- 2012-03-31 CN CN 201220134005 patent/CN202576457U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106086264A (en) * | 2016-08-24 | 2016-11-09 | 安徽马钢重型机械制造有限公司 | A kind of replaceable cooling column of blast furnace of high-strength wearable eddy flow and application thereof |
| CN106086264B (en) * | 2016-08-24 | 2018-05-11 | 安徽马钢重型机械制造有限公司 | A kind of replaceable cooling column of blast furnace of high-strength wearable eddy flow and its application |
| CN114908205A (en) * | 2022-04-22 | 2022-08-16 | 北京科技大学 | Miniature cooler of blast furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGDE DONGSHENG HONGYU TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: MINDONG HONGYU METALURGICAL SPARE PARTS CO., LTD. Effective date: 20130128 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130128 Address after: Seven Du Zhen Liu Du Cun 352105 Fujian city of Ningde province Jiaocheng area east of water surface Patentee after: Ningde Dongsheng Hongyu Technology Co., Ltd. Address before: Ning Road 352105 Fujian city of Ningde Province Patentee before: Mindong Hongyu Metallurgical Spare Part Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20160331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |