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CN-121247974-B - Sewage treatment device for municipal engineering

CN121247974BCN 121247974 BCN121247974 BCN 121247974BCN-121247974-B

Abstract

The invention discloses a sewage treatment device for municipal works, which relates to the technical field of municipal works sewage treatment and comprises a treatment tank, a material control mechanism and a material control mechanism, wherein the side wall of the treatment tank is fixedly connected with a discharging box, the material control mechanism comprises a mounting plate fixedly connected to the inner wall of the treatment tank, the lower end of the mounting plate is fixedly connected with a rotating shaft, the side wall of the rotating shaft is fixedly connected with a plurality of impellers, the inner wall of the treatment tank is fixedly connected with a concave sliding rail, and the inner wall of the concave sliding rail is slidably connected with a rack. According to the invention, the kinetic energy of the inflow water flow is utilized to drive the impeller, the sector gear and the rack mechanism, so that the inflow water flow is directly coupled with the flocculant adding action, the full-automatic proportional adding of 'adding more water and adding less water' is realized, the dependence on manual experience is thoroughly eliminated, the waste or insufficient adding of the medicament is fundamentally avoided, and the running cost is obviously reduced while the optimal flocculation effect is ensured.

Inventors

  • Hou Chuanyuan
  • SUN LONG
  • TIAN YANG

Assignees

  • 枣庄旗胜建设集团有限公司

Dates

Publication Date
20260512
Application Date
20251022

Claims (5)

  1. 1. Sewage treatment plant for municipal works, characterized by comprising: the device comprises a treatment tank (1), wherein a blanking box (2) is fixedly connected to the side wall of the treatment tank (1); The material control mechanism comprises a mounting plate (3) fixedly connected to the inner wall of the treatment tank (1), a rotating shaft (4) is fixedly connected to the lower end of the mounting plate (3), a plurality of impellers (5) are fixedly connected to the side wall of the rotating shaft (4), a concave sliding rail (6) is fixedly connected to the inner wall of the treatment tank (1), a rack (7) is slidably connected to the inner wall of the concave sliding rail (6), a first spring (8) is fixedly connected between the rack (7) and the inner wall of the concave sliding rail (6), a baffle (9) is fixedly connected to the inner wall of the blanking box (2) in a sealing and sliding manner, one end of the baffle (9) penetrates through the side wall of the blanking box (2), a connecting rod (10) is fixedly connected to the side wall of the rack (7), a sector gear (11) matched with the rack (7) is fixedly connected to the side wall of the rotating shaft (4). The stirring device is characterized in that a stirring shaft (12) is rotationally connected to the inner bottom of the treatment tank (1), a plurality of stirring blades (13) are fixedly connected to the side wall of the stirring shaft (12), a transmission shaft (15) is rotationally connected to the inner top of the treatment tank (1), a motor (14) is fixedly connected to the upper end of the treatment tank (1), the output end of the motor (14) penetrates through the upper end of the treatment tank (1) and is fixedly connected with the transmission shaft (15), a mounting groove (16) is formed in the upper end of the stirring shaft (12), and the lower end of the transmission shaft (15) extends into the mounting groove (16); The stirring shaft (12) is provided with a rotating speed adjusting mechanism, the rotating speed adjusting mechanism comprises a plurality of pressing cylinders (17) fixedly connected to the side wall of the stirring shaft (12), each pressing cylinder (17) is provided with a sliding plug (18) in a sealing sliding manner, the side wall of each sliding plug (18) is fixedly connected with a pressing rod (19), the side wall of each pressing cylinder (17) is fixedly connected with a fixing cylinder (20), one end of each fixing cylinder (20) extends into a mounting groove (16) and is fixedly connected with an arc friction plate (21), the arc friction plates (21) are attached to the side wall of a transmission shaft (15), one end of each pressing rod (19) extends into the corresponding fixing cylinder (20), and a second spring (22) is fixedly connected between each pressing rod (19) and the inner wall of each fixing cylinder (20); The rotating speed adjusting mechanism further comprises an air inlet groove (23) formed in the stirring shaft (12), the air inlet groove (23) is communicated with the pressing cylinder (17) through a one-way air inlet pipe (25), the lower end of the treatment tank (1) is fixedly connected with a rotary joint (24) through a support, the lower end of the stirring shaft (12) penetrates through the lower end of the treatment tank (1) and is fixedly connected with the rotary joint (24), and an air pumping assembly for pumping air into the air inlet groove (23) is arranged in the treatment tank (1); the pumping assembly comprises a sliding cylinder (26) fixedly connected to the inner wall of the treatment tank (1), a sliding plate (27) is connected to the inner wall of the sliding cylinder (26) in a sealing sliding manner, a push rod (28) is fixedly connected to the side wall of the rack (7), and the other end of the push rod (28) penetrates through the side wall of the sliding cylinder (26) and is connected with the sliding plate (27) The one-way air supply device is fixedly connected with a one-way air suction pipe (29) and a one-way air supply pipe (30) which are fixedly connected with the side wall of the sliding cylinder (26), and the other end of the one-way air supply pipe (30) is fixedly connected with the rotary joint (24); an exhaust hole (32) is formed in the inner wall of the pressure cylinder (17), and the aperture of the exhaust hole (32) is smaller than the inner diameter of the unidirectional air inlet pipe (25).
  2. 2. The sewage treatment apparatus for municipal works according to claim 1, wherein: The inner wall of the sliding cylinder (26) is provided with a pressure relief hole (31), and the inner wall of the pressure relief hole (31) is provided with a pressure relief valve.
  3. 3. The sewage treatment apparatus for municipal works according to claim 1, wherein: The side wall of the stirring shaft (12) is fixedly connected with a dispersing hopper (33), and a plurality of hole grooves are formed in the dispersing hopper (33).
  4. 4. A sewage treatment apparatus for municipal works according to claim 3, wherein: The utility model discloses a treatment tank, including processing jar (1), install in processing jar (1) and strike mechanism, strike mechanism includes collar (34) at processing jar (1) inner wall through fixed axle fixed connection, collar (34) upper end sliding connection has a plurality of rapping bars (35), every rapping bar (35) lower extreme all runs through the collar (34) The lower end is fixedly connected with a semicircular head (37), a third spring (36) is sleeved on the side wall of the knocking rod (35), and the third spring (36) Both ends are respectively fixedly connected with the lower end of the mounting ring (34) and the upper end of the semicircular head (37), wherein, part of the upper ends of the stirring blades (13) are fixedly connected with arc-shaped blocks (38) matched with the semicircular head (37).
  5. 5. The sewage treatment apparatus for municipal works according to claim 1, wherein: the treatment tank is characterized in that a water inlet pipe (39) is fixedly connected to the side wall of the treatment tank (1), two water draining pipes (40) are symmetrically and fixedly connected to the lower end of the treatment tank (1), and valves are installed at the lower ends of the two water draining pipes (40).

Description

Sewage treatment device for municipal engineering Technical Field The invention relates to the technical field of municipal engineering sewage treatment, in particular to a sewage treatment device for municipal engineering. Background In municipal sewage treatment, flocculation sedimentation is a crucial and widely applied physical and chemical treatment unit, and the core of the flocculation sedimentation treatment unit is to add flocculant into sewage to destabilize and aggregate suspended particles, colloid pollutants and insoluble compounds which are difficult to naturally sediment in the water to form larger floccules (alum flowers), so that solid-liquid separation is realized through sedimentation, and turbidity, chromaticity, total phosphorus and partial organic matters in the water are effectively removed. At present, the traditional flocculation treatment process still has some defects, firstly, the adding amount of a flocculating agent is seriously dependent on the experience of operators, sewage flow and water quality are dynamically changed, but the real-time and accurate matching of the adding amount is difficult to realize manually, the insufficient adding can lead to incomplete flocculation, the effluent water quality is not up to the standard, excessive adding not only causes medicament waste and increases treatment cost, but also can possibly cause colloid to be unstable again, the flocculation effect is deteriorated, excessive chemical sludge is generated, and secondly, the stirring intensity and the stirring speed in the flocculation process are usually fixed, and in fact, the stirring requirements are different in different dosing stages and sewage conditions, for example, rapid stirring is required to promote medicament diffusion in an initial mixing stage, slow stirring is required to prevent the medicament from being broken in a alum blossom growth stage, and the fixed stirring speed cannot be suitable for the process requirement, so that the flocculation efficiency and the flocculation effect are affected. Based on the above, we provide a sewage treatment device for municipal engineering. Disclosure of Invention The invention aims to solve the defects in the prior art and provides a sewage treatment device for municipal engineering. In order to achieve the above purpose, the present invention adopts the following technical scheme: the sewage treatment device for municipal engineering comprises a treatment tank, wherein a discharging box is fixedly connected to the side wall of the treatment tank; The material control mechanism comprises a mounting plate fixedly connected to the inner wall of a treatment tank, a rotating shaft is fixedly connected to the lower end of the mounting plate, a plurality of impellers are fixedly connected to the side wall of the rotating shaft, a concave sliding rail is fixedly connected to the inner wall of the treatment tank, a rack is slidably connected to the inner wall of the concave sliding rail, a first spring is fixedly connected between the rack and the inner wall of the concave sliding rail, a baffle is connected to the inner wall of the blanking box in a sealing and sliding manner, one end of the baffle penetrates through the side wall of the blanking box to be arranged, a connecting rod is fixedly connected to the side wall of the rack, the other end of the connecting rod is fixedly connected with the side wall of the baffle, and the side wall of the rotating shaft is fixedly connected with a sector gear matched with the rack. Preferably, the stirring shaft is rotationally connected to the bottom in the treatment tank, the stirring blades are fixedly connected to the side wall of the stirring shaft, the transmission shaft is rotationally connected to the top in the treatment tank, the motor is fixedly connected to the upper end of the treatment tank, the output end of the motor penetrates through the upper end of the treatment tank and is fixedly connected with the transmission shaft, the upper end of the stirring shaft is provided with the mounting groove, and the lower end of the transmission shaft extends into the mounting groove. Preferably, the stirring shaft is provided with a rotating speed adjusting mechanism, the rotating speed adjusting mechanism comprises a plurality of pressing cylinders fixedly connected to the side wall of the stirring shaft, each pressing cylinder is provided with a sliding plug in a sealing sliding connection mode, the side wall of each sliding plug is fixedly connected with a pressing rod, the side wall of each pressing cylinder is fixedly connected with a fixing cylinder in a sliding connection mode, one end of each fixing cylinder extends into the mounting groove and is fixedly connected with an arc friction plate, the arc friction plates are attached to the side wall of the transmission shaft, one end of each pressing rod extends into the corresponding fixing cylinder, and a second spring is fixedly connected