Flushing device for mud outlet of centrifugal machine

Abstract

The flushing device for the sludge outlet of the centrifugal machine comprises a centrifugal machine body, a connecting plate and a recycling water tank, a sludge outlet baffle ring is arranged at the sludge outlet of the centrifugal machine body, a flushing spray head is fixedly connected to the surface of the sludge outlet baffle ring, and a flushing water pipe is fixedly arranged at a water inlet of the flushing spray head in a sleeved mode. The other end of the flushing water pipe is connected with a manual valve, and the other end of the manual valve is connected with a plant pressure water pipe; a connecting plate is welded to the bottom of a sludge outlet of the centrifugal machine body, sliding grooves are formed in the two sides of the front face of the connecting plate along the back face, a recycling water tank is arranged at the top of the connecting plate, and sliding rods are arranged on the two sides of the bottom of the recycling water tank and slidably connected to the sliding grooves in an embedded mode. The device is used for cleaning accumulated sludge at the sludge outlet of the centrifugal machine, eliminating the sludge accumulation condition of the baffle ring at the sludge outlet, reducing the abrasion of a rotary drum of the centrifugal machine, prolonging the service life of equipment and reducing the maintenance cost of a water plant, and has certain practicability.

Description

Technical Field

[0001] This utility model relates to the field of centrifuge technology, specifically to a centrifuge mud outlet flushing device. Background Technology

[0002] According to the new Solid Waste Law and the "Technical Specifications for Sludge Treatment and Disposal in Waterworks," the sludge generated in the water treatment process should have a moisture content of no more than 60% after dewatering. In a normal water treatment process, the sludge entering the balancing tank has a moisture content of about 3%. After adding PAM (Polymer Acetate Ammonium Dioxide) and separating the solid sludge from the liquid supernatant using a sedimentation centrifuge, solid sludge with a moisture content of 72%-75% is obtained. This solid sludge is then further dried to a moisture content of less than 60% using a high-pressure belt dryer.

[0003] With the introduction of new technology (high-pressure belt drying equipment) and process adjustments, the failure rate of centrifuges—a key piece of equipment in the intermediate centrifugal dewatering stage—has increased, mainly due to excessive vibration and abnormal noise. The cause is abnormal wear of the internal drum, leading to dynamic imbalance. Further investigation revealed sludge accumulation at the solid sludge discharge port, causing friction between the internal drum and the accumulated sludge during operation. The existing maintenance and cleaning cycle is insufficient to meet the cleaning requirements, resulting in abnormal wear on the outer wall of the drum. Each cleaning process requires opening the centrifuge cover, which is time-consuming and labor-intensive. Replacing the drum is also expensive. Utility Model Content

[0004] The purpose of this invention is to provide a centrifuge sludge outlet flushing device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A centrifuge sludge outlet flushing device includes a centrifuge body, a connecting plate, and a recovery water tank. A sludge outlet retaining ring is provided at the sludge outlet of the centrifuge body. A flushing nozzle is fixedly connected to the surface of the sludge outlet retaining ring. A flushing water pipe is fixedly sleeved at the water inlet of the flushing nozzle. The other end of the flushing water pipe is connected to a manual valve. The other end of the manual valve is connected to a plant pressure water pipe.

[0007] A connecting plate is welded to the bottom of the sludge outlet of the centrifuge body. Sliding grooves are opened on both sides of the front of the connecting plate along the back. A recycling water tank is provided on the top of the connecting plate. Sliding rods are provided on both sides of the bottom of the recycling water tank. The sliding rods are slidably connected to the sliding grooves.

[0008] Preferably, a plug is engaged at the starting end of the chute, and the other end of the plug is in contact with the front of the recycling tank.

[0009] Preferably, the front surface of the block is provided with a blocking plate, the back surface of the blocking plate is in contact with the front surface of the connecting plate, and the blocking plate and the connecting plate are connected through fixing bolts.

[0010] Preferably, the rear end of the sliding groove is provided with a clamping groove, the clamping groove is connected with a clamping block in a clamping mode, and the front surface of the clamping block is fixedly connected to the back surface of the sliding rod.

[0011] Compared with the prior art, the centrifuge mud outlet flushing device has the advantages that:

[0012] The centrifuge mud outlet flushing device can clean the accumulated mud of the centrifuge mud outlet, eliminate the accumulated mud of the mud outlet blocking ring, reduce the wear of the centrifuge drum, prolong the service life of the equipment, reduce the maintenance cost of the water plant, and has certain practicality.

[0013] The centrifuge mud outlet flushing device is provided with a connecting plate at the bottom of the centrifuge body at the mud outlet, and a recovery water tank is arranged above the connecting plate. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front plane structure schematic view of the centrifuge mud outlet flushing device;

[0015] Figure 2 It is a front plane structure schematic view of the centrifuge mud outlet flushing device;

[0016] Figure 3 It is a centrifuge body and recovery water tank connection structure schematic view of the centrifuge mud outlet flushing device;

[0017] Figure 4 It is a connecting plate structure schematic view of the centrifuge mud outlet flushing device;

[0018] Figure 5 It is a recovery water tank structure schematic view of the centrifuge mud outlet flushing device.

[0019] In the figure: 1, mud outlet blocking ring; 2, flushing nozzle; 3, flushing water pipe; 4, manual valve; 5, plant pressure water pipe; 6, centrifuge body; 7, connecting plate; 701, sliding groove; 702, clamping groove; 8, recovery water tank; 801, sliding rod; 802, clamping block; 9, block; 10, blocking plate. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0022] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] Please refer to Figures 1-5 The present application provides a technical scheme:

[0024] A centrifuge mud outlet flushing device, comprising a centrifuge body 6, a connecting plate 7, a recovery water tank 8, a mud outlet of the centrifuge body 6 is provided with a mud outlet blocking ring 1, the surface of the mud outlet blocking ring 1 is fixedly connected with a flushing nozzle 2, the flushing nozzle 2 is fixedly sleeved with a flushing water pipe 3 at the water inlet, the other end of the flushing water pipe 3 is connected with a manual valve 4, the other end of the manual valve 4 is connected with a factory pressure water pipe 5;

[0025] The bottom of the mud outlet of the centrifuge body 6 is welded with the connecting plate 7, the connecting plate 7 is provided with a sliding groove 701 on the front side along the back, the top of the connecting plate 7 is provided with the recovery water tank 8, the bottom of the recovery water tank 8 is provided with a sliding rod 801 on both sides, and the sliding rod 801 is embedded and slidingly connected at the sliding groove 701.

[0026] Further, the starting end of the sliding groove 701 is connected with a plug 9 in a clamping manner, and the other end of the plug 9 is in contact with the front side of the recovery water tank 8.

[0027] Furthermore, a blocking plate 10 is provided on the front of the blocking block 9, and the back of the blocking plate 10 is in contact with the front of the connecting plate 7. The blocking plate 10 and the connecting plate 7 are connected by fixing bolts.

[0028] Furthermore, a slot 702 is provided at the rear end of the slide 701, and a locking block 802 is engaged with the slot 702. The front of the locking block 802 is fixedly connected to the back of the slide rod 801.

[0029] Working principle: After the centrifuge body 6 finishes running each day, it enters the cleaning mode. The manual valve 5 is opened manually to flush the inner ring of the mud outlet baffle ring 1 with plant pressure water. The mud and water condition at the mud outlet is observed. If no brown mud and water flows out, the flushing is qualified. The manual valve 5 is then closed to end the flushing.

[0030] During the rinsing process, the wastewater generated will flow into the recycling tank 8, such as... Figure 3 As shown, the length of the recycling tank 8 is much greater than the width of the centrifuge body 6. During the rinsing process, the water flow on both sides of the mud outlet baffle ring 1 can perfectly enter the recycling tank 8 to recycle the wastewater. After rinsing, the fixing bolts at the block plate 10 are removed, and then the block block 9 and block plate 10 assembly is removed. After removal, the worker manually moves the recycling tank 8 to remove it from the slide trough 701. Then, the bottom sliding rod 801 of the new recycling tank 8 is aligned with the slide trough 701, and then the recycling tank 8 is moved to the back of the slide trough 701. After the sliding rod 801 moves to the back of the slide trough 701, the locking block 802 on the back of the sliding rod 801 will engage with the locking slot 702. Then, the block block 9 and block plate 10 are reinstalled in their original positions for easy use next time.

[0031] The wastewater inside the recycling tank 8 can be used according to the actual needs of the factory. During use, the wastewater is not wasted, which reflects the concept of environmental protection that is currently being advocated.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A centrifuge sludge outlet flushing device, comprising a centrifuge body (6), a connecting plate (7), and a recovery water tank (8), characterized in that: The centrifuge body (6) is provided with a mud outlet baffle ring (1) at the mud outlet. A flushing nozzle (2) is fixedly connected to the surface of the mud outlet baffle ring (1). A flushing water pipe (3) is fixedly sleeved at the water inlet of the flushing nozzle (2). The other end of the flushing water pipe (3) is connected to a manual valve (4). The other end of the manual valve (4) is connected to a plant pressure water pipe (5). A connecting plate (7) is welded to the bottom of the mud outlet of the centrifuge body (6). The connecting plate (7) has sliding grooves (701) on both sides of the front and back. A recycling water tank (8) is provided on the top of the connecting plate (7). Sliding rods (801) are provided on both sides of the bottom of the recycling water tank (8). The sliding rods (801) are fitted and slidably connected to the sliding grooves (701).

2. The centrifuge sludge outlet flushing device according to claim 1, characterized in that: The chute (701) is connected to a plug (9) at the beginning end, and the other end of the plug (9) is in contact with the front of the recycling tank (8).

3. A centrifuge sludge outlet flushing device according to claim 2, characterized in that: The blocking block (9) has a blocking plate (10) on its front side. The back side of the blocking plate (10) is in contact with the front side of the connecting plate (7). The blocking plate (10) and the connecting plate (7) are connected by fixing bolts.

4. A centrifuge sludge outlet flushing device according to claim 1, characterized in that: The rear end of the slide (701) is provided with a slot (702), and the slot (702) is engaged with a block (802). The front of the block (802) is fixedly connected to the back of the slide rod (801).

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