CN210419615U

CN210419615U - Magnetic powder sludge separation structure and sewage sedimentation system

Info

Publication number: CN210419615U
Application number: CN201920682789.1U
Authority: CN
Inventors: 孙述
Original assignee: Shenzhen Zhengda Environment Engineering Industrial Co ltd
Current assignee: Shenzhen Zhengda Environment Engineering Industrial Co ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-04-28
Anticipated expiration: 2029-05-13

Abstract

The embodiment of the application belongs to the field of sewage treatment, and relates to a magnetic powder sludge separation structure and a sewage sedimentation system. The device comprises a magnetic powder recovery pipeline, a magnetic mud shearing machine and a magnetic powder recovery separator, wherein the magnetic mud shearing machine and the magnetic powder recovery separator are sequentially arranged on the magnetic powder recovery pipeline, the magnetic powder recovery pipeline transmits sludge coated with magnetic powder to the magnetic mud shearing machine, and the magnetic powder recovery separator separates and outputs the magnetic powder and the sludge; the magnetic mud shearing machine comprises a shearing machine main body, a driving piece and a cutting assembly, wherein the driving piece drives the cutting assembly to break sludge with magnetic powder in the shearing machine main body, the feeding end of the shearing machine main body receives the sludge coated with the magnetic powder, and the discharging end of the shearing machine main body is connected with a magnetic powder recovery separator. The application provides a technical scheme can be through magnetic mud cutter broken separation magnetic and mud, later through the separation of magnetic recovery separating mechanism, mud and magnetic discharge respectively.

Description

Magnetic powder sludge separation structure and sewage sedimentation system

Technical Field

The application relates to the field of sewage treatment, and more particularly relates to a magnetic powder sludge separation structure and a sewage sedimentation system.

Background

The urban sewage treatment generally comprises the treatment processes of settling, coagulating and clarifying by physical gravity, floating and separating solid particles and floating objects, degrading biological pollutants, decomposing and separating chemical pollutants by chemical methods and physical and chemical methods, coagulating and settling impurities suspended in water, and outputting water bodies with water quality according with partial use scenes.

In the coagulation sedimentation process, the existing sewage treatment device usually firstly adopts a coagulant aid to break chemical bonds of pollutant particles such as organic pollutants, nitrogen and phosphorus pollutants and the like suspended in sewage, so that the pollutant particles are separated, and meanwhile, the pH value of a water body is adjusted, the concentration of ionic bonds in the water body is adjusted, and the flocculation sedimentation work is matched. Then adding a flocculating agent, gathering the chemical particles into macroscopic floccules by adsorbing, coiling and bridging the chemical particles, and separating the macroscopic floccules from the water body by a sedimentation process to complete the purification of the sewage.

In the process of sedimentation through the magnetic particles, the magnetic particles are sedimented along with pollutants, and if the magnetic particles are directly removed, the difficulty of the subsequent treatment process is increased, the consumption of the magnetic particles is high, and the sewage treatment process is not economical.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application embodiment will solve provides one kind and can separate the structure of wadding with the mud that has the magnetic to the supporting magnetic separation device of cooperation is with magnetic and mud separation.

In order to solve the technical problem, an embodiment of the application provides a magnetic powder and sludge separation structure, which adopts the following technical scheme:

a magnetic powder sludge separation structure comprises a magnetic powder recovery pipeline, a magnetic powder shearing machine and a magnetic powder recovery separator, wherein the magnetic powder shearing machine and the magnetic powder recovery separator are sequentially arranged on the magnetic powder recovery pipeline, the magnetic powder recovery pipeline transmits sludge coated with magnetic powder to the magnetic powder shearing machine, and the magnetic powder recovery separator separates and outputs the magnetic powder and the sludge; the magnetic mud shearing machine comprises a shearing machine main body, a driving piece and a cutting assembly, wherein the driving piece drives the cutting assembly to break sludge with magnetic powder in the shearing machine main body, the feeding end of the shearing machine main body receives the sludge coated with the magnetic powder, and the discharging end of the shearing machine main body is connected with a magnetic powder recovery separator.

Further, the feeding end of the shear body is arranged at the lower part of the shear body, and the discharging end of the shear body is arranged at the upper part of the shear body.

Furthermore, the cutting assembly comprises a rotating shaft, a plurality of rotating blades and a plurality of fixed blades, the rotating shaft is in driving connection with the driving piece, the plurality of rotating blades are arranged on the rotating shaft, and the plurality of fixed blades are arranged on the inner wall of the shearing machine main body.

Further, the knife edge of the rotating blade is opposite to the opening of the corresponding fixed knife.

In order to solve the technical problem, the embodiment of the present application further provides a sewage sedimentation system, which adopts the above magnetic powder-sludge separation structure:

compared with the prior art, the embodiment of the application mainly has the following beneficial effects: collect mud through setting up the magnetic recovery pipeline to through broken separation magnetic and mud of magnetic mud cutter, later through the separation of magnetic recovery separating mechanism, mud and magnetic discharge respectively, discharged magnetic can reuse, and discharged mud is because not contain the magnetic, and smashes the subsequent processing of being convenient for.

Drawings

In order to illustrate the solution of the present application more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is the schematic diagram of the magnetic powder-sludge separation structure of the utility model.

Fig. 2 is the structural schematic diagram of the sewage sedimentation system of the utility model.

Fig. 3 is a schematic view of the structure of the medicine adding tube of the utility model.

Fig. 4 is a schematic view of the structure of the diversion assembly of the present invention.

Reference numerals:

1-magnetic powder recovery pipeline, 11-magnetic mud shearing machine, 111-shearing machine main body, 1111-feeding pipe, 1112-discharging pipe, 112-driving piece, 113-cutting component, 1131-rotating shaft, 1132-rotating blade, 1133-fixed blade, 12-magnetic powder recovery separator, 2-sludge return pipe, 3-first connecting position, 4-second connecting position, 5-medicine feeding pipe, 51-first material pipe, 52-second material pipe, 53-liquid outlet, 6-stirrer, 7-flow guide component, 71-flow guide plate, A-quick mixing zone, B-magnetic mixing zone, C-flocculation zone, D-sedimentation zone, D1-baffle, D2-water outlet tank, D3-mud scraping plate, D4-inclined pipe and E-water inlet zone.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Embodiment I of magnetic powder and sludge separation structure

The magnetic powder sludge separation structure comprises a magnetic powder recovery pipeline 1, a magnetic powder shearing machine 11 and a magnetic powder recovery separator 12

The magnetic powder recovery pipeline 1 is provided with a magnetic mud shearing machine 11 and a magnetic powder recovery separator 12, one end of the magnetic powder separator is connected with a matched magnetic mixing region B, and the other end of the magnetic mixing separator outputs separated mud to the outside.

The cost of magnetic is than higher to the magnetic can increase the processing degree of difficulty to mud in the middle of mixing mud, with magnetic and mud separation, can reduce the degree of difficulty to mud processing after with magnetic recycle simultaneously. The recovery pipeline outputs the sludge in the matched settling zone D to the magnetic mud shearing machine 11, the magnetic mud is sufficiently smashed through the magnetic mud shearing machine 11, then the smashed magnetic mud is output to the magnetic powder recovery separator 12, magnetic powder is separated through magnetic separation, then the separated sludge of the magnetic powder is discharged, the separated magnetic powder is transported to the top of the magnetic mixing zone B and is filled into the magnetic mixing zone B, and the coagulation reaction of the next stage is assisted. The scheme is favorable for the treatment of subsequent sludge and reduces the use amount of magnetic powder, thereby reducing the cost of sewage treatment.

Wherein the magnetomud shearer 11 comprises: shear body 111, drive 112, and cutting assembly 113

The feed end 1111 of cutter main part 111 is established and is connected through the bottom of magnetic recovery pipeline 1 with settling zone D, the mud that has the magnetic is smashed inside cutter main part 111 to driving piece drive cutting assembly 113, the discharge end 1112 and the magnetic separator of cutter main part 111 are connected to on transmitting the magnetic separator through the pipeline with the mud of smashing, magnetic separator separation magnetic and mud to pass through the pipeline with the magnetic and transmit the magnetic to the magnetic and mix district B, continue the magnetic process of mixing.

Wherein the feeding end 1111 of the shear body 111 is arranged at the lower part of the shear body 111, and the discharging end 1112 of the shear body 111 is arranged at the upper part of the shear body 111.

The sludge with the magnetic powder enters the shearing machine main body 111 through the feeding end 1111 of the shearing machine main body 111, and moves upwards under the driving of subsequent sludge, is fully crushed in the moving process, and the crushed sludge with the magnetic powder is output from the discharging end 1112 of the shearing machine main body 111.

Wherein the cutting assembly 113 comprises a shaft 1131, a rotating blade 1132 and a fixed blade 1133

The rotating shaft 1131 is in driving connection with the driving member 112, a plurality of rotating blades 1132 are disposed on the rotating shaft 1131, and a plurality of fixed blades 1133 are disposed on the inner wall of the shear body 111.

During the process of cutting the sludge with magnetic powder, the driving member 112 drives the rotating blade 1132 to rotate at a high speed inside the shearing machine main body 111, and generates a relatively large speed with the fixed blade 1133, and the fixed blade 1133 cooperates with the rotating blade 1132 to cut the sludge, so as to ensure that the sludge scattered inside the shearing machine main body 111 can be cut, and prevent a part of the sludge from being output from the discharge end 1112 in a state of not being cut, thereby affecting the subsequent processes. And the number of the rotary blades 1132 can be reduced, and the overall life of the cutting assembly 113 can be increased.

The blade of the rotating blade 1132 is opposite to the opening of the corresponding fixed blade 1133, and the scheme is favorable for cutting the sludge with magnetic powder in two directions in the shearing process, so that the sludge can be more sufficiently crushed, and the magnetic powder is separated from the sludge.

Embodiment I of sewage sedimentation system

A high-efficiency sewage sedimentation system with magnetic media comprises: the device comprises a quick mixing area A, a magnetic mixing area B, a flocculation area C and a sedimentation area D, wherein the quick mixing area A, the magnetic mixing area B, the flocculation area C and the sedimentation area D are sequentially connected, and a coagulant aid is added into the quick mixing area A; magnetic powder is added into the magnetic mixing area B; a flocculating agent is added into the flocculation area C; and the settling zone D is respectively connected with the outside to output the treated water and the treated sludge.

The sewage is introduced into the fast mixing area A from the outside, the coagulant aid destroys chemical bonds of pollution particles in the anhydrous state, the pollution particles are separated into a state existing independently from a small-range condensed state, ionic bonds in the sewage are obviously reduced through the adjustment of the pH value, and the positivity of the pollution particles participating in redox reaction is greatly reduced. Then, sewage with a large amount of pollution particles which exist separately in a suspended mode is introduced into the magnetic mixing area B, magnetic powder in the magnetic mixing area B is mixed with the pollution particles in the sewage, a large amount of metal particles are adsorbed through magnetism, a large amount of pollution particles are gathered through magnetization and electrostatic attraction, pollution particles which are large in size and concentrated and take the magnetic powder particles as centers are formed, and the adsorption effect of a magnetic field and an electric field under the macroscopic view is far stronger than that of a chemical bond, so that the pollution particles in the pollution particles are not easy to be re-dissolved into the sewage. Then sewage with a large amount of pollution particles is introduced into the flocculation area C, the flocculating agent is matched with the pollution particles to generate adsorption, coiling and bridging to form alum floc, and in the process of pollutant aggregation, because the pollution particles are concentrated, the particles are large, and the magnetic powder has mutual magnetic action, the pollution particles are particularly easy to aggregate into large and complete flocculent alum floc, and the separation of pollution particles is effectively ensured. Finally, the pollutants after the flocculation reaction overflow into the settling zone D, flocculent alum floc is settled in the settling zone D to form sludge, the sludge is gathered and recovered at the bottom of the settling zone D, and the clarified treated water overflows to the outside through the upper part of the settling zone D for recovery.

The advantage of this scheme lies in through addding magnetism and mixes district B, and flocculent alum blossom gathers easily to the pollutant particle in the alum blossom is difficult for separating and dissociates in sewage, is favorable to subsiding the high-efficient settlement of pollutant among the process.

The high-efficiency sewage sedimentation system with the magnetic medium also comprises a sludge return pipe 2

One end of a sludge return pipe 2 is arranged at the bottom of the settling zone D, and the other end of the sludge return pipe 2 is connected with the magnetic mixing zone B to input part of sludge into the magnetic mixing zone B.

When sewage drives a large amount of pollution particles to enter the magnetic mixing area B, if the impurity concentration of the magnetic mixing area B is too low, magnetic powder cannot absorb enough pollution particles in a short time, so that the pollution particles cannot be smoothly gathered into pollution particles, a large amount of free pollution particles exist in the sewage, and the subsequent flocculation reaction cannot be smoothly and effectively carried out. Mud is in sedimentation zone D bottom gathering, partly passes through the pipeline discharge, another part guides into mud back flow 2 way, later through 2 ways transports of mud back flow and mixes in the middle of the district B to magnetism, and mix the sewage intensive mixing of district B with magnetism, later the concentration of impurity is improved in the sewage, the magnetic can effectually adsorb the pollution particle, and gather into the great pollution granule of a large amount of volumes fast, this scheme is favorable to guaranteeing that magnetism is mixed and is got the gathering of magnetic and pollution particle and go on smoothly, so be favorable to the quick effectual going on of follow-up reaction.

The high-efficiency sewage sedimentation system with the magnetic medium further comprises a water inlet area E

The water inlet area E is connected with the first connecting position 3 at the lower part of the fast mixing area A through the water inlet area E. Through setting up into water district E can and introduce fast muddy district A with sewage from the bottom, be favorable to detaining the great floater of volume and impurity in the district E of intaking, prevent that bold floater and impurity from influencing the going on of coagulating reaction.

Wherein, the junction position interval between district A, the magnetic mixing district B, the flocculation district C that mixes is fast sets up in the top and the bottom in region to make that sewage coagulation in-process is complete to flow through district A, the magnetic mixing district B and the flocculation district C that mixes soon, this scheme is favorable to sewage mobile's distance the biggest, can fully carry out the separation of polluting the particle, the gathering and the coagulation reaction of polluting the granule.

Wherein, flocculation district C and settling zone D are through setting up the second junction 4 liquid connection at flocculation district C and settling zone D top. This solution helps the flocculated contaminants to settle by gravity.

Still be provided with in mixing district A and the flocculation district C soon and add pencil 5, add pencil 5 and include: first material pipe 51 and second material pipe 52, first material pipe 51 sets up on the lateral wall of mixing district A region soon and flocculation district C, second material pipe 52 sets up in the middle of mixing district A soon and flocculation district C, be provided with a plurality of groups of liquid outlets 53 on the second material pipe 52, add the medicine to mixing district A soon and flocculation district C through multiunit liquid outlet 53, and this scheme can guarantee to add even and abundant of medicine process, is favorable to the abundant going on of reaction.

Wherein, the feed liquor end setting of first material pipe 51 is on the upper portion of mixing district A and flocculation district C soon, the play liquid end setting of first material pipe 51 is in the lower part of mixing district A and flocculation district C soon, and this scheme is favorable to providing sufficient hydraulic pressure, is favorable to the medicament to remove from a plurality of liquid outlets 53 that last even and penetrate

Wherein, the liquid outlet 53 sets up in the bottom of second material pipe 52, second material pipe 52 sets up the below at fast mixing district A and flocculation district C agitator, and this scheme is favorable to the medicament to pass through the fast dispersion of rivers that the agitator produced in fast mixing district A and flocculation district C.

The second material pipe 52 is annular, and the blade direction of the stirrer is adapted to the liquid outlet direction of the liquid outlet 53, so that the water flow generated by the stirrer can more effectively drive the dispersion of the medicament in the process of adding the medicament.

The flocculation area C further comprises a flow guide assembly 7. The flow guide assembly 7 comprises a plurality of groups of flow guide plates 71, the flow guide plates 71 are arranged in the flocculation area C along the vertical direction, and the flow guide plates 71 are intersected with the tangential direction of the stirrer 6 arranged in the flocculation area C to prevent the stirrer 6 from generating shearing force in the tangential direction.

In the middle of this embodiment, agitator 6 moves on the horizontal direction, produce vertical decurrent liquid stream, and under the cooperation of flocculation district C bottom and lateral wall, the liquid stream makes progress the top inflow settling zone D that the flocculent alum blossom that produces after the backward flow drives flocculation reaction, in the middle of the process that flows, agitator 6 still can produce the torrent on the tangential direction in flocculation district C, this torrent produces horizontal shear force in the horizontal plane, horizontal shear force smashes flocculent alum blossom, the effect of polluting particle gathering has been influenced, set up a plurality of guide plates 71 on 6 tangential directions of agitator, block the production of torrent, can effectively avoid horizontal shear force's production, be favorable to guaranteeing the treatment effect of sewage treatment business, the production of vertical decurrent liquid stream, and the cooperation of flocculation district C bottom and lateral wall

Wherein the width of the flow guide plate 71 is set to be 8% -18% of the width of the flocculation area C, and a gap is arranged between the flow guide plate 71 and the side wall of the flocculation area C. This scheme is favorable to the effectual flocculation district C middle part of blockking, the torrent that produces around agitator 6 prevents simultaneously that the liquid stream from flowing upward from flocculation district C edge and is hindered.

Wherein the guide plates 71 are opposite to the shaft center of the stirrer, and the distance between the groups of guide plates 71 and the shaft center of the stirrer is equal, the scheme forms a cylindrical area in the flocculation area C, the downward moving liquid flow formed by the stirring of the stirrer 6 corresponds to the cylindrical area, and the scheme is favorable for forming preset water conservancy conditions in the flocculation area C.

Wherein, the density of guide plate 71 reduces from flocculation district C lateral wall middle part to the intersection of the two sets of lateral walls in flocculation district C step by step, agitator 6 is at the in-process of stirring, limited by flocculation district C shape, form strong influence district at the middle part of flocculation district C side, form weak influence district in flocculation district C is close to near the corner of two sets of lateral walls intersections, set up more guide plate 71 in strong influence district with the produced torrent of 6 tangential direction of effective elimination agitator, and set up a small amount of guide plate 71 in weak influence district and receive the destruction in order to prevent to predetermine the water conservancy condition in the weak influence district.

Wherein, a baffle plate D1 and a water outlet groove D2 are also arranged in the settling zone D, and the baffle plate D1 is arranged between the second connecting position 4 and the water outlet groove D2. This solution helps to guide the sewage to accelerate downward, preventing the sewage from being discharged directly through the outlet channel D2.

Further, a mud scraper and an inclined tube D4 are arranged in the settling zone D, the inclined tube D4 is arranged at the bottom of the settling zone D, and the mud scraper is matched with the position of the inclined tube D4. This solution helps the pollutants to settle by gravity by the accumulation of the scraper D3 at the bottom of the settling zone.

Further, the bottom of the water outlet groove D2 extends downwards and slantwise towards the liquid outlet end. The water flow at the liquid outlet end is larger, and the scheme helps to ensure that the water pressure of the whole section of the water outlet groove D2 is kept balanced, so that the treated water is uniformly converged and separated through the upper part of the settling zone D.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. The utility model provides a magnetic mud separation structure which characterized in that: the device comprises a magnetic powder recovery pipeline, a magnetic mud shearing machine and a magnetic powder recovery separator, wherein the magnetic mud shearing machine and the magnetic powder recovery separator are sequentially arranged on the magnetic powder recovery pipeline, the magnetic powder recovery pipeline transmits sludge coated with magnetic powder to the magnetic mud shearing machine, and the magnetic powder recovery separator separates and outputs the magnetic powder and the sludge; the magnetic mud shearing machine comprises a shearing machine main body, a driving piece and a cutting assembly, wherein the driving piece drives the cutting assembly to break sludge with magnetic powder in the shearing machine main body, the feeding end of the shearing machine main body receives the sludge coated with the magnetic powder, and the discharging end of the shearing machine main body is connected with a magnetic powder recovery separator.

2. The magnetic powder sludge separation structure of claim 1, wherein: the feeding end of the shearing machine main body is arranged at the lower part of the shearing machine main body, and the discharging end of the shearing machine main body is arranged at the upper part of the shearing machine main body.

3. The magnetic powder sludge separation structure of claim 2, wherein: the cutting assembly comprises a rotating shaft, a plurality of rotating blades and a plurality of fixed blades, the rotating shaft is in driving connection with the driving piece, the rotating blades are arranged on the rotating shaft, and the fixed blades are arranged on the inner wall of the shearing machine main body.

4. The magnetic powder sludge separation structure of claim 3, wherein: the knife edge of the rotating blade is opposite to the opening of the corresponding fixed knife.

5. A sewage sedimentation system is characterized in that: comprising the magnetic powder sludge separation structure of any one of claims 1 to 4.