A fast flocculant and preparation method thereof

Abstract

The invention relates to the field of sewage treatment, and more specifically to a rapid flocculant and a preparation method thereof, wherein the method comprises the following steps: floating microorganisms in impurities of mixed sewage are recovered into a central box by floating layer; sedimentary inorganic aluminum sulfate in another impurity of mixed sewage is recovered into a central box by sedimentation; two substances are mixed into a solid-liquid mixed flocculant by driving mixing; a carrier frame that is driven to move back and forth longitudinally by a frequency conversion drive receives the flocculant, and the driving is stopped when it is at the upper end; the carrier frame that is stopped by a driving propeller is driven to move laterally; the flocculant with different concentrations is pushed to move laterally and squeezed into a receiving frame to discharge the flocculant; the flocculant is reset by a reverse spring of the receiving frame and continues to be transported for filtering; the beneficial effect of the invention is that part of the components in the impurities of microbial sewage can be extracted and recovered to be prepared into flocculants of different concentrations for flocculation treatment of sewage with different impurities.

Description

Technical Field

[0001] The invention relates to the field of sewage treatment, and more particularly to a rapid flocculant and a preparation method thereof. Background Art

[0002] By using flocculants with different components in different sewage, harmful impurities are flocculated and recovered by producing different reactions and effects, and pollution is prevented from being discharged into the natural environment, thereby effectively protecting the environment; Patent No. CN201210218969.7 discloses a rapid flocculant and its preparation method, wherein the chemical composition of the flocculant is composed of: 75-85% of sludge in a mixing tank, 5-15% of blast furnace slag powder, 2-10% of aluminum sulfate ammonia, 2-10% of polyferric sulfate and 1-2% of additives by weight percentage. The preparation method successively stirs aluminum sulfate ammonia, polyferric sulfate, sludge in a mixing tank and blast furnace slag powder at 80-200r / min in proportion to obtain a rapid flocculant. The flocculant of the invention is composed of sludge in a mixing tank and blast furnace slag powder. The surface of the blast furnace slag powder has greater activity, which can accelerate flocculation, thereby achieving the purpose of rapid flocculation and realizing the resource utilization and high added value utilization of solid waste. However, the preparation cost of the flocculant is high and it cannot be prepared by stratification and concentration. Summary of the invention

[0003] The purpose of the present invention is to provide a rapid flocculant and a preparation method thereof, which has the beneficial effect of being able to extract and recycle some components in microbial sewage impurities to prepare flocculants of different concentrations for flocculation treatment of sewage with different impurities.

[0004] The purpose of the present invention is achieved through the following technical solutions:

[0005] A method for preparing a rapid flocculant, the method comprising the following steps:

[0006] Step 1: Recover the floating microorganisms in the mixed sewage impurities into the central box through floating layer;

[0007] Step 2: The inorganic aluminum sulfate in the mixed sewage impurities is precipitated and recovered into the central box; the two substances are mixed into a solid-liquid mixed flocculant by driving the mixture;

[0008] Step 3: The carrier frame that is moving back and forth longitudinally receives the flocculant by means of a frequency conversion drive, and stops driving when it is at the upper end; the carrier frame that is stopped is driven to move laterally by means of a driving propeller;

[0009] Step 4: The pushed flocculant with different concentrations is laterally displaced and squeezed into the receiving frame to discharge the flocculant;

[0010] Step 5: The receiving frame is reset by the reverse spring and continues to transport the filtration flocculant.

[0011] A method for preparing a rapid flocculant comprises a preparation box, an adding arc frame, a rotary regulating switching valve, a loading driver and a connecting mixing agitator, wherein the two ends of the preparation box are respectively fixedly connected to an adding arc frame for adding sewage raw materials, a rotary regulating switching valve for switching and adjusting is sealed and rotatably provided on the preparation box, a loading driver for frequency conversion control of loading flocculants is rotatably provided on the preparation box, and the loading driver drives the connecting mixing agitator to rotate at the lower end of the preparation box through bevel gear meshing.

[0012] A partition frame for separating the precipitated sewage raw materials is fixed on the inner wall of the preparation box, and a rotary regulating switching valve for controlling the flow of the raw materials is slidably arranged in the partition frame; the valve plate of the rotary regulating switching valve is connected to the slot of the partition frame.

[0013] A transparent acrylic observation plate for observation is fixedly and sealedly provided on the preparation box; wings connected to a mixing stirrer for stirring are rotatably provided at the lower end of the preparation box.

[0014] The flocculants include glycoproteins, polysaccharides, proteins, cellulose, fungi and aluminum sulfate.

[0015] The impure sewage with different emission components is recycled, and the floating microbial liquid and the precipitated inorganic aluminum sulfate impurity solid of the two sewage are respectively recycled and mixed to form a rapid flocculant; the floating microbial liquid is adjusted to flow into the central box, and the precipitated inorganic aluminum sulfate impurities are added to the central box by adjustment, and a solid-liquid mixed flocculant is formed by driving the mixing reaction, and the carrier frame is driven by the frequency conversion drive to continuously receive and discharge the flocculant to the upper end, and the filter screen is automatically used to form flocculants of different concentrations for separate recycling, and the propeller is driven to drive the carrier frame to move horizontally to the receiving frame for separate diversion and export, and then reset to continue to automatically export the flocculants according to concentration, thereby realizing the concentration classification recovery of the mixed flocculants. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the process of preparing the flocculant of the present invention;

[0017] Figure 2 The overall structure of the present invention is shown in FIG. Figure 1 ;

[0018] Figure 3 This is a schematic diagram of the structure of the present invention. Figure 2 ;

[0019] Figure 4 It is a structural schematic diagram of the preparation box of the present invention;

[0020] Figure 5It is a schematic diagram of the internal structure of the preparation box of the present invention;

[0021] Figure 6 It is a structural schematic diagram of the connection mixing agitator of the present invention;

[0022] Figure 7 It is a schematic structural diagram of the loading driver of the present invention;

[0023] Figure 8 It is a structural schematic diagram of the longitudinal displacement receiving frame of the present invention;

[0024] Fig. 9 It is a structural schematic diagram of the presenting frame of the present invention;

[0025] Fig.10 The structure of the propulsion drive of the present invention is shown in FIG. Figure 1 ;

[0026] Fig.11 The structure of the propulsion drive of the present invention is shown in FIG. Figure 2 ;

[0027] Fig.12 It is a structural schematic diagram of a receiving frame of the present invention.

[0028] In the figure: preparation box 1; adding arc frame 2; rotation adjustment switching valve 3; loading drive 4; connecting mixing agitator 5; longitudinal displacement receiving frame 6; pushing drive 7; receiving frame 8; transparent acrylic observation plate 9; partition frame 10; combined frequency conversion drive 11; driving crankshaft 12; adjusting crankshaft 13; symmetrical hinged rod 14; longitudinal limit slide 15; loading frame 17; receiving transparent plate 18; screening and stratification platform 19; eccentric driving propeller 20; eccentric hinged rod 21; pushing platform 22; limit frame 23; reset spring shaft 24; receiving flow out platform 25; diversion frame 26. DETAILED DESCRIPTION

[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0030] As shown in the embodiment shown here,

[0031] The impure sewage with different emission components is recycled, and the floating microbial liquid and the precipitated inorganic aluminum sulfate impurity solid of the two sewage are respectively recycled and mixed to form a rapid flocculant; the floating microbial liquid is adjusted to flow into the central box, and the precipitated inorganic aluminum sulfate impurities are added to the central box by adjustment, and a solid-liquid mixed flocculant is formed by driving the mixing reaction, and the carrier frame is driven by the frequency conversion drive to continuously receive and discharge the flocculant to the upper end, and the filter screen is automatically used to form flocculants of different concentrations for separate recycling, and the propeller is driven to drive the carrier frame to move horizontally to the receiving frame for separate diversion and export, and then reset to continue to automatically export the flocculants according to concentration, thereby realizing the concentration classification recovery of the mixed flocculants.

[0032] Further optimization in combination with the above embodiments:

[0033] Further basis Figure 2 , Figure 3 , Figure 4 and Figure 5 The working process of an example of a rapid flocculant preparation method shown is:

[0034] Two different sewage raw materials are added to the two ends of the inner wall of the preparation box 1 through the adding arc frame 2 and then left to stand for stratification; by adjusting the rotary regulating switching valve 3 in the preparation box 1, the floating microbial liquid is controlled by the transparent acrylic observation plate 9 to flow into the central box of the preparation box 1, and at the same time, the precipitated solid inorganic aluminum sulfate impurities are controlled to flow into the central box of the preparation box 1, and then the raw materials are extracted respectively; it is convenient to extract and mix raw materials of different properties; and then mixed through the carrier driver 4 and the connecting mixing agitator 5 to form a solid flocculent mixture.

[0035] Further optimization in combination with the above embodiments:

[0036] Further basis Figure 2 , Figure 3 , Figure 4 and Figure 5 The working process of an example of a rapid flocculant preparation method shown is:

[0037] By sealing and rotating the rotary regulating switching valve 3 on the preparation box 1, and then controlling the valve plate of the rotary regulating switching valve 3 to connect to the groove of the partition frame 10, the rotary regulating switching valve 3 located at a high position can control the inflow of floating microbial liquid; the rotary regulating switching valve 3 located at a low position can control the inflow and addition of solid inorganic aluminum sulfate, thereby facilitating the control of the extraction of raw materials.

[0038] Further optimization in combination with the above embodiments:

[0039] Further basis Figure 2 , Figure 3 , Figure 4 and Figure 5 The working process of an example of a rapid flocculant preparation method shown is:

[0040] The transparent acrylic observation plate 9 is provided to facilitate the control of the extraction of the added raw materials; the wings of the mixing stirrer 5 are driven by the carrier driver 4 to rotate at the lower end of the preparation box 1, so that the extracted raw materials are fully mixed and reacted to form flocculants.

[0041] Further optimization in combination with the above embodiments:

[0042] Furthermore, the load-bearing driver 4 includes a combined frequency conversion driver 11, a driving crankshaft 12, an adjusting crankshaft 13, a symmetrical articulated rod 14 and a longitudinal limit slide 15. The combined frequency conversion driver 11 is fixed to the side end of the preparation box 1 through a motor seat. The combined frequency conversion driver 11 is connected to the driving crankshaft 12 through a coupling and rotates in the preparation box 1. The driving crankshaft 12 is adjusted by bolts to adjust the adjusting crankshaft 13. The adjusting crankshaft 13 is rotatably connected with a symmetrical articulated rod 14 for driving the longitudinal displacement receiving frame 6. The symmetrical articulated rod 14 is hinged at the lower end of the longitudinal displacement receiving frame 6. The lower end of the longitudinal displacement receiving frame 6 is longitudinally limited and slid in two longitudinal limit frames fixed in the preparation box 1 through a longitudinal limit slide 15.

[0043] This part is based on Figure 6 , Figure 7 , Figure 8 and Fig. 9 The working process of an example of a rapid flocculant preparation method shown is:

[0044] The driving crankshaft 12 is driven to rotate by the frequency control of the combined frequency conversion driver 11, and then the adjusting crankshaft 13 is driven to rotate. The characteristics of the crankshaft formed by the driving crankshaft 12 and the adjusting crankshaft 13 drive the symmetrical hinged rod 14 and the longitudinal displacement receiving frame 6 to move longitudinally back and forth in the two longitudinal limit frames in the preparation box 1 through the longitudinal limit slide 15. The longitudinal displacement receiving frame 6 located at a high place is stopped intermittently through frequency conversion control to facilitate processing and extraction; the driving crankshaft 12 drives the connected mixing agitator 5 to rotate at the center of the lower end of the preparation box 1 through the engagement of the bevel gear to drive mixing and stirring; the height on the driving crankshaft 12 is adjusted by adjusting the bolts on the adjusting crankshaft 13, and then the driving distance is adjusted to facilitate the position matching adjustment of the equipment.

[0045] Further optimization in combination with the above embodiments:

[0046] Furthermore, the longitudinal displacement receiving frame 6 has a transverse limited sliding carrier frame 17 for filtering the flocculant; the carrier frame 17 includes a receiving transparent plate 18 and a screening and stratification platform 19, a plurality of screening and stratification platforms 19 are fixed in the receiving transparent plate 18, and a screening mesh for screening is fixed in the screening and stratification platform 19.

[0047] This part is based on Figure 6 , Figure 7 , Figure 8 and Fig. 9 The working process of an example of a rapid flocculant preparation method shown is:

[0048] The receiving transparent plate 18 on the carrier frame 17 receives the added flocculant to the screening and stratification platforms 19 of different layers when falling, and the screening meshes on the screening and stratification platforms 19 are used to screen different liquid concentrations respectively, so that the components and concentrations of the flocculants at different heights are different, which is convenient for using different flocculants to carry out sewage flocculation treatment, and then convenient for classification and recovery.

[0049] Further optimization in combination with the above embodiments:

[0050] Furthermore, a propulsion driver 7 for propulsion extrusion and a receiving frame 8 for receiving diversion are fixed to the upper end of the preparation box 1 .

[0051] This part is based on Fig. 9 , Fig.10 , Fig.11 and Fig.12 The working process of an example of a rapid flocculant preparation method shown is:

[0052] By driving the lateral reciprocating displacement of the propulsion driver 7, the carrier frame 17 is laterally displaced from the longitudinal displacement receiving frame 6 and squeezed into the receiving and diverting receiving frame 8, and the layered flocculants are recovered separately through layered connection; the squeezing service of the spring in the receiving frame 8 facilitates further processing.

[0053] Further optimization in combination with the above embodiments:

[0054] Furthermore, the propulsion driver 7 includes an eccentric drive propeller 20, an eccentric hinged rod 21, a propulsion platform 22 and a limit frame 23. The eccentric drive propeller 20 is fixed to the upper end of the preparation box 1. The eccentric drive propeller 20 drives the eccentric hinged rod 21 through the eccentric wheel to make the propulsion platform 22 move laterally on the limit frame 23 to push the carrier frame 17.

[0055] This part is based on Fig. 9 , Fig.10 , Fig.11 and Fig.12 The working process of an example of a rapid flocculant preparation method shown is:

[0056] The eccentric hinged rod 21 of the eccentric disk on the eccentric driving propeller 20 causes the pushing platform 22 to move horizontally back and forth in the limit frame 23 fixed on the preparation box 1, pushing the carrier frame 17 out of the longitudinal displacement receiving frame 6 and inserting it into the receiving frame 8, and preventing interference by controlling the driving time through frequency conversion.

[0057] Further optimization in combination with the above embodiments:

[0058] Furthermore, the receiving frame 8 includes a reset spring shaft 24, a receiving flow-out platform 25 and a diversion frame 26. The reset spring shaft 24 slides transversely within the receiving flow-out platform 25 and is connected to the diversion frame 26 for diversion and outlet.

[0059] This part is based on Fig. 9 , Fig.10 , Fig.11 and Fig.12 The working process of an example of a rapid flocculant preparation method shown is:

[0060] The return spring shaft 24 is squeezed by the extrusion carrier frame 17 and connected to the diversion frame 26 in the receiving outflow platform 25, so that the flocculants with different concentrations that are filtered by the layers are recovered and used in different environments respectively; the spring on the return spring shaft 24 is used for extrusion and reset, which is convenient for continuous processing and preparation.

[0061] The fixed connection described in the present device may refer to fixation by welding, block merging fixation, casting integral forming fixation and threaded fixation, etc., and the adaptation selection is made in combination with the installation and disassembly methods; the rotation connection described may refer to the process of baking the bearing on the shaft, providing a spring retaining ring groove or an inter-shaft baffle on the shaft or the shaft hole, and realizing the axial fixation of the bearing by clamping the elastic retaining ring in the spring retaining ring groove or the inter-shaft baffle, and realizing rotation by the relative sliding of the bearing; the limited sliding refers to the sliding mode in which a slider with a ball or bearing that reduces resistance slides in a fitting manner with a slide groove, limits the sliding trajectory, sliding direction and position, and limits the position by limiting the position; in combination with different usage environments, different connection methods are used for further differentiation.

Claims

1. A method for preparing a rapid flocculant, Features: The method comprises the following steps: Step 1: Recover the floating microorganisms in the mixed sewage impurities into the central box through floating layer; Step 2: The sedimentary inorganic aluminum sulfate in the impurities of another mixed sewage is deposited and recovered into the central box; the two substances are mixed into a solid-liquid mixed flocculant by driving the mixing; Step 3: The carrier frame that is moving back and forth longitudinally receives the flocculant by means of a frequency conversion drive, and stops driving when it is at the upper end; the carrier frame that is stopped is driven to move laterally by means of a driving propeller; Step 4: The pushed flocculant with different concentrations is laterally displaced and squeezed into the receiving frame to discharge the flocculant; Step 5: The receiving frame is pressed back by the reverse spring to continue transporting the filtration flocculant; It comprises a preparation box (1), an arc-shaped adding frame (2), a rotary regulating switching valve (3), a loading driver (4) and a connecting mixing agitator (5), wherein the two ends of the preparation box (1) are respectively fixedly connected to the arc-shaped adding frame (2) for adding sewage raw materials, a rotary regulating switching valve (3) for switching and regulating is provided on the preparation box (1) in a sealed and rotatable manner, a loading driver (4) for frequency conversion control of loading flocculants is provided on the preparation box (1), and the loading driver (4) drives the connecting mixing agitator (5) to rotate at the lower end of the preparation box (1) through bevel gear meshing; A partition frame (10) for separating the precipitated sewage raw materials is fixed on the inner wall of the preparation box (1), and a rotary regulating switching valve (3) for controlling the flow of the raw materials is slidably arranged in the partition frame (10); the valve plate of the rotary regulating switching valve (3) is connected to the slot of the partition frame (10); A transparent acrylic observation plate (9) for observation is fixedly and sealedly provided on the preparation box (1); wings connected to a mixing stirrer (5) for stirring are rotatably provided at the lower end of the preparation box (1); The loading driver (4) comprises a combined variable frequency driver (11), a driving crankshaft (12), an adjusting crankshaft (13), a symmetrical hinged rod (14) and a longitudinal limit slide (15), wherein the combined variable frequency driver (11) is fixed to the side end of the preparation box (1) via a motor seat, the combined variable frequency driver (11) is connected to the driving crankshaft (12) via a coupling and rotates in the preparation box (1), the driving crankshaft (12) is adjusted by bolts to adjust the adjusting crankshaft (13), the adjusting crankshaft (13) is rotatably connected to a symmetrical hinged rod (14) for driving a longitudinal displacement receiving frame (6), the symmetrical hinged rod (14) is hinged to the lower end of the longitudinal displacement receiving frame (6), and the lower end of the longitudinal displacement receiving frame (6) is longitudinally limited and slid in two longitudinal limit frames fixed in the preparation box (1) via the longitudinal limit slide (15); The longitudinal displacement receiving frame (6) is provided with a carrier frame (17) for filtering the flocculant in a transverse limited sliding manner; the carrier frame (17) comprises a receiving transparent plate (18) and a screening and stratification platform (19); a plurality of screening and stratification platforms (19) are fixed in the receiving transparent plate (18); and a screening screen for filtering is fixed in the screening and stratification platform (19); A propulsion driver (7) for propulsion extrusion and a receiving frame (8) for receiving diversion are fixed at the upper end of the preparation box (1); The propulsion driver (7) comprises an eccentric drive propeller (20), an eccentric hinged rod (21), a propulsion platform (22) and a limit frame (23); the eccentric drive propeller (20) is fixed to the upper end of the preparation box (1); the eccentric drive propeller (20) drives the eccentric hinged rod (21) via an eccentric wheel to cause the propulsion platform (22) to move laterally on the limit frame (23) to push the carrier frame (17); The receiving frame (8) comprises a return spring shaft (24), a receiving outflow platform (25) and a diversion frame (26); the return spring shaft (24) slides transversely within the receiving outflow platform (25) and is connected to the diversion frame (26) for diversion and outlet.

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