CN209940781U - Classification treatment and recycling system for pharmaceutical wastewater - Google Patents
Classification treatment and recycling system for pharmaceutical wastewater Download PDFInfo
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- CN209940781U CN209940781U CN201920698011.XU CN201920698011U CN209940781U CN 209940781 U CN209940781 U CN 209940781U CN 201920698011 U CN201920698011 U CN 201920698011U CN 209940781 U CN209940781 U CN 209940781U
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Abstract
The utility model discloses a classification and recycling system of pharmaceutical wastewater relates to the waste water recovery field. The system comprises a classification and collection device, a classification and collection device and a control device, wherein the classification and collection device is used for classifying and collecting pharmaceutical wastewater flowing out of a pharmaceutical factory; the pretreatment device comprises a high-concentration regulating tank, a coagulating sedimentation tank, a hydrolysis acidification tank and an anaerobic distribution tank which are sequentially communicated; the biochemical treatment device comprises an IC anaerobic reactor, an anaerobic precipitator, an A/O biochemical tank and an MBR primary-stage membrane reactor which are sequentially communicated; the advanced treatment device comprises an ozone catalytic oxidation tower, a contact oxidation tank and an MBR (membrane bioreactor) secondary membrane reactor which are sequentially communicated, and a reclaimed water recycling treatment device comprises a reclaimed water tank, wherein the outlet of the reclaimed water tank is communicated with a plant area water device of a pharmaceutical factory. The system achieves the standard of sewage recovery, discharge and cyclic utilization by adjusting the pH, concentration and water quantity of sewage, adopting IC anaerobic tower and other biochemical treatment processes and using ozone for catalytic oxidation, and does not produce any pollution.
Description
Technical Field
The utility model relates to a waste water recovery field especially relates to a classification and recycling system of pharmacy waste water.
Background
With the development of the pharmaceutical industry, the water demand of pharmaceutical enterprises is increasing. The conventional treatment method is difficult to meet the requirements of sewage treatment and reuse due to complex pharmaceutical wastewater components, high concentration and poor biodegradability. These factors result in inefficient water use and high production costs in the pharmaceutical industry. The innovative system develops a novel wastewater treatment combined process, can overcome the defects of the traditional pharmaceutical wastewater treatment process, realizes the reuse of pharmaceutical wastewater after treatment, reduces pollution discharge, and has very important economic and social benefits.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the system problem that a new combined technology of categorised collection and processing is provided, through pH, concentration and the water yield of adjusting sewage, adopt biochemical treatment processes such as IC anaerobic tower to reach the standard that sewage recovery discharges cyclic utilization with ozone catalytic oxidation, and can not produce the normal water recovery system of any pollution.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
a classification treatment and recycling system of pharmaceutical wastewater is characterized by comprising:
the classified collection device is used for classifying and collecting pharmaceutical wastewater flowing out of a pharmaceutical factory and comprises a high-concentration wastewater pool, a low-concentration wastewater pool and a domestic sewage pool.
The pretreatment device comprises a low-concentration regulating reservoir, and a high-concentration regulating reservoir, a coagulating sedimentation tank, a hydrolysis acidification tank and an anaerobic distribution tank which are sequentially communicated, wherein the high-concentration regulating reservoir is communicated with a high-concentration wastewater pool and a domestic sewage pool, and a grid well is arranged at a communication port of the high-concentration regulating reservoir and the domestic sewage pool.
The biochemical treatment device comprises an IC anaerobic reactor, an anaerobic precipitator, an A/O biochemical tank and an MBR primary-stage membrane reactor which are sequentially communicated, wherein the inlet of the IC anaerobic reactor is communicated with an anaerobic distribution tank, and the A/O biochemical tank is communicated with a low-concentration regulating tank.
The advanced treatment device comprises an ozone catalytic oxidation tower, a contact oxidation pond and an MBR secondary membrane reactor which are sequentially communicated, wherein the ozone catalytic oxidation tower is communicated with the MBR primary membrane reactor through a suction pump.
The reclaimed water recycling treatment device comprises a reclaimed water tank, wherein an inlet of the reclaimed water tank is communicated with an MBR secondary membrane reactor through a suction pump, and an outlet of the reclaimed water tank is communicated with a plant area water device of a pharmaceutical factory.
Further technical scheme lies in, this system still includes exhaust gas collecting device, exhaust gas collecting device includes that high concentration waste gas collects station and low dense waste gas and collects the station, high concentration waste gas collects the station including burning preprocessing device and burning device, low dense waste gas collects the station including the alkali absorption tower, oxidation absorption tower and the water absorption tower that communicate in proper order, the export that high concentration waste gas collected station and low dense waste gas collected the station all is connected with the exhaust emission chimney.
The further technical proposal is that an electrolytic reaction device is connected between the high-concentration wastewater pool and the high-concentration regulating pool.
The system further comprises a sludge treatment device, wherein the sludge treatment device is respectively connected with the pretreatment device, the biochemical treatment device and the advanced treatment device and is used for carrying out centralized treatment and discharge on sludge generated by the pretreatment device, the biochemical treatment device and the advanced treatment device, and the sludge treatment device comprises a sludge concentration tank, a sludge dewatering device, a sludge drying device and a sludge cake outward conveying device which are sequentially communicated.
The technical scheme is that the IC anaerobic reactor is connected with a methane cabinet, the methane cabinet is connected with a methane desulfurization station, and the methane desulfurization station is connected with a torch.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the content of easily degradable organic matters in the high-concentration wastewater is low, the domestic sewage is mixed with the high-concentration wastewater for treatment, and the biochemical treatment performance of the mixed wastewater is improved by utilizing the characteristic that the content of the easily degradable organic matters in the domestic sewage is high.
The combined pretreatment process of adjusting sewage parameters to carry out the coagulation sedimentation tank and finally carrying out acidification and hydrolysis is adopted, the pH, the concentration and the water quantity of the sewage are adjusted in the adjusting tank, the biodegradability of the wastewater is improved, and good conditions are provided for the continuous and stable operation of the IC anaerobic reactor in the next step.
And adopt IC anaerobism tower, AO denitrogenation technology and MBR membrane bioreactor to carry out biochemical treatment, replace traditional biological treatment system secondary sedimentation tank with MBR, the separation effect is far better than traditional sedimentation tank, and because MBR unites two into one with traditional sewage treatment's aeration tank and secondary sedimentation tank, can reduce area by a wide margin, save the civil engineering investment.
In addition, ozone catalytic oxidation, contact oxidation and MBR membrane bioreactor are adopted for advanced treatment, high molecular organic matters are broken into small molecular organic matters through ozone catalytic oxidation, the biodegradability of the wastewater is improved, and the biological contact oxidation method is a biomembrane method with the characteristic of an activated sludge method and purifies the organic matters in the wastewater.
Meanwhile, the MBR membrane reactors of two stages are arranged, the main function of the second stage is to separate activated sludge through membrane filtration, the effluent turbidity and suspended matters are close to zero, the requirement of sewage recycling is met, and the recycling of sewage is realized.
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The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. Based on the embodiments only in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1, a classification treatment and recycling system for pharmaceutical wastewater comprises: the classified collection device 1 is used for classified collection of pharmaceutical wastewater flowing out of a pharmaceutical factory and comprises a high-concentration wastewater pool 11, a low-concentration wastewater pool 12 and a domestic sewage pool 13; the pretreatment device 2 comprises a high-concentration regulating tank 21, a coagulating sedimentation tank 22, a hydrolysis acidification tank 23 and an anaerobic distribution tank 24 which are sequentially communicated, wherein the high-concentration regulating tank 21 is communicated with a high-concentration wastewater tank 11 and a domestic sewage tank 13, and a grid well 130 is arranged at a communication port of the high-concentration regulating tank and the domestic sewage tank 13.
The device also comprises a biochemical treatment device 3, which comprises an IC anaerobic reactor 31, an anaerobic precipitator 32, an A/O biochemical tank 33 and an MBR primary membrane reactor 34 which are sequentially communicated, wherein the inlet of the IC anaerobic reactor 31 is communicated with the anaerobic distribution tank 24; the advanced treatment device 4 comprises an ozone catalytic oxidation tower 41, a contact oxidation pond 42 and an MBR secondary membrane reactor 43 which are sequentially communicated, wherein the ozone catalytic oxidation tower 41 is communicated with the MBR primary membrane reactor 34 through a suction pump 40; the reclaimed water recycling treatment device 5 comprises a reclaimed water tank 51, wherein the inlet of the reclaimed water tank 51 is communicated with an MBR secondary membrane reactor 52 through a suction pump 40, and the outlet is communicated with a plant area water consumption device of a pharmaceutical factory.
The utility model discloses when using, at first utilize categorised collection device 1 to classify the waste water that produces in the pharmaceutical factory into high concentration wastewater disposal basin 11, in low concentrated wastewater disposal basin 12 and the domestic sewage pond 13 respectively strictly according to discharge standard, then high concentration wastewater disposal basin 11, and the waste water in the domestic sewage pond 13 that has handled through grid well 130 can mix and flow into high concentration equalizing basin 21, high concentration equalizing basin 21 can adjust the pH of sewage, the parameter of concentration and water yield, adjust the sewage after accomplishing and get into coagulating sedimentation tank 22, under the effect of coagulant, make colloid and the fine suspended solid in the waste water condense into, then precipitate the flocculating constituent and separate, then flow into hydrolysis acidification tank 23, hydrolyze the insoluble organic matter into soluble organic matter under a large amount of hydrolytic bacteria, the effect of acidizing bacteria, convert the macromolecular material of difficult biodegradable into the micromolecular material of easy biodegradation, thereby improving the biodegradability of the wastewater, laying a good foundation for the subsequent treatment of the IC anaerobic reactor 31, and finally leading the wastewater to flow out of the hydrolytic acidification tank 23 and enter the anaerobic distribution tank 24, thereby completing the pretreatment process of the wastewater.
After the pretreatment is completed, the wastewater enters the biochemical treatment device 3, the mixed wastewater of the pretreated high-concentration wastewater and the domestic sewage enters the IC anaerobic reactor 31, firstly, anaerobic digestion reaction is carried out to convert organic matters in the wastewater into methane and carbon dioxide, thereby achieving the purpose of purifying the wastewater, then the purified sewage flows into an A/O biochemical pool 33, the low-concentration wastewater directly enters the A/O biochemical pool 33 without pretreatment, the A/O biochemical pool 33 is divided into a facultative section and an aerobic section, hydrolyzing suspended pollutants and soluble organic matters in the sewage into organic acid by heterotrophic bacteria at the facultative section to decompose macromolecular organic matters into micromolecular organic matters and convert insoluble organic matters into soluble organic matters, then the products after facultative hydrolysis enter an aerobic tank for aerobic treatment, thereby improving the biodegradability of sewage and the oxygen efficiency; in the anaerobic section, heterotrophic bacteria ammonify pollutants such as protein and fat, return the pollutants to the facultative section under reflux control, under the facultative condition, denitrification of the heterotrophic bacteria completes C, N, O circulation in ecology, innocent treatment of sewage is realized, finally treated wastewater enters the MBR primary membrane reactor 34, activated sludge is separated through membrane filtration water, and mixed liquor flows back, so that the concentration of the activated sludge in the A/O biochemical tank 33 and the membrane reactor 34 is improved, and the degradation capability of the biochemical device is further improved.
The sewage after the biochemical treatment is accomplished finally gets into deep treatment device 4, at first, through the organic matter of ozone oxidation degradation biochemical effluent, become the micromolecular organic matter with the broken chain of macromolecular organic matter, improve the biodegradability of waste water, waste water flows into contact oxidation pond 42 and carries out contact oxidation after that, purify the organic matter in the waste water, and the waste water that finally purifies the completion flows into MBR second grade membrane reactor 52, through membrane filtration separation active sludge, go out water turbidity and suspended solid and be close to zero, reach the requirement of sewage retrieval and utilization, realize the resourceization of sewage. And finally, the wastewater which is treated to reach the discharge standard flows into a reclaimed water reuse treatment device 5, reclaimed water which reaches the standard is stored and treated in a reclaimed water pool 51, ozone is added for disinfection, one part of the reclaimed water is returned to a workshop for side flushing and water replenishing of circulating water, and the other part of the reclaimed water is supplied to greening and road flushing of a plant area.
The system adopts a combined pretreatment process of adjusting sewage parameters to carry out a coagulation sedimentation tank and finally carrying out acidification and hydrolysis, adjusts the pH, concentration and water quantity of sewage in the adjusting tank, improves the biodegradability of the wastewater, and provides good conditions for the continuous and stable operation of the next IC anaerobic reactor. And adopt IC anaerobic reactor 31, AO denitrogenation technology and MBR membrane bioreactor to carry out biochemical treatment, replace traditional biological treatment system secondary sedimentation tank with MBR, the separation effect is far better than traditional sedimentation tank, and because MBR unites two into one with traditional sewage treatment's aeration tank and secondary sedimentation tank, can reduce area by a wide margin, save the civil engineering investment. In addition, ozone catalytic oxidation, contact oxidation and MBR membrane bioreactor are adopted for advanced treatment, high molecular organic matters are broken into small molecular organic matters through ozone catalytic oxidation, the biodegradability of the wastewater is improved, and the biological contact oxidation method is a biomembrane method with the characteristic of an activated sludge method and purifies the organic matters in the wastewater. Meanwhile, the MBR membrane reactors of two stages are arranged, the main function of the second stage is to separate activated sludge through membrane filtration, the effluent turbidity and suspended matters are close to zero, the requirement of sewage recycling is met, and the recycling of sewage is realized.
Since waste water also produces waste gas in the recycling process, the system further comprises a waste gas collecting device 6, wherein the waste gas collecting device 6 comprises a high-concentration waste gas collecting station 61 and a low-concentration waste gas collecting station 62, the high-concentration waste gas collecting station 61 comprises an incineration pretreatment device 611 and an incineration device 612, the low-concentration waste gas collecting station 62 comprises an alkali absorption tower 621, an oxidation absorption tower 622 and a water absorption tower 623 which are communicated in sequence, and the outlets of the high-concentration waste gas collecting station 61 and the low-concentration waste gas collecting station 62 are connected with a waste gas discharge chimney 63.
The waste gas discharged in the treatment process is classified into high-concentration waste gas and low-concentration waste gas which respectively enter a high-concentration waste gas collecting station 61 and a low-concentration waste gas collecting station 62, at the moment, the high-concentration waste gas is pretreated by an incineration pretreatment device 611 and then enters an incineration device 612 for incineration, the low-concentration waste gas enters an alkali absorption tower 621 for hydrogen sulfide removal, then enters an oxidation absorption tower 622 and a water absorption tower 623 for oxidation and water absorption once, and finally, the high-concentration waste gas and the low-concentration waste gas are treated to be dischargeable and are discharged through a waste gas discharge chimney 63 in a standard mode.
High enriched waste water is difficult to be adjusted and is hydrolyzed, consequently is connected with electrolytic reaction device 110 between high enriched wastewater pond 11 and high enriched equalizing basin 21, before high enriched waste water gets into high enriched equalizing basin 21, utilizes acid-base environment, adds hydrogen peroxide solution and carries out the electrolysis to make the element separation wherein, more do benefit to and get into preprocessing device and handle, improved the treatment effeciency's treatment degree.
Moreover, the system can also generate sludge deposition in the treatment process, so the system also comprises a sludge treatment device 7, wherein the sludge treatment device 7 is respectively connected with the pretreatment device 2, the biochemical treatment device 3 and the advanced treatment device 4 and is used for intensively treating and discharging the sludge generated by the three devices, and the sludge treatment device comprises a sludge concentration tank 71, a sludge dewatering device 72, a sludge drying device 73 and a sludge cake outward transportation device 74 which are sequentially communicated. The sludge is firstly concentrated in the discharging process, the density of the sludge is reduced, the sludge enters the sludge dewatering device 72 for dewatering, then the sludge is dried by the sludge drying device 73, finally, the solid sludge cake is transported out by the sludge cake transporting device 74, and the supernatant generated in the process flows back into the low-concentration wastewater pool 12 for circular treatment.
In addition, the IC anaerobic reactor 31 is further connected with a biogas tank 311, the biogas tank 311 is connected with a biogas desulfurization station 312, and the biogas desulfurization station 312 is connected with a torch 313. The biogas generated in the IC anaerobic reactor 31 is recycled through the biogas tank 311, is subjected to desulfurization treatment, is further applied to ignition of a torch, realizes recycling of energy, avoids discharge of waste gas, saves resources and protects the environment.
The above is only the preferred embodiment of the present invention, and any person can make some simple modifications, deformations and equivalent replacements according to the present invention, all fall into the protection scope of the present invention.
Claims (5)
1. A classification treatment and recycling system of pharmaceutical wastewater is characterized by comprising:
the classified collection device (1) is used for classifying and collecting pharmaceutical wastewater flowing out of a pharmaceutical factory and comprises a high-concentration wastewater pool (11), a low-concentration wastewater pool (12) and a domestic sewage pool (13);
the pretreatment device (2) comprises a low-concentration regulating tank (20), a high-concentration regulating tank (21), a coagulating sedimentation tank (22), a hydrolysis acidification tank (23) and an anaerobic distribution tank (24), wherein the high-concentration regulating tank (21) is communicated with a high-concentration wastewater tank (11) and a domestic sewage tank (13), and a communication port of the high-concentration regulating tank and the domestic sewage tank (13) is provided with a grating well (130);
the biochemical treatment device (3) comprises an IC anaerobic reactor (31), an anaerobic precipitator (32), an A/O biochemical pool (33) and an MBR primary membrane reactor (34) which are sequentially communicated, wherein the inlet of the IC anaerobic reactor (31) is communicated with an anaerobic distribution tank (24), and the A/O biochemical pool (33) is communicated with a low-concentration regulating tank (20);
the advanced treatment device (4) comprises an ozone catalytic oxidation tower (41), a contact oxidation pond (42) and an MBR secondary membrane reactor (43) which are sequentially communicated, wherein the ozone catalytic oxidation tower (41) is communicated with the MBR primary membrane reactor (34) through a suction pump (40);
the reclaimed water recycling treatment device (5) comprises a reclaimed water tank (51), wherein an inlet of the reclaimed water tank (51) is communicated with an MBR secondary membrane reactor (52) through a suction pump (40), and an outlet of the reclaimed water tank is communicated with a plant area water utilization device of a pharmaceutical factory.
2. The pharmaceutical wastewater classified treatment and recycling system according to claim 1, further comprising an exhaust gas collecting device (6), wherein the exhaust gas collecting device (6) comprises a high-concentration exhaust gas collecting station (61) and a low-concentration exhaust gas collecting station (62), the high-concentration exhaust gas collecting station (61) comprises an incineration pretreatment device (611) and an incineration device (612), the low-concentration exhaust gas collecting station (62) comprises an alkali absorption tower (621), an oxidation absorption tower (622) and a water absorption tower (623) which are sequentially communicated, and the outlets of the high-concentration exhaust gas collecting station (61) and the low-concentration exhaust gas collecting station (62) are connected with an exhaust gas discharge chimney (63).
3. The pharmaceutical wastewater classification and recycling system according to claim 1, wherein an electrolytic reaction device (110) is connected between the high concentration wastewater tank (11) and the high concentration regulating tank (21).
4. The pharmaceutical wastewater classification and recycling system according to claim 1, further comprising a sludge treatment device (7), wherein the sludge treatment device (7) is connected with the pretreatment device (2), the biochemical treatment device (3) and the advanced treatment device (4) respectively for centralized treatment and discharge of sludge generated by the three devices, and comprises a sludge concentration tank (71), a sludge dewatering device (72), a sludge drying device (73) and a sludge cake outward transportation device (74) which are sequentially communicated.
5. The pharmaceutical wastewater classified treatment and recycling system according to claim 1, wherein said IC anaerobic reactor (31) is connected to a biogas tank (311), said biogas tank (311) is connected to a biogas desulfurization station (312), and said biogas desulfurization station (312) is connected to a torch (313).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111925051A (en) * | 2020-07-31 | 2020-11-13 | 苏州金渠环保科技有限公司 | MBR and ozone combined sewage advanced treatment process |
| CN115093084A (en) * | 2022-08-05 | 2022-09-23 | 四川省生态环境科学研究院 | Multipoint and multi-tank synchronous electrochemical phosphorus removal system and phosphorus removal method thereof |
| CN115321763A (en) * | 2022-10-11 | 2022-11-11 | 扬州中化化雨环保有限公司 | Landfill leachate treatment system and solid-liquid separation device thereof |
| CN115340256A (en) * | 2022-07-29 | 2022-11-15 | 上海同济建设科技股份有限公司 | CDMO pharmacy effluent disposal system |
-
2019
- 2019-05-15 CN CN201920698011.XU patent/CN209940781U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111925051A (en) * | 2020-07-31 | 2020-11-13 | 苏州金渠环保科技有限公司 | MBR and ozone combined sewage advanced treatment process |
| CN115340256A (en) * | 2022-07-29 | 2022-11-15 | 上海同济建设科技股份有限公司 | CDMO pharmacy effluent disposal system |
| CN115093084A (en) * | 2022-08-05 | 2022-09-23 | 四川省生态环境科学研究院 | Multipoint and multi-tank synchronous electrochemical phosphorus removal system and phosphorus removal method thereof |
| CN115321763A (en) * | 2022-10-11 | 2022-11-11 | 扬州中化化雨环保有限公司 | Landfill leachate treatment system and solid-liquid separation device thereof |
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