CN211275053U

CN211275053U - Sediment washing unit that arranges of dish separator

Info

Publication number: CN211275053U
Application number: CN201921250518.5U
Authority: CN
Inventors: 肖海; 蔡海; 郑加州; 胡敏; 闫媛媛
Original assignee: CSSC Nanjing Luzhou Machine Co Ltd
Current assignee: CSSC Nanjing Luzhou Machine Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-08-18
Anticipated expiration: 2029-08-05

Abstract

The utility model relates to a sediment washing unit is arranged to dish formula separating centrifuge, including setting up in the ring pipe of rotary drum row cinder notch top, be equipped with the sparge water import on the ring pipe, and the system has a plurality of water jet along ring pipe evenly distributed on the ring pipe. The utility model has the advantages of simple design, easy realization and obvious effect, and can effectively prevent the discharge from accumulating in the gap between the rotary drum and the machine body, thereby solving the problem that the accumulation locks the rotary drum.

Description

Sediment washing unit that arranges of dish separator

Technical Field

The utility model relates to a sediment washing unit and method of dish formula separating centrifuge, specific sediment washing method of arranging who uses dish formula separating centrifuge that says so to reduce solid sediment discharge caking and embrace the risk of rotary drum to guarantee the reliable normal steady operation of separating centrifuge, belong to separating centrifuge and wash technical field.

Background

The disc separator is a high-speed sedimentation centrifuge, which can rapidly and effectively separate the mixture of liquid and solid at high rotating speed and strong centrifugal force, and is widely used in the industries of ships, food, medicine, chemical industry, textile, environmental protection and the like due to the high-efficiency separation. In the prior art, for general materials, as the rotating speed of the rotary drum is higher, the solid-phase residue discharged from a residue discharge port of the rotary drum flies away from the rotary drum along with the rotation of the rotary drum at about 200m/s, enters a solid-phase residue flow channel of a separator and is rarely accumulated inside and outside the rotary drum. However, for a specific material (for example, a material with a relatively high viscosity), a part (also called scum, generally comprising a mixture of solid and heavy phase liquid or a mixture of solid and liquid phase) discharged through a scum outlet after separation is easy to agglomerate and form a jelly with a very high viscosity when contacting with air after being discharged from the scum outlet of the rotary drum. When discharged, the discharged materials are easy to accumulate inside and outside the drum, and the drum of the separator is blocked and cannot work normally, so that the separator stops due to abnormal faults. For the separation of the materials, the conventional disc separator with the automatic slag discharging function, which meets the requirements of the continuous production process, cannot be used for processing, and only the low-efficiency disc separator with the manual slag removal function can be used for processing, the separator needs to be stopped to disassemble the rotary drum of the separator every time the separator works for a period of time (generally 0.5-3 hours), the accumulated slag in the rotary drum is manually removed, and the loading machine recovers to start up again, so that the working efficiency of the separator is extremely low, and the labor intensity of workers is extremely high.

For a long time, people generally consider that the reason for abnormal shutdown of the separator is the blockage in the rotary drum, and the accumulated slag in the rotary drum and at a slag discharge port needs to be cleaned after shutdown. However, we find that the main reason for the abnormal shutdown of the separator drum is that the jelly with high viscosity discharged from the slag discharge port is hung on the inner edge of the machine body flow channel and the vicinity of the slag discharge port of the drum, namely, the jelly is hung between the moving and static parts near the slag discharge port of the drum, so that as the slag discharge frequency increases, the accumulation of the jelly between the moving and static parts near the slag discharge port of the drum increases, the gap between the drum and the machine body is blocked, the drum of the separator is locked, and the abnormal fault shutdown of the separator occurs. Therefore, aiming at the separation of the materials, the disc separator with the automatic slag discharging function, which meets the requirements of the continuous production process, can be popularized and used on the materials as long as the problem of the accumulation of the colloidal slag between the movable and static parts at the slag discharging opening is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: aiming at the defects in the prior art, the slag discharging and flushing device and method for the disc separator are provided, the device is simple and ingenious in design, and when the discharge of a slag discharging port is high-viscosity and easily-accumulated colloidal materials, the phenomenon that the rotary drum is locked by accumulation objects caused by accumulation of the discharge objects in a gap between the rotary drum and a machine body and cannot work can be effectively reduced or prevented.

In order to achieve the above purpose, the utility model provides a sediment washing unit is arranged to dish separating centrifuge, including setting up in the ring pipe of rotary drum row cinder notch top, be equipped with the sparge water import on the ring pipe, and the system has a plurality of hole for water sprayings along ring pipe evenly distributed on the ring pipe.

The utility model discloses a on the outer upper portion of row's cinder notch, design a ring pipe of fixing on separating centrifuge frame or cover, according to certain direction (just to near rotary drum and fuselage clearance department) design a plurality of hole for water sprayings of arranging along the ring pipe on the ring pipe, a ring pipe design draws forth the water inlet outside the machine, can insert the flushing liquid of pressure water or area during the use.

Further, the water spray holes are arranged towards the gap between the rotary drum and the separator body.

Further, the washing water inlet is cylindrical and tubular, and can be led out of the separator.

Further, the washing water inlet is arranged to be a bent pipe type.

Furthermore, the washing water inlet is connected with a washing water source with pressure through a washing water inlet pipeline. The pressure of the washing water is generally 0.1MPa to 1 MPa.

Furthermore, a washing control execution module is arranged on the washing water inlet pipeline and connected with a PLC arranged in the electric control box.

Furthermore, the flushing control execution module comprises a flushing valve arranged on a flushing water inlet pipeline, and the flushing valve is connected with the PLC.

Further, the annular tube is mounted on the separator frame or cover.

Furthermore, one circle or two circles of water spraying holes are arranged on the annular pipe, each circle is provided with 8-36 holes, and the diameter of each hole is 1-5 mm.

The utility model has the advantages of simple design, easy realization and obvious effect, and can effectively prevent the discharge from accumulating in the gap between the rotary drum and the machine body, thereby solving the problem that the accumulation locks the rotary drum.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the slag discharge flushing device of the separator of the present invention.

Fig. 2 is a schematic structural view of the slag discharge and flushing control system of the separator of the present invention.

Fig. 3 is a schematic structural diagram of the middle separation assembly of the present invention.

Fig. 4 is a schematic structural diagram of the drum of the present invention.

In the figure: 1. the slag-fixing flow passage comprises a slag-fixing flow passage, 2, a gap between a rotary drum and a machine body, 3, a spraying direction of a washing head, 4, a water spraying hole, 5, an annular pipe, 6, a washing water inlet, 7, the rotary drum, 8, a separator cover, 9, a separator machine body, 10, a slag discharging port, 11, an electric control box, 12, a frequency converter, 13, a PLC, 14, a motor, 15, a separator main body, 16, a feeding and discharging control execution module, 17, a sealed slag discharging control execution module, 18, a washing control execution module, 19, a motor, 20, a machine frame, 21, a vertical shaft system, 701, a rotary drum cover, 702, a rotary drum body, 703, a distributor, 704, a disc and 705 a piston.

Detailed Description

Example one

A disc separator structurally comprises a motor 19, a frame 20, a vertical shaft system 21 and a rotary drum 7, wherein the frame 20 consists of a machine body and a cover, the rotary drum 7 is arranged in the frame 20 and is arranged on the vertical shaft system 21, and the vertical shaft system 21 is connected with the motor 19. As shown in fig. 4, the drum 7 is composed of a drum cover 701, a drum body 702, a distributor 703, discs 704 and a piston 705, the drum cover 701 is fixed on the drum body 702, the piston 705 and the distributor 703 are sequentially arranged in the drum cover 701 on the drum body 702 from bottom to top, and a group of discs 704 is arranged around the distributor 703.

As shown in figures 1 and 2, the slag discharging and flushing device of the disc separator comprises an annular pipe 5 arranged above a rotary drum slag discharging port 10, wherein the annular pipe 5 is arranged on a separator body 9 or a separator cover 8. The annular pipe 5 is provided with a washing water inlet 6, one circle or two circles of water spray holes 4 are uniformly distributed along the annular pipe 5, each circle is provided with 8-36 water spray holes 4, and the diameter of each water spray hole 4 is 1-5 mm. The water spray holes 4 are arranged towards the gap 2 between the rotary drum and the machine body. The washing water inlet 6 is in a cylindrical tubular shape, the washing water inlet 6 can also be arranged in a bent pipe shape, the washing water inlet 6 can be led out of the separator and is arranged outside the separator, the washing water inlet 6 is connected with a washing water source with pressure through a washing water inlet pipeline, and the pressure of the washing water is generally 0.1 MPa-1 MPa. A washing control execution module 18 is arranged on the washing water inlet pipeline, and the washing control execution module 18 is connected with the PLC 13 arranged in the electric control box 11. The flushing control execution module 18 comprises a flushing valve arranged on a flushing water inlet pipeline, and the flushing valve is connected with the PLC 13.

In addition, the control system of dish formula separating centrifuge includes electrical control box 11, be provided with converter 12 and PLC 13 in the electrical control box 11, converter 12 connects motor 14, PLC 13 connects business turn over material control execution module 16 respectively, wash control execution module 18 and sealed row sediment control execution module 17, business turn over material control execution module 16 is including installing the feed valve on material feed pipe and installing the discharge valve on light phase discharge pipe, feed valve, discharge valve all links to each other with PLC 13, material feed pipe connects the material import that sets up on separating centrifuge main part 15, light phase discharge pipe connects the light phase export that sets up on separating centrifuge main part 15. The sealed residue discharge control execution module 17 includes a residue discharge water inlet valve installed on a residue discharge water pipeline connected to a sealed residue discharge water inlet provided on the separator main body 15.

As shown in fig. 1, in the separation process, the separator continuously separates solid slag in the material, the solid slag is accumulated in a slag accumulation cavity outside the disc 704, the solid slag accumulation and the material boundary line move towards the central axis direction along with the increase of the accumulated solid slag, when the boundary line moves to be close to the edge of the disc 704, a slag discharge procedure is automatically or manually executed through an electric control box 11 to realize the slag discharge action, the accumulated slag in the rotary drum 7 is discharged through a slag discharge port 10, most of the discharged material enters a solid slag flow channel 1 of the machine body and then flows out of the machine body, and due to the action of gravity, rebound and the like, a small part of the discharged material reaches a gap 2 between the rotary drum and the machine body, so that flushing water or flushing liquid needs to be sprayed to the gap. As shown in fig. 2, when the separator is actually operated, in order to save washing water (or washing liquid), the washing valve does not need to be continuously opened all the time, but the washing valve of the washing control execution module 18 is opened 3-10 seconds before deslagging each time through a PLC 13 program in the electric control box 11, so that the washing water (or washing liquid) before deslagging is sprayed to the clearance 2 between the rotary drum and the machine body to wet the metal surface near the clearance and reduce the metal surface adhesive capacity of the clearance 2 between the rotary drum and the machine body, and then the PLC 13 executes deslagging action to perform deslagging. In the slag discharging process, flushing water (or flushing liquid) is always sprayed towards the position 2 close to the gap between the rotary drum and the machine body, all the discharged materials can normally flow into the solid slag flow channel 1 along with flushing water liquid after the slag discharging process is finished, then, after the discharged materials are discharged out of the machine, slag discharging needs about 5-30 seconds, and finally, a flushing valve is closed. This is very effective in preventing (or reducing) the problem of build-up of effluent at the drum-to-body gap 2 which could cause the build-up to lock the drum 7.

In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims

1. The utility model provides a sediment washing unit is arranged to dish separator which characterized in that: including setting up the ring pipe in rotary drum row cinder notch top, be equipped with the sparge water import on the ring pipe, the sparge water import links to each other with the washing water source of taking pressure through the sparge water inlet line, and system has a plurality of hole for water sprayings along ring pipe evenly distributed on the ring pipe, the hole for water sprayings is towards the clearance arrangement between rotary drum and the separating centrifuge fuselage.

2. The deslagging washing device of the disc separator as set forth in claim 1, wherein: the washing water inlet is cylindrical and tubular, and can be led out of the separator.

3. The deslagging washing device of the disc separator as set forth in claim 1, wherein: the washing water inlet is arranged to be a bent pipe type.

4. The deslagging washing device of the disc separator as set forth in claim 1, wherein: and a flushing control execution module is arranged on the flushing water inlet pipeline and is connected with a PLC (programmable logic controller) arranged in the electrical control box.

5. The deslagging washing device of the disc separator as set forth in claim 4, wherein: the flushing control execution module comprises a flushing valve arranged on a flushing water inlet pipeline, and the flushing valve is connected with the PLC.

6. The deslagging washing device of the disc separator as set forth in claim 1, wherein: the annular tube is mounted on the separator frame or cover.

7. The deslagging washing device of the disc separator as set forth in claim 1, wherein: one circle or two circles of water spray holes are arranged on the annular pipe, each circle is provided with 8-36 holes, and the diameter of each hole is 1-5 mm.