CN201864735U - Protecting device for water inlet-outlet pipe on cooling wall - Google Patents
Protecting device for water inlet-outlet pipe on cooling wall Download PDFInfo
- Publication number
- CN201864735U CN201864735U CN201020533160XU CN201020533160U CN201864735U CN 201864735 U CN201864735 U CN 201864735U CN 201020533160X U CN201020533160X U CN 201020533160XU CN 201020533160 U CN201020533160 U CN 201020533160U CN 201864735 U CN201864735 U CN 201864735U
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- Prior art keywords
- water inlet
- outlet pipe
- water outlet
- inlet pipe
- pipe
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Abstract
The utility model discloses a protecting device for a water inlet-outlet pipe on a cooling wall. One end of the water inlet-outlet pipe penetrates through a furnace shell so as to be welded on the cooling wall, the protecting device comprises a protecting sleeve which is positioned between the water inlet-outlet pipe and the furnace shell, and one end of the protecting sleeve is welded on the cooling wall. In the protecting device, the water inlet-outlet pipe can be effectively protected by the protecting sleeve of the protecting device so as to transfer shearing stress between the water inlet-outlet pipe and the cooling water on the protecting sleeve, so that the damage caused by the shearing force between the water inlet-outlet pipe and the furnace shell can be avoided effectively, and a water leakage accident caused by shearing force at the welding position of the water inlet-outlet pipe and a copper cooling wall body can be avoided; and simultaneously, under the connecting mode, the relationship between the cooling wall and the furnace wall as well as between the water inlet-outlet pipe and the furnace wall are not restrained completely, so that various deformation and displacement can be absorbed effectively to guarantee the safety work of the cooling wall.
Description
Technical field
The utility model relates to a kind of cooling stave water inlet pipe and water outlet pipe protector, particularly about a kind of copper cooling wall water inlet pipe and water outlet pipe protector of anti-shearing.
Background technology
The bosh of blast furnace, furnace bosh and shaft middle and lower part, the temperature height, thermal stresses is big, environment is abominable, and these positions begin to adopt copper cooling wall to cool off in a large number at present.But because temperature height, thermal stresses are big, it is inevitably that copper cooling wall deforms, and therefore can produce the shearing force of alternation to water inlet pipe and water outlet pipe.
When being in the milk, blast furnace expects owing to traditional protective casing inside enters grouting easily; make water inlet pipe and water outlet pipe lose activity space; under the repeated stress effect that the copper cooling wall distortion produces; water pipe can't absorb deformation; cause copper water pipe fracture, crack and water pipe and copper cooling wall body commissure to crack easily, cause copper cooling wall generation leakage accident.Simultaneously, copper water pipe easily when cooling stave is out of shape by furnace shell shear deform, crackle even rupture.The domestic Nanjing 2000m of Iron And Steel Company
3Blast furnace and the 2850m of Benxi Iron and Steel Company
3Blast furnace just occurred that the copper cooling wall water pipe cracks, fracture and water pipe and wall body place weld seam produce crack phenomenon, thereby the major accident that copper cooling wall leaks takes place, and caused blast furnace to stop production.
Therefore be necessary to develop a kind of copper cooling wall water inlet pipe and water outlet pipe protector, guarantee the works better of copper cooling wall, prolong blast furnace campaign.
The utility model content
The purpose of this utility model is, a kind of cooling stave water inlet pipe and water outlet pipe protector is provided, and the protective casing by protector can form protection to water inlet pipe and water outlet pipe effectively, and the shear-stress between water inlet pipe and water outlet pipe and the cooling stave is transferred on the protective casing; Simultaneously protector makes between cooling stave and the furnace shell, is not retrained fully between water inlet pipe and water outlet pipe and the furnace shell, can effectively absorb various deformation and displacement, for the trouble-free service of cooling stave provides guarantee.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
A kind of cooling stave water inlet pipe and water outlet pipe protector, an end of water inlet pipe and water outlet pipe passes furnace shell and is welded on the cooling stave, and protector comprises protective casing, and protective casing is between water inlet pipe and water outlet pipe and furnace shell, and an end of protective casing is welded on the cooling stave.
In preferred embodiment; described protective casing comprises first sleeve pipe and second sleeve pipe of concentric setting; connect by ring wall between first and second sleeve pipe; the first telescopic diameter is greater than the second telescopic diameter; first Socket welding is connected on the described cooling stave, and second sleeve pipe is between described water inlet pipe and water outlet pipe and furnace shell.
In preferred embodiment, described protector also comprises silicone gasket, and silicone gasket is set in outside described second sleeve pipe, and between described furnace shell and ring wall.
In preferred embodiment, what described water inlet pipe and water outlet pipe was outer upwards is welded with a plurality of preset piecess in week equably, and a plurality of preset piecess are positioned at described second sleeve pipe accordingly away from inboard, the first telescopic end.
In preferred embodiment, described preset pieces is that round steel is made.
In preferred embodiment, be wound with asbestos twine on the external circumferential of described water inlet pipe and water outlet pipe, asbestos twine is positioned at described second sleeve pipe away from inboard, the first telescopic end, and is positioned at the medial extremity of preset pieces.
In preferred embodiment, the described water inlet pipe and water outlet pipe outside is arranged with FlexbleJoint, and an end of FlexbleJoint is welded on the outside of furnace shell.
In preferred embodiment, the outside of described water inlet pipe and water outlet pipe is welded with steel bushing, and the end away from furnace shell of described FlexbleJoint is welded on the steel bushing.
In preferred embodiment, described cooling stave is a copper cooling wall, and described water inlet pipe and water outlet pipe is a water inlet pipe and water outlet pipe made of copper, and described protective casing is the protective casing of steel.
Characteristics and the advantage of the utility model embodiment are:
1, can effectively solve between water inlet pipe and water outlet pipe and the furnace shell and the destructive leakage accident takes place, can prevent effectively that water inlet pipe and water outlet pipe and copper cooling wall body weld are subjected to shearing force and leakage accident takes place because of shear action;
2, under the prerequisite that increases cost and installation difficulty and workload hardly, can effectively reduce that water inlet pipe and water outlet pipe at junction, cooling stave surface and furnace shell place shear fracture takes place and the probability that leaks;
3, this protector makes between copper cooling wall and the furnace shell, is not retrained fully between water inlet pipe and water outlet pipe and the furnace shell, can effectively absorb various deformation and displacement, for the trouble-free service of copper cooling wall provides guarantee, prolongs the work-ing life of blast furnace.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of protector of the present utility model;
Fig. 2 is the position distribution synoptic diagram of preset pieces of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Referring to shown in Figure 1; in the cooling stave water inlet pipe and water outlet pipe protector that the utility model embodiment proposes; one end of water inlet pipe and water outlet pipe 1 passes furnace shell and is welded on the cooling stave 2; protector comprises protective casing 3; protective casing 3 is between water inlet pipe and water outlet pipe 1 and furnace shell 4, and an end of protective casing 3 is welded on the cooling stave 2.
Among the utility model embodiment; protective casing 3 is welded on the cooling stave 2; and protective casing 3 is between water inlet pipe and water outlet pipe 1 and furnace shell 4; be that protective casing 3 forms the welding relation respectively and between water inlet pipe and water outlet pipe 1 and the furnace shell 4; blow-by between protective casing 3 and the furnace shell 4; unfixing; make protective casing 3 to form protection to water inlet pipe and water outlet pipe 1 effectively; shear-stress between water inlet pipe and water outlet pipe 1 and the cooling stave 2 is transferred on the protective casing 3, can reduce effectively water inlet pipe and water outlet pipe 1 in the commissure on cooling stave 2 surfaces and water inlet pipe and water outlet pipe 1 with furnace shell 4 contact positions shear fracture takes place and the probability that causes leaking.The grouting material entered between protective casing 3 and the water inlet pipe and water outlet pipe 1 when in addition, the setting of protective casing 3 can also prevent to be in the milk.
Wherein, cooling stave 2 can be copper cooling wall, and water inlet pipe and water outlet pipe 1 can be water inlet pipe and water outlet pipe made of copper, and protective casing 3 can be the protective casing of steel.
According to an embodiment of the present utility model; described protective casing 3 comprises first sleeve pipe 31 and second sleeve pipe 32 of concentric setting; connect by ring wall 33 between first and second sleeve pipe 31,32; the diameter of first sleeve pipe 31 is greater than the diameter of second sleeve pipe 32; first sleeve pipe 31 is welded on the cooling stave 2, and second sleeve pipe 32 is between water inlet pipe and water outlet pipe 1 and furnace shell 4.
Furthermore, described protector also comprises silicone gasket 5, and silicone gasket 5 is set in outside second sleeve pipe 32, and between furnace shell 4 and ring wall 33.Silicone gasket 5 is installed between protective casing 3 and the furnace shell 4, thereby can play shock absorption between cooling stave 2 and furnace shell 4.In addition, silicone gasket 5 makes that the grouting material entered between furnace shell 4 and the protective casing 3 when silicone gasket 5 can also prevent to be in the milk between furnace shell 4 and ring wall 33, and then avoids the grouting material to enter in the FlexbleJoint 8 cited below.
According to an embodiment of the present utility model, what described water inlet pipe and water outlet pipe 1 was outer upwards is welded with a plurality of preset piecess 6 in week equably, and a plurality of preset piecess 6 are positioned at the end inboard of second sleeve pipe 32 away from first sleeve pipe 31 accordingly.That is to say that a plurality of preset piecess 6 are installed in respectively between protective casing 3 and the water inlet pipe and water outlet pipe 1, wherein, protective casing 3 only is to be overlapped on the preset pieces 6, does not form welding etc. with preset pieces 6 and fixedlys connected.As shown in Figure 2,, have three preset piecess 6 herein, it is 120 degree angles respectively and is welded on water inlet pipe and water outlet pipe 1 periphery equably.Preset pieces 6 is used for guaranteeing the concentricity of protective casing 3 and water inlet pipe and water outlet pipe 1, so that protective casing 3 can successfully be set in outside the water inlet pipe and water outlet pipe 1, makes water inlet pipe and water outlet pipe 1 not easily broken.Wherein, preset pieces 6 can be round steel and makes.
According to an embodiment of the present utility model, be wound with asbestos twine 7 on the external circumferential of described water inlet pipe and water outlet pipe 1, asbestos twine 7 is positioned at the end inboard of second sleeve pipe 32 away from first sleeve pipe 31, and is positioned at the medial extremity (i.e. a side of close furnace shell 4 inside) of preset pieces 6.That is to say that as shown in Figure 1, asbestos twine 7 and is positioned at the right side of preset pieces 6 between second sleeve pipe 32 and water inlet pipe and water outlet pipe 1.If being damaged, silicone gasket 5 makes that the grouting material enters between protective casing 3 and the furnace shell 4 when grouting; asbestos twine 7 can play the effect of secondary seal, and the grouting material that prevents to enter between protective casing 3 and the furnace shell 4 flows in the protective casing 3 from the end of protective casing 3.
According to an embodiment of the present utility model, described water inlet pipe and water outlet pipe 1 outside is arranged with FlexbleJoint 8, and an end of FlexbleJoint 8 is welded on the outside of furnace shell 4.FlexbleJoint 8 is in the sealing that realizes between water inlet pipe and water outlet pipe 1 and the furnace shell 4, also the displacement to water inlet pipe and water outlet pipe 1 compensates, specifically be that the displacement in horizontal and vertical direction compensates to water inlet pipe and water outlet pipe 1, alleviate the shear-stress of water inlet pipe and water outlet pipe 1 and furnace shell 4, buffering cooling stave 2 and 4 distortion of furnace shell, the distortion that alleviates water inlet pipe and water outlet pipe 1.
Furthermore, the outside of water inlet pipe and water outlet pipe 1 is welded with steel bushing 81, and the end away from furnace shell 4 of FlexbleJoint 8 is welded on the steel bushing 81.Wherein, steel bushing 81 can be shorter, is short steel pipes, and only an end of need FlexbleJoint 8 can weld on it and get final product.
The installation process of the protector of cooling stave water inlet pipe and water outlet pipe of the present utility model is described below:
Make protective casing 3; Preset pieces 6 is welded on the water inlet pipe and water outlet pipe 1, and on water inlet pipe and water outlet pipe 1, twines asbestos twine 7; Then, protective casing 3 is welded on the cooling stave 2, and makes protective casing 3 between water inlet pipe and water outlet pipe 1 and furnace shell 4, silicone gasket 5 is enclosed within on the protective casing 1; Cooling stave 2 then is installed, after wall 2 bolts to be cooled etc. are in place, welding steel cover 81 on water inlet pipe and water outlet pipe 1, and FlexbleJoint 8 is installed, and FlexbleJoint 8 and furnace shell 4, water inlet pipe and water outlet pipe 1 are welded respectively, install.
In sum, the utility model embodiment has following characteristics and advantage:
1, because water inlet pipe and water outlet pipe 1 intensity difference made of copper, be subjected to shearing force and be easy to destroy, adopt the protective casing 3 of steel also to pass furnace shell 4 this designs, can prevent effectively that water inlet pipe and water outlet pipe 1 made of copper is subjected to shearing force and destroys going out furnace shell 4 places;
2, effectively with the former transfer of shear forces that should bear by water inlet pipe and water outlet pipe 1 made of copper to the protective casing 3 of steel, and the grouting material enters between protective casing 3 and the water inlet pipe and water outlet pipe 1 and the water inlet pipe and water outlet pipe 1 that causes loses the ability of absorption cooling stave 2 displacements can also prevent to be in the milk the time;
Grouting material entered protective casing 3 inside and makes water inlet pipe and water outlet pipe 1 lose buffering leeway and cut off or crack when 3, protective casing 3 can also prevent to be in the milk; wherein, entering of grouting material also is to cause the copper cooling wall water inlet pipe and water outlet pipe major reason of leakage accident to occur in the commissure in the known technology.
The above only is several embodiment of the present utility model, and those skilled in the art can carry out various changes or modification to the utility model embodiment and do not break away from spirit and scope of the present utility model according to application documents are disclosed.
Claims (9)
1. cooling stave water inlet pipe and water outlet pipe protector; it is characterized in that an end of water inlet pipe and water outlet pipe passes furnace shell and is welded on the cooling stave, protector comprises protective casing; protective casing is between water inlet pipe and water outlet pipe and furnace shell, and an end of protective casing is welded on the cooling stave.
2. cooling stave water inlet pipe and water outlet pipe protector according to claim 1; it is characterized in that; described protective casing comprises first sleeve pipe and second sleeve pipe of concentric setting; connect by ring wall between first and second sleeve pipe; the first telescopic diameter is greater than the second telescopic diameter; first Socket welding is connected on the described cooling stave, and second sleeve pipe is between described water inlet pipe and water outlet pipe and furnace shell.
3. cooling stave water inlet pipe and water outlet pipe protector according to claim 2 is characterized in that described protector also comprises silicone gasket, and silicone gasket is set in outside described second sleeve pipe, and between described furnace shell and ring wall.
4. according to claim 2 or 3 described cooling stave water inlet pipe and water outlet pipe protectors, it is characterized in that what described water inlet pipe and water outlet pipe was outer upwards is welded with a plurality of preset piecess in week equably, a plurality of preset piecess are positioned at described second sleeve pipe accordingly away from inboard, the first telescopic end.
5. cooling stave water inlet pipe and water outlet pipe protector according to claim 4 is characterized in that, described preset pieces is that round steel is made.
6. cooling stave water inlet pipe and water outlet pipe protector according to claim 4 is characterized in that, is wound with asbestos twine on the external circumferential of described water inlet pipe and water outlet pipe, and asbestos twine is positioned at described second sleeve pipe away from inboard, the first telescopic end, and is positioned at the medial extremity of preset pieces.
7. cooling stave water inlet pipe and water outlet pipe protector according to claim 6 is characterized in that, the described water inlet pipe and water outlet pipe outside is arranged with FlexbleJoint, and an end of FlexbleJoint is welded on the outside of furnace shell.
8. cooling stave water inlet pipe and water outlet pipe protector according to claim 7 is characterized in that the outside of described water inlet pipe and water outlet pipe is welded with steel bushing, and the end away from furnace shell of described FlexbleJoint is welded on the steel bushing.
9. cooling stave water inlet pipe and water outlet pipe protector according to claim 4 is characterized in that described cooling stave is a copper cooling wall, and described water inlet pipe and water outlet pipe is a water inlet pipe and water outlet pipe made of copper, and described protective casing is the protective casing of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020533160XU CN201864735U (en) | 2010-09-17 | 2010-09-17 | Protecting device for water inlet-outlet pipe on cooling wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020533160XU CN201864735U (en) | 2010-09-17 | 2010-09-17 | Protecting device for water inlet-outlet pipe on cooling wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201864735U true CN201864735U (en) | 2011-06-15 |
Family
ID=44135896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020533160XU Expired - Fee Related CN201864735U (en) | 2010-09-17 | 2010-09-17 | Protecting device for water inlet-outlet pipe on cooling wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201864735U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306001A (en) * | 2018-03-27 | 2019-10-08 | 宝山钢铁股份有限公司 | Protective cover for blast furnace cooling board component |
| WO2021232822A1 (en) * | 2020-05-16 | 2021-11-25 | 汕头华兴冶金设备股份有限公司 | Reinforced structure of water inlet and outlet pipe of cooling wall |
-
2010
- 2010-09-17 CN CN201020533160XU patent/CN201864735U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306001A (en) * | 2018-03-27 | 2019-10-08 | 宝山钢铁股份有限公司 | Protective cover for blast furnace cooling board component |
| WO2021232822A1 (en) * | 2020-05-16 | 2021-11-25 | 汕头华兴冶金设备股份有限公司 | Reinforced structure of water inlet and outlet pipe of cooling wall |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20160917 |