CN105366757A - Circulation-type adsorption tank and adsorption method thereof - Google Patents
Circulation-type adsorption tank and adsorption method thereof Download PDFInfo
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- CN105366757A CN105366757A CN201410422904.3A CN201410422904A CN105366757A CN 105366757 A CN105366757 A CN 105366757A CN 201410422904 A CN201410422904 A CN 201410422904A CN 105366757 A CN105366757 A CN 105366757A
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Abstract
The invention discloses a circulation-type adsorption tank and an adsorption method thereof, and belongs to the field of water treatment. The circulation-type adsorption tank is a closed adsorption tank. A reaction chamber is formed in the upper portion of the circulation-type adsorption tank, a reverse-cone-shaped settling chamber is formed in the lower portion of the circulation-type adsorption tank in a downward-extending mode, a flow guide cylinder is fixed to the upper portion of the adsorption tank, and a separating chamber and an overflow chamber are formed. A water outlet pipe is formed at the upper portion of the circulation-type adsorption tank, a mud discharging pipe is formed at the lower portion of the circulation-type adsorption tank, and the upper end of a throat pipe section with the in-pipe flow speed ranging from 1.0 m/s to 1.5 m/s is connected with the lower end of a lifting section to form a fluidized reactor located in the circulation-type adsorption tank. A water outlet of a water inlet pipe is formed in the lower end of the fluidized reactor, and the upper end of the water outlet is formed in the flow guide cylinder. The ratio of the cross sectional area of an outlet of the lifting section to the cross sectional area of the throat section is 25:4-9:1. By means of the circulation-type adsorption tank and the adsorption method, the problems that in the prior art, a stirrer needs to be arranged, energy consumption is large, the phenomenon that settled resin is impacted by water flow is prone to be caused, and the quality of a separated water body is influenced are solved, and the circulation-type adsorption tank and the adsorption method have the advantages that a user does not need to arrange the stirrer, energy consumption is low, wastewater and adsorbent are effectively and sufficiently mixed, an eddy rises, and the stable quality of the water body is achieved.
Description
Technical field
The invention discloses a kind of circulation type adsorption tank and adsorption method thereof, belong to water treatment field.
Background technology
In field of waste water treatment, be the difficult point of water treatment field to the process of hardly degraded organic substance such as aromatic hydroxy compound, heterogeneous ring compound, be also the study hotspot in this field always.At present, the conventional treatment process of hardly degraded organic substance comprises the coupling processing of chemical oxidation, physical adsorption, chemical oxidation and physical adsorption.
For chemical oxidation method, catalytic ozonation is conventional a kind of means can carrying out advanced treatment to organic waste water.The oxidisability of ozone is strong, and have unusual effect for the colour of camel's hair, deodorizing, sterilization, organics removal and inorganics, the water quality after process is better; But catalytic ozonation process needs to configure ozonizer, and the current consumption of ozonizer is large.In addition, the key of catalytic ozonation is ozone catalyst, and the catalytic activity of catalyzer will directly affect the efficiency of catalytic ozonation organic waste water, and the catalytic efficiency of ozone catalyst is lower at present, cost is higher, this to a certain degree on limit the application of catalytic ozonation in water treatment.
Physical adsorption refers to the absorption relying on the molecular force (Van der Waals force) between sorbent material and adsorption molecule to carry out, and main sorbent material is gac or other porous mediums.In wastewater treatment process, physisorphtion can as the pretreatment process of the method such as ion-exchange, membrane sepn, the organism in waste water, colloid substances and chlorine residue etc. are removed by the adsorption of sorbent material, also can as the means of organic waste water being carried out to advanced treatment, to ensure the quality of reuse water.
The major equipment that physical adsorption adopts according to it is classified, and mainly comprises fixed bed, moving-bed and thermopnore three kinds.
Fixed bed is adsorption unit the most frequently used in wastewater treatment, because sorbent material is fixing and gain the name in the operating process of this kind of equipment, and the solid particulate sorbent material transfixion of namely filling, waste water continues through the equipment of filling sorbent material; In the process that waste water continues through, the pollutent in waste water by adsorbent, thus realizes the process to waste water.Because the replacing of sorbent material in fixed bed is very difficult, therefore fixed bed is mainly used in the process containing lower concentration hardly degraded organic substance.
Moving-bed is that former water enters and carries out counter current contact with sorbent material bottom adsorption bed, the adsorption unit that after process, water outlet is flowed out from top, in moving-bed, sorbent material can regenerate, sorbent material after regeneration adds from top, discharges from bottom close to the saturated sorbent material of absorption.Compare with fixed bed, moving-bed makes full use of the loading capacity of sorbent material, and head loss is little, but due to sorbent material be flowing in moving-bed, the breakage of sorbent material can be more serious than fixed bed, so higher to the requirement of strength of sorbent material.Simultaneously because waste water enters from tower bottom flow, flow out from tower top, the suspended substance be trapped is discharged at the bottom of tower with saturated sorbent material, this operating method requires that the fresh sorbent material being positioned at tower upper strata can not mix mutually with the saturated sorbent material being positioned at Ta Nei lower floor, so the requirement of moving-bed to operation is higher.
The maximum difference of fluidized-bed and fixed bed is exactly utilize gas or liquid to make solid adsorbent be in suspended motion state, thus enables waste water contact the longer time with solid adsorbent, thus reaches better water treatment effect.In fluidized-bed, sorbent material is in swelling state, sorbent material and the reverse continuous flow of waste water, compared with fixed bed, can use less granule adsorbent such as pulverous sorbent material, the cost of sorbent material is lower, therefore in current organic wastewater treatment process, fluidized-bed, compared with fixed bed, moving-bed, has and applies more widely.
In prior art, Chinese patent literature CN102219285A provides and discloses the resin ion exchange of a kind of continuous-flow inner-circulation plan fluidized-bed and adsorptive reactor, it comprises reactor body shell, inclined tube separator, water collecting dike, water inlet pipe, rising pipe, also comprises reducing fluid-bed, flow deflector, resin regeneration tank, resin vent pipe, regenerating resin return line, water distribution ejector.Reactor body outer casing bottom is provided with water inlet pipe and is connected with water distribution ejector, water distribution ejector is connected with reducing fluid-bed bottom, propeller type stirrer is provided with for making the waste water that enters and resin and promote on current direction simultaneously in the bottom of reducing fluid-bed, between reactor body shell and reducing fluid-bed, flow deflector is set, inclined tube separator is set between reactor body shell and flow deflector, the top of inclined tube separator arranges water collecting dike, water collecting dike is connected with rising pipe, resin regeneration tank by resin vent pipe and regenerating resin return line respectively with reactor bottom, reducing fluid-bed is connected.This reactor operationally, pending waste water enters reactor through water inlet pipe, water injection allocator distribution through water distribution ejector enters jet pipe, under the effect of the fluid that jet pipe gushes out and resin agitator in reducing fluid-bed, fully mixing eddy current upwards flows, and under the effect of agitator, current are upwards promoted further, in the process promoted, fully realize the Contact-sorption of resin and waste water, make the organism in waste water be enriched on the surface of resin; Waste water after promoting absorption overflows from the top of reducing fluid-bed and to enter in the region between reducing fluid-bed and guide shell and to flow downward, in the process flowed downward, resin is deposited on the cone place of main body cover bottom downwards, clear water is derived through being arranged on after inclined tube separator outside flow deflector is separated by the fluid after resin deposition, thus achieves and utilize powdered resin or magnetic powder resin to the advanced treatment of Water purification, waste water, biochemical tail water and middle water.
In above-mentioned reactor, reducing fluid-bed comprises the reducer and superposed expanding reach that are positioned at bottom, it is inner and be positioned at the position of reducer and expanding reach transition that screw blade is arranged on described reducing fluid-bed, thus utilize the fast rotational of screw blade realize to waste water in the reducer of bottom and resin mixture liquor be uniformly mixed and the eddy current of top expanding reach internal mix liquid rises; But utilize screw blade will realize rising to the abundant stirring of waste water and resin mixture liquor and eddy current in the reducing fluid-bed of large volume, energy consumption is very large, thus causes cost for wastewater treatment significantly to increase.
In addition, operationally, the waste water after absorption overflowed from reducing fluid-bed top and resin together flow downward above-mentioned reactor, at the cone place of the main body cover bottom of reactor, and resin settled, water body and resin isolation; Because the cone of main body cover bottom tilts towards cone bottom, so when after water body and resin isolation, water body has trend towards cone bottom impact flow due to the vergence direction of above-mentioned cone, thus cause the impact of resin deposition is fluctuated, have impact on the quality of the water body after settlement separate.
Summary of the invention
A kind of circulation type adsorption tank and adsorption method thereof of novel texture are the object of this invention is to provide, first technical problem to be solved rises to the eddy current of mixed solution after the abundant mixing of waste water and sorbent material and mixing to realize in waste water treatment reactor of the prior art, need to arrange agitator, thus make to process the problem that energy consumption increases, and then provide a kind of low and can effectively realize waste water and sorbent material fully mixes, eddy current rises circulation type adsorption tank and adsorption method thereof without the need to arranging agitator, energy consumption.
Second technical problem to be solved is that waste water in waste water treatment reactor of the prior art after adsorption treatment is when flowing downward, cone vergence direction the impact easily causing current to the resin after sedimentation is set, affect the problem of the Water quality after being separated, and then a kind of circulation type adsorption tank and the adsorption method thereof with stable Water quality are provided.
The object of the present invention is achieved like this: a kind of circulation type adsorption tank, circulation type adsorption tank is a closed adsorption tank, adsorption tank top is reaction chamber, adsorption tank bottom is back taper settling pocket extended downwards, guide shell is fixed on adsorption tank top, the reaction chamber on adsorption tank top is isolated into room, two regions, one is the separate chamber formed between guide shell outer wall and adsorption tank first half inwall, another is the overflow chamber that guide shell inner wall space is formed, the top at adsorption tank opened by rising pipe, shore pipe leaves in adsorption tank bottom, fluidized reactor is had in adsorption tank, velocity in pipes reaches the trunnion section upper end of 1.0-1.5 meter per second and lower end, raising section connects and composes fluidized reactor, water inlet pipe water outlet is placed in fluidized reactor lower end, fluidized reactor top is placed in guide shell, exit, raising section cross-sectional area and described trunnion section cross-sectional area are than being 25:4 ~ 9:1,
Wherein, the trunnion section lower end that velocity in pipes reaches 1.0-1.5 meter per second is connected with mixing section, and communicate with settling pocket bottom mixing section, water inlet pipe water outlet is placed in mixing section;
The aspect ratio of raising section and trunnion section is 3:1 ~ 4:1;
The inwall of trunnion section is provided with spiral groove;
Fluidized reactor outer wall circumference is connected with the baffle means tilted towards back taper settling pocket pool wall, has the gap being suitable for sorbent material sedimentation and falling between the bottom of baffle means and back taper settling pocket pool wall;
Baffle means is traverse baffle, and traverse baffle encloses cover and is fixedly mounted on the outer wall of described fluidized reactor trunnion section, and the angle between traverse baffle and horizontal plane is 30-80 degree;
Better angle is 55 ~ 65 degree;
Optimum angle is 60 degree;
Guide shell is connected with adsorption tank top by umbrella hood, and umbrella hood top is fixedly connected with adsorption tank, and umbrella hood lower end is fixedly connected with guide shell;
The angle α of umbrella hood and horizontal plane is 145-155 degree;
The reaction chamber on adsorption tank top is cylindrical structural, and raising section is the from top to bottom inversed taper platform shape structure that reduces gradually of internal diameter;
The internal diameter of guide shell is 1:2-2:3 with the ratio of described reaction chamber internal diameter;
Raising section maximum internal diameter is 1:4-1:3 with the ratio of described reaction chamber internal diameter;
The ratio of raising section maximum internal diameter and raising section minimum place internal diameter is 5:2-3:1;
One end that water inlet pipe stretches into mixing section is provided with nozzle.
An adsorption method for circulation type adsorption tank,
The first step: sorbent material and waste water mixing;
Second step: after mixing sorbent material and waste water send into fluidized reactor with the flow velocity of 1.0-1.5m/s by water inlet pipe (1), thing should be removed under pressure and speed by adsorbent in waste water, overflow from fluidized reactor with the flow velocity of 0.1-0.15m/s;
3rd step: under the effect of guide shell, the water of spilling, under the restriction of guide shell inwall, flows downward along fluidized reactor external wall of upper portion, should remove thing and be adsorbed further by sorbent material in overflow chamber in water;
4th step: under natural gravity effect, water is separated with sorbent material only, water purification flows out with the rising pipe of the lift velocity of 0.5-1.0mm/s from top, separate chamber;
Sorbent material is deposited to settling pocket; Wherein, adsorb saturated sorbent material to be discharged by shore pipe with dirt bottom settling pocket; The sorbent material that can also adsorb again is inhaled into fluidized reactor again, carries out circulation absorption again.
Wherein: in a first step, sorbent material and waste water mix in water inlet pipe;
The mixed sorbent material of the first step and waste water can be pressurized;
In second step, mixed waste water and sorbent material are sprayed in described mixing section through nozzle by water inlet pipe, then enter fluidized reactor through mixing section;
In second step, mixed water, sends into fluidized reactor with the flow velocity of 1.0-1.5m/s, under the spiral stream guidance effect of described trunnion section internal screw groove, rises, overflowed by fluidized reactor with eddy current mixed form;
In third and fourth step, adsorb saturated sorbent material and fall to baffle means place in overflow chamber, baffle means (7) carries out sedimentation, and the sorbent material after sedimentation drops to the bottom of described settling pocket along baffle means sluggish flow under the guide functions of waste water through the gap between baffle means bottom and back taper settling pocket pool wall;
In the 4th step, the current upflow velocity of separate chamber is 0.5-1.0mm/s;
In the first step to the 5th step, water total residence time is from inlet water to outlet water 2.0-3.0 hour.
The advantage of technical scheme of the present invention is as follows:
1) because circulation type adsorption tank of the present invention have employed new texture, circulation type adsorption tank is by arranging trunnion section, utilize the diameter that trunnion section is less, thus make can obtain larger pressure and kinetic energy through mixed sorbent material and waste water when entering in trunnion section, and then be converted into very fast flow rate of water flow, ensure that sorbent material fully can contact with waste water in trunnion section on the one hand, mixing, promote, also ensure that on the other hand and discharge into behind described raising section through the mixed sorbent material of trunnion and waste water by the pressure change from little space to large space, its kinetic energy overstock in trunnion section can excited instantaneously through trunnion section, significant eddy current is formed in raising section, further realization is fully uniformly mixed raising section internal adsorption agent and waste water, contact, absorption, eliminate the helical stir that must use in prior art, thus greatly reduce energy consumption.
2) because exit, circulation type adsorption tank raising section of the present invention cross-sectional area and described trunnion section cross-sectional area are than being 25:4 ~ 9:1, this proportional range to ensure that in described trunnion the sorbent material of mixing and eddy current rising and waste water are after leaving described trunnion and entering described raising section, can rise with suitable flow velocity eddy current in riser tube, fully the mixing of sorbent material and waste water, reaction can either be realized, the kinetic energy of the current that eddy current rises from described trunnion can also be made full use of; In the trunnion section limited in addition, flow rate of water flow is 1.0-1.5m/s, further ensures the waste water kinetic energy that eddy current rises in trunnion and plays.
3) because the inwall of circulation type adsorption tank trunnion section of the present invention can arrange spiral groove, the setting of spiral groove can make waste water and sorbent material rise around trunnion inwall in a spiral manner when flowing through described trunnion section, it is more abundant that the turbulent fluctuation that not only make use of current makes the two be mixed to get, improve the utilization ratio of sorbent material, more enhance the kinetic energy that sorbent material and waste water are overstock by trunnion section.
4) due to circulation type adsorption tank of the present invention, water inlet pipe outlet adds nozzle, and convenient adjustment waste water enters speed and the pressure of fluidized reactor, ensures the time that waste water exchanges with sorbent material in circulation type adsorption tank; Meanwhile, the charging valve that water inlet pipe installs additional, facilitate fully mixing in advance of waste water and sorbent material, extend the swap time of waste water and sorbent material, improve the utilization ratio of adsorbent, adsorption rate is high, and structure design is simple, conveniently realizes.
5) due to circulation type adsorption tank of the present invention, also be provided with mixing section, the setting of mixing section not only increases the utilization ratio of adsorbent, further prolongation adsorption time, reduce energy consumption, also achieve circulation absorption, solve and continuous adsorption, problem that sorbent material utilization ratio is low after prior art sorbent material is separated with water, can not to be realized.
6) due to circulation type adsorption tank of the present invention, can also baffle means be set, sorbent material and drop down onto described baffle means place under water, described baffle means carries out sedimentation, sorbent material after sedimentation drops to the bottom of settling pocket along baffle means sluggish flow under the guide functions of water through the gap between baffle means bottom and back taper settling pocket pool wall, can not impact the sorbent material being deposited to settling pocket bottom at current in such cases, thus the Water quality that can not affect after being separated, the Water quality of water outlet is more stable, and baffle means structure is simple, convenient realization, effective, solve prior art current to impact the resin after sedimentation, and then the Water quality problem of impact after being separated.
7) due to circulation type adsorption tank of the present invention, overflow device has installed umbrella hood additional, from fluidized reactor raising section, water is out guided by umbrella hood, umbrella hood forms buffering and water conservancy diversion to current, current trend is milder, under the restriction of guide shell, flow downward along overflow chamber, be conducive to the exchange of waste water and sorbent material, extend adsorption time, improve the utilization ratio of adsorbent, adsorption rate is high, and umbrella hood structure is simple, convenient realization, effective, be conducive to being separated of water and sorbent material after exchanging; Mild current protect Water quality, are more conducive to separation and the sedimentation of sorbent material, solve the deficiency that prior art overflow device does not have umbrella hood.
8) due to circulation type adsorption tank of the present invention, have employed various preferred structure size, what ensure that technical solution of the present invention realizes effect, solves the deficiency of prior art scheme.
9) adsorption method of the present invention, comprise and mixed sorbent material and waste water are sent into the high-speed mixing that trunnion section carries out eddy current rising, and then enter raising section and carry out absorption reaction, reacted sorbent material and waste water enter overflow chamber from raising section water outlet and flow downward and proceed to adsorb in overflow chamber again; Water purification after being separated with sorbent material is discharged through separate chamber, the sedimentation of sorbent material whereabouts, and the sorbent material that can carry out again adsorbing after sedimentation is back in fluidized reactor, mixes with the sorbent material sent into from water inlet pipe and waste water, enters anotherly to take turns fractionation by adsorption sedimentation.The method of the invention is mixed with waste water sorbent material with raising section by the trunnion section arranged, promote, is fully contacted, make when not needing to realize when using mechanical stirring device fully the contacting of sorbent material and waste water, mixing, eddy current rise, greatly reduce the energy consumption of wastewater treatment;
In addition, because sorbent material and the mixing of undressed waste water complete entering in water inlet pipe, add the duration of contact of described sorbent material and waste water, further increase the effluent characteristics of water purification, circulating simultaneously by sorbent material, improves sorbent material utilization ratio.
Accompanying drawing explanation
Fig. 1 is the structural representation of the circulation type adsorption tank in embodiment 8 of the present invention.
Fig. 2 is the structural representation of the circulation type adsorption tank in embodiment 4 of the present invention.
Fig. 3 is the structural representation of the circulation type adsorption tank in embodiment 1 of the present invention.
Fig. 4 is the structural representation of the circulation type adsorption tank in embodiment 2 of the present invention.
Fig. 5 is the structural representation of the circulation type adsorption tank in embodiment 3 of the present invention.
Wherein, Reference numeral is: 1-water inlet pipe, 2-rising pipe, 3-shore pipe, 4-raising section, 5-trunnion section, 6-mixing section, 7-baffle means, 8-guide shell, 9-umbrella hood, 10-nozzle, 11-overflow chamber, 12-separate chamber, 13-overflow weir, 14-adsorption tank, 15-settling pocket.
More being convenient to make content of the present invention understand, below in conjunction with drawings and Examples, technical solutions according to the invention being further elaborated.
Embodiment
Embodiment 1
A kind of circulation type adsorption tank and adsorption method thereof, as shown in Figure 3, circulation type adsorption tank comprises closed adsorption tank 14, guide shell 8, water inlet pipe 1, rising pipe 2 and a shore pipe 3;
Adsorption tank 14 is divided into two portions, superposed reaction chamber and be positioned at the extended back taper settling pocket in bottom downwards, and reaction chamber is cylindrical in the present embodiment;
In adsorption tank 14, be provided with fluidized reactor, fluidized reactor comprises the raising section 4 and trunnion section 5 that from top to bottom connect setting.
Raising section 4 is back taper, and from top to bottom internal diameter progressively reduces;
The ratio of raising section 4 maximum internal diameter and raising section 4 minimum place internal diameter is 5:2 ~ 3:1, can be specifically: other numerical value between 5:2 or 5:1 or 4:2 or 4:1 or 3:2 or 3:1 or 5:2 ~ 3:1; That is: as selectable embodiment, the ratio of raising section 4 maximum internal diameter and raising section 4 minimum place internal diameter can select the arbitrary numerical value within the scope of 5:2-3:1;
Trunnion section 5 is the cylindrical tube of hollow;
Exit, raising section 4 cross-sectional area and trunnion section 5 cross-sectional area, than being 25:4 ~ 9:1, can be specifically 25:4, or 9:1, or 24:4, or 23:4, or 22:4, or 21:4, or 20:4, or 19:4, or 18:4, or 17:4, or 16:4, or 15:4, or 14:4, or 13:4, or 12:4, or 11:4, or 10:4, or 9:4, or 24:3, or 23:3, or 22:3, or 21:3, or 20:3, or 19:3, or 18:3, or 17:3, or 16:3, or 15:3, or 14:3, or 13:3, or 12:3, or 11:3, or 10:3, or 9:3, or 24:2, or 23:2, or 22:2, or 21:2, or 20:2, or 19:2, or 18:2, or 17:2, or 16:2, or 15:2, or 14:2, or 13:2, or 12:2, or 11:2, or 10:2, or 9:2, or 24:1, or 23:1, or 22:1, or 21:1, or 20:1, or 19:1, or 18:1, or 17:1, or 16:1, or 15:1, or 14:1, or 13:1, or 12:1, or 11:1, or 10:1, or other numerical value between 25:4 ~ 9:1, that is, as selectable embodiment, raising section 4 exit cross-sectional area and trunnion section 5 cross-sectional area are than the arbitrary numerical value can selected within the scope of 25:4-9:1,
The aspect ratio of raising section 4 and trunnion section 5 is 3:1 ~ 4:1, can be specifically other numerical value between 3:1 or 3.5:1 or 4:1 or 3:1 ~ 4:1; That is, as selectable embodiment, the aspect ratio of raising section 4 and trunnion section 5 can be chosen as the arbitrary numerical value within the scope of 3:1-4:1;
By arranging trunnion section 5, utilize the diameter that trunnion section 5 is less, thus make can obtain larger pressure through mixed sorbent material and waste water when entering in trunnion section 5, ensure that sorbent material can mix fully with waste water, promotes, contact in trunnion section 5 with raising section 4, eliminate the helical stir that must use in prior art, thus greatly reduce energy consumption;
In addition, the inwall of trunnion section 5 can also be provided with spiral groove, the setting of spiral groove can make waste water and sorbent material rise around described trunnion inwall in a spiral manner when flowing through described trunnion section 5, thus extend sorbent material and the duration of contact of waste water in described trunnion, utilize the turbulent fluctuation of current to make the two be mixed to get more abundant, improve sorbent material utilization ratio.
Described raising section 4 maximum internal diameter is 1:4 ~ 1:3 with the ratio of described reaction chamber internal diameter, can be specifically other numerical value between 1:4 or 1:3.5 or 1:3 or 1:4 ~ 1:3; That is, as selectable embodiment, raising section 4 maximum internal diameter can select the arbitrary numerical value within the scope of 1:4-1:3 with the ratio of reaction chamber internal diameter.
The fluidized reactor top that conventional fixed form is fixed in circulation type adsorption tank is provided with guide shell 8, and guide shell 8 upper end is fixed on adsorption tank 14 top;
The internal diameter of guide shell 8 and the ratio of reaction chamber internal diameter are 1:2 ~ 2:3, can be specifically: other numerical value between 1:2 or 1:3 or 2:2 or 2:3 or 1:2 ~ 2:3; That is, as selectable embodiment, the internal diameter of guide shell 8 and the ratio of reaction chamber internal diameter can select the arbitrary numerical value within the scope of 1:2 ~ 2:3;
Height and adsorption tank 14 aspect ratio of guide shell 8 are 1:3 ~ 2:5, can be specifically: other numerical value between 1:3 or 1:4 or 1:5 or 2:3 or 2:4 or 2:5 or 1:3 ~ 2:5; That is, as selectable embodiment, the height of guide shell 8 and adsorption tank 14 highly can select the arbitrary numerical value within the scope of 1:3 ~ 2:5.
Reaction chamber is divided into the separate chamber 12 being positioned at described guide shell 8 outside by guide shell 8, and is positioned at the overflow chamber 11 that described guide shell 8 is inner, fluidized reactor is outside.
Water inlet pipe 1 enters from adsorption tank 14 bottom, water inlet pipe 1 water outlet end can be provided with nozzle 10, water inlet pipe feed-water end position can be provided with a charging valve, sorbent material can be added in water inlet pipe 1 by charging valve to mix with waste water, and mixed waste water is pressed in fluidized reactor by nozzle 10; Rising pipe 2 is opened on the sidewall of adsorption tank 14 top separate chamber 12, and clear water flows out adsorption tank 14 by overflow weir 13 through rising pipe 2; The bottom of settling pocket 15 described in adsorption tank 14 bottom left by shore pipe 3, and the sorbent material adsorbing waste water discharges adsorption tank 14 together with impurity sedimentation thing by shore pipe 3.
The adsorption method of above-mentioned circulation type adsorption tank is:
Sorbent material can add water inlet pipe 1 by charging valve and mix with waste water;
Mixed sorbent material and waste water can be pressurized, send in fluidized reactor by nozzle 10, in the trunnion section 5 of described fluidized reactor, eddy current mixing and rising are (if trunnion section 5 inwall has spiral groove, then water carries out eddy current mixing and rising under the spiral stream guidance effect of spiral groove), in trunnion section, flow velocity is 1.0-1.5 meter per second, can be specifically 1.0 meter per seconds or 1.25 meter per seconds or 1.5 meter per seconds, or other flow velocitys between 1.0-1.5 meter per second;
Then enter raising section 4 and carry out absorption reaction, reacted sorbent material and water flow out from raising section 4, raising section 4 outlet stream flow velocity is 0.1-0.15 meter per second, can be specifically 0.1 meter per second or 0.15 meter per second or 0.125 meter per second, or other flow velocitys between 0.1-0.15 meter per second;
Under the guiding of overflow device guide shell 8, the water of spilling and sorbent material enter overflow chamber 11 and flow downward and proceed to adsorb in overflow chamber 11 again;
Under natural gravity, water purification is separated with sorbent material, and water purification enters separate chamber 12, water purification current upflow velocity is 0.5-1.0mm/s, can be specifically 0.5mm/s or 1mm/s or 0.75mm/s, or other flow velocitys between 0.5-1.0mm/s, water purification is collected by overflow weir 13, is discharged by rising pipe 2; Sorbent material falls to being deposited to the bottom of settling pocket 15, wherein, the sorbent material that can adsorb again under syphonic effect power, again sucked in fluidized reactor with from entering sorbent material that pipe 1 sends here and waste water mixes, again send into trunnion section 5, realize the backflow recycling of sorbent material; The sorbent material that can not adsorb again is discharged by shore pipe 3 with the dirt bottom settling pocket 15;
Water is 2.0-3.0 hour from water inlet pipe 1 to rising pipe 2 in adsorption tank total residence time, can be specifically the other times of 2 hours or 2.5 hours or 3 hours or 2.0-3.0 little time.
Embodiment 2
A kind of circulation type adsorption tank and adsorption method thereof, as shown in Figure 4, what they were different from embodiment 1 structure is only be connected to mixing section 6 in the lower end of fluidized reactor trunnion section 5, mixing section 6 top is umbrella-shaped structure, mixing section 6 bottom is cylindrical structural, the umbrella-shaped structure of mixing section 6 is closed with the cylindrical structural of bottom and is connected, and mixing section 6 umbrella-shaped structure top drilling seals with trunnion section 5 and docks, and mixing section 6 bottom communicates with settling pocket 15;
Water inlet pipe 1 enters from adsorption tank 14 bottom, and the nozzle 10 of water inlet pipe 1 water outlet end extend within described mixing section 6; Other structures are identical with embodiment 1.
When above-mentioned circulation type adsorption tank adsorbs, as different from Example 1: input after sorbent material and waste water mixing through water inlet pipe 1, and spray in described mixing section 6 through nozzle 10, then enter described trunnion section 5 through mixing section 6;
In addition, the sorbent material flowed out from raising section 4 falls along overflow chamber 11, and be deposited to bottom the settling pocket 15 under described mixing section 6, the sorbent material that can also carry out adsorbing is together with water, under syphonic effect, again sucked mixing section 6 sent into trunnion section 5, carried out the absorption again to waste water; Other processes are identical with embodiment 1.
Embodiment 3
A kind of circulation type adsorption tank and adsorption method thereof, as shown in Figure 5, they are different from embodiment 1 structure only:
The baffle means 7 tilted towards back taper settling pocket 15 pool wall is fixedly connected along described fluidized reactor bottom outer wall circumference, baffle means 7 can be traverse baffle (or deflector cup), has the gap being suitable for sorbent material sedimentation and falling between the bottom of described traverse baffle (cover) and described back taper settling pocket 15 pool wall; Traverse baffle can be fixedly connected with along fluidized reactor outer wall by two pieces or three pieces or polylith fanning strip, does not have gap, form a umbrella-shaped structure between plate and plate;
Angle between traverse baffle and horizontal plane is 30-80 degree, better angle between traverse baffle and horizontal plane is 55 ~ 65 degree, optimum angle between traverse baffle and horizontal plane is 60 degree, can be specifically 30 degree, 35 degree, 40 degree, 45 degree, 50 degree, 55 degree, 60 degree, 65 degree, 70 degree, 75 degree, 80 degree, or other angles between 30 ~ 80 degree; That is, can alternative scheme as enforcement, the angle between described baffle means and horizontal plane can select the arbitrary numerical value in 30-80 degree.
Described baffle means 7 can make the sorbent material that gets off from overflow chamber 11 and drop down onto described baffle means 7 under water, described baffle means 7 carries out sedimentation, sorbent material after sedimentation drops to the bottom of described settling pocket 15 along described baffle means 7 sluggish flow under the guide functions of water through the distance between described baffle means 7 bottom and described back taper settling pocket pool wall, can not impact the sorbent material being deposited to settling pocket 15 bottom at current in such cases, the Water quality after being separated can not be affected, make the Water quality of water outlet more stable.
Other structures are identical with embodiment 1.
When above-mentioned circulation type adsorption tank adsorbs, as different from Example 1: the sorbent material fallen from overflow chamber 11 is deposited in traverse baffle, the sorbent material after sedimentation drops to the bottom of described sedimentation 15 Room along described traverse baffle sluggish flow under the guide functions of water through the gap between described traverse baffle bottom and described back taper settling pocket pool wall.
Other are identical with embodiment 1.
Embodiment 4
A kind of circulation type adsorption tank and adsorption method thereof, as shown in Figure 2, they are different from embodiment 2 structure only:
The baffle means 7 tilted towards back taper settling pocket 15 pool wall is fixedly connected along described fluidized reactor bottom outer wall circumference, baffle means 7 can be traverse baffle (or deflector cup), has the gap being suitable for sorbent material sedimentation and falling between the bottom of described traverse baffle (cover) and described back taper settling pocket 15 pool wall; Traverse baffle can be fixedly connected with along fluidized reactor outer wall by two pieces or three pieces or polylith fanning strip, guarantees do not have gap between plate and plate, forms a umbrella-shaped structure;
Angle between traverse baffle and horizontal plane is 30-80 degree, better angle between traverse baffle and horizontal plane is 55 ~ 65 degree, optimum angle between traverse baffle and horizontal plane is 60 degree, can be specifically 30 degree, 35 degree, 40 degree, 45 degree, 50 degree, 55 degree, 60 degree, 65 degree, 70 degree, 75 degree, 80 degree, or other angles between 30 ~ 80 degree; That is, the angle between described baffle means and horizontal plane can select the arbitrary numerical value in 30-80 degree;
Other structures are identical with embodiment 2.
When above-mentioned circulation type adsorption tank adsorbs, substantially the same manner as Example 2, different only: the sorbent material fallen from overflow chamber 11 is deposited in traverse baffle, and the sorbent material after sedimentation drops to the bottom of described sedimentation 15 Room along described traverse baffle sluggish flow under the guide functions of water through the gap between described traverse baffle bottom and described back taper settling pocket pool wall.
Embodiment 5
A kind of circulation type adsorption tank and adsorption method thereof, it is substantially identical with embodiment 1 structure, different only:
Overflow device is made up of guide shell 8 and umbrella hood 9, namely on guide shell 8 top, centered by fluidized reactor axis, umbrella hood 9 is provided with above fluidized reactor, plane fixed seal connection on umbrella hood 9 top and adsorption tank 14, the bottom of umbrella hood 9 and the inwall fixed seal connection of guide shell 8 upper end, the angle of described umbrella hood 9 and horizontal plane is between 130-160 degree, can be 135 degree or 140 degree or 145 degree or 150 degree or 155 degree or 160 degree, or other the arbitrary numerical value within the scope of 130 ~ 160 degree.
When using above-mentioned circulation type adsorption tank to adsorb, substantially the same manner as Example 1, different just: from raising section 4, water out and sorbent material are through described umbrella hood 9 water conservancy diversion, and the stop of guide shell 8, the mild flowing downwards from overflow chamber 11.
Embodiment 6
A kind of circulation type adsorption tank and adsorption method thereof, it is substantially identical with embodiment 2 structure, and different is:
Overflow device is made up of guide shell 8 and umbrella hood 9, namely on guide shell 8 top, centered by fluidized reactor axis, umbrella hood 9 is provided with above fluidized reactor, plane fixed seal connection on umbrella hood 9 top and adsorption tank 14, the bottom of umbrella hood 9 and the inwall fixed seal connection of guide shell 8 upper end, the angle of described umbrella hood 9 and horizontal plane is between 130-160 degree, can be 135 degree or 140 degree or 145 degree or 150 degree or 155 degree or 160 degree, or other the arbitrary numerical value within the scope of 130 ~ 160 degree.
When using above-mentioned circulation type adsorption tank to adsorb, substantially the same manner as Example 2, different just: from raising section 4, water out and sorbent material are through described umbrella hood 9 water conservancy diversion, and the stop of guide shell 8, the mild flowing downwards from overflow chamber 11.
Embodiment 7
A kind of circulation type adsorption tank and adsorption method thereof, it is substantially identical with embodiment 3 structure, and different is:
Overflow device is made up of guide shell 8 and umbrella hood 9, namely on guide shell 8 top, centered by fluidized reactor axis, umbrella hood 9 is provided with above fluidized reactor, plane fixed seal connection on umbrella hood 9 top and adsorption tank 14, the bottom of umbrella hood 9 and the inwall fixed seal connection of guide shell 8 upper end, the angle of described umbrella hood 9 and horizontal plane is between 130-160 degree, can be 135 degree or 140 degree or 145 degree or 150 degree or 155 degree or 160 degree, or other the arbitrary numerical value within the scope of 130 ~ 160 degree.
When using above-mentioned circulation type adsorption tank to adsorb, substantially the same manner as Example 3, different just: from raising section 4, water out and sorbent material are through described umbrella hood 9 water conservancy diversion, and the stop of guide shell 8, the mild flowing downwards from overflow chamber 11.
Embodiment 8
A kind of circulation type adsorption tank and adsorption method thereof, as shown in Figure 1, it is substantially identical with embodiment 4 structure, and different is:
Overflow device is made up of guide shell 8 and umbrella hood 9, namely on guide shell 8 top, centered by fluidized reactor axis, umbrella hood 9 is provided with above fluidized reactor, plane fixed seal connection on umbrella hood 9 top and adsorption tank 14, the bottom of umbrella hood 9 and the inwall fixed seal connection of guide shell 8 upper end, the angle of described umbrella hood 9 and horizontal plane is between 130-160 degree, can be 135 degree or 140 degree or 145 degree or 150 degree or 155 degree or 160 degree, or other the arbitrary numerical value within the scope of 130 ~ 160 degree.
When using above-mentioned circulation type adsorption tank to adsorb, substantially the same manner as Example 4, different just: from raising section 4, water out and sorbent material are through described umbrella hood 9 water conservancy diversion, and the stop of guide shell 8, the mild flowing downwards from overflow chamber 11.
Namely adsorption method can be:
Sorbent material adds water inlet pipe 1 by charging valve and mixes with waste water;
Mixed sorbent material and waste water can be pressurized, send into mixing section 6 by nozzle 10;
Mixing section 6 diameter is large, trunnion section 5 diameter is little, pending water with pressure sucks throat section 5 by mixing section 6, eddy current rising high-speed mixing, (if trunnion section 5 inwall has spiral groove, then water carries out eddy current mixing and rising under the spiral stream guidance effect of spiral groove), in trunnion section 5, flow rate of water flow is 1.0-1.5m/s, as 1.0 meter per seconds or 1.25 meter per seconds or 1.5 meter per seconds, or other flow velocitys between 1.0-1.5 meter per second;
Then enter raising section 4 and carry out absorption reaction, raising section 4 outlet stream flow velocity is 0.1-0.15m/s, as 0.1 meter per second or 0.15 meter per second or 0.125 meter per second, or other flow velocitys between 0.1-0.15 meter per second;
Reacted sorbent material and waste water go out from raising section 4, through described umbrella hood 9 water conservancy diversion, and the stop of guide shell 8, flow gently downwards from overflow chamber 11, proceed to exchange again in overflow chamber 11 internal adsorption agent and waste water;
Under natural gravity, water purification is separated with sorbent material, and water purification enters separate chamber 12, water purification current upflow velocity is 0.5-1.0mm/s, can be specifically 0.5mm/s or 1mm/s or 0.75mm/s, or other flow velocitys between 0.5-1.0mm/s, water purification is collected by overflow weir 13, is discharged by rising pipe 2;
Sorbent material is deposited in traverse baffle place, and the sorbent material after sedimentation drops to the bottom of described sedimentation 15 Room along described traverse baffle sluggish flow under the guide functions of water through the gap between described traverse baffle bottom and described back taper settling pocket pool wall;
Wherein, the sorbent material that can adsorb again under syphonic effect power, again sucked in mixing section 6 with from entering sorbent material that pipe 1 sends here and waste water mixes, again send into trunnion section 5, the backflow realizing sorbent material recycles; The sorbent material that can not adsorb again is discharged by shore pipe 3 with the dirt bottom settling pocket 15;
Water is 2.0-3.0 hour from water inlet pipe 1 to rising pipe 2 in adsorption tank total residence time, can be specifically the other times of 2 hours or 2.5 hours or 3 hours or 2.0-3.0 little time.
In the above-described embodiments, as preferred embodiment, the mixing of sorbent material and undressed waste water completed before entering water inlet pipe 1, can extend the duration of contact of sorbent material and waste water like this, thus improved the effluent characteristics of water purification;
As selectable embodiment, untreated waste water also can input through water inlet pipe 1, enters trunnion section 5 after mixing with the sorbent material be settled down to bottom described adsorption tank in described mixing section 6.
It should be noted that, circulation type adsorption tank in above-described embodiment realizes a kind of adsorption method of circulation type adsorption tank by the raising section 4 that limits and the proportionlity of trunnion section 5 cross section, if the cross-sectional area of raising section 5 is gradual change, the cross-sectional area of so described raising section 5 refers to the cross-sectional area of raising section water outlet, but, raising section 4 and the restriction of the proportionlity of trunnion section 5 cross section are just realized to a kind of technique means of described adsorption method, also can be realized by the proportionlity between other structures in stop collar streaming adsorption tank, as long as can reach flow rate of water flow in trunnion is 1.0-1.5m/s, raising section 4 outlet stream flow velocity is 0.1-0.15m/s, the current upflow velocity of described separate chamber 12 is 0.5-1.0mm/s, waterpower total residence time is from inlet water to outlet water the processing condition of 2.0-3.0h, within the protection domain all dropping on the adsorption method of circulation type adsorption tank of the present invention.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (8)
1. a circulation type adsorption tank, it is characterized in that: circulation type adsorption tank is a closed adsorption tank (14), adsorption tank (14) top is reaction chamber, adsorption tank (14) bottom is back taper settling pocket (15) extended downwards, guide shell (8) is fixed on adsorption tank (14) top, the reaction chamber on adsorption tank (14) top is isolated into room, two regions, one is the separate chamber (12) formed between guide shell (8) outer wall and adsorption tank (14) first half inwall, another is the overflow chamber (11) that guide shell (8) inner wall space is formed, the top in adsorption tank (14) opened by rising pipe (2), shore pipe (3) leaves in adsorption tank (14) bottom, adsorption tank has fluidized reactor in (14), velocity in pipes reaches trunnion section (5) upper end of 1.0-1.5 meter per second and raising section (4) lower end connects and composes fluidized reactor, water inlet pipe (1) water outlet is placed in fluidized reactor lower end, fluidized reactor top is placed in guide shell (8), raising section (4) exit cross-sectional area and described trunnion section (5) cross-sectional area are than being 25:4 ~ 9:1.
Trunnion section (5) lower end that velocity in pipes reaches 1.0-1.5 meter per second is connected with mixing section (6), mixing section (6) bottom communicates with settling pocket (15), and water inlet pipe (1) water outlet is placed in mixing section (6).
The aspect ratio of described raising section (4) and described trunnion section (5) is 3:1 ~ 4:1.
The inwall of described trunnion section (5) is provided with spiral groove.
Be connected with the baffle means (7) tilted towards back taper settling pocket (15) pool wall along described fluidized reactor outer wall circumference, between the bottom of described baffle means (7) and described back taper settling pocket (15) pool wall, there is the gap being suitable for sorbent material sedimentation and falling.
Described baffle means (7) is traverse baffle, and described traverse baffle encloses cover and is fixedly mounted on the outer wall of described fluidized reactor trunnion section (5), and the angle between traverse baffle and horizontal plane is 30-80 degree.
Better angle between traverse baffle and horizontal plane is 55 ~ 65 degree.
Optimum angle between traverse baffle and horizontal plane is 60 degree.
Guide shell (8) is connected with adsorption tank (14) top by umbrella hood (9), umbrella hood (9) top is fixedly connected with adsorption tank (14), and umbrella hood (9) lower end is fixedly connected with guide shell (8).
Umbrella hood (9) is 145-155 degree with the angle α of horizontal plane.
2. a kind of circulation type adsorption tank as claimed in claim 1, is characterized in that: the reaction chamber on described adsorption tank (14) top is cylindrical structural, and described raising section (4) are the from top to bottom inversed taper platform shape structure that reduces gradually of internal diameter.
3. a kind of circulation type adsorption tank as claimed in claim 2, is characterized in that: the internal diameter of described guide shell (8) is 1:2-2:3 with the ratio of described reaction chamber internal diameter.
Described raising section (4) maximum internal diameter is 1:4-1:3 with the ratio of described reaction chamber internal diameter.
4. a kind of circulation type adsorption tank as described in claim 1 or 2 or 3, is characterized in that: the ratio of described raising section (4) maximum internal diameter and described raising section (4) minimum place internal diameter is 5:2-3:1.
5. a kind of circulation type adsorption tank as claimed in claim 1 or 2 or 3 or 4, is characterized in that: the one end stretching into described mixing section (6) at described water inlet pipe (1) is provided with nozzle (10).
6. the adsorption method of above-mentioned a kind of circulation type adsorption tank, is characterized in that:
The first step: sorbent material and waste water mixing;
Second step: after mixing sorbent material and waste water send into fluidized reactor with the flow velocity of 1.0-1.5m/s by water inlet pipe (1), thing should be removed under pressure and speed by adsorbent in waste water, overflow from fluidized reactor with the flow velocity of 0.1-0.15m/s;
3rd step: under the effect of guide shell (8), the water overflowed is under the restriction of guide shell (8) inwall, flow downward along fluidized reactor external wall of upper portion, thing should be removed in water and adsorbed further by sorbent material in overflow chamber (11);
4th step: under natural gravity effect, water is separated with sorbent material only, water purification flows out with the rising pipe (2) of the lift velocity of 0.5-1.0mm/s from separate chamber (12) top;
Sorbent material is deposited to settling pocket (15); Wherein, adsorb saturated sorbent material to be discharged by shore pipe (3) with settling pocket (15) bottom dirt; The sorbent material that can also adsorb again is inhaled into fluidized reactor again, carries out circulation absorption again.
7. the adsorption method of a kind of circulation type adsorption tank as claimed in claim 6, is characterized in that:
In a first step, sorbent material and waste water mix in water inlet pipe (1).
The mixed sorbent material of the first step and waste water pressurized.
In second step, mixed waste water and sorbent material are sprayed in described mixing section (6) through nozzle (10) by water inlet pipe (1), then enter fluidized reactor through mixing section (6).
In second step, mixed water, sends into fluidized reactor with the flow velocity of 1.0-1.5m/s, under the spiral stream guidance effect of described trunnion section (5) internal screw groove, rises, overflowed by fluidized reactor with eddy current mixed form.
In third and fourth step, adsorb saturated sorbent material and fall to baffle means (7) place in overflow chamber (11), described baffle means (7) carries out sedimentation, and the sorbent material after sedimentation drops to the bottom of described settling pocket (15) along described baffle means (7) sluggish flow under the guide functions of waste water through the gap between described baffle means (7) bottom and described back taper settling pocket (15) pool wall.
In the 4th step, the current upflow velocity of described separate chamber (12) is 0.5-1.0mm/s.
8. the adsorption method of a kind of circulation type adsorption tank as claimed in claims 6 or 7, it is characterized in that: in the first step to the 5th step, water total residence time is from inlet water to outlet water 2.0-3.0 hour.
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| CN106336040A (en) * | 2016-10-14 | 2017-01-18 | 华南理工大学 | Fenton fluidization wastewater treatment device and wastewater treatment method thereof |
| CN108083504A (en) * | 2017-12-28 | 2018-05-29 | 广西壮族自治区环境保护科学研究院 | Sanitary sewage settler |
| CN109437421A (en) * | 2018-11-21 | 2019-03-08 | 广西飞鹏环保科技有限公司 | Bell-jar baffling boiler filter for ash water |
| CN109437417A (en) * | 2018-09-18 | 2019-03-08 | 江苏澳洋生态园林股份有限公司 | Motor driven static state black and odorous water quick treatment device |
| CN110467247A (en) * | 2019-08-20 | 2019-11-19 | 佛山市中顺水处理科技有限公司 | Machine power Cyclonic reactor and reaction cell system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106336040A (en) * | 2016-10-14 | 2017-01-18 | 华南理工大学 | Fenton fluidization wastewater treatment device and wastewater treatment method thereof |
| CN108083504A (en) * | 2017-12-28 | 2018-05-29 | 广西壮族自治区环境保护科学研究院 | Sanitary sewage settler |
| CN109437417A (en) * | 2018-09-18 | 2019-03-08 | 江苏澳洋生态园林股份有限公司 | Motor driven static state black and odorous water quick treatment device |
| CN109437421A (en) * | 2018-11-21 | 2019-03-08 | 广西飞鹏环保科技有限公司 | Bell-jar baffling boiler filter for ash water |
| CN110467247A (en) * | 2019-08-20 | 2019-11-19 | 佛山市中顺水处理科技有限公司 | Machine power Cyclonic reactor and reaction cell system |
| CN111003746A (en) * | 2019-12-31 | 2020-04-14 | 内蒙古万众炜业科技环保股份公司 | Semi-coke wastewater treatment device and treatment method thereof |
| CN113149095A (en) * | 2021-03-26 | 2021-07-23 | 王丹芬 | Prevent sewage treatment plant at end of mud sinking |
| CN114314792A (en) * | 2021-11-25 | 2022-04-12 | 合肥供水集团有限公司 | Full-automatic dechlorinating device for high-chlorine-content wastewater treatment |
| CN114262036A (en) * | 2021-12-27 | 2022-04-01 | 南京环保产业创新中心有限公司 | Magnetic resin advanced treatment system and method |
| CN115636503A (en) * | 2022-12-26 | 2023-01-24 | 四川省生态环境科学研究院 | Sewage treatment method and device based on activated sludge process |
| CN115636503B (en) * | 2022-12-26 | 2023-02-28 | 四川省生态环境科学研究院 | Sewage treatment method and device based on activated sludge process |
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