CN209537216U - A kind of recycling processing system of pharmacy waste water - Google Patents
A kind of recycling processing system of pharmacy waste water Download PDFInfo
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- CN209537216U CN209537216U CN201821981422.1U CN201821981422U CN209537216U CN 209537216 U CN209537216 U CN 209537216U CN 201821981422 U CN201821981422 U CN 201821981422U CN 209537216 U CN209537216 U CN 209537216U
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Abstract
The utility model discloses a kind of recycling processing systems of pharmacy waste water, it is a kind of PLC control system for realizing wastewater treatment automatic operating, it include: PLC control system, high concentration wastewater treatment system and comprehensive wastewater treatment system, wherein, high concentration wastewater treatment system includes high concentration conditioning tank, neutralizes water pot, MVR vapo(u)rization system, magma storage tank, condensate water pot, solid-liquid separating machine, filtrate receiver, dope water pot.Comprehensive wastewater treatment system includes low density wastewater conditioning tank, Fenton oxidation pond, coagulative precipitation tank, hydrolysis acidification pool, the aerobic pond MBR, ozone oxidation tower, intermediate water pot, dual membrane system, sludge concentration tank, plate and frame filter press.The system and method for the utility model improve the utilization efficiency of pharmacy waste water, reduce gross contamination emission, water source is saved, pass through the combined treatment of different process, the processes such as physics, biological and chemical processing method are combined together, so that the pollutants such as COD, ammonia nitrogen have obtained effective degradation in chemical synthesis pharmacy waste water, TDS has obtained effective removal.
Description
Technical field
This technology provides a kind of recycling processing system of pharmacy waste water, belongs to pharmacy wastewater treatment industry field.
Background technique
The waste water of pharmacy corporation discharge is mostly comprehensive waste water, and chemical synthesis class pharmacy synthesis technology is long, reacts
Step is more, and the raw material for forming product chemical structure only accounts for the 5%-15% of consumption of raw materials, and damage ratio is more serious.Chemical synthesis class pharmacy
Waste water specifically includes that technique waste water, flushing waste water, recycling raffinate, supporting process waste water etc..
Wherein technique waste water is high-concentration waste water, has polluter complicated component, organic concentration height, venomous injurant
The features such as matter and hard-degraded substance content are high, total salt amount is high, processing difficulty is big, is waste water difficult to deal with.Flushing waste water and its
He belongs to low concentration wastewater by waste water, although COD be not it is very high, there is also the organic of difficult for biological degradation in waste water
Object and toxicant.According to pharmacy waste water water quality characteristics, current main processing method is divided into physico-chemical process, chemical method, bioanalysis
And group technology processing method.
Physical chemistry method is suitable for the processing of high-concentration hardly-degradable pharmacy waste water, but its processing cost is relatively high；And it is biological
Processing method expense is lower, and the removal of pollutant more thoroughly, but is unsuitable for the processing of high-concentration waste water.Increasingly with water resource
Anxiety, the regeneration of waste water and recycling can not only alleviate the contradiction of shortage of water resources, but also can mitigate the pollution to water environment,
Considerable social benefit, environmental benefit and economic benefit can be brought, the master that countries in the world solve water crisis is had become
Want strategy.Waste water of pharmaceutical industry processing at present is mostly focused on the processing of waste water, i.e., wastewater treatment is reached to row to a certain extent
It is discharged after putting standard, the technology for studying waste water of pharmaceutical industry reuse is less.For the water quality characteristic of pharmacy wastewater treatment, research is opened
The processing system and method for sending out pharmacy wastewater treatment reuse have important economy and environmental benefit.
Summary of the invention
The purpose of this utility model is the utilization efficiency in order to improve pharmacy waste water, reduces gross contamination emission, is saved
The processes such as physics, biological and chemical processing method are combined together, are devised by the combined treatment of different process by the energy
A kind of device and method of high, simple and convenient operation and maintenance the pharmacy waste water reuse for the treatment of effeciency.
To achieve the above object, the utility model discloses following technology contents:
A kind of pharmacy waste water recycling processing system, it is characterised in that it includes: PLC system, high concentration wastewater treatment system I
And comprehensive wastewater treatment system II, wherein
High concentration wastewater treatment system I includes: hc effluent conditioning tank 1, neutralizes water pot 2, MVR vapo(u)rization system 3, magma storage
Tank 4, condensate water pot 5, solid-liquid separating machine 6；
Comprehensive wastewater treatment system II includes: low density wastewater conditioning tank 7, Fenton oxidation pond 8, coagulative precipitation tank 9, hydrolysis acid
Change pond 10, the aerobic pond MBR 11, ozone oxidation tower 12, intermediate water pot 13, dual membrane system 14, sludge concentration tank 15, plate and frame filter press
16；
1 front end of hc effluent conditioning tank is equipped with fine fack A, the submersible sewage pump B being equipped in pond, sour chemicals dosing plant C, alkali
Chemicals dosing plant D is connected with hc effluent conditioning tank respectively, neutralizes water pot 2 and connect with MVR vapo(u)rization system；
It includes: filter E, feed pump F, Pistonless compressor G that the MVR evaporation, which is 3, evaporator H, heat exchanger I, is forced
Circulating pump J, dope discharging pump K, filtrate collecting tank L, concentrated water elevator pump M, concentrated water slot N, reflux pump O；Filter E and feed pump F
Connection, feed pump F by the connection of pipeline between pipeline and evaporator H and forced circulation pump J, forced circulation pump J respectively with steaming
Hair device H is connected with heat exchanger I, and vapour compression machine G is connect with the other end of evaporator H and heat exchanger I respectively, and evaporator H's goes out
Water pipe is connected with dope discharging pump K, and the outlet dope discharging pump K is connect with magma storage tank 4, the other end and solid-liquid of magma storage tank 4
Seperator 6 is connected, and solid-liquid separating machine filtrate collecting tank L is connected with concentrated water slot N, and concentrated water slot N is connect with reflux pump O, reflux
Pump O is connected with evaporator H, and heat exchanger I is connected with condensate water pot 5；
Comprehensive wastewater treatment system II includes: low density wastewater conditioning tank 7, Fenton oxidation pond 8, coagulative precipitation tank 9, hydrolysis acid
Change pond 10, the aerobic pond MBR 11, ozone oxidation tower 12, intermediate water pot 13, dual membrane system 14, sludge concentration tank 15, plate and frame filter press
16；
The condensate water pot 5 of the high concentration wastewater treatment system and the low density wastewater conditioning tank of comprehensive wastewater treatment system
7 connections, low 7 front end of density wastewater conditioning tank are equipped with fine fack P, are equipped with submersible sewage pump Q in pond, submersible sewage pump Q is connected with Fenton oxidation pond 8
It connects；
The Fenton oxidation pond front end is equipped with online pH meter, and bottom is equipped with aerator；Sour chemicals dosing plant S, hydrogen peroxide
Chemicals dosing plant T, ferrous sulfate chemicals dosing plant U are successively connected with Fenton oxidation pond respectively；
9 front end of coagulative precipitation tank is equipped with online pH meter, and coagulative precipitation tank is connected with hydrolysis acidification pool 10, and alkali adds
Medicine device V, ferrous sulfate chemicals dosing plant U, PAM- chemicals dosing plant W are successively connected with coagulative precipitation tank respectively；
Hydrolysis acidification bottom of pond portion is equipped with aerator and is equipped with filler, while being connected with the aerobic pond MBR 11；Aerobic MBR
Bottom of pond portion is equipped with aeration plate, and MBR curtain type membrane Y, submersible sewage pump Z are installed in pond, and the aerobic pond MBR passes through self priming pump X and ozone oxidation tower
The connection of 12 one end；
The other end of ozone oxidation tower is connected with intermediate water pot 13, the ultrafiltration of intermediate the water pot other end and dual membrane system 14
Intake pump SA connection；Dual membrane system includes: ultrafiltration intake pump SA, filter SB, ultrafiltration apparatus SC, ultrafiltration water producing tank SD, pressurization
Pump SE, accurate filter SF, high-pressure pump SG and reverse osmosis unit SH；Ultrafiltration intake pump SA, filter SB, ultrafiltration apparatus SC, surpass
Filter water producing tank SD, booster pump SE, accurate filter SF, high-pressure pump SG and reverse osmosis unit SH are sequentially connected；
15 one end of sludge concentration tank is connected with coagulative precipitation tank 9 and the aerobic pond MBR 11, the other end by screw pump AA with
Plate and frame filter press is connected；
Connecting pipe between sludge concentration tank 15, plate and frame filter press 16 is equipped with pipe-line mixer, PAM+ chemicals dosing plant
AB is connect with pipe-line mixer.
The utility model further discloses the method for carrying out pharmacy waste water Treatment for Reuse using the device, it is characterised in that
It is carried out by following step:
1) be equipped with fine fack A in hc effluent conditioning tank front end, equipped with submersible sewage pump B in pond, submersible sewage pump B by waste water lifting extremely
Neutralizing water pot, sour chemicals dosing plant C and alkali chemicals dosing plant D add bronsted lowry acids and bases bronsted lowry for the pH of waste water to being adjusted to 8-9 to neutralizing in water pot,
Water pot is neutralized to connect with MVR vapo(u)rization system；
MVR vapo(u)rization system includes filter E, feed pump F, Pistonless compressor G, evaporator H, heat exchanger I, forced circulation pump
J, dope discharging pump K, filtrate collecting tank L, concentrated water elevator pump M, concentrated water slot N, reflux pump O；The waste water for neutralizing water pot enters filtering
Device E, filter E are connect with feed pump F, and waste water lifting to evaporator H, evaporator H are connect by feed pump F with heat exchanger I, are forced
Circulating pump J is connect with evaporator H and heat exchanger I respectively, realizes circulation of the waste water between evaporator H and heat exchanger I, vapour pressure
Contracting machine is connect with evaporator H with one end of heat exchanger I respectively, realizes the compression circulation of steam；The outlet pipe and dope of evaporator H
Discharging pump K is connected, and the outlet dope discharging pump K is connect with magma storage tank, and the dope of magma storage tank enters solid-liquid separating machine, realizes solid
Liquid separation；The filter cake that solid-liquid separating machine generates has sent qualification processed in units, and filtrate enters filtrate collecting tank L, filtrate collecting tank L's
Waste water is promoted to concentrated water slot N by concentrated water elevator pump M, and concentrated water slot N is connect with reflux pump O, and dope is promoted to evaporator by reflux pump O
H.The water that steams of heat exchanger I enters condensate water pot；
2) low density wastewater conditioning tank front end is equipped with fine fack P, equipped with submersible sewage pump Q in pond, by submersible sewage pump Q by waste water lifting
Online pH meter Fenton oxidation pond is equipped with to front end；Fenton oxidation pond front end is equipped with online pH meter, and acid is added by sour chemicals dosing plant S
Wastewater pH is adjusted to 3-5, adds 30% into Fenton oxidation pond by hydrogen peroxide chemicals dosing plant T and ferrous sulfate chemicals dosing plant U
Hydrogen peroxide and ferrous sulfate；The dosage of hydrogen peroxide and ferrous sulfate should be adjusted according to the pollutant in waste water, can basis
Orthogonal experiment determines；The acid is sulfuric acid；Fenton oxidation bottom of pond portion is equipped with aerator, and air blower R provides oxygen for it；
3) coagulative precipitation tank front end is equipped with online pH meter, alkali is added by alkali chemicals dosing plant F, pH is adjusted to 7-8, then lead to
Persulfuric acid ferrous iron chemicals dosing plant U and PAM-Ferrous sulfate and PAM is added-, PAM-Additional amount is 10-50mg/L, and supernatant flows into certainly
Enter hydrolysis acidification pool, sludge enters sludge concentration tank；The alkali is sodium hydroxide；
4) hydrolysis acidification bottom of pond portion is equipped with aerator and is equipped with filler, and waste water flows into certainly after hydrolysis acidification pool is handled
Enter the aerobic pond MBR；Aerobic MBR bottom of pond portion is equipped with aeration plate, installs MBR curtain type membrane in pond, is separated by solid-liquid separation, air blower R is
Hydrolysis acidification pool, the aerobic pond MBR provide oxygen；The aerobic pond MBR is equipped with submersible sewage pump Z, carries out spoil disposal by submersible sewage pump Z and sludge returns
Stream, sludge are discharged into sludge concentration tank, are back to hydrolysis acidification pool, and sludge reflux amount is 100%-200%；MBR film is equipped with backwash, leads to
Cross the online backwash that PLC control carries out film.The water outlet in the aerobic pond MBR squeezes into ozone oxidation tower by self priming pump X；
5) water outlet of the ozone oxidation tower enters intermediate water pot, and the water outlet of intermediate water pot squeezes into double membrane systems by booster pump
System, the dual membrane system refer to ultrafiltration and reverse osmosis, include ultrafiltration intake pump SA, filter SB, ultrafiltration apparatus SC, ultrafiltration
Water producing tank SD, booster pump SE, accurate filter SF, high-pressure pump SG and reverse osmosis unit SH, dual membrane system are equipped with backwash, pass through
Backwash is realized in PLC control.The concentrated water of reverse osmosis generation enters MVR vapo(u)rization system；
6) sludge treating system includes: that the connecting pipe between sludge concentration tank, plate and frame filter press is mixed equipped with pipeline
Device, PAM+ chemicals dosing plant AB are connect with pipe-line mixer, are carried out for the sludge to coagulative precipitation tank, the generation of the aerobic pond MBR dense
Contracting, dehydration.The titanium loaded catalyst refers to carried titanium dioxide (commercially available) on column-shaped active carbon.
The method that the utility model further discloses Pharmaceutical Wastewater Treatment is organic in effectively degradation pharmacy waste water
Application in terms of object and toxicant；The organic matter and toxicant refers to COD, ammonia nitrogen, TDS.Experimental result is shown:
The method of the utility model can effectively reduce the content of COD in waste water, ammonia nitrogen, TDS.Wherein typical example COD, ammonia
Nitrogen, TDS can be from original 2000mg/L(high-concentration waste water evaporation water and the mixed water quality of low concentration wastewater), 80mg/L,
10000mg/L is reduced to 12mg/L, 0.375mg/L, 211mg/L.
The utility model mainly solve the problems, such as pharmacy waste water be difficult to handle and wastewater treatment after reuse, high spot reviews
The reuse of the evaporation process of high-concentration waste water, the catalytic oxidation treatment of low concentration wastewater and comprehensive wastewater, main difficult point are
Evaporation process, the catalysis oxidation of low concentration wastewater of high-concentration waste water, successively investigated thus high-concentration waste water evaporation process,
The conditions such as reaction condition, the Recycle Technology of Waste Water of low concentration wastewater catalysis oxidation, finally determining scheme is that high-concentration waste water steams
Hair processing steams water and low concentration wastewater after adjusting and mixing, by Fenton oxidation, coagulating sedimentation, hydrolysis acidification, aerobic MBR,
Reuse is carried out after ozone oxidation and dual membrane system processing.PLC system is the control system of present treatment system, realizes wastewater treatment system
The automatic operating of system.This processing system and method can be energy saving, achievees the purpose that waste water recycling.
Detailed description of the invention
Fig. 1 is the recycling processing system structural schematic diagram of pharmacy waste water；
Fig. 2 is the processing system of the utility model pharmacy waste water and its process flow chart of processing method；
Wherein letter respectively represents:
A, fine fack B, submersible sewage pump C, sour chemicals dosing plant D, alkali chemicals dosing plant E, filter
F, feed pump G, Pistonless compressor, H, evaporator I, heat exchanger J, forced circulation pump
K, dope discharging pump L, filtrate collecting tank M, concentrated water elevator pump N, concentrated water slot O, reflux pump
P, fine fack Q, submersible sewage pump R, air blower S, sour chemicals dosing plant T, hydrogen peroxide chemicals dosing plant
U, ferrous sulfate chemicals dosing plant V, alkali chemicals dosing plant W, PAM- chemicals dosing plant X, self priming pump
Y, MBR curtain type membrane Z, submersible sewage pump SA, ultrafiltration intake pump SB, filter SC, ultrafiltration apparatus
SD, ultrafiltration water producing tank SE, booster pump SF, accurate filter SG, high-pressure pump SH, reverse osmosis unit AA, screw rod
Pump AB, PAM+ chemicals dosing plant
Number respectively represents:
I, high load wastewater treatment system II, comprehensive wastewater treatment system
1, hc effluent conditioning tank 2, neutralization water pot 3, MVR vapo(u)rization system 4, magma storage tank
5, condensate water pot 6, solid-liquid separating machine 7, low density wastewater conditioning tank 8, Fenton oxidation pond
9, coagulative precipitation tank 10, hydrolysis acidification pool 11, the aerobic pond MBR 12, ozone oxidation tower
13, intermediate water pot 14, dual membrane system 15,16 plate and frame filter press of sludge concentration tank.
Specific embodiment
The utility model is described below by specific embodiment.Unless stated otherwise, used in the utility model
Technological means is method known in those skilled in the art.In addition, embodiment be interpreted as it is illustrative, rather than limit
The spirit and scope of the scope of the utility model, the utility model is limited only by the claims that follow.For those skilled in the art
For member, under the premise of without departing substantially from the utility model in essence and range, to the various changes or change in these embodiments
Also belong to the protection scope of the utility model.The utility model is raw materials used and reagent is commercially available.
Embodiment 1
A kind of pharmacy waste water recycling processing system, it is characterised in that it includes: PLC system, high concentration wastewater treatment system I
And comprehensive wastewater treatment system II, wherein
High concentration wastewater treatment system I includes: hc effluent conditioning tank 1, neutralizes water pot 2, MVR vapo(u)rization system 3, magma storage
Tank 4, condensate water pot 5, solid-liquid separating machine 6；
Comprehensive wastewater treatment system II includes: low density wastewater conditioning tank 7, Fenton oxidation pond 8, coagulative precipitation tank 9, hydrolysis acid
Change pond 10, the aerobic pond MBR 11, ozone oxidation tower 12, intermediate water pot 13, dual membrane system 14, sludge concentration tank 15, plate and frame filter press
16；
The hc effluent conditioning tank front end is equipped with fine fack A, the submersible sewage pump B being equipped in pond, sour chemicals dosing plant C, alkali
Chemicals dosing plant D is connected with hc effluent conditioning tank respectively, neutralizes water pot 2 and connect with MVR vapo(u)rization system 3；
The MVR vapo(u)rization system includes: filter E, feed pump F, Pistonless compressor G, evaporator H, heat exchanger I, strong
Circulating pump J processed, dope discharging pump K, filtrate collecting tank L, concentrated water elevator pump M, concentrated water slot N, reflux pump O；Filter E and feed pump
F connection, feed pump F by the connection of pipeline between pipeline and evaporator H and forced circulation pump J, forced circulation pump J respectively with steaming
Hair device H is connected with heat exchanger I, and vapour compression machine G is connect with the other end of evaporator H and heat exchanger I respectively, and evaporator H's goes out
Water pipe is connected with dope discharging pump K, and the outlet dope discharging pump K is connect with magma storage tank 4, the other end and solid-liquid point of magma storage tank
It disembarks and 6 is connected, solid-liquid separating machine filtrate collecting tank L is connected with concentrated water slot N, and concentrated water slot N is connect with reflux pump O, reflux pump O
It is connected with evaporator H, heat exchanger I is connected with condensate water pot 5；
Comprehensive wastewater treatment system II includes: low density wastewater conditioning tank 7, Fenton oxidation pond 8, coagulative precipitation tank 9, hydrolysis acid
Change pond 10, the aerobic pond MBR 11, ozone oxidation tower 12, intermediate water pot 13, dual membrane system 14, sludge concentration tank 15, plate and frame filter press
16；
The condensate water pot 5 of the high concentration wastewater treatment system and the low density wastewater conditioning tank of comprehensive wastewater treatment system
Connection, low 7 front end of density wastewater conditioning tank are equipped with fine fack P, are equipped with submersible sewage pump Q in pond, submersible sewage pump Q is connected with Fenton oxidation pond 8
It connects；
The Fenton oxidation pond front end is equipped with online pH meter, and bottom is equipped with aerator；Sour chemicals dosing plant S, hydrogen peroxide
Chemicals dosing plant T, ferrous sulfate chemicals dosing plant U are successively connected with Fenton oxidation pond respectively；
9 front end of coagulative precipitation tank is equipped with online pH meter, and coagulative precipitation tank is connected with hydrolysis acidification pool 10, and alkali adds
Medicine device V, ferrous sulfate chemicals dosing plant U, PAM- chemicals dosing plant W are successively connected with coagulative precipitation tank respectively；
Hydrolysis acidification bottom of pond portion is equipped with aerator and is equipped with filler, while being connected with the aerobic pond MBR 11；Aerobic MBR
Bottom of pond portion is equipped with aeration plate, and MBR curtain type membrane Y, submersible sewage pump Z are installed in pond, and the aerobic pond MBR passes through self priming pump X and ozone oxidation tower
The connection of 12 one end；
The other end of ozone oxidation tower is connected with intermediate water pot 13, the ultrafiltration of intermediate the water pot other end and dual membrane system 14
Intake pump SA connection；Dual membrane system includes: ultrafiltration intake pump SA, filter SB, ultrafiltration apparatus SC, ultrafiltration water producing tank SD, pressurization
Pump SE, accurate filter SF, high-pressure pump SG and reverse osmosis unit SH；Ultrafiltration intake pump SA, filter SB, ultrafiltration apparatus SC, surpass
Filter water producing tank SD, booster pump SE, accurate filter SF, high-pressure pump SG and reverse osmosis unit SH be sequentially connected (apparatus above be according to
Secondary connection)；
15 one end of sludge concentration tank is connected with coagulative precipitation tank 9 and the aerobic pond MBR 11, the other end by screw pump AA with
Plate and frame filter press 16 is connected；
Connecting pipe between sludge concentration tank, plate and frame filter press is equipped with pipe-line mixer, PAM+ chemicals dosing plant AB with
Pipe-line mixer connection.
Embodiment 2
A kind of method of pharmacy waste water Treatment for Reuse is carried out by following step:
1) be equipped with fine fack A in hc effluent conditioning tank front end, equipped with submersible sewage pump B in pond, submersible sewage pump B by waste water lifting extremely
Neutralizing water pot, sour chemicals dosing plant C and alkali chemicals dosing plant D add bronsted lowry acids and bases bronsted lowry for the pH of waste water to being adjusted to 8-9 to neutralizing in water pot,
Water pot is neutralized to connect with MVR vapo(u)rization system；
MVR vapo(u)rization system includes filter E, feed pump F, Pistonless compressor G, evaporator H, heat exchanger I, forced circulation pump
J, dope discharging pump K, filtrate collecting tank L, concentrated water elevator pump M, concentrated water slot N, reflux pump O；The waste water for neutralizing water pot enters filtering
Device E, filter E are connect with feed pump F, and waste water lifting to evaporator H, evaporator H are connect by feed pump F with heat exchanger I, are forced
Circulating pump J is connect with evaporator H and heat exchanger I respectively, realizes circulation of the waste water between evaporator H and heat exchanger I, vapour pressure
Contracting machine is connect with evaporator H with one end of heat exchanger I respectively, realizes the compression circulation of steam；The outlet pipe and dope of evaporator H
Discharging pump K is connected, and the outlet dope discharging pump K is connect with magma storage tank, and the dope of magma storage tank enters solid-liquid separating machine, realizes solid
Liquid separation；The filter cake that solid-liquid separating machine generates has sent qualification processed in units, and filtrate enters filtrate collecting tank L, filtrate collecting tank L's
Waste water is promoted to concentrated water slot N by concentrated water elevator pump M, and concentrated water slot N is connect with reflux pump O, and dope is promoted to evaporator by reflux pump O
H.The water that steams of heat exchanger I enters condensate water pot；
2) low density wastewater conditioning tank front end is equipped with fine fack P, equipped with submersible sewage pump Q in pond, by submersible sewage pump Q by waste water lifting
Online pH meter Fenton oxidation pond is equipped with to front end；Fenton oxidation pond front end is equipped with online pH meter, and acid is added by sour chemicals dosing plant S
Wastewater pH is adjusted to 3-5, adds 30% into Fenton oxidation pond by hydrogen peroxide chemicals dosing plant T and ferrous sulfate chemicals dosing plant U
Hydrogen peroxide and ferrous sulfate；The dosage of hydrogen peroxide and ferrous sulfate should be adjusted according to the pollutant in waste water, can basis
Orthogonal experiment determines；The acid is sulfuric acid；Fenton oxidation bottom of pond portion is equipped with aerator, and air blower R provides oxygen for it；
3) coagulative precipitation tank front end is equipped with online pH meter, alkali is added by alkali chemicals dosing plant F, pH is adjusted to 7, then pass through
Ferrous sulfate chemicals dosing plant U and PAM-Ferrous sulfate and PAM is added-, PAM-Additional amount is 40mg/L, and supernatant gravity flow enters water
Acidification pool is solved, sludge enters sludge concentration tank；The alkali is sodium hydroxide.
4) hydrolysis acidification bottom of pond portion is equipped with aerator and is equipped with filler, and waste water flows into certainly after hydrolysis acidification pool is handled
Enter the aerobic pond MBR；Aerobic MBR bottom of pond portion is equipped with aeration plate, installs MBR curtain type membrane in pond, is separated by solid-liquid separation, air blower R is
Hydrolysis acidification pool, the aerobic pond MBR provide oxygen；The aerobic pond MBR is equipped with submersible sewage pump Z, carries out spoil disposal by submersible sewage pump Z and sludge returns
Stream, sludge are discharged into sludge concentration tank, are back to hydrolysis acidification pool, and sludge reflux amount is 100%%；MBR film is equipped with backwash, passes through
PLC control carries out the online backwash of film.The water outlet in the aerobic pond MBR squeezes into ozone oxidation tower by self priming pump X；
5) water outlet of the ozone oxidation tower enters intermediate water pot, and the water outlet of intermediate water pot squeezes into double membrane systems by booster pump
System, the dual membrane system refer to ultrafiltration and reverse osmosis, include ultrafiltration intake pump SA, filter SB, ultrafiltration apparatus SC, ultrafiltration
Water producing tank SD, booster pump SE, accurate filter SF, high-pressure pump SG and reverse osmosis unit SH, dual membrane system are equipped with backwash, pass through
Backwash is realized in PLC control.The concentrated water of reverse osmosis generation enters MVR vapo(u)rization system；
6) sludge treating system includes: that the connecting pipe between sludge concentration tank, plate and frame filter press is mixed equipped with pipeline
Device, PAM+ chemicals dosing plant AB are connect with pipe-line mixer, are carried out for the sludge to coagulative precipitation tank, the generation of the aerobic pond MBR dense
Contracting, dehydration.
Embodiment 3
Typical case example
One chemical synthesis drugmaker, high concentration wastewater treatment amount be 20 ton/days, low concentration wastewater treating capacity be 180 tons/
It, amounts to 200 ton/days.Design influent quality standard is shown in Table 1.
Table 1 designs influent quality
Using the utility model pharmacy wastewater treatment system, and according to processing method provided by the utility model at
Reason.
Hc effluent conditioning tank front end is equipped with fine fack, removes the suspended matter in waste water, conditioning tank to water quality and water into
Row homogenizes.Submersible sewage pump is equipped in pond, waste water lifting to water pot is neutralized, is passed through sour chemicals dosing plant and alkali chemicals dosing plant by submersible sewage pump
The wastewater pH for neutralizing water pot is adjusted to 8-9, water pot water outlet is neutralized and enters MVR vapo(u)rization system.
MVR vapo(u)rization system includes filter, feed pump, Pistonless compressor, evaporator, heat exchanger, forced circulation pump, dope
Discharging pump, filtrate collecting tank, concentrated water elevator pump, concentrated water slot, reflux pump.The waste water for neutralizing water pot enters filter, filter with
Feed pump connection, waste water lifting to evaporator, evaporator connect by feed pump with heat exchanger, forced circulation pump respectively with evaporator
It is connected with heat exchanger, realizes circulation of the waste water between evaporator and heat exchanger.Pistonless compressor respectively with evaporator and heat exchange
The compression circulation of steam is realized in the connection of device one end.The outlet pipe of evaporator is connected with dope discharging pump, dope discharge pump discharge with
The connection of magma storage tank, the dope of magma storage tank enter solid-liquid separating machine, realize and are separated by solid-liquid separation.The filter cake that solid-liquid separating machine generates is sent
There is qualification processed in units, filtrate enters filtrate collecting tank, and the waste water of filtrate collecting tank is promoted to concentrated water slot by concentrated water elevator pump, dense
Sink is connect with reflux pump, and dope is promoted to evaporator by reflux pump.The water that steams of heat exchanger enters condensate water pot, condensate water pot
Water outlet enter low density wastewater conditioning tank.
What low density wastewater conditioning tank reception plant area's low concentration wastewater and high concentration wastewater treatment system generated steams water.Before it
End is equipped with fine fack, removes the suspended matter in waste water, and conditioning tank homogenizes to water quality and water.Submersible sewage pump is equipped in pond,
By waste water lifting to Fenton oxidation pond.
Acid is added in Fenton oxidation pond front end, and pH is adjusted to 4, is equipped with online pH meter herein.It is added into Fenton oxidation pond
30% hydrogen peroxide and ferrous sulfate.Being sufficiently mixed for reagent and waste water is carried out by air stirring in Fenton oxidation pond.30% dioxygen
Water dosage is ρ (H2O2): ρ COD is 2.5:1(mass ratio), ferrous sulfate dosage is n (Fe2+):n(H2O2) (molar ratio)=
1:15.The water outlet gravity flow in Fenton oxidation pond enters coagulative precipitation tank, and coagulative precipitation tank front end is added alkali, pH is adjusted to 8, herein
Equipped with online pH meter, ferrous sulfate and PAM, blender in coagulating basin are sequentially added, waste water mixing enters sufficiently and after reaction
Sedimentation basin, supernatant gravity flow enter hydrolysis acidification pool, and sludge enters sludge concentration tank.
Hydrolysis acidification bottom of pond portion is equipped with aerator and is equipped with filler, and waste water flows automatically entrance after hydrolysis acidification pool is handled
The aerobic pond MBR；Aerobic MBR bottom of pond portion is equipped with aeration plate, installs MBR curtain type membrane in pond, is separated by solid-liquid separation, and air blower is hydrolysis
Acidification pool, the aerobic pond MBR provide oxygen；The aerobic pond MBR is equipped with submersible sewage pump, carries out spoil disposal and sludge reflux by submersible sewage pump, dirty
Mud is discharged into sludge concentration tank, is back to hydrolysis acidification pool, and sludge reflux amount is 100%.MBR film is equipped with backwash, is controlled by PLC
Carry out the online backwash of film.The water outlet in the aerobic pond MBR squeezes into ozone oxidation tower by self priming pump X；
The water outlet of ozone oxidation tower enters intermediate water pot, and the water outlet of intermediate water pot squeezes into dual membrane system by booster pump, double
Membranous system is equipped with backwash, is controlled by PLC and realizes backwash.The concentrated water of reverse osmosis generation enters MVR vapo(u)rization system；
Sludge treating system includes sludge concentration tank and plate and frame filter press, the company between sludge concentration tank and plate and frame filter press
Adapter tube road is equipped with pipe-line mixer, and sludge treating system is used to carry out the sludge that coagulative precipitation tank, the aerobic pond MBR generate dense
Contracting, dehydration.
PLC system is the control system of present treatment system, realizes the automatic operating of waste water treatment system.
Wherein, neutralize water pot, low concentration conditioning tank, Fenton oxidation pond, coagulative precipitation tank, in ozone oxidation tower treatment facility
The dosage of medicament need to be adjusted according to the pollutant concentration of waste water.Waste water after processing, can reach that " municipal wastewater is made profits again
With urban reclaimed water water standard " recreational landscape water in (GB/T 18920-2002) and greening water, flushing supply
Standard.
Water outlet contamination index is shown in Table 2, table 3 after the present embodiment waste water design discharge standard and wastewater treatment.
Table 2 designs discharge standard
Unit: mg/L
3 processed waste water index of table
Unit: mg/L
Remarks: 0.5L indicates to be lower than detection limit 0.5.
The present embodiment is by using biological-chemical-physics mode, and treated, and waste water can qualified discharge.Waste water is through locating
The recreational landscape reached in " municipal wastewater regeneration urban reclaimed water water standard " (GB/T 18920-2002) after reason is used
The standard of water and greening water, flushing supply.
Claims (1)
1. a kind of pharmacy waste water recycling processing system, it is characterised in that it includes: PLC system, high concentration wastewater treatment system (I)
And comprehensive wastewater treatment system (II), wherein
High concentration wastewater treatment system (I) includes: hc effluent conditioning tank (1), neutralizes water pot (2), MVR vapo(u)rization system (3), crystalline substance
Starch storage tank (4), condensate water pot (5), solid-liquid separating machine (6)；
Comprehensive wastewater treatment system (II) includes: low density wastewater conditioning tank (7), Fenton oxidation pond (8), coagulative precipitation tank (9), water
Solve acidification pool (10), the aerobic pond MBR (11), ozone oxidation tower (12), intermediate water pot (13), dual membrane system (14), sludge condensation
Pond (15), plate and frame filter press (16)；
Hc effluent conditioning tank (1) front end is equipped with fine fack (A), submersible sewage pump (B), the sour chemicals dosing plant being equipped in pond
(C), alkali chemicals dosing plant (D) is connected with hc effluent conditioning tank (1) respectively, neutralizes water pot (2) and MVR vapo(u)rization system (3) even
It connects；
The MVR vapo(u)rization system (3) includes: filter (E), feed pump (F), Pistonless compressor (G), evaporator (H), heat exchange
Device (I), forced circulation pump (J), dope discharging pump (K), filtrate collecting tank (L), concentrated water elevator pump (M), concentrated water slot (N), reflux
It pumps (O)；Filter (E) is connect with feed pump (F), feed pump (F) by pipeline and evaporator (H) and forced circulation pump (J) it
Between pipeline connection, forced circulation pump (J) connect with evaporator (H) and heat exchanger (I) respectively, vapour compression machine (G) respectively with
Evaporator (H) is connected with the other end of heat exchanger (I), and the outlet pipe of evaporator (H) is connected with dope discharging pump (K), and dope goes out
Material pump (K) outlet is connect with magma storage tank (4), and the other end of magma storage tank (4) is connected with solid-liquid separating machine (6), solid-liquid point
(6) filtrate collecting tank (L) of disembarking is connected with concentrated water slot (N), and concentrated water slot (N) is connect with reflux pump (O), reflux pump (O) and steaming
It sends out device (H) to be connected, heat exchanger (I) is connected with condensate water pot (5)；
The condensate water pot (5) of the high concentration wastewater treatment system and the low density wastewater conditioning tank of comprehensive wastewater treatment system
(7) it connects, low density wastewater conditioning tank (7) front end is equipped with fine fack (P), and submersible sewage pump (Q), submersible sewage pump (Q) and Fenton are equipped in pond
Oxidation pond (8) is connected；
Fenton oxidation pond (8) front end is equipped with online pH meter, and bottom is equipped with aerator；Sour chemicals dosing plant (S), hydrogen peroxide
Chemicals dosing plant (T), ferrous sulfate chemicals dosing plant (U) are successively connected with Fenton oxidation pond (8) respectively；
Coagulative precipitation tank (9) front end is equipped with online pH meter, and coagulative precipitation tank is connected with hydrolysis acidification pool (10), and alkali adds
Medicine device (V), ferrous sulfate chemicals dosing plant (U), PAM- chemicals dosing plant (W) are successively connected with coagulative precipitation tank (9) respectively；
Hydrolysis acidification pool (10) bottom is equipped with aerator and is equipped with filler, while being connected with the aerobic pond MBR (11)；It is aerobic
MBR bottom of pond portion is equipped with aeration plate, installs MBR curtain type membrane (Y) in pond, submersible sewage pump (Z), the aerobic pond MBR pass through self priming pump (X) with it is smelly
The connection of oxygen oxidizing tower (12) one end；
The other end of ozone oxidation tower (12) is connected with intermediate water pot (13), intermediate water pot (13) other end and dual membrane system
(14) ultrafiltration intake pump (SA) connection；Dual membrane system include: ultrafiltration intake pump (SA), filter (SB), ultrafiltration apparatus (SC),
Ultrafiltration water producing tank (SD), booster pump (SE), accurate filter (SF), high-pressure pump (SG) and reverse osmosis unit (SH)；Ultrafiltration water inlet
Pump (SA), filter (SB), ultrafiltration apparatus (SC), ultrafiltration water producing tank (SD), booster pump (SE), accurate filter (SF), high pressure
Pump (SG) and reverse osmosis unit (SH) are sequentially connected；
Sludge concentration tank (15) one end is connected with coagulative precipitation tank (9) and the aerobic pond MBR (11), and the other end passes through screw pump
(AA) it is connected with plate and frame filter press (16)；
Connecting pipe between sludge concentration tank (15), plate and frame filter press (16) is equipped with pipe-line mixer, PAM+ chemicals dosing plant
(AB) it is connect with pipe-line mixer.
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| CN201821981422.1U CN209537216U (en) | 2018-11-29 | 2018-11-29 | A kind of recycling processing system of pharmacy waste water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116143332A (en) * | 2022-12-28 | 2023-05-23 | 苏州湛清环保科技有限公司 | Hydrogen production electrode wastewater zero discharge comprehensive utilization treatment system |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116143332A (en) * | 2022-12-28 | 2023-05-23 | 苏州湛清环保科技有限公司 | Hydrogen production electrode wastewater zero discharge comprehensive utilization treatment system |
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