CN220378955U - Wear-resisting check valve of slag granulation equipment - Google Patents
Wear-resisting check valve of slag granulation equipment Download PDFInfo
- Publication number
- CN220378955U CN220378955U CN202321595758.5U CN202321595758U CN220378955U CN 220378955 U CN220378955 U CN 220378955U CN 202321595758 U CN202321595758 U CN 202321595758U CN 220378955 U CN220378955 U CN 220378955U
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- Prior art keywords
- wear
- valve
- resistant
- slag
- resisting
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- 239000002893 slag Substances 0.000 title claims abstract description 53
- 238000005469 granulation Methods 0.000 title claims description 11
- 230000003179 granulation Effects 0.000 title claims description 11
- 238000007789 sealing Methods 0.000 claims description 13
- 230000008676 import Effects 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 31
- 239000000203 mixture Substances 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010992 reflux Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 description 10
- 238000003466 welding Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Sliding Valves (AREA)
Abstract
The utility model relates to the technical field of wear-resistant valves, in particular to a wear-resistant check valve of slag granulating equipment, which comprises a valve plate assembly, a wear-resistant valve outlet flange, a wear-resistant valve box body and a wear-resistant valve inlet flange, wherein the valve plate assembly is arranged in the wear-resistant valve box body; when the granular slag-water mixture is transported, the valve plate assembly is opened, the slag-water mixture is effectively transported through the valve, normal production requirements are met, when the slag-water return pump device stops running, the valve plate is guaranteed to be in a closed state by means of self weight and the reflux force of the slag-water mixture, the slag-water mixture is guaranteed not to flow back to the slag-water return pump device, and the wear-resistant check valve is simple in structure, easy to maintain, low in cost and long in service cycle.
Description
Technical Field
The utility model relates to the technical field of wear-resistant valves, in particular to a wear-resistant check valve of slag granulating equipment.
Background
When each period of smelting in the metallurgical furnace is finished, the high-temperature slag after innocent treatment is discharged from the furnace. The traditional disposal method is to cool the waste slag after being discharged into a slag flushing tank. After cooling, the slag is loaded by adopting a travelling crane, and slag-water separation is carried out in the loading process, so that on-site water vapor is large in this way, on-site operation sight is seriously influenced, great potential safety hazards are brought, no separation device is used for slag-water, water resource waste, energy waste such as unorganized throwing and the like and environmental protection hidden hazards are caused in the transportation process. After improvement, the water-slag separation problem can be fundamentally solved by using slag granulating equipment. However, in the actual operation process of the slag granulating system, due to the particularities of slag components, slag granularity and the like in the metallurgical lead smelting industry, the check valve is easy to wear in the process of transporting granular slag-water mixture.
At present, the wear-resistant check valve in the market is high in price, the internal structure of the wear-resistant check valve is complex, a spring, a rubber gasket and other buffer structures are generally arranged, the check valve is damaged too quickly in the use process due to the particularity of a slag-water mixture in the metallurgical industry, the maintenance frequency is increased, and the problems that the purchase time period is long, the maintenance is difficult, the purchase cost is high and the like exist in damaged parts such as imported rubber and other accessories are solved.
Disclosure of Invention
The utility model provides a wear-resistant check valve of slag granulating equipment, which aims to solve the problems of complex internal structure, quick wear, high maintenance frequency and difficult maintenance of the existing check valve for transporting slag-water mixtures in the metallurgical industry.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
the wear-resistant check valve of slag granulating equipment comprises a wear-resistant valve outlet flange, a wear-resistant valve box body and a wear-resistant valve inlet flange which are communicated with each other, wherein the wear-resistant valve box body is arranged between the wear-resistant valve outlet flange and the wear-resistant valve inlet flange, the wear-resistant check valve also comprises a valve plate assembly, the valve plate assembly is arranged in the wear-resistant valve box body, the valve plate assembly comprises a valve plate, two first rib plates and a second rib plate, the diameter of the valve plate is larger than the inner diameter of a pipeline of the wear-resistant valve inlet flange, the two first rib plates are parallelly fixed to the upper surface of the valve plate, the fixing mode can be welding, the second rib plate is arranged between the two first rib plates, the bottom surface of the second rib plate is fixed on the upper surface of the valve plate, the fixing mode can be welding, and one ends of the two first rib plates are provided with round holes; the bottom surface of the wear-resistant valve box body is fixed with a rotating shaft base, and the fixing mode can be welding; the rotating shaft base is rotationally connected with the two first rib plates through a rotating shaft; the bottom surface of the wear-resistant valve box body is also fixed with a valve opening limiting part, the fixing mode can be welding, and the valve opening limiting part limits the rotation angle of the valve plate relative to the bottom surface of the valve box body.
Further, the number of the second rib plates is at least 2, the bottom surfaces of the second rib plates are fixed on the upper surface of the valve plate, and the strength of the valve plate assembly can be increased by arranging 2 or more than 2 second rib plates.
Further, the maximum rotation angle of the valve plate relative to the bottom surface of the wear-resistant valve box body is smaller than 90 degrees, the greater the rotation angle is, the higher the efficiency of transporting the slag-water mixture is, but when the rotation angle of the valve plate exceeds 90 degrees, the slag-returning pump device stops running, and the valve plate cannot be in a closed state by means of the weight of the valve plate and the reflux force of the slag-water mixture.
Further, the thickness of the valve plate is 3mm-30mm.
Further, the lower part of the valve opening limiting part is a cuboid, and the upper part of the valve opening limiting part is a right-angle trapezoid body, so that the contact surface of the valve plate and the valve opening limiting part is a plane as much as possible, and abrasion is reduced.
Further, the wear-resistant inner liner layer of the valve is arranged on the inner wall of the wear-resistant valve box body, so that the wear resistance of the inner wall of the wear-resistant valve box body can be enhanced.
Further, when the valve plate rotates to the maximum angle relative to the bottom surface of the wear-resistant valve box body, the bottom surface of the second rib plate fixed on the upper surface of the valve plate is higher than the valve opening limiting piece, so that the second rib plate is ensured not to be in contact with the valve opening limiting piece.
Further, wear-resisting valve access cover is offered to one side of wear-resisting valve box, bolt fixed connection between wear-resisting valve access cover and the wear-resisting valve box, through dismantling the bolt after, can maintain the inside of valve.
Further, set up sealed pad between wear-resisting valve access cover and the wear-resisting valve box, wear-resisting valve access cover and wear-resisting valve box contact one side is offered and is sealed to fill up the groove, and sealed pad inslot sets up sealed pad, and sealed pad's thickness is greater than sealed pad groove's thickness, prevents that the sediment water mixture from leaking through the clearance of wear-resisting valve access cover and wear-resisting valve box in the in-process of transportation.
Through the technical scheme, the utility model has the beneficial effects that:
the utility model provides a wear-resistant check valve of slag granulating equipment, which is provided with a valve plate assembly, when granular slag-water mixture is transported, a valve plate rotates by taking a rotating shaft as an axle center, the valve plate is opened until one surface of the valve plate connected with a second rib plate abuts against a valve opening limiting part, the valve plate stops rotating, the slag-water mixture is effectively transported through the valve, and the normal production requirement is met. The valve opening limiting piece limits the valve plate to rotate relative to the bottom surface of the wear-resistant valve box body to open at an angle smaller than 90 degrees, when the slag return pump device stops running, the valve plate is guaranteed to be in a closed state by means of self weight and the backflow force of the slag water mixture, and the slag water mixture is guaranteed not to flow back to the slag return pump device. The valve is also provided with a wear-resistant valve access hole, and when the valve needs maintenance or repair, the valve can be subjected to daily maintenance or repair by disassembling the fixedly connected bolts. The utility model provides a wear-resistant check valve of slag granulating equipment, which has the advantages of simple structure, simple maintenance, low cost and long service cycle.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model;
FIG. 2 is a schematic view of the mounting location of the present utility model in use;
FIG. 3 is a schematic view of a valve plate assembly of the present utility model;
FIG. 4 is a top view of FIG. 1 of the present utility model;
FIG. 5 is a schematic cross-sectional view of the AA section of FIG. 4 of the present utility model;
FIG. 6 is a schematic illustration of a maximum valve plate opening and valve opening limit of the valve plate assembly of the present utility model;
FIG. 7 is a schematic illustration of the valve plate assembly of the present utility model with the valve plate closed and the valve opening limited;
fig. 8 is an overall schematic of the present utility model.
The reference numerals in the drawings are: 1 is a wear-resistant valve, 2 is a water slag pond, 3 is a slag returning pump outlet pipeline, 4 is a slag returning pump, 5 is a slag returning pump base, 6 is a slag returning pump inlet pipeline, 7 is a wear-resistant valve outlet flange, 8 is a wear-resistant valve access cover, 9 is a wear-resistant valve box, 10 is a wear-resistant valve inlet flange, 11 is a valve wear-resistant lining layer, 12 is a valve plate assembly, 13 is a valve opening limiting piece, 14 is a wear-resistant valve access inlet bolt hole, 15 is a rotating shaft, 16 is a rotating shaft base, 1201 is a valve plate, 1202 is a first rib plate, and 1203 is a second rib plate.
Detailed Description
The utility model is further described with reference to the drawings and detailed description which follow:
as shown in fig. 1 to 8, the wear-resistant check valve of the slag granulating equipment comprises a wear-resistant valve outlet flange 7, a wear-resistant valve box body 9, a wear-resistant valve inlet flange 10 and a wear-resistant valve box body 9 which are communicated with each other, wherein the wear-resistant valve outlet flange 7 and the wear-resistant valve inlet flange 10 are arranged between the wear-resistant valve inlet flange 10 and the wear-resistant valve outlet flange 7; the bottom in the wear-resistant valve box body 9 is provided with a valve plate assembly 12, and the valve plate assembly 12 comprises a valve plate 1201, two first rib plates 1202 and a second rib plate 1203; the diameter of the valve plate 1201 is larger than the inner diameter of the pipeline of the abrasion-resistant valve inlet flange 10, and when the slag return pump 4 stops working, the valve plate 1201 can be ensured to completely seal the inner diameter of the pipeline of the abrasion-resistant valve inlet flange 10; the two first rib plates 1202 are fixed on the upper surface of the valve plate 1201 in parallel, the fixing mode can be welding, the second rib plate 1203 is fixed between the two first rib plates 1202, the fixing mode can be welding, and one ends of the two first rib plates 1202 are provided with round holes; the bottom surface of the second rib plate 1203 is fixed on the upper surface of the valve plate 1201, and the fixing manner may be welding; the number of the second rib plates 1203 is at least 2, and as shown in fig. 1, 2 second rib plates 1203 are provided in the embodiment; the bottom surface of the wear-resistant valve box body 9 is fixed with a rotating shaft base 16, and the fixing mode can be welding; the rotating shaft base 16 is rotatably connected with the two first rib plates 1202 through a rotating shaft 15, and the rotating connection mode can be a rotating connection mode commonly used in the field, such as bearing connection; the bottom surface of the wear-resistant valve box body 9 is also fixed with a valve opening limiting piece 13, and the fixing mode can be welding; the valve opening limiting piece 13 limits the rotation angle of the valve plate 1201 relative to the bottom surface of the wear-resistant valve box 9; when one surface of the valve plate 1201 connected with the first rib plate 1202 is propped against the valve opening limit 13, the valve plate 1201 is at the maximum opening angle, and the valve plate 1201 stops rotating; the upper part of the valve opening limiting part 13 presents a right-angle trapezoid, and the lower part presents a cuboid, so that the contact surface of the valve plate 1201 and the valve opening limiting part 13 is a plane as much as possible, and the abrasion is reduced; when the valve plate 1201 rotates to the maximum angle relative to the bottom surface of the abrasion-resistant valve box 9, the bottom surface of the second rib plate 1203 is higher than the valve opening limiting piece 13, and a gap is formed between the second rib plate 1203 and the valve opening limiting piece 13. When the return slag pump 4 is not in operation, the valve plate 1201 closes the valve by its own weight and the return force of the slag water mixture, ensuring that the slag water mixture above the wear-resistant valve does not return to the return slag pump outlet conduit 3.
As an alternative embodiment, the maximum rotation angle of the valve plate 1201 relative to the bottom surface of the wear-resistant valve housing 9 is less than 90 °, preferably 75 °, 80 ° or 85 °, so as to ensure that the check valve can be stably closed when no slag-water mixture is transported.
As an embodiment, the thickness of the valve plate 1201 is 3mm-30mm, preferably 10mm, 15mm or 20mm.
As an implementation manner, the inner wall of the abrasion-resistant valve box 9 is provided with a layer of abrasion-resistant lining layer 11, and the abrasion-resistant material NM400 is preferably used to enhance the abrasion resistance of the inner wall of the abrasion-resistant valve box.
As an implementation manner, one side of the wear-resistant valve box body 9 is provided with a wear-resistant valve access cover 8 and a wear-resistant valve access inlet bolt hole 14, the wear-resistant valve access cover 8 is fixedly connected with the wear-resistant valve box body 9 through bolts, a sealing gasket is arranged between the wear-resistant valve access cover 8 and the wear-resistant valve box body 9, one side of the wear-resistant valve access cover 8, which is in contact with the wear-resistant valve box body 9, is provided with a sealing gasket groove, the sealing gasket is arranged in the sealing gasket groove, the thickness of the sealing gasket is larger than that of the sealing gasket groove, and liquid in a slag-water mixture is prevented from leaking through gaps of the wear-resistant valve access cover and the wear-resistant valve box body.
When the slag water pump is used, the slag water mixture in the slag water tank 2 flows to the slag return pump inlet pipeline 6, and flows to the slag return pump outlet pipeline 3 under the thrust of the slag return pump 4 fixed on the slag return pump base 5, when the valve plate 1201 receives upward thrust, the valve plate 1201 rotates by taking the rotating shaft 15 as the center of a circle, and when the rotating angle of the valve plate 1201 relative to the bottom surface of the wear-resistant valve box 9 is maximum (the maximum rotating angle can be 75 DEG, 80 DEG and 85 DEG), the slag water mixture can be effectively transported through the wear-resistant valve 1, so that the normal production requirement is met. When the slag return pump 4 stops running, the baffle plate assembly 12 realizes sealing by means of self gravity and the reflux force of the slag water mixture, so that the wear-resistant valve 1 is in a closed state, and the slag water mixture is ensured not to flow back to the slag return pump 4. In this embodiment, the valve plate 1201, the two first rib plates 1202, the second rib plates 1203, the valve wear-resistant inner liner 11, the valve opening limiter 13 and the rotating shaft base 16 are preferably made of NM400, and the wear-resistant valve housing 9 is made of cast iron.
The above-described embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, so that all equivalent changes or modifications of the structure, characteristics and principles described in the claims should be included in the scope of the present utility model.
Claims (9)
1. The utility model provides a wear-resisting check valve of slag granulation equipment, including wear-resisting valve export flange (7), wear-resisting valve box (9) and wear-resisting valve import flange (10) of intercommunication, wear-resisting valve box (9) set up between wear-resisting valve export flange (7) and wear-resisting valve import flange (10), a serial communication port, still include valve plate subassembly (12), valve plate subassembly (12) set up in wear-resisting valve box (9), valve plate subassembly (12) include valve plate (1201), two first gusset (1202) and second gusset (1203), the diameter of valve plate (1201) is greater than the pipeline internal diameter of wear-resisting valve import flange (10), two first gusset (1202) are parallel to be fixed to the upper surface of valve plate (1201), set up second gusset (1203) between two first gusset (1202) are fixed, the bottom surface of second gusset (1203) is fixed at valve plate (1201) upper surface, the round hole is all seted up to one end of two first gusset (1202); a rotating shaft base (16) is fixed on the bottom surface of the wear-resistant valve box body (9), and the rotating shaft base (16) is rotationally connected with the two first rib plates (1202) through a rotating shaft (15); the bottom surface of wear-resisting valve box (9) still is fixed with valve aperture locating part (13), and valve aperture locating part (13) limit valve plate (1201) relative wear-resisting valve box (9) bottom surface's rotation angle.
2. The wear check valve of a slag granulation apparatus of claim 1, wherein the second web (1203) is at least 2.
3. A wear-resistant check valve for slag granulation equipment according to claim 1, characterized in that the maximum rotation angle of the valve plate (1201) with respect to the bottom surface of the wear-resistant valve housing (9) is less than 90 °.
4. A wear resistant check valve for slag granulation equipment according to claim 1, characterized in that the thickness of the valve plate (1201) is 3-30 mm.
5. The wear-resistant check valve of slag granulation equipment according to claim 1, wherein the lower part of the valve opening limiting part (13) is a cuboid, and the upper part is a right-angle trapezoid.
6. The wear-resistant check valve of slag granulation equipment according to claim 1, wherein a valve wear-resistant lining layer (11) is arranged on the inner wall of the wear-resistant valve box (9).
7. The wear-resistant check valve of slag granulation equipment according to claim 1, wherein when the valve plate (1201) rotates to a maximum angle relative to the bottom surface of the wear-resistant valve box (9), the bottom surface of the second rib plate (1203) is higher than the valve opening limiting part (13).
8. The wear-resistant check valve of slag granulation equipment according to claim 1, wherein a wear-resistant valve access cover (8) is arranged on one side of the wear-resistant valve box body (9), and the wear-resistant valve access cover (8) is fixedly connected with the wear-resistant valve box body (9) through bolts.
9. The wear-resistant check valve of slag granulation equipment according to claim 8, wherein a sealing gasket is arranged between the wear-resistant valve access cover (8) and the wear-resistant valve box body (9), a sealing gasket groove is formed in one side, which is contacted with the wear-resistant valve box body (9), of the wear-resistant valve access cover (8), a sealing gasket is arranged in the sealing gasket groove, and the thickness of the sealing gasket is larger than that of the sealing gasket groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321595758.5U CN220378955U (en) | 2023-06-21 | 2023-06-21 | Wear-resisting check valve of slag granulation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321595758.5U CN220378955U (en) | 2023-06-21 | 2023-06-21 | Wear-resisting check valve of slag granulation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378955U true CN220378955U (en) | 2024-01-23 |
Family
ID=89563905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321595758.5U Active CN220378955U (en) | 2023-06-21 | 2023-06-21 | Wear-resisting check valve of slag granulation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378955U (en) |
-
2023
- 2023-06-21 CN CN202321595758.5U patent/CN220378955U/en active Active
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