CN210856176U - Pore structure build-up welding piece welt and blast furnace distribution chute - Google Patents
Pore structure build-up welding piece welt and blast furnace distribution chute Download PDFInfo
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- CN210856176U CN210856176U CN201921408794.XU CN201921408794U CN210856176U CN 210856176 U CN210856176 U CN 210856176U CN 201921408794 U CN201921408794 U CN 201921408794U CN 210856176 U CN210856176 U CN 210856176U
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- welt
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Abstract
The utility model discloses a hole structure surfacing block lining plate and a blast furnace distribution chute, which relate to the technical field of the blast furnace distribution chute, and comprise a lining plate body, wherein the section of the lining plate body is arc-shaped, two opposite sides of the lining plate body are respectively fixed with an arc-shaped widening plate, the axes of the two widening plates are consistent with the axis of the lining plate body, the two widening plates are both positioned at one end of the lining plate body, a cross beam is arranged between the two widening plates, and the two ends of the cross beam are respectively fixed at the upper sides of the two widening plates; a plurality of fixed orificess have all been seted up on the surface of welt body and widening board, and the built-in wearing parts that have in the fixed orifices. The utility model discloses an only fix the widening board with the one end of welt body and widen to and set up the fixed orifices on welt body and widening board, thereby when guaranteeing material and the contact of welt body, alleviateed the weight of welt body, and saved the wear-resisting material of making the welt body, made things convenient for the installation of welt body, saved the processing cost simultaneously.
Description
Technical Field
The utility model relates to a technical field of blast furnace distribution chute especially relates to a pore structure build-up welding piece welt and blast furnace distribution chute.
Background
With the continuous improvement and enhancement of the smelting strength of the blast furnace, the requirement on bell-less top charging equipment is more and more strict, and particularly, whether the wear-resistant lining plate arranged in the distribution chute can better meet the requirement of the excess charging quantity is more important. Working conditions of the wear-resistant lining plate are as follows: the ambient temperature is 150-300 ℃ for a long time and reaches over 600 ℃ for a short time; meanwhile, the furnace is directly impacted and abraded by furnace charge, and the using condition is severe.
The welt generally laminates on the inner wall of chute and covers the inner wall of chute completely, replaces chute and material contact through wear-resisting welt to the life of extension chute, the welt is made for wear-resistant material, also generally the complete cladding is at the internal surface of chute (see the figure) when the installation, but the price of welt is too high, and complete cladding chute surface uses can use more wear-resistant material, and when wrapping the welt chute inner wall, because monoblock welt weight is heavier, thereby has increaseed the installation degree of difficulty.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pore structure build-up welding piece welt of wearing material and the installation of being convenient for has been saved.
The utility model discloses an aim at can realize through following technical scheme:
a hole structure surfacing block lining plate comprises a lining plate body, wherein the cross section of the lining plate body is arc-shaped, arc-shaped widening plates are fixed on two opposite sides of the lining plate body, the axes of the two widening plates are consistent with the axis of the lining plate body, the two widening plates are located at one end of the lining plate body, a cross beam is arranged between the two widening plates, and two ends of the cross beam are respectively fixed on the upper sides of the two widening plates;
a plurality of fixed orificess have all been seted up on the welt body with the surface of widening board, all be equipped with wearing parts in the fixed orifices.
By adopting the technical scheme, when the materials slide on the narrow lining plate body, the materials are not easy to accumulate too much, and when the materials leave the lining plate body, the materials are easy to accumulate together, so that the widening plate is fixed at one end of the lining plate body, the materials can be placed on the lining plate body, and the width of the lining plate body is reasonably reduced, so that the weight of the lining plate body is saved, the wear-resistant materials for manufacturing the lining plate body are saved, the processing cost is saved, the beam enables the integrity between the two widening plates to be stronger, and the lining plate body and the widening plates are not easy to deform under stress; through set up the fixed orifices on welt body and widening board to further alleviateed the weight of welt body, and further saved wear-resisting material, and contact the material in the lump through wearing parts and welt body, thereby delayed the loss of welt body, with this processing cost is reduced.
Further setting the following steps: the lining plate body is formed by splicing a plurality of sections of mounting plates, and the two widening plates are only positioned at one end of each mounting plate.
Through adopting above-mentioned technical scheme, the welt body forms through the concatenation of polylith mounting panel to when the welt body is installed, can be fixed mounting panel in proper order, thereby assemble into the welt body, with this when the installation welt body, made things convenient for the transportation welt body, with this installation effectiveness has been improved.
Further setting the following steps: ear plates are fixed on two opposite sides of the mounting plate.
By adopting the technical scheme, when the mounting plate is hoisted, the ear plate gives a force application point for hoisting the mounting plate, so that the mounting plate is conveniently hoisted to assemble the lining plate body.
Further setting the following steps: the wear-resistant part is a welding block, the welding block is welded and filled in the fixing hole, and the height of the welding block exceeds the fixing hole.
Through adopting above-mentioned technical scheme, through filling the build-up welding solder block in the fixed orifices to this with the fixed orifices shutoff, and surpass the inner wall and the material contact of the solder block replacement welt body of fixed orifices, thereby the inboard of welt body is difficult for receiving wearing and tearing under the protection of solder block, with this life who prolongs the welt body.
Further setting the following steps: the thickness of the lining plate body is between 80mm and 100 mm.
By adopting the technical scheme, when the thickness of the lining plate body is between 80mm and 100mm, the weight of the lining plate body is convenient to hoist, and the lining plate body is not easy to damage due to abrasion of materials; when the thickness of the lining plate body is less than 80mm, the lining plate body is worn to break a hole, and the supporting strength is not enough, so that the lining plate is easy to damage; when the thickness of the lining plate body is larger than 100mm, the whole weight of the lining plate body is overlarge, so that the lining plate is not easy to hoist, the consumption of wear-resistant materials is excessive, and the processing cost is large.
Further setting the following steps: the central angle of the lining plate body is 120-140 degrees, and the central angle of an arc-shaped surface formed by the widening plate and the lining plate body is 150-170 degrees.
By adopting the technical scheme, when the materials slide on the lining plate body, the materials are not easy to accumulate too much, so that when the central angle of the lining plate body is set between 120 and 140 degrees, the sliding of the materials on the lining plate body can be met, and the wear-resistant materials for manufacturing the lining plate body are saved, thereby saving the cost; when the central angle of the lining plate body is less than 120 degrees, the material is easy to slide off the lining plate body; when the central angle of the lining plate body is larger than 140 degrees, the utilization rate of the edge of the lining plate body is low, more wear-resistant materials are consumed, and the cost is increased.
The second purpose of the utility model is to provide a blast furnace distribution chute which saves wear-resistant materials and is convenient to install.
The second purpose of the utility model is realized by the following technical scheme:
the utility model provides a blast furnace distribution chute, includes the chute body and as above a pore structure build-up welding piece welt, the cross-section of chute body is circular-arcly, just the medial surface of chute body with the lateral surface of welt body agrees with, many weld grooves have been seted up along its circumference to the inboard of chute body, it has the welding rod to weld the inslot build-up welding, the welt body passes through the welding rod is fixed the chute body is inboard.
Through adopting above-mentioned technical scheme, the welt body passes through the welding rod to be fixed in the inboard of chute body to the welt body has alleviateed the wearing and tearing of the inboard of chute body, with this life who has prolonged the chute body, and the chute body is owing to install the welt body, thereby the chute body also has the advantage of welt body, and simple to operate has saved wear-resisting material promptly, and the processing cost is low.
Further setting the following steps: arc-shaped barrier strips are fixed at two ends of the chute body, and the thickness of each barrier strip is smaller than that of the lining plate body.
Through adopting above-mentioned technical scheme, this inboard back of chute is fixed in the installation of welt body, the both ends of welt all with the blend stop butt to the blend stop has restricted the welt body and has slided along its length direction, with more firm the fixing on the chute body of this welt body.
To sum up, the utility model discloses a beneficial technological effect does:
(1) when the materials slide on the lining plate body, the widening plate is fixed at one end of the lining plate body, so that the self weight of the lining plate body is lighter, the installation of the lining plate body is convenient, and the wear-resistant materials for manufacturing the lining plate body are reduced, so that the processing cost is saved;
(2) the welding blocks are filled in the fixing holes of the lining plate body, so that the welding blocks are in contact with materials in the lining plate body preferentially, abrasion of the lining plate body is reduced, the lining plate body is not easy to damage, and cost is saved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic structural view of the chute body of the present invention;
FIG. 4 is a schematic structural view of the chute body and the lining plate body of the present invention;
FIG. 5 is an enlarged view of a portion B of FIG. 4;
FIG. 6 is a schematic structural view of the alloy ring body of the present invention;
fig. 7 is an exploded view of the alloy ring body, the locking bolt and the welding block of the present invention.
Reference numerals: 1. a liner plate body; 2. a widening plate; 3. a cross beam; 4. a fixing hole; 5. mounting a plate; 6. an ear plate; 7. a chute body; 8. welding a groove; 9. welding rods; 10. blocking strips; 11. an alloy ring body; 12. locking the bolt; 13. a wear-resistant portion; 14. a fixed part; 15. a support platform; 16. clamping and embedding holes; 17. rounding; 18. and (7) welding blocks.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1 and 2, the utility model discloses a blast furnace distribution chute, which comprises a chute body 7 and a lining plate body 1. The cross-section of the chute body 7 is arc-shaped, the cross-section of the lining plate body 1 is arc-shaped, the outer side of the lining plate body 1 is matched with the inner side of the chute body 7, and the lining plate body 1 is fixed on the inner side of the chute body 7. A plurality of fixed orificess 4 have been seted up on the surface of welt body 1, and the axis of a plurality of fixed orificess 4 all points to the central axis of welt body 1, all is equipped with wearing parts in a plurality of fixed orificess 4. The relative both sides of welt body 1 all are fixed with curved widening board 2, and the thickness of widening board 2 is unanimous with the thickness of welt body 1, and two 2 axes of widening board are unanimous with the axis of welt body 1, and two widening boards 2 are located chute body 7 and two widening boards 2 all are located the one end of welt body 1, are equipped with crossbeam 3 between two widening boards 2, and the upside at two widening boards 2 is fixed respectively at the both ends of crossbeam 3. When the material slides on welt body 1, only can pile up in the unloading department of material to only fix at the one end of welt body 1 and widen the tip of welt body 1 with this by widening board 2, thereby saved the required wear-resisting material of preparation welt body 1, saved the cost, and alleviateed the weight of welt body 1, with this convenient hoist and mount welt body 1. And the fixing holes 4 arranged on the lining plate body 1 and the widening plate 2 further save wear-resistant materials and reduce the weight of the lining plate body 1.
Referring to fig. 1 and 3, a plurality of welding grooves 8 are formed in the inner side of the chute body 7 along the circumferential direction of the chute body, and the plurality of welding grooves 8 are uniformly distributed in the length direction of the chute body 7. Weld the interior build-up welding of groove 8 and have welding rod 9, and lining board body 1 passes through welding rod 9 to be fixed at chute body 7 inboardly to lining board body 1 is by firm the fixing in chute body 7. The both ends of chute body 7 all are equipped with curved blend stop 10, and the arcwall face in the outside of blend stop 10 agrees with the medial surface of chute body 7, and blend stop 10 fixes the inboard at the chute. The thickness of blend stop 10 is less than the thickness of welt body 1, fixes behind chute body 7 inboard when welt body 1, and the equal butt in both ends of welt body 1 is on blend stop 10 to welt body 1 is difficult for receiving external force and breaks away from the chute.
The lining plate body 1 is formed by splicing a plurality of sections of mounting plates 5, the two widening plates 2 are only positioned at one end of one mounting plate 5, and the ear plates 6 are fixed on two opposite sides of the mounting plate 5. Through fixing mounting panel 5 in chute body 7 respectively to this has made things convenient for installation welt body 1, and otic placode 6 has made things convenient for the workman to hoist mounting panel 5.
The thickness of the lining plate body 1 is between 80mm and 100mm, and the thickness of the lining plate body 1 is selected to be 80 mm. The weight of welt body 1 is convenient for hoist and mount this moment, and welt body 1 is difficult because the wearing and tearing of material to it and damaged. The central angle of the lining plate body 1 is 120-140 degrees, and the central angle of an arc-shaped surface formed by the widening plate 2 and the lining plate body 1 is 150-170 degrees. At this moment, the lining plate body 1 can meet the requirement that the materials slide on the lining plate body 1, and the wear-resistant materials for manufacturing the lining plate body 1 are saved, so that the cost is saved.
The wear-resistant part is a welding block 18, and the welding block 18 is formed by surfacing welding of a welding wire made of wear-resistant chromium, molybdenum or niobium and the like. The solder bumps 18 are solder-filled in the fixing holes 4, and the height of the solder bumps 18 exceeds the fixing holes 4. Because the welding block 18 is built-up welding in the fixed orifices 4 to the welding block 18 is fixed more firmly, is difficult for breaking away from the welt body 1, and the welding block 18 can build-up welding to 20mm, and when this material slides on welt body 1 surface, the welding block 18 has alleviateed the wearing and tearing of welt body 1, thereby has prolonged welt body 1's life, has saved the cost.
The implementation principle and the beneficial effects of the embodiment are as follows:
in order to protect the chute body 7 from being abraded by materials, the lining plate body 1 is covered in the chute body 7, and the materials slide on the lining plate body 1, so that the abrasion of the chute body 7 is reduced; the material is only piled up when leaving the lining board body 1, so that a widening plate 2 is fixed at one end of the lining board body 1. So that the width of welt one end is greater than the width of other parts, makes welt body 1 and widening board 2 form "T" font to when guaranteeing that the difficult wearing and tearing chute body 7 of material, alleviateed welt body 1's weight, made things convenient for installation welt body 1. And through the mounting panel 5 that falls into polylith end to end with welt body 1 to welt body 1 further makes things convenient for to install welt body 1 to chute body 7 on. And then a plurality of fixing holes 4 are formed in the lining plate body 1, so that the wear-resistant material is further saved, the weight of the lining plate body 1 is reduced, and the processing cost is saved while the lining plate is convenient to hoist. Through build-up welding 18 in fixed orifices 4 to this makes welding 18 contact material, welding 18 has lightened the wearing and tearing of material to welt body 1, thereby has prolonged the life of welt, has saved the cost.
Example two: the difference between the second embodiment and the first embodiment is the difference between the wear resistant parts.
Referring to fig. 4 and 6, the wear-resistant part is an alloy ring body 11, and a locking bolt 12 (see fig. 7) is arranged on the alloy ring body 11 in a penetrating mode and is consistent with the axis of the alloy ring body. The alloy ring body 11 is made of cobalt-chromium-tungsten alloy, and the wear resistance of the alloy ring body is greater than that of the lining plate body 1. Wear-resisting portion 13 and fixed part 14 that alloy circle body 11 includes, overlap about wear-resisting portion 13 and the fixed part 14 and fix, fixed part 14 wears to establish and the inlay card is in fixed orifices 4, and locking bolt 12 wears to establish between wear-resisting portion 13 and fixed part 14, locking bolt 12 and the threaded connection of welt body 1. The locking bolt 12 is screwed up to fix the alloy ring body 11 on the surface of the lining plate body 1, the wear-resistant part 13 covers the surface of the lining plate body 1 at the moment, the wear-resistant part 13 replaces the lining plate body 1 to be in contact with materials, the service life of the lining plate body 1 is prolonged, after the wear-resistant part 13 on the surface of the lining plate body 1 is worn, the wear of the materials on the lining plate body 1 can be reduced only by replacing the worn alloy ring body 11, the wear-resistant materials on the surface of the lining plate body 1 are saved, and the cost is saved.
The wear-resistant part 13 and the fixing part 14 are both cylindrical and have the same axis, the outer diameter of the wear-resistant part 13 is larger than that of the fixing part 14, the inner diameter of the wear-resistant part 13 is smaller than that of the fixing part 14, and the top end of the fixing part 14 forms a supporting platform 15. The height of the wear part 13 is greater than the height of the head of the locking bolt 12. The diameter of the threaded portion of the lock bolt 12 is identical to the inner diameter of the fixing portion 14, and when the lock bolt 12 is inserted into the fixing portion 14, the head of the lock bolt 12 abuts on the support platform 15, and the head of the entire lock bolt 12 is located in the wear-resistant portion 13, whereby the head of the lock bolt 12 is protected in the wear-resistant portion 13. The locking bolt 12 is not easy to contact with materials, so that the locking bolt 12 is not easy to wear and loosen, and the covered wear-resisting part 13 of the lining plate body 1 protects the locking bolt.
Referring to fig. 5 and 6, the lining plate body 1 and the widening plate 2 are provided with clamping holes 16 corresponding to the fixing holes 4, the axes of the clamping holes 16 are consistent with the axes of the corresponding fixing holes 4, the diameters of the clamping holes 16 are consistent with the outer diameter of the wear-resistant portion 13, and when the fixing portion 14 is inserted into the fixing holes 4, the bottom end of the wear-resistant portion 13 is clamped in the clamping holes 16. So that when the alloy ring body 11 is mounted on the backing plate body 1 and the widening plate 2, the joint of the wear-resistant portion 13 and the fixing portion 14 is protected in the snap-fit hole 16, whereby the alloy ring body 11 is not easily damaged.
Referring to fig. 4 and 7, the locking bolt 12 is a hexagon socket head cap screw, a welding block 18 is welded in the head of the locking bolt 12, the height of the welding block 18 exceeds the wear-resistant portion 13, and the welding height of the welding block 18 can reach 20 mm. After the alloy ring body 11 is fixed on the lining plate body 1 by the locking bolt 12, the head of the locking bolt 12 is filled with the welding block 18, the welding block 18 is formed by surfacing welding of a welding wire mainly made of wear-resistant chromium, molybdenum or niobium, the welding block 18 is preferentially contacted with the wear-resistant part 13, so that the wear of the wear-resistant part 13 is reduced by the welding block 18, the service life of the wear-resistant part 13 is prolonged, and the processing cost is saved.
Referring to fig. 6, in order to facilitate the insertion of the fixing portion 14 into the fixing hole 4, the outer edge of the bottom end of the fixing portion 14 is provided with a radius 17.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a pore structure build-up welding piece welt which characterized in that: the lining plate comprises a lining plate body (1), wherein the cross section of the lining plate body (1) is arc-shaped, arc-shaped widening plates (2) are fixed on two opposite sides of the lining plate body (1), the axes of the two widening plates (2) are consistent with the axis of the lining plate body (1), the two widening plates (2) are located at one end of the lining plate body (1), a cross beam (3) is arranged between the two widening plates (2), and two ends of the cross beam (3) are respectively fixed on the upper sides of the two widening plates (2);
a plurality of fixing holes (4) are formed in the surfaces of the lining plate body (1) and the widening plate (2), and wear-resistant pieces are arranged in the fixing holes (4).
2. The pore structure overlaying block liner plate according to claim 1, wherein: the lining plate body (1) is formed by splicing a plurality of sections of mounting plates (5), and the two widening plates (2) are only located on one end of each mounting plate (5).
3. The pore structure overlaying block liner plate according to claim 2, wherein: the two opposite sides of the mounting plate (5) are fixed with ear plates (6).
4. The pore structure overlaying block liner plate according to claim 1, wherein: the wear-resistant piece is a welding block (18), the welding block (18) is welded and filled in the fixing hole (4), and the height of the welding block (18) exceeds the fixing hole (4).
5. The pore structure overlaying block liner plate according to claim 4, wherein: the thickness of the lining plate body (1) is 80-100 mm.
6. The pore structure overlaying block liner plate according to claim 5, wherein: the central angle of the lining plate body (1) is 120-140 degrees, and the central angle of an arc-shaped surface formed by the widening plate (2) and the lining plate body (1) is 150-170 degrees.
7. A blast furnace distributing chute is characterized in that: including chute body (7) and a pore structure build-up welding piece welt as in claim 1-6, the cross-section of chute body (7) is circular-arc, just the medial surface of chute body (7) agrees with the lateral surface of welt body (1), many weld grooves (8) have been seted up along its circumference to the inboard of chute body (7), it has welding rod (9) to build-up weld in weld groove (8), welt body (1) passes through welding rod (9) are fixed chute body (7) are inboard.
8. The blast furnace distribution chute of claim 7, wherein: arc-shaped barrier strips (10) are fixed at two ends of the chute body (7), and the thickness of the barrier strips (10) is smaller than that of the lining plate body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921408794.XU CN210856176U (en) | 2019-08-27 | 2019-08-27 | Pore structure build-up welding piece welt and blast furnace distribution chute |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921408794.XU CN210856176U (en) | 2019-08-27 | 2019-08-27 | Pore structure build-up welding piece welt and blast furnace distribution chute |
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| CN210856176U true CN210856176U (en) | 2020-06-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921140A (en) * | 2021-01-26 | 2021-06-08 | 武汉楚光布料溜槽制造有限公司 | Blast furnace distributing chute and processing technology thereof |
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2019
- 2019-08-27 CN CN201921408794.XU patent/CN210856176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921140A (en) * | 2021-01-26 | 2021-06-08 | 武汉楚光布料溜槽制造有限公司 | Blast furnace distributing chute and processing technology thereof |
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