CN106943974A - A kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD - Google Patents

A kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD Download PDF

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Publication number
CN106943974A
CN106943974A CN201710181801.6A CN201710181801A CN106943974A CN 106943974 A CN106943974 A CN 106943974A CN 201710181801 A CN201710181801 A CN 201710181801A CN 106943974 A CN106943974 A CN 106943974A
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China
Prior art keywords
cell body
water conservancy
conservancy diversion
diversion column
hollow shaft
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Granted
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CN201710181801.6A
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Chinese (zh)
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CN106943974B (en
Inventor
罗立群
黄红
刘斌
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/70Spray-mixers, e.g. for mixing intersecting sheets of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71Feed mechanisms
    • B01F35/712Feed mechanisms for feeding fluids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053Details of the reactor

Abstract

The present invention relates to a kind of degraded groove for being suitable to degraded COD.A kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD, it is characterised in that it includes cell body, lower water conservancy diversion column, pulp-absorbing pipe, connecting pole, air-flow dispersion tube, injection screen, upper water conservancy diversion column, cylinder lever connecting rod, driving frame, drive stand, diaphragm, overflow launder, central hollow shaft, radial blade and rotating mechanism;Center lower section inside cell body is provided with lower water conservancy diversion column, and lower water conservancy diversion column is fixed on the bottom surface inside cell body through connecting pole;Overcentre inside cell body is provided with upper water conservancy diversion column, and upper water conservancy diversion column is connected by cylinder lever connecting rod with driving frame lower end, and upper water conservancy diversion column is provided with hole;The lower section of upper water conservancy diversion column is provided with horn-like injection screen, and the upper end of injection screen is fixedly connected with the lower end of upper water conservancy diversion column;Center in the middle part of cell body is provided with air-flow dispersion tube.The degraded groove can realize automatic midge, and can be sufficiently stirred for material, reach degraded COD, or scattered, gas-liquid mixture or gas-liquid-solid multiphase material purpose.

Description

A kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD
Technical field
The present invention relates to a kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD.
Background technology
In chemical process, environmental project, municipal works and mineral process, it usually needs in its production process of degrading Liquid slurry, or scattered, mixing solution-air or gas-liquid-solid multiphase material.Agitator or tank diameter are generally used, but is made at present Agitator is degraded, and COD and multiphase are scattered, mixed effect is poor, time-consuming, causes high energy consumption, disposal ability low, serious restriction The treatment effect and production capacity of correlative.
The characteristics of present invention has used for reference gas-liquid-solid material mixing mineralising in mineral process, using provided with automatic midge The characteristics of pipe, Aerated stirring injection disperse to be combined with mixed phase, the strength mixing of gas-liquid-solid multi-phase material can be greatly improved;Profit With the combination of air-flow dispersion tube and injection screen, coordinate the effect of upper and lower guide shell, improve gas-liquid-solid multi-phase material more Property is dissipated, the effect of COD in degraded slurry can be greatly improved, so as to improve degraded COD disposal ability, processing energy is reduced Consumption, be degraded COD or scattered, mixing solution-air or gas in chemical process, environmental project, municipal works and mineral process- Liquid-solid multiphase material provides a kind of be applicable and reliable infant industry processing equipment.
The content of the invention
It is an object of the invention to provide a kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD, the degraded groove can Automatic midge is realized, and material can be sufficiently stirred for, degraded COD, or scattered, mixing solution-air or gas-liquid-solid multiphase material is reached Purpose;With strong applicability, it is simple to operate, safe and reliable, continuously run the characteristics of.
To achieve these goals, the technical scheme is that:A kind of self-priming injecting type for being suitable to degraded COD efficiently drops Groove is solved, it includes cell body 1, lower water conservancy diversion column 2, pulp-absorbing pipe 3, connecting pole 5, air-flow dispersion tube 6, injection screen 7, upper water conservancy diversion column 8th, cylinder lever connecting rod 9, driving frame 10, drive stand 11, diaphragm 15, overflow launder 17, central hollow shaft 18, radial blade 19th, rotating mechanism;
Center lower section inside cell body 1 is provided with lower water conservancy diversion column 2, and lower water conservancy diversion column 2 is fixed on inside cell body through connecting pole 5 Bottom surface on;Overcentre inside cell body 1 is provided with upper water conservancy diversion column 8, and upper water conservancy diversion column 8 is by cylinder lever connecting rod 9 and driving frame 10 lower ends are connected, and upper water conservancy diversion column 8 is provided with hole;Driving frame 10 is placed on cell body 1, and is fixedly connected with cell body 1;On lead The lower section for flowing column 8 is provided with horn-like injection screen 7, sprays the upper end of screen 7 and connects with the lower end fixation of upper water conservancy diversion column 8 Connect, injection screen 7 is provided with spray-hole;The center at the middle part of cell body 1 is provided with air-flow dispersion tube 6, and air-flow dispersion tube 6 is located at jetted grid The lower section of plate 7, air-flow dispersion tube 6 is connected through pull bar with injection screen 7, and air-flow dispersion tube 6 can be adjusted up and down;Air-flow disperses Cylinder 6 is located at the top of lower water conservancy diversion column 2;
Driving frame 10 is provided with drive stand 11, and the top of central hollow shaft 18 is arranged on drive stand 11 by bearing On, the upper end of central hollow shaft 18 is connected with rotating mechanism;The bottom of central hollow shaft 18 is placed in the inside center of cell body 1, in The bottom of hollow shaft 18 is entreated to pass through driving frame 10, upper water conservancy diversion column 8, injection screen 7, air-flow dispersion tube 6, central hollow shaft 18 Bottom, which is provided with radial blade 19, the central hollow shaft 18 between radial blade 19, is provided with multiple breeder tubes, ventilation Aperture is communicated with the hole in central hollow shaft 18, and the hole in central hollow shaft 18 is connected with source of the gas;The bottom of radial blade 19 In lower water conservancy diversion column 2;
The peripheral-edge lower of cell body 1 is provided with stock inlet 3, and stock inlet 3 passes through the lower water conservancy diversion below pulp-absorbing pipe 4 and cell body center of inside Column 2 is connected;Grout outlet 16 is provided with the cell body outer rim top of the heteropleural of stock inlet 4, grout outlet 16 is externally provided with slurry outlet groove 17, gone out The inner side of cell body 1 for starching mouth 16 is provided with diaphragm 15, and the section of diaphragm 15 is L-shaped, is fixedly connected with the inner edge of cell body 1.
By above-mentioned technical proposal, the cross section of cell body 1 is circular or octagonal;It is described when circle is in the cross section of cell body 1 The a diameter of 500mm~15000mm of cell body 1.
By above-mentioned technical proposal, the described diameter of lower water conservancy diversion column 2 and the diameter proportion of cell body 1 is 1:2~3;It is described The diameter proportion of diameter and cell body 1 of upper water conservancy diversion column 8 be 1:2~3.
By above-mentioned technical proposal, height of the lower edge away from cell body bottom surface of lower water conservancy diversion column 2 is 100mm~1500mm.
By above-mentioned technical proposal, the spray-hole on injection screen 7 is circular or ellipse, circular or oval spray-hole A diameter of 5mm~50mm.
By above-mentioned technical proposal, rotating mechanism includes driven pulley 12, driving motor 14;Driven pulley 12 is arranged on central hollow The upper end of axle 18, driven pulley 12 is connected through V belt with the driving wheel on driving motor 14, and driving motor 14, which is arranged on, to be passed On motivation frame 10, driving frame 10 is provided with protective cover 13, and the drive disk assembly of driven pulley, V belt and driving motor 14 is located at In protective cover 13.
By above-mentioned technical proposal, the middle and lower part of radial blade is separated by hole leaf dividing plate 20, the radial blade Separation up and down compare for 1.5:1~5:1.
By above-mentioned technical proposal, the air-flow dispersion tube 6 is provided with O-shaped dispersion hole;The lower edge of air-flow dispersion tube 6 is away from cell body The height of bottom surface is 300mm~5000mm.
By above-mentioned technical proposal, the radial blade is 3~8;The separation of upper and lower hole leaf dividing plate 20, which is compared, is 1.5:1~5:1 (flow direction of control slurry, adjustable according to cell body diameter proportion).
The beneficial effects of the invention are as follows:
1st, the self-priming injecting type efficient degradation groove for being suitable to degraded COD of the invention, utilizes entering for being set below cell body outer rim Mouth is starched, due to the gyration of radial blade below cell body central hollow shaft, below pulp-absorbing pipe and cell body center of inside Connected lower water conservancy diversion column, and by the slurry material of suction, throw away slurry with the radial blade below central hollow shaft and formed Negative pressure, so as to realize automatic midge, and can be sufficiently stirred for material, reach the purpose of dispersed material.
2nd, the self-priming injecting type efficient degradation groove for being suitable to degraded COD of the invention, utilizes lower water conservancy diversion column and cell body bottom surface Certain height, such as:200mm, or 500mm, or 800mm etc.;Slurry shape is thrown away through the radial blade below central hollow shaft Into after negative pressure, a part of slurry is sucked through pulp-absorbing pipe and supplemented, the slurry that another part is thrown away by radial blade, due to slurry The difference of pressure and supplement after flowing back again, so as to form radial liquid circulation in cell body bottom, reach degraded COD, or point Dissipate the mesh of (scattered available for gas-solid, or scattered between different liquids), mixing solution-air or gas-liquid-solid multiphase material 's.
2nd, the self-priming injecting type efficient degradation groove for being suitable to degraded COD of the invention, is set using the overcentre inside cell body The upper water conservancy diversion column put, because the slurry below upper water conservancy diversion column is thrown out of and forms slurry missing, around upper water conservancy diversion column Slurry supplements (upper water conservancy diversion column is provided with hole, and is larger hole, and number can be lacked) from the center of the upward water conservancy diversion column of surrounding, from And the motion in top stream is formed, cause to disperse, mix solution-air or gas-liquid-solid multiphase material.
3rd, the self-priming injecting type efficient degradation groove for being suitable to degraded COD of the invention, more by what is set on central hollow shaft The air-flow and the collective effect of radial blade discharged in individual breeder tube, and air-flow dispersion tube further air-flow cutting with Under peptizaiton, efficient degradation COD and scattered, mixing solution-air or gas-liquid-solid multiphase material are reached.
4th, the self-priming injecting type efficient degradation groove for being suitable to degraded COD of the invention, in the further gas of air-flow dispersion tube Under stream cutting and peptizaiton, the solution-air being thrown out of or gas-liquid-solid multiphase material, in the presence of horn-like injection screen, Solution-air or gas-liquid-solid multiphase can be made fully to contact and collide, and upper and lower dual reflux cycle stock is formed with upper and lower water conservancy diversion column Stream, realizes high efficiency dispersion, melange effect, reaches the purpose of COD in efficient degradation material.
5th, the self-priming injecting type efficient degradation groove for being suitable to degraded COD of the invention, in the cell body outer rim of stock inlet heteropleural Side sets grout outlet, and diaphragm is provided with the inside of the cell body of grout outlet, and the section of diaphragm is L-shaped, can prevent slurry Short circuit and the charge less point of degrading, and be easy to collect processed product, make degradation process continuous, no potential safety hazard, realization was operated Journey is succinct.
6th, the self-priming injecting type efficient degradation groove for being suitable to degraded COD of the invention, in the middle and lower part of radial blade by band Hole blade dividing plate, separates than being 1.5 up and down:1~5:1, the circulation port on blade dividing plate is conducive to the balance of slurry above and below regulation, And when the slurry for having solid material is shut down, operation and loss of material are easy in energy starting under load, plasma discharge when preventing from shutting down.
7th, experiment shows:When handling identical material, and when reaching identical treatment effect, disposal ability improve 3 times with On, or treatment time foreshortens to 1/3rd, is such as shortened within 8~9 hours 2~3 hours by former treatment time.It is suitable for solution-air Or the high density slurry of the liquid-solid multiphase of gas, and treatment effect is good.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the sectional view with pulp-inlet pipe and discharging opening of the present invention.
Fig. 3 is with breeder tube and the schematic diagram with circulation port on blade dividing plate on the central hollow shaft of the present invention.
Fig. 4 is Fig. 3 top plan view.
In figure:Water conservancy diversion column under 1- cell bodies, 2-, 3- pulp-absorbing pipes, 4- stock inlets, 5- connecting poles, 6- air-flow dispersion tubes, 7- sprays Penetrate screen, the upper water conservancy diversion columns of 8-, 9- cylinder lever connecting rods, 10- driving frames, 11- drive stands, 12- driven pulleys, 13- protective covers, 14- driving motors, 15- diaphragms, 16- grout outlets, 17- overflow launders, 18- central hollow shafts, 19- radial blades, 20- bands Hole blade dividing plate, 21- floss holes (are provided with valve), 22- stabiliers, at the top of 23- central hollow shafts.
Embodiment
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD, it includes groove Body 1, lower water conservancy diversion column 2, pulp-absorbing pipe 3, stock inlet 4, connecting pole 5, air-flow dispersion tube 6, injection screen 7, upper water conservancy diversion column 8, company Connect pull bar 9, driving frame 10, drive stand 11, driven pulley 12, protective cover 13, driving motor 14, diaphragm 15, grout outlet 16th, overflow launder 17, central hollow shaft 18, radial blade 19, hole leaf dividing plate 20;
The cross section of cell body 1 is in circular or octagonal (the described a diameter of 500mm~15000mm of cell body 1), cell body 1 Provided with lower water conservancy diversion column 2, (diameter of described lower water conservancy diversion column 2 is 1 with the diameter proportion of cell body 1 for the center lower section in portion:2~3, Such as 1:2,1:2.5,1:3 etc.), lower water conservancy diversion column 2 is fixed on the bottom surface inside cell body through connecting pole 5, under lower water conservancy diversion column 2 Height of the edge away from cell body bottom surface is 100mm~1500mm (i.e. the height of connecting pole 5 is 100mm~1500mm);And cell body diameter When big, the height of lower edge and cell body of lower water conservancy diversion column 2 is bigger (taking large values);Overcentre inside cell body 1, which is provided with, above leads Flowing column 8, (diameter of described upper water conservancy diversion column 8 is 1 with the diameter proportion of cell body 1:2~3, such as 1:2,1:2.5,1:3 etc.), Upper water conservancy diversion column 8 is connected by cylinder lever connecting rod 9 with the lower end of driving frame 10, and upper water conservancy diversion column 8 is provided with hole (upper water conservancy diversion column week The slurry enclosed is supplemented from the center of the upward water conservancy diversion column of surrounding);The lower section of upper water conservancy diversion column 8 is provided with horn-like injection screen 7, The upper end of injection screen 7 is fixedly connected with the lower end of upper water conservancy diversion column 8, and injection screen 7 is provided with a certain size, in regularity row The spray-hole of row (spray-hole is circular or ellipse, a diameter of 5mm~50mm of circular or oval spray-hole);In cell body 1 The center in portion is provided with air-flow dispersion tube 6, and air-flow dispersion tube 6 is located at the lower section of injection screen 7, and air-flow dispersion tube 6 is through pull bar and spray Screen 7 is penetrated to be connected, and air-flow dispersion tube 6 can be adjusted up and down;Air-flow dispersion tube 6 is located at the top of lower water conservancy diversion column 2.
Driving frame 10 is placed on cell body 1 (upper end that driving frame 10 is arranged on cell body 1), and is fixedly connected with cell body 1, Driving frame 10 is provided with drive stand 11, and the top of central hollow shaft 18 is arranged on (central hollow on drive stand 11 by bearing Heart axle 18 passes through drive stand 11, is connected by bearing, central hollow shaft 18 is rotatable), the upper end of central hollow shaft 18 is provided with Driven pulley 12, driven pulley 12 is connected through V belt with the driving wheel on driving motor 14, and driving motor 14 is arranged on driver On frame 10, driving frame 10 is provided with protective cover 13, and the drive disk assembly of driven pulley, V belt and driving motor 14 is located at protection In cover 13 (the drive disk assembly outer rim of driven pulley, V belt and driving motor 14 is provided with protective cover 13).Central hollow shaft 18 Bottom is placed in the inside center of cell body 1, the bottom of central hollow shaft 18 through driving frame 10, upper water conservancy diversion column 8, injection screen 7, Air-flow dispersion tube 6, the bottom of central hollow shaft 18 is provided with radial blade 19, the central hollow shaft 18 between radial blade 19 Provided with multiple breeder tubes, (breeder tube is communicated with the hole in central hollow shaft 18, hole and source of the gas in central hollow shaft 18 Be connected, for ventilating), the middle and lower part of radial blade separated by hole leaf dividing plate 20 (radial blade up and down point Every than for 1.5:1~5:1);The bottom of radial blade 19 is located in lower water conservancy diversion column 2.
The peripheral-edge lower of cell body 1 is provided with stock inlet 3, and stock inlet 3 passes through the lower water conservancy diversion below pulp-absorbing pipe 4 and cell body center of inside Column 2 is connected;Grout outlet 16 is provided with the cell body outer rim top of the heteropleural of stock inlet 4, grout outlet 16 is externally provided with slurry outlet groove 17, gone out The inner side of cell body 1 for starching mouth 16 is provided with diaphragm 15, and the section of diaphragm 15 is L-shaped, is fixedly connected with the inner edge of cell body 1.
Upper limb is provided with stabilier 22 (22 in such as Fig. 1, preventing from producing vortex along cell body inwall) in the circular cell body.
The air-flow dispersion tube 6 is provided with O-shaped dispersion hole;Height of the lower edge of air-flow dispersion tube 6 away from cell body bottom surface be 300mm~5000mm.
The radial blade is 3~8;The separation of upper and lower hole leaf dividing plate 20 is compared for 1.5:1~5:1 (Fig. 3 In, a:B=1.5:1~5:1).
Described pulp-inlet pipe 4 is in plastic joining with stock inlet 3, lower water conservancy diversion column 2.
Experiment shows:When handling identical material, and when reaching identical treatment effect, disposal ability improves more than 3 times, Or treatment time foreshortens to 1/3rd, such as shortened to 2~3 hours for 8~9 hours by former treatment time.It is suitable for solution-air Or the high density slurry of the liquid-solid multiphase of gas, and treatment effect is good.
The course of work:
1st, reached according to the characteristic and the rheological equationm of state of pending slurry or material, and after processing required for slurry or material Requirement, it is determined that the operating parameter such as processing intensity, time and flow of aerating air.
2nd, material inlet valve, three that part slurry or material, such as cell body swept volume are put into certain flow are opened / mono- or a quarter, starting motor, (mixing part is moved, and drives the central hollow shaft 18 and blade of air-filled pore to stir Mix part);Charging valve is opened, aeration quantity is progressively increased and adjust to suitable position.
3rd, with the increase of slurry or material in cell body, during liquid to cell body grout outlet in cell body, according to slurry or thing The processing requirement of material is adjusted into slurry flow, when charging is gradually in balance with discharging, reaches the state continuously worked.
The 4th, if the slurry or material of processing are discontinuous, slurry-inlet valve door is closed, treats that slurry or material are handled to institute During the requirement needed, the discharge since the guard valve of bottom, and turn charge valve down, treat that slurry or material in cell body drain into 1/3rd Or when below a quarter, motor is closed, when the slurry or drained material in cell body, then complete a cycle or follow Ring.
5th, when continuous work or the material of discontinuous, when being stopped because of emergency, it is not necessary to empty slurry in cell body or Material.When needing to start, charging valve is first opened, a bit of time is inflated in advance, such as 3~5 minutes, then row startup main motor Carry out the processing operation of respective process.
Operation principle:
1st, in chemical process, environmental project, municipal works and mineral process, the slurry waste liquid of generation or outstanding containing solid The fluid of float COD or carries out that multiphase is scattered, mixed effect is poor, time-consuming, causes high energy consumption, disposal ability low, it is necessary to degrade.
2nd, the characteristics of using for reference gas-liquid-solid material mixing mineralising in mineral process, root edge design is automatic inside cell body Pulp-absorbing pipe midge, when driving blade works (driving motor 14 rotates with central hollow shaft 18 and radial blade 19), puts Penetrate shape blade to be thrown out of the slurry around it, negative pressure is produced around radial blade, pending slurry or material passes through Automatic pulp-absorbing pipe flows into cell body, and the purpose of automatic midge is reached from opportunity.
3rd, compressed gas is imported, in radial blade and air-flow dispersion tube using central hollow shaft and the breeder tube of lower section (central hollow shaft is connected with compressed gas source, and central hollow shaft is rotation, on the top of axle with the collective effect of injection screen 23 at the top of central hollow shaft in portion, such as Fig. 1, fixation end cap and transhipment kiln body with rotary kiln, or motor fixation carbon brush with Rotor is similar), air flow multi-stage is cut, disperseed, mixed, and is contacted, collided, sheared with fluid and solid material Multiple action, the multi-functional disperseed with mixing is sprayed using Aerated stirring axle, gas-liquid-solid multi-phase material can be greatly improved Strength is mixed.
4th, the fluid or material in cell body, using the combination of air-flow dispersion tube and injection screen, coordinates upper and lower guide shell Effect, improves the dispersivity of gas-liquid-solid multi-phase material, the effect of COD in degraded slurry can be greatly improved, so as to improve drop Solve COD disposal ability, reduction processing energy consumption.
5th, degrade or scattered, mixed material discharged through grout outlet or bottom guard valve, collected by corresponding volume, So as to the slurry or material after being handled.

Claims (9)

1. a kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD, it is characterised in that it includes cell body(1), lower water conservancy diversion erect Cylinder(2), pulp-absorbing pipe(3), connecting pole(5), air-flow dispersion tube(6), injection screen(7), upper water conservancy diversion column(8), cylinder lever connecting rod (9), driving frame(10), drive stand(11), diaphragm(15), overflow launder(17), central hollow shaft(18), radial leaf Piece(19), rotating mechanism;
Cell body(1)Internal center lower section is provided with lower water conservancy diversion column(2), lower water conservancy diversion column(2)Through connecting pole(5)It is fixed on cell body On internal bottom surface;Cell body(1)Internal overcentre is provided with upper water conservancy diversion column(8), upper water conservancy diversion column(8)By cylinder lever connecting rod (9)With driving frame(10)Lower end is connected, upper water conservancy diversion column(8)It is provided with hole;Driving frame(10)It is placed in cell body(1)On, And and cell body(1)It is fixedly connected;Upper water conservancy diversion column(8)Lower section be provided with horn-like injection screen(7), spray screen(7)'s Upper end and upper water conservancy diversion column(8)Lower end be fixedly connected, spray screen(7)It is provided with spray-hole;Cell body(1)The center at middle part is set There is air-flow dispersion tube(6), air-flow dispersion tube(6)Positioned at injection screen(7)Lower section, air-flow dispersion tube(6)Through pull bar and injection Screen(7)It is connected;Air-flow dispersion tube(6)Positioned at lower water conservancy diversion column(2)Top;
Driving frame(10)It is provided with drive stand(11), central hollow shaft(18)Top by bearing be arranged on drive stand (11)On, central hollow shaft(18)Upper end be connected with rotating mechanism;Central hollow shaft(18)Bottom be placed in cell body(1)It is interior Portion center, central hollow shaft(18)Bottom pass through driving frame(10), upper water conservancy diversion column(8), injection screen(7), air-flow point Dissipate cylinder(6), central hollow shaft(18)Bottom is provided with radial blade(19), in radial blade(19)Between central hollow shaft (18)It is provided with breeder tube, breeder tube and central hollow shaft(18)Interior hole is communicated, central hollow shaft(18)Interior hole with Source of the gas is connected;Radial blade(19)Bottom be located at lower water conservancy diversion column(2)It is interior;
Cell body(1)Peripheral-edge lower is provided with stock inlet(3), stock inlet(3)Pass through pulp-absorbing pipe(4)Under below cell body center of inside Water conservancy diversion column(2)It is connected;With stock inlet(4)The cell body outer rim top of heteropleural is provided with grout outlet(16), grout outlet(16)Peripheral hardware There is slurry outlet groove(17), grout outlet(16)Cell body(1)Inner side is provided with diaphragm(15), diaphragm(15)Section it is L-shaped, With cell body(1)Inner edge is fixedly connected.
2. a kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD according to claim 1, it is characterised in that groove Body(1)Cross section be circular or octagonal;Cell body(1)Cross section for it is circular when, described cell body(1)A diameter of 500 mm ~15000 mm.
3. a kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD according to claim 1, it is characterised in that institute The lower water conservancy diversion column stated(2)Diameter and cell body(1)Diameter proportion be 1:2~3;Described upper water conservancy diversion column(8)Diameter With cell body(1)Diameter proportion be 1:2~3.
4. a kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD according to claim 1, it is characterised in that under Water conservancy diversion column(2)Height of the lower edge away from cell body bottom surface be the mm of 100 mm~1500.
5. a kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD according to claim 1, it is characterised in that spray Penetrate screen(7)On spray-hole be circular or ellipse, the mm of a diameter of 5 mm of circular or oval spray-hole~50.
6. a kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD according to claim 1, it is characterised in that rotation Rotation mechanism includes driven pulley(12), driving motor(14);Driven pulley(12)Installed in central hollow shaft(18)Upper end, it is driven Wheel(12)Through V belt and driving motor(14)On driving wheel be connected, driving motor(14)Installed in driving frame(10) On, driving frame(10)It is provided with protective cover(13), driven pulley, V belt and driving motor(14)Drive disk assembly be located at it is anti- Shield(13)It is interior.
7. a kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD according to claim 1, it is characterised in that put The middle and lower part of shape blade is penetrated by hole leaf dividing plate(20)Separate, the separation up and down of the radial blade is compared for 1.5:1~5: 1。
8. a kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD according to claim 1, it is characterised in that institute State air-flow dispersion tube(6)It is provided with O-shaped dispersion hole;Air-flow dispersion tube(6)Height of the lower edge away from cell body bottom surface for 300 mm~ 5000 mm。
9. a kind of self-priming injecting type efficient degradation groove for being suitable to degraded COD according to claim 1, it is characterised in that institute Radial blade is stated for 3~8;Upper and lower hole leaf dividing plate(20)Separation compare for 1.5:1~5:1.
CN201710181801.6A 2017-03-24 2017-03-24 A kind of self-priming injecting type efficient degradation slot suitable for the COD that degrades Active CN106943974B (en)

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CN111121893A (en) * 2019-12-10 2020-05-08 德闻仪器仪表(上海)有限公司 Synthesize fairing's multichannel ultrasonic wave flow metering device

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