CN217578609U - Pharmaceutical factory sewage treatment system - Google Patents
Pharmaceutical factory sewage treatment system Download PDFInfo
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- CN217578609U CN217578609U CN202221058981.1U CN202221058981U CN217578609U CN 217578609 U CN217578609 U CN 217578609U CN 202221058981 U CN202221058981 U CN 202221058981U CN 217578609 U CN217578609 U CN 217578609U
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Abstract
The utility model relates to a pharmaceutical factory sewage treatment system, which comprises a pharmaceutical sewage treatment subsystem, a domestic sewage treatment subsystem and a post-treatment mechanism; the pharmaceutical sewage treatment subsystem comprises an adjusting tank, an anaerobic reactor, a first A/O reaction mechanism and a first secondary sedimentation tank; the domestic sewage treatment subsystem comprises fine grid chambers, an aeration grit chamber, a second A/O reaction mechanism and a second sedimentation tank; one path of a water outlet pipe of the first A/O reaction mechanism is connected to the first secondary sedimentation tank, and the other path of the water outlet pipe of the first A/O reaction mechanism is connected to the second secondary sedimentation tank; sludge return pipes connected to the corresponding A/O reaction mechanisms are arranged on the two secondary sedimentation tanks; the waste water of the two secondary sedimentation tanks is treated by the post-treatment mechanism. The effluent of the first A/O reaction mechanism is distributed to the two secondary sedimentation tanks, so that the treatment capacity of the two secondary sedimentation tanks can be fully utilized and coordinated, the sludge activity in the secondary sedimentation tanks can be effectively improved, and the sewage treatment efficiency and the sewage treatment effect of the second A/O reaction mechanism are improved.
Description
Technical Field
The utility model relates to a pharmaceutical factory sewage treatment system.
Background
The content of organic matters in the wastewater in the pharmaceutical industry is high, and the main pollutants comprise suspended matters (SS), chemical oxygen demand (CODcr), biochemical Oxygen Demand (BOD) and ammonia Nitrogen (NH) 3 -N) and volatile phenol and other toxic and harmful substances. The method for treating the pharmaceutical wastewater can be summarized as the following methods: physical and chemical treatment, biochemical treatment, and combination treatment of a plurality of methods, and the like, and each treatment method has respective advantages and disadvantages. For the treatment of Chinese patent drug production wastewater, most pharmaceutical factories adopt the process of 'pretreatment, biochemical treatment and post-treatment', and since the treatment process of domestic sewage is almost the same, the general pharmaceutical factories combine the Chinese patent drug production wastewater and the domestic sewage for treatment. However, the properties of the Chinese patent drug production wastewater are different from those of domestic sewage, for example, the Chinese patent drug production wastewater is treated by an anaerobic reactor in advance and then subjected to an a/O reaction treatment, so that the biochemical treatment effect of the wastewater can be improved, but the domestic sewage simultaneously enters the anaerobic reactor, so that the treatment burden and the treatment cost of the anaerobic reactor are increased; for example, the Chinese patent medicine production wastewater and the domestic sewage adopt the same A/O reaction treatment process, which causes unnecessary treatment cost; for example, the fluctuation of domestic sewage amount is large, and certain impact is caused to a treatment system.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a pharmaceutical factory sewage treatment system, which can at least solve part of the defects of the prior art.
The utility model relates to a pharmaceutical factory sewage treatment system, which comprises a pharmaceutical sewage treatment subsystem, a domestic sewage treatment subsystem and a post-treatment mechanism; the pharmaceutical sewage treatment subsystem comprises an adjusting tank, an anaerobic reactor, a first A/O reaction mechanism and a first secondary sedimentation tank which are sequentially connected in series; the domestic sewage treatment subsystem comprises a fine grid room, an aeration grit chamber, a second A/O reaction mechanism and a second grit chamber which are connected in series in sequence; the water outlet main pipe of the first A/O reaction mechanism is connected with a first water outlet branch pipe and a second water outlet branch pipe, the first water outlet branch pipe is connected with the first secondary sedimentation tank, and the second water outlet branch pipe is connected with the second secondary sedimentation tank; a first sludge return pipe connected with the anaerobic tank of the first A/O reaction mechanism is arranged on the first secondary sedimentation tank, and a second sludge return pipe connected with the anaerobic tank of the second A/O reaction mechanism is arranged on the second secondary sedimentation tank; and the wastewater outlet pipe of the first secondary sedimentation tank and the wastewater outlet pipe of the second secondary sedimentation tank are both connected with the post-treatment mechanism.
As one embodiment, the water outlet main is connected with the first water outlet branch pipe and the second water outlet branch pipe through a three-way regulating valve.
In one embodiment, a sludge return branch pipe is arranged on the first sludge return pipe, and the sludge return branch pipe is connected with the anaerobic tank of the second a/O reaction mechanism.
As one embodiment, the post-treatment mechanism comprises a clarification tank and a filtering device, the wastewater outlet pipe of the first secondary sedimentation tank and the wastewater outlet pipe of the second secondary sedimentation tank are both connected with the clarification tank, and the clear water outlet pipe of the clarification tank is connected with the filtering device.
In one embodiment, the filter device comprises at least one of a sand filter device, a fiber rotary disc filter chamber and a membrane filter unit, and when there are a plurality of filter devices, the filter devices are connected in series in sequence.
As an embodiment, the pharmaceutical factory sewage treatment system further comprises a sludge treatment mechanism, and the excess sludge pipe of the first secondary sedimentation tank, the excess sludge pipe of the second secondary sedimentation tank, the sludge outlet pipe of the anaerobic reactor, the sludge outlet pipe of the first a/O reaction mechanism and the sludge outlet pipe of the second a/O reaction mechanism are all connected with the sludge treatment mechanism.
In one embodiment, the sludge treatment mechanism includes a sludge thickener and a sludge dewatering device, each excess sludge pipe and each sludge outlet pipe are connected to the sludge thickener, and the sludge thickener is connected to the sludge dewatering device through a sludge conveying pipe.
In one embodiment, the anaerobic reactor is an IC anaerobic reactor.
The utility model discloses following beneficial effect has at least:
the utility model discloses in, separately handle pharmacy sewage and domestic sewage, can design pretreatment process and AO processing technology respectively according to the nature of two kinds of sewage, can practice thrift the treatment cost effectively. The effluent of the first A/O reaction mechanism is divided into a first secondary sedimentation tank and a second secondary sedimentation tank, on one hand, the effluent of the first A/O reaction mechanism is digested by the second secondary sedimentation tank in the domestic sewage treatment subsystem, and the treatment capacity of the two secondary sedimentation tanks is fully utilized and coordinated; more importantly, a part of effluent of the first A/O reaction mechanism is mixed in the second secondary sedimentation tank, so that the sludge activity in the second secondary sedimentation tank can be effectively improved, and the sewage treatment efficiency and the sewage treatment effect of the second A/O reaction mechanism are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a pharmaceutical factory sewage treatment system provided in an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a pharmaceutical factory sewage treatment system provided by the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a pharmaceutical factory sewage treatment system, which includes a pharmaceutical sewage treatment subsystem, a domestic sewage treatment subsystem and a post-treatment mechanism; the pharmacy sewage treatment subsystem comprises an adjusting tank 11, an anaerobic reactor 12, a first A/O reaction mechanism 13 and a first secondary sedimentation tank 14 which are connected in series in sequence; the domestic sewage treatment subsystem comprises a fine grid room 21, an aeration grit chamber 22, a second A/O reaction mechanism 23 and a second sedimentation tank 24 which are connected in series in sequence; the water outlet manifold 131 of the first a/O reaction mechanism 13 is connected with a first water outlet branch pipe 133 and a second water outlet branch pipe 132, the first water outlet branch pipe 133 is connected with the first secondary sedimentation tank 14, and the second water outlet branch pipe 132 is connected with the second secondary sedimentation tank 24; a first sludge return pipe 141 connected with the anaerobic tank of the first A/O reaction mechanism 13 is arranged on the first secondary sedimentation tank 14, and a second sludge return pipe 241 connected with the anaerobic tank of the second A/O reaction mechanism 23 is arranged on the second secondary sedimentation tank 24; the wastewater outlet pipe of the first secondary sedimentation tank 14 and the wastewater outlet pipe of the second secondary sedimentation tank 24 are both connected with the post-treatment mechanism.
The regulating tank 11 is mainly used for regulating and homogenizing water quantity and water quality, so that the balance and stability of the water quantity and the water quality in the subsequent biochemical treatment process are ensured, and in addition, organic matters in the pharmaceutical wastewater can play a certain role in degradation, so that the treatment effect is improved to a certain extent; correspondingly, the adjusting tank 11 is connected with a pharmaceutical sewage supply pipe and a water adding pipe.
In one embodiment, the anaerobic reactor 12 is an IC (internal circulation) anaerobic reactor 12, which can effectively improve the treatment effect and efficiency of pharmaceutical wastewater, wherein the specific structure of the IC anaerobic reactor 12 is conventional in the art and will not be described herein.
The a/O reaction mechanism is a common sewage treatment facility, the first a/O reaction mechanism 13 includes a first anaerobic tank and a first aerobic tank, and the structures and treatment modes of the first anaerobic tank and the first aerobic tank are conventional technologies in the art, and are not described herein again. Similarly, the second a/O reaction mechanism 23 includes a second anaerobic tank and a second aerobic tank, and the detailed structure thereof is omitted here. The fine grid room 21, the aeration grit chamber 22, the secondary sedimentation tank and the like are all common facilities in the sewage treatment field, and the specific structure is not described herein.
The sludge in the secondary sedimentation tank flows back to the anaerobic tank of the A/O reaction mechanism, and the sewage treatment efficiency and the sewage treatment effect in the anaerobic tank can be improved by utilizing the activated sludge.
In the embodiment, the pharmaceutical sewage and the domestic sewage are separately treated, and the pretreatment process and the A/O treatment process can be respectively designed according to the properties of the two kinds of sewage, so that the treatment cost can be effectively saved. The effluent of the first A/O reaction mechanism 13 is divided into a first secondary sedimentation tank 14 and a second secondary sedimentation tank 24, on one hand, the effluent of the first A/O reaction mechanism 13 is digested by the second secondary sedimentation tank 24 in the domestic sewage treatment subsystem, and the treatment capacity of the two secondary sedimentation tanks is fully utilized and coordinated; more importantly, a part of the effluent of the first A/O reaction mechanism 13 is mixed in the second sedimentation tank 24, so that the sludge activity in the second sedimentation tank 24 can be effectively improved, and the sewage treatment efficiency and the sewage treatment effect of the second A/O reaction mechanism 23 can be improved.
Further preferably, the outlet manifold 131 is connected to the first outlet branch 133 and the second outlet branch 132 through a three-way regulating valve. Through the three-way regulating valve, the flow ratio of the first water outlet branch pipe 133 and the second water outlet branch pipe 132 can be regulated, and the effects of regulating the treatment capacity of the two secondary sedimentation tanks and regulating the sludge activity in the secondary sedimentation tank 24 are achieved. In one embodiment, the three-way regulating valve is an automatic valve, liquid level meters can be respectively arranged in the first secondary sedimentation tank 14 and the second secondary sedimentation tank 24, and/or flow meters can be respectively arranged on the first water outlet branch pipe 133, the second water outlet branch pipe 132 and the water inlet pipe (connected with the second a/O reaction mechanism 23) of the second secondary sedimentation tank 24, and each liquid level meter and/or each flow meter is interlocked and controlled with the three-way regulating valve.
Preferably, control valves are respectively disposed on the water outlet main 131, the first water outlet branch pipe 133 and the second water outlet branch pipe 132, and the control valves may be shut valves, flow regulating valves, or a combination valve group of shut valves and flow regulating valves.
In one embodiment, as shown in fig. 1, a sludge return branch pipe 142 is provided on the first sludge return pipe 141, and the sludge return branch pipe 142 is connected to the anaerobic tank of the second a/O reaction mechanism 23. Can draw the mud of the first secondary sedimentation pond 14 of part according to the concrete operating mode and get into second A/O reaction mechanism 23, further guarantee second A/O reaction mechanism 23's sewage treatment effect and efficiency, the production flexibility ratio is higher.
In one embodiment, as shown in fig. 2, the post-treatment mechanism comprises a clarification tank 3 and a filtering device, the wastewater outlet pipe of the first secondary sedimentation tank 14 and the wastewater outlet pipe of the second secondary sedimentation tank 24 are both connected with the clarification tank 3, and the clear water outlet pipe of the clarification tank 3 is connected with the filtering device. Wherein, preferably, the filtering device comprises at least one of a sand filtering device, a fiber rotary disc filter 41 and a membrane filtering unit 42, and when there are multiple filtering devices, the filtering devices are connected in series in sequence. Optionally, the filtering apparatus includes a fiber rotary disc filter 41 and a membrane filtering unit 42, wherein a clean water outlet pipe of the clarification tank 3 is connected with the fiber rotary disc filter 41, a clean water outlet pipe of the fiber rotary disc filter 41 is connected with the membrane filtering unit 42, and the membrane filtering unit 42 is connected with a standard discharge pipe; and a bypass pipe is further configured, one end of the bypass pipe is connected to the clean water outlet pipe of the fiber rotary disc filter 41, the other end of the bypass pipe is connected to the standard discharge pipe, a bypass valve is arranged on the bypass pipe, a control valve is arranged on the clean water outlet pipe of the fiber rotary disc filter 41 and is positioned between the bypass pipe and the membrane filtering unit 42, based on the design, whether the outlet water of the fiber rotary disc filter 41 enters the membrane filtering unit 42 or not can be controlled according to production working conditions (such as raw water quality, flow ratio of pharmaceutical sewage to domestic sewage and the like), the treatment load of the membrane filtering unit 42 can be effectively reduced, the production cost is reduced and the service life of the membrane filtering unit 42 is prolonged on the premise of meeting the standard discharge requirement.
Further optimizing the pharmaceutical factory sewage treatment system, as shown in fig. 2, the pharmaceutical factory sewage treatment system further comprises a sludge treatment mechanism, wherein the excess sludge pipe of the first secondary sedimentation tank 14, the excess sludge pipe of the second secondary sedimentation tank 24, the sludge outlet pipe of the anaerobic reactor 12, the sludge outlet pipe of the first a/O reaction mechanism 13 and the sludge outlet pipe of the second a/O reaction mechanism 23 are connected with the sludge treatment mechanism. In one embodiment, the sludge treatment mechanism comprises a sludge concentration tank 51 and a sludge dewatering device 52, each excess sludge pipe and each sludge outlet pipe are connected to the sludge concentration tank 51, and the sludge concentration tank 51 is connected with the sludge dewatering device 52 through a sludge conveying pipe; wherein, the sludge dewatering device 52 can adopt a stack screw dewatering machine, a plate-and-frame filter press and the like.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a pharmaceutical factory sewage treatment system which characterized in that: comprises a pharmaceutical sewage treatment subsystem, a domestic sewage treatment subsystem and a post-treatment mechanism; the pharmaceutical sewage treatment subsystem comprises an adjusting tank, an anaerobic reactor, a first A/O reaction mechanism and a first secondary sedimentation tank which are sequentially connected in series; the domestic sewage treatment subsystem comprises fine grid chambers, an aeration grit chamber, a second A/O reaction mechanism and a second sedimentation tank which are connected in series in sequence; the water outlet main pipe of the first A/O reaction mechanism is connected with a first water outlet branch pipe and a second water outlet branch pipe, the first water outlet branch pipe is connected with the first secondary sedimentation tank, and the second water outlet branch pipe is connected with the second secondary sedimentation tank; a first sludge return pipe connected with the anaerobic tank of the first A/O reaction mechanism is arranged on the first secondary sedimentation tank, and a second sludge return pipe connected with the anaerobic tank of the second A/O reaction mechanism is arranged on the second secondary sedimentation tank; and the wastewater outlet pipe of the first secondary sedimentation tank and the wastewater outlet pipe of the second secondary sedimentation tank are both connected with the post-treatment mechanism.
2. The pharmaceutical factory wastewater treatment system of claim 1, wherein: the water outlet main pipe is connected with the first water outlet branch pipe and the second water outlet branch pipe through a three-way regulating valve.
3. The pharmaceutical factory wastewater treatment system of claim 1, wherein: and a sludge return branch pipe is arranged on the first sludge return pipe and is connected with the anaerobic tank of the second A/O reaction mechanism.
4. The pharmaceutical factory wastewater treatment system of claim 1, wherein: the post-treatment mechanism comprises a clarification tank and a filtering device, the wastewater outlet pipe of the first secondary sedimentation tank and the wastewater outlet pipe of the second secondary sedimentation tank are both connected with the clarification tank, and the clear water outlet pipe of the clarification tank is connected with the filtering device.
5. The pharmaceutical factory wastewater treatment system of claim 4, wherein: the filtering device comprises at least one of a sand filtering device, a fiber rotary disc filter tank and a membrane filtering unit, and when various filtering devices exist, all the filtering devices are sequentially connected in series.
6. The pharmaceutical factory wastewater treatment system of claim 1, wherein: the system also comprises a sludge treatment mechanism, wherein the excess sludge pipe of the first secondary sedimentation tank, the excess sludge pipe of the second secondary sedimentation tank, the sludge outlet pipe of the anaerobic reactor, the sludge outlet pipe of the first A/O reaction mechanism and the sludge outlet pipe of the second A/O reaction mechanism are all connected with the sludge treatment mechanism.
7. The pharmaceutical factory wastewater treatment system of claim 6, wherein: the sludge treatment mechanism comprises a sludge thickening tank and a sludge dewatering device, each residual sludge pipe and each sludge outlet pipe are connected to the sludge thickening tank, and the sludge thickening tank is connected with the sludge dewatering device through a sludge conveying pipe.
8. The pharmaceutical factory wastewater treatment system of claim 1, wherein: the anaerobic reactor is an IC anaerobic reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221058981.1U CN217578609U (en) | 2022-04-29 | 2022-04-29 | Pharmaceutical factory sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221058981.1U CN217578609U (en) | 2022-04-29 | 2022-04-29 | Pharmaceutical factory sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217578609U true CN217578609U (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221058981.1U Active CN217578609U (en) | 2022-04-29 | 2022-04-29 | Pharmaceutical factory sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217578609U (en) |
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2022
- 2022-04-29 CN CN202221058981.1U patent/CN217578609U/en active Active
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