CN204027340U - Blanking water jacket - Google Patents
Blanking water jacket Download PDFInfo
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- CN204027340U CN204027340U CN201420371907.4U CN201420371907U CN204027340U CN 204027340 U CN204027340 U CN 204027340U CN 201420371907 U CN201420371907 U CN 201420371907U CN 204027340 U CN204027340 U CN 204027340U
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- water jacket
- wearing plate
- blanking water
- blanking
- netted wearing
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Abstract
Embodiment of the present utility model discloses a kind of blanking water jacket.Described blanking water jacket comprises welding netted wearing plate on an internal surface, the grid of netted wearing plate is formed by many wire are along inclined direction intersected with each other, body shape after the expansion of netted wearing plate side is rectangle, the lower end of netted wearing plate is the arc protruded, when netted wearing plate be rolled into tubular be welded on the inner surface of blanking water jacket time, the lower end of described netted wearing plate has the shape identical with the shape of the feed opening of blanking water jacket.According to the blanking water jacket of the utility model embodiment, the falling speed of raw material can be slowed down, thus alleviate raw material when falling to the collision impact of blanking water jacket inner surface and frictional force, prevent the comb tube wall being positioned at blanking water jacket inner surface place to be worn through and cause and leak, extending service life and the replacement cycle of blanking water jacket.
Description
Technical field
The utility model relates to converter blanking equipment, particularly relates to a kind of blanking water jacket.
Background technology
When converter smelting, need various raw material to join in converter by high hopper (such as, waste heat boiler), perforate on the flue usually above converter, insert blanking water jacket, raw material is joined in converter by blanking water jacket.Therefore blanking water jacket has another name called emission of baiting chute or blanking water tank, belongs to the water-cooling structure part being arranged on converter flue fire door section both sides.
Because distance fire door is comparatively near, blanking water jacket is often in extremely severe work condition environment, and the adhesion of the splashings such as the high temperature not only often bearing converter smelting scorches, flame and slag liquid, also will be subject to friction and the shock of the raw material fallen from eminence.Because the raw material entering blanking water jacket all has certain hardness and higher speed of fall, therefore the cooling water drainage tube wall of blanking water jacket inner surface is often worn and impacts, and is easy to worn outly cause seepy question, the working of a furnace and safety in production is caused to having a strong impact on.
Prior art be everlasting blanking water jacket inside surfacing one deck high-abrasive material formed overlay cladding, but the attrition of hardfacing weld deposit quickly, being no more than half a year will be polished.Another kind of common way welds wear rib on blanking water jacket inner surface, high temperature due to converter makes comb expanded by heating or the contraction of blanking water jacket, therefore wear rib seizing to shut down and be easy to come off at this stress, and wear rib can only reduce the frictional force of blanking process, and the impulsive force that raw material falls to producing at a high speed is felt simply helpless.
Utility model content
In order to solve the problem, embodiment of the present utility model provides a kind of wear-resisting and blanking water jacket that is impact resistance of having, can service life of significant prolongation blanking water jacket.
According to embodiment of the present utility model, described blanking water jacket comprises welding netted wearing plate on an internal surface, the grid of netted wearing plate is formed by many wire are along inclined direction intersected with each other, body shape after the expansion of netted wearing plate side is rectangle, the lower end of netted wearing plate is the arc protruded, when netted wearing plate is rolled into tubular and is welded on the inner surface of blanking water jacket, the lower end of described netted wearing plate has the shape identical with the shape of the feed opening of blanking water jacket.
According to embodiment of the present utility model, the surface of the impact site inside blanking water jacket can be provided with overlay cladding, and netted wearing plate is fixed on overlay cladding.
According to embodiment of the present utility model, the inner surface of blanking water jacket can be provided with overlay cladding, and netted wearing plate is fixed on overlay cladding.
According to embodiment of the present utility model, the arranged direction of grid can be 45 ° of angles with the bus of netted wearing plate.
According to embodiment of the present utility model, the described many wire forming grid can be steel bar, and specification can be 20mm × 20mm × 50mm.
According to embodiment of the present utility model, grid can be the square of 50mm × 50mm.
According to embodiment of the present utility model, the shape of grid can be circular or polygon.
According to embodiment of the present utility model, netted wearing plate can be welded between the pipe of blanking water jacket comb after being rolled into tubular, and does not weld mutually with the tube wall of comb.
The utility model can obtain at least one in following beneficial effect:
1, according to the netted wearing plate of the utility model embodiment, barrier force and cushion effect can be provided to the raw material fallen at a high speed, the part material first fallen is hovered over after on grid, then by the follow-up raw band fallen to converter feed opening, blanking velocity is significantly slowed down.
2, according to the netted wearing plate of the utility model embodiment, not only can reduce the frictional force of raw material when falling to blanking water jacket inner surface, the collision impact of raw material inner surface can also be reduced, prevent the comb tube wall of inner surface from being knocked generation hollow for a long time, thin down.
3, according to the netted wearing plate of embodiment of the present utility model; because of its bone porous structure and the network be in tilted layout; can reduce friction while disperses impact forces; and can not depart from the comb tube wall of blanking water jacket inner surface, integrated protection effect more better than wear rib can be played.
4, according to the blanking water jacket of the utility model embodiment, the structure of the netted wearing plate that its inside has imparts its wearability and resistance to impact, obvious by the implementation result of nearly a year, extends service life and the replacement cycle of blanking water jacket.
Accompanying drawing explanation
By the description carried out embodiment below in conjunction with accompanying drawing, above and other object of the present utility model and feature will become apparent, wherein:
Fig. 1 is the front view of the blanking water jacket according to the utility model embodiment;
Fig. 2 is the sectional view of the left side section intercepted along the A-A line of Fig. 1;
Fig. 3 launches schematic diagram according to the side of the netted wearing plate of the utility model embodiment;
Fig. 4 is the installment state schematic diagram of the netted wearing plate according to the utility model embodiment.
Detailed description of the invention
Below, embodiment of the present utility model is described in detail with reference to accompanying drawing.Hereinafter, involved embodiment is all exemplary, should not be interpreted as restriction of the present utility model.Identical Reference numeral will indicate same or analogous element all the time.
Fig. 1 is the front view of the blanking water jacket according to the utility model embodiment.As shown in Figure 1, the blanking water jacket 100 according to the utility model embodiment is inserted on the feed opening of converter obliquely, and angle of inclination can be 30 °.Blanking water jacket 100 adopts solid matter tubular structure, that is, circumferentially direction is arranged together for the identical but seamless steel pipe that length is different of many calibers, forms the cylindrical-shaped main body surrounded by steel pipe.Cooling water enters from entrance 1, is assigned to surrounds in every root cooling water pipe 3 of circumference by water inlet ring pipe 2, is pooled to water outlet ring pipe 4 again, finally flows out from coolant outlet 5 after cooling water pipe 3 Inner eycle one circle of many solid matters.From waste heat boiler (not shown) raw material out when the blanking water jacket 100 by the cooling water pipe 3 of surrounding solid matter the cold water of flowing cool, and to slip in converter from feed opening 6.
Fig. 2 is the sectional view of the left side section intercepted along the A-A line of Fig. 1.Because the structure of the right side section of blanking water jacket 100 is identical with the structure of left side section, therefore omit the description to it.According to embodiment of the present utility model; along the cooling water pipe 3 of the circumference dense arrangement of blanking water jacket 100 section as shown in Figure 2; the outer right wall 7 of cooling water pipe 3 is the inner surface place of blanking water jacket 100; this position is often subject to collision and the friction of scorching of high temperature and raw material, the inner surface of blanking water jacket 100 welds netted wearing plate this position can be made to be subject to wear-resistant protection.
Preferably, all right surface overlaying one deck high-abrasive material first at this position, more netted wearing plate is welded on overlay cladding.The structure of this double shield, makes the impact site of blanking water jacket 100 better be protected, extends service life further.
Fig. 3 launches schematic diagram according to the side of the netted wearing plate of the utility model embodiment, as shown in Figure 3, the netted wearing plate 10 be welded on its inner surface is comprised according to the blanking water jacket 100 of embodiment of the present utility model, the grid 30 of netted wearing plate 10 is formed by many wire are along inclined direction intersected with each other, body shape after the expansion of netted wearing plate 10 side is rectangle, and the lower end 20 of netted wearing plate 10 is the arc protruded.Wherein, when netted wearing plate 10 be rolled into tubular be welded on the inner surface of blanking water jacket 100 time, the lower end 20 of netted wearing plate 10 has the shape identical with the shape of the feed opening 6 of blanking water jacket 100.
When raw material falls from eminence, part material is subject to the stop of grid 30, temporarily hover on grid 30, along with the impact of the raw material constantly fallen, the raw material fallen in advance can be collided by the raw material of follow-up whereabouts and tumble after hovering a period of time, departs from grid 30 and slips in converter from feed opening 6.The arrangement of grid 30 is along inclined direction arranged crosswise, compared with being arranged in parallel, the cross-connection point wiry forming grid 30 longitudinally arranges, identical with the falling direction of raw material, make raw material fall time more hover on cross-connection point wiry less rest on wire from it.This structure both can provide larger barrier force, made buffering effect more obvious, can reduce again raw material and be stuck in the probability netted wearing plate 10 being difficult to continue whereabouts.Preferably, the arranged direction of grid 30 can be 45 ° of angles with the bus of netted wearing plate 10.
In addition, forming the specification wiry of grid 30 can be 20mm × 20mm × 50mm, makes the grid 30 of netted wearing plate 10 be the square of 50mm × 50mm.In addition, the wire according to embodiment of the present utility model can be steel bar, and steel can select Q345B steel.But the utility model is not limited thereto, can also select the steel of other any suitable types, grid is also not limited to rectangle, can also be circular or polygon or other any shapes that can play buffer stop effect.
Below, the whole installation process be arranged on according to the netted wearing plate of embodiment of the present utility model on blanking water jacket composition graphs 4 is described.
Fig. 4 is the installment state schematic diagram of the netted wearing plate according to the utility model embodiment.As shown in Figure 4, the cylindrical-shaped main body of blanking water jacket 100 is formed by full weld after the round steel 31 of filling different-diameter between the gap of the cooling water pipe 3 circumferentially arranged.On the outer wall being positioned at the solid matter cooling water pipe 3 at the inner surface place of blanking water jacket 100, heap is welded with and forms overlay cladding 40 by high-abrasive material.Netted wearing plate 10 is welded on the surface of overlay cladding 40, itself does not weld mutually between the pipe that all legs 11 are all positioned at adjacent solid matter cooling water pipe 3 with cooling water pipe 3.Because the impulsive force that raw material carries when falling can pull netted wearing plate 10 downwards, this is pullled power and can be delivered to tube wall by leg 11 and also cause pullling or impacting close arranging pipe tube wall, leg 11 is designed between pipe, such mounting structure just can prevent the cooling water pipe 3 of solid matter the seizing of power that be not hit from pulling, there is not tube wall deformation, the danger that the tube wall reducing the inner surface place of blanking water jacket 100 is worn through.
In sum, according to the blanking water jacket of the utility model embodiment, the netted wearing plate that its inner surface welds can provide barrier force and cushion effect to the raw material fallen at a high speed, the part material first fallen was hovered after a period of time on grid slip again to converter feed opening, significantly slow down falling speed.With weld compared with wear rib on the tube wall of blanking water jacket inner surface, the frictional force of raw material close arranging pipe tube wall at inner surface place when falling not only can be reduced according to the netted wearing plate of embodiment of the present utility model, the collision impact of raw material to close arranging pipe tube wall can also be reduced, prevent tube wall deformation or worn out.
In addition, the high temperature of converter can make cooling water comb expanded by heating or the contraction of blanking water jacket, and wear rib is seized to shut down be easy to come off this stress.But netted wearing plate because of its bone porous structure and the network of along inclined direction arranging can dispersive stress, can not depart from inner surface tube wall, thus play protected effect more better than wear rib, extend the service life of blanking water jacket.
Claims (7)
1. a blanking water jacket, it is characterized in that, described blanking water jacket comprises welding netted wearing plate on an internal surface, the grid of netted wearing plate is formed by many wire are along inclined direction intersected with each other, body shape after the expansion of netted wearing plate side is rectangle, the lower end of netted wearing plate is the arc protruded, when netted wearing plate be rolled into tubular be welded on the inner surface of blanking water jacket time, the lower end of described netted wearing plate has the shape identical with the shape of the feed opening of blanking water jacket.
2. blanking water jacket according to claim 1, is characterized in that, the inner surface of blanking water jacket is provided with overlay cladding, and netted wearing plate is fixed on overlay cladding.
3. blanking water jacket according to claim 1, is characterized in that, the arranged direction of grid and the bus of netted wearing plate are 45 ° of angles.
4. blanking water jacket according to claim 1, is characterized in that, the described many wire forming grid are steel bar, and specification is 20mm × 20mm × 50mm.
5. blanking water jacket according to claim 4, is characterized in that, grid is the square of 50mm × 50mm.
6. blanking water jacket according to claim 1, is characterized in that, the shape of grid is circular or polygon.
7. blanking water jacket according to claim 1, is characterized in that, netted wearing plate is welded between the pipe of blanking water jacket comb after being rolled into tubular, and does not weld mutually with the tube wall of comb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371907.4U CN204027340U (en) | 2014-07-04 | 2014-07-04 | Blanking water jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371907.4U CN204027340U (en) | 2014-07-04 | 2014-07-04 | Blanking water jacket |
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| Publication Number | Publication Date |
|---|---|
| CN204027340U true CN204027340U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420371907.4U Active CN204027340U (en) | 2014-07-04 | 2014-07-04 | Blanking water jacket |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035193A (en) * | 2015-05-27 | 2015-11-11 | 山西兰花科技创业股份有限公司 | Walking mechanism of fully-mechanized coal winning machine |
| WO2024009878A1 (en) * | 2022-07-07 | 2024-01-11 | 三菱重工業株式会社 | Cooling structure, screw feeder, and cooling method |
-
2014
- 2014-07-04 CN CN201420371907.4U patent/CN204027340U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035193A (en) * | 2015-05-27 | 2015-11-11 | 山西兰花科技创业股份有限公司 | Walking mechanism of fully-mechanized coal winning machine |
| WO2024009878A1 (en) * | 2022-07-07 | 2024-01-11 | 三菱重工業株式会社 | Cooling structure, screw feeder, and cooling method |
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