CN210711179U - Cephalosporin antibiotic drug production wastewater pretreatment system - Google Patents
Cephalosporin antibiotic drug production wastewater pretreatment system Download PDFInfo
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- CN210711179U CN210711179U CN201921577514.8U CN201921577514U CN210711179U CN 210711179 U CN210711179 U CN 210711179U CN 201921577514 U CN201921577514 U CN 201921577514U CN 210711179 U CN210711179 U CN 210711179U
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Abstract
The utility model discloses a cephalosporin antibiotics medicine production wastewater pretreatment system, its characterized in that: including the grid, waste water enters waste water collecting tank after the grid interception, water in the waste water collecting tank gets into high-efficient sedimentation tank, the pond in the middle of going into of the play water of high-efficient sedimentation tank, follow the water that middle pond came out gets into the evaporimeter, the comdenstion water of evaporimeter gets into the condensate water pond, the water of condensate water pond gets into catalytic oxidation reactor once, follows the waste water that catalytic oxidation reactor came out gets into integrative gasA floating device for removing COD in the wastewaterCr、BOD5Contaminants such as SS; and the water from the integrated air floatation device enters a biochemical regulating tank of a biochemical treatment system. Improving the biodegradability of cephalosporin antibiotic drugs and reducing the salt content.
Description
Technical Field
The utility model relates to a cephalosporin antibiotic medicine production wastewater pretreatment system, which belongs to the field of water treatment.
Background
The antibiotic production wastewater is organic wastewater with high concentration and containing various refractory organic matters and biological toxic substances. Since the 70 s in the 20 th world, developed countries have shifted the production of large quantities of conventional medicines to developing countries, and therefore, China has started to research and apply the technology for treating antibiotic life ginseng wastewater. Compared with other antibiotics, the cephalosporin antibiotics have the characteristics of wide antibacterial spectrum, strong antibacterial activity, high curative effect, small side effect and the like, and occupy an important position in the market of anti-infection medicines. Production of cephalosporin antibiotics adopts a microbial fermentation method to obtain cephalosporin, and then adopts chemical synthesis to produce intermediates and raw material medicaments. The chemical synthesis wastewater contains intermediates, raw material medicines, salt, solvents and the like. The synthetic wastewater produced by the method has the characteristics of high COD, complex components, poor biodegradability and the like. The water quality was as shown in the following table.
Because the biodegradability of the chemical synthesis wastewater is poor, the biochemical treatment can not be stably discharged up to the standard directly, and therefore, how to improve the biodegradability through pretreatment becomes a problem to be solved.
SUMMERY OF THE UTILITY MODEL
To the technical problem, an object of the utility model is to provide a cephalo antibiotic medicine production waste water preliminary treatment system improves cephalo antibiotic medicine's biodegradability, reduces salt content.
In order to realize the first purpose, the technical scheme of the utility model is that: the utility model provides a cephalosporin antibiotics medicine production wastewater pretreatment system which characterized in that: including the grid, waste water enters waste water collecting tank after the grid interception, water in the waste water collecting tank gets into high-efficient sedimentation tank, the pond in the middle of going into is got into to the play water of high-efficient sedimentation tank, follows the water that middle pond came out gets into the evaporimeter, the comdenstion water of evaporimeter gets into the condensate water pond, the water of condensate water pond gets into catalytic oxidation reactor once, follows catalytic oxidation reactor onceThe discharged wastewater enters an integrated air floatation device to remove COD contained in the wastewaterCr、BOD5Contaminants such as SS; and the water from the integrated air floatation device enters a biochemical regulating tank of a biochemical treatment system.
By adopting the scheme, the production wastewater enters the wastewater collecting tank after being intercepted by the grating, and the water quality and the water quantity are adjusted in the wastewater collecting tank. The wastewater is lifted by a pump to enter a high-efficiency sedimentation tank, acid or alkali is added into the high-efficiency sedimentation tank to adjust the pH value of the wastewater to be 7-9, then agents such as a high-efficiency coagulant aid, a flocculating agent and the like are added to remove granular pollutants in the wastewater, the supernatant of the high-efficiency sedimentation tank enters an intermediate water tank, and the sludge enters a pretreatment sludge tank. After the precipitation treatment, a large amount of SS in the wastewater is effectively removed.
The waste water after the precipitation treatment enters an evaporator, a large amount of salt and high-boiling-point organic matters are remained in a distillation kettle to form crystallized salt, and the distilled water enters a condensate water tank to realize the separation of salt in the waste water.
Waste water in the condensate water tank is lifted by a pump to enter a primary catalytic oxidation reactor, acid, catalyst and oxidant are added into the primary catalytic oxidation reactor, the macromolecular substances which are difficult to degrade in the waste water are effectively decomposed, and the biodegradability of the waste water is improved.
In the scheme, the method comprises the following steps: and the sludge in the pretreatment sludge tank is dewatered by a pretreatment sludge dewatering device and then transported out.
In the scheme, the method comprises the following steps: and the supernatant of the pretreated sludge tank and the filtrate of the pretreated sludge dewatering device enter a wastewater collection tank.
Has the advantages that: the utility model discloses a cephalosporin antibiotics medicine production wastewater pretreatment system, the production wastewater is pretreated earlier, reduces CODCr、BOD5The SS reduces the salinity content, and the macromolecular substance of difficult degradation in the preliminary realization waste water effectively decomposes, improves the biodegradability of waste water, gets rid of salt wherein, finally makes can discharge to reach standard after biochemical treatment. The system is simple and reliable in operation, greatly reduces the cost investment of enterprises, and is beneficial to enterprise extractionHigh economic and social benefits.
Drawings
FIG. 1 is a process flow diagram of a cephalosporin antibiotic drug production wastewater treatment system.
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
in the case of the example 1, the following examples are given,
the inlet water quality of the cephalosporin antibiotic drug production wastewater is as follows:
as shown in fig. 1, the cephalosporin antibiotic drug production wastewater treatment system is composed of a grid 1, a wastewater collection tank 2, a high-efficiency sedimentation tank 3, an intermediate water tank 4, an evaporator 5, a condensation water tank 6, a primary catalytic oxidation reactor 7, an integrated air flotation device 8, a biochemical regulation tank 9, a hydrolysis acidification tank 10, a UASB anaerobic reactor 11, a primary a/O system 12, a secondary a/O system 13, a secondary sedimentation tank 14, a secondary catalytic oxidation reactor 15, a high-density sedimentation tank 16, a pretreated sludge tank 17, a pretreated sludge dewatering device 18, an integrated sludge concentration tank 19, an integrated sludge dewatering device 20, a pump and corresponding pipelines.
The cephalosporin antibiotic drug production wastewater treatment system is divided into a pretreatment system and a biochemical treatment system, wherein the pretreatment system aims at reducing CODCr、BOD5SS reduces salinity content, tentatively realizes the effective decomposition of the macromolecular substance of difficult degradation in the waste water, improves the biodegradability of waste water.
The pretreatment system consists of a grid 1, a wastewater collection tank 2, a high-efficiency sedimentation tank 3, an intermediate water tank 4, an evaporator 5, a condensation water tank 6, a primary catalytic oxidation reactor 7 and an integrated air floatation device 8.
The production wastewater enters a wastewater collecting tank 2 after being intercepted by a grid 1, and the water quality and the water quantity are adjusted in the wastewater collecting tank. The wastewater enters a high-efficiency sedimentation tank 3 in a wastewater collection tank 2, after acid or alkali is added to adjust the pH value of the wastewater to 7-9 in the high-efficiency sedimentation tank 3, agents such as a high-efficiency coagulant aid, a flocculating agent and the like are added to remove granular pollutants in the wastewater, the effluent of the high-efficiency sedimentation tank 3 enters an intermediate water tank 4, the water coming out of the intermediate water tank 4 enters an evaporator 5, a large amount of salt and high-boiling-point organic matters remain in a distillation kettle to form crystal salt, and the distilled water enters a condensate tank to realize the separation of salt in the wastewater. The comdenstion water of evaporimeter 5 gets into condensate water tank 6, and the water of condensate water tank 6 gets into catalytic oxidation reactor 7 once, adds acid, catalyst and oxidant in catalytic oxidation reactor 7 once, realizes that the macromolecular substance of difficult degradation effectively decomposes in the waste water, improves the biodegradability of waste water.
The wastewater from the primary catalytic oxidation reactor 7 enters an integrated air flotation device 8, and alkali, PAC and PAM agents are added into the integrated air flotation device 8 to remove COD contained in the wastewaterCr、BOD5And SS, etc.
The sediment of the high-efficiency sedimentation tank 3 and the scum of the integrated air floatation device 8 enter a pretreatment sludge tank 17, and the sludge in the pretreatment sludge tank 17 is dehydrated by a pretreatment sludge dehydration device 18 and then transported outside. The supernatant of the pretreatment sludge tank 17 and the filtrate of the pretreatment sludge dewatering device 18 enter the wastewater collection tank 2.
After passing through the pretreatment system, the quality of the effluent can reach the following standard
After pretreatment, COD in the wastewaterCrObviously reduces the salt content and the biodegradability.
The biochemical treatment system consists of a biochemical regulating tank 9, a hydrolytic acidification tank 10, a UASB anaerobic reactor 11, a primary A/O system 12, a secondary A/O system 13, a secondary sedimentation tank 14, a secondary catalytic oxidation reactor 15 and a high-density sedimentation tank 16.
The water from the integrated air flotation device 8 enters a biochemical regulating tank 9 to regulate the quality and quantity of the wastewater. The wastewater from the biochemical regulating tank 9 enters a hydrolytic acidification tank 10, macromolecules contained in the wastewater are hydrolyzed into micromolecular organic matters, the biodegradability of the wastewater is further improved, and the COD contained in the wastewaterCr、BOD5Etc. are effectively removed. The effluent of the hydrolysis acidification tank 10 enters a UASB anaerobic reactor 11, and most of COD in the wastewater is removed in the UASB anaerobic reactorCr、BOD5And the like. The water from the UASB anaerobic reactor 11 enters a first-stage A/O system 12 and a second-stage A/O system 13 in turn, the water from the second-stage A/O system 13 enters a secondary sedimentation tank 14, part of sludge in the secondary sedimentation tank 14 returns to the aerobic tanks of the first-stage A/O system 12 and the second-stage A/O system 13, and the clear liquid in the secondary sedimentation tank 14 enters a secondary catalytic oxidation reactor 15 to further remove COD contained in the wastewaterCr、BOD5And the like. The wastewater from the secondary catalytic oxidation reactor 15 enters a high-density sedimentation tank 16, and alkali (flake alkali, liquid alkali and the like), a high-efficiency coagulant aid, a flocculating agent and the like are added into the high-density sedimentation tank 16, so that the COD (chemical oxygen demand) contained in the wastewater is further reducedCr、BOD5And color, SS, and the like. The wastewater after precipitation reaches the standard and is discharged. The clear liquid in the high-density sedimentation tank 16 is discharged after reaching the standard.
The sludge of the UASB anaerobic reactor 11, the excess sludge of the secondary sedimentation tank 14 and the sludge of the high-density sedimentation tank 16 enter a comprehensive sludge concentration tank 19, and the sludge of the comprehensive sludge concentration tank 19 is dewatered by a comprehensive sludge dewatering device 20 and then transported outside.
The supernatant of the comprehensive sludge concentration tank 19 and the filtrate of the comprehensive sludge dewatering device 20 enter the biochemical regulating tank 9.
Finally, the quality of the discharged water treated by the system can stably reach the third-level discharge standard in Integrated wastewater discharge Standard (GB8978-1996) and the receiving standard of the park wastewater, and the quality of the discharged water meets the following requirements.
| Contaminant item | Maximum limit of execution criteria | Contaminant item | Maximum limit of execution criteria |
| (1)pH | 6-9 | (6) Petroleum products | 16mg/L |
| (2) Color intensity | 40 times of | (7)BOD | 160mg/L |
| (3)COD | 360mg/L | (8)SS | 160mg/L |
| (4) Total phosphorus | 6mg/L | (9) Ammonia nitrogen | 24mg/L |
| (5) Animal and vegetable oil | 80mg/L | (10) Anionic surfactants | 16mg/L |
The present invention is not limited to the above embodiments, and those skilled in the art can understand that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (3)
1. The utility model provides a cephalosporin antibiotics medicine production wastewater pretreatment system which characterized in that: including the grid, waste water goes into the waste water collecting tank after the grid interception, water in the waste water collecting tank gets into high-efficient sedimentation tank, the pond in the middle of going into of the play water of high-efficient sedimentation tank, follow the water that middle pond came out gets into the evaporimeter, the comdenstion water of evaporimeter gets into the condensate water pond, the water of condensate water pond gets into catalytic oxidation reactor once, follows the waste water that catalytic oxidation reactor came out gets into integration air supporting device, gets rid of the COD that contains in the waste waterCr、BOD5Contaminants such as SS; and the water from the integrated air floatation device enters a biochemical regulating tank of a biochemical treatment system.
2. The cephalosporin antibiotic drug production wastewater pretreatment system of claim 1, which is characterized in that: and the sludge in the pretreatment sludge tank is dewatered by a pretreatment sludge dewatering device and then transported out.
3. The cephalosporin antibiotic drug production wastewater pretreatment system of claim 2, which is characterized in that: and the supernatant of the pretreated sludge tank and the filtrate of the pretreated sludge dewatering device enter a wastewater collection tank.
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| CN201921577514.8U CN210711179U (en) | 2019-09-20 | 2019-09-20 | Cephalosporin antibiotic drug production wastewater pretreatment system |
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| CN201921577514.8U CN210711179U (en) | 2019-09-20 | 2019-09-20 | Cephalosporin antibiotic drug production wastewater pretreatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114249502A (en) * | 2021-12-27 | 2022-03-29 | 华夏碧水环保科技有限公司 | Cephalosporin antibiotic production wastewater treatment system and process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114249502A (en) * | 2021-12-27 | 2022-03-29 | 华夏碧水环保科技有限公司 | Cephalosporin antibiotic production wastewater treatment system and process |
| CN114249502B (en) * | 2021-12-27 | 2023-08-08 | 华夏碧水环保科技股份有限公司 | System and process for treating waste water from cephalosporin antibiotic production |
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Effective date of registration: 20201224 Address after: 400015 2-5, No.4, jialingqiao West Village, Yuzhong District, Chongqing Patentee after: Chongqing Si Tong Technology Co.,Ltd. Address before: 405400 room 701, unit 1, building A2B, Yian Jiayuan, Changqing community central passenger station, Yunfeng street, Kaizhou District, Chongqing Patentee before: Chongqing Chunhui Environmental Protection Engineering Co.,Ltd. |
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Effective date of registration: 20211217 Address after: 31-a3, Tower B, 2 Nanping West Road, Nan'an District, Chongqing 400060 Patentee after: CHONGQING JIERUN TECHNOLOGY Co.,Ltd. Address before: 400015 2-5, No.4, jialingqiao West Village, Yuzhong District, Chongqing Patentee before: Chongqing Si Tong Technology Co.,Ltd. |