Connecting structure of inclined tube sedimentation tank

Abstract

The utility model discloses an inclined tube sedimentation tank connecting structure which comprises a tank body, a water inlet pipe connected to the front side of the tank body and a water outlet pipe connected to the rear side of the tank body, the water inlet pipe is connected with a flocculation tank, an overflow groove is arranged in the tank body corresponding to the connecting position of the water outlet pipe, a conical sludge hopper is arranged at the bottom of the tank body, and the bottom of the sludge hopper is connected with a sludge tank through a sludge discharge pipeline. Two sludge pumps are arranged on the sludge discharge pipeline in parallel, the bottom of the sludge tank is connected with a filter press through a sludge outlet pipeline, two sludge pressing pumps are arranged on the sludge outlet pipeline in parallel, and air inlet pipes of the sludge pumps and the sludge pressing pumps are connected with a compressed air header pipe through air inlet pipelines. According to the inclined tube sedimentation tank connecting structure, the bottom structure of the inclined tube sedimentation tank is simplified, the requirement for construction and installation precision is lowered, the bottom blocking phenomenon of the inclined tube sedimentation tank can be effectively avoided, rapid sludge guide and discharge and solid-liquid separation are achieved, and the inclined tube sedimentation tank connecting structure has the advantages of being convenient to install and operate and maintain, high in reliability, long in service life and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to garbage treatment technical field especially is involved in a kind of inclined tube sedimentation tank connecting structure. BACKGROUND

[0002] Inclined tube sedimentation tank is important component in sewage treatment system, and its main working principle is to remove suspended particulate matter in wastewater by using gravity settling effect.In inclined tube sedimentation tank, wastewater flows in from inlet, and forms stable flow state by the guide effect of inclined tube.Due to the special design of inclined tube, the sedimentation area is increased, and the settling efficiency of particulate matter is improved.When particulate matter settles to the bottom of the tank, it is periodically discharged through sludge discharge system, so as to realize the purification of wastewater.

[0003] After realizing mud-water separation in inclined tube sedimentation tank, the accumulated mud at the bottom of the tank needs to be discharged outside the tank to keep the inclined tube sedimentation tank continuously and stably running.The accumulated mud in inclined tube sedimentation tank is usually discharged through perforated sludge discharge pipe, but the perforated sludge discharge pipe has high requirements for construction and installation precision, and slight construction error will obviously affect sludge discharge effect.In addition, the perforated sludge discharge pipe is prone to blockage, which causes rapid increase of accumulated mud at the bottom of the tank in a short time, affects water quality, and the sludge discharged through the perforated sludge discharge pipe has low solid content, which causes great difficulty in subsequent sludge-water treatment and high cost. SUMMARY

[0004] The utility model aims at providing an inclined tube sedimentation tank connecting structure to solve the problems existing in the prior art.

[0005] The utility model discloses a kind of inclined tube sedimentation tank connecting structure, including pool body, pool body front side is connected with inlet pipe, rear side is connected with outlet pipe, inlet pipe is connected with flocculator, pool body is equipped with overflow tank in corresponding outlet pipe connection position in it, pool body bottom is equipped with conical sludge hopper, sludge hopper bottom is connected with sludge tank by sludge discharge pipeline, two mud pumps are connected in parallel on sludge discharge pipeline, sludge tank bottom is connected with filter press by sludge outlet pipeline, two mud pumps are connected in parallel on sludge outlet pipeline, the air inlet pipe of mud pump and mud pump is connected with compressed air main pipe by air inlet pipeline.

[0006] The inclined tube sedimentation tank connecting structure of the utility model quickly guides and discharges sludge at the bottom of inclined tube sedimentation tank to sludge tank by mud pump and sludge discharge pipeline, and then transports sludge to filter press by mud pump and sludge outlet pipeline, so as to completely realize solid-liquid separation and facilitate subsequent treatment or secondary use; and mud pump and mud pump are both connected in parallel by 2 groups, which improves the reliability and stability of sludge discharge system.In summary, the inclined tube sedimentation tank connecting structure of the utility model simplifies the bottom structure of inclined tube sedimentation tank, reduces the requirement for construction and installation precision, and can effectively avoid the blockage phenomenon at the bottom of inclined tube sedimentation tank, realize sludge quick guide and discharge and solid-liquid separation, and has the advantages of convenient installation, convenient operation and maintenance, high reliability, long service life and the like.

[0007] As a further improvement of this utility model, a connecting hose is provided at the connection end between the air intake pipeline and the mud pump or mud press pump, thereby realizing a flexible connection and avoiding the impact of the working vibration of the mud pump or mud press pump on the reliability of the air intake pipeline connection.

[0008] As a further improvement of this utility model, check valves are provided on both the sludge discharge pipeline and the sludge outlet pipeline. The check valves are located on the rear side of the sludge pump and the sludge pressing pump, which further improves the operational reliability of the sludge discharge system.

[0009] As a further improvement of this utility model, a pressure gauge is installed on the mud discharge pipe. The pressure gauge is located near the filter press to help operators understand the operating status of the system, ensure that the equipment operates within a safe range, avoid accidents caused by overpressure, and improve the safety of system operation.

[0010] As a further improvement of this invention, the outlet pipe is connected to the intermediate tank. By setting up the intermediate tank, the uniformity and stability of subsequent treatment are ensured, and the impact on the subsequent treatment system is reduced.

[0011] As a further improvement of this utility model, control valves are provided on both the sludge discharge pipeline and the sludge outlet pipeline. The control valves are located on both sides of the sludge pump and the sludge press pump to facilitate flow regulation during the operation of the sludge discharge system. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the connection structure of the inclined tube sedimentation tank of this utility model.

[0013] The components include: 1. Tank body; 2. Inlet pipe; 3. Outlet pipe; 4. Sludge hopper; 5. Sludge tank; 6. Sludge pump; 7. Filter press; 8. Sludge pump; 9. Compressed air main pipe; 10. Check valve; 11. Control valve; 12. Pressure gauge; and 13. Connecting hose. Detailed Implementation

[0014] like Figure 1 The inclined tube sedimentation tank connection structure shown includes a tank body 1, with an inlet pipe 2 connected to the front and an outlet pipe 3 connected to the rear. The inlet pipe 2 is connected to a flocculation tank. An overflow trough is provided inside the tank body 1 at the connection position of the outlet pipe 3, and the outlet pipe 3 is connected to an intermediate tank. By setting up an intermediate tank, the uniformity and stability of subsequent treatment are ensured, and the impact on the subsequent treatment system is reduced.

[0015] The bottom of the tank 1 is equipped with a conical sludge hopper 4. The bottom of the sludge hopper 4 is connected to the sludge tank 5 through a sludge discharge pipe. Two sludge pumps 6 are connected in parallel on the sludge discharge pipe. The bottom of the sludge tank 5 is connected to the filter press 7 through a sludge outlet pipe. Two sludge pressing pumps 8 are connected in parallel on the sludge outlet pipe. The air inlet pipes of the sludge pumps 6 and sludge pressing pumps 8 are connected to the compressed air main pipe 9 through air inlet pipes.

[0016] In order to ensure the safe and stable operation of the whole sludge discharge system, check valves 10 and control valves 11 are arranged on the sludge discharge pipeline and the sludge discharge pipeline, the check valves 10 are arranged at the rear side of the sludge pump 6 and the sludge pump 8, and the control valves 11 are arranged at the front and rear sides of the sludge pump 6 and the sludge pump 8, so that the flow adjustment of the sludge discharge system during operation is facilitated. The sludge discharge pipeline is provided with a pressure gauge 12 arranged near the filter press 7, which helps the operator to understand the operation state of the system, ensures that the equipment is operated within a safe range, avoids accidents caused by overpressure, and improves the safety of the system operation. The connection hose 13 is arranged at the connection end of the air inlet pipeline and the sludge pump 6 or the sludge pump 8, so as to realize flexible connection and avoid the influence of the working vibration of the sludge pump 6 or the sludge pump 8 on the connection reliability of the air inlet pipeline.

[0017] The inclined tube sedimentation tank connection structure of the embodiment can quickly guide and discharge the sludge at the bottom of the inclined tube sedimentation tank to the sludge tank 5 through the sludge pump 6 and the sludge discharge pipeline, and then the sludge is transported to the filter press 7 through the sludge pump 8 and the sludge discharge pipeline, so that the solid-liquid separation is realized, the subsequent treatment or secondary utilization is facilitated, and the sludge pump 6 and the sludge pump 8 are both arranged in two groups in parallel, so that the reliability and stability of the sludge discharge system are improved.

[0018] In summary, the inclined tube sedimentation tank connection structure of the embodiment simplifies the bottom structure of the inclined tube sedimentation tank, reduces the requirement for the installation precision, can effectively avoid the blockage of the bottom of the inclined tube sedimentation tank, realizes the quick guiding and discharging of the sludge and the solid-liquid separation, and has the advantages of convenient installation, convenient operation and maintenance, high reliability, long service life and the like.

[0019] The utility model discloses not limited to the above -mentioned embodiment, on the basis that the technical scheme is disclosed in the utility model, the technical content disclosed is not creative labor to make some replacement and deformation to some technical features among them, and these replacement and deformation are all within the protection scope of the utility model.

Claims

1. A connection structure for an inclined tube sedimentation tank, comprising a tank body, wherein an inlet pipe is connected to the front side of the tank body and an outlet pipe is connected to the rear side, the inlet pipe is connected to a flocculation tank, an overflow trough is provided in the tank body corresponding to the connection position of the outlet pipe, and a conical sludge hopper is provided at the bottom of the tank body, characterized in that: The bottom of the sludge hopper is connected to the sludge tank via a sludge discharge pipe. Two sludge pumps are connected in parallel on the sludge discharge pipe. The bottom of the sludge tank is connected to the filter press via a sludge outlet pipe. Two sludge pressing pumps are connected in parallel on the sludge outlet pipe. The air inlet pipes of the sludge pumps and the sludge pressing pumps are connected to the main compressed air pipe via air inlet pipes.

2. The inclined tube sedimentation tank connection structure according to claim 1, characterized in that: The air intake pipe is connected to the mud pump or mud press pump with a connecting hose.

3. The inclined tube sedimentation tank connection structure according to claim 1, characterized in that: Both the sludge discharge pipeline and the sludge outlet pipeline are equipped with check valves, which are located on the rear side of the sludge pump and the sludge pressing pump.

4. The inclined tube sedimentation tank connection structure according to any one of claims 1-3, characterized in that: A pressure gauge is installed on the mud discharge pipe, and the pressure gauge is located near the filter press.

5. The inclined tube sedimentation tank connection structure according to any one of claims 1-3, characterized in that: The outlet pipe is connected to the intermediate tank.

6. The inclined tube sedimentation tank connection structure according to any one of claims 1-3, characterized in that: Control valves are installed on both the sludge discharge pipeline and the sludge outlet pipeline, and the control valves are located on both sides of the sludge pump and the sludge pressing pump.

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