CN118145772A - Integrated dosing reaction precipitation device and use method - Google Patents

Abstract

The invention belongs to the technical field of sewage treatment, in particular to an integrated dosing reaction precipitation device and a use method thereof, wherein the integrated dosing reaction precipitation device comprises a precipitation tank and a water inlet pipe fixedly connected to one side of the precipitation tank, a precipitation assembly is arranged on the surface of the precipitation tank, the precipitation assembly comprises a spiral guide pipe fixedly connected to the inner wall surface of the precipitation tank, and one end of the spiral guide pipe is connected with the water inlet pipe; the sewage through spiral honeycomb duct can make the medicament misce bene under the effect of rivers to form flocculation precipitation at the sediment tank, can collect the sediment through collecting the filter pulp, the clarified water overflows from outlet pipe one side, does not need supporting solitary agitating unit, and area is little, has saved power consumption and investment, simultaneously sets up the unloading subassembly, can drive baffle reciprocating motion through the rivers, and then drives flocculating agent and coagulant aid and evenly throw in, improves the effect of throwing in of flocculating agent.

Description

Integrated dosing reaction precipitation device and use method

Technical Field

The invention belongs to the technical field of sewage treatment, and particularly relates to an integrated dosing reaction precipitation device and a use method thereof.

Background

The sewage treatment means that sewage containing various wastes, organic matters, inorganic matters and microorganisms is treated by a series of processes to meet the discharge standard or the recycling requirement. Because of the large variety of pollutants in the wastewater, one method is often insufficient, and the quality of the effluent can meet the standard only by combining multiple physical, chemical and biological treatment methods;

The chemical treatment is a wastewater treatment method which uses chemical agents to carry out reactions such as precipitation, oxidation, reduction and the like on organic matters, inorganic matters and heavy metal ions in the wastewater, and changes the chemical property or physical property of pollutants in the wastewater through the chemical reactions to enable the pollutants to be converted into a precipitation or floating state from a dissolved, colloidal or suspended state or converted into a gaseous state from a solid state so as to be removed from the water; wherein, the coagulation treatment method is completed by adding a chemical agent, and after the chemical agent forms a precipitate with pollutants in water, the wastewater and the pollutants are separated through a subsequent sedimentation step;

Through investigation publication (bulletin) number: CN219907169U discloses a flocculant uniform dosing device for sewage treatment, which discloses in the technology that the device comprises a flocculant stirring box and a sewage treatment box which are communicated, wherein the sewage treatment box is positioned below the flocculant stirring box, a filter plate and a partition plate are arranged between the stirring box and the sewage treatment box, the partition plate is connected with a driving mechanism, and the partition plate is used for isolating and communicating the flocculant stirring box and the sewage treatment box under the driving of the driving mechanism; the flocculant stirring tank and the sewage treatment tank are internally provided with stirring devices and other technical schemes, and the sewage treatment device has the technical effects that flocculant aqueous solution can uniformly enter the sewage treatment tank from multiple positions through the stainless steel filter plate to carry out sewage treatment, so that the phenomenon of uneven mixing and the like caused by aggregation of directly added flocculant at the same position in sewage in a short time is avoided;

the existing treatment process in the market is provided with an independent dosing reaction area and is matched with a stirring device to ensure that the medicaments are uniformly mixed, the investment and the running cost are low, and when the treatment process is used for a long time, part of impurities in sewage are easy to adhere to a stirring rod to form scales, so that the burden of a motor is increased, and therefore, the stirring rod is required to be cleaned regularly, so that the working efficiency of sewage treatment is reduced;

in order to solve the problems, the application provides an integrated dosing reaction precipitation device.

Disclosure of Invention

To solve the problems set forth in the background art. The invention provides an integrated dosing reaction precipitation device and a use method thereof, which have the characteristics of uniform mixing of medicaments through water flow, no need of a matched independent stirring device, small occupied area, power consumption and investment saving and great reduction of operation cost.

In order to achieve the above purpose, the present invention provides the following technical solutions: the integrated dosing reaction precipitation device comprises a precipitation tank and a water inlet pipe fixedly connected to one side of the precipitation tank, wherein a precipitation assembly is arranged in the precipitation tank;

the sedimentation assembly comprises a spiral flow guide pipe fixedly connected with the inner wall surface of the sedimentation tank, one end of the spiral flow guide pipe is connected with the water inlet pipe, the other end of the spiral flow guide pipe is fixedly connected with a communicating pipe, a sedimentation cylinder is fixedly connected inside the sedimentation tank, the sedimentation cylinder is communicated with the communicating pipe, the surface of the spiral flow guide pipe is close to one side of the water inlet pipe, a flocculating agent adding box is fixedly mounted on one side of the water inlet pipe, and a water outlet pipe is fixedly connected on one side of the surface of the sedimentation tank.

As the integrated dosing reaction precipitation device is preferable, the bottom end of the precipitation cylinder is fixedly connected with a filter screen with an annular structure, the bottom of the precipitation tank is of a bucket-pouring structure, and the bottom end of the inside of the precipitation cylinder is provided with a collecting filter bucket.

As the integrated dosing reaction precipitation device, preferably, the inside of the collecting filter bucket is fixedly connected with a hanging ring, and the surface of the hanging ring is connected with a hanging rope.

As the integrated dosing reaction precipitation device is preferable, the flocculant adding box and the coagulant aid adding box are both internally provided with a blanking component, the blanking component comprises a baffle plate which is in sliding connection with the interior of the flocculant adding box, one side of the baffle plate is symmetrically and fixedly connected with a connecting rod, one end of the connecting rod, which is far away from the baffle plate, is fixedly connected with a pushing block, the surface of the connecting rod is sleeved with a spring, two ends of the spring respectively collide with the pushing block and the flocculant adding box, an elliptic block is rotationally connected in the flocculant adding box, one side, which is close to the elliptic block, of the interior of the spiral guide pipe is rotationally connected with a blade, and the blade is connected with the elliptic block through a connecting shaft.

As the integrated dosing reaction precipitation device, a plurality of groups of rollers are preferably arranged at one side, close to the elliptical block, of the inside of the push block.

As the integrated dosing reaction precipitation device, the upper surfaces of the flocculant adding box and the coagulant aid adding box are fixedly connected with a feed hopper, and the bottom ends of the flocculant adding box and the coagulant aid adding box are of inverted bucket structures.

The application method of the integrated dosing reaction precipitation device comprises the following steps:

s1, injecting water into the guide cylinder through a water inlet pipe, and then adding a flocculating agent to one side of a flocculating agent adding box when water flow passes through the guide cylinder, and reacting for 2-5min;

S2, adding coagulant aid at one side of the coagulant aid adding box, and reacting for 2-5min;

s3, enabling the added medicament to be uniformly mixed by means of water flow, enabling sewage to enter the interior of the sedimentation cylinder through the communicating pipe after reaction, enabling flocculate to fall into the collection filter bucket along the bottom surface of the sedimentation tank after sedimentation in the sedimentation tank, and collecting sediment through the collection filter bucket;

S4, gradually rising along with the increase of the clarified water, and finally overflowing from one side of the water outlet pipe (32).

Compared with the prior art, the invention has the beneficial effects that: the device is suitable for the project that the water treatment quantity is less than or equal to 400m ³/d, and the coagulating sedimentation is finished by adding flocculating agent and coagulant aid at the front end or the tail end of the water treatment flow. This device is through setting up sedimentation subassembly, can make the medicament misce bene under the effect of rivers through spiral honeycomb duct to form flocculation sediment at sedimentation tank, can collect the precipitate through collecting the filter pulp, the clarified water overflows from outlet pipe one side, does not need supporting solitary agitating unit, and area is little, has saved power consumption and investment, sets up the unloading subassembly simultaneously, can drive baffle reciprocating motion through the rivers, and then drives flocculating agent and coagulant aid and evenly throw in, improves the effect of throwing in of flocculating agent.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of a settling tank in accordance with the present invention;

FIG. 3 is a schematic view of the structure of the filter screen and the sedimentation cylinder of the present invention;

FIG. 4 is a cross-sectional view of a flocculant addition cassette of the present invention;

Fig. 5 is a schematic structural view of a baffle and a push block in the present invention.

In the figure:

1. a precipitation tank; 2. a water inlet pipe;

3. A precipitation assembly; 31. a spiral guide pipe; 32. a water outlet pipe; 33. a flocculant adding box; 34. coagulant aid adding box; 35. a hanging rope; 36. collecting a filter bucket; 37. a hanging ring; 38. a communicating pipe; 39. a filter screen; 310. a precipitation drum;

4. A blanking assembly; 41. an elliptic block; 42. a paddle; 43. a baffle; 44. a connecting rod; 45. a pushing block; 46. a spring; 47. and a roller.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

As shown in fig. 1:

The integrated dosing reaction precipitation device comprises a precipitation tank 1 and a water inlet pipe 2 fixedly connected to one side of the precipitation tank 1.

In this embodiment: existing publication (bulletin) numbers: CN219907169U discloses a flocculant uniform dosing device for sewage treatment; in order to solve the technical problems in the prior art, as disclosed in the background art, the treatment process on the market at present is to set up a separate dosing reaction zone and match a stirring device to uniformly mix the medicaments, the investment and the operation cost are not low, and when the treatment process is used for a long time, part of impurities in sewage are easy to adhere to a stirring rod to form scales, so that the burden of a motor is increased, the stirring rod needs to be cleaned regularly, and the working efficiency of sewage treatment is reduced.

Further, the method comprises the following steps:

As shown in fig. 1-5:

In combination with the above, the sedimentation assembly 3 comprises the spiral flow guide pipe 31 fixedly connected to the inner wall surface of the sedimentation tank 1, one end of the spiral flow guide pipe 31 is connected with the water inlet pipe 2, the other end of the spiral flow guide pipe 31 is fixedly connected with the communicating pipe 38, the sedimentation tank 1 is fixedly connected with the sedimentation cylinder 310, the sedimentation cylinder 310 is communicated with the communicating pipe 38, the flocculant adding box 33 is fixedly installed on one side of the surface of the spiral flow guide pipe 31, which is close to the water inlet pipe 2, the coagulant aid adding box 34 is fixedly installed on one side of the surface of the water inlet pipe 2, which is far away from the flocculant adding box 33, and the water outlet pipe 32 is fixedly connected to one side of the surface of the sedimentation tank 1.

In this embodiment: when the integrated dosing reaction precipitation device is used, water is injected into the spiral guide pipe 31 through the water inlet pipe 2, then a flocculating agent is added to one side of the flocculating agent adding box 33 when water flows through the spiral guide pipe 31, then a coagulant aid is added to one side of the coagulant aid adding box 34, the added medicaments are uniformly mixed by the flowing of water, sewage enters the precipitation barrel 310 through the communicating pipe 38 after reacting, flocs are precipitated in the precipitation barrel 310, and finally clear water overflows from one side of the water outlet pipe 32 along with the rising of the water level in the precipitation tank 1.

It should be noted that: the device is suitable for the project that the water treatment quantity is less than or equal to 400m < 3 >/d, and the coagulating sedimentation is finished by adding flocculating agent and coagulant aid at the front end or the tail end of the water treatment flow. The device can be made of carbon steel or made of a steel concrete structure, the gradient of the spiral guide pipe 31 is 0.1-0.3% according to the on-site situation, and the reaction time of the flocculating agent and the coagulant aid is 2-5min respectively.

Still further, the method comprises:

As shown in fig. 1-5:

To facilitate removal of the collected flocculated precipitate, in an alternative embodiment: the bottom end of the sedimentation cylinder 310 is fixedly connected with a filter screen 39 with an annular structure, the bottom of the sedimentation tank 1 is of a bucket-reversing structure, and the bottom end inside the sedimentation cylinder 310 is provided with a collecting filter bucket 36; the inside fixedly connected with rings 37 of collection filter funnel 36, rings 37's surface is connected with lifting rope 35.

In this embodiment: the flocculation can fall into the collection filter funnel 36 along the bottom surface of the sedimentation cylinder 310 after sedimentation in the sedimentation cylinder 310, the sediment is collected through the collection filter funnel 36, meanwhile, the filter screen 39 can filter the sewage of the sedimentation cylinder 310, the filtered clarified water can flow into the sedimentation tank 1 through the filter screen 39, and overflows to one side of the water outlet pipe 32 along with the rising of the water level in the sedimentation tank 1, and is discharged through the water outlet pipe 32, when the sediment in the collection filter funnel 36 needs to be cleaned, the collection filter funnel 36 is lifted by pulling the lifting rope 35, and impurities in the collection filter funnel 36 can be cleaned.

Further, the method comprises the following steps:

As shown in fig. 1-5:

In combination with the above, the flocculant adding box 33 and the coagulant aid adding box 34 are both internally provided with the blanking component 4, the blanking component 4 comprises a baffle 43 which is in sliding connection with the interior of the flocculant adding box 33, one side of the baffle 43 is symmetrically and fixedly connected with a connecting rod 44, one end of the connecting rod 44 away from the baffle 43 is fixedly connected with a push block 45, the surface of the connecting rod 44 is sleeved with a spring 46, two ends of the spring 46 respectively collide with the push block 45 and the flocculant adding box 33, an elliptic block 41 is rotationally connected with the interior of the flocculant adding box 33, one side of the spiral guide pipe 31, which is close to the elliptic block 41, is rotationally connected with a blade 42, and the blade 42 is connected with the elliptic block 41 through a connecting shaft; a plurality of groups of rollers 47 are arranged in the pushing block 45 at one side close to the elliptical block 41; the upper surfaces of the flocculant adding box 33 and the coagulant aid adding box 34 are fixedly connected with a feed hopper, and the bottom ends of the flocculant adding box 33 and the coagulant aid adding box 34 are of inverted bucket structures.

In this embodiment: when sewage passes through the spiral flow guide pipe 31, the inside rivers of spiral flow guide pipe 31 can drive paddle 42 and rotate, then paddle 42 can drive oval piece 41 and rotate, drive the side of oval piece 41 and roll at the gyro wheel 47 surface, and cooperate spring 46 to drive the reciprocating motion of ejector pad 45, drive the reciprocating open and shut of baffle 43 through connecting rod 44, be convenient for flocculating agent and coagulant aid even unloading, when spiral flow guide pipe 31 does not pass through rivers, spring 46 can promote the inclined plane of ejector pad 45 extrusion oval piece 41, promote oval piece 41 and rotate, ejector pad 45 can drive baffle 43 to the shutoff of flocculating agent interpolation box 33 through connecting rod 44 simultaneously, avoid the flocculating agent leakage.

It should be noted that: the sliding friction is converted into rolling friction by the roller 47, and the resistance between the push block 45 and the elliptical block 41 is reduced.

The application method of the integrated dosing reaction precipitation device comprises the following steps of

S1, injecting water into the guide cylinder 31 through the water inlet pipe 2, and then adding a flocculating agent to one side of the flocculating agent adding box 33 when the water flow passes through the guide cylinder 31, and reacting for 2-5min;

S2, adding coagulant aid at one side of the coagulant aid adding box 34, and reacting for 2-5min;

S3, the added medicines are uniformly mixed by the flow of water, sewage enters the interior of the sedimentation cylinder 310 through the communicating pipe 38 after reaction, flocculates are precipitated in the sedimentation tank 1 and fall into the collecting filter 36 along the bottom surface of the sedimentation tank 1, and the sediments are collected through the collecting filter 36;

S4, gradually rising along with the increase of the clarified water, and finally overflowing from one side of the water outlet pipe 32.

When sewage passes through the spiral flow guide pipe 31, water flow in the spiral flow guide pipe 31 can drive the paddle 42 to rotate, then the paddle 42 can drive the elliptical block 41 to rotate, the side face of the elliptical block 41 is driven to roll on the surface of the roller 47, and the pushing block 45 is driven to reciprocate by the cooperation of the spring 46, the baffle 43 is driven to reciprocate to open and close by the connecting rod 44, so that flocculant and coagulant aid are uniformly discharged, when the spiral flow guide pipe 31 does not pass through water flow, the spring 46 can push the pushing block 45 to squeeze the inclined face of the elliptical block 41, the elliptical block 41 is pushed to rotate, meanwhile, the pushing block 45 can drive the baffle 43 to plug the flocculant adding box 33 through the connecting rod 44, flocculant leakage is avoided, flocculates can fall into the collection filter bucket 36 along the bottom face of the sedimentation cylinder 310 after sedimentation cylinder 310 is precipitated in the sedimentation cylinder 310, meanwhile, the filtered sewage of the sedimentation cylinder 310 can flow into the sedimentation cylinder 1 through the filter screen 39, and overflows to one side of the water outlet pipe 32 along with the internal rising of the sedimentation cylinder 1, impurities can be cleaned by pulling the lifting rope 35 when the sediment inside the collection filter bucket 36 is required to clean up.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that the present invention is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention to solve the problems set forth in the above background art.

Claims (8)

1. The utility model provides an integration adds medicine reaction precipitation device, is in including precipitation tank (1) and fixed connection inlet tube (2) of precipitation tank (1) one side, its characterized in that: a sedimentation component (3) is arranged in the sedimentation tank (1);

Sedimentation subassembly (3) are in including fixed connection spiral honeycomb duct (31) of sedimentation tank (1) internal face, just the one end of spiral honeycomb duct (31) with inlet tube (2) are connected, the other end fixedly connected with communicating pipe (38) of spiral honeycomb duct (31), sedimentation tank (1) inside fixedly connected with sedimentation cylinder (310), just sedimentation cylinder (310) with communicating pipe (38) are linked together, spiral honeycomb duct (31) surface is close to inlet tube (2) one side fixed mounting has flocculant to add box (33), inlet tube (2) surface is kept away from one side fixed mounting of flocculant to add box (33) has coagulant aid to add box (34), sedimentation tank (1) surface one side fixedly connected with outlet pipe (32).

2. The integrated dosing reaction precipitation device of claim 1, wherein: the bottom of the sedimentation cylinder (310) is fixedly connected with a filter screen (39) with an annular structure, the bottom of the sedimentation tank (1) is of a bucket-reversing structure, and the bottom of the interior of the sedimentation cylinder (310) is provided with a collection filter bucket (36).

3. The integrated dosing reaction precipitation device of claim 2, wherein: the inside fixedly connected with rings (37) of collection filter vat (36), the surface of rings (37) is connected with lifting rope (35).

4. The integrated dosing reaction precipitation device of claim 1, wherein: the novel flocculant adding box comprises a flocculant adding box body (33) and a coagulant aid adding box body (34), wherein a blanking component (4) is arranged in the coagulant aid adding box body (34), the blanking component (4) comprises a baffle plate (43) which is connected with the flocculant adding box body (33) in a sliding mode, one side of the baffle plate (43) is symmetrically and fixedly connected with a connecting rod (44), one end of the connecting rod (44) away from the baffle plate (43) is fixedly connected with a pushing block (45), a spring (46) is sleeved on the surface of the connecting rod (44), two ends of the spring (46) are respectively abutted against the pushing block (45) and the flocculant adding box body (33), an oval block (41) is connected to the inside rotation of the flocculant adding box body (33), one side, close to the oval block (41), of the inside of a spiral guide pipe (31) is connected with a paddle (42) in a rotating mode, and the paddle (42) is connected with the oval block (41) through a connecting shaft.

5. The integrated dosing reaction precipitation device of claim 4, wherein: and a plurality of groups of rollers (47) are arranged at one side, close to the elliptical block (41), inside the pushing block (45).

6. The integrated dosing reaction precipitation device of claim 3, wherein: the upper surfaces of the flocculant adding box (33) and the coagulant aid adding box (34) are fixedly connected with a feed hopper, and the inner bottom ends of the flocculant adding box (33) and the coagulant aid adding box (34) are of a bucket pouring structure.

7. The integrated dosing reaction precipitation device of claim 3, wherein: the gradient of the spiral guide pipe (31) is 0.1% -0.3%.

8. A method of using the integrated medicated reaction precipitation device of any of claims 1-7, wherein:

S1, injecting water into the guide cylinder (31) through a water inlet pipe (2), and then adding a flocculating agent to one side of a flocculating agent adding box (33) when water flows through the guide cylinder (31), and reacting for 2-5min;

S2, adding coagulant aid at one side of a coagulant aid adding box (34), and reacting for 2-5min;

S3, enabling the added medicament to be uniformly mixed by means of water flow, enabling sewage to enter the interior of a sedimentation cylinder (310) through a communicating pipe (38) after reaction, enabling flocculate to fall into a collection filter funnel (36) along the bottom surface of the sedimentation cylinder (1) after sedimentation in the sedimentation cylinder (1), and collecting sediment through the collection filter funnel (36);

S4, gradually rising along with the increase of the clarified water, and finally overflowing from one side of the water outlet pipe (32).