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CN-224212481-U - Flocculation mechanism for heavy metal wastewater adding medicine

CN224212481UCN 224212481 UCN224212481 UCN 224212481UCN-224212481-U

Abstract

The utility model relates to the technical field of heavy metal wastewater treatment, and discloses a heavy metal wastewater medicinal flocculation mechanism, wherein a premixing dosing mechanism is positioned outside a flocculation tank, mixes water and a medicament in a station external medicament adding mode, and adds the mixed water and medicament into the flocculation tank through a dosing pipeline; the premixing dosing mechanism comprises a PE (polyethylene) medicine box, an electromagnetic diaphragm metering pump and a pipeline mixer, wherein a stirrer for stirring and preventing precipitation of medicines is inserted into the PE medicine box, the electromagnetic diaphragm metering pump provides power for dosing, a liquid inlet pipeline on the electromagnetic diaphragm metering pump is communicated with a liquid suction pipe inserted into the PE medicine box, the pipeline mixer is used for mixing medicines with water, and a medicine feeding port on the pipeline mixer is communicated with a liquid outlet pipeline of the electromagnetic diaphragm metering pump. The automatic adjustment and the efficient reaction of the dosing amount of the medicament are realized through the accurate medicament control of the electromagnetic diaphragm metering pump and the reinforced premixing of the pipeline mixer, compared with the traditional process, the medicament waste rate is reduced, the flocculation efficiency is improved, and the roller shaft auxiliary feeding shortens the time for manually replacing the medicament box.

Inventors

  • SHI XILIANG
  • Shi Kechen
  • Bian Xiaomei
  • XIE XIONGHUI

Assignees

  • 无锡市新永大环保设备有限公司

Dates

Publication Date
20260508
Application Date
20250625

Claims (8)

  1. 1. A flocculation mechanism for heavy metal wastewater addition, comprising: The pre-mixing dosing mechanism (1) is positioned outside the flocculation tank (2) and is used for mixing water and a medicament in a station dosing mode and then adding the mixture into the flocculation tank (2) through a dosing pipeline (3), and the pre-mixing dosing mechanism (1) comprises: the PE medicine box (4) is placed on the bracket (5) in a replaceable manner, and an opening (401) at the top of the PE medicine box (4) penetrates through a stirrer (8) which stretches into the PE medicine box (4) and stirs and prevents the medicine from precipitating; an electromagnetic diaphragm metering pump (6) which provides power for dosing, wherein a liquid inlet pipeline (9) on the electromagnetic diaphragm metering pump (6) is communicated with a liquid suction pipe (10) inserted into the PE medicine box (4); The pipeline mixer (7) is used for mixing the medicament and the water, the pipeline mixer (7) is provided with a water inlet pipe (701) and a medicament adding port (702), and the medicament adding port (702) is communicated with a liquid outlet pipeline (11) of the electromagnetic diaphragm metering pump (6).
  2. 2. The flocculation mechanism for adding heavy metal wastewater according to claim 1, wherein the PE medicine box (4) is provided with a filling port (403) screwed with a sealing cover A (402), and the filling port is inserted into a positioning socket (404) in cooperation with a liquid suction pipe (10).
  3. 3. The flocculation mechanism for adding heavy metal wastewater is characterized in that a base of a bracket (5) is provided with a supporting plate (501) which is matched with a PE medicine box (4) to be stably placed and a plurality of roll shafts (502) which are arranged outside the supporting plate (501) in an equidistance manner, and the roll shafts (502) are used for assisting the PE medicine box (4) to be fed onto the supporting plate (501).
  4. 4. The flocculation mechanism for adding heavy metal wastewater is characterized in that an arc-shaped limiting plate (503) which is matched with the limit of the PE medicine box (4) is arranged on the support (5) and positioned at the top of the support plate (501), a door frame (504) which can open and position the PE medicine box (4) in the arc-shaped limiting plate (503) in a propping way is arranged on the support (5), and a sponge block (505) which can tightly position the PE medicine box (4) in a propping way when the door frame (504) is closed is adhered to the inner side surface of the door frame (504).
  5. 5. The flocculation mechanism for adding heavy metal wastewater according to claim 1, wherein a descending cylinder (12) for pushing the stirrer (8) to move downwards is arranged at the top of the bracket (5).
  6. 6. The flocculation mechanism for adding heavy metal wastewater according to claim 1, wherein a stepped frame (507) is arranged on one side of the bracket (5), and the electromagnetic diaphragm metering pump (6) and the pipeline mixer (7) are respectively arranged and fixed on the stepped frame (507).
  7. 7. A flocculation mechanism for adding heavy metal wastewater according to claim 1 is characterized in that a pressure gauge (704) is arranged on the pipeline mixer (7).
  8. 8. The flocculation mechanism for adding heavy metal wastewater according to claim 1, wherein a valve (705) is arranged on the water inlet pipe (701).

Description

Flocculation mechanism for heavy metal wastewater adding medicine Technical Field The utility model belongs to the technical field of heavy metal wastewater treatment, and particularly relates to a flocculation mechanism for adding medicines into heavy metal wastewater. Background In the field of heavy metal wastewater treatment, a flocculation precipitation method is widely applied due to mature technology. In traditional treatment, a PE medicine box is usually arranged on a support at the top of a flocculation tank, and a medicine adding valve is manually opened to automatically add the medicine, so that the medicine and the wastewater are mixed and naturally spread depending on the water flow in the tank. This process has gradually revealed many disadvantages at the moment of the rise in environmental requirements and the increase in demand for automated handling. The chemical dosing relies on a manual valve to regulate self-flow, cannot be accurately controlled according to water quality and water quantity, the change of liquid level of a chemical tank can also cause flow fluctuation, chemical waste is caused, the treatment effect is unstable, the chemical tank with limited capacity is manually replaced frequently, labor intensity is high, the chemical is more corrosive, potential safety hazards exist in operation, the chemical is directly dosed into a tank, mixing efficiency is low, a 'medicine cluster' is easy to form, flocculation is small, sedimentation is slow, and the chemical is difficult to adapt to the high-concentration wastewater treatment requirement. In view of this, we propose a flocculation mechanism for heavy metal wastewater and medicine to solve the above problems. Disclosure of utility model The utility model aims to solve the technical problems that in the prior art, manual self-flowing dosing is relied on, the dosage flow is affected by the liquid level and fluctuates greatly, the dosing amount is uncontrollable, the waste is serious, and the labor intensity of manually and frequently replacing the medicine box is high. In order to achieve the above purpose, the present utility model provides the following technical solutions: A flocculation mechanism for heavy metal wastewater addition, comprising: The pre-mixing dosing mechanism is positioned outside the flocculation tank, mixes water and a medicament in a station external additive mode, and adds the mixed water and the medicament into the flocculation tank through a dosing pipeline, wherein the pre-mixing dosing mechanism comprises: The PE medicine box is placed on the support in a replaceable manner, and an opening at the top of the PE medicine box penetrates through a stirrer which stretches into the PE medicine box and stirs and prevents the medicine from precipitating; An electromagnetic diaphragm metering pump which provides power for dosing, wherein a liquid inlet pipeline on the electromagnetic diaphragm metering pump is communicated with a liquid suction pipe inserted into the PE medicine box; The pipeline mixer is used for mixing the medicament with water, and is provided with a water inlet pipe and a medicament adding port which is communicated with a liquid outlet pipeline of the electromagnetic diaphragm metering pump. Preferably, the PE medicine chest is provided with a filling opening screwed with the sealing cover A and is matched with a faucet for inserting and positioning a liquid suction pipe. The socket can be fastened with a sealing block for sealing the socket, and the top opening of the PE medicine box can be sealed through the fastened sealing block. Preferably, the base of the support is provided with a supporting plate matched with the PE medicine box to be stably placed and a plurality of roll shafts which are arranged outside the supporting plate at equal intervals, and the roll shafts are used for assisting the PE medicine box to be fed to the supporting plate. Preferably, the support is provided with an arc-shaped limiting plate matched with the PE medicine box to limit the PE medicine box, the support is provided with a door frame which can be opened and used for propping the PE medicine box to be positioned in the arc-shaped limiting plate, and the inner side surface of the door frame is bonded with a sponge block which can tightly prop the PE medicine box to be positioned when the door frame is closed. One side of the door frame is hinged on the bracket, and the other side is buckled with the bracket through a lock catch. Preferably, the stirrer comprises a stirring motor arranged on the mounting frame, a stirring shaft fixedly connected with an output shaft of the stirring motor and stirring blades arranged on the stirring shaft, a descending air cylinder pushing the stirrer to move downwards is arranged at the top of the bracket, the end part of a piston rod of the descending air cylinder is fixedly connected with the top of the mounting frame, and the bottom of the mounting frame is used for sea