Flocculation reaction precipitator

Abstract

The utility model relates to a flocculation reaction precipitator which comprises an outer cylinder body, and a clear water area, a filtering area, a precipitation area, a reaction coil pipe area and a sludge discharge area are sequentially arranged in the outer cylinder body from top to bottom; the reaction coil area is sequentially provided with a first-stage reaction coil area, a second-stage reaction coil area and a third-stage reaction coil area from inside to outside; a plurality of spiral coil reactors which are uniformly distributed along the circumference are arranged in the primary reaction coil area. The flocculation reaction precipitator disclosed by the utility model is novel in structure and reasonable and compact in layout, and is provided with a plurality of spiral coil reactors, so that a water body can be distributed to each spiral coil reactor to be fully mixed, stirred and collided, the collision efficiency of particles in the water body is improved, the flocculation reaction efficiency is improved, the putting amount of a coagulant is reduced, and the treatment cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment technical field, especially a flocculation reaction precipitator. BACKGROUND

[0002] At present, in the areas such as mountainous area, due to various reasons, still cannot pass tap water, in order to be able to drink clean water, in these areas, water treatment equipment is often used, and the surrounding river water, well water etc. are purified and drunk. In the water treatment equipment, the flocculation reaction precipitator is the most important, is directly related to whether the flocculation reaction is complete and whether the flocculation can be completely precipitated, and also is related to whether the water body after treatment can reach the drinking standard.

[0003] Chinese patent CN212864401U discloses a flocculation reaction precipitation device, and the output water body reaches the drinking water standard. However, only a single spiral coil reactor (i.e. first reaction coil) is arranged at the center position, and the collision efficiency and mixing effect are still insufficient. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a flocculation reaction precipitator with novel structure, reasonable and compact layout, good mixing effect, improved collision efficiency of particles in water body and improved flocculation reaction efficiency.

[0005] The utility model adopts the following scheme: a flocculation reaction precipitator, including outer cylinder, the inside of outer cylinder is sequentially provided with clear water area, filter area, sedimentation area, reaction coil area and sludge discharge area from top to bottom; the reaction coil area is sequentially provided with primary reaction coil area, secondary reaction coil area and tertiary reaction coil area from inside to outside; the primary reaction coil area is provided with a plurality of spiral coil reactors that are uniformly distributed along the circumference.

[0006] Further, the spiral coil reactor includes a cylinder body, a spiral plate is arranged in the cylinder body, the upper end of the cylinder body is sealed by an inverted conical sludge collecting hopper, and a sludge discharge pipe penetrating through the spiral coil reactor downward is arranged in the middle of the sludge collecting hopper.

[0007] Further, a water distribution weir is arranged at the middle position above the outer cylinder, a water outlet pipe corresponding to the spiral coil reactor is arranged at the bottom of the water distribution weir, and the lower end of the water outlet pipe penetrates through the sludge collecting hopper; a total water inlet pipe leading to the water distribution weir is arranged on the side of the outer cylinder.

[0008] Further, a turbulence baffle is arranged on the spiral plate.

[0009] Further, the three-stage reaction coil pipe zone is divided into independent reaction zones in the circumferential direction, consistent with and corresponding to the number of spiral coil pipe reactors; each spiral coil pipe reactor is provided with a first-stage water outlet pipe connected to the corresponding independent reaction zone of the three-stage reaction coil pipe zone; the second-stage reaction coil pipe zone and the three-stage reaction coil pipe zone are separated by an inner cylinder, and the inner cylinder is provided with a communication port connecting the second-stage reaction coil pipe zone and the independent reaction zones of the three-stage reaction coil pipe zone; the second-stage reaction coil pipe zone is connected to the upper sedimentation zone.

[0010] Further, the clean water zone is provided with a clean water collecting tank.

[0011] Further, the filter zone is provided with a filter assembly.

[0012] Further, the sludge discharge zone is provided with a first-stage sludge discharge ring pipe located below each spiral coil pipe reactor, a second-stage sludge discharge ring pipe located below the second-stage reaction coil pipe zone, and a third-stage sludge discharge ring pipe located below the three-stage reaction coil pipe zone; each sludge discharge ring pipe is provided with suction holes and is connected to a sludge discharge pipe leading to the outside of the outer cylinder.

[0013] Compared with the prior art, the flocculation reaction sedimentation device has the following beneficial effects: the flocculation reaction sedimentation device has a novel structure, a reasonable and compact layout, multiple spiral coil pipe reactors, water bodies can be distributed to each spiral coil pipe reactor for sufficient mixing, stirring and collision, good mixing effect, improved collision efficiency of particles in the water body, improved flocculation reaction efficiency, reduced amount of coagulant, and saved treatment cost.

[0014] To make the purpose, technical scheme and advantages of the present application clearer, the following will further describe the present application in detail through specific embodiments and related drawings. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is a schematic view of the internal structure of the flocculation reaction sedimentation device according to an embodiment of the present application;

[0016] Fig. 2 is a top view of the flocculation reaction sedimentation device according to an embodiment of the present application;

[0017] Fig. 3 is a schematic view of the distribution of the sludge discharge ring pipes of the flocculation reaction sedimentation device according to an embodiment of the present application;

[0018] Explanation of the numbers in the figure: 100-outer cylinder, 200-primary reaction coil area, 210-spiral coil reactor, 211-cylinder, 212-spiral plate, 213-mud collecting bucket, 214-mud discharge pipe, 215-spoiler baffle, 216-primary outlet pipe, 300-secondary reaction coil area, 400-tertiary reaction coil area, 500-water distribution weir, 510-downpipe, 600-main water inlet pipe, 700-inner cylinder, 800-primary sewage ring pipe, 900-secondary sewage ring pipe, 1000-tertiary sewage ring pipe. DETAILED DESCRIPTION

[0019] It should be noted that the following detailed descriptions are exemplary and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present application belongs.

[0020] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0021] like Figs. 1-3 As shown, a flocculation reaction precipitator includes an outer cylinder 100, wherein the interior of the outer cylinder is sequentially provided with a clean water area, a filtration area, a sedimentation area, a reaction coil area and a mud discharge area from top to bottom; the reaction coil area is sequentially provided with a primary reaction coil area 200, a secondary reaction coil area 300 and a tertiary reaction coil area 400 from inside to outside; the primary reaction coil area 200 is provided with a plurality of spiral coil reactors 210 uniformly distributed along the circumference; in the specific implementation process, the spiral coil reactors 210 can be 3, 4 or 5; 3 are preferred in this embodiment. The utility model sets a plurality of spiral coil reactors 210 in the lower middle reaction area, and the water body with added coagulant can be distributed to each spiral coil reactor 210 for sufficient mixing, stirring and collision, thereby reducing the water treatment volume of a single spiral coil reactor 210 and improving the treatment effect, but does not affect the total water treatment volume, and the total treatment volume can even be higher; the water body flowing downward along the spiral coil reactor forms a large number of reaction vortices under the combined action of outward centrifugal force and downward gravity, greatly improving the collision efficiency of particles in the water body, and can quickly form uniform, dense and easy-to-precipitate alum flowers, greatly improving the flocculation reaction efficiency, reducing the amount of coagulant added, and saving treatment costs.

[0022] In the embodiment, the spiral coil reactor 210 comprises a cylinder 211, the cylinder is provided with a spiral plate 212, the upper end of the cylinder is sealed by an inverted conical sludge collecting hopper 213, a sludge discharge pipe 214 is arranged in the middle of the sludge collecting hopper and penetrates the spiral coil reactor downward; the spiral coil reactor 210 is separated from the upper sedimentation zone by the inverted conical sludge collecting hopper 213; the sludge collecting hopper 213 is directly used as the cylinder cover of the spiral coil reactor 210, and the structure is more simple.

[0023] In the embodiment, a water distribution weir 500 is arranged at the middle position of the upper end of the outer cylinder, the bottom of the water distribution weir is provided with a corresponding sludge discharge pipe 510 of the spiral coil reactor, and the lower end of the sludge discharge pipe penetrates the sludge collecting hopper; the outer cylinder is provided with a total water inlet pipe 600 leading to the water distribution weir; the total water inlet pipe 600 is first horizontally extended to the center position, then is bent upward by 90° and is extended upward to the water distribution weir; compared with the conventional side water inlet, the sludge discharge pipe directly inlets water from the top of the cylinder, so that the vertical space can be reduced, one more spiral plate can be arranged, and the flocculation reaction efficiency is further improved.

[0024] In the embodiment, the spiral plate is provided with a turbulence baffle 215, and the mixing and stirring effect is further improved.

[0025] In the embodiment, the three-stage reaction coil zone is divided into independent reaction zones in the circumferential direction, and the number of the independent reaction zones is consistent with the number of the spiral coil reactors; the lower part of each spiral coil reactor is provided with a first-stage water outlet pipe 216 connected with the corresponding independent reaction zone of the three-stage reaction coil zone, the spiral plate forms a spiral channel connecting the sludge discharge pipe and the first-stage water outlet pipe, and the first-stage water outlet pipe penetrates the second-stage reaction coil zone; the second-stage reaction coil zone is separated from the three-stage reaction coil zone by an inner cylinder 700, the lower part of the inner cylinder is provided with a communication port connecting the independent reaction zones of the second-stage reaction coil zone and the three-stage reaction coil zone, the second-stage reaction coil zone is connected with the upper sedimentation zone, the second-stage reaction coil zone is located between the inner cylinder and the spiral coil reactor, the second-stage reaction coil zone is separated from the upper sedimentation zone by the annular partition plate arranged obliquely upward and the upper sedimentation zone, and the annular partition plate is connected with an exhaust pipe leading to the upper clear water zone.

[0026] In the embodiment, the clear water zone is provided with a clear water collecting tank.

[0027] In the embodiment, the filtering area is provided with a filtering assembly; the filtering assembly filters flocculation reaction formed flocculation; the filtering assembly comprises a support bracket, a plurality of inclined thin tubes are arranged on the support bracket, the thin tubes fill the upper part of the outer cylinder, so that all the output water bodies need to pass through the screen formed by the thin tubes, and because the length size of the thin tube is much larger than the diameter size, even if the fine impurities in the water body enter the thin tube, they will be hindered by the side wall and gradually sink, so that the impurities are removed when the water flow passes through the thin tube; the filtering assembly structure of the embodiment refers to the filtering assembly disclosed in Chinese patent CN212864401U.

[0028] In the embodiment, the secondary reaction coil area is provided with a water flow resistance mechanism; the water flow resistance mechanism comprises a plurality of reinforcing plates arranged on the outer side of the cylinder of the spiral coil reactor and the inner side of the inner cylinder, so as to increase the structural strength of the cylinder and the inner cylinder of the spiral coil reactor and slightly increase the water flow resistance; the reinforcing plates on the outer side of the cylinder of the spiral coil reactor correspond to the reinforcing plates on the inner side of the inner cylinder; the water flow resistance mechanism of the embodiment refers to the water flow resistance mechanism disclosed in Chinese patent CN212864401U.

[0029] In the embodiment, the tertiary reaction coil area is provided with an up-down spiral flow structure, and the tertiary reaction coil area is divided into a plurality of independent reaction areas by vertical partition plates, and each independent reaction area is provided with a respective up-down spiral flow structure. The up-down spiral flow structure comprises a plurality of vertically arranged partition plates, in order to make the flocculation in the process of flowing with the water flow receive enough resistance, change the steady flow into turbulent flow, a plurality of layers of gratings are arranged transversely between two partition plates, the grid size of the grating is much larger than the size of the sediment, and the upper or lower part of the partition plate is provided with a notch, the partition plate with the notch in the upper part and the partition plate with the notch in the lower part are arranged alternately, so that the water flow flows along the up-down spiral path under the action of the partition plate, so that the water flow changes its direction in the path and is always in a turbulent flow state, and the reaction distance is increased. When the water flow flows through the up-down spiral flow structure, the impurities in the water flow are subjected to centrifugal action, and are enriched and collided on both sides of the water flow channel to produce flocculation precipitation. The up-down spiral flow structure of the embodiment refers to the up-down spiral flow structure disclosed in Chinese patent CN212864401U.

[0030] In the embodiment, the sludge discharge area is provided with a first sludge discharge ring pipe 800 under each spiral coil reactor, a second sludge discharge ring pipe 900 under the second reaction coil area, and a third sludge discharge ring pipe 1000 under the third reaction coil area, and the sludge discharge holes are uniformly arranged on each sludge discharge ring pipe and connected with the sludge discharge pipes leading to the outside of the outer cylinder. The second sludge discharge ring pipe 900 is provided with a notch part avoiding the sludge discharge pipe of the first sludge discharge ring pipe 800, and the third sludge discharge ring pipe 900 is provided with a notch part avoiding the sludge discharge pipe of the first sludge discharge ring pipe 800, the sludge discharge pipe of the second sludge discharge ring pipe 900 and the vertical partition plate. The first sludge discharge ring pipe 800 is used to discharge the sediment in the sedimentation area collected by the sediment collecting hopper 213 and the sludge discharge pipe 214; the second sludge discharge ring pipe 900 is used to discharge the sediment in the second reaction coil area; and the third sludge discharge ring pipe 1000 is used to discharge the sediment in the third reaction coil area.

[0031] Unless otherwise stated, if the above-mentioned any technical solution of the utility model discloses a numerical range, the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that the preferred numerical range is only one of the many implementable values with more obvious technical effects or representative values. Since there are too many values, it is impossible to enumerate them, therefore, the utility model only discloses part of the values to illustrate the technical solutions of the utility model, and the above-mentioned enumerated values should not constitute a limitation on the protection scope of the utility model.

[0032] If the utility model discloses or involves mutually fixed connection of parts or structural members, unless otherwise stated, the fixed connection can be understood as: detachable fixed connection (for example, bolt or screw connection), and can also be understood as: non-detachable fixed connection (for example, riveting, welding), of course, the mutual fixed connection can also be replaced by an integral structure (for example, integrally formed by using casting process) (except for obvious cases that cannot use integral forming process).

[0033] In addition, the terms used to represent the position relationship or shape in any technical solution disclosed in the above-mentioned utility model include the approximate, similar or close state or shape, unless otherwise stated.

[0034] Any component provided by the utility model can be assembled by a plurality of individual components, or can be an individual component manufactured by an integral forming process.

[0035] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments without departing from the technical solution of the present application, and in accordance with the technical essence of the present application, still belong to the protection scope of the technical solution of the present application.

Claims

1. A flocculation reactor settler, characterized by: The outer cylinder is internally provided with, from top to bottom, a clear water zone, a filtering zone, a sedimentation zone, a reaction coil zone and a sludge discharge zone; the reaction coil zone is internally provided with a first reaction coil zone, a second reaction coil zone and a third reaction coil zone from inside to outside; the first reaction coil zone is provided with a plurality of spiral coil reactors which are uniformly distributed along the circumference.

2. The flocculation reactor settler according to claim 1, characterized in that: The spiral coil reactor comprises a cylinder, the cylinder is internally provided with a spiral plate, the upper end of the cylinder is sealed by an inverted conical sludge collecting hopper, and the sludge collecting hopper is internally provided with a sludge discharge pipe which penetrates the spiral coil reactor downward.

3. The flocculation reactor settler according to claim 2, characterized in that: The outer cylinder is internally provided with, from top to bottom, a clear water zone, a filtering zone, a sedimentation zone, a reaction coil zone and a sludge discharge zone; the reaction coil zone is internally provided with a first reaction coil zone, a second reaction coil zone and a third reaction coil zone from inside to outside; the first reaction coil zone is provided with a plurality of spiral coil reactors which are uniformly distributed along the circumference.

4. The flocculation reactor settler according to claim 2, characterized in that: The spiral plate is provided with a turbulence baffle.

5. The flocculation reactor settler of claim 1, wherein: The third reaction coil zone is divided into independent reaction zones in the circumferential direction, and the number of the independent reaction zones is consistent with the number of the spiral coil reactors; the lower part of each spiral coil reactor is provided with a first water outlet pipe which is connected to the corresponding independent reaction zone of the third reaction coil zone; the second reaction coil zone and the third reaction coil zone are separated by an inner cylinder, the lower part of the inner cylinder is provided with a communication port which connects the independent reaction zones of the second reaction coil zone and the third reaction coil zone, and the second reaction coil zone is connected to the sedimentation zone above.

6. The flocculation reactor settler of claim 1, wherein: The clear water zone is provided with a clear water collecting tank.

7. The flocculation reactor settler of claim 1, wherein: The filtering zone is provided with a filtering assembly.

8. The flocculation reactor settler of claim 1, wherein: The sludge discharge zone is provided with a first sludge discharge ring pipe which is located below each spiral coil reactor, a second sludge discharge ring pipe which is located below the second reaction coil zone, and a third sludge discharge ring pipe which is located below the third reaction coil zone; each sludge discharge ring pipe is uniformly provided with a sludge suction hole and is connected to a sludge discharge pipe which leads to the outside of the outer cylinder.

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