Grinding medium washs separator and overflow pipe
Technical Field
The utility model relates to the technical field of grinding equipment, in particular to a grinding medium cleaning and separating device and an overflow pipe.
Background
When the vertical grinder works, the internal grinding blades, the grinding disc, the cylinder liner and the like are worn, and the grinding disc, the cylinder liner and the like are required to be replaced after being worn to a certain degree. When the vertical grinder is overhauled, the grinding medium and slurry in the vertical grinder are required to be discharged, and the inside of the cylinder is cleaned, so that the vulnerable parts can be inspected and replaced.
The existing method is to connect the grinding medium and slurry in the cylinder out by a container (ton bag, grinding medium tank or pit), and to add the grinding medium into the vertical grinder again after the maintenance of the vertical grinder is completed. In this process, the grinding media needs to be rinsed to rinse off the slurry adhering to the grinding media.
The utility model provides a grinding medium washs recovery unit that current cleaning equipment is as the one that current patent publication number CN206184842U showed, it includes box, screw conveyer and spray pipe, be equipped with the feed inlet on the lateral wall of box, the feed inlet is connected with grinding equipment's sand discharge mouth through quick connect hose, grinding medium gets into the box from the feed inlet, grinding medium is carried on the line by helical blade drive, spray pipe spun water washs grinding medium, sewage flows when depositing the position to the overflow mouth in the box. The overflow port arranged on the box body is of a fixed structure, and the height of the overflow port is not adjustable, so that the adjustment of the overflow height of the sewage liquid level cannot be realized, and the use requirements of other working conditions cannot be met.
Disclosure of utility model
The utility model aims to provide a grinding medium cleaning and separating device capable of realizing the height adjustment of the sewage liquid level, which has wider application range.
The technical scheme is that the grinding medium cleaning and separating device comprises a sand washer, wherein the sand washer comprises a box body, one end of the box body is provided with a feed inlet, and the other end of the box body is provided with a discharge outlet.
In the scheme, the overflow pipe is additionally arranged, the inlet height of the overflow pipe is adjustable, so that the height of the liquid level in the box body can be adjusted, different requirements are met, and the applicability is better.
Preferably, the overflow pipe comprises a mounting pipe, a connecting pipe, an elbow pipe, a straight pipe and a rubber pipe which are sequentially connected, wherein the straight pipe penetrates through the side wall of the box body, so that part of the straight pipe and the rubber pipe are arranged outside the box body, the top of the mounting pipe forms the inlet, and one end, far away from the straight pipe, of the rubber pipe forms the outlet.
Preferably, the mounting pipe is in threaded connection with a connecting pipe, the connecting pipe is in threaded connection with an elbow pipe, and the elbow pipe is in threaded connection with a straight pipe.
Preferably, the straight pipe comprises a first pipe and a second pipe, one end of the first pipe is provided with external threads for being connected with the bent pipe, the other end of the first pipe is provided with a first flange, one end of the second pipe is provided with a second flange, the outer circular surface of the other end of the second pipe is provided with a clamping thorn for clamping the rubber pipe, the first flange is connected with the second flange in a butt joint mode, and the first pipe penetrates through the box body.
Preferably, the grinding medium cleaning and separating device further comprises a flushing device, the flushing device comprises a flushing cover, a first flushing pipe, a second flushing pipe, a valve and a nozzle, a flushing port is formed in the side wall of the box body, a discharge port is formed in the discharging port, the flushing cover is installed at the flushing port, the first flushing pipe is installed in the flushing cover, a plurality of nozzles are arranged on one side, facing the flushing port, of the first flushing pipe, the second flushing pipe is connected with a first flushing pipe and an external water source outside the box body, and the valve is arranged on the second flushing pipe.
Preferably, the sand washer further comprises a screw machine arranged in the box body, and a screw shaft on the screw machine is rotationally connected with the side wall of the box body provided with the feeding hole through a machine sealing device.
Preferably, the mechanical sealing device comprises a mechanical sealing seat sleeved on the side wall of the box body and a mechanical sealing cover connected to the outer side surface of the mechanical sealing seat, a screw shaft on the screw machine penetrates out of the mechanical sealing seat and the mechanical sealing cover, and mechanical sealing is arranged inside the mechanical sealing seat and the mechanical sealing cover and is adaptive to the screw shaft.
Preferably, sealing rings are arranged between the machine sealing seat and the screw shaft, between the machine sealing cover and the screw shaft, between the mechanical seal and the machine sealing seat and between the machine sealing seat and the machine sealing cover.
Preferably, the screw machine comprises a screw shaft and blades spirally rotating on the screw shaft, and a plurality of holes are circumferentially formed in the blades.
The utility model also provides an overflow pipe, which comprises a mounting pipe, a connecting pipe, an elbow pipe, a straight pipe and a rubber pipe which are sequentially connected, wherein the mounting pipe is in threaded connection with the connecting pipe, so that the mounting height of the mounting pipe on the connecting pipe can be adjusted.
Compared with the related art, the utility model has the beneficial effects that:
1. The overflow pipe is additionally arranged, and the mounting height of the mounting pipe at the upper end of the overflow pipe on the connecting pipe is adjustable, so that the height adjustment of the liquid level in the box body can be realized, different requirements can be met, and the applicability is better;
2. The overflow pipes are connected through threads, so that on one hand, the assembly and the disassembly are convenient, and on the other hand, the height adjustment is simpler;
3. The structure of the mechanical seal device is optimized, the dynamic seal of a screw shaft on a screw machine is realized, the leakage risk of the sand washer during working is reduced, and the clean and sanitary of the field environment is ensured;
4. The spiral blade with holes can effectively reduce the water carrying amount in the grinding medium and provide guarantee for subsequent bagging.
Drawings
FIG. 1 is a schematic view of a grinding media cleaning and separating device according to the present utility model;
FIG. 2 is a schematic view of the internal structure of FIG. 1;
FIG. 3 is a schematic structural view of an overflow pipe;
FIG. 4 is an enlarged partial schematic view of the mounting of the mechanical seal;
fig. 5 is a schematic view of the structure of a single blanking plate forming the blades of the screw.
In the drawings, 1, a sand washer, 11, a box body, 12, a feed inlet, 13, a discharge outlet, 14, a screw machine, 141, a screw shaft, 142, blades, 143, holes, 2, a movable trolley, 21, a universal wheel, 3, a connecting support, 4, a flushing device, 41, a flushing cover, 42, a first flushing pipe, 43, a second flushing pipe, 44, a valve, 45, a spray head, 5, a feed pipeline, 6, an overflow pipe, 61, a mounting pipe, 62, a connecting pipe, 63, an elbow pipe, 64, a straight pipe, 641, a first pipe, 642, a second pipe, 643, an external thread, 644, a first flange plate, 645, a second flange plate, 646, a bayonet, 65, a rubber pipe, 66, a hoop, 67, an inlet, 68, an outlet, 7, a sealing device, 71, a sealing seat, 72, a sealing cover, 73, a mechanical seal, 74, a sealing ring, 75 and a fastener.
Detailed Description
The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. For convenience of description, the words "upper", "lower", "left" and "right" are used hereinafter to denote only the directions corresponding to the upper, lower, left, and right directions of the drawings, and do not limit the structure.
As shown in fig. 1 and 2, the polishing medium cleaning and separating device provided in this embodiment includes a sand washer 1, a movable trolley 2, a connection support 3, a flushing device 4, a feeding pipeline 5, an overflow pipe 6 and a mechanical sealing device 7.
The bottom of the movable trolley 2 is provided with universal wheels 21, the top of the movable trolley is provided with a connecting support 3, and the sand washer 1 is arranged at the top of the connecting support 3 and is inclined.
The sand washer 1 comprises a box 11, a feed inlet 12, a discharge outlet 13 and a screw 14. The screw 14 includes a screw shaft 141 and a blade 142 spirally wound around the screw shaft 141. The blades 142 are formed by splicing a plurality of blanking plates as shown in fig. 5, and three holes 143 are circumferentially arranged on each blanking plate, so that a channel for sewage to flow down is formed on the blades 142.
The screw 14 is rotatably disposed in the box 11, and two ends of a screw shaft 141 of the screw 14 penetrate through a side wall of the box 11 and are mounted on the connection support 3 through a mounting seat, an end cover and an internally-arranged bearing respectively. The lower end of the screw shaft 141 is rotatably connected with the side wall of the box 11 through the mechanical sealing device 7, and the upper end of the screw shaft 141 is positioned at the end part outside the box 11 and is in driving connection with a motor.
The lower extreme of box 11 of slope forms the sand washing groove, and the volume of sand washing groove is greater than the volume of upper end box 11, and the sand washing groove is used for feeding and holds sewage, set up feed inlet 12 on the lateral wall of sand washing groove, and set up overflow pipe 6 in the sand washing groove. The feeding port 12 is connected with a feeding pipeline 5 which is communicated with a sand outlet of the grinding machine. A discharge hole 13 is formed in the side wall of the bottom of the upper end of the box body 11, and a discharge pipe is arranged on the discharge hole 13. A flushing port is formed in the side wall of the top of the upper end of the box body 11.
The flushing device 4 comprises a flushing hood 41, a first flushing pipe 42, a second flushing pipe 43, a valve 44 and a spray head 45. The flushing hood 41 is mounted at the flushing port. The first flushing pipe 42 is installed in the flushing hood 41, and a plurality of spray heads 45 are arranged on one side of the first flushing pipe 42 facing the flushing port. The second flushing pipe 43 is L-shaped, the first flushing pipe 42 is connected to an external water source outside the tank 11, and the valve 44 is provided on the second flushing pipe 43.
As shown in fig. 3, the overflow pipe 6 includes a mounting pipe 61, a connecting pipe 62, a bent pipe 63, a straight pipe 64, and a rubber pipe 65, which are sequentially connected. The side wall of the sand washing tank is provided with a through hole for the straight pipe 64 to pass through. The top of the mounting tube 61 forms the inlet 67 and the end of the rubber tube 65 remote from the straight tube 64 forms the outlet 68. The height of the inlet 67 is higher than or equal to the height of the outlet 68 (when the elbow is rotated to the horizontal direction).
The mounting pipe 61 is in threaded connection with the connecting pipe 62, the connecting pipe 62 is in threaded connection with the bent pipe 63, and the bent pipe 63 is in threaded connection with the straight pipe 64. The height of the upper surface of the installation tube 61 can be adjusted in a spiral manner by the connecting tube 62 and the installation tube 61 which are in threaded connection, thereby realizing the adjustment of the liquid level height in the sand washing tank.
In order to further facilitate the assembly and disassembly of the overflow pipe 6, the straight pipe 64 includes a first pipe 641 and a second pipe 642. One end of first tube 641 is provided with external threads 643 for connecting with bent tube 63, the other end of first tube 641 is provided with a first flange 644, one end of second tube 642 is provided with a second flange 645, the outer circular surface of the other end of second tube 642 is provided with a clamping thorn 646 for clamping rubber tube 65, and first flange 644 is in butt joint connection with second flange 645. First tube 641 penetrates through a through-hole in tank 11, and first tube 641 is welded to tank 11 (as shown in fig. 3). The straight pipe 64 is a seamless steel pipe. The rubber tube 65 is provided with a hoop 66 on the outer circular surface of the bayonet 646. A part of the first tube 641, the second tube 642 and the rubber tube 65 are disposed outside the tank 11 for discharging the sewage in the sand washing tank to other places such as a trench.
As shown in fig. 4, the mechanical seal device 7 includes a mechanical seal seat 71 sleeved on a side wall of the box 11, and a mechanical seal cover 72 connected to an outer side surface of the mechanical seal seat 71 through bolts, the screw shaft 141 on the screw machine 14 penetrates out of the mechanical seal seat 71 and the mechanical seal cover 72, and mechanical seals 73 are arranged inside the mechanical seal seat 71 and the mechanical seal cover 72, and the mechanical seals 73 are adapted to the screw shaft 141. The machine seal 71 is connected with the side wall of the box 11 through a fastener 75, and the fastener 75 comprises a sealing gasket, a bolt, a flat gasket and the like.
Sealing rings 74 are provided between the seal seat 71 and the screw shaft 141, between the seal cover 72 and the screw shaft 141, between the mechanical seal 73 and the seal seat 71, and between the seal seat 71 and the seal cover 72.
When the device works, the motor drives the screw shaft 141 to rotate, and grinding media and slurry enter the sand washing groove of the box body 11 from the feed inlet 12, and the grinding media and slurry can be primarily washed and separated due to water in the sand washing groove. The primarily cleaned grinding medium is driven by the blades 142 to gradually move upwards under the rotation of the screw shaft 141, meets the water sprayed by the spray nozzle 45 at the position of the spray nozzle 45, further washes out slurry particles adhered on the grinding medium, and the washed slurry particles and sewage flow downwards from the holes 143 and gaps on the blades 142, return to the lower part of the box 11 and flow into a trench through the overflow pipe 6. The cleaned grinding medium continues to move upwards and enters the ton bag from the discharge hole 13 to be stored for the next recycling.
The grinding medium separation device is an auxiliary device of the vertical grinding machine, when the vertical grinding machine needs to be overhauled, the grinding medium in the grinding machine and slurry are cleaned and separated, and then the grinding medium is manually bagged for subsequent use. Especially when the vertical grinding machine needs to be shut down for three years of overhaul, the cleaning and separating device can effectively clean and separate grinding media, and the grinding media can be directly put into the sand adding device for use after water is filtered, so that the labor intensity and time of manual cleaning can be reduced, and convenience is brought to maintenance of the vertical grinding machine.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.