CN106145553A - A kind of pharmacy wastewater treatment system and processing method - Google Patents

Abstract

The invention discloses a kind of pharmacy wastewater treatment system and processing method, it includes the hydrolysis acidification regulating reservoir being sequentially connected with, vertical three phase fluidized bed, intermediate pool, photocatalytic oxidation device, vertical three phase fluidized bed includes: reaction tube, is formed with reaction cavity in reaction tube；It is built in the guide shell of reaction cavity；Aeration mechanism, it includes Aeration fan, multiple aeration plate and aeration tube；And with being located in the discharge mechanism directly over guide shell；It carries out interior circulation biochemical treatment and Treatment by Photocatalysis Oxidation respectively by vertical three phase fluidized bed and photocatalytic oxidation device.One aspect of the present invention arranges the guide shell matched in vertical three phase fluidized bed and aeration mechanism make guide shell in formed and outside aerobic zone, guide shell, form anaerobic zone and aerobic area, make floating stuffing at guide shell inner-outer circulation, and then circulation carries out nitrification, denitrification alternation response, and carrying out cooperation process by photochemical catalytic oxidation, it is conducive to improving sewage treating efficiency.

Description

A kind of pharmacy wastewater treatment system and processing method

Technical field

The present invention relates to pharmacy wastewater treatment technology, especially relate to a kind of pharmacy wastewater treatment system and processing method.

Background technology

Load in mixture cleaning waste water, production equipment flushing water and the Factory Building produced during preparation class pharmacy waste water derives from wash bottle Ground flushing water, its main contamination index is pH value, BOD5, COD, SS, TOC content, acute toxicity etc., and its waste water quality is simpler Single, belong to middle low content organic wastewater.Process, such as currently for loading in mixture preparation class pharmacy waste water many employings bioanalysis Biological contact oxidation process, hydrolysis acidification are combined the modes such as process with SBR technique junction logos, air supporting with filtration physico-chemical process.On Although the mode of stating can process by a certain degree of pollutant to loading in mixture in preparation class pharmacy waste water, but said method is equal There is the defects such as energy consumption is big, processing cost is high, long processing period.

Summary of the invention

It is an object of the invention to overcome above-mentioned technical deficiency, propose a kind of pharmacy wastewater treatment system and processing method, Solve prior art loads in mixture that preparation class pharmacy wastewater treatment energy consumption is big, cost is high, the technical problem of cycle length.

For reaching above-mentioned technical purpose, technical scheme provides a kind of pharmacy wastewater treatment system, including successively The hydrolysis acidification regulating reservoir connected, vertical three phase fluidized bed, intermediate pool, photocatalytic oxidation device, described vertical three-phase fluidization Bed includes:

The reaction tube being vertically arranged, is formed with reaction cavity in described reaction tube；

Coaxially it is built in the guide shell of reaction cavity；

Aeration mechanism, it includes Aeration fan, is located at the multiple aeration plates immediately below described guide shell and connects described exposure Gas blower fan and the aeration tube of described aeration plate；And

With being located in the discharge mechanism directly over described guide shell, the water side of described discharge mechanism is with intermediate pool even Connect.

Preferably, described discharge mechanism includes outer flow regulating barrels, interior flow regulating barrels, carrier separator and downflow weir, described interior whole Flow cartridge be coaxially built in outer flow regulating barrels and and outer flow regulating barrels between form a rectifying cavity, the water side of described carrier separator and institute Stating the lower end connection of rectifying cavity, described downflow weir connects with the upper end of described rectifying cavity.

Preferably, described vertical three phase fluidized bed also includes the cone-shaped hood that an external diameter is from top to bottom gradually increased, described cone The upper end of shape cover is connected with described interior flow regulating barrels, and described guide shell upper end extends in described cone-shaped hood.

Preferably, described carrier separator is multiple and is evenly arranged along described interior flow regulating barrels inwall circumference, each described Carrier separator all includes:

One cylinder, described cylinder sidewall is provided with multiple sorting hole；

It is built in the water output cylinder of described cylinder, is formed between described water output cylinder with described cylinder and separates cavity, institute State water output cylinder one end through described cylinder and connect with described rectifying cavity, the other end axially extending along described cylinder and with institute State and be formed between cylinder end and the described gap separating cavity connection.

Preferably, described vertical three phase fluidized bed also includes that a backwash mechanism, described backwash mechanism include a water inlet What end was connected with described intermediate pool the backwash in the form of a ring that is connected with described backwashing pump of backwashing pump is responsible for and many Individual backwash is in charge of, each described backwash be in charge of equal one end and described backwash supervisor connect, the other end and described disengagement chamber Body connects.

Preferably, described photocatalytic oxidation device include being connected with described intermediate pool from flush filter and photocatalysis Oxidation reactor, described photocatalytic oxidation reactor includes with the described tubular reactor being connected from flush filter water side originally Oxidant that body is connected with described reactor body throw mechanism, along described reactor body length direction be arranged in described instead Answer the intrinsic fluorescent tube of device and be located at the ultrasound wave generating mechanism of described reactor body inwall.

Preferably, described connected by a three-way valve from flush filter and described photocatalytic oxidation reactor, described three Logical valve one water outlet port and a circulating line connect, and described circulating line is connected with the described water inlet end from flush filter.

Preferably, described reactor body includes the first segmentation and the second segmentation set gradually along the sewage direction of motion, Described oxidant is thrown mechanism and is connected to described first segmentation, and described ultrasound wave generating mechanism includes being respectively arranged in described first The first ultrasound wave generating mechanism in segmentation and the second segmentation and the second ultrasound wave generating mechanism；Described fluorescent tube is coaxially built in institute State the second segmentation.

Meanwhile, the present invention also provides for a kind of pharmacy wastewater treatment method, comprises the steps:

(1) pharmacy waste water is processed by hydrolysis acidification, and carry out water quality, runoff investigation；

(2) waste water after step (1) being processed is entered by bottom the reaction cavity of vertical three phase fluidized bed, adds suspension and fills out Expect and open aerator, making floating stuffing inside and outside guide shell circulate；

(3) waste water after step (2) being processed carries out Treatment by Photocatalysis Oxidation by photocatalytic oxidation device.

Preferably, the processing procedure of described Treatment by Photocatalysis Oxidation also carries out ultrasonic Treatment to waste water.

Compared with prior art, one aspect of the present invention arranges the guide shell matched and aeration in vertical three phase fluidized bed Mechanism is formed in making guide shell and forms anaerobic zone and aerobic area outside aerobic zone, guide shell, makes floating stuffing follow inside and outside guide shell Ring, and then circulation carries out nitrification, denitrification alternation response, and carries out cooperation process by photochemical catalytic oxidation, it is conducive to raising Sewage treating efficiency.

Accompanying drawing explanation

Fig. 1 is the attachment structure schematic diagram of the pharmacy wastewater treatment system of the present invention；

Fig. 2 is the A portion enlarged drawing of Fig. 1 of the present invention；

Fig. 3 is the structural representation of the carrier separator of the present invention；

Fig. 4 is the distribution schematic diagram of the aeration plate of the present invention；

Fig. 5 is the attachment structure schematic diagram of the photocatalytic oxidation device of the present invention；

Fig. 6 is the connection block diagram of the turbidity control parts of the present invention.

Detailed description of the invention

In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and It is not used in the restriction present invention.

Refer to Fig. 1～6, The embodiment provides a kind of pharmacy wastewater treatment system, including be sequentially connected with Hydrolysis acidification regulating reservoir 1, vertical three phase fluidized bed 2, intermediate pool 3, photocatalytic oxidation device 4, described vertical three phase fluidized bed 2 Including:

The reaction tube 21 being vertically arranged, is formed with reaction cavity in described reaction tube 21；

Coaxially it is built in the guide shell 22 of reaction cavity；

Aeration mechanism 23, it include Aeration fan 231, be located at the multiple aeration plates 232 immediately below described guide shell 22 and Connect the aeration tube 233 of described Aeration fan 231 and described aeration plate 232；And

With being located in the discharge mechanism 24 directly over described guide shell 22, the water side of described discharge mechanism 24 and middle water Pond 3 connects.

The present embodiment first passes through hydrolysis acidification regulating reservoir 1 and is hydrolyzed acidification, carries out water quality, the water yield after process Regulation, is intake by bottom the reaction cavity of vertical three phase fluidized bed 2 after regulation, and water inlet is simultaneously introduced floating stuffing and opens aeration Mechanism 23, when in reaction cavity, water level is to after in guide shell 22, owing to multiple aeration plates 232 are positioned at immediately below guide shell 22, therefore During aeration, gas only aeration in guide shell 22, and between guide shell 22 and reaction tube 21, do not carry out aeration, so that water conservancy diversion Form aerobic zone in cylinder 22, between guide shell 22 and reaction tube 21, form anaerobic zone and aerobic area so that add during water inlet is outstanding Cultivate on floating filler and form different strains.When water level reach a certain amount of after, guide shell 22 is submerged, at the work of aeration plate 232 Under with, the floating stuffing in guide shell 22 moves from the bottom to top, the floating stuffing between guide shell 22 and reaction tube 21 then by Up to lower motion, thus define the shuttling movement of floating stuffing inside and outside guide shell 22, so that sewage alternately nitrification, Anti-nitration reaction, it achieves nitrification in same reaction tube 21, alternately the occurring of anti-nitration reaction, which reduce energy resource consumption, Construction cost, improves sewage treating efficiency.The clear liquor being positioned at reaction cavity upper end after biochemical reaction can pass through discharge mechanism 24 are expelled in intermediate pool 3, and the sewage in intermediate pool 3 can carry out Treatment by Photocatalysis Oxidation by photocatalytic oxidation device 4.

The most as shown in Figure 4, coordinating aeration effect in order to increase aeration mechanism 23 and guide shell 22, the present embodiment is multiple Described aeration plate 232 circular array is arranged in immediately below described guide shell 22, and multiple aeration plates 232 are arranged circular array Layout can match with guide shell 22, the ascending motion of floating stuffing in promotion guide shell 22.

The described discharge mechanism 24 of the present embodiment includes outer flow regulating barrels 241, interior flow regulating barrels 242, carrier separator 243 and overflows Stream weir 244, described interior flow regulating barrels 242 be coaxially built in outer flow regulating barrels 241 and and outer flow regulating barrels 241 between form a rectifying cavity, The water side of described carrier separator 243 connects with the lower end of described rectifying cavity, and described downflow weir 244 is upper with described rectifying cavity End connection.The present embodiment can pass through intermittent water inflow or continuum micromeehanics, and when again intaking after having reacted, reaction cavity upper end is clear Clear water can be gone out by downflow weir 244 overflow, during intermittent water inflow, can stand after biochemical reaction, and then water inlet makes reaction cavity Interior upper strata primary water overflows, the continuum micromeehanics then continual spilling of upper strata primary water, and in order to reduce the clarity of water outlet, this reality Execute example and preferably employ intermittent water inflow.Wherein, when standing, floating stuffing, owing to not having water inlet and the support of aeration, easily collapses, and Under gravity, the floating stuffing collapsed can mutually collide, and makes biofilm detachment, the regeneration formed on floating stuffing, thus For offer condition of intaking next time.

The present embodiment arranges carrier separator 243 and is conducive to separating in exiting water process floating stuffing, it is ensured that clear in rectifying cavity Clear water does not contains floating stuffing, reduces the turnover rate of floating stuffing, and the joining of outer flow regulating barrels 241 and interior flow regulating barrels 242 The primary water that conjunction can reduce in rectifying cavity is affected by reaction zone inside and outside guide shell 22, it is ensured that clarification water clarification in rectifying cavity Degree.

As shown in Figures 1 to 3, in order to improve harmony and the water outlet efficiency that carrier separator 243 separates, described carrier separates Device 243 is for multiple and be evenly arranged along described interior flow regulating barrels 242 inwall circumference, and each described carrier separator 243 all includes point Being provided with multiple sorting hole on cylinder 243a and water output cylinder 243b, cylinder 243a sidewall, water output cylinder 243b is built in described point Separating cavity from cylinder 243a and with being formed with between described cylinder 243a, described water output cylinder 243b one end passes described cylinder 243a and connect with described rectifying cavity, the other end axially extending along described cylinder 243a and with described cylinder 243a end it Between be formed and described separate cavity connection gap.I.e. primary water is entered in rectifying cavity by sorting hole, and passes through cylinder Gap between 243a end and water output cylinder 243b enters in water output cylinder 243b, subsequently in rectifying cavity and pass through downflow weir 244 overflow.

Wherein, each described sorting hole of the present embodiment is along described cylinder 243a arcuate socket circumferentially, multiple Described sorting hole is axially evenly arranged along described cylinder 243a, uses arcuate socket can improve the water outlet efficiency of cylinder 243a.

As it is shown in figure 1, vertical three phase fluidized bed 2 also includes the cone that an external diameter is from top to bottom gradually increased described in the present embodiment Shape cover 25, the upper end of described cone-shaped hood 25 is connected with described interior flow regulating barrels 242, and described guide shell 22 upper end extends to described taper In cover 25.And, there is gap, in continuum micromeehanics or intermittent water inflow process between outer rim and reaction tube 21 inwall of cone-shaped hood 25 In, the reaction zone inside and outside cone-shaped hood 25 all preferably isolation rectification chamber and guide shell 22, it is ensured that the clarity of water outlet, and entering During water aeration, floating stuffing is inevitably entered above cone-shaped hood 25 by above-mentioned gap, so that cone-shaped hood 25 upper surface Forming a flocculate and clarify layer, this flocculate and clarify layer and can will carry out secondary response between the sewage of water outlet, and it is conducive to improving instead Answer efficiency.

As shown in Figure 1 and Figure 2, in order to increase wastewater treatment efficiency and avoid equipment to block, vertical three-phase described in the present embodiment Fluid bed 2 also includes that a backwash mechanism 26, described backwash mechanism 26 include what a water inlet end was connected with described intermediate pool 3 Backwashing pump 261 be connected with described backwashing pump 261 backwash in the form of a ring supervisor 262 and multiple backwash be in charge of 263, each described backwash is in charge of 263 equal one end and is separated cavity even with described backwash supervisor 262 connection, the other end with described Logical.Time specifically used, carrier separator 243 can be carried out backwash, to avoid carrier to divide by some cycles unlatching backwashing pump 261 Block from device 243.

In order to cultivate the biodegradability of strain, the present embodiment pharmacy wastewater treatment system in increasing vertical three phase fluidized bed 2 Including a backflow mechanism 5, this backflow mechanism 5 includes flowing back into water pipe 51, recycling effluent pipe 52 and reflux pump 53, flows back into water pipe 51 one end connect with downflow weir 244, the other end is connected with reflux pump 53, and recycling effluent pipe 52 one end is connected with reflux pump 53, separately One end is connected with hydrolysis acidification regulating reservoir 1, by the sewage backflow in vertical three phase fluidized bed 2, can improve in three phase fluidized bed Cultivate the biochemical ability of strain.

The present embodiment photocatalytic oxidation device 4 can use the Treatment by Photocatalysis Oxidation mode of routine, in order to improve photocatalysis Oxidation processes effect, photocatalytic oxidation device 4 described in the present embodiment include being connected with described intermediate pool 3 from flush filter 41 and photocatalytic oxidation reactor 42, described photocatalytic oxidation reactor 42 include with described from flush filter 41 water side even The oxidant that the tubular reactor body 421 connect is connected with described reactor body 421 throws mechanism 422, along described reactor Body 421 length direction is arranged in the fluorescent tube 423 in described reactor body 421 and is located at described reactor body 421 inwall Ultrasound wave generating mechanism 424.

Sewage first passes through and filters from flush filter 41, to reduce turbidity of sewage, it is to avoid dirty impurities in water is to rear The stop of continuous illumination, reduces photocatalysis effect；Sewage after filtration is fed directly in photocatalytic oxidation reactor 42, and passes through Oxidant is thrown mechanism 422 and is thrown oxidant in sewage, under the catalytic action of the light that oxidant sends at fluorescent tube 423, by dirt Oxidation operation in water；Wherein, by arranging ultrasound wave generating mechanism 424, utilize the mechanism of ultrasound wave make sewage and Mud in sewage vibrates, it is to avoid mud lumps, and utilizes the cavitation of ultrasound wave to form bubble simultaneously, promotes mud Grain dispersion, above-mentioned bubble is divided into two kinds, and granule is directly disperseed by a kind of mud granule internal sewage generation bubble, refinement, another Planting is then that sewage forms bubble-break, and generation is agitated so that the mud granule near bubble is broken, dispersion.

Due to limited from the filter efficiency of flush filter 41, the turbid of setting can not be reached only by once filtering Degree, therefore connected by three-way valve 43 between flush filter 41 and described photocatalytic oxidation reactor 42 described in the present embodiment, Described three-way valve 43 1 water outlet port and a circulating line 44 connect, described circulating line 44 with described from flush filter 41 Water inlet end connect, i.e. when from flush filter 41 filter after turbidity be not below setting value time, the water side of three-way valve 43 with follow Endless tube road 44 connects, and is again circulated filtration, until turbidity of sewage is low from the sewage flowed out from flush filter 41 water side After setting value, the water side of three-way valve 43 turns on photocatalytic oxidation reactor 42.

In actual application, in order to increase the convenience of use, described in the present embodiment, photocatalytic oxidation device 4 includes one Turbidity controls parts 45, includes being equipped with in described in flush filter 41 as it is shown in figure 5, described turbidity controls parts 45 The luminous body 451 of wall and light intensity sensor 452 and a processor 453, luminous body 451 and light intensity sensor 452 cooperation set Put to detect the turbidity of sewage from flush filter 41 water side, the illumination that specifically can be sensed by light intensity sensor 452 Intensity judges the height of turbidity of sewage, i.e. light intensity sensor 452 influence value is the biggest, then explanation turbidity of sewage is the lowest, works as light intensity When degree sensor 452 senses light intensity value more than setting value, then explanation turbidity of sewage is less than setting turbidity, and processor 453 obtains The induced signal of this light intensity sensor 452, and the water side controlling three-way valve 43 turns on photocatalytic oxidation reactor 42, from And achieve the circulation automatic fitration from flush filter 41.

The most as shown in Figure 6, described processor 453 includes that signal acquisition circuit 453a, comparison circuit 453b, three-way valve drive Galvanic electricity road 453c, described signal acquisition circuit 453a are used for gathering described light intensity sensor 452 and sense described luminous body 451 and shine The signal of telecommunication that the light intensity penetrated produces, described comparison circuit 453b is used for judging whether the described signal of telecommunication is more than and sets threshold value, if Then start three-way valve drive circuit 453c, described three-way valve drive circuit 453c more than setting threshold value to be used for driving three-way valve 43 to make Described connect with described photocatalytic oxidation reactor 42 from flush filter 41.

As it is shown in figure 5, the present embodiment is in order to increase photochemical catalytic oxidation effect, described reactor body 421 is set to edge The first segmentation 421a that the sewage direction of motion sets gradually and the second segmentation 421b, described oxidant is thrown mechanism 422 and is connected to Described first segmentation 421a, described fluorescent tube 423 is built in described second segmentation 421b.Corresponding, described ultrasound wave generation machine Structure 424 include the first ultrasound wave generating mechanism 424a of being respectively arranged in described first segmentation 421a and the second segmentation 421b and Second ultrasound wave generating mechanism 424b.

Wherein, the first segmentation 421a is for carrying out pretreatment to sewage, and the second segmentation 421b is used for carrying out photochemical catalytic oxidation Reaction.

Concrete, oxidant is thrown and is thrown oxidant in the mechanism 422 sewage in described first segmentation 421a, the first surpasses Acoustic wave generating means 424a carries out pretreatment to sewage, and on the one hand it utilize the mechanism of ultrasound wave to make sewage vibrate, Ensure that the oxidant thrown uniformly mixes with sewage, the harmony of follow-up photochemical catalytic oxidation, improves photochemical catalytic oxidation effect Rate, also a certain degree of can disperse simultaneously, refines larger particles in mud；On the other hand the cavitation of ultrasound wave is utilized, its Bubble can be formed in granule, make granule dispersion, refinement, it is possible in sewage, form bubble and broken generation is agitated, make sewage Further with oxidant mix homogeneously, make mud granule further disperse, refine.

Sewage through pretreatment enters the second segmentation 421b and carries out photochemical catalytic oxidation, in order to add photochemical catalytic oxidation effect Really, the present embodiment fluorescent tube 423 is coaxially arranged in described second segmentation 421b, consequently facilitating to the dirt being coated on outside fluorescent tube 423 Water carries out illumination.Wherein, the fluorescent tube 423 of the present embodiment is preferably arranged to quartz burner.

In the Photocatalytic Oxidation that the second segmentation 421b is carried out, second that the second segmentation 421b inwall is arranged is ultrasonic Ripple generating mechanism 424b to fluorescent tube 423 outside sewage carry out supersound process, on the one hand it is conducive to granule in sewage further Dispersion, refinement, on the other hand promote the vibration of granule in sewage, it is to avoid sludge settling forms dirt on the outer wall of fluorescent tube 423 Dirt, thus stop the light that fluorescent tube 423 sends.As shown in Figure 5, Figure 6, in order to increase the effect of this supersound process, the present embodiment Described second ultrasound wave generating mechanism 424b includes that the multiple ultrasound wave arranged along described second segmentation 421b length direction occur Assembly, each described ultrasound wave generating assembly all includes the multiple ultrasound wave arranged in the form of a ring along described second segmentation 421b inwall Generating unit, the most multiple ultrasound wave generating assemblies are arranged along fluorescent tube 423 length direction, and the ring-type multiple ultrasound wave generating units formed Continual launch ultrasound wave to fluorescent tube 423, make the sewage between whole fluorescent tube 423 outer wall and the second segmentation 421b inwall all locate Under ul-trasonic irradiation, it is ensured that the sewage in the second segmentation 421b is uninterruptedly in mechanism and the cavitation of ultrasound wave Under.

And, ring-type multiple ultrasound wave generating units of formation can avoid mud at the second segmentation 421b bottom precipitation, reduces Or avoid the problem that the second segmentation 421b carries out mud cleaning.

Wherein, described in the present embodiment, the second segmentation 421b inwall is provided with the luminous intensity for detecting described fluorescent tube 423 Online light intensity meter 46.

It is as follows that the pharmacy wastewater treatment system of the present invention processes sewage flow process: first passes through hydrolysis acidification regulating reservoir and carries out water Solve acidification, after process, carry out the regulation of water quality, the water yield, enter bottom reaction cavity by vertical three phase fluidized bed after regulation Water, water inlet is simultaneously introduced floating stuffing and opens aeration mechanism, when in reaction cavity, water level is to after in guide shell, due to multiple exposures Gas dish is positioned at immediately below guide shell, therefore during aeration, gas only aeration in guide shell, and do not enter between guide shell and reaction tube Row aeration, so that forming aerobic zone in guide shell, forms anaerobic zone and aerobic area so that water inlet between guide shell and reaction tube Time the floating stuffing that adds on cultivate and form different strain.When water level reach a certain amount of after, guide shell is submerged, at aeration plate Effect under, the floating stuffing in guide shell moves from the bottom to top, and the floating stuffing between guide shell and reaction tube is then by upper To lower motion, thus define the shuttling movement of floating stuffing inside and outside guide shell, so that sewage alternately nitrification, anti-nitre Changing reaction, it achieves nitrification, the alternately generation of anti-nitration reaction in same reaction tube, which reduces energy resource consumption, is built into This, improve sewage treating efficiency.The clear liquor being positioned at reaction cavity upper end after biochemical reaction can be expelled to by discharge mechanism In intermediate pool, the sewage in intermediate pool can urge oxidation unit to carry out Treatment by Photocatalysis Oxidation by light.

Compared with prior art, one aspect of the present invention arranges the guide shell matched and aeration in vertical three phase fluidized bed Mechanism is formed in making guide shell and forms anaerobic zone and aerobic area outside aerobic zone, guide shell, makes floating stuffing follow inside and outside guide shell Ring, and then circulation carries out nitrification, denitrification alternation response, and carries out cooperation process by photochemical catalytic oxidation, it is conducive to raising Sewage treating efficiency.

The detailed description of the invention of present invention described above, is not intended that limiting the scope of the present invention.Any basis Various other that the technology design of the present invention is made change and deformation accordingly, should be included in the guarantor of the claims in the present invention In the range of protecting.

Claims (10)

1. a pharmacy wastewater treatment system, it is characterised in that include the hydrolysis acidification regulating reservoir being sequentially connected with, vertical three-phase flow Changing bed, intermediate pool, photocatalytic oxidation device, described vertical three phase fluidized bed includes:

The reaction tube being vertically arranged, is formed with reaction cavity in described reaction tube；

Coaxially it is built in the guide shell of reaction cavity；

Aeration mechanism, it includes Aeration fan, is located at the multiple aeration plates immediately below described guide shell and connects described aeration wind Machine and the aeration tube of described aeration plate；And

With being located in the discharge mechanism directly over described guide shell, the water side of described discharge mechanism is connected with intermediate pool.

Pharmacy wastewater treatment system the most according to claim 1, it is characterised in that described discharge mechanism includes outer rectification Cylinder, interior flow regulating barrels, carrier separator and downflow weir, described interior flow regulating barrels be coaxially built in outer flow regulating barrels and and outer flow regulating barrels between Forming a rectifying cavity, the water side of described carrier separator connects with the lower end of described rectifying cavity, and described downflow weir is whole with described The upper end connection in stream chamber.

Pharmacy wastewater treatment system the most according to claim 2, it is characterised in that described vertical three phase fluidized bed also includes The cone-shaped hood that one external diameter is from top to bottom gradually increased, the upper end of described cone-shaped hood is connected with described interior flow regulating barrels, described guide shell Upper end extends in described cone-shaped hood.

4. according to the pharmacy wastewater treatment system described in Claims 2 or 3, it is characterised in that described carrier separator is multiple And be evenly arranged along described interior flow regulating barrels inwall circumference, each described carrier separator all includes:

One cylinder, described cylinder sidewall is provided with multiple sorting hole；

Be built in the water output cylinder of described cylinder, be formed between described water output cylinder with described cylinder and separate cavity, described in go out Water drum one end through described cylinder and connect with described rectifying cavity, the other end axially extending along described cylinder and with described point It is formed between cylinder end and the described gap separating cavity connection.

Pharmacy wastewater treatment system the most according to claim 4, it is characterised in that described vertical three phase fluidized bed also includes One backwash mechanism, described backwash mechanism includes that what a water inlet end was connected with described intermediate pool backwashing pump is with described Backwashing pump connect backwash in the form of a ring supervisor and multiple backwash be in charge of, each described backwash be in charge of equal one end with Described backwash supervisor's connection, the other end separate cavity connection with described.

6. according to the arbitrary described pharmacy wastewater treatment system of claims 1 to 3, it is characterised in that described photocatalytic-oxidation is disguised Put include being connected with described intermediate pool from flush filter and photocatalytic oxidation reactor, described photocatalytic oxidation reactor Including the oxidant being connected with described reactor body with the described tubular reactor body being connected from flush filter water side Throw mechanism, be arranged in the fluorescent tube in described reactor body along described reactor body length direction and be located at described reaction The ultrasound wave generating mechanism of device inner body wall.

Pharmacy wastewater treatment system the most according to claim 6, it is characterised in that described from flush filter with described light Catalyst oxidation reactor is connected by a three-way valve, and described three-way valve one water outlet port and a circulating line connect, described circulation Pipeline is connected with the described water inlet end from flush filter.

Pharmacy wastewater treatment system the most according to claim 7, it is characterised in that described reactor body includes along sewage The first segmentation that the direction of motion sets gradually and the second segmentation, described oxidant is thrown mechanism and is connected to described first segmentation, institute State the first ultrasound wave generating mechanism that ultrasound wave generating mechanism includes being respectively arranged in described first segmentation and the second segmentation and Second ultrasound wave generating mechanism；Described fluorescent tube is coaxially built in described second segmentation.

9. a pharmacy wastewater treatment method, it is characterised in that comprise the steps:

(1) pharmacy waste water is processed by hydrolysis acidification, and carry out water quality, runoff investigation；

(2) waste water after step (1) being processed is entered by bottom the reaction cavity of vertical three phase fluidized bed, adds floating stuffing also Open aerator, make floating stuffing inside and outside guide shell circulate；

(3) waste water after step (2) being processed carries out Treatment by Photocatalysis Oxidation by photocatalytic oxidation device.

Pharmacy wastewater treatment method the most according to claim 9, it is characterised in that the place of described Treatment by Photocatalysis Oxidation Also waste water is carried out ultrasonic Treatment during reason.