Multi-cyclone set underflow box structure and repairing method
By using a high-alumina ceramic structure and a removable buffer plate in the underflow box of the multi-cyclone group, and using waste belts for repair, the problem of wear and leakage of the underflow box is solved, and efficient maintenance and cost savings of the equipment are achieved.
Patent Information
- Application Number
- CN202411222515.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-01-21
AI Technical Summary
The bottom flow box of the multicyclone group is easily impacted and worn and leaked when dealing with ore slurry, resulting in equipment shutdown, and the existing technology is difficult to effectively solve this problem.
A multi-cyclone group bottom flow box structure is designed, which uses a high-alumina ceramic structure as the inner lining bottom wall, and is provided with removable buffer plates and partitions along the bottom. The bottom is provided with an overlapping belt structure through bonding, and utilizes Used belts are repaired.
Through this structure and repair method, the wear resistance and corrosion resistance of the underflow box are significantly improved, the on-site repair process is simplified, the work time is short, the cost is saved, and the equipment shutdown is avoided.
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Figure CN119327634A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of multi-cyclone, and in particular relates to an underflow box structure of a multi-cyclone group and a repair method. Background Art
[0002] The cyclone is the main equipment for mineral classification in the mineral processing industry. When processing a large amount of slurry, a ring-shaped cyclone group will be used. The cyclone group mainly consists of an inlet, a distributor, a valve, a cyclone, an overflow box, an underflow box, etc. The slurry enters the distributor through the cyclone feed pump, and the distributor feeds it to the cyclone. Through the action of gravity and hydraulic force, the smaller particles enter the overflow box, and the larger particles enter the underflow box, which causes the underflow box to be impacted, worn, and leaked, causing the equipment to stop production.
[0003] In view of the above factors, a multi-cyclone group underflow box structure and repair method are provided, which have simple structure, convenient operation, short working hours, and can utilize waste belts of the selection plant to save costs. Summary of the invention
[0004] The object of the present invention is to provide a multi-cyclone group underflow box structure and a repair method to solve the problems raised in the above background technology.
[0005] The objective of the present invention is achieved through the following technical solutions: a multi-cyclone group underflow box structure, comprising a cyclone group, an underflow box is arranged at the lower end of the cyclone group, the inner wall of the underflow box is lined with a high-aluminum ceramic structure, a detachable buffer plate is arranged along the bottom of the underflow box, and the buffer plate is arranged at intervals with the underflow box;
[0006] The underflow box is arranged obliquely, and the buffer plate is arranged in sections along the oblique manner of the underflow box;
[0007] The bottom of the underflow box is provided with an overlapping belt structure by bonding and fixed by bolts.
[0008] Furthermore, the high-aluminum ceramic structure adopts a high-aluminum ceramic plate arranged on the inner wall of the underflow box.
[0009] Furthermore, the buffer plate is arranged in parallel with the underflow box, and trapezoidal grooves are arranged on the buffer plate, and the trapezoidal grooves are arranged at intervals.
[0010] Furthermore, the end of the trapezoidal groove on the buffer plate is arranged in an arc-shaped structure, and the end of the trapezoidal groove is lower than the starting end of the trapezoidal groove.
[0011] Furthermore, the buffer plate is disposed inside the underflow box between the multiple cyclone groups.
[0012] Furthermore, a partition plate is provided at intervals in the underflow box, and the partition plate is detachably installed in the underflow box;
[0013] The partition plate is provided with flow diversion holes at intervals at a position one third upward from the bottom.
[0014] Furthermore, the overlapping belt structure is arranged in a single-layer or double-layer structure.
[0015] A method for repairing a multi-cyclone group underflow box structure comprises the following steps:
[0016] The first step is to shut down the power supply to the mine pump of the cyclone, test the electricity, and put up the sign;
[0017] The second step is to grind, clean and dry the bottom plate of the cyclone group underflow box;
[0018] The third step is to select the waste belt and cut 4-6 pieces of belts of corresponding size according to the size of the bottom plate of the underflow box, with each side 200-300mm larger, and clean the surface of the belt and blow dry it;
[0019] Step 4: Apply cold patch glue on the cyclone underflow box, wait for the cold patch glue to cool for 20 minutes, lay the cut waste first belt, and cut a hole slightly larger than the lower mine opening at the lower mine opening;
[0020] Step 5: Lay the second belt and the third belt, and press the second belt and the third belt 200-300mm away from the edge of the first belt;
[0021] Step 6: Lay the fourth belt, and press the second and third belts 200-300mm on both sides of the fourth belt;
[0022] Step 7: Use cold glue to glue the overlapped parts, punch holes in the belt and use countersunk bolts to fix them, and use wear-resistant material to protect the bolt heads;
[0023] Step 8. Use a hand hammer to hammer all the belts where they overlap with the bottom plate of the underflow box and the belts to make the rubber surface fit completely. It can be used after cooling for 20 minutes.
[0024] Compared with the prior art, the present invention has the following beneficial effects:
[0025] The invention has a simple structure, is used for on-site repair of the bottom plate of the cyclone underflow box, has short working hours, uses simple tools, is convenient to operate, has short working hours, can utilize waste belts of the selection plant, and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a three-dimensional schematic diagram of the present invention;
[0027] Figure 2 It is a schematic diagram of the underflow box of the present invention;
[0028] Figure 3 It is a schematic diagram of the underflow box of the present invention having a buffer plate;
[0029] Figure 4 is a schematic diagram of a buffer plate of the present invention;
[0030] Figure 5 Schematic diagram of the partition plate of the present invention. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0033] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention. Specific embodiment one:
[0035] like Figure 1-5 As shown, a multi-cyclone group underflow box structure comprises a cyclone group 1, an underflow box 2 is arranged at the lower end of the cyclone group 1, the inner wall of the underflow box 2 is lined with a high-aluminum ceramic structure 3, a detachable buffer plate 4 is arranged along the bottom of the underflow box 2, and the buffer plate 4 is arranged at an interval with the underflow box 2;
[0036] The underflow box 2 is arranged obliquely, and the buffer plate 4 is arranged in sections along the underflow box 2 in an inclined manner;
[0037] The bottom of the underflow box 2 is provided with an overlapping belt structure 5 by bonding and fixed by bolts.
[0038] In order to facilitate the use of the high-aluminum ceramic material of the lining to increase the wear resistance and corrosion resistance of the underflow box, the high-aluminum ceramic structure 3 is arranged on the inner wall of the underflow box 2 using a high-aluminum ceramic plate.
[0039] For the convenience of use, the buffer plate 4 is arranged in parallel with the underflow box 2, and the buffer plate 4 is provided with trapezoidal grooves 6, and the trapezoidal grooves 6 are arranged at intervals.
[0040] In order to reduce the influence of gravity on the edge when in use and the possibility of splashing in the underflow box, the end of the trapezoidal groove 6 on the buffer plate 4 is lowered in the underflow box and an arc structure is adopted, and the end of the trapezoidal groove 6 is lower than the starting end of the trapezoidal groove 6.
[0041] The buffer plate 4 is disposed inside the underflow box 2 between the multi-cyclone groups.
[0042] The underflow box 2 is provided with partition plates at intervals, and the partition plates are detachably installed in the underflow box 2 . The partition plates 7 are provided with diversion holes at intervals 7 one-third of the way from the bottom to the top.
[0043] The overlapping belt structure 5 is arranged in a single-layer or double-layer structure. Specific embodiment 2:
[0045] A method for repairing a multi-cyclone group underflow box structure is characterized by comprising the following steps:
[0046] The first step is to shut down the power supply to the mine pump of the cyclone, test the electricity, and put up the sign;
[0047] The second step is to grind, clean and dry the bottom plate of the cyclone group underflow box;
[0048] The third step is to select the waste belt and cut 4-6 pieces of belts of corresponding size according to the size of the bottom plate of the underflow box, with each side 200-300mm larger, and clean the surface of the belt and blow dry it;
[0049] Step 4: Apply cold patch glue on the cyclone underflow box, wait for the cold patch glue to cool for 20 minutes, lay the cut waste first belt, and cut a hole slightly larger than the lower mine opening at the lower mine opening;
[0050] Step 5: Lay the second belt and the third belt, and press the second belt and the third belt 200-300mm away from the edge of the first belt;
[0051] Step 6: Lay the fourth belt, and press the second and third belts 200-300mm on both sides of the fourth belt;
[0052] Step 7: Use cold glue to glue the overlapped parts, punch holes in the belt and use countersunk bolts to fix them, and use wear-resistant material to protect the bolt heads;
[0053] Step 8. Use a hand hammer to hammer all the belts where they overlap with the bottom plate of the underflow box and the belts to make the rubber surface fit completely. It can be used after cooling for 20 minutes.
[0054] The positioning and installation holes of the buffer plate 4 are reserved when the belt is bonded and fixed.
[0055] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.
[0056] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A multi-cyclone group underflow box structure, comprising a cyclone group (1), characterized in that: An underflow box (2) is arranged at the lower end of the cyclone group (1), the inner wall of the underflow box (2) is lined with a high-aluminum ceramic structure (3), a detachable buffer plate (4) is arranged along the bottom of the underflow box (2), and the buffer plate (4) is spaced apart from the underflow box (2); The underflow box (2) is arranged obliquely, and the buffer plate (4) is arranged in sections along the underflow box (2) in an inclined manner; The bottom of the underflow box (2) is provided with an overlapping belt structure (5) by bonding and is fixed by bolts.
2. The multi-cyclone group underflow box structure according to claim 1, characterized in that: The high-aluminum ceramic structure (3) is provided on the inner wall of the underflow box (2) using a high-aluminum ceramic plate.
3. The multi-cyclone group underflow box structure according to claim 2, characterized in that: The buffer plate (4) is arranged in parallel with the underflow box (2), and the buffer plate (4) is provided with trapezoidal grooves (6), and the trapezoidal grooves (6) are arranged at intervals.
4. The multi-cyclone group underflow box structure according to claim 3 is characterized in that: The end of the trapezoidal groove (6) on the buffer plate (4) is arranged in an arc-shaped structure, and the end of the trapezoidal groove (6) is lower than the starting end of the trapezoidal groove (6).
5. The multi-cyclone group underflow box structure according to claim 4, characterized in that: The buffer plate (4) is disposed inside the underflow box (2) between the multiple cyclone groups.
6. The multi-cyclone group underflow box structure according to claim 5, characterized in that: A partition plate (7) is arranged at intervals in the underflow box (2), and the partition plate (7) is installed in the underflow box (2) in a detachable manner; The partition plate (7) is provided with flow diversion holes at intervals one third of the way up from the bottom.
7. The multi-cyclone group underflow box structure according to claim 6, characterized in that: The overlapping belt structure (5) is arranged in a single-layer or double-layer structure.
8. The method for repairing the underflow box structure of a multi-cyclone group according to any one of claims 1 to 7, characterized in that: The steps include: The first step is to shut down the power supply to the mine pump of the cyclone, test the electricity, and put up the sign; The second step is to grind, clean and dry the bottom plate of the cyclone group underflow box; The third step is to select the waste belt and cut 4-6 pieces of belts of corresponding size according to the size of the bottom plate of the underflow box, with each side 200-300mm larger, and clean the surface of the belt and blow dry it; Step 4: Apply cold patch glue on the cyclone underflow box, wait for the cold patch glue to cool for 20 minutes, lay the cut waste first belt, and cut a hole slightly larger than the lower mine opening at the lower mine opening; Step 5: Lay the second belt and the third belt, and press the second belt and the third belt 200-300mm away from the edge of the first belt; Step 6: Lay the fourth belt, and press the second and third belts 200-300mm on both sides of the fourth belt; Step 7: Use cold glue to glue the overlapped parts, punch holes in the belt and use countersunk bolts to fix them, and use wear-resistant material to protect the bolt heads; Step 8. Use a hand hammer to hammer all the belts where they overlap with the bottom plate of the underflow box and the belts to make the rubber surface fit completely. It can be used after cooling for 20 minutes.