Heavy metal wastewater treatment equipment

Abstract

The utility model discloses heavy metal wastewater treatment equipment, which belongs to the technical field of wastewater treatment and comprises a box body, the interior of the box body is divided into a precipitation cavity, a water storage cavity, a metal treatment cavity and an instrument cavity, and the metal treatment cavity is composed of a PAM dosing cavity, a PAC dosing cavity, a heavy metal reaction cavity and a PH adjusting cavity. The PH adjusting cavity, the heavy metal reaction cavity, the PAC dosing cavity and the PAM dosing cavity perform dosing through a dosing module arranged in the instrument cavity; in the specific implementation process, wastewater is introduced into the PH adjusting cavity from the water inlet for PH adjustment, then sequentially enters the heavy metal reaction cavity, the PAC dosing cavity and the PAM dosing cavity and then enters the bottom of the sedimentation cavity through the uniform water distribution system, and the wastewater is subjected to sludge sedimentation through a sedimentation inclined plate and then enters the water storage cavity for storage. The box body only needs to be placed at a proper position when the box body needs to be used, and the box body only needs to be carried away when the box body needs to be disassembled.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field, concretely relates to a heavy metal wastewater treatment equipment. BACKGROUND

[0002] For the enterprise mainly engaged in the research and development of electronic chemical formula (degreasing agent, micro-etching agent, pre-impregnation agent, brown agent etc.) and not producing and discharging the first type heavy metal pollutant, the enterprise will produce cleaning wastewater because of cleaning laboratory appliance when carrying out the research and development activity, and the main pollutant in the wastewater is heavy metal, according to the relevant requirements of the state environmental protection management department, the discharge amount and control amount of wastewater in the production process must be strictly controlled.

[0003] The heavy metal wastewater treatment tank of the present is built with cement, for some small research and development enterprises, the wastewater heavy metal content produced in the research and development process of the enterprises is very high, and the heavy metal treatment tank needs to be removed after the research and development activity, and the heavy metal wastewater treatment tank built with cement needs time and effort and high cost whether building or removing, therefore, the enterprises need a temporary and convenient wastewater treatment equipment with strong heavy metal treatment capacity to meet the wastewater treatment requirement. UTILITY MODEL CONTENT

[0004] The utility model discloses a heavy metal wastewater treatment equipment to solve the above problems existing in the prior art.

[0005] In order to solve the above technical problems, the utility model provides a heavy metal wastewater treatment equipment, including the box, the inside portion of the box is the sedimentation cavity, the water storage cavity, the metal processing cavity and the instrument cavity, the metal processing cavity is composed of PAM dosing cavity, PAC dosing cavity, heavy metal reaction cavity and PH adjusting cavity, the lateral wall of PH adjusting cavity is provided with the water inlet, the lateral wall of water storage cavity is provided with the water outlet, the inside of sedimentation cavity is provided with the settlement inclined plate, the even water distribution system is provided with the settlement inclined plate below, the even water distribution system is connected with the bottom of PAM dosing cavity, PH adjusting cavity, heavy metal reaction cavity, PAC dosing cavity, PAM dosing cavity, sedimentation cavity and water storage cavity are communicated in proper order, PH adjusting cavity, heavy metal reaction cavity, PAC dosing cavity and PAM dosing cavity are dosed through the dosing module arranged in the instrument cavity.

[0006] As a preferred scheme, the bottom of the sedimentation cavity is provided with a sludge discharge port, and a valve is arranged in the sludge discharge port.

[0007] As a preferred scheme, the bottom of the sedimentation cavity is provided with a funnel shape converging to the sludge discharge port.

[0008] As a preferred scheme, the PH adjusting cavity is internally provided with a stirring mechanism, which is composed of a circulating pipeline, a circulating pump and a water outlet pipe, the water outlet pipe is arranged in the PH adjusting cavity, the circulating pipeline is arranged in the instrument cavity, the circulating pump is arranged on the circulating pipeline, one end of the circulating pipeline is connected with one end of the water outlet pipe, the other end of the circulating pipeline is communicated with the PH adjusting cavity and the communication part is higher than the height of the water outlet pipe, a plurality of water outlet holes are uniformly arranged on the water outlet pipe and the water outlet holes are upwardly opened.

[0009] As a preferred scheme, the PAC dosing cavity and the heavy metal reaction cavity are internally provided with the stirring mechanism, and the arrangement mode is the same as that of the stirring mechanism arranged in the PH adjusting cavity.

[0010] As a preferred scheme, the uniform water distribution system comprises a water distribution pipe arranged below the sedimentation inclined plate, a plurality of water distribution holes are uniformly arranged on the water distribution pipe and the water distribution holes are downwardly opened.

[0011] As a preferred scheme, the water distribution pipe is arranged as at least two.

[0012] As a preferred scheme, the PAC dosing cavity, the PH adjusting cavity and the heavy metal reaction cavity are internally provided with a waterless sensor, and the waterless sensor is slightly higher than the circulating pipeline.

[0013] Beneficial effects: the utility model relates to a kind of heavy metal wastewater treatment equipment, when specifically implemented, wastewater is introduced from the water inlet into the PH adjusting cavity and is adjusted, then sequentially enters the heavy metal reaction cavity, PAC dosing cavity and PAM dosing cavity and then enters the bottom of the sedimentation cavity by the uniform water distribution system, wastewater enters the water storage cavity after sludge settlement by the sedimentation inclined plate and is stored, wastewater is discharged by the water outlet after the pollutant in wastewater is detected by detection personnel to reach standard, and the water outlet can be connected with the water inlet if detection is unqualified, so that wastewater is purified multiple times, the device is small and compact, and when needed, the box can be placed in a suitable position, and when disassembled, the box can be removed, to meet the needs of some small and medium-sized enterprises for temporary heavy metal wastewater treatment. ACCURACY

[0014] Fig. 1 It is the overall structure schematic diagram of the utility model.

[0015] Fig. 2 It is the partial structure section three-dimensional schematic diagram of the utility model.

[0016] Fig. 3 It is the partial structure section schematic diagram of the utility model.

[0017] The attached diagrams are labeled as follows: 1. Box body; 2. Water storage chamber; 3. Sedimentation chamber; 4. pH adjustment chamber; 5. Heavy metal reaction chamber; 6. PAC dosing chamber; 7. PAM dosing chamber; 8. Inlet; 9. Outlet; 10. Settling inclined plate; 11. Water distribution pipe; 12. Water distribution hole; 13. Instrument chamber; 14. Dosing module; 15. Circulation pipe; 16. Circulation pump; 17. Outlet pipe; 18. Outlet hole; 20. Sludge discharge port; 21. No water sensor. Detailed Implementation

[0018] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.

[0019] The applicant's research found that most current heavy metal wastewater treatment ponds are constructed with cement. For some small R&D enterprises, the wastewater generated during the R&D process has a very high heavy metal content. After the R&D activities are completed, the heavy metal treatment ponds need to be dismantled. The cement-constructed heavy metal wastewater treatment ponds are time-consuming, labor-intensive, and costly to build and dismantle. Therefore, such enterprises need a temporary and portable wastewater treatment device with strong heavy metal treatment capabilities to meet their wastewater treatment requirements.

[0020] Therefore, this utility model provides a heavy metal wastewater treatment device. Please refer to [link / reference]. Figs. 1 to 3The device body comprises a box 1, a sedimentation cavity 3, a water storage cavity 2, a metal treatment cavity and an instrument cavity 13 in the box 1, the metal treatment cavity is composed of a PAM dosing cavity 7, a PAC dosing cavity 6, a heavy metal reaction cavity 5 and a PH adjusting cavity 4, a water inlet 8 is arranged on the side wall of the PH adjusting cavity 4, a water outlet 9 is arranged on the side wall of the water storage cavity 2, a sedimentation inclined plate 10 is arranged in the sedimentation cavity 3, a uniform water distribution system is arranged below the sedimentation inclined plate 10, the uniform water distribution system is communicated with the bottom of the PAM dosing cavity 7, the PH adjusting cavity 4, the heavy metal reaction cavity 5, the PAC dosing cavity 6, the PAM dosing cavity 7, the sedimentation cavity 3 and the water storage cavity 2 are sequentially communicated, the PH adjusting cavity 4, the heavy metal reaction cavity 5, the PAC dosing cavity 6 and the PAM dosing cavity 7 are dosed through the dosing module 14 arranged in the instrument cavity 13, in specific implementation, wastewater is introduced into the PH adjusting cavity 4 from the water inlet 8 for PH adjustment, then sequentially enters the heavy metal reaction cavity 5, the PAC dosing cavity 6 and the PAM dosing cavity 7, and then enters the bottom of the sedimentation cavity 3 through the uniform water distribution system, the wastewater enters the water storage cavity 2 for storage after sludge sedimentation through the sedimentation inclined plate 10, the wastewater is discharged through the water outlet 9 after the pollutants in the wastewater are detected by the detector, and the water outlet 9 can be connected with the water inlet 8 to make the wastewater undergo multiple purification processes if the detection is unqualified.

[0021] Preferably, a sludge discharge port 20 is arranged at the bottom of the sedimentation cavity 3, and a valve is arranged in the sludge discharge port 20, in specific implementation, the sludge settled at the bottom of the sedimentation cavity 3 is discharged through the sludge discharge port 20.

[0022] Preferably, in order to facilitate emptying of the sludge, the bottom of the sedimentation cavity 3 is funnel-shaped and converges to the sludge discharge port 20.

[0023] Further, a stirring mechanism is arranged in the PH adjusting cavity 4, the stirring mechanism comprises a circulating pipeline 15, a circulating pump 16 and a water outlet pipe 17, the water outlet pipe 17 is arranged in the PH adjusting cavity 4, the circulating pipeline 15 is arranged in the instrument cavity 13, the circulating pump 16 is arranged on the circulating pipeline 15, one end of the circulating pipeline 15 is connected with one end of the water outlet pipe 17, the other end of the circulating pipeline is communicated with the PH adjusting cavity and the height of the communication part is higher than that of the water outlet pipe, a plurality of water outlet holes 18 are uniformly arranged on the water outlet pipe 17, and the water outlet holes 18 are upwardly opened, in specific implementation, the wastewater in the upper layer of the PH adjusting cavity 4 can be pumped to the lower layer of the PH adjusting cavity 4 through the circulating pump 16 and discharged from the water outlet holes 18, and the stirring mode of pumping from the upper layer to the lower layer can avoid damage to the circulating pump 16 caused by a large amount of precipitated sundries being sucked into the circulating pump 16.

[0024] Further, the PAC dosing chamber 6 and the heavy metal reaction chamber 5 are both provided with the stirring mechanism, and the setting mode is the same as that of the stirring mechanism provided in the PH adjusting chamber 4.

[0025] Further, the uniform water distribution system comprises a water distribution pipe 11 provided below the sedimentation inclined plate 10, a plurality of water distribution holes 12 are uniformly provided on the water distribution pipe 11, and the water distribution holes 12 are downwardly opened.

[0026] Preferably, in order to make the water distribution more uniform, the water distribution pipe 11 is provided as at least two.

[0027] Preferably, the PAC dosing chamber 6, the PH adjusting chamber 4 and the heavy metal reaction chamber 5 are provided with a waterless sensor 21, the waterless sensor 21 is slightly higher than the circulating pipe 15, and the waterless sensor 21 can avoid the no-load of the circulating pump 16.

[0028] The preferred embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the specific details in the above-described embodiments, and various equivalent transformations can be made to the technical scheme of the present application within the technical concept of the present application, and these equivalent transformations all belong to the protection scope of the present application.

Claims

1. A heavy metal wastewater treatment apparatus, characterized by comprising: Include: The box; The box is divided into sedimentation chamber, water storage chamber, metal processing chamber and instrument chamber, the metal processing chamber is composed of PAM dosing chamber, PAC dosing chamber, heavy metal reaction chamber and PH adjusting chamber, the side wall of the PH adjusting chamber is provided with water inlet, the side wall of the water storage chamber is provided with water outlet, the inside of the sedimentation chamber is provided with settlement inclined plate, the lower part of the settlement inclined plate is provided with uniform water distribution system, the uniform water distribution system is communicated with the bottom of the PAM dosing chamber, the PH adjusting chamber, the heavy metal reaction chamber, the PAC dosing chamber, the PAM dosing chamber, the sedimentation chamber and the water storage chamber are communicated in sequence; The PH adjusting chamber, the heavy metal reaction chamber, the PAC dosing chamber and the PAM dosing chamber are dosed by the dosing module arranged in the instrument chamber.

2. The heavy metal wastewater treatment equipment according to claim 1, wherein: The bottom of the sedimentation chamber is provided with a sludge discharge port, and the sludge discharge port is provided with a valve.

3. The heavy metal wastewater treatment equipment according to claim 2, wherein: The bottom of the sedimentation chamber is provided with a funnel-shaped funnel.

4. The heavy metal wastewater treatment equipment according to claim 1, wherein: The PH adjusting chamber is provided with a stirring mechanism, the stirring mechanism is composed of a circulating pipeline, a circulating pump and a water outlet pipe, the water outlet pipe is arranged in the PH adjusting chamber, the circulating pipeline is arranged in the instrument chamber, the circulating pump is arranged on the circulating pipeline, one end of the circulating pipeline is connected with one end of the water outlet pipe, the other end of the circulating pipeline is communicated with the PH adjusting chamber and the height of the two communication parts is higher than that of the water outlet pipe, a plurality of water outlet holes are uniformly arranged on the water outlet pipe, and the water outlet holes are opened upward.

5. The heavy metal wastewater treatment equipment according to claim 4, wherein: The PAC dosing chamber and the heavy metal reaction chamber are provided with the stirring mechanism, and the arrangement mode is the same as that of the stirring mechanism arranged in the PH adjusting chamber.

6. The heavy metal wastewater treatment equipment according to claim 1, wherein: The uniform water distribution system comprises a water distribution pipe arranged below the settlement inclined plate, a plurality of water distribution holes are uniformly arranged on the water distribution pipe, and the water distribution holes are opened downward.

7. The heavy metal wastewater treatment equipment according to claim 6, wherein: The water distribution pipe is provided as at least two.

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