CN213680244U - Pharmacy effluent disposal system - Google Patents
Pharmacy effluent disposal system Download PDFInfo
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- CN213680244U CN213680244U CN202022470022.8U CN202022470022U CN213680244U CN 213680244 U CN213680244 U CN 213680244U CN 202022470022 U CN202022470022 U CN 202022470022U CN 213680244 U CN213680244 U CN 213680244U
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Abstract
The application relates to a pharmaceutical wastewater treatment system, which comprises a water collecting well, an adjusting tank, an emergency tank, a coagulation reaction tank, a flocculation reaction tank, a coagulation sedimentation tank, an intermediate water tank, an ozone oxidation tower, a hydrolysis acidification tank, a contact oxidation tank and a sedimentation tank, wherein the effluent of the contact oxidation tank enters the sedimentation tank for solid-liquid separation, and the indexes of the supernatant reach the three-level discharge standard; supernatant discharged from the sedimentation tank enters a clean water tank, and ozone is aerated in the tank; the pharmacy wastewater treatment system further comprises an ornamental tank, clear water of the clear water tank after ozone exposure treatment is received, a standard discharge port is arranged at the downstream of the ornamental tank, and water of pharmacy wastewater after treatment reaches the standard is discharged from the standard discharge port. Through the design, the wastewater can reach the national allowable discharge standard after being treated. The pharmaceutical wastewater treatment system of the application presents excellent technical effects as described in the specification.
Description
Technical Field
The utility model discloses serve pharmacy effluent disposal field relates to a pharmacy effluent disposal system, especially relates to a pharmacy effluent disposal system that can conveniently understand waste water treatment effect directly perceived.
Background
With the gradual deterioration of the earth environment and the reduction of the bearing capacity, the expectations of people for energy conservation and environmental protection are gradually increased, and pollutants of pharmaceutical enterprises need to be treated and can be discharged after reaching standards. The pharmaceutical wastewater has the characteristics of complex components, various organic pollutants, high concentration, difficult biodegradation, toxic substances and the like, and is one of the industrial wastewater which is difficult to treat. How to treat pharmaceutical wastewater and make the pharmaceutical wastewater reach the standard for discharge is a difficult problem of environmental protection at present. Therefore, how to effectively treat the waste water and discharge the waste water after reaching the standard becomes one of the problems which need to be solved urgently by pharmaceutical enterprises.
The prior art discloses a treatment method of pharmaceutical wastewater, and CN208182812U (2018205212679) discloses a pharmaceutical wastewater treatment system, which comprises a wastewater collection tank, wherein the water outlet end of the wastewater collection tank is communicated with a hydrolysis tank through a pipeline, the water outlet end of the hydrolysis tank is communicated with an electrolytic tank through a pipeline, the water outlet end of the electrolytic tank is communicated with an ozone generator through a pipeline, and the water outlet end of the ozone generator is communicated with a sedimentation tank through a pipeline. It is believed that the utility model discloses a waste water collecting pit, the pond of hydrolysising, the electrolytic bath, ozone generator, the sedimentation tank, the disinfection pond, membrane filter, the evaporimeter, reuse water tank, sour throwing feeder apparatus and alkali throw feeder apparatus's setting, a pharmacy effluent disposal system has been found jointly, can get rid of the organic matter in the pharmacy waste water effectively, make it satisfy the emission requirement, all held back organic pollutant in the aquatic, the phosphate, the bacterium, the virus, parasitic ova etc. in the system, it is stable to have accomplished the operation, and the energy consumption is few, the operation cost is low, and convenient popularization and application.
CN207158999U (2017210237347) discloses a pharmaceutical wastewater treatment system. The pharmaceutical wastewater treatment system comprises a wastewater collection tank, a first pH adjusting tank, an iron-carbon micro-electrolysis device, a second pH adjusting tank, a sedimentation tank, an ozone treatment device, a third pH adjusting tank and an evaporator; the waste water collecting pool is used for collecting pharmaceutical waste water, the first pH adjusting pool is mainly used for adjusting the pH value of the pharmaceutical waste water, the second pH adjusting pool is used for adjusting the electrolytic waste water transferred from the iron-carbon micro-electrolysis device into alkalinity, the ozone treatment device is used for further disinfecting, decoloring and deodorizing the supernatant waste water, and the evaporator is used for evaporating the oxidized waste water treated by the third pH adjusting pool and receiving evaporation products. The pharmaceutical wastewater treatment system can meet the technological process requirements of the pharmaceutical wastewater treatment method on the whole, effectively avoid the problem of pipeline blockage in the evaporation treatment of the evaporator, has good treatment effect on the pharmaceutical wastewater, and can effectively improve the biodegradability of the pharmaceutical wastewater.
CN209352710U (2018212003771) discloses a pharmaceutical wastewater treatment system, in which primary effluent is softened by sodium hydroxide and sodium carbonate in a softening reaction tank, enters a coagulation reaction device, is added with a coagulant for coagulation reaction, then enters a flocculation reaction device, is added with PAM for flocculation reaction, is subjected to solid-liquid separation by a solid-liquid separation device, supernatant enters a pH adjusting tank, and sludge enters a sludge tank; the effluent enters an advanced oxidation device after the pH is adjusted, the advanced oxidation effluent enters an intermediate water tank and stays for a period of time, then enters a biochemical tank for denitrification reaction, biochemical sludge enters a sludge concentration tank, produced water enters an ultrafiltration system after passing through a sand filter and a security filter, and then enters a reverse osmosis system, reverse osmosis produced water is recycled, and concentrated water is discharged through a nano pipe. The utility model is believed to be capable of deeply treating pharmaceutical wastewater and recycling reclaimed water, and has obvious economic, social and environmental benefits.
CN211226832U (2019222494469) discloses a pharmacy effluent disposal system, belongs to waste water treatment technical field, this pharmacy effluent disposal system, include along pretreatment unit, UASB reactor, aeration sedimentation tank, AO pond and the secondary sedimentation tank that waste water treatment direction set gradually, pretreatment unit include the grid well, with the equalizing basin that the grid well delivery port is connected and with the air supporting pond that the equalizing basin delivery port is connected, sludge thickening tank is connected respectively to air supporting pond, aeration sedimentation tank and secondary sedimentation tank, sludge dewatering computer lab is connected to sludge thickening tank, the partial mud of secondary sedimentation tank flows back to the section of intaking in AO pond, the play water part in AO pond flow back extremely the section of intaking in AO pond. The utility model discloses a pollutant concentration in the pharmacy waste water can effectively be reduced, the requirement that makes waste water reach relevant standard is believed.
CN205710341U (2016206481669) discloses a pharmacy effluent disposal system, including the waste water collecting tank, sedimentation tank, catalytic oxidation pond, comprehensive reaction tank, equalizing basin, oxygen deficiency pond, good oxygen pond, two heavy ponds, disinfection pond, multi-media filter, active carbon filter, the pond of recycling that connects gradually, still include earlier on disinfection pond, the ozone generator that catalytic oxidation pond provided ozone, be equipped with pH value testing arrangement in the waste water equalizing basin, the waste water equalizing basin still connects sour throw in quick-witted device, alkali and throws in the device, sedimentation tank, two heavy ponds all are connected with PAC and throw in the device, store the domestic sewage after the grid well filters in the equalizing basin, still include the sludge pump that takes out the mud in two heavy ponds to good oxygen pond, sludge concentration ground. The scheme is believed to lead the effluent to be clear, has low SS content, and has the advantages of stable operation, compact structure and simple maintenance because organic pollutants, phosphate, bacteria, viruses, parasitic ova and the like in the water are all trapped in the system.
However, there is still a need for a new pharmaceutical wastewater treatment method and a new pharmaceutical wastewater treatment system, such as a new pharmaceutical wastewater treatment system that can intuitively and conveniently understand the wastewater treatment effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a new pharmacy effluent disposal method and pharmacy effluent disposal system, especially provide a new pharmacy effluent disposal system that can conveniently understand the effluent disposal effect directly perceived. According to the pharmaceutical wastewater condition of the applicant, the method adopts' coagulating sedimentation + O3The combined treatment process of + contact oxidation' is used as a main process, and the effective treatment of the pharmaceutical wastewater is realized. The technical scheme is specifically adopted in the application.
The application provides a pharmacy effluent disposal system, its characterized in that, it includes following subsystem in proper order:
the water collecting well is used for receiving pharmaceutical wastewater to be treated discharged by production;
the adjusting tank is used for receiving the wastewater from the water collecting well and adjusting the water quantity of the previous and subsequent processes;
the emergency pool is used for emergency storage of excessive wastewater between the water collecting well and the regulating pool;
a coagulation reaction tank in which wastewater from the conditioning tank is subjected to coagulation reaction under the condition of adding a chemical agent (for example, sodium hydroxide, polyaluminium chloride (PAC));
the flocculation reaction tank is used for carrying out flocculation reaction on the wastewater subjected to the coagulation reaction through an added coagulant aid PAM;
the coagulation sedimentation tank is used for allowing the wastewater treated by the coagulation reaction tank and the flocculation reaction tank to stay in the coagulation sedimentation tank so as to fully precipitate the wastewater;
the supernatant discharged from the coagulating sedimentation tank is temporarily stored in the intermediate water tank and is used as the inlet water of the subsequent process;
the ozone oxidation tower is used for carrying out advanced oxidation on the pretreated effluent through the ozone oxidation tower, so that macromolecular and nondegradable substances in the wastewater are further converted into micromolecular and easily degradable organic matters, and the biodegradability of the wastewater is further improved;
a hydrolysis acidification pool, wherein the wastewater converts macromolecular organic matters in the wastewater into micromolecular organic matters under the anaerobic condition in the hydrolysis acidification pool, improves the biodegradability of the wastewater and removes COD and BOD5；
The wastewater after anaerobic treatment enters the contact oxidation tank to degrade COD and BOD in the water body5The ammonia nitrogen in the water body is converted into nitrate and nitrite, so that the ammonia nitrogen in the water body is reduced;
the effluent of the contact oxidation tank enters the sedimentation tank for solid-liquid separation, and the supernatant index reaches the third-level discharge standard; discharging sludge in the sedimentation tank into a sludge collecting well, intermittently discharging into a sludge concentration tank, concentrating, and then feeding into a sludge filter press to obtain sludge;
the supernatant discharged from the sedimentation tank enters a clean water tank, and the clean water tank is aerated with ozone for treatment;
the ornamental tank is filled with clear water from a clear water tank after ozone exposure treatment, a standard discharge port is arranged at the downstream of the ornamental tank, and water after pharmaceutical wastewater is treated to reach the standard is discharged from the standard discharge port.
The pharmaceutical wastewater treatment system according to the application is characterized in that the ornamental tank is divided into an upstream area and a downstream area, the upstream area and the downstream area are connected through a narrow passage, a stainless steel net with an aperture smaller than one centimeter is arranged at the narrow passage to prevent objects with the size exceeding the aperture from passing between the upstream area and the downstream area, and the area of the water body in the downstream area is more than five times, such as more than five times, six times, seven times, eight times or more than ten times, of the upstream area.
The pharmaceutical wastewater treatment system is characterized in that the front end of the upstream area of the ornamental pond receives water from a clean water pond, and the water in the clean water pond falls into the ornamental pond in a water fall mode at a height of at least fifty centimeters.
The pharmaceutical wastewater treatment system is characterized in that an air aeration device is arranged under a water body at a water waterfall receiving position of an upstream area of the ornamental pond.
The pharmaceutical wastewater treatment system is characterized in that an ornamental bridge is arranged on the air at the joint of the upstream area and the downstream area of the ornamental pond. The ornamental bridge is convenient for an observer to know the working condition of the ornamental pool or the growth condition of animals and plants in the ornamental pool.
The pharmacy wastewater treatment system according to this application, characterized in that sets up discharge port up to standard at the end of viewing pond downstream area.
Through the design of this application, can make waste water reach the national discharge standard after handling, especially, carry out the ozone treatment of exposing to the sun at the clean water pond, then set up the air aeration device in ornamental pond upper reaches district waterfall receives water department, and ozone treatment and the air aeration device of exposing to the sun set up simultaneously and can make ornamental fish (for example goldfish) breed in ornamental pond downstream district more than one year, and if ozone treatment and the air aeration device of exposing to the sun set up only one or both do not set up, then the ornamental fish is difficult to survive to two months.
Any technical feature possessed by any one aspect of the present application or any embodiment of that one aspect may be equally applicable to any other embodiment or any embodiment of any other aspect, so long as they are not mutually contradictory, although appropriate modifications may be made to the respective features as necessary when applicable to each other. Various aspects and features of the disclosure are described further below.
All documents cited in this application are incorporated herein by reference in their entirety and to the extent that the meaning of such documents is inconsistent with this application, the express disclosure of this application controls. Further, the various terms and phrases used herein have the ordinary meaning as is known to those skilled in the art, and even so, it is intended that the present application be more fully described and interpreted herein, to the extent that such terms and phrases are not inconsistent with this known meaning and from the context in which such terms and phrases are expressed.
In the present application, the directional terms, such as water flowing from an upstream zone to a downstream zone of an ornamental pond, will be understood in conjunction with the description and drawings, for example, describing the upstream and downstream zones of the ornamental pond.
The pharmaceutical wastewater treatment system of the present application exhibits superior technical effects as described herein in one or more aspects.
Drawings
FIG. 1 is a schematic diagram of the pharmaceutical wastewater treatment system of the present invention.
Fig. 2 is a schematic structural composition diagram of an ornamental tank according to an embodiment of the pharmaceutical wastewater treatment system of the present invention.
The markings of some of the main designs of the ornamental ponds to which this application relates are summarized below: the device comprises an upstream area 11, a downstream area 12, a narrow channel 13, a stainless steel net 14, a water fall 15, an air aeration device 16, an ornamental bridge 17, a standard discharge port 18 and ornamental fish 19.
Detailed Description
The present application can be further described by the following examples, however, the scope of the present application is not limited to the following examples. Those skilled in the art will appreciate that various changes and modifications can be made to the present application without departing from the spirit and scope of the application. The materials used in the tests and the test methods are generally and/or specifically described herein. Although many materials and methods of operation are known in the art for the purposes of this application, this application is nevertheless described herein in detail as far as possible. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art, and the raw materials used are commercially available products.
The present application is further described with reference to the accompanying drawings. Fig. 1 is a schematic diagram of the pharmaceutical wastewater treatment system of the present invention, and fig. 2 is a schematic diagram of the structure of an ornamental tank according to an embodiment of the pharmaceutical wastewater treatment system of the present invention.
The application provides a pharmacy effluent disposal system, its characterized in that, it includes following subsystem in proper order:
the water collecting well is used for receiving pharmaceutical wastewater to be treated discharged by production; generally speaking, wastewater enters a grid-shaped water collecting well through a factory drainage pipeline, the grid-shaped water collecting well can be designed to be a full underground steel-concrete structure, a mechanical grid is arranged in the well, and after large suspended matters in the wastewater are removed through the grid, the wastewater is lifted to a subsequent regulating reservoir through a pump in a first stage;
the adjusting tank is used for receiving the wastewater from the water collecting well and adjusting the water quantity of the previous and subsequent processes; generally speaking, the regulating reservoir can be designed into a semi-underground steel-concrete structure, a lift pump is arranged in the regulating reservoir, and an electromagnetic flowmeter can be arranged at the outlet of the water pump so as to count the flow rate;
the emergency pool is used for emergency storage of excessive wastewater between the water collecting well and the regulating pool;
a coagulation reaction tank in which wastewater from the conditioning tank is subjected to coagulation reaction under the condition of adding a chemical agent (for example, sodium hydroxide, polyaluminium chloride (PAC)); generally speaking, in a coagulation sedimentation tank, COD in wastewater is very high, non-soluble pollutants can be removed through dosing flocculation, part of COD is removed so as to improve the biodegradability of the wastewater and reduce the pressure of subsequent advanced oxidation, and the quality of incoming water is acidic, so that the pH value of the incoming water is adjusted by using caustic soda flakes, and then coagulant is added, and the coagulation retention time is usually thirty minutes to meet the requirement;
the flocculation reaction tank is used for carrying out flocculation reaction on the wastewater subjected to the coagulation reaction through an added coagulant aid PAM; generally speaking, wastewater enters a flocculation tank through self-flowing, and a PAM coagulant aid is added into the tank, so that flocs in the flocculation tank are further increased, and the subsequent sedimentation effect is ensured; a flocculation residence time of thirty minutes is generally satisfactory;
the coagulation sedimentation tank is used for allowing the wastewater treated by the coagulation reaction tank and the flocculation reaction tank to stay in the coagulation sedimentation tank so as to fully precipitate the wastewater; generally speaking, the part of the tank body can be designed into a semi-underground reinforced concrete structure, and the retention time of the coagulation sedimentation tank for four hours can usually meet the requirement.
The supernatant discharged from the coagulating sedimentation tank is temporarily stored in the intermediate water tank and is used as the inlet water of the subsequent process; generally speaking, supernatant after precipitation enters an intermediate water tank for temporary storage as inlet water of a subsequent treatment process, the intermediate water tank can be designed into a semi-underground steel-concrete structure, if the quality of the inlet water is poor, the wastewater is lifted to an ozone oxidation tower for advanced oxidation treatment, and if the quality of the inlet water is good, the wastewater directly enters a subsequent hydrolysis acidification tank for oxidation treatment;
the ozone oxidation tower is used for carrying out advanced oxidation on the pretreated effluent through the ozone oxidation tower, so that macromolecular and nondegradable substances in the wastewater are further converted into micromolecular and easily degradable organic matters, and the biodegradability of the wastewater is further improved; generally speaking, the effluent after pretreatment is subjected to advanced oxidation through an ozone oxidation tower, and macromolecular and nondegradable substances in the wastewater are further converted into micromolecular and easily degradable organic matters, so that the biodegradability of the wastewater is further improved; the treated effluent automatically flows into a two-stage hydrolysis acidification tank,
a hydrolysis acidification pool (for example A, B two pools), wherein the wastewater converts macromolecular organic matters in the wastewater into small molecular organic matters under anaerobic conditions, improves the biodegradability of the wastewater and removes COD and BOD5(ii) a Generally speaking, in the hydrolysis acidification tank, under the anaerobic condition, macromolecular organic matters in the wastewater are converted into micromolecular organic matters, thereby improving the biodegradability of the wastewater and removing COD and BOD5Under the anaerobic condition, the phosphorus-accumulating bacteria grow predominantly, so that the phosphorus content of the activated sludge is higher than that of the common activated sludge, and the phosphorus-accumulating bacteria in the sludge are in an anaerobic stateThe phosphorus is released in the state, the phosphorus is excessively absorbed in the aerobic state, and the result of discharging the phosphorus-rich excess sludge is that compared with the common activated sludge method, more phosphorus in the wastewater can be removed, and the combined filler is arranged in the hydrolysis acidification tank, so that the concentration of microorganisms is greatly improved, the treatment efficiency is improved, and the treatment time is shortened;
the wastewater after anaerobic treatment enters (for example, A, B two-stage) contact oxidation pond to degrade COD and BOD in water body5The ammonia nitrogen in the water body is converted into nitrate and nitrite, so that the ammonia nitrogen in the water body is reduced; generally speaking, the wastewater after anaerobic treatment enters a multi-stage contact oxidation pond, a fixed biological filler is used as a carrier of microorganisms, the carrier with the microorganisms growing is submerged in water, an aeration system supplies oxygen for the microorganisms in a reactor, and organic matters in the wastewater are oxidized and decomposed through biological oxidation to realize COD and BOD in a water body5The degradation of organic matters is carried out, ammonia nitrogen in the water body is converted into nitrate and nitrite under the action of nitrobacteria, and meanwhile, nitrogen gas remained in the water body can be blown off, so that the ammonia nitrogen in the water body is reduced;
the sedimentation tank is composed of A, B two tanks, the effluent of the contact oxidation tank enters the sedimentation tank for solid-liquid separation, and the supernatant index reaches the third-level discharge standard; discharging sludge in the sedimentation tank into a sludge collecting well, intermittently discharging into a sludge concentration tank, concentrating, and then feeding into a sludge filter press to obtain sludge; generally speaking, the effluent of the contact oxidation tank enters a sedimentation tank for solid-liquid separation, the index of the supernatant completely reaches the three-level discharge standard, sludge generated from a coagulation sedimentation tank and the sedimentation tank is collected into a sludge concentration tank, and is dewatered by a belt filter press and then is transported to an outside for disposal;
the supernatant discharged from the sedimentation tank enters a clean water tank, and the clean water tank is aerated with ozone for treatment;
the ornamental tank is filled with clear water from a clear water tank after ozone exposure treatment, a standard discharge port is arranged at the downstream of the ornamental tank, and water after pharmaceutical wastewater is treated to reach the standard is discharged from the standard discharge port.
In one embodiment of the pharmaceutical wastewater treatment system of the present application, the ornamental tank is divided into an upstream zone 11 and a downstream zone 12, the upstream zone 11 and the downstream zone 12 are connected via a narrow passage 13, and a stainless steel net 14 having an aperture of less than one centimeter is provided at the narrow passage 13 to prevent objects having a size exceeding the aperture from passing between the upstream zone and the downstream zone, and the area of the water body in the downstream zone is five times or more, for example five times, six times, seven times, eight times or more, than ten times that in the upstream zone.
In one embodiment of the pharmaceutical wastewater treatment system of the present application, the forward end of the upstream area 11 of the ornamental tank receives water from a clean water tank that falls into the ornamental tank as a waterfall 15 at a height of at least fifty centimeters.
In one embodiment of the pharmaceutical wastewater treatment system of the present application, an air aeration device 16 is disposed under the body of water at the water receiving position of the water fall 15 of the upstream area 11 of the ornamental pond.
In one embodiment of the pharmaceutical wastewater treatment system of the present application, an ornamental bridge 17 is provided overhead at the junction of the upstream zone 11 and the downstream zone 12 of the ornamental tank. The ornamental bridge is convenient for an observer to know the working condition of the ornamental pool or the growth condition of animals and plants in the ornamental pool.
In one embodiment of the pharmaceutical wastewater treatment system of the present application, a standard discharge outlet 18 is provided at the end of the downstream area 12 of the aquarium.
Through the design of this application, can make waste water reach the national discharge standard after handling, especially, carry out the ozone treatment of exposing to the sun at the clean water basin, then set up the air aeration device in ornamental pond upstream area waterfall receives the water department, and ozone treatment and the air aeration device of exposing to the sun set up simultaneously and can make ornamental fish 19 (for example goldfish) of breeding in ornamental pond downstream area 12 more than one year, and if ozone treatment of exposing to the sun set up only with the air aeration device or both do not set up, then the ornamental fish is difficult to survive more than two months.
The application provides to characteristics such as pharmacy waste water suspended solid concentration is high, the total salt content is high, the B/C value is low (0.1), pH value variation range is wide, has adopted coagulating sedimentation/ozone/contact oxidation's combined treatment process, discharges after each index of play water reaches or surpasss three grades of standards of general sewage comprehensive emission standard. The quality of inlet water and outlet water treated by the embodiment is shown in the following table.
| Item | Quality of inlet water (waste water) | Quality of effluent water |
| COD/(mg/L) | 5200 | ≤370 |
| BOD5/(mg/L) | 540 | ≤280 |
| SS/(mg/L) | 900 | ≤320 |
| NH3-N/(mg/L) | 60 | ≤24 |
| TP/(mg/L) | 33 | ≤3 |
| pH value | 2.5～9.0 | 6.0～8.5 |
Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A pharmaceutical wastewater treatment system is characterized by comprising the following subsystems in sequence:
the water collecting well is used for receiving pharmaceutical wastewater to be treated discharged by production;
the adjusting tank is used for receiving the wastewater from the water collecting well and adjusting the water quantity of the previous and subsequent processes;
the emergency pool is used for emergency storage of excessive wastewater between the water collecting well and the regulating pool;
the coagulation reaction tank is used for receiving the wastewater from the regulating tank and carrying out coagulation reaction on the wastewater;
the flocculation reaction tank is used for receiving the wastewater from the coagulation reaction tank and performing flocculation reaction on the wastewater;
the coagulation sedimentation tank is used for receiving the wastewater from the flocculation reaction tank and making the wastewater settle therein;
the intermediate water tank is used for receiving the supernatant discharged by the coagulating sedimentation tank;
the ozone oxidation tower is used for carrying out advanced oxidation on the pretreated effluent;
the hydrolysis acidification pool is used for converting macromolecular organic matters in the wastewater into micromolecular organic matters under the anaerobic condition;
the contact oxidation tank is used for treating the wastewater from the hydrolysis acidification tank;
the sedimentation tank is used for carrying out solid-liquid separation on effluent from the contact oxidation tank, and then discharging generated sludge into a sludge collection well, a sludge concentration tank and a sludge filter press;
the clear water tank is used for receiving the supernatant discharged by the sedimentation tank and carrying out ozone exposure treatment on the supernatant;
the ornamental tank is used for receiving clean water in the clean water tank, and the downstream of the ornamental tank is provided with a standard discharge port for discharging treated standard water.
2. The pharmaceutical wastewater treatment system according to claim 1, wherein the viewing tank is divided into an upstream area and a downstream area, and the upstream area and the downstream area are connected via a narrow passage.
3. The pharmaceutical wastewater treatment system according to claim 2, wherein a stainless steel mesh having a pore size of less than one centimeter is provided at the narrow passage to prevent the passage of objects having a size between the upstream zone and the downstream zone that exceeds the pore size.
4. The pharmaceutical wastewater treatment system of claim 2, wherein the downstream zone water area is more than five times the upstream zone water area.
5. The pharmaceutical wastewater treatment system according to claim 2, wherein the downstream area is more than six times the area of the water in the upstream area.
6. The pharmaceutical wastewater treatment system according to claim 2, wherein the downstream area is more than seven times the area of the upstream area.
7. The pharmaceutical wastewater treatment system according to claim 2, wherein the front end of the upstream area of the ornamental pond receives water from a clean water pond, and the water in the clean water pond falls into the ornamental pond in a waterfall manner at a height of at least fifty centimeters.
8. The pharmaceutical wastewater treatment system according to claim 2, wherein an air aeration device is disposed under the body of water at a water waterfall receiving place in an upstream area of the ornamental pond.
9. The pharmaceutical wastewater treatment system according to claim 2, wherein an ornamental bridge is arranged overhead at the junction of the upstream zone and the downstream zone of the ornamental pond.
10. The pharmaceutical wastewater treatment system according to claim 2, wherein a standard discharge port is provided at the end of the downstream region of the ornamental pond.
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| CN202022470022.8U CN213680244U (en) | 2020-10-31 | 2020-10-31 | Pharmacy effluent disposal system |
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| CN202022470022.8U CN213680244U (en) | 2020-10-31 | 2020-10-31 | Pharmacy effluent disposal system |
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