CN210287004U - Sewage treatment equipment integrating flocculation, rotational flow, precipitation and filtration - Google Patents

Sewage treatment equipment integrating flocculation, rotational flow, precipitation and filtration Download PDF

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Publication number
CN210287004U
CN210287004U CN201921136480.9U CN201921136480U CN210287004U CN 210287004 U CN210287004 U CN 210287004U CN 201921136480 U CN201921136480 U CN 201921136480U CN 210287004 U CN210287004 U CN 210287004U
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inner cylinder
inclined tube
water
spiral
chamber
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王海桥
谢星明
王庆耀
秦志刚
梁建波
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Hunan University of Science and Technology
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Hunan University of Science and Technology
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Abstract

The utility model discloses a sewage treatment device integrating flocculation, rotational flow, sedimentation and filtration. The utility model mainly comprises an inner cylinder and an outer cylinder which are coaxially nested; the top of the outer cylinder is provided with a top plate, a spiral-flow type flocculation tank is arranged above the top plate, and the upper end of the inner cylinder extends into the spiral-flow type flocculation tank and is concentric with the tank body; the part of the inner cylinder body extending into the rotational flow flocculation tank is provided with a sewage inlet tangential to the outer diameter of the inner cylinder at the joint with the top; an inclined tube precipitation packing layer is arranged between the bottom of the inner cylinder and the bottom of the outer cylinder, the inclined tube precipitation packing layer is arranged on the inclined tube packing support, and the lower end of the inner cylinder slightly extends out of the inclined tube packing support; a sludge collecting hopper is arranged below the outer cylinder body, a sludge outlet and a valve are arranged at the bottom of the sludge collecting hopper, and a steel support is arranged below the sludge collecting hopper. The inner part of the outer cylinder body between the inclined tube precipitation packing layer and the top plate is provided with a non-filtering layer. The utility model integrates flocculation, cyclone, sedimentation, filtration and other processes, and has simple structure, convenient maintenance and high purification efficiency.

Description

Sewage treatment equipment integrating flocculation, rotational flow, precipitation and filtration
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to collect multiple technologies such as flocculation, whirl, deposit, filtration in integrated configuration's sewage treatment device.
Background
In the production process of mining, coal washing, pharmacy and other industrial and mining enterprises, a large amount of sewage is generated. These sewages contain a large amount of particles, and therefore, it is necessary to purify the sewage by a treatment apparatus and then discharge the purified sewage or recycle the purified water.
For higher solids, a cyclone (sand separator) is typically used for pretreatment to remove a large portion of the coarse particles. The fine particles are coagulated into large particles by flocculation and coagulation, and then the large particles are precipitated by inclined tubes (plates). The flocculation tank, the coagulation tank and the sedimentation tank of the process are all of horizontally arranged concrete structures, so that the occupied area is large, and the manufacturing cost is quite high.
In order to solve the problems of occupied space and investment saving, patent CN 201710467766.4 discloses a hydraulic cyclone precipitator and sewage treatment equipment, which adopt a structure that a steel structure combines two mechanisms of cyclone and precipitation together. In the CN201621301422.3 patent, a structure combining swirling and filtering is also disclosed. Both of these two configurations have some disadvantages, mainly when the packing and filter are clogged, they are not easy to clean, and only when the system is shut down. Secondly, the filling of a flocculating agent or a coagulant is not considered and the problem of rapid coagulation is not solved. Thirdly, the purification efficiency is not high, and the treated water is difficult to reach the discharge standard or be directly recycled at one time.
Disclosure of Invention
The utility model aims to overcome the above-mentioned defect that exists among the prior art, provide a sewage treatment device of flocculation whirl sedimentation filtration integration simple structure, that maintain convenient, purification efficiency is high.
The purpose of the utility model is realized through the following technical scheme:
the first scheme is as follows:
the flocculation cyclone sedimentation and filtration integrated sewage treatment equipment comprises an inner cylinder, a filtration cylinder and an outer cylinder which are coaxially nested from inside to outside; the top of the filtering cylinder and the top of the outer cylinder are provided with top plates, a spiral-flow type flocculation tank is arranged above the top plates, and the upper end of the inner cylinder extends into the spiral-flow flocculation tank and is concentric with the tank body; the upper part of the spiral-flow flocculation tank is provided with a sewage inlet and a flocculating agent filling port, the part of the inner cylinder body extending into the spiral-flow flocculation tank is provided with a sewage inlet tangential to the outer diameter of the inner cylinder at the joint with the top plate; an inclined tube precipitation packing layer is arranged below the filtering cylinder body and between the bottom of the inner cylinder body and the bottom of the outer cylinder body, the inclined tube precipitation packing layer is arranged on an inclined tube packing support, and the lower end of the inner cylinder body slightly extends out of the inclined tube packing support; a sludge collecting hopper is arranged below the outer barrel, a sludge outlet and a valve are arranged at the bottom of the sludge collecting hopper, and a steel bracket is arranged below the sludge collecting hopper; the top of the filtering cylinder is fixed with the top plate, and the bottom of the filtering cylinder is connected and fixed through a filtering layer supporting component arranged between the periphery of the filtering cylinder and the inner wall of the outer cylinder; an annular space between the inner wall of the filtering cylinder and the outer wall of the inner cylinder is a water inlet chamber, and the water inlet chamber is divided into a plurality of independent small water inlet chambers by radial water inlet chamber clapboards in a radial shape; the annular space between the outer wall of the filtering cylinder and the inner wall of the outer cylinder is a water outlet chamber, and the water outlet chamber is divided into a plurality of independent water outlet small chambers by corresponding radial water outlet chamber partition plates in a radial shape; the bottom of each independent small water inlet chamber is communicated with a sludge collecting hopper through an inclined tube precipitation packing layer; the outer cylinder body is provided with a purified water outlet and a backwashing water inlet corresponding to each small water outlet chamber along the circumferential direction, and is connected to a purified water main pipe and a backwashing main pipe through a purified water branch pipe and a backwashing branch pipe respectively, and each branch pipe is provided with a valve; the water purification branch pipe and the back washing branch pipe of each small chamber are separated by a certain distance in the height direction of the outer cylinder body.
Specifically, the spiral-flow type flocculation tank is formed by a plurality of circles of gradually-opened spiral partition plates which take the inner cylinder as the center from inside to outside, gradually-opened spiral water flow channels are formed among the partition plates and between the partition plates and the outer wall of the inner cylinder, a bottom plate of each water flow channel gradually rises from the inner cylinder to outside along the gradually-opened spiral partition plates to form a certain gradient, and a sewage inlet and a flocculating agent filling opening are formed in the upper partition plate on the outermost side of the gradually-opened spiral water flow channel.
Specifically, the filtering cylinder body is composed of a filtering net or a filtering membrane with a framework.
Specifically, the inclined tube precipitation packing layer comprises inclined tubes which are arranged on an inclined tube packing support between the periphery of the inner cylinder and the inner wall of the outer cylinder in a circular ring shape from inside to outside by taking the inner cylinder as a center and with horizontal sections, and the installation angle of the inclined tubes and a vertical plane is 50-60 degrees.
Specifically, the upper part of the mud collecting hopper is a cylinder, the lower part of the mud collecting hopper is an inverted cone, and a reflecting guide cover is arranged in the mud collecting hopper and is arranged right below the inner cylinder; the reflecting air guide sleeve is conical, the conical top of the reflecting air guide sleeve is upward, and the periphery of the conical bottom of the reflecting air guide sleeve and the periphery of the inverted cone of the sludge collecting hopper keep a certain distance and a certain gap; the outlet end below the inner cylinder is in a horn shape and corresponds to the conical top of the reflecting air guide sleeve; the bottom of the inverted cone of the sludge collecting hopper is provided with a sludge outlet and a valve.
Scheme II:
the flocculation cyclone sedimentation and filtration integrated sewage treatment equipment comprises an inner cylinder and an outer cylinder which are coaxially nested from inside to outside; the top of the outer cylinder is provided with a top plate, a spiral-flow type flocculation tank is arranged above the top plate, and the upper end of the inner cylinder extends into the spiral-flow type flocculation tank and is concentric with the tank body; the upper part of the spiral-flow flocculation tank is provided with a sewage inlet and a flocculating agent filling port, the part of the inner cylinder body extending into the spiral-flow flocculation tank is provided with a sewage inlet tangential to the outer diameter of the inner cylinder at the joint with the top; an inclined tube precipitation packing layer is arranged between the bottom of the inner cylinder and the bottom of the outer cylinder, the inclined tube precipitation packing layer is arranged on the inclined tube packing support, and the lower end of the inner cylinder slightly extends out of the inclined tube packing support; a sludge collecting hopper is arranged below the outer barrel, a sludge outlet and a valve are arranged at the bottom of the sludge collecting hopper, and a steel bracket is arranged below the sludge collecting hopper; an annular filter layer taking the inner cylinder body as the center is arranged in the outer cylinder body between the inclined tube precipitation packing layer and the top plate, an annular space between the annular filter layer and the inclined tube precipitation packing layer is a water inlet chamber, and the water inlet chamber is divided into a plurality of independent small water inlet chambers by radial water inlet chamber partition plates in a radial shape; the annular space between the annular filtering layer and the top plate is a water purification chamber, and the water purification chamber is divided into a plurality of independent water purification small chambers by radial water purification chamber clapboards which correspond to the water inlet chamber clapboards up and down and are in a radial shape; the bottom of each independent small water inlet chamber is communicated with a sludge collecting hopper through an inclined tube precipitation packing layer; the outer cylinder body is provided with a purified water outlet and a back-washing water inlet corresponding to each purified water small chamber along the circumferential direction, the purified water outlets and the back-washing water inlets are connected to the purified water main pipe and the back-washing main pipe through the purified water branch pipes and the back-washing branch pipes respectively through tee joints, and valves are arranged on the branch pipes.
Specifically, the annular filter layer is paved and fixed on the bracket by adopting a filter plate, the filter plate is a needle-punched waterproof fiberboard or a metal pore plate, and the filtering pore diameter of the metal pore plate is more than 500 meshes.
Specifically, the annular filter layer is fixed and sealed on the pore plate by adopting a modularized hollow flat membrane component, a water purification chamber is arranged above the outlet of the hollow flat membrane component, a plurality of groups of hollow flat membrane components are arranged in each small chamber, and each hollow flat membrane component is arranged in a fan shape.
The third scheme is as follows:
the flocculation cyclone sedimentation and filtration integrated sewage treatment equipment comprises an inner cylinder and an outer cylinder which are coaxially nested from inside to outside; the top of the outer cylinder is provided with a top plate, a spiral-flow type flocculation tank is arranged above the top plate, and the upper end of the inner cylinder extends into the spiral-flow type flocculation tank and is concentric with the tank body; the upper part of the spiral-flow flocculation tank is provided with a sewage inlet and a flocculating agent filling port, the part of the inner cylinder body extending into the spiral-flow flocculation tank is provided with a sewage inlet tangential to the outer diameter of the inner cylinder at the connection part with the top plate; an inclined tube precipitation packing layer is arranged between the bottom of the inner cylinder and the bottom of the outer cylinder, the inclined tube precipitation packing layer is arranged on the inclined tube packing support, and the lower end of the inner cylinder slightly extends out of the inclined tube packing support; a sludge collecting hopper is arranged below the outer barrel, a sludge outlet and a valve are arranged at the bottom of the sludge collecting hopper, and a steel bracket is arranged below the sludge collecting hopper; the inner part of the outer cylinder between the inclined tube precipitation packing layer and the top plate is an annular water purification water outlet chamber taking the inner cylinder as the center, and the water outlet chamber is divided into a plurality of independent water purification small chambers by radial water outlet chamber partition plates in a radial shape; the bottom of each independent small water purifying chamber is communicated with a mud collecting hopper through an inclined tube precipitation packing layer; the outer cylinder body is provided with a purified water outlet and a back-washing water inlet corresponding to each purified water small chamber along the circumferential direction, the purified water outlets and the back-washing water inlets are connected to the purified water main pipe and the back-washing main pipe through the purified water branch pipes and the back-washing branch pipes respectively through tee joints, and valves are arranged on the branch pipes.
The beneficial effects of the utility model are that the performance is as follows:
(1) the utility model discloses settling four kinds of purification mechanism such as flocculation, whirl, pipe chute, filtration and combining together organically, forming integral structure, the rivers direction is vertical flow, and the high-speed whirl of barrel is down in getting into from upper portion, then, from interior barrel export through the passageway between outer barrel and the interior barrel from upwards low-speed flow down, no matter be the rivers direction, still structural style all has better novelty and practicality.
(2) The utility model discloses deposit the play water zone of packing top at the pipe chute, increase the filter layer, arrange the flocculation basin in the top of urceolus and roof, not only make outside occupation of land space further reduce, the inner space has also obtained higher utilization moreover to make the structure compacter, area still less.
(3) The utility model discloses adopt the baffle to fall into a plurality of cell with the delivery chamber around the whole filter cylinder body (or horizontal filter layer is from top to bottom) respectively, every cell communicates with each other through packing layer and mud collection fill, like this, through the switching of valve, can realize the anti-washing of off-line of single cell, and entire system's operation can go on in succession.
(4) The utility model discloses purification efficiency is high, and throughput is big. The top of the device is provided with a cyclone flocculation tank, and the device is rapidly condensed into large particles in a cyclone mode, so that the particulate matter removal efficiency is higher through the high-speed cyclone of the inner cylinder, fine particulate matters which are not removed by the cyclone of the inner cylinder are precipitated through an inclined tube precipitation packing layer, and further purification is achieved due to larger surface load; after the water is precipitated by the inclined tube precipitation packing layer, only a small amount of fine particles in the water body pass through the filtering layer to be further purified, and although fine filtration is performed, the load is small, and the filtering flux is large. Thus, the water quality purified by multiple stages can be directly discharged and recycled.
(5) The cost performance is high. The traditional horizontal flow type sewage treatment process comprises flocculation, coagulation and inclined tube (plate) sedimentation, adopts a horizontally arranged concrete structure pool, and has higher civil engineering cost. Adopt the utility model discloses an after the integral structure, the barrel adopts the steel construction to, through scientific and reasonable's compound mode, save material, thereby make manufacturing cost will hang down a lot.
Drawings
Fig. 1 is a schematic elevation structure diagram of a first embodiment of the present invention.
Fig. 2 is a sectional top view taken along line a-a of fig. 1.
Fig. 3 is a sectional top view of fig. 1 taken along line B-B.
Fig. 4 is a top view of the section C-C of fig. 1.
Fig. 5 is a sectional top view of fig. 1 taken along line D-D.
Fig. 6 is a schematic elevation structure diagram of a second embodiment of the present invention.
Fig. 7 is a sectional top view taken along line E-E of fig. 6.
Fig. 8 is a schematic elevation structure diagram of a hollow flat membrane module filter assembly according to an embodiment of the present invention.
Fig. 9 is a sectional top view F-F of fig. 8.
Fig. 10 is a schematic elevation structure diagram of the third embodiment of the present invention without installing a filter layer.
Detailed Description
The invention is further described with reference to the following figures and examples.
The first embodiment is as follows:
referring to fig. 1-5, the present embodiment includes an inner cylinder 18, a filter cylinder 12, and an outer cylinder 11 that are coaxially nested from inside to outside. A top plate 17 is arranged at the top of the filtering cylinder 12 and the top of the outer cylinder 11, a spiral-flow flocculation tank 15 is arranged above the top plate 17, the upper end of the inner cylinder 18 extends into the spiral-flow flocculation tank 15 and is concentric with the body of the spiral-flow flocculation tank 15, the part of the inner cylinder 18 extending into the spiral-flow flocculation tank 15 is provided with a sewage inlet tangential to the outer diameter of the inner cylinder at the joint with the top plate; an inclined tube precipitation packing layer 5 is arranged below the filtering cylinder 12 and between the bottom of the inner cylinder 18 and the bottom of the outer cylinder 11, the inclined tube precipitation packing layer 5 is arranged on an inclined tube packing support 4, and the lower end of the inner cylinder 18 slightly extends out of the inclined tube packing support 4; a sludge collecting hopper 2 is arranged below the outer barrel body 11, a sludge outlet 26 and a valve are arranged at the bottom of the sludge collecting hopper 2, and a steel support 1 is arranged below the sludge collecting hopper 2 and used for supporting the whole device. As shown in fig. 2, the spiral-flow type flocculation tank 15 is formed by a plurality of circles of gradually-opened spiral partition plates which take the inner cylinder as the center from inside to outside, gradually-opened spiral water flow channels are formed between the partition plates and the outer wall of the inner cylinder, the bottom plate of each water flow channel gradually rises from the inner cylinder to outside along the gradually-opened spiral partition plates to form a certain gradient, and a sewage inlet 16 and a flocculant filling port 19 are formed in the upper partition plate on the outermost side of the gradually-opened spiral water flow channel; during sewage got into the rivers passageway that gradually open heliciform baffle is constituteed, the flow is longer, and because of the whirl effect, accelerate the effect of condensing, make the granule increase of mud, at the flow through the passageway in-process, there is certain gradient because of the bottom plate, water velocity can constantly accelerate, and the tangential sewage import from interior barrel 18 gets into the inner tube and produces the whirl effect, when soon flowing, rivers are under the suction effect of gravity and water pump, the rotational speed accelerates, produce great centrifugal force, big granule gets rid of the inner wall to interior barrel 18, with the separation of water, fall into in the mud collection fill 2. The top of the filtering cylinder 12 is fixed with the top plate 17, the bottom of the filtering cylinder 12 is fixedly connected with the filtering layer supporting component 10 arranged between the periphery of the filtering cylinder 12 and the inner wall of the outer cylinder 11, the filtering cylinder 12 is composed of a filtering net or a filtering film with a framework, the cross section of the filtering cylinder 12 is circular or polygonal, the lower end of the filtering cylinder 12 is sealed by the filtering layer supporting component 10 in a circular ring or a truncated cone shape, and the upper part is sealed by the top plate 17. As can be seen from fig. 3 and 4, the annular space between the inner wall of the filtering cylinder 12 and the outer wall of the inner cylinder 18 is a water inlet chamber, and the water inlet chamber is divided into a plurality of independent water inlet small chambers by radial water inlet chamber partition plates 21; an annular space between the outer wall of the filtering cylinder body 12 and the inner wall of the outer cylinder body 11 is a water outlet chamber, and the water outlet chamber is divided into a plurality of independent water outlet small chambers by radial water outlet chamber partition plates 20 in a radial shape; the radial water inlet chamber partition plate 21 in a radial shape corresponds to the water outlet chamber partition plate 20 in front and back; the bottom of each independent small water inlet chamber is communicated with the sludge collecting hopper 2 through an inclined tube precipitation packing layer 5. A purified water outlet 14 and a backwashing water inlet 9 are respectively arranged on the outer cylinder body 11 along the circumferential direction corresponding to each water outlet small chamber and are respectively connected to a purified water header pipe 13 and a backwashing header pipe 7 through a purified water branch pipe and a backwashing branch pipe, and a valve 8 is arranged on each branch pipe; the water purification branch pipe and the back washing branch pipe of each cell are spaced apart by a certain distance in the height direction of the outer cylinder 11. Meanwhile, referring to fig. 5, the inclined tube precipitation packing layer 5 comprises inclined tubes which are arranged on the inclined tube packing support 4 between the periphery of the inner cylinder 18 and the inner wall of the outer cylinder 11 in a circular ring shape from inside to outside in horizontal section by taking the inner cylinder 18 as a center, and the installation angle of the inclined tubes and a vertical plane is 50-60 degrees, wherein the inclined tubes can also be replaced by inclined plates; in order to lay, install and maintain the inclined tube filler, the corresponding position of the outer cylinder body 11 is provided with an inspection manhole 6, an inspector can enter a space between the inner cylinder 18 and the filtering cylinder body 12 from the inspection manhole 6, in order to facilitate the maintenance of each cell, the outer cylinder can be provided with an inspection manhole corresponding to each cell, and a part of each water inlet chamber partition plate 21 can be made into a detachable structure.
As can be seen from fig. 1, the upper part of the mud collecting hopper 2 is a cylinder, the lower part of the mud collecting hopper 2 is an inverted cone, and a reflecting air guide sleeve 3 is arranged in the mud collecting hopper 2 and is arranged right below an inner cylinder 18; the reflecting air guide sleeve 3 is conical, the conical top of the reflecting air guide sleeve is upward, and the periphery of the conical bottom of the reflecting air guide sleeve keeps a certain distance and a certain gap with the periphery of the inverted cone of the sludge collecting hopper 2, so that sludge is conveniently discharged to the sludge collecting hopper 2, and meanwhile, the sludge in the hopper is prevented from being stirred by rotational flow; the outlet end below the inner cylinder 18 is in a horn shape and corresponds to the conical top of the reflecting air guide sleeve 3, so that the speed of a water flow outlet is reduced, and separated sludge is settled; the bottom of the inverted cone of the sludge hopper 2 is provided with a sludge outlet 26 and a valve, which is convenient for discharging sludge into a concentration tank or a filter press.
Valves are provided on the pipes connected to the sewage inlet 16 and the sludge outlet 26, and valves are provided on the branch pipes of the clean water outlet 14 and the backwashing water inlet 9 of each clean water cell, respectively, according to the number of the clean water cell partitions. In the normal purification process, all valves on the backwashing branch pipe are closed, all valves on the water purification branch pipe are opened, and purified water flows to the clean water tank for standby or direct discharge for the main pipe. When the sludge on the filtering cylinder 12 is accumulated to a certain thickness and the filtering resistance is increased, the valve on the water purifying branch pipe of a certain water purifying small chamber is closed, so that the chamber stops filtering and purifying and is in a relative static state. The valve on the back washing branch pipe of the chamber is opened, the back washing water from the back washing water pump reversely washes the sludge on the filter screen, falls into the inclined tube sedimentation packing layer 5, and simultaneously washes the sludge on the inclined tube sedimentation packing layer 5 to make the sludge subside in the sludge collecting hopper 2. Since only one of the cells is cleaned off-line, the other cells are normally filtered. Therefore, water from the backwashing pipeline enters the mud collection hopper, flows to other filtering chambers through the interconnecting channel and is discharged from the clean water outlet. When the cleaning of one chamber is finished, the valve on the back cleaning branch pipe of the chamber is closed, the valve on the water purification branch pipe is opened, and the filtration and purification are continuously resumed. The other chambers were back-cleaned in sequence following the procedure described above. The operation can be automatically carried out through a program set by the electric control system without manual operation.
Example two:
referring to fig. 6 and 7, the structure of the present embodiment is substantially the same as that of the first embodiment, except that the arrangement and structure of the filter layer are different.
As can be seen from fig. 6 and 7, the present embodiment comprises the inner cylinder 18 and the outer cylinder 11 which are coaxially nested from inside to outside; a top plate 17 is arranged at the top of the outer barrel 11, a spiral-flow type flocculation tank 15 is arranged above the top plate 17, and the upper end of the inner barrel 18 extends into the spiral-flow type flocculation tank 15 and is concentric with the body of the spiral-flow type flocculation tank 15; the upper part of the spiral-flow type flocculation tank 15 is provided with a sewage inlet 16 and a flocculating agent filling port, the inner cylinder 18 extends into the spiral-flow type flocculation tank 15, and the joint with the top plate is provided with a sewage inlet tangential to the outer diameter of the inner cylinder; an inclined tube precipitation packing layer 5 is arranged between the bottom of the inner cylinder body 18 and the bottom of the outer cylinder body 11, and the inclined tube precipitation packing layer 5 is arranged on the inclined tube packing support 4; the lower end of the inner cylinder 18 slightly extends out of the inclined tube filler bracket 4; a sludge collecting hopper 2 is arranged below the outer cylinder body 11, a sludge outlet and a valve are arranged at the bottom of the sludge collecting hopper 2, and a steel bracket 1 is arranged below the sludge collecting hopper 2. The difference between the present embodiment and the first embodiment is: an annular filter layer taking the inner cylinder 18 as the center is arranged in the outer cylinder 11 between the inclined tube precipitation packing layer 5 and the top plate 17, an annular space between the annular filter layer and the inclined tube precipitation packing layer 5 is a water inlet chamber, and the water inlet chamber is divided into a plurality of independent small water inlet chambers by radial water inlet chamber clapboards in a radial shape; the annular space between the annular filtering layer and the top plate 17 is a water purification chamber, and the water purification chamber is divided into a plurality of independent water purification small chambers by radial water purification chamber clapboards which correspond to the water inlet chamber clapboards up and down and are in a radial shape; the bottom of each independent small water inlet chamber is communicated with the sludge collecting hopper 2 through an inclined tube precipitation packing layer 5; the outer cylinder 11 is provided with a purified water outlet 14 and a back-washing water inlet 9 along the circumferential direction corresponding to each purified water small chamber, and is connected to a purified water main pipe 13 and a back-washing main pipe 7 through a purified water branch pipe and a back-washing branch pipe by a tee joint respectively, and each branch pipe is provided with a valve 8. Other details in this embodiment are the same as those in the first embodiment.
In this embodiment, the annular filter layer can be fixed on the support 22 by a filter plate 23, the filter plate 23 is a water-resistant fiber board or a metal pore board with needle prick, and the filter pore diameter of the metal pore board is more than 500 meshes. As shown in fig. 6 and 7.
Referring to fig. 8 and 9, the circular filter layer in this embodiment may also be fixed and sealed on the perforated plate 24 by using a modular hollow flat membrane module 25, a clean water chamber is provided above the outlet of the hollow flat membrane module 25, each chamber is provided with a plurality of groups of hollow flat membrane modules 25, and each hollow flat membrane module 25 is arranged in a sector shape. The filtering aperture of the hollow flat membrane is more than 0.1um, thus, the requirement of higher water outlet precision can be met. The structure of the hollow flat membrane module is described in detail in patent ZL201710391171.5 and patent ZL201720609067.4 of the inventor, and is not described in detail here.
Example three:
referring to fig. 10, in this embodiment, on the basis of the second embodiment, the annular filter layer is omitted as needed, the clean water outlet chamber is located above the inclined tube precipitation packing layer 5, the clean water outlet chamber is divided into a plurality of independent clean water small chambers by the partition plates, and the positions of the outer cylinder corresponding to the clean water small chambers are respectively provided with a common interface for the maintenance manhole, the clean water outlet and the backwashing water inlet.

Claims (9)

1. The utility model provides a sewage treatment device of flocculation whirl sedimentation filtration integration which characterized in that: the filter comprises an inner cylinder, a filter cylinder and an outer cylinder which are coaxially nested from inside to outside; the top of the filtering cylinder and the top of the outer cylinder are provided with top plates, a spiral-flow type flocculation tank is arranged above the top plates, and the upper end of the inner cylinder extends into the spiral-flow flocculation tank and is concentric with the tank body; the upper part of the spiral-flow flocculation tank is provided with a sewage inlet and a flocculating agent filling port, the part of the inner cylinder body extending into the spiral-flow flocculation tank is provided with a sewage inlet tangential to the outer diameter of the inner cylinder at the joint with the top plate; an inclined tube precipitation packing layer is arranged below the filtering cylinder body and between the bottom of the inner cylinder body and the bottom of the outer cylinder body, the inclined tube precipitation packing layer is arranged on an inclined tube packing support, and the lower end of the inner cylinder body slightly extends out of the inclined tube packing support; a sludge collecting hopper is arranged below the outer barrel, a sludge outlet and a valve are arranged at the bottom of the sludge collecting hopper, and a steel bracket is arranged below the sludge collecting hopper; the top of the filtering cylinder is fixed with the top plate, and the bottom of the filtering cylinder is connected and fixed through a filtering layer supporting component arranged between the periphery of the filtering cylinder and the inner wall of the outer cylinder; an annular space between the inner wall of the filtering cylinder and the outer wall of the inner cylinder is a water inlet chamber, and the water inlet chamber is divided into a plurality of independent small water inlet chambers by radial water inlet chamber clapboards in a radial shape; the annular space between the outer wall of the filtering cylinder and the inner wall of the outer cylinder is a water outlet chamber, and the water outlet chamber is divided into a plurality of independent water outlet small chambers by corresponding radial water outlet chamber partition plates in a radial shape; the bottom of each independent small water inlet chamber is communicated with a sludge collecting hopper through an inclined tube precipitation packing layer; the outer cylinder body is provided with a purified water outlet and a backwashing water inlet corresponding to each small water outlet chamber along the circumferential direction, and is connected to a purified water main pipe and a backwashing main pipe through a purified water branch pipe and a backwashing branch pipe respectively, and each branch pipe is provided with a valve; the water purification branch pipe and the back washing branch pipe of each small chamber are separated by a certain distance in the height direction of the outer cylinder body.
2. The flocculation cyclone sedimentation and filtration integrated sewage treatment equipment according to claim 1, wherein: the spiral-flow type flocculation tank is formed by a plurality of circles of gradually-opened spiral partition plates which take the inner cylinder as the center from inside to outside, gradually-opened spiral water flow channels are formed among the partition plates and between the partition plates and the outer wall of the inner cylinder, the bottom plate of each water flow channel gradually rises from the inner cylinder to outside along the gradually-opened spiral partition plates to form a certain gradient, and a sewage inlet and a flocculating agent filling opening are formed in the upper partition plate on the outermost side of the gradually-opened spiral water flow channel.
3. The flocculation cyclone sedimentation and filtration integrated sewage treatment equipment according to claim 1, wherein: the filtering cylinder body is composed of a filtering net or a filtering membrane with a framework.
4. The flocculation cyclone sedimentation and filtration integrated sewage treatment equipment according to claim 1, wherein: the inclined tube precipitation packing layer comprises inclined tubes which are arranged on an inclined tube packing support between the periphery of the inner cylinder body and the inner wall of the outer cylinder body from inside to outside in a circular ring-shaped manner in a horizontal section by taking the inner cylinder body as a center, and the installation angle of the inclined tubes and a vertical plane is 50-60 degrees.
5. The flocculation cyclone sedimentation and filtration integrated sewage treatment equipment according to claim 1, wherein: the upper part of the mud collecting hopper is a cylinder, the lower part of the mud collecting hopper is an inverted cone, and a reflecting guide cover is arranged in the mud collecting hopper and is arranged right below the inner cylinder; the reflecting air guide sleeve is conical, the conical top of the reflecting air guide sleeve is upward, and the periphery of the conical bottom of the reflecting air guide sleeve and the periphery of the inverted cone of the sludge collecting hopper keep a certain distance and a certain gap; the outlet end below the inner cylinder is in a horn shape and corresponds to the conical top of the reflecting air guide sleeve; the bottom of the inverted cone of the sludge collecting hopper is provided with a sludge outlet and a valve.
6. The utility model provides a sewage treatment device of flocculation whirl sedimentation filtration integration which characterized in that: the device comprises an inner cylinder and an outer cylinder which are coaxially nested from inside to outside; the top of the outer cylinder is provided with a top plate, a spiral-flow type flocculation tank is arranged above the top plate, and the upper end of the inner cylinder extends into the spiral-flow type flocculation tank and is concentric with the tank body; the upper part of the spiral-flow flocculation tank is provided with a sewage inlet and a flocculating agent filling port, the part of the inner cylinder body extending into the spiral-flow flocculation tank is provided with a sewage inlet tangential to the outer diameter of the inner cylinder at the joint with the top plate; an inclined tube precipitation packing layer is arranged between the bottom of the inner cylinder and the bottom of the outer cylinder, the inclined tube precipitation packing layer is arranged on the inclined tube packing support, and the lower end of the inner cylinder slightly extends out of the inclined tube packing support; a sludge collecting hopper is arranged below the outer barrel, a sludge outlet and a valve are arranged at the bottom of the sludge collecting hopper, and a steel bracket is arranged below the sludge collecting hopper; an annular filter layer taking the inner cylinder body as the center is arranged in the outer cylinder body between the inclined tube precipitation packing layer and the top plate, an annular space between the annular filter layer and the inclined tube precipitation packing layer is a water inlet chamber, and the water inlet chamber is divided into a plurality of independent small water inlet chambers by radial water inlet chamber partition plates in a radial shape; the annular space between the annular filtering layer and the top plate is a water purification chamber, and the water purification chamber is divided into a plurality of independent water purification small chambers by radial water purification chamber clapboards which correspond to the water inlet chamber clapboards up and down and are in a radial shape; the bottom of each independent small water inlet chamber is communicated with a sludge collecting hopper through an inclined tube precipitation packing layer; the outer cylinder body is provided with a purified water outlet and a back-washing water inlet corresponding to each purified water small chamber along the circumferential direction, the purified water outlets and the back-washing water inlets are connected to the purified water main pipe and the back-washing main pipe through the purified water branch pipes and the back-washing branch pipes respectively through tee joints, and valves are arranged on the branch pipes.
7. The flocculation cyclone sedimentation and filtration integrated sewage treatment equipment as claimed in claim 6, wherein: the circular filtering layer is paved and fixed on the bracket by adopting a filtering plate, the filtering plate is a needle-punched waterproof fiberboard or a metal pore plate, and the filtering pore diameter of the metal pore plate is more than 500 meshes.
8. The flocculation cyclone sedimentation and filtration integrated sewage treatment equipment as claimed in claim 6, wherein: the annular filter layer is fixed and sealed on the pore plate by adopting a modularized hollow flat membrane component, a water purification chamber is arranged above the outlet of the hollow flat membrane component, a plurality of groups of hollow flat membrane components are arranged in each small chamber, and each hollow flat membrane component is arranged in a fan shape.
9. The utility model provides a sewage treatment device of flocculation whirl sedimentation filtration integration which characterized in that: the device comprises an inner cylinder and an outer cylinder which are coaxially nested from inside to outside; the top of the outer cylinder is provided with a top plate, a spiral-flow type flocculation tank is arranged above the top plate, and the upper end of the inner cylinder extends into the spiral-flow type flocculation tank and is concentric with the tank body; the upper part of the spiral-flow flocculation tank is provided with a sewage inlet and a flocculating agent filling port, the part of the inner cylinder body extending into the spiral-flow flocculation tank is provided with a sewage inlet tangential to the outer diameter of the inner cylinder at the joint with the top plate; an inclined tube precipitation packing layer is arranged between the bottom of the inner cylinder and the bottom of the outer cylinder, the inclined tube precipitation packing layer is arranged on the inclined tube packing support, and the lower end of the inner cylinder slightly extends out of the inclined tube packing support; a sludge collecting hopper is arranged below the outer barrel, a sludge outlet and a valve are arranged at the bottom of the sludge collecting hopper, and a steel bracket is arranged below the sludge collecting hopper; an annular water purification water outlet chamber taking the inner cylinder body as the center is arranged in the outer cylinder body between the inclined tube precipitation packing layer and the top plate, and the water outlet chamber is divided into a plurality of independent water purification small chambers by radial water outlet chamber partition plates in a radial shape; the bottom of each independent small chamber is communicated with a mud collection hopper through an inclined tube precipitation packing layer; the outer cylinder body is provided with a purified water outlet and a back-washing water inlet corresponding to each purified water small chamber along the circumferential direction, the purified water outlets and the back-washing water inlets are connected to the purified water main pipe and the back-washing main pipe through the purified water branch pipes and the back-washing branch pipes respectively through tee joints, and valves are arranged on the branch pipes.
CN201921136480.9U 2019-07-19 2019-07-19 Sewage treatment equipment integrating flocculation, rotational flow, precipitation and filtration Active CN210287004U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111847731A (en) * 2020-08-27 2020-10-30 湖北磊雅鑫盛石业有限公司 Method for recycling stone wastewater and by-producing building raw materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111847731A (en) * 2020-08-27 2020-10-30 湖北磊雅鑫盛石业有限公司 Method for recycling stone wastewater and by-producing building raw materials

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