PAC modular baffling mixing device for coagulation reaction tank

Abstract

The utility model provides a PAC modularized baffling mixing device for a coagulation reaction tank, relates to a water treatment equipment technology, and particularly discloses a baffling mixing mechanism arranged in a first box body, and a PAC dosing pipe is arranged at the bottom of the first box body. The baffling mixing mechanism is used for guiding the sewage to do rotational motion upwards in the vertical direction, prolonging the retention time of the sewage, enhancing the mixing effect of a PAC agent and the sewage and promoting rapid diffusion and reaction of a coagulant; the top of the first box body is communicated with the top of the second box body, sewage upwelling in the first box body is guided into the second box body from the top of the first box body and is mixed again through a PAM mixing and stirring mechanism installed in the second box body, the contact efficiency of a PAM agent and the sewage is improved, and agent waste is avoided; the bottom of the second box body is communicated with the bottom of the third box body, and a flocculation stirring mechanism is mounted in the third box body. Sewage is treated by stages through modular design, stage-by-stage optimization of coagulation and flocculation is realized, and the overall treatment efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment equipment technical field, specifically, relate to a kind of for coagulation reaction pool PAC modularization baffle mixing device. BACKGROUND

[0002] In water treatment process, PAC is used as a common coagulant, needs to be fully mixed with water body to realize efficient coagulation. The traditional mechanical stirring mode has the problems of high energy consumption, large equipment size, high maintenance cost. Although baffle mixing technology is energy-saving and has high mixing efficiency, there are the following problems in the application of the equipment: it is difficult to install the baffle plate fixedly, and the internal anticorrosion construction is difficult. The existing baffle mixing device cannot adapt to the fluctuating water inlet demand of different scenes. After long-term operation, the baffle plate is easy to be blocked, and there are cleaning and maintenance difficulties.

[0003] Therefore, there is an urgent need for a baffle mixing device that can be flexibly adjusted and easily maintained. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of for coagulation reaction pool PAC modularization baffle mixing device, and it can solve the problems proposed in the above background art in view of the deficiencies of prior art.

[0005] The technical scheme of the utility model is realized as follows:

[0006] The utility model provides a kind of for coagulation reaction pool PAC modularization baffle mixing device, including first box body, second box body and third box body that are sequentially communicated, the bottom of first box body is installed with water inlet flange, and baffle mixing mechanism is installed in first box body, and baffle mixing mechanism is used to guide sewage to make rotary motion along vertical direction upward;The top of first box body is installed with the top of second box body, the bottom of second box body and the bottom of third box body are communicated, PAM mixing stirring mechanism is installed in second box body, and flocculation stirring mechanism is installed in third box body.

[0007] In some technical schemes of the utility model, the baffle mixing mechanism comprises a baffle frame, a first baffle plate and a second baffle plate which are installed in the first box body, the top and bottom of the baffle frame are provided with inlets and outlets, and the two inlets and outlets are arranged in a staggered manner on the baffle frame; the first baffle plate is installed on one side of the baffle frame along the horizontal direction, and the second baffle plate is installed on the other side of the baffle frame along the horizontal direction; the first baffle plate and the second baffle plate divide the baffle frame into a plurality of baffle channels; the plurality of baffle channels are sequentially communicated, two groups of turbulence structures are installed in the baffle channels, the turbulence structure comprises a plurality of turbulence plates, the plurality of turbulence plates are installed in the plurality of baffle channels respectively, the plurality of turbulence plates in the same turbulence structure are coaxial, two groups of driving mechanisms corresponding to the turbulence structures are installed in the first box body, and the driving mechanism is used for driving the plurality of turbulence plates in the same group of turbulence structures to rotate.

[0008] In some technical schemes of the utility model, the driving mechanism comprises a first driving motor which is installed on the top of the first box body, a rotating sleeve is arranged in the baffle frame, a transmission shaft is rotatably arranged in the rotating sleeve, a transmission box is installed on the top of the first box body, the rotating sleeve and the transmission shaft are in transmission connection with the transmission box, the output end of the first driving motor is in transmission connection with the input end of the transmission box, a naked opening is formed in the outer side wall of the rotating sleeve, and the turbulence plate between the first baffle plate and the second baffle plate is connected with the transmission shaft after being arranged in the naked opening; the remaining turbulence plates are installed on the outer side wall of the rotating sleeve.

[0009] In some technical schemes of the utility model, the PAM mixing and stirring mechanism comprises a second driving motor which is installed on the top of the second box body, a mixing cylinder is installed in the second box body, a first rotating shaft which is in transmission connection with the second driving motor is rotatably arranged in the mixing cylinder, two groups of first paddle structures are installed on the outer side wall of the first rotating shaft, a plurality of drainage plates are arranged around the bottom of the mixing cylinder and the second box body, and the drainage plates are obliquely installed on the inner bottom wall of the second box body.

[0010] In some technical schemes of the utility model, the flocculation stirring mechanism comprises a third driving motor which is installed on the top of the third box body, a second rotating shaft is rotatably arranged in the third box body, and two groups of second paddle structures are installed on the outer side wall of the second rotating shaft.

[0011] In some technical schemes of the utility model, the second box body is provided with a PAM dosing pipe.

[0012] In some technical schemes of the utility model, the bottom of the first box body is provided with a PAC dosing pipe.

[0013] In some technical schemes of the utility model, a plurality of overflow holes are equidistantly formed in the top wall of the baffle frame.

[0014] Compared with the prior art, the utility model has at least the following advantages or beneficial effects: The first tank body is internally provided with a baffle mixing mechanism, and the bottom of the first tank body is provided with a PAC dosing pipe. The baffle mixing mechanism is used for guiding sewage to make a rotary motion in a vertical direction upward, prolonging the sewage residence time, enhancing the mixing effect of PAC medicament and sewage, and promoting the rapid diffusion and reaction of coagulant. The top of the first tank body is provided with a first tank body top communicating port for guiding sewage upwelling in the first tank body into the second tank body from the top of the second tank body, mixing again through the PAM mixing and stirring mechanism internally provided in the second tank body, and adding PAM medicament through the PAM dosing pipe provided at the top of the second tank body, so as to improve the contact efficiency of PAM medicament and sewage and avoid medicament waste. The bottom of the second tank body is communicated with the bottom of the third tank body, and the third tank body is internally provided with a flocculation stirring mechanism. The three tank bodies are used for treating sewage in stages through the modular design, so that the coagulation and flocculation are gradually optimized, and the overall treatment efficiency is improved. When the driving mechanism drives the deflector plate to make a deflection motion in the circumferential direction of the transmission shaft in the baffle channel, the dead water area in the baffle channel can be prevented, and the problem of precipitation of solid substances in the sewage can be prevented. The deflector plate is fixed on the rotating sleeve and the transmission shaft, and the adjacent deflector plates are reversely rotated through the coaxial reverse distribution box, so that the flow direction of the sewage in the water inlet mixing area is kept consistent, the problem of poor mixing effect of the sewage and PAC medicament caused by the opposite flow direction of the sewage in the water inlet mixing area is avoided, and the two deflector structures and the two driving mechanisms driving the deflector structures are alternately arranged on the left and right sides and fixed in the baffle frame. In this way, the operator can adjust the opening and closing size of the deflector plate according to the water inflow, control the flow rate of the sewage entering the water inlet mixing area, ensure the uniform flow rate of the sewage, and improve the mixing effect of the sewage and PAC medicament. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view of the sectional structure of the utility model.

[0016] Figure 2 It is a side view of the first tank body in the utility model.

[0017] Figure 3 It is an installation structure diagram of the deflector plate and the driving mechanism in the utility model.

[0018] Figure 4 It is a top view of the installation structure of any two adjacent deflector plates in the utility model.

[0019] Figure 5 It is Figure 4 It is a local enlarged structure diagram of D in the utility model.

[0020] Figure 6 It is a top view of the installation structure of the partition plate in the utility model.

[0021] Figure 7 for Figure 2 top view structural schematic diagram at C.

[0022] Figure 8 for Figure 2 top view structural schematic diagram at B.

[0023] Figure 9 for Figure 2 top view structural schematic diagram at A.

[0024] Figure 10 for Figure 2 the mounting structure schematic diagram of the mixing cylinder and the drainage plate in the utility model

[0025] Reference signs:

[0026] 1, water inlet flange; 2, PAC dosing pipe; 3, first box body; 4, second box body; 5, third box body; 6, second drive motor; 7, third drive motor; 8, first rotating shaft; 9, mixing cylinder; 10, first paddle structure; 11, drainage plate; 12, second rotating shaft; 13, second paddle structure; 14, baffle frame; 15, partition plate; 16, first baffle plate; 17, second baffle plate; 18, spoiler plate; 19, rotating sleeve; 20, transmission shaft; 21, transmission box; 22, first drive motor; 23, overflow hole. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the application. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0029] EMBODIMENT

[0030] The utility model provides a kind of PAC modular baffling mixing device for coagulation reaction pool, such as Figure 1 、 Figure 2As shown, including the first box 3, second box 4 and third box 5 are communicated in turn, the first box 3, second box 4 and third box 5 are all rectangular cross section, also provided with a stable frame, the stable frame is erected on the top of the first box 3, second box 4 and third box 5, can improve the structural strength of the above structure, make the above structure compact, convenient for transportation. The bottom of the first box 3 is provided with a water inlet flange 1, which is convenient for communicating with the sewage conveying pipeline outside, improving the conveying efficiency of sewage. The first box 3 is provided with a baffling mixing mechanism, and the bottom of the first box 3 is provided with a PAC dosing pipe 2. The baffling mixing mechanism is used to guide the sewage to make rotary motion in the vertical direction, prolong the residence time of the sewage, enhance the mixing effect of PAC reagent and sewage, promote the rapid diffusion and reaction of coagulant. The top of the first box 3 is provided with a first box 3, which is communicated with the top of the second box 4, and the sewage in the first box 3 is introduced into the second box 4 from the top thereof, mixed again by the PAM mixing and stirring mechanism installed in the second box 4, and PAM reagent is added through the PAM dosing pipe installed on the top of the second box 4, which improves the contact efficiency of PAM reagent and sewage and avoids waste of reagent. The bottom of the second box 4 is communicated with the bottom of the third box 5, and the third box 5 is provided with a flocculation stirring mechanism. Through the modular design of three boxes, the sewage is treated in stages, realizing the step-by-step optimization of coagulation and flocculation, reducing the short flow phenomenon and improving the overall treatment efficiency.

[0031] In some technical schemes of the utility model, the baffling mixing mechanism comprises a baffling frame 14, a first baffling plate 16 and a second baffling plate 17 installed in the first box body 3, the baffling frame 14 is detachably arranged in the first box body 3, the baffling frame 14 can be hoisted out of the first box body 3 for cleaning and maintenance after long-time sewage treatment, the top and bottom of the baffling frame 14 are provided with inlets and outlets, and the two inlets and outlets are arranged in a staggered mode on the baffling frame 14; the first baffling plate 16 is installed on one side of the baffling frame 14 along the horizontal direction, and the second baffling plate 17 is installed on the other side of the baffling frame 14 along the horizontal direction; the first baffling plate 16 and the second baffling plate 17 are fixed in the baffling frame 14 by means of bolts or welding. The first baffling plate 16 and the second baffling plate 17 divide the internal space of the baffling frame 14 into a plurality of baffling channels. The plurality of baffling channels are sequentially communicated from bottom to top to form a "Z" shaped water inlet mixing area, two groups of turbulence structures are installed in the baffling channels, the turbulence structure comprises a plurality of turbulence plates 18, the plurality of turbulence plates 18 are respectively installed in the plurality of baffling channels, and the plurality of turbulence plates 18 in the same turbulence structure are coaxial, a driving mechanism is installed in the first box body 3, and the driving mechanism is used for driving the plurality of turbulence plates 18 in the same turbulence structure to rotate. When the sewage flows into the "Z" shaped water inlet mixing area formed by the baffling frame 14, the first baffling plate 16 and the second baffling plate 17 from the water inlet flange 1, turbulence and vortex are generated in the water inlet mixing area, so that the PAC medicament is rapidly dispersed and fully mixed with the water body.

[0032] In some technical schemes of the utility model, the driving mechanism includes first driving motor 22 installed on the top of first box body 3, the rotating sleeve 19 is arranged in the baffle frame 14, the transmission shaft 20 is rotatably arranged in the rotating sleeve 19, the top of first box body 3 is installed with transmission box 21, transmission box 21 is a conventional technical means, which is coaxial reverse transfer box. Rotating sleeve 19 and transmission shaft 20 are all in transmission connection with transmission box 21, the output end of first driving motor 22 is in transmission connection with the input end of transmission box 21, the outer side wall of rotating sleeve 19 is provided with exposed opening, the spoiler 18 between first baffle 16 and second baffle 17 is connected with transmission shaft 20 after being arranged in exposed opening; the rest spoilers 18 are installed on the outer side wall of rotating sleeve 19. When the spoiler 18 is driven by the driving mechanism to make the deflection movement around transmission shaft 20 in the circumferential direction of baffle channel, the problem that the dead water area is formed in the baffle channel and the solid material in sewage is deposited can be prevented. And the inclined direction of the spoiler 18 driven by the driving mechanism is consistent with the water flow, the spoiler 18 is fixed on rotating sleeve 19 and transmission shaft 20 respectively, the reverse rotation of adjacent layer spoiler 18 is realized through coaxial reverse transfer box, so that the flow direction of sewage in the water inlet mixing area is kept consistent, the problem that the flow direction of sewage in the water inlet mixing area is opposite, causing the poor mixing effect of sewage and PAC medicament, is avoided. The two spoiler structures and the two driving mechanisms driving the operation of the two spoiler structures are alternately arranged left and right, and are fixed in the baffle frame, so that the operator can adjust the opening and closing size of spoiler 18 according to the water inflow, and control the sewage flow rate entering the water inlet mixing area to keep about 1m / s, so as to ensure the uniform flow rate of sewage and provide the mixing effect of sewage and PAC medicament. The movement track of spoiler 18 in baffle frame 14 is as shown in Figures 7-9

[0033] ​In some technical schemes of the utility model, the PAM mixing and stirring mechanism comprises a second driving motor 6 installed on the top of the second box body 4, a mixing cylinder 9 is installed in the second box body 4, a first rotating shaft 8 in driving connection with the second driving motor 6 is rotatably arranged in the mixing cylinder 9, two groups of first paddle structures 10 are installed on the outer side wall of the first rotating shaft 8, a plurality of flow guide plates 11 are arranged around the bottom of the mixing cylinder 9 and the second box body 4, and the flow guide plates 11 are obliquely installed on the inner bottom wall of the second box body 4. When sewage flows into the second box body 4 from the water inlet pipeline, the PAM dosing pipe adds flocculants. The first paddle structure 10 in the mixing cylinder 9 is driven by the second driving motor 6 to stir the sewage and rotate in the mixing cylinder 9 to form a vortex, at this time, the first paddle structure 10 exerts a downward thrust on the sewage, forcing the sewage to flow out of the mixing cylinder 9 from the obliquely arranged flow guide plates 11 at the bottom of the mixing cylinder 9, enter the bottom of the second box body 4 and make an upward movement again, enter the mixing cylinder 9 again, the mixing cylinder 9 guides the sewage to the bottom of the second box body 4 again and collects again, and promotes the bridging of PAM and micro-flocs. Then the sewage enters the third box body 5 from the communication between the second box body 4 and the third box body 5, and enters the next coagulation process.

[0034] In some technical schemes of the utility model, the flocculation stirring mechanism is installed on the third driving motor 7 at the top of the third box body 5, a second rotating shaft 12 is rotatably arranged in the third box body 5, and two groups of second paddle structures 13 are installed on the outer side wall of the second rotating shaft 12. The second paddle structure 13 in the flocculation stirring mechanism is driven by the third driving motor 7 to stir at a low speed, so as to avoid damaging the formed flocs and promote the further growth and compaction of the flocs. Finally, the sewage after flocculation is discharged from the sewage outlet at the top of the third box body 5 and enters the subsequent sedimentation or filtration unit.

[0035] In some technical schemes of the utility model, the top wall of the baffle frame 14 is provided with a baffle plate 15, and a plurality of overflow holes 23 are equidistantly arranged on the baffle plate 15. The overflow holes 23 can prevent the water inlet pressure from being too large, so that the sewage splashes into the first box body 3 from the top of the first box body 3, slow down the flow rate of the sewage into the second box body, and make the flow rate of the sewage gentle.

[0036] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model. For those skilled in the art, the utility model can be variously changed and varied. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A PAC modular baffle mixing device for coagulation reaction tank, characterized in that, comprising a first box (3), a second box (4) and a third box (5) in sequence, the bottom of the first box (3) is provided with a water inlet flange (1), a baffle mixing mechanism is installed in the first box (3), which is used to guide the sewage to make a rotary motion in the vertical direction upward; the top of the first box (3) is communicated with the top of the second box (4), the bottom of the second box (4) is communicated with the bottom of the third box (5), a PAM mixing and stirring mechanism is installed in the second box (4), and a flocculation stirring mechanism is installed in the third box (5).

2. The PAC modular baffle mixing device for coagulation reaction tank according to claim 1, characterized in that, The baffle mixing mechanism comprises a baffle frame (14), a first baffle plate (16) and a second baffle plate (17) installed in the first box (3), the top and the bottom of the baffle frame (14) are provided with inlets and outlets, and the two inlets and outlets are arranged on the side wall of the baffle frame (14) in a staggered manner; the first baffle plate (16) is installed on one side of the baffle frame (14) in the horizontal direction, and the second baffle plate (17) is installed on the other side of the baffle frame (14) in the horizontal direction; the first baffle plate (16) and the second baffle plate (17) divide the baffle frame (14) into a plurality of baffle channels; the plurality of baffle channels are communicated in sequence, two groups of turbulence structures are installed in the baffle channels, the turbulence structure comprises a plurality of turbulence plates (18), the plurality of turbulence plates (18) are installed in the plurality of baffle channels respectively, and the plurality of turbulence plates (18) in the same turbulence structure are coaxial, two groups of driving mechanisms corresponding to the turbulence structures are installed in the first box (3), and the driving mechanisms are used to drive the plurality of turbulence plates (18) in the same group of turbulence structures to make a rotary motion.

3. The PAC modular baffle mixing device for coagulation reaction tank according to claim 2, characterized in that, The driving mechanism comprises a first driving motor (22) installed on the top of the first box (3), a rotating sleeve (19) penetratingly arranged in the baffle frame (14), a transmission shaft (20) rotatably arranged in the rotating sleeve (19), a transmission box (21) installed on the top of the first box (3), and the rotating sleeve (19) and the transmission shaft (20) are in transmission connection with the transmission box (21), the output end of the first driving motor (22) is in transmission connection with the input end of the transmission box (21), an exposed opening is formed in the outer side wall of the rotating sleeve (19), and the turbulence plate (18) between the first baffle plate (16) and the second baffle plate (17) is connected with the transmission shaft (20) after being arranged in the exposed opening; the remaining turbulence plates (18) are installed on the outer side wall of the rotating sleeve (19).

4. The PAC modular baffle mixing device for coagulation reaction tank according to claim 1, characterized in that, The PAM mixing and stirring mechanism comprises a second driving motor (6) installed on the top of a second box body (4), a mixing cylinder (9) is installed in the second box body (4), a first rotating shaft (8) in transmission connection with the second driving motor (6) is rotatably arranged in the mixing cylinder (9), two groups of first paddle structures (10) are installed on the outer side wall of the first rotating shaft (8), a plurality of flow guide plates (11) are arranged around the bottom of the second box body (4), and the flow guide plates (11) are obliquely installed on the inner bottom wall of the second box body (4).

5. The PAC modular baffle mixing device for coagulation reaction tank according to claim 1, characterized in that, The flocculation stirring mechanism comprises a third driving motor (7) installed on the top of the third box body (5), and a second rotating shaft (12) is rotatably arranged in the third box body (5); two groups of second paddle structures (13) are installed on the outer side wall of the second rotating shaft (12).

6. The PAC modular baffle mixing device for coagulation reaction tank according to claim 4, characterized in that, A PAM dosing pipe is installed in the second box body (4).

7. The PAC modular baffle mixing device for coagulation reaction tank according to claim 1, characterized in that, A PAC dosing pipe (2) is installed on the bottom of the first box body (3).

8. The PAC modular baffle mixing device for coagulation reaction tank according to claim 2, characterized in that, A baffle (15) is installed on the top wall of the baffle frame (14), and a plurality of overflow holes (23) are equidistantly formed in the baffle (15).

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