CN214880433U

CN214880433U - Magnetic coagulation efficient sedimentation tank for sewage plant

Info

Publication number: CN214880433U
Application number: CN202120643037.1U
Authority: CN
Inventors: 胡士同; 李俊
Original assignee: Fisian Fluid Technology Hefei Co ltd
Current assignee: Fisian Fluid Technology Hefei Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-26
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a magnetic coagulation high-efficiency sedimentation tank for sewage plants, which comprises a frame, a pretreatment tank and a flocculation sedimentation tank, wherein the pretreatment tank and the flocculation sedimentation tank are fixedly arranged on the frame; the inside rotation of flocculation sedimentation tank installs main mixing shaft, first pair and mixes axle and the vice mixing shaft of second, and main mixing shaft, first pair mix axle and the vice mixing shaft of second pass through the gear train transmission and connect, and evenly install a plurality of stirring leaves on main mixing shaft, first pair mix axle and the vice mixing shaft of second. The utility model discloses with magnetic powder and sewage from the inside of preliminary treatment pond inflow flocculation and precipitation pond, under the combined action of stirring leaf in the rotation, through the effect such as flocculation, attraction absorption, electric charge adsorption effectively combine the algae of aquatic, small suspended solid, colloid, bacterium with insoluble pollutants and particle magnetic, form the magnetic floc of bigger volume and density, discharge by the flocculation and precipitation pond at last.

Description

Magnetic coagulation efficient sedimentation tank for sewage plant

Technical Field

The invention relates to the technical field of sedimentation tanks, in particular to a magnetic coagulation high-efficiency sedimentation tank for a sewage plant.

Background

The sedimentation tank is a structure for removing suspended matters in water by applying sedimentation and is equipment for purifying water. The suspended substances in the water are removed by utilizing the natural sedimentation or coagulating sedimentation of the water. The sedimentation tank is divided into a horizontal sedimentation tank and a vertical sedimentation tank according to the water flow direction. The settling effect is determined by the flow rate of the water in the settling tank and the residence time of the water in the tank. In order to improve the sedimentation effect and reduce the land occupation area, a honeycomb inclined tube counter flow sedimentation tank, an accelerated clarification tank, a pulse clarification tank and the like are mostly adopted.

Magnetic coagulation sedimentation is a common mode for treating urban sewage, which introduces magnetic particles in a water purification process of a high-efficiency flocculation sedimentation tank, effectively combines insoluble pollutants such as algae, micro suspended matters, colloid and bacteria in water with particle magnetic powder through flocculation, attraction adsorption, charge adsorption, bridging, net catching and the like to form magnetic flocs with larger size and density, strengthens flocculation effect, can capture pollutants coagulated to have smaller particle size, and has the advantages of fast sedimentation, excellent water purification effect and clear and transparent effluent, and the existing magnetic coagulation sedimentation integrated equipment mainly has the following defects: 1: the processing equipment is not centralized enough, and the occupied space is large; 2: low recovery rate of magnetic powder and the like.

Therefore, in view of the above situation, there is an urgent need to develop a magnetic coagulation high-efficiency sedimentation tank for sewage plants to overcome the shortcomings in the current practical application.

Disclosure of Invention

The invention aims to provide a magnetic coagulation high-efficiency sedimentation tank for a sewage plant, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a magnetic coagulation efficient sedimentation tank for a sewage plant comprises a rack, and a pretreatment tank and a flocculation sedimentation tank which are fixedly arranged on the rack, wherein the pretreatment tank is positioned above the flocculation sedimentation tank, and the pretreatment tank is communicated with the flocculation sedimentation tank; an opening is formed in the top of the pretreatment tank, a magnetic powder feeding port is formed in the side edge of the upper part of the pretreatment tank, and two mutually matched crushing rollers are vertically symmetrically and rotatably arranged in the pretreatment tank; the inside rotation of flocculation sedimentation tank installs main mixing shaft, first pair and mixes axle and the vice mixing shaft of second, and main mixing shaft, first pair mix axle and the vice mixing shaft of second pass through the gear train transmission and connect, and evenly install a plurality of stirring leaves on main mixing shaft, first pair mix axle and the vice mixing shaft of second.

As a further scheme of the invention: and a magnetic powder storage box is fixedly arranged on the outer side of the pretreatment tank and used for storing magnetic powder.

As a further scheme of the invention: fixed mounting has the gear box on the inner wall in preliminary treatment pond, crushing roller rotates through crushing axle and installs the inside in preliminary treatment pond, and crushing axle stretches into the inside of gear box, and the fixed mounting that stretches into of crushing axle has connecting gear, the connecting gear interconnect of two crushing axle end departments.

As a further scheme of the invention: the inside horizontal fixed mounting of flocculation and precipitation pond has the support, main mixing shaft, first pair mixing shaft and the equal rotation of the vice mixing shaft of second are installed on the support.

As a further scheme of the invention: the upper end of the main mixing shaft extends into the gear box, and the extending end of the main mixing shaft is in transmission connection with a crushing shaft through a bevel gear set.

As a further scheme of the invention: the outer side of the pretreatment pool is fixedly provided with a driving motor, and the output end of the driving motor is in transmission connection with a crushing shaft through a bevel gear set.

As a further scheme of the invention: the bottom of the flocculation sedimentation tank is communicated with a drain pipe, and the side edge of the bottom of the flocculation sedimentation tank is communicated with a drain pipe.

As a further scheme of the invention: the blow off pipe includes that inner tube and cover locate the shell in the inner tube outside, and the inner tube passes through a plurality of coupling springs and shell fixed connection, and evenly sets up a plurality of supplies magnetic exhaust meticulous filtration holes on the inner tube lateral wall, and shell inner wall fixed mounting has a plurality of magnets that adsorb the magnetic.

As a further scheme of the invention: the utility model discloses a sewage pipe, including the casing, the casing is provided with a blow off pipe, the side department fixed mounting of blow off pipe has actuating mechanism, and actuating mechanism includes the sleeve of fixed mounting in the shell outside, and telescopic inside slidable mounting has the slide bar, and the outside cover of slide bar is equipped with reset spring, and the one end of slide bar passes through pull rod and inner tube connection, and the other end fixed mounting of slide bar has the rack, telescopic inside still rotates to install with rack toothing's sector gear.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention is provided with a pretreatment tank and a flocculation sedimentation tank, two mutually matched crushing rollers are vertically and symmetrically rotatably arranged in the pretreatment tank, sewage is introduced into the pretreatment tank from an opening, after the sewage is treated by the crushing rollers, massive sundries in the sewage are crushed into particles, the contact area between the sundries and magnetic powder in the sewage is increased, so that the subsequent flocculation sedimentation effect is improved, a main mixing shaft, a first auxiliary mixing shaft and a second auxiliary mixing shaft are rotatably arranged in the flocculation sedimentation tank, a plurality of stirring blades are uniformly arranged on the main mixing shaft, the first auxiliary mixing shaft and the second auxiliary mixing shaft, the magnetic powder and the sewage flow into the flocculation sedimentation tank from the pretreatment tank, and insoluble pollutants such as algae, micro suspended matters, colloid, bacteria and the like in the water are effectively combined with particle magnetic powder through the mixing action of the stirring blades in rotation, magnetic flocs with larger volume and density are formed and finally discharged from the flocculation sedimentation tank;

2. still there is the blow off pipe in flocculation and precipitation pond bottom side department intercommunication, the shell in the inner tube outside is located to the blow off pipe including inner tube and cover, the inner tube passes through a plurality of coupling springs and shell fixed connection, and evenly set up a plurality of confession magnetic exhaust meticulous filtration pores of crossing on the inner tube lateral wall, shell inner wall fixed mounting has a plurality of magnets that adsorb the magnetic, the flocculation and precipitation is discharged by the blow off pipe after sewage discharge accomplishes, the blowdown in-process, magnet adsorb the magnetic that does not combine with impurity in the flocculate, accomplish the recovery to the magnetic, it is extravagant to reduce the magnetic.

Drawings

FIG. 1 is a schematic structural diagram of a magnetic coagulation high-efficiency sedimentation tank for a sewage plant.

FIG. 2 is a sectional view of a magnetic coagulation high-efficiency sedimentation tank for sewage plants.

FIG. 3 is a schematic structural diagram of a blow-off pipe in the magnetic coagulation high-efficiency sedimentation tank for sewage plants.

FIG. 4 is a schematic structural diagram of a driving mechanism in a magnetic coagulation high-efficiency sedimentation tank for a sewage plant.

In the figure: 1-frame, 2-pretreatment tank, 201-magnetic powder adding port, 202-opening, 203-magnetic powder storage box, 204-gear box, 205-crushing shaft, 206-connecting gear, 207-driving motor, 208-crushing roller, 3-flocculation sedimentation tank, 301-water discharge pipe, 302-sewage discharge pipe, 303-bracket, 304-main mixing shaft, 305-first auxiliary mixing shaft, 306-second auxiliary mixing shaft, 307-gear set, 308-stirring blade, 309-outer shell, 310-inner pipe, 311-magnet, 312-connecting spring, 4-driving mechanism, 401-sleeve, 402-sliding rod, 403-reset spring, 404-rack, 405-sector gear and 406-pull rod.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1 to 3, in the embodiment of the invention, a magnetic coagulation high-efficiency sedimentation tank for a sewage plant comprises a frame 1, and a pretreatment tank 2 and a flocculation sedimentation tank 3 which are fixedly installed on the frame 1, wherein the pretreatment tank 2 is located above the flocculation sedimentation tank 3, and the pretreatment tank 2 is communicated with the flocculation sedimentation tank 3; an opening 202 is formed in the top of the pretreatment tank 2, a magnetic powder feeding port 201 is formed in the side edge of the upper portion of the pretreatment tank 2 and used for guiding magnetic powder into the pretreatment tank 2 and the flocculation sedimentation tank 3, two mutually matched crushing rollers 208 are vertically and symmetrically rotatably mounted in the pretreatment tank 2, sewage is fed into the pretreatment tank 2 through the opening 202, and after being treated by the crushing rollers 208, massive sundries in the sewage are crushed into particles, so that the contact area between the sundries and the magnetic powder in the sewage is increased, and the subsequent flocculation sedimentation effect is improved; a main mixing shaft 304, a first auxiliary mixing shaft 305 and a second auxiliary mixing shaft 306 are rotatably arranged in the flocculation sedimentation tank 3, the main mixing shaft 304, the first auxiliary mixing shaft 305 and the second auxiliary mixing shaft 306 are in transmission connection through a gear set 307, a plurality of stirring blades 308 are uniformly arranged on the main mixing shaft 304, the first auxiliary mixing shaft 305 and the second auxiliary mixing shaft 306, magnetic powder and sewage flow into the flocculation sedimentation tank 3 from the pretreatment tank 2, and under the mixing action of the stirring blades 308 in rotation, insoluble pollutants such as algae, micro suspended matters, colloids and bacteria in water are effectively combined with particle magnetic powder through flocculation, attraction adsorption, charge adsorption and other actions to form magnetic flocs with larger volume and density, and finally the magnetic flocs are discharged from the flocculation sedimentation tank 3;

it should be noted that, in the embodiment of the present invention, a magnetic particle storage box 203 is fixedly installed outside the pretreatment tank 2, and is used for storing magnetic particles, that is, magnetic particles, and insoluble pollutants and particle magnetic particles are effectively combined;

in the embodiment of the invention, a gear box 204 is fixedly installed on the inner wall of the pretreatment tank 2, the crushing rollers 208 are rotatably installed inside the pretreatment tank 2 through a crushing shaft 205, the crushing shaft 205 extends into the gear box 204, a connecting gear 206 is fixedly installed at the extending end of the crushing shaft 205, and the connecting gears 206 at the ends of the two crushing shafts 205 are connected with each other to drive the two crushing rollers 208 to synchronously rotate;

further, in the embodiment of the present invention, a support 303 is transversely and fixedly installed inside the flocculation sedimentation tank 3, the main mixing shaft 304, the first auxiliary mixing shaft 305 and the second auxiliary mixing shaft 306 are rotatably installed on the support 303, the upper end of the main mixing shaft 304 extends into the gear box 204, the extending end of the main mixing shaft 304 is in transmission connection with one crushing shaft 205 through a bevel gear set, and the main mixing shaft 304 is driven to synchronously rotate when the crushing shaft 205 rotates;

furthermore, in the embodiment of the invention, a driving motor 207 is fixedly installed at the outer side of the pretreatment tank 2, the output end of the driving motor 207 is in transmission connection with a crushing shaft 205 through a bevel gear set, the crushing shaft 205 is driven to rotate, and the main mixing shaft 304 is synchronously driven to rotate, so that the synchronous operation of feeding crushing and discharging flocculation sedimentation is realized;

in the embodiment of the invention, the bottom of the flocculation sedimentation tank 3 is communicated with a drain pipe 301, and the side edge of the bottom of the flocculation sedimentation tank 3 is communicated with a drain pipe 302 which is respectively used for draining sewage and flocculation sediment;

referring to fig. 3-4, in another embodiment of the present invention, the sewage discharge pipe 302 includes an inner pipe 310 and an outer casing 309 sleeved outside the inner pipe 310, the inner pipe 310 is fixedly connected to the outer casing 309 through a plurality of connecting springs 312, a plurality of fine filtering holes for discharging magnetic powder are uniformly formed on a side wall of the inner pipe 310, a plurality of magnets 311 for adsorbing magnetic powder are fixedly installed on an inner wall of the outer casing 309, the flocculated precipitate is discharged from the sewage discharge pipe 302 after the sewage discharge is completed, and in the sewage discharge process, the magnets 311 adsorb magnetic powder which is not combined with impurities in flocculates, thereby completing the recovery of magnetic powder;

in order to improve the recovery efficiency of magnetic powder, further, in the embodiment of the present invention, a driving mechanism 4 is fixedly installed at a side edge of the sewage discharge pipe 302, the driving mechanism 4 includes a sleeve 401 fixedly installed at an outer side of the housing 309, a sliding rod 402 is slidably installed inside the sleeve 401, a return spring 403 is sleeved outside the sliding rod 402, one end of the sliding rod 402 is connected with the inner pipe 310 through a pull rod 406, a rack 404 is fixedly installed at the other end of the sliding rod 402, a sector gear 405 meshed with the rack 404 is further rotatably installed inside the sleeve 401, the sector gear 405 is in intermittent contact with the rack 404 during rotation, the rack 404 and the sliding rod 402 are driven to move, and further the inner pipe 310 is pulled to move, so that the inner pipe 310 continuously shakes when the flocculated sediment is discharged, recoverable magnetic powder in the flocculated sediment is shaken out, and the recovery rate of magnetic powder is improved.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims

1. The magnetic coagulation efficient sedimentation tank for the sewage plant is characterized by comprising a rack (1), and a pretreatment tank (2) and a flocculation sedimentation tank (3) which are fixedly arranged on the rack (1), wherein the pretreatment tank (2) is positioned above the flocculation sedimentation tank (3), and the pretreatment tank (2) is communicated with the flocculation sedimentation tank (3); an opening (202) is formed in the top of the pretreatment tank (2), a magnetic powder adding port (201) is formed in the side edge of the upper portion of the pretreatment tank (2), and two mutually matched crushing rollers (208) are rotatably mounted in the pretreatment tank (2) in an up-down symmetrical mode; the inside rotation of flocculation and precipitation pond (3) is installed main mixing shaft (304), first pair and is mixed axle (305) and the vice mixing shaft of second (306), and main mixing shaft (304), first pair are mixed axle (305) and the vice mixing shaft of second (306) and are passed through gear train (307) transmission and connect, and evenly install a plurality of stirring leaves (308) on main mixing shaft (304), first pair are mixed axle (305) and the vice mixing shaft of second (306).

2. The efficient magnetic coagulation sedimentation tank for sewage plants according to claim 1, wherein a magnetic powder storage box (203) is fixedly installed on the outer side of the pretreatment tank (2).

3. The high-efficiency magnetic coagulation sedimentation tank for sewage plants according to claim 1, wherein a gear box (204) is fixedly installed on the inner wall of the pretreatment tank (2), the crushing rollers (208) are rotatably installed inside the pretreatment tank (2) through crushing shafts (205), the crushing shafts (205) extend into the gear box (204), the extending ends of the crushing shafts (205) are fixedly installed with connecting gears (206), and the connecting gears (206) at the ends of the two crushing shafts (205) are connected with each other.

4. The high-efficiency magnetic coagulation sedimentation tank for sewage plants according to claim 3, wherein a support (303) is transversely and fixedly installed inside the flocculation sedimentation tank (3), and the main mixing shaft (304), the first auxiliary mixing shaft (305) and the second auxiliary mixing shaft (306) are rotatably installed on the support (303).

5. The efficient magnetic coagulation sedimentation tank for sewage plants according to claim 4, wherein the upper end of the main mixing shaft (304) extends into the gear box (204), and the extending end of the main mixing shaft (304) is in transmission connection with a crushing shaft (205) through a bevel gear set.

6. The efficient magnetic coagulation sedimentation tank for sewage plants according to claim 5, wherein a driving motor (207) is fixedly installed on the outer side of the pretreatment tank (2), and the output end of the driving motor (207) is in transmission connection with a crushing shaft (205) through a bevel gear set.

7. The magnetic coagulation high-efficiency sedimentation tank for the sewage plant as claimed in claim 1, wherein the bottom of the flocculation sedimentation tank (3) is communicated with a drain pipe (301), and the side edge of the bottom of the flocculation sedimentation tank (3) is communicated with a drain pipe (302).

8. The efficient magnetic coagulation sedimentation tank for sewage plants according to claim 7, wherein the sewage discharge pipe (302) comprises an inner pipe (310) and a housing (309) sleeved outside the inner pipe (310), the inner pipe (310) is fixedly connected with the housing (309) through a plurality of connecting springs (312), a plurality of fine filtering holes for discharging magnetic powder are uniformly formed in the side wall of the inner pipe (310), and a plurality of magnets (311) for adsorbing magnetic powder are fixedly mounted on the inner wall of the housing (309).

9. The efficient magnetic coagulation sedimentation tank for the sewage plant as claimed in claim 8, wherein a driving mechanism (4) is fixedly installed at the side edge of the sewage discharge pipe (302), the driving mechanism (4) comprises a sleeve (401) fixedly installed at the outer side of the outer shell (309), a sliding rod (402) is installed inside the sleeve (401) in a sliding manner, a reset spring (403) is sleeved outside the sliding rod (402), one end of the sliding rod (402) is connected with the inner pipe (310) through a pull rod (406), a rack (404) is fixedly installed at the other end of the sliding rod (402), and a sector gear (405) meshed with the rack (404) is further rotatably installed inside the sleeve (401).