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CN-224226784-U - Wastewater treatment integrated equipment

CN224226784UCN 224226784 UCN224226784 UCN 224226784UCN-224226784-U

Abstract

The utility model relates to the technical field of wastewater treatment, in particular to wastewater treatment integrated equipment, which comprises a water taking pump room, a coagulation reaction tank, a coagulation sedimentation tank, a sludge concentration tank and auxiliary equipment, wherein a drainage system, a dosing system, a stirring system and a sludge scraping conveying system are connected in the coagulation reaction tank and the coagulation sedimentation tank, a control system is integrated in the auxiliary equipment, and is respectively and electrically connected with the drainage system, the dosing system, the stirring system and the sludge scraping conveying system.

Inventors

  • ZHANG JIAN
  • WANG LI
  • SUN XINGXING
  • WANG WANLU
  • JI LIN

Assignees

  • 江苏叁山环境科学技术研究有限公司

Dates

Publication Date
20260512
Application Date
20250521

Claims (8)

  1. 1. The integrated wastewater treatment equipment comprises a water taking pump room (16), a coagulation reaction tank (19), a coagulation sedimentation tank (22), a sludge concentration tank (17) and an auxiliary equipment room (18), and is characterized in that a drainage system, a drug adding system, a stirring system and a sludge scraping conveying system are arranged in the coagulation reaction tank (19) and the coagulation sedimentation tank (22) in an connecting mode, the drainage system comprises a coagulation reaction tank water inlet lift pump (15), a coagulation reaction tank water inlet lift pump water outlet pipe (20) and a coagulation reaction tank water inlet lift pump water inlet pipe (21), the water taking pump room (16) is connected with the coagulation reaction tank water inlet lift pump (15) through the coagulation reaction tank water inlet lift pump water inlet pipe (21), the coagulation reaction tank water inlet lift pump (15) is communicated with the water inlet end of the coagulation reaction tank (19), the coagulation reaction tank (19) is communicated with the water inlet end of the coagulation sedimentation tank (22), a water outlet tank (4) is arranged at the water inlet end of the coagulation sedimentation tank (22), the sludge scraping conveying system comprises a sludge scraping machine (3) and a sludge scraping center (17) is arranged in the sludge scraping center (17), the sludge outlet of the sludge concentration tank (17) carries out conveying treatment on sludge through a sludge pump (10), a control system is integrated in the auxiliary equipment room (18), and the control system is respectively and electrically connected with a drainage system, a dosing system, a stirring system and a sludge scraping conveying system.
  2. 2. The integrated wastewater treatment equipment according to claim 1, wherein the dosing system comprises a coagulation dosing pump (9), a compound flocculant dosing pump (11) and a PAM automatic drug soaking machine (7), wherein the coagulation dosing pump (9) and the compound flocculant dosing pump (11) are respectively connected with a dosing port of a coagulation reaction tank (19), the PAM automatic drug soaking machine (7) is connected with a dosing port of a coagulation sedimentation tank (22) through a PAM dosing pump (8), the dosing system further comprises a compound coagulant mixer (12) and a compound flocculant mixer (13), and the compound coagulant mixer (12) and the compound flocculant mixer (13) are arranged in an auxiliary equipment room (18) and are respectively used for preparing compound coagulant and compound flocculant.
  3. 3. The integrated wastewater treatment equipment according to claim 2 is characterized in that a discharge port of the compound coagulant mixer (12) is connected with a coagulation dosing pump (9) through a pipeline, a discharge port of the compound coagulant mixer (13) is connected with a compound flocculant dosing pump (11) through a pipeline, a liquid level sensor is arranged in the PAM automatic drug soaking machine (7), the liquid level sensor is connected with a control system through signals, and the control system can automatically control starting and stopping of the PAM dosing pump (8) according to the liquid level signals.
  4. 4. The integrated wastewater treatment equipment according to claim 1, wherein the stirring system comprises a coagulation stirrer (1) and a flocculation stirrer (2) which are arranged in a coagulation reaction tank (19), the coagulation stirrer (1) and the flocculation stirrer (2) are sequentially arranged along the water flow direction of the coagulation reaction tank (19), the interior of the coagulation reaction tank (19) is divided into a coagulation reaction area and a flocculation reaction area which are sequentially communicated along the water flow direction, the coagulation stirrer (1) is arranged in the coagulation reaction area, the flocculation stirrer (2) is arranged in the flocculation reaction area, a trench sewage pump (14) is arranged at the bottom of the coagulation reaction tank (19), and the outlet of the trench sewage pump (14) is connected with a sludge concentration tank (17).
  5. 5. The integrated wastewater treatment equipment according to claim 1, wherein the central transmission mud scraper (3) is arranged at the central position of the coagulating sedimentation tank (22), mud scraping arms of the central transmission mud scraper (3) are distributed radially and are contacted with the bottom of the tank, honeycomb inclined tube filler (5) is arranged in the coagulating sedimentation tank (22), and the honeycomb inclined tube filler (5) is fixedly installed at an inclined angle of 60 degrees to form an inclined sedimentation channel.
  6. 6. The integrated wastewater treatment equipment according to claim 1, wherein the sludge concentration tank (17) is arranged adjacent to the coagulation sedimentation tank (22) and is communicated with the coagulation sedimentation tank through a sludge pipeline, a sludge outlet of the central transmission sludge scraper (3) is directly connected into the sludge concentration tank (17) through the sludge pipeline, an inclined guide plate is arranged at the bottom of the sludge concentration tank (17), a suction inlet of a sludge pump (10) is arranged at the lowest position of the guide plate, a supernatant return pipe is arranged at the upper part of the sludge concentration tank (17), the supernatant return pipe is connected with a water inlet end of the coagulation sedimentation tank (19), an external single-stage screw pump (6), an external single-stage screw pump water inlet pipe (23) and an external single-stage screw pump water outlet pipe (24) are arranged on the return pipe, and the external single-stage screw pump (6) is connected with the return pipe through the external single-stage screw pump water inlet pipe (23) and the external single-stage screw pump water outlet pipe (24).
  7. 7. The integrated wastewater treatment equipment according to claim 5, wherein an overload protection device is arranged on the central transmission mud scraper (3), the overload protection device is connected with a control system, a diversion inclined plane with the gradient of 3-5 degrees is arranged at the bottom of the coagulating sedimentation tank (22), and the lowest part of the diversion inclined plane corresponds to a mud collecting bucket of the central transmission mud scraper (3).
  8. 8. The integrated wastewater treatment equipment according to claim 1, wherein the auxiliary equipment room (18) is internally provided with an online water quality monitor, monitoring points of the online water quality monitor are respectively arranged at the water outlet end of the coagulation reaction tank (19), the water outlet end of the coagulation sedimentation tank (22) and the outlet of the water outlet tank (4), the online water quality monitor is electrically connected with a control system, and the control system can automatically adjust the dosage of the dosing system and the stirring rate of the stirring system according to water quality monitoring data.

Description

Wastewater treatment integrated equipment Technical Field The utility model relates to the technical field of wastewater treatment, in particular to wastewater treatment integrated equipment. Background In the existing wastewater treatment technology, the traditional treatment equipment often has the problems of dispersed structure, large occupied area, complex connection of each treatment unit, low automation degree and the like. For example, the coagulation reaction tank and the sedimentation tank are usually arranged as independent devices, so that the pipeline connection is complicated, the water flow resistance is high, and the reagent adding system and the stirring system lack of cooperative control, so that the reagent waste or poor flocculation effect is easily caused. In addition, the sludge treatment link often causes unsmooth sludge reflux due to low efficiency of sludge scraping equipment and unreasonable layout of a sludge concentration tank and a sedimentation tank, supernatant cannot be effectively recycled, and subsequent treatment cost is increased. Meanwhile, the traditional equipment lacks real-time water quality monitoring and intelligent regulation and control functions, and is difficult to dynamically adjust treatment parameters according to water quality changes, so that the stability of the water quality of the outlet water is influenced. Therefore, development of an integrated wastewater treatment device with compact structure, efficient flow, high automation degree and convenient maintenance is needed to realize high efficiency, intellectualization and energy conservation of wastewater treatment. Disclosure of utility model In order to solve the problems in the prior art, the utility model provides wastewater treatment integrated equipment, which realizes the cooperative operation of coagulation reaction, precipitation separation, sludge treatment and automatic control functions through a highly integrated equipment layout and an intelligent control system, remarkably improves the wastewater treatment efficiency and operation stability, and is particularly suitable for pretreatment and purification treatment of various water qualities such as industrial wastewater, domestic sewage and the like. The utility model provides wastewater treatment integrated equipment, which comprises a water taking pump house, a coagulation reaction tank, a coagulation sedimentation tank, a sludge concentration tank and auxiliary equipment, wherein a drainage system, a medicine adding system, a stirring system and a sludge scraping conveying system are arranged in the coagulation reaction tank and the coagulation sedimentation tank in a connecting mode, the drainage system comprises a water inlet lifting pump of the coagulation reaction tank, a water inlet lifting pump water outlet of the coagulation reaction tank and a water inlet lifting pump water inlet pipe of the coagulation reaction tank, the water taking pump house is connected with the water inlet lifting pump of the coagulation reaction tank through the water inlet lifting pump water inlet pipe of the coagulation reaction tank, the water inlet lifting pump of the coagulation reaction tank is communicated with the water inlet end of the coagulation reaction tank through the water inlet lifting pump water outlet pipe of the coagulation sedimentation tank, the water inlet end of the coagulation sedimentation tank is provided with a water outlet tank, the sludge scraping conveying system comprises a central transmission scraper arranged in the coagulation sedimentation tank, a sludge outlet of the central transmission scraper is communicated with the water inlet end of the sludge concentration tank, the auxiliary equipment is internally provided with the sludge pump, and the sludge outlet of the sludge scraping conveying system is respectively connected with the sludge scraping conveying system through the medicine adding system and the sludge conveying system. When the device works, firstly, wastewater is lifted to a coagulation reaction tank through a water taking pump room, and is conveyed by a water inlet lifting pump of the coagulation reaction tank through a water inlet pipe of the water inlet lifting pump of the coagulation reaction tank and a water outlet pipe of the water inlet lifting pump of the coagulation reaction tank; the method comprises the steps of preparing a compound coagulant mixer, adding coagulant prepared by the compound coagulant mixer through a coagulation dosing pump, adding flocculant prepared by the compound coagulant mixer through the compound flocculant dosing pump, adding coagulant aid to a coagulation sedimentation tank through the PAM dosing pump, monitoring the liquid medicine amount of the PAM automatic coagulant mixer in real time by a liquid level sensor and feeding back a control system, sequentially stirring two areas of wastewater by the coagulation mixer and the flocculation mixer to promote the mixed react