CN208632363U - A kind of inorganic sewage sludge feed flocculation mix conveying appliance of Stacked sludge dewatering machine - Google Patents

Abstract

The utility model discloses a kind of inorganic sewage sludge feed of Stacked sludge dewatering machine flocculation mix conveying appliances, the device includes that feed pipe, control valve, PAM feed pipe, pipeline static mixer, charging distribution pipe, branched pipe and bracket are constituted, wherein, feed pipe is connected to control valve, control valve is then connected to pipeline static mixer, it is connected to PAM feed pipe on the pipeline static mixer, for inputting PAM, sludge is made to flocculate；Charging distribution pipe is connected to after the pipeline static mixer；The charging distribution pipe is connected to branched pipe, and the feed pipe, pipeline static mixer, feeding distribution pipe, branched pipe, at least one is supported by bracket.The utility model can guarantee that the sludge continuously entered is preferably flocculated, and flocculating effect is good；Discharge inorganic sludge floc sedimentation good fluidity, will not occur plugging, dewaterer charging instability problem.

Description

A kind of inorganic sewage sludge feed flocculation mix conveying appliance of Stacked sludge dewatering machine

Technical field

The utility model belongs to environmentally friendly field of water treatment equipment, in particular to is used for the nothing of Stacked sludge dewatering machine The conveying of machine sewage sludge feed, can be applied to oil drilling slurry processing, urban river sediment processing, mining, electric power, coal, friendship The fields such as logical, building.

Background technique

With the development of spiral filtration technology, the problem of in order to avoid blocking, last century the seventies are reached in Germany The dynamic of the fields such as fishery, farm that be suitable for of the LYCO company production of Mu Shitate polytechnical university, FAN company and the U.S. determines ring filter Web frame spiral filtration equipment --- Stacked sludge dewatering machine, the type can avoid the problem that generating because of blocking well, and Therefore start to be promoted in countries such as Japan, the South Korea of fishery, grocery trade prosperity.

In recent years, Stacked sludge dewatering machine is also developed, innovates and promotes in China, since folded spiral shell formula sludge is de- Water dispenser is easily separated, nonclogging feature, have been widely used at present municipal wastewater processing and Industrial Wastewater Treatment, petrochemical industry, The various fields such as medicine, weaving, metallurgy, food and drink, mine.

Folded spiral shell dewaterer structural principle: the folded spiral shell main body of dewaterer is layered on top of each other by fixed ring and travelling ring, helical axis The filter device formed therethrough.Leading portion is concentrating part, and back segment is de-watering section.The filter seam formed between fixed ring and travelling ring And the screw pitch of helical axis gradually becomes smaller from concentrating part to de-watering section.

Currently, Stacked sludge dewatering machine has at home and abroad been widely used, be mainly used in municipal wastewater processing, Many fields such as cultured manure water processing, food processing waste processing, papermaking wastewater processing.These fields are with organic sludge substantially It is main.But in terms of high concentration (>=50000mg/L), inorganic mud and sewage processing, such as drilling mud (up to 30%), mine tailings Water, riverway sludge, power plant desulfurization sewage etc. can not apply or using effect is bad, many Die Luo dewaterers producer product type selection sample Sludge maximum concentration only 50000mg/L in this.Its reason is analyzed, among other factors, folds the charging flocculation tank design of spiral shell machine It is influence factor.For the material based on low concentration sludge and organic sludge, takes and 0.1% polyacrylamide is added in flocculation tank Amine PAM solution, blender stir at low speed flocculation, and wadding body floats after being formed, and enter folded spiral shell machine through the gravity flow of flocculation tank upper outlet pipe Dehydration.But this structure is unsuitable for inorganic sludge, high concentration sludge.Main problem is following three aspects: first is that Inorganic sludge specific gravity is generally higher than 1.5, and sludge quickly sinks after flocculation tank flocculation, and flocculation tank exports on top, to lead Floccule body is caused to accumulate in slot, mixing speed is small, and wadding body is swept along together, it is difficult to guarantee that the sludge continuously entered obtains preferably Flocculation；Mixing speed is big, and floccule body may be made to be broken up again；Second is that the floc sedimentation largely deposited, which significantly reduces flocculation tank, to be had Space is imitated, the flocculation residence time is obviously shortened, and flocculating effect deteriorates；Third is that discharging, inorganic sludge floc sedimentation viscosity is strong, is deposited on Pipeline lower part, poor fluidity, Yi Fasheng plugging, dewaterer feed instability problem.

A kind of input structure of thickened sludge dewaterer as disclosed in patent application 201520425890.0, including sewage Process container, sewage treatment upper vessel portion be equipped with clear liquid overfall, sewage treatment container top be equipped with cover board, cover board be equipped with into Expect sliding slot and material guiding tube, feeding chute and material guiding tube are located at the above and below of cover board, and feeding chute is connected to material guiding tube, Material guiding tube protrudes into sewage treatment container middle and lower part.The feeding device (input structure) is carried out only by feeding chute and material guiding tube Charging, is still unable to satisfy the demand of inorganic sludge, high concentration sludge.

A kind of for another example hydraulic biomass filtrate sludge dewatering equipment disclosed in patent application 201720347979.9, including Extruding-desiccation machine, roller drying machine, the extruding-desiccation machine, roller drying machine are sequentially connected, and the extruding-desiccation machine includes base Frame, the pedestal are horizontally arranged in left-right direction, and extruding and discharging hydraulic cylinder, charging are from left to right successively fixed on the pedestal Device, drainage pipeline section, discharging pipeline section, the extruding and discharging hydraulic cylinder are controlled by hydraulic station and provide power, the hydraulic station Positioned at the left side of the pedestal, the roller drying machine includes bracket, be sequentially installed with from left to right on the bracket hair dryer, Heater, roller, the left side of the roller are equipped with feed inlet protective case, and the right side of the roller is equipped with discharge port protective case.So And the feeding device cannot achieve the effect of flocculating setting using vertically disposed feeding cylinder a3.

Utility model content

To solve the above problems, the purpose of this utility model is to provide a kind of inorganic sludge of Stacked sludge dewatering machine Charging flocculation mix conveying appliance, the device can guarantee steady and continuous inorganic sewage sludge feed and good flocculating effect.

To be designed to provide a kind of charging flocculation for folding spiral shell dewaterer for inorganic sludge mixed for another of the utility model Conveying device is closed, which can guarantee that the inorganic sludge floc sedimentation to be formed steadily conveys and feed distribution in pipe, avoid dirt The intermittent blocking of mud.

To achieve the above object, the technical solution of the utility model is as follows.

A kind of inorganic sewage sludge feed flocculation mix conveying appliance of Stacked sludge dewatering machine, it is characterised in that the device packet Feed pipe, control valve, PAM (polyacrylamide high polymer coagulant) feed pipe, pipeline static mixer, charging distribution are included Pipe, branched pipe and bracket are constituted, wherein feed pipe is connected to control valve, and control valve is then connected to pipeline static mixer, the pipeline It is connected to PAM feed pipe on static mixer, for inputting PAM, sludge is made to flocculate；The pipeline static mixer is connected to again Feed distribution pipe；The charging distribution pipe is connected to branched pipe, the feed pipe, pipeline static mixer, charging distribution pipe, branch At least one is managed to be supported by bracket.

Further, the feed pipe, pipeline static mixer, charging distribution pipe, branched pipe are supported by bracket, with steady Gu the structure of conveying device.

Further, it is provided with the U-shaped bend pipe of conveying between the pipeline static mixer and charging distribution pipe, charging is made to flocculate Mix conveying appliance structure is more compact, and flocculation is more fully mixed.

Further, the pipeline static mixer, transporting elbow, charging distribution pipe, branched pipe whole Process Design have 10- 30 ° of gradients make it have good mobility so that sludge can sufficiently flow out.

Further, the branched pipe has 1 to 4, and each branched pipe equilibrium is connected in charging distribution pipe, and branched pipe Bottom with charging distribution pipe is that tangent line is connect, and guarantees the bottom dead angle Bu Liu of charging distribution pipe.

Further, Teflon (PTFE) is coated in the pipeline of the U-shaped bend pipe of the conveying, charging distribution pipe and branched pipe Coating has hydrophobic character since PTFE coating is non-polar material；Coating coefficient of friction≤0.1 simultaneously, compared in stainless steel Pipe friction coefficient 0.3 is still 3 times small, reduces pipeline viscosity coefficient.

The inorganic sewage sludge feed flocculation mix conveying appliance for the Stacked sludge dewatering machine that the utility model is realized, passes through The structure setting of pipeline static mixer, U-shaped bend pipe, charging distribution pipe, branched pipe etc., can guarantee that the sludge continuously entered obtains To preferable flocculation；Discharge inorganic sludge floc sedimentation good fluidity, will not occur plugging, dewaterer charging instability problem.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that the utility model is implemented.

Fig. 2 is the side view that U-shaped bend pipe, charging distribution pipe, branched pipe are conveyed in Fig. 1.

Fig. 3 is the connection schematic diagram that the utility model realizes charging distribution pipe and branched pipe.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

Shown in Fig. 1, Fig. 2, the inorganic sewage sludge feed for the Stacked sludge dewatering machine realized by the utility model is flocculated mixed Close the structural schematic diagram of conveying device, wherein the device includes that feed pipe 1, control valve 3, PAM feed pipe 5, pipeline static are mixed Clutch 6, the U-shaped bend pipe 7 of conveying, charging distribution pipe 8, branched pipe 9 and bracket 4 are constituted, wherein feed pipe 1 is arranged in small rack 2 On, and be connected to control valve 3, control valve 3 is then connected to pipeline static mixer 6, be connected on the pipeline static mixer 6 PAM into Expects pipe 5 makes sludge flocculate for inputting PAM；It is provided between the pipeline static mixer 6 and charging distribution pipe 8 defeated U-shaped bend pipe 7 is sent, sufficiently to flocculate.The charging distribution pipe 8 is connected to branched pipe 9.

The feed pipe 1, pipeline static mixer 6, charging distribution pipe 8, branched pipe 9 are supported by bracket, with firm The structure of the utility model.

Bracket 4 is by horizontally disposed supporting support 42 and angularly disposed 41 structure of inclined support between supporting support 42 At supporting support 42 is to supporting pipeline static mixer 6, the U-shaped bend pipe 7 of conveying, feed pipe 1, and inclined support 41 is to reinforce Structural strength between supporting support 42.

As shown in connection with fig. 2, the pipeline static mixer 6, the U-shaped bend pipe 7 of conveying, charging distribution pipe 8, branched pipe 9 are whole Design has the 10-30 ° of gradient, so that floc sedimentation can have good flowing kinetic energy.

As shown in connection with fig. 3, the branched pipe 9 has 1 to 4, and each 9 equilibrium of branched pipe is connected in charging distribution pipe 8, and Branched pipe 9 is that tangent line is connect with the bottom 81 of charging distribution pipe 8, guarantees the bottom dead angle Bu Liu of charging distribution pipe 8.

It conveys and sprays Teflon (PTFE) coating in the pipeline of U-shaped bend pipe 7, charging distribution pipe 8 and branched pipe 9, due to PTFE coating is non-polar material, has hydrophobic character；Coating coefficient of friction≤0.1 simultaneously, compared with pipe friction system in stainless steel Number 0.3 is still 3 times small.

Pipeline viscosity coefficient is reduced, is vital for preventing intermittent blocking.The utility model emphasis is adopted With following three measures: spraying Teflon (PTFE) first is that conveying in U-shaped bend pipe 7, charging distribution pipe 8 and 9 pipeline of branched pipe Coating has hydrophobic character since PTFE coating is non-polar material；Coating coefficient of friction≤0.1 simultaneously, compared in stainless steel Pipe friction coefficient 0.3 is still 3 times small；Second is that static mixer, U-shaped bend pipe, charging distribution pipe, 10-30 ° of branched pipe whole Process Design The gradient；Third is that each branched pipe is that bottom tangent is connect with charging distribution pipe, guarantee the main distribution duct bottom dead angle Bu Liu, each branch Pipe distribution is balanced.

Due to pipeline static mixer mixing efficiency high (up to 98%), specifications and models are complete, investment is small, energy consumption is small, Take up an area less, is compact-sized, being widely used in every profession and trade, using also very general in terms of mixing is flocculated in sewage treatment Time.But application is had no in spiral sludge dewatering machine field.The pipeline for overcoming inorganic sludge floc sedimentation viscosity, improving floc sedimentation mobility Distributor also has no related patents or application.

The principles of the present invention explanation:

Inorganic sewage is pumped into device, controls inlet amount by device inlet control valve, charging sewage and flocculant pump The flocculant (PAM) come is in pipeline static mixer, left when making fluid by the effect of the fixed hybrid element of mixer Dextrorotation when rotation, constantly change flow direction, not only push center liquid stream to periphery, but also push peripheral fluid to center, from And cause good radial circular flow mixed effect.

Experiment test display, wraps up the PAM colloid of inorganic floc sedimentation, since viscosity is strong, easily occurs in conveyance conduit solid Water separation, shows as that water is constantly lost, floc sedimentation constantly deposits, causes line clogging, when blocking accumulates to a certain extent, water flow Pressure breaks through blocking floc sedimentation, and floc sedimentation and water flow travel forward；After water flow pressure release, restart floc sedimentation deposition, aggregate performance For the blocking of floc sedimentation intermittence.Characterization floc sedimentation intermittence blocking is controlled by tube fluid Reynolds number.Re=ρ vd/ η, wherein v, ρ, d, η Respectively solid-liquid two-phase flow apparent velocity, Floc density, pipe diameter and floc sedimentation viscosity coefficient.Viscosity coefficient and floc sedimentation viscosity, Coefficient of pipe friction, pipeline material hydrophobicity and conduit slope are related, and therefore, the utility model designs static mixer, defeated Sending U-shaped bend pipe, charging distribution pipe, branched pipe is the 10-30 ° of gradient, and to convey U-shaped bend pipe, charging distribution pipe and branched pipe into It has gone hydrophobic material spraying, while being significantly reduced pipe internal surface coefficient of friction.

A kind of inorganic sewage sludge feed flocculation blending transportation for Stacked sludge dewatering machine that the utility model is realized as a result, Device can guarantee the sludge continuously entered by the structure setting of pipeline static mixer, charging distribution pipe, branched pipe etc. It is preferably flocculated, flocculating effect is good；Discharge inorganic sludge floc sedimentation good fluidity, will not occur plugging, dewaterer charging not Stable problem.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (6)

1. The mix conveying appliance 1. the inorganic sewage sludge feed of Stacked sludge dewatering machine a kind of is flocculated, it is characterised in that the device includes There are feed pipe, control valve, PAM feed pipe, pipeline static mixer, charging distribution pipe, branched pipe and bracket to constitute, wherein into Expects pipe is connected to control valve, and control valve is then connected to pipeline static mixer, PAM feed pipe is connected on the pipeline static mixer, For inputting PAM, sludge is made to flocculate；The pipeline static mixer is connected to charging distribution pipe again；The charging distribution pipe It is connected to branched pipe, the feed pipe, pipeline static mixer, feeding distribution pipe, branched pipe, at least one is supported by bracket.
2. The mix conveying appliance 2. the inorganic sewage sludge feed of Stacked sludge dewatering machine as described in claim 1 is flocculated, feature It is that the feed pipe, pipeline static mixer, charging distribution pipe, branched pipe are supported by bracket.
3. The mix conveying appliance 3. the inorganic sewage sludge feed of Stacked sludge dewatering machine as described in claim 1 is flocculated, feature It is to be provided with the U-shaped bend pipe of conveying between the pipeline static mixer and charging distribution pipe.
4. The mix conveying appliance 4. the inorganic sewage sludge feed of Stacked sludge dewatering machine as claimed in claim 3 is flocculated, feature It is that the pipeline static mixer, the U-shaped bend pipe of conveying, charging distribution pipe, branched pipe whole Process Design have the 10-30 ° of gradient.
5. The mix conveying appliance 5. the inorganic sewage sludge feed of Stacked sludge dewatering machine as claimed in claim 4 is flocculated, feature It is that the branched pipe has 1 to 4, each branched pipe equilibrium is connected in charging distribution pipe, and branched pipe and charging distribution pipe Bottom be tangent line connection.
6. The mix conveying appliance 6. the inorganic sewage sludge feed of Stacked sludge dewatering machine as claimed in claim 5 is flocculated, feature It is to be coated with teflon coatings in the pipeline of the U-shaped bend pipe of the conveying, charging distribution pipe and branched pipe.