CN206518926U - A kind of rotary mud discharging device - Google Patents

Abstract

The utility model discloses a rotary mud discharge device, which comprises a settling tank and a mud discharge device arranged in the settling tank. The mud discharge device includes a mud suction device, a mud pipe, a mud pipe, a mud pipe, a mud pump and a rotary drive mechanism. The rotary driving mechanism includes a base arranged at the center of the settling tank, a driving motor fixed on the base, and a rotating shaft driven by a belt with the driving motor. The mud delivery pipe is arranged at intervals on the rotating shaft, one end of the mud delivery pipe is connected to the sediment conduit, and the other end is connected to the mud delivery main pipe through the rotating shaft. A mud discharge valve is arranged on the mud delivery main pipe, and the mud delivery main The sand pump is connected, and the dredger is arranged under the sand conduit. The utility model adds a rotary drive mechanism in the settling tank, through the rotation of the rotary drive mechanism, the area of the mud suction device to absorb sand and sludge is increased, and the sand can be effectively discharged out of the settling tank, and it is convenient to use and install, and has a novel structure , strong practicability, suitable for large-scale popularization and application.

Description

A rotary mud discharge device

technical field

The utility model relates to the technical field of sludge discharge, in particular to a rotary sludge discharge device.

Background technique

At present, all key industries in China will discharge oily sewage in the production process, which contains a large amount of sediment, suspended solids and other impurities. During the sewage settling process, due to the action of gravity, the silt, suspended solids and other impurities in the oily sewage will settle to the bottom of the tank by gravity to form the bottom sludge of the settling tank. This part of the sludge component has little effect on the system in a short time after it settles.

Adding flocculants in the process of oily sewage treatment can make the particles, suspended solids and other impurities in the oily sewage flocculate to form larger flocs and settle down. After accumulating to a certain height in the settling tank, they may enter the filter with the settled effluent at any time. System, this part of flocs is very harmful to the sewage treatment system, they can form a vicious cycle of sewage treatment, seriously affecting water quality treatment.

Therefore, the sludge discharge problem of the settling tank is a systematic problem. The existing sludge discharge technology cannot effectively discharge the sludge at the bottom of the settling tank. Discharging the sludge in the settling tank will not only seriously affect the settling effect of sewage, but also increase the workload of maintenance workers.

【Content of utility model】

The purpose of this utility model is to effectively overcome the deficiencies of the above-mentioned technologies, to provide a device that can effectively reduce environmental pollution and reduce labor intensity, and is suitable for installation in oily sewage settling tanks, settling tanks and other containers for removing bottom settled sludge. Rotary mud discharge device.

To achieve this purpose, the utility model adopts the following technical solutions: a rotary mud discharge device, including a settling tank, and it also includes a mud discharge device arranged in the settling tank; the mud discharge device includes a mud suction device, a mud Sand conduit, mud delivery main pipe, mud delivery pipe, sediment pump, and a rotary drive mechanism; the rotary drive mechanism includes a base set at the center of the settling tank, a drive motor fixed on the base, and a rotating drive driven by the drive motor. shaft; the rotating shaft is provided with the mud delivery pipe at intervals, one end of the mud delivery pipe is connected to the sediment conduit, and the other end is connected to the mud delivery main pipe through the rotating shaft, and the mud delivery main pipe is provided with a mud discharge valve. The mud main pipe is connected with the sand pump, and the mud suction device is set under the sand pipe; when the mud discharge valve is opened and the sand pump is started, the rotary drive mechanism at the center of the settling tank rotates, and the sludge at the bottom is pumped by the suction pipe. The sludge is sucked and discharged out of the settling tank through the mud suction pipe, mud pipe, mud main pipe and mud discharge valve.

Wherein, a liquid circulation device is also provided in the settling tank; the liquid circulation device includes a suction pipe, a liquid pump, a liquid inlet conduit, and a liquid distribution pipe; the liquid suction pipe is provided with a liquid valve, and the liquid suction pipe passes through The liquid pump is connected with the liquid inlet conduit; the liquid distribution pipe is arranged along the inner circumference of the settling tank and connected with the liquid inlet conduit, and several liquid distribution ports are opened on the liquid distribution pipe.

Wherein, the rotating shaft is provided with a rotating disc; the liquid suction pipe is provided with a collection and infusion pipe, and the collection and infusion pipe is arranged in parallel above the mud transportation pipe and rotates around the mud transportation main pipe by rotating coils; With jet valve.

Wherein, the mud suction pipe is provided with a mud suction chamber, the mud suction chamber is located above the dredge and connected with the collection liquid pipe; the liquid collection pipe is provided with a nozzle; the nozzle is arranged in the mud suction chamber, and the nozzle is provided with through hole.

Wherein, the mud suction device includes four suction cups that are correspondingly arranged downwards.

The beneficial effect of the utility model is that: the utility model adds a rotary drive mechanism in the settling tank, through the rotation of the rotary drive mechanism, the area where the mud suction device absorbs sand and sludge is increased, and the liquid circulation device circulates the liquid into the settling tank At the bottom of the settling tank, a vortex effect is generated at the bottom of the settling tank, thereby stirring the sediment at the bottom, and pushing the unabsorbed sediment, sludge and other impurities into the vicinity of the suction cup, which is beneficial to the sediment pump to remove the sediment, sludge and other sediment The slurry is pumped away, and at the same time, the vortex generated in the settling tank can separate some unseparated mixed liquid in the settling tank again. The utility model improves the working efficiency of the silt pump, can effectively discharge the silt out of the settling tank, has low production cost, novel structure, convenient use and installation, strong practicability, and is suitable for wide application.

【Description of drawings】

Fig. 1 is a schematic diagram of a structural embodiment of the present utility model;

Fig. 2 is a schematic diagram of a structural embodiment of the utility model rotary drive mechanism;

Fig. 3 is a schematic diagram of a structural embodiment of the mud suction device of the present invention.

In the figure: mud discharge device 1, rotary drive mechanism 2, liquid circulation device 3, settling tank 4, mud suction chamber 5, suction cup 6, mud suction device 11, sediment conduit 12, mud transport main pipe 13, mud transport pipe 14, Sediment pump 15, mud discharge valve 16, driving motor 21, rotating shaft 22, rotating disk 23, suction pipe 31, liquid pump 32, liquid inlet conduit 33, liquid valve 34, liquid distribution pipe 35, liquid distribution port 36, Infusion tube 37, nozzle 38, jet valve 39, through hole 40.

【detailed description】

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Fig. 1 to Fig. 3, a kind of rotary mud discharge device comprises settling tank 4, and it also comprises the mud discharge device 1 that is arranged in the settling tank 4; Described mud discharge device 1 comprises mud suction device 11, Sediment conduit 12, mud conveying main pipe 13, mud conveying pipe 14, sediment pump 15, and rotary drive mechanism 2; said rotary drive mechanism 2 includes a base arranged at the center of the settling tank, and a drive motor 21 fixed on the base And the rotating shaft 22 with the driving motor 21 belt transmission; the rotating shaft 22 is provided with the described mud delivery pipe 14 at intervals, one end of the mud delivery pipe 14 is connected with the sediment conduit 12, and the other end is connected with the mud delivery main pipe 13 through the rotating shaft 22 , the mud delivery main pipe 13 is provided with a mud discharge valve 16, the mud delivery main pipe 13 is connected with the sand pump 15, and the mud suction device 11 is arranged under the sand pipe 12; when the mud discharge valve 16 is opened and the sand pump is started At 15:00, the rotary drive mechanism 2 at the center of the settling tank 4 rotates, and the sludge at the bottom is sucked by the mud suction device 11 and discharged through the mud suction pipe 12, mud pipe 14, mud pipe 15 and mud discharge valve 16. Cans 4 outside. Wherein, the lower diameter of the rotating shaft 22 is provided with a gear outside, and the gear installed on the extension shaft of the driving motor 21 transmits motion through the meshing of the transmission belt. The upper end of the rotating shaft 22 is engaged with the main mud pipe 13, and a sealing ring is installed at the joint, and the hollow structure rotating shaft 22 can be engaged with the main mud pipe 13 to rotate; The bearing seat is connected in rotation, the rotating shaft of the hollow structure passes through and is fixed on the inner circle of the bearing, the bearing is fixed on the inner wall of the bearing seat and closely fits, the bearing seat is fixedly connected with the mud delivery main pipe 13, and the mud delivery main pipe 13 communicates with the rotating shaft. The driving motor 21 drives the rotary shaft 22 to rotate in the mud delivery main pipe 13 through the bearing and the bearing seat.

Preferably, a liquid circulation device 3 is also provided in the settling tank 4; the liquid circulation device 3 includes a suction pipe 31, a liquid pump 32, a liquid inlet conduit 33, and a liquid distribution pipe 35; the liquid suction pipe 31 is provided with The liquid valve 34, the liquid suction pipe 31 is connected with the liquid inlet conduit 33 through the liquid pump 32; Liquid port 36.

Preferably, the rotating shaft 22 is provided with a rotating disk 23; the suction pipe 32 is provided with a liquid collection pipe 37, and the liquid collection pipe 37 is arranged in parallel above the mud pipe 14 and rotates around the mud pipe 13 through the rotating disk 23, The fluid collection pipe 37 is provided with a jet valve 39 .

Preferably, a mud suction chamber 5 is provided in the sediment conduit 12, and the mud suction chamber 5 is located above the dredger 11 and is connected to the collecting liquid pipe 37; the collecting liquid pipe 37 is provided with a nozzle 38; the nozzle 38 is arranged in the mud suction chamber 5, a through hole 40 is opened on the nozzle 38. Every set of dredger 11 is all connected with collecting liquid pipe 37, and the nozzle 38 on the collecting liquid pipe 37 stretches in the mud suction chamber 5, and liquid is injected in the mud conduit 12, produces ultra-low pressure in the mud suction chamber 5.

Preferably, the mud suction device 11 includes four correspondingly disposed suction cups 6 facing downward.

When the bottom of the settling tank 4 has some impurities such as sludge precipitated, the sediment pump 15 and the sludge discharge valve 16 are opened, and the sludge at the bottom of the settling tank 4 is sucked by the sucker 6 on the mud suction device 11, through the mud suction conduit 12, The mud delivery pipe 14 and the mud delivery main pipe 13 are discharged from the tank body of the settling tank 4 . At this time, the rotary drive mechanism 2 and the liquid circulation device 3 are turned on at the same time, the drive motor 21 drives the rotary shaft 22 to rotate in the mud delivery main pipe 13, and the rotary drive mechanism 2 drives the sludge suction device 11 to rotate, so that the sludge suction device 11 absorbs sludge The area of the settling tank increases, and the sedimentation, sludge and other impurities in the settling tank are rotated and stirred by the rotating drive mechanism 2, so that a centrifugal field is generated in the settling tank, and impurities such as sediment and sludge can be separated from water, and the separated Impurities such as silt, sludge and the like are sucked by the suction cup 6 again and removed from the settling tank 4. Open the liquid valve 34 and open the liquid pump 32 on the liquid circulation device 3, the liquid suction pipe 31 sucks the liquid in the settling tank 4, and a part of the liquid is sprayed into the suction chamber 5 through the jet valve 39, the collection liquid pipe 37, and the nozzle 38. Overpressure is generated in the suction chamber 5; another part of the liquid is reinjected into the bottom of the settling tank 4 through the liquid inlet conduit 33 and discharged into the settling tank 4 through the liquid distribution port 36 on the liquid distribution pipe 35, and discharged into the settling tank 4 The liquid in the settling tank 4 generates swirling flow at the bottom of the settling tank 4, and pushes some precipitated impurities such as some sludge that cannot be absorbed by the bottom of the settling tank 4 to the suction cup 6, and the suction cup 6 sucks and excludes the settling tank 4 again, so that the settling tank 4 is continuously removed. The sludge at the bottom of the tank 4 is all absorbed and discharged from the settling tank 4. And when the liquid level is high, because the liquid forms a high pressure at the bottom of the settling tank 4, the sludge at the bottom is squeezed into the vicinity of the sludge suction device 11, and is sucked out of the settling tank 4 by the suction cup 6.

The utility model adds a rotary drive mechanism in the settling tank, and the area of the mud suction device to absorb sand and sludge is increased by rotating the rotary drive mechanism. The liquid circulation device injects the liquid into the bottom of the settling tank and generates The vortex effect, thus stirring the sediment at the bottom of the water, pushes the unabsorbed sediment, sludge and other impurities into the vicinity of the suction cup, which is beneficial to the sediment pump to suck away the sediment, sludge and other mud slurry, and at the same time, the sedimentation tank The vortex generated in the settling tank can separate some of the unseparated mixed liquid in the settling tank again. The utility model improves the working efficiency of the silt pump, can effectively discharge the silt out of the settling tank, has low production cost, novel structure, convenient use and installation, strong practicability, and is suitable for wide application.

The above descriptions are only preferred embodiments of the present utility model, and the above specific embodiments do not limit the present utility model. Within the scope of the technical ideas of the present utility model, various deformations and modifications can occur, and any retouching, modification or equivalent replacement made by those skilled in the art according to the above descriptions all belong to the protection scope of the present utility model.

Claims (5)

1. a kind of rotary mud discharging device, including settling tank, it is characterised in that：It also includes the spoil disposal dress being arranged in settling tank Put；Described mud discharging device includes ooze sucker, silt conduit, defeated mud house steward, dredging tube, shell pump and rotary drive mechanism； Base that the rotary drive mechanism includes being arranged on settling tank center, the motor that is fixed on base and with The rotary shaft of motor V belt translation；The dredging tube is interval with rotary shaft, dredging tube one end connects with the silt conduit Connect, the other end is connected by rotary shaft with defeated mud house steward, the defeated mud house steward is provided with mud valve, defeated mud house steward connects with shell pump Connect, the ooze sucker is located at the lower section of silt conduit；When spoil disposal valve is opened and starts shell pump, on settling tank center Rotary drive mechanism rotation, the sludge of bottom drawn by ooze sucker and by inhaling mud conduit, dredging tube, defeated mud house steward and row Slurry valve is discharged outside settling tank.

2. a kind of rotary mud discharging device according to claim 1, it is characterised in that：Liquid is additionally provided with the settling tank EGR；The liquid circulating apparatus includes pipette, liquid pump, enters fluid catheter, liquid distributor；The pipette is provided with liquid Valve, pipette is connected by liquid pump with entering fluid catheter；The liquid distributor sets along settling tank inner periphery and connected with entering fluid catheter Connect, several cloth liquid mouthful are offered on liquid distributor.

3. a kind of rotary mud discharging device according to claim 2, it is characterised in that：Described rotary shaft is provided with rotation Disk；Pipette is set in parallel in the top of dredging tube and by rotating disk around defeated mud house steward provided with collection woven hose, collection woven hose Rotation, collection woven hose is provided with fluid valve.

4. a kind of rotary mud discharging device according to claim 3, it is characterised in that：Provided with suction mud in the silt conduit Room, inhales mud room and is located above ooze sucker and is connected with the collection woven hose；Collect woven hose and be provided with nozzle；Nozzle is arranged at suction mud Through hole is offered on interior, nozzle.

5. a kind of rotary mud discharging device according to claim 1, it is characterised in that：Described ooze sucker includes 4 The sucker being correspondingly arranged down.