CN219272235U - Mud discharging device of advection sedimentation tank - Google Patents

Abstract

The utility model discloses a mud discharging device of a advection sedimentation tank, which comprises a sedimentation tank, a guide rail, a movable bridge, a mud discharging mechanism and a flushing mechanism, wherein the guide rail is symmetrically and fixedly arranged above the sedimentation tank, the movable bridge is arranged on the guide rail in a sliding manner, a mud converging channel is fixedly arranged below the movable bridge, air stripping mud discharging pipes are arranged and communicated below the mud converging channel, an air compressor is fixedly arranged on the other side of the movable bridge, an air inlet main pipe is arranged and communicated below the air compressor, the air inlet main pipe is paved above the mud converging channel, an air inlet branch pipe is arranged and communicated below the air inlet main pipe, the lower end of the air inlet branch pipe is communicated with the air stripping mud discharging pipes, and the flushing mechanism is arranged on one side of the movable bridge; according to the utility model, air is blown into the air stripping mud discharging pipe by starting the air compressor, mud is discharged rapidly by utilizing the density difference, the problems of sedimentation and solidification of the mud and small mud discharge amount are solved, and the problems of sedimentation and solidification of the mud at the bottom and poor water outlet effect are avoided by flushing water after water flows through the flushing main pipe and the flushing branch pipe by starting the flushing pump.

Description

Mud discharging device of advection sedimentation tank

Technical Field

The utility model relates to the technical field of environmental protection equipment, in particular to a mud discharging device of a advection sedimentation tank.

Background

The advection sedimentation tank is widely applied to town sewage and waterworks, and the sedimentation effect is influenced by the quality of raw water and flocculation effect, and is also related to factors such as horizontal flow rate, sedimentation time, sedimentation speed of raw water flocculation particles, arrangement form of water inlet and water outlet, sludge discharge effect and the like;

at present, the domestic horizontal flow sedimentation tank adopts two kinds of sludge discharging equipment, namely a siphon type or pumping type sludge discharging machine and a single-rail sludge discharging machine, the problems of low sludge discharging concentration, large water waste, serious abrasion of a sludge discharging pump, multiple faults, large and difficult maintenance engineering quantity, incapability of normal operation of a sludge discharging system and the like, the problems of uneven sludge scraping exists in the single-rail sludge discharging machine, dead sludge exists at the bottom, a scraper blade is driven by a metal or nonmetal chain, the chain abrasion is serious, the breakage occurs at the moment, and meanwhile, main equipment is concentrated under water and is difficult to overhaul and maintain, so that the sludge discharging device for the horizontal flow sedimentation tank is researched and has important significance, and the sludge discharging device for the horizontal flow sedimentation tank is provided to solve the problems in the prior art.

Disclosure of Invention

Aiming at the problems, the utility model aims to provide a advection sedimentation tank sludge discharge device, which is started by an air compressor to blow air into an air stripping sludge discharge pipe through an air inlet main pipe and an air inlet branch pipe, so that compressed air and sludge are mixed to form mixed liquid with lower density than stock solution, the mixed liquid is discharged through the air stripping sludge discharge pipe by utilizing density difference, the problems of sludge deposition solidification and small sludge discharge amount are solved, main equipment is positioned on water surface, overhaul is convenient, water flow is started by a flushing pump to be flushed after passing through the flushing main pipe and the flushing branch pipe, and the problems of bubble generation and poor water discharge effect caused by anaerobic fermentation due to the deposition solidification of bottom sludge are avoided.

In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the utility model provides a advection sedimentation tank mud discharging device, includes sedimentation tank, guide rail, removal crane span structure, mud discharging mechanism and washing mechanism, the fixed guide rail that is equipped with in sedimentation tank top symmetry, it is equipped with the removal crane span structure to slide on the guide rail, mud discharging mechanism includes mud confluence canal, air compressor machine, air inlet main pipe and air inlet branch pipe, the fixed mud confluence canal that is equipped with in removal crane span structure below, mud confluence canal below arrangement intercommunication is equipped with the air compressor machine that is equipped with of opposite side on the removal crane span structure, air compressor machine below intercommunication is equipped with the air inlet main pipe, the air inlet main pipe is laid in mud confluence canal top, the intercommunication is arranged to the air inlet main pipe below the arrangement and is equipped with the air inlet branch pipe, air inlet branch pipe lower extreme and air inlet main pipe intercommunication, one side is equipped with washing mechanism on the removal crane span structure.

The further improvement is that: the air-lift sludge discharge pipe is arranged with three groups, the air inlet branch pipe is communicated with the air-lift sludge discharge pipe in a matching way, the lower end of the air-lift sludge discharge pipe is close to the inner bottom of the sedimentation tank, and the sludge converging channel is communicated with an external pipeline.

The further improvement is that: the bottom baffle plates are arranged at the bottom of the sedimentation tank in a symmetrical arrangement mode.

The further improvement is that: the flushing mechanism comprises a flushing pump, a flushing main pipe, a flushing branch pipe and a water suction pipe, wherein the flushing pump is fixedly arranged on one side of the movable bridge, the flushing main pipe is connected with one side lower side of the flushing pump, the flushing main pipe is paved above the sludge confluence channel, the flushing main pipe is communicated with the lower end of the flushing main pipe and provided with the flushing branch pipe, and the water suction pipe is connected with the other side lower side of the flushing pump.

The further improvement is that: the flushing branch pipes are symmetrically positioned at two sides in the sedimentation tank, and the lower ends of the flushing branch pipes are close to the inner bottom of the sedimentation tank.

The further improvement is that: the lower end of the water suction pipe is positioned below the liquid level of clear liquid in the sedimentation tank.

The beneficial effects of the utility model are as follows: according to the utility model, the air compressor is started to blow air into the gas stripping mud discharging pipe through the air inlet main pipe and the air inlet branch pipe, so that the compressed air and the sludge are mixed to form mixed liquid with lower density than the original liquid, the mixed liquid is discharged through the gas stripping mud discharging pipe by utilizing the density difference, the problems of sludge deposition solidification and small mud discharging amount are solved, the main equipment is positioned on the water surface, the overhaul is convenient, the water flow is flushed out after passing through the flushing main pipe and the flushing branch pipe through the flushing pump, and the problems of bubble generation and poor water discharging effect caused by anaerobic fermentation due to the deposition solidification of the sludge at the bottom are avoided.

Drawings

FIG. 1 is an overall front cross-sectional view of the present utility model;

FIG. 2 is a three-dimensional pipe diagram of an intake manifold of the present utility model;

fig. 3 is a three-dimensional piping diagram of the flushing branch pipe of the present utility model.

Wherein: 1. a sedimentation tank; 2. a guide rail; 3. a moving bridge; 4. a sludge confluence channel; 5. a gas stripping mud discharging pipe; 6. an air compressor; 7. an air inlet main pipe; 8. an air inlet branch pipe; 9. a bottom baffle; 10. a flushing pump; 11. flushing a main pipe; 12. flushing the branch pipes; 13. a water suction pipe.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

According to the drawings 1, 2, 3, this embodiment provides a advection sedimentation tank mud discharging device, including sedimentation tank 1, guide rail 2, remove crane span structure 3, mud discharging mechanism and flushing mechanism, sedimentation tank 1 top symmetry is fixed and is equipped with guide rail 2, it is equipped with removal crane span structure 3 to slide on the guide rail 2, mud discharging mechanism includes mud confluence canal 4, air stripping mud pipe 5, air compressor machine 6, air intake main pipe 7 and air inlet branch 8, remove crane span structure 3 below is fixed and is equipped with mud confluence canal 4, mud confluence canal 4 below range intercommunication is equipped with air stripping mud pipe 5, remove crane span structure 3 on the opposite side fixed be equipped with air compressor machine 6, air compressor machine 6 below intercommunication is equipped with air inlet main pipe 7, air inlet main pipe 7 lays in mud confluence canal 4 top, air inlet main pipe 7 below range intercommunication is equipped with air inlet branch 8, air inlet branch 8 lower extreme and air stripping mud pipe 5 intercommunication, it is equipped with flushing mechanism to remove one side on the crane span structure 3, air stripping mud pipe 5 lower extreme and bottom and sedimentation tank 1 bottom is fixed and is equipped with mud confluence canal 4, the air stripping mud pipe 6 is equipped with air stripping mud pipe 5 bottom, the mixed density ratio is low when the mixed with the air inlet main pipe 6 is carried out to the air inlet main pipe 6, the mixed volume of air-out to mix the mud is difficult to be formed.

The inclined bolt at the bottom of the sedimentation tank 1 is fixedly provided with the bottom baffle plates 9, the bottom baffle plates 9 are symmetrically arranged to form a plurality of groups, disturbance is formed when the sedimentation tank is flushed through baffle plates, sludge and compressed air are conveniently mixed to form mixed liquid, and sludge discharge efficiency is improved.

The flushing mechanism comprises a flushing pump 10, a flushing main pipe 11, flushing branch pipes 12 and a water suction pipe 13, wherein the flushing pump 10 is fixedly arranged on one side of the movable bridge frame 3, the flushing main pipe 11 is connected and arranged below one side of the flushing pump 10, the flushing main pipe 11 is paved above the sludge confluence channel 4, the flushing main pipe 11 is communicated and provided with the flushing branch pipes 12, the water suction pipe 13 is connected and arranged below the other side of the flushing pump 10, the flushing branch pipes 12 are symmetrically positioned on two sides in the sedimentation tank 1, the lower ends of the flushing branch pipes 12 are close to the inner bottom of the sedimentation tank 1, the flushing main pipe 11 and the flushing branch pipes 12 are made of PE materials, the pressure grade is not less than 1.0MPa, when flushing is carried out, the flushing pump 10 is started to enable water flow to be flushed out after passing through the flushing main pipe 11 and the flushing branch pipes 12, the problem that bottom sludge is deposited and solidified, air bubbles are generated due to anaerobic fermentation and the water outlet effect is poor is avoided.

The lower end of the water suction pipe 13 is positioned below the liquid level of the clear liquid in the sedimentation tank 1, and the supernatant liquid is utilized to flush the bottom sludge, so that the recycling is realized, and the waste of water resources is avoided.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a advection sedimentation tank mud discharging device which characterized in that: including sedimentation tank (1), guide rail (2), removal crane span structure (3), mud discharging mechanism and washing mechanism, sedimentation tank (1) top symmetry is fixed to be equipped with guide rail (2), it is equipped with removal crane span structure (3) to slide on guide rail (2), mud discharging mechanism includes mud confluence canal (4), air compressor machine (6), air intake main pipe (7) and air intake branch pipe (8), it is equipped with mud confluence canal (4) to remove crane span structure (3) below is fixed, mud confluence canal (4) below arrangement intercommunication is equipped with air compressor machine (6), air compressor machine (6) below intercommunication is equipped with air intake main pipe (7), air intake main pipe (7) are laid in mud confluence canal (4) top, air intake main pipe (7) below arrangement intercommunication is equipped with air intake branch pipe (8), air intake branch pipe (8) lower extreme and air intake main pipe (5) intercommunication, one side is equipped with washing mechanism on removal crane span structure (3).

2. A advection sedimentation tank sludge discharge apparatus according to claim 1, characterized in that: the three groups of the air-stripping sludge discharge pipes (5) are arranged, the air inlet branch pipes (8) are communicated with the air-stripping sludge discharge pipes (5) in a matched mode, the lower ends of the air-stripping sludge discharge pipes (5) are close to the inner bottoms of the sedimentation tanks (1), and the sludge converging channels (4) are communicated with an external pipeline.

3. A advection sedimentation tank sludge discharge apparatus according to claim 1, characterized in that: the bottom of the sedimentation tank (1) is provided with bottom baffles (9) in an inclined and fixed manner, and the bottom baffles (9) are symmetrically arranged to form a plurality of groups.

4. A advection sedimentation tank sludge discharge apparatus according to claim 1, characterized in that: the utility model provides a flushing mechanism includes wash pump (10), wash be responsible for (11), wash branch pipe (12) and water suction pipe (13), the fixed wash pump (10) that is equipped with in one side on mobile bridge frame (3), wash pump (10) one side below connection is equipped with wash and is responsible for (11), wash and be responsible for (11) and lay in mud confluence canal (4) top, wash and be responsible for (11) lower extreme intercommunication and be equipped with wash branch pipe (12), wash pump (10) opposite side below connection is equipped with water suction pipe (13).

5. The advection sedimentation tank mud discharging device of claim 4, wherein: the flushing branch pipes (12) are symmetrically positioned at two sides in the sedimentation tank (1), and the lower ends of the flushing branch pipes (12) are close to the inner bottom of the sedimentation tank (1).

6. The advection sedimentation tank mud discharging device of claim 4, wherein: the lower end of the water suction pipe (13) is positioned below the liquid level of the clear liquid in the sedimentation tank (1).

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