CN114956446B - Zero release recycling system of pharmaceutical chemical industry waste water - Google Patents
Zero release recycling system of pharmaceutical chemical industry waste water Download PDFInfo
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- 239000002351 wastewater Substances 0.000 title claims abstract description 109
- 238000004064 recycling Methods 0.000 title claims abstract description 25
- 239000000126 substance Substances 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000010802 sludge Substances 0.000 claims description 43
- 238000004062 sedimentation Methods 0.000 claims description 42
- 238000005273 aeration Methods 0.000 claims description 29
- 238000003756 stirring Methods 0.000 claims description 26
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 15
- 230000015271 coagulation Effects 0.000 claims description 12
- 238000005345 coagulation Methods 0.000 claims description 12
- 238000005189 flocculation Methods 0.000 claims description 12
- 230000016615 flocculation Effects 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 210000005056 cell body Anatomy 0.000 claims description 8
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- 230000020477 pH reduction Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 206010021143 Hypoxia Diseases 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 230000002194 synthesizing effect Effects 0.000 abstract 1
- 239000003814 drug Substances 0.000 description 13
- 239000007787 solid Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000005276 aerator Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
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- 230000010354 integration Effects 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/18—Cyanides
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/343—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the pharmaceutical industry, e.g. containing antibiotics
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Engineering & Computer Science (AREA)
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- Hydrology & Water Resources (AREA)
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- Mechanical Engineering (AREA)
- Activated Sludge Processes (AREA)
Abstract
The utility model relates to a pharmaceutical chemical industry waste water zero release recycling system, including the fragrant system of improvement, the output of the fragrant system of improvement has connected gradually first comprehensive just heavy pond, middle promotion pond, evaporimeter intake pump, evaporimeter and comprehensive equalizing basin, and the output of synthesizing the equalizing basin is connected with biochemical intake pump, and biochemical intake pump's output has connected gradually the hydrolysis-acidification pond, synthesizes the anaerobism pond, synthesize the oxygen deficiency pond, synthesize good oxygen pond group, the second is synthesized and is just heavy pond, biochemical treatment pond group and the third is synthesized and just heavy pond. The application has the following expected technical effects: the method can treat the pollution factors of each type of wastewater in a targeted manner, treat the respective unique pollution factors after separate treatment, then sequentially merge and mix the pollution factors in a treatment process section of a comprehensive adjusting tank, mix various types of wastewater together, and uniformly treat common pollution factors in sequence until the physicochemical indexes of the wastewater quality reach the standard of pure water.
Description
Technical Field
The application relates to the technical field of chemical wastewater treatment, in particular to a pharmaceutical chemical wastewater zero-discharge recycling system.
Background
The pharmaceutical chemical wastewater is mainly divided into three main types, namely system A wastewater, system B wastewater and cyanide-containing wastewater, wherein the system A wastewater represents wastewater mainly containing tolualdehyde and ethanol, and the system B wastewater represents wastewater mainly containing aniline. The pharmaceutical chemical wastewater has the characteristics that: the main pollutants of the high-concentration organic wastewater have high salt content, high wastewater toxicity and poor biodegradability.
At present, when the pharmaceutical chemical wastewater is treated, the three types of wastewater are generally separately collected and then separately treated, the process is very complex, three sets of different treatment systems are needed for completion, the cost is high, the efficiency is not high, and meanwhile, the problem that the treatment cannot reach the standard can exist, so the improvement is needed.
Disclosure of Invention
The application provides a pharmaceutical chemical industry waste water zero release recycling system to improve following technical problem: at present when handling pharmaceutical chemical industry waste water, generally need separately to carry out separately the collection with above three kinds of waste water earlier separately, then carry out the independent processing, this process is very complicated, needs three sets of different processing systems just can accomplish moreover, and the cost is great, and efficiency is also not high, still can have the problem of handling not up to standard simultaneously.
The application provides a pharmaceutical chemical industry waste water zero release recycling system adopts following technical scheme:
a pharmaceutical chemical industry wastewater zero discharge recycling system comprises an improved Fenton system, wherein system A wastewater, system B wastewater and cyanide-containing wastewater respectively enter the improved Fenton system from different inlets, the output end of the improved Fenton system is sequentially connected with a first comprehensive primary sedimentation tank, an intermediate lifting tank, an evaporator water inlet pump, an evaporator and a comprehensive adjusting tank, the output end of the comprehensive adjusting tank is connected with a biochemical water inlet pump, and the output end of the biochemical water inlet pump is sequentially connected with a hydrolysis acidification tank, a comprehensive anaerobic tank, a comprehensive anoxic tank, a comprehensive aerobic tank, a second comprehensive primary sedimentation tank, a biochemical treatment tank and a third comprehensive primary sedimentation tank;
the sludge discharging ports at the bottoms of the first comprehensive primary sedimentation tank, the evaporator and the third comprehensive primary sedimentation tank are connected into a sludge storage tank through sludge pipes, and the sludge storage tank is connected with a sludge dewatering unit;
and a water outlet of the third comprehensive primary sedimentation tank is connected with a tail end water drainage unit through a waste water pipe.
Optionally, the improvement fenton system is including the first pond of adding medicine, the second pond of adding medicine, the third pond of adding medicine, the fourth pond of adding medicine and the fifth medicine pond that arranges in proper order, first add the medicine pond with first comprehensive preliminary sedimentation pond is connected, the fifth medicine pond is connected with A system wastewater disposal basin, the third adds the medicine pond and is connected with B system wastewater disposal basin, B system wastewater disposal basin keeps away from one side that the third added the medicine pond is connected with and contains cyanide wastewater disposal basin.
Through adopting above-mentioned technical scheme, through designing a plurality of medicine ponds that add to separately handle A system waste water, B system waste water and contain cyanide waste water, mutual noninterference, but most infrastructure still can be shared, cost is lower.
Optionally, the comprehensive aerobic tank group comprises a first comprehensive aerobic tank and a second comprehensive aerobic tank, the first comprehensive aerobic tank is connected with the comprehensive anoxic tank, and the second comprehensive aerobic tank is connected with the second comprehensive primary sedimentation tank.
By adopting the technical scheme, the first comprehensive aerobic tank and the second comprehensive aerobic tank are separately designed, so that aerobic reaction can be more thorough, and the treatment effect on wastewater is better.
Optionally, the tail-end drainage unit includes a comprehensive clean water tank, a total drainage lift pump, an integrated RO recycling device, a final flow measuring tank and a standard total drainage tank, which are connected in sequence, and the comprehensive clean water tank is connected with the third comprehensive primary sedimentation tank.
Through adopting above-mentioned technical scheme, integration RO retrieval and utilization device plays purification and filtering action, can carry out the filtering with impurity such as macromolecule group, colloid, slight silt in the discharge water, reaches the purpose of purified water, and then the water of totality exhaust is clean harmless more.
Optionally, the biochemical treatment pool group comprises a biochemical coagulation pool and a biochemical flocculation pool, the biochemical coagulation pool is connected with the second comprehensive primary sedimentation pool, and the biochemical flocculation pool is connected with the third comprehensive primary sedimentation pool.
Through adopting above-mentioned technical scheme, biochemical coagulation pond and biochemical flocculation basin separately design, biochemical reaction can be more thorough, and is better to the treatment effect of waste water.
Optionally, the system a wastewater tank, the system B wastewater tank, the cyanide-containing wastewater tank, the second dosing tank, the third dosing tank, the fifth dosing tank, the first comprehensive aerobic tank, the second comprehensive aerobic tank, the biochemical coagulation tank and the biochemical flocculation tank are all connected with an aeration system.
Through adopting above-mentioned technical scheme, aeration systems can stir the liquid that corresponds the pond in, and then be favorable to waste water in each pond body and the abundant reaction of medicine that corresponds to handle.
Optionally, aeration systems is including being located inside aerator pipe, air feed pipe and the aeration blower of each cell body, air feed pipe connect in the top of aerator pipe with between the air outlet of aeration blower, the aerator pipe is the shape of falling T, just the bottom of aerator pipe is provided with a plurality of gas outlets of arranging up.
Through adopting above-mentioned technical scheme, the aeration systems of above-mentioned design, can be accurate carry the high-pressure draught to each cell body that corresponds inside, gaseous bottom that can all follow the cell body in addition evenly discharges, and the aeration effect is better.
Optionally, the sludge dewatering unit comprises a sludge concentration tank and a plate-and-frame filter press which are sequentially connected, and the sludge concentration tank is connected with the sludge storage pool.
By adopting the technical scheme, the sludge concentration tank and the plate-and-frame filter press can fully separate solid from liquid of the sludge obtained by treatment, finally form a sludge cake, and are convenient to transport and treat.
Optionally, stirring units are arranged in the first comprehensive primary sedimentation tank and the third comprehensive primary sedimentation tank.
Through adopting above-mentioned technical scheme, the stirring unit can fully stir the scattering with the solid in the sewage to tiny solid fully deposits for mud, makes things convenient for mud to concentrate the discharge.
Optionally, the stirring unit includes mounting bracket, agitator motor and stirring rake, the mounting bracket is located cell body internally mounted, agitator motor install in the top intermediate position department of mounting bracket, agitator motor's output shaft arrange down and with the stirring rake is connected.
Through adopting above-mentioned technical scheme, the stirring unit of above-mentioned design, stable in structure is difficult for rocking when moving, and the assembly and maintenance is more convenient moreover.
In summary, the present application includes at least one of the following beneficial technical effects:
1. aiming at the wastewater of the system A, the wastewater of the system B and the wastewater containing cyanide, the respective specific treatment can be carried out according to the pollution factors of each type of wastewater, the respective unique pollution factors are treated after the separate treatment, then the different types of wastewater are sequentially merged and mixed in a treatment process section of a comprehensive adjusting tank, the common pollution factors are uniformly treated in sequence after the various types of wastewater are mixed together, the wastewater is treated until the physicochemical indexes of the quality of the wastewater reach the standard of pure water, then the wastewater enters a workshop for recycling, the pollution factors of the whole system are concentrated into sludge, and the sludge is subjected to harmless treatment;
2. the emission standard and the production requirement required by an environmental protection supervision department are met, the standard emission is ensured, the transformation cost and the operation cost are reduced as much as possible, the old environmental protection facility can be utilized as much as possible, and the secondary waste of newly-input equipment in the transformation is avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a zero discharge recycling system for pharmaceutical chemical wastewater according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a stirring unit in the embodiment of the present application.
Description of reference numerals:
101. a Fenton system is improved; 11. a first dosing tank; 12. a second dosing tank; 13. a third dosing tank; 14. a fourth dosing tank; 15. a fifth medicine pool; 102. a first comprehensive primary sedimentation tank; 103. a middle lifting pond; 104. an evaporator water inlet pump; 105. an evaporator; 106. a comprehensive adjusting tank; 107. a biochemical water inlet pump; 108. a hydrolysis acidification pool; 109. a comprehensive anaerobic tank; 110. a comprehensive anoxic tank; 111. a comprehensive aerobic tank group; 1111. a first comprehensive aerobic tank; 1112. a second comprehensive aerobic tank; 112. a second comprehensive primary sedimentation tank; 113. a biochemical treatment tank group; 131. a biochemical coagulation tank; 132. a biochemical flocculation tank; 114. a third comprehensive primary sedimentation tank; 115. a sludge storage tank; 116. a sludge dewatering unit; 161. a sludge concentration tank; 162. a plate-and-frame filter press; 117. a terminal drainage unit; 171. a comprehensive clean water tank; 172. a main row lift pump; 173. an integrated RO recycling device; 174. a final flow measuring pool; 175. a standard-reaching total discharge pool; 118. an aeration system; 181. an aeration pipe; 182. an air supply duct; 183. an aeration blower; 119. a stirring unit; 191. a mounting frame; 192. a stirring motor; 193. a stirring paddle; 120. a, a system wastewater pool; 121. a wastewater pool of the system B; 122. a cyanide-containing wastewater pool.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses pharmaceutical chemical industry waste water zero release recycling system. Referring to fig. 1, a pharmaceutical chemical wastewater zero discharge recycling system includes an improved fenton system 101, a system wastewater and a cyanide-containing wastewater respectively enter the improved fenton system 101 from different inlets, the system wastewater represents wastewater mainly containing toluene, formaldehyde and ethanol, the system wastewater represents wastewater mainly containing aniline, the output end of the improved fenton system 101 is sequentially connected with a first comprehensive primary sedimentation tank 102, an intermediate lifting tank 103, an evaporator water inlet pump 104, an evaporator 105 and a comprehensive regulation tank 106, the output end of the comprehensive regulation tank 106 is connected with a biochemical water inlet pump 107, the output end of the biochemical water inlet pump 107 is sequentially connected with a hydrolysis acidification tank 108, a comprehensive anaerobic tank 109, a comprehensive anoxic tank 110, a comprehensive aerobic tank group 111, a second comprehensive primary sedimentation tank 112, a biochemical treatment tank group 113 and a third comprehensive primary sedimentation tank 114; sludge outlets at the bottoms of the first comprehensive primary sedimentation tank 102, the evaporator 105 and the third comprehensive primary sedimentation tank 114 are connected into a sludge storage tank 115 through sludge pipes, and the sludge storage tank 115 is connected with a sludge dewatering unit 116; the water outlet of the third comprehensive primary sedimentation tank 114 is connected with a terminal water discharge unit 117 through a waste water pipe.
The improved Fenton system 101 comprises a first dosing tank 11, a second dosing tank 12, a third dosing tank 13, a fourth dosing tank 14 and a fifth dosing tank 15 which are sequentially arranged, wherein the first dosing tank 11 is connected with a first comprehensive primary sedimentation tank 102, the fifth dosing tank 15 is connected with a system A wastewater tank 120, the third dosing tank 13 is connected with a system B wastewater tank 121, and one side, far away from the third dosing tank 13, of the system B wastewater tank 121 is connected with a cyanide-containing wastewater tank 122.
Through designing a plurality of dosing ponds to separately handle A system waste water, B system waste water and cyanide containing waste water, mutual noninterference, but again most infrastructure, the cost is lower.
The integrated aerobic tank group 111 comprises a first integrated aerobic tank 1111 and a second integrated aerobic tank 1112, wherein the first integrated aerobic tank 1111 is connected with the integrated anoxic tank 110, and the second integrated aerobic tank 1112 is connected with the second integrated primary sedimentation tank 112. The first integrated aerobic tank 1111 and the second integrated aerobic tank 1112 are separately designed, so that the aerobic reaction can be more thorough, and the treatment effect on the wastewater is better.
The tail end drainage unit 117 comprises a comprehensive clean water tank 171, a main drainage lift pump 172, an integrated RO recycling device 173, a final flow measuring tank 174 and a standard reaching main drainage tank 175 which are connected in sequence, wherein the comprehensive clean water tank 171 is connected with the third comprehensive primary sedimentation tank 114.
Integration RO retrieval and utilization device 173 plays purification and filtering action, can carry out the filtering with impurity such as macromolecule group, colloid, slight silt in the exhaust water, reaches the purpose of purified water, and then the water of overall discharge is clean harmless more.
The biochemical treatment pool group 113 comprises a biochemical coagulation pool 131 and a biochemical flocculation pool 132, the biochemical coagulation pool 131 and the second comprehensive primary sedimentation pool 112 are connected, the biochemical flocculation pool 132 and the third comprehensive primary sedimentation pool 114 are connected, the biochemical coagulation pool 131 and the biochemical flocculation pool 132 are designed separately, biochemical reaction can be more thorough, and the treatment effect on wastewater is better.
The system A wastewater tank 120, the system B wastewater tank 121, the cyanide-containing wastewater tank 122, the second dosing tank 12, the third dosing tank 13, the fifth dosing tank 15, the first comprehensive aerobic tank 1111, the second comprehensive aerobic tank 1112, the biochemical coagulation tank 131 and the biochemical flocculation tank 132 are all connected with an aeration system 118. The aeration system 118 may agitate the liquid in the respective tanks, thereby facilitating the full reaction treatment of the wastewater with the respective drugs in each tank.
The aeration system 118 comprises aeration pipes 181, air supply pipelines 182 and aeration blowers 183 which are positioned inside each tank body, the air supply pipelines 182 are connected between the tops of the aeration pipes 181 and the air outlets of the aeration blowers 183, the aeration pipes 181 are inverted T-shaped, and the bottoms of the aeration pipes 181 are provided with a plurality of air outlets which are arranged upwards.
The aeration system 118 of above-mentioned design, can be accurate carry the high-pressure draught to each cell body that corresponds inside, gaseous bottom that can follow the cell body basically all discharges evenly moreover, and the aeration effect is better.
The sludge dewatering unit 116 comprises a sludge concentration tank 161 and a plate-and-frame filter press 162 which are sequentially connected, the sludge concentration tank 161 is connected with a sludge storage pool 115, the sludge concentration tank 161 and the plate-and-frame filter press 162 can fully separate solid and liquid of the sludge obtained by treatment, and finally a sludge cake is formed, so that the sludge dewatering unit is convenient to transport and treat.
Referring to fig. 1 and 2, stirring units 119 are disposed in the first comprehensive primary sedimentation tank 102 and the third comprehensive primary sedimentation tank 114, and the stirring units 119 can sufficiently stir up solids in the sewage so that fine solids are sufficiently precipitated into sludge, thereby facilitating the concentrated discharge of the sludge.
The implementation principle of a pharmaceutical chemical industry waste water zero release recycling system of the embodiment of the application is as follows:
1. aiming at the wastewater of the system A, the wastewater of the system B and the wastewater containing cyanide, the respective specific treatment can be carried out according to the pollution factors of each type of wastewater, the respective unique pollution factors are treated after the separate treatment, then the different types of wastewater are sequentially merged and mixed in the treatment process section of the comprehensive adjusting tank 106, after the various types of wastewater are mixed together, the common pollution factors are sequentially treated in a unified way until the physicochemical indexes of the wastewater quality reach the standard of pure water, then the wastewater enters a workshop for recycling, the pollution factors of the whole system are concentrated into sludge, and the sludge is subjected to harmless treatment.
2. The emission standard and the production requirement required by an environmental protection supervision department are met, the standard emission is ensured, the transformation cost and the operation cost are reduced as much as possible, the old environmental protection facilities can be utilized as much as possible, and the secondary waste of newly-input equipment during the transformation is avoided.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (8)
1. The utility model provides a pharmaceutical chemical industry waste water zero release recycling system which characterized in that: the improved Fenton system comprises an improved Fenton system (101), wherein system A wastewater, system B wastewater and cyanide-containing wastewater respectively enter the improved Fenton system (101) from different inlets, the system A wastewater is wastewater containing toluene, formaldehyde and ethanol, the system B wastewater is wastewater containing aniline, the output end of the improved Fenton system (101) is sequentially connected with a first comprehensive primary sedimentation tank (102), a middle lifting tank (103), an evaporator water inlet pump (104), an evaporator (105) and a comprehensive adjusting tank (106), the output end of the comprehensive adjusting tank (106) is connected with a biochemical water inlet pump (107), and the output end of the biochemical water inlet pump (107) is sequentially connected with a hydrolysis acidification tank (108), a comprehensive anaerobic tank (109), a comprehensive anoxic tank (110), a comprehensive aerobic tank set (111), a second comprehensive primary sedimentation tank (112), a biochemical treatment tank set (113) and a third comprehensive primary sedimentation tank (114);
sludge outlets at the bottoms of the first comprehensive primary sedimentation tank (102), the evaporator (105) and the third comprehensive primary sedimentation tank (114) are connected into a sludge storage tank (115) through sludge pipes, and the sludge storage tank (115) is connected with a sludge dewatering unit (116);
a water outlet of the third comprehensive primary sedimentation tank (114) is connected with a tail end water drainage unit (117) through a waste water pipe;
the improved Fenton system (101) comprises a first dosing tank (11), a second dosing tank (12), a third dosing tank (13), a fourth dosing tank (14) and a fifth dosing tank (15) which are sequentially arranged, wherein the first dosing tank (11) is connected with the first comprehensive primary sedimentation tank (102), the fifth dosing tank (15) is connected with a system A wastewater tank (120), the third dosing tank (13) is connected with a system B wastewater tank (121), and one side, away from the third dosing tank (13), of the system B wastewater tank (121) is connected with a cyanide-containing wastewater tank (122); the biochemical treatment pool group (113) comprises a biochemical coagulation pool (131) and a biochemical flocculation pool (132), the biochemical coagulation pool (131) is connected with the second comprehensive primary sedimentation pool (112), and the biochemical flocculation pool (132) is connected with the third comprehensive primary sedimentation pool (114).
2. The pharmaceutical chemical wastewater zero-discharge recycling system according to claim 1, characterized in that: the integrated aerobic pool group (111) comprises a first integrated aerobic pool (1111) and a second integrated aerobic pool (1112), the first integrated aerobic pool (1111) is connected with the integrated anoxic pool (110), and the second integrated aerobic pool (1112) is connected with the second integrated primary sedimentation pool (112).
3. The pharmaceutical chemical wastewater zero-discharge recycling system according to claim 2, characterized in that: the tail end drainage unit (117) comprises a comprehensive clean water tank (171), a total drainage lift pump (172), an integrated RO recycling device (173), a final flow measuring tank (174) and a standard-reaching total drainage tank (175) which are sequentially connected, wherein the comprehensive clean water tank (171) is connected with the third comprehensive primary sedimentation tank (114).
4. The pharmaceutical chemical wastewater zero-discharge recycling system according to claim 2, characterized in that: the system A wastewater tank (120), the system B wastewater tank (121), the cyanide-containing wastewater tank (122), the second dosing tank (12), the third dosing tank (13), the fifth dosing tank (15), the first comprehensive aerobic tank (1111), the second comprehensive aerobic tank (1112), the biochemical coagulation tank (131) and the biochemical flocculation tank (132) are all connected with an aeration system (118).
5. The pharmaceutical chemical wastewater zero-discharge recycling system according to claim 4, characterized in that: aeration system (118) are including being located inside aeration pipe (181), air feed pipeline (182) and the aeration blower (183) of each cell body, air feed pipeline (182) connect in the top of aeration pipe (181) with between the air outlet of aeration blower (183), aeration pipe (181) are the shape of falling T, just the bottom of aeration pipe (181) is provided with a plurality of gas outlets of arranging up.
6. The pharmaceutical chemical wastewater zero-discharge recycling system according to claim 1, characterized in that: the sludge dewatering unit (116) comprises a sludge concentration tank (161) and a plate-and-frame filter press (162) which are sequentially connected, and the sludge concentration tank (161) is connected with the sludge storage pool (115).
7. The pharmaceutical chemical wastewater zero-discharge recycling system according to claim 1, characterized in that: stirring units (119) are arranged in the first comprehensive primary sedimentation tank (102) and the third comprehensive primary sedimentation tank (114).
8. The pharmaceutical chemical wastewater zero-discharge recycling system according to claim 7, characterized in that: the stirring unit (119) comprises a mounting frame (191), a stirring motor (192) and a stirring paddle (193), the mounting frame (191) is located inside the pool body, the stirring motor (192) is mounted in the middle of the top of the mounting frame (191), and an output shaft of the stirring motor (192) is arranged downwards and is connected with the stirring paddle (193).
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| CN210711182U (en) * | 2019-09-20 | 2020-06-09 | 重庆思同科技有限公司 | Pharmaceutical intermediate waste water treatment system and pretreatment system |
| CN111517559A (en) * | 2020-03-02 | 2020-08-11 | 东北电力大学 | Process system and method for treating wastewater generated in amino ether production process |
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| CN204644056U (en) * | 2015-04-17 | 2015-09-16 | 浙江海洋学院 | A kind of organic sewage treatment device |
| CN207581590U (en) * | 2017-10-16 | 2018-07-06 | 安徽思图环保科技有限公司 | A kind of processing unit of pharmaceutical intermediate wastewater |
| CN210237408U (en) * | 2019-07-11 | 2020-04-03 | 杭州佰盛环保科技有限公司 | Poisonous waste water treatment equipment of resin production |
| CN111470718A (en) * | 2020-04-15 | 2020-07-31 | 河南恒安环保科技有限公司 | Comprehensive wastewater treatment method for bismuth pectin bulk drug, acridone acetic acid, acyclovir and thiodipropionate medical intermediate |
| CN113402117A (en) * | 2021-06-18 | 2021-09-17 | 无锡普力环保科技有限公司 | Pharmaceutical wastewater treatment process |
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| CN210711182U (en) * | 2019-09-20 | 2020-06-09 | 重庆思同科技有限公司 | Pharmaceutical intermediate waste water treatment system and pretreatment system |
| CN111517559A (en) * | 2020-03-02 | 2020-08-11 | 东北电力大学 | Process system and method for treating wastewater generated in amino ether production process |
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