CN210313919U - Potato starch effluent disposal system - Google Patents
Potato starch effluent disposal system Download PDFInfo
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- CN210313919U CN210313919U CN201921131852.9U CN201921131852U CN210313919U CN 210313919 U CN210313919 U CN 210313919U CN 201921131852 U CN201921131852 U CN 201921131852U CN 210313919 U CN210313919 U CN 210313919U
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Abstract
The utility model discloses a potato starch wastewater treatment system, which relates to the technical field of potato wastewater treatment and comprises a protein separation module and a wastewater treatment module; protein separation module includes one-level horizontal centrifuge, second grade horizontal centrifuge and heating jar, and one-level horizontal centrifuge's entry end is connected with waste water pipeline for to input potato starch waste water in the one-level horizontal centrifuge, one-level horizontal centrifuge's exit end is connected with the heat exchanger, the heat exchanger is connected with the heating jar, and the export of heating jar is connected with second grade horizontal centrifuge through the jar of keeping in, the beneficial effects of the utility model are that: macromolecular protein in the potato starch wastewater can be effectively extracted, the obtained protein product can be used as feed and the like, and the rest wastewater can be effectively treated, so that the pressure of subsequent wastewater treatment is reduced, the additional value of starch production can be increased, and the economic benefit is improved.
Description
Technical Field
The utility model relates to a potato starch waste water treatment technical field specifically is a potato starch effluent disposal system.
Background
Potatoes belong to annual herbaceous plants of the solanaceae family, tubers of the potatoes are edible, are the fourth most important grain crops in the world, and are second only to wheat, rice and corn. The potato tuber contains a large amount of starch, can provide abundant heat for human bodies, is rich in protein, amino acid, a plurality of vitamins and minerals, and particularly has the most comprehensive vitamin content in all food crops.
The suspended matter content in the potato starch wastewater is high, and the substances such as macromolecular protein are mainly contained, if the substances are not extracted and treated, the substances directly enter a sewage treatment system, so that the efficient operation of the system is not facilitated, and the waste of resources is also caused.
Based on this, this application provides a potato starch effluent disposal system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a potato starch effluent disposal system to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a potato starch wastewater treatment system comprises a protein separation module and a wastewater treatment module; the protein separation module comprises a primary horizontal centrifuge, a secondary horizontal centrifuge and a heating tank, wherein the inlet end of the primary horizontal centrifuge is connected with a wastewater pipeline for inputting potato starch wastewater into the primary horizontal centrifuge, the outlet end of the primary horizontal centrifuge is connected with a heat exchanger, the heat exchanger is connected with the heating tank, the outlet of the heating tank is connected with the secondary horizontal centrifuge through a temporary storage tank, the solid-phase outlet of the secondary horizontal centrifuge is connected with a subsequent protein utilization device through a protein recovery pipeline, and the liquid-phase outlet of the secondary horizontal centrifuge is connected with a wastewater treatment module.
As a further aspect of the present invention: and a liquid phase outlet of the secondary horizontal centrifuge is connected with the heat exchanger.
As a further aspect of the present invention: the wastewater treatment module comprises an adjusting tank, a water distribution well, an SRIC (anaerobic random access memory) anaerobic reactor, a multi-stage A/O (anaerobic/anoxic/oxic) activated sludge tank, a secondary sedimentation tank, an advanced treatment tank and a clean water tank which are connected in sequence, a liquid phase outlet of a secondary horizontal centrifuge is connected with the adjusting tank through a wastewater pipeline, a submersible stirrer is installed in the adjusting tank, and the adjusting tank is also connected with an acid tank and an alkali tank through a chemical feeding pipeline; a steam heating pipeline is arranged in the water distribution well and connected with a steam heating system; a submersible stirrer and an aeration disc are arranged in the multistage A/O activated sludge tank, wherein the aeration disc is connected with an air blower through an aeration pipeline; install MBR membrane equipment in the advanced treatment tank, MBR membrane equipment's exit end and clean water basin are connected, and the clean water basin passes through the waste water pipeline and is connected with waste water discharge to reach standard system.
As a further aspect of the present invention: the bottom of the SRIC anaerobic reactor is provided with an SRIC anaerobic reactor water distribution system, two ends of the SRIC anaerobic reactor water distribution system are respectively connected with a waste water pipeline, one waste water pipeline is connected with a water distribution well and used for inputting the waste water heated by the water distribution well into the SRIC anaerobic reactor, the other waste water pipeline is connected with the SRIC anaerobic reactor and used for forming waste water circulation in the SRIC anaerobic reactor, a plurality of three-phase separators are arranged in the SRIC anaerobic reactor, and gas phase outlets of the three-phase separators are connected with a subsequent biogas utilization system through a steam-water separation tank, a biogas discharge centrifugal fan and a biogas discharge pipeline.
As a further aspect of the present invention: the heating tank is connected with a steam heating system through a steam heating pipeline, and the heating tank is further connected with a steam collecting device.
As a further aspect of the present invention: the clear water tank is connected with MBR membrane equipment through an MBR membrane backwashing pump and a wastewater pipeline, and the MBR membrane equipment is also connected with an MBR membrane acid washing tank and an MBR membrane alkali washing tank through a drug adding pipeline.
As a further aspect of the present invention: the bottom of the advanced treatment tank is also connected with a multistage A/O activated sludge tank through an MBR membrane tank reflux pump and a wastewater pipeline.
As a further aspect of the present invention: the sludge concentration tank is connected with the SRIC anaerobic reactor and the secondary sedimentation tank respectively through a sludge pump and a sludge reflux pump of the SRIC anaerobic reactor, and the secondary sedimentation tank is also connected with the multistage A/O activated sludge tank through a sludge pipeline.
As a further aspect of the present invention: the sludge concentration tank is connected with the sludge dewatering machine through a sludge pipeline and a sludge screw pump, the inlet of the sludge screw pump is also connected with a sludge flocculation agent tank through a dosing pipeline, and the sludge dewatering machine is provided with a mud cake outward transportation or incineration system.
As a further aspect of the present invention: the sludge dewatering machine and the sludge concentration tank are also connected with the regulating tank through a waste water pipeline.
Compared with the prior art, the beneficial effects of the utility model are that: macromolecular protein in the potato starch wastewater can be effectively extracted, the obtained protein product can be used as feed and the like, and the rest wastewater can be effectively treated, so that the pressure of subsequent wastewater treatment is reduced, the additional value of starch production can be increased, and the economic benefit is improved.
Drawings
FIG. 1 is a schematic structural diagram of a potato starch wastewater treatment system.
In the figure: 1-first-stage horizontal centrifuge, 2-heat exchanger, 3-second-stage horizontal centrifuge, 4-temporary storage tank, 5-heating tank, 6-regulating tank, 7-distribution well, 8-SRIC anaerobic reactor, 9-multistage A/O activated sludge tank, 10-secondary sedimentation tank, 11-deep treatment tank, 12-clean water tank, 13-sludge concentration tank, 14-sludge dewatering machine, 15-sludge screw pump, 16-MBR membrane equipment, 17-acid tank, 18-alkali tank, 19-submersible mixer, 20-three-phase separator, 21-steam-water separation tank, 22-aeration disc, 23-MBR membrane acid washing tank, 24-MBR membrane alkali washing tank, 25-sludge flocculation agent tank, 26-sludge cake external transportation or incineration system, 27-distribution well lift pump, 28-SRIC anaerobic reactor reflux pump, 29-SRIC anaerobic reactor sludge pump, 30-sewage reflux pump, 31-sludge reflux pump, 32-MBR membrane pool reflux pump, 33-MBR membrane backwash pump, 34-biogas discharge centrifugal fan, 35-potato starch wastewater, 36-subsequent protein utilization device, 37-steam collection device, 38-steam heating system, 39-subsequent biogas utilization system, 40-wastewater standard discharge system, 41-wastewater pipeline, 42-aeration pipeline, 43-dosing pipeline, 44-steam heating pipeline, 45-biogas discharge pipeline, 46-SRIC anaerobic reactor water distribution system, 47-SRIC anaerobic internal circulation system, 48-protein recovery pipeline, 49-blower, 50-guide cylinder, 51-MBR membrane pool self-priming pump.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Example 1
Referring to fig. 1, in an embodiment of the present invention, a potato starch wastewater treatment system includes a protein separation module and a wastewater treatment module;
the protein separation module comprises a primary horizontal centrifuge 1, a secondary horizontal centrifuge 3 and a heating tank 5, wherein the inlet end of the primary horizontal centrifuge 1 is connected with a waste water pipeline 41 for inputting potato starch wastewater 35 into the primary horizontal centrifuge 1, the outlet end of the primary horizontal centrifuge 1 is connected with a heat exchanger 2, the wastewater is preliminarily preheated in the heat exchanger 2, the heat exchanger 2 is connected with the heating tank 5, the heating tank 5 is connected with a steam heating system 38 through a steam heating pipeline 44, and in addition, the heating tank 5 is also connected with a steam collecting device 37 for collecting redundant steam; an outlet of the heating tank 5 is connected with the secondary horizontal centrifuge 3 through a temporary storage tank 4, wherein the heating tank 5 is used for further heating the wastewater, so that the temperature of the wastewater can reach 80-90 ℃, the temporary storage tank 4 is used for adjusting the water quality and the water quantity, after the water quality and the water quantity are stable, the wastewater enters the secondary horizontal centrifuge 3 for centrifugation to obtain wet protein, a solid phase outlet of the secondary horizontal centrifuge 3 is connected with a subsequent protein utilization device 36 through a protein recovery pipeline 48, the subsequent protein utilization device 36 can be a flash evaporation dryer and the like and is used for drying and utilizing the wet protein, and a liquid phase outlet of the secondary horizontal centrifuge 3 is connected with a wastewater treatment module;
preferably, a liquid phase outlet of the secondary horizontal centrifuge 3 is connected with the heat exchanger 2 and is used for exchanging heat with the potato starch wastewater 35 which newly enters the heat exchanger 2 to preheat the potato starch wastewater and then enters the wastewater treatment module for treatment;
the wastewater treatment module comprises an adjusting tank 6, a water distribution well 7, an SRIC anaerobic reactor 8, a multi-stage A/O activated sludge tank 9, a secondary sedimentation tank 10, an advanced treatment tank 11 and a clean water tank 12 which are connected in sequence, a liquid phase outlet of the secondary horizontal centrifuge 3 is connected with the adjusting tank 6 through a wastewater pipeline 41, the adjusting tank 6 is used for balancing water quality and water quantity and ensuring the continuous operation of a wastewater treatment unit, a submersible mixer 19 is arranged in the adjusting tank 6, and the adjusting tank 6 is also connected with an acid tank 17 and an alkali tank 18 through a chemical adding pipeline 43; the water distribution well 7 is used for heating the wastewater to raise the temperature, so that the wastewater can reach the temperature of 35 +/-3 ℃ and the subsequent SRIC anaerobic reaction is facilitated, of course, a steam heating pipeline 44 is arranged in the water distribution well 7, and the steam heating pipeline 44 is connected with the steam heating system 38;
the SRIC anaerobic reactor 8 is used for performing anaerobic reaction to degrade organic matters in wastewater and convert the organic matters into methane and water, so as to remove pollution of the wastewater, specifically, a water distribution system 46 of the SRIC anaerobic reactor is installed at the bottom of the SRIC anaerobic reactor 8, two ends of the water distribution system 46 of the SRIC anaerobic reactor are respectively connected with wastewater pipes 41, one of the wastewater pipes 41 is connected with the water distribution well 7 and is used for inputting the wastewater heated by the water distribution well 7 into the SRIC anaerobic reactor 8, the other wastewater pipe 41 is connected with the SRIC anaerobic reactor 8 and is used for forming wastewater circulation in the SRIC anaerobic reactor 8 and improving anaerobic reaction efficiency, preferably, a water distribution well lift pump 27 and a SRIC reactor reflux pump 28 are respectively installed on the two wastewater pipes 41, a plurality of three-phase separators 20 are installed in the SRIC anaerobic reactor 8, and gas phase outlets of the three-phase separators 20 pass through a steam-water separation tank 21, The biogas discharge centrifugal fan 34 and the biogas discharge pipeline 45 are connected with the subsequent biogas utilization system 39 and can be sent to the subsequent biogas utilization system 39 for power generation or used as fuel, and the like;
the multistage A/O activated sludge tank 9 is used for degrading pollutants in the wastewater and converting the pollutants into carbon dioxide and water, so that the pollution of the wastewater is eliminated, a submersible stirrer 19 and an aeration disc 22 are installed in the multistage A/O activated sludge tank 9, and the aeration disc 22 is connected with a blower 49 through an aeration pipeline 42;
the secondary sedimentation tank 10 is used for separating and treating degraded pollutants in a sludge form, the advanced treatment tank 11 is used for further purifying wastewater, specifically, an MBR membrane device 16 is installed in the advanced treatment tank 11, an outlet end of the MBR membrane device 16 is connected with a clean water tank 12, after being filtered by the MBR membrane device 16, water enters the clean water tank 12 to be stored, the clean water tank 12 is connected with a wastewater standard-reaching discharge system 40 through a wastewater pipeline 41, and can be discharged through the wastewater standard-reaching discharge system 40, preferably, in order to facilitate back flushing of the MBR membrane device 16, the clean water tank 12 is connected with the MBR membrane device 16 through an MBR membrane back-flushing pump 33 and a wastewater pipeline 41, and in addition, the MBR membrane device 16 is further connected with a membrane acid washing tank 23 and an MBR membrane alkaline washing tank 24 through a drug adding pipeline 43. The bottom of the advanced treatment tank 11 is also connected with a wastewater pipeline 41 and a multistage A/O activated sludge tank 9 through an MBR membrane tank reflux pump 32, so that wastewater can be refluxed into the multistage A/O activated sludge tank 9 for retreatment.
Example 2
Referring to fig. 1, in an embodiment of the present invention, a potato starch wastewater treatment system, the embodiment further discloses a sludge concentration tank 13 for collecting and treating sludge, the sludge concentration tank 13 is connected with the SRIC anaerobic reactor 8 and the secondary sedimentation tank 10 through a sludge pump 29 and a sludge reflux pump 31 of the SRIC anaerobic reactor, respectively, for collecting and treating sludge in the secondary sedimentation tank 10, wherein, for sludge in the secondary sedimentation tank 10, the sludge can also flow back to the multistage a/O activated sludge tank 9, that is, the secondary sedimentation tank 10 is also connected with the multistage a/O activated sludge tank 9 through a sludge pipeline.
The sludge concentration tank 13 is connected with the sludge dewatering machine 14 through a sludge pipeline and a sludge screw pump 15, and is also connected with a sludge flocculating agent tank 25 through a dosing pipeline 43 at the inlet of the sludge screw pump 15, so that the flocculation sedimentation of the sludge can be promoted, the dewatering is convenient, and a sludge cake outward transportation or incineration system 26 is arranged at the sludge dewatering machine 14.
Preferably, the sludge dewatering machine 14 and the sludge concentration tank 13 are connected to the adjusting tank 6 through a waste water pipe 41 for water discharged from the sludge dewatering machine 14 and supernatant of the sludge concentration tank 13, and the waste water is sent to the adjusting tank 6 for treatment.
It should be particularly noted that, in the technical scheme, the macromolecular protein in the potato starch wastewater can be effectively extracted, the obtained protein product can be used as feed and the like, and the rest wastewater can be effectively treated, so that the pressure of subsequent wastewater treatment is reduced, the additional value of starch production can be increased, and the economic benefit is improved.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A potato starch wastewater treatment system is characterized by comprising a protein separation module and a wastewater treatment module; the protein separation module comprises a first-stage horizontal centrifuge (1), a second-stage horizontal centrifuge (3) and a heating tank (5), wherein the inlet end of the first-stage horizontal centrifuge (1) is connected with a wastewater pipeline (41) and used for inputting potato starch wastewater (35) into the first-stage horizontal centrifuge (1), the outlet end of the first-stage horizontal centrifuge (1) is connected with a heat exchanger (2), the heat exchanger (2) is connected with the heating tank (5), the outlet of the heating tank (5) is connected with the second-stage horizontal centrifuge (3) through a temporary storage tank (4), the solid-phase outlet of the second-stage horizontal centrifuge (3) is connected with a subsequent protein utilization device (36) through a protein recovery pipeline (48), and the liquid-phase outlet of the second-stage horizontal centrifuge (3) is connected with a wastewater treatment module.
2. The potato starch wastewater treatment system according to claim 1, wherein the liquid phase outlet of the secondary horizontal centrifuge (3) is connected with the heat exchanger (2).
3. The potato starch wastewater treatment system as claimed in claim 1, wherein the wastewater treatment module comprises a regulating tank (6), a distribution well (7), an SRIC anaerobic reactor (8), a multi-stage A/O activated sludge tank (9), a secondary sedimentation tank (10), a deep treatment tank (11) and a clean water tank (12) which are connected in sequence, a liquid phase outlet of the secondary horizontal centrifuge (3) is connected with the regulating tank (6) through a wastewater pipeline (41), a submersible mixer (19) is installed in the regulating tank (6), and the regulating tank (6) is further connected with an acid tank (17) and an alkali tank (18) through a dosing pipeline (43); a steam heating pipeline (44) is arranged in the water distribution well (7), and the steam heating pipeline (44) is connected with a steam heating system (38); a submersible stirrer (19) and an aeration disc (22) are arranged in the multistage A/O activated sludge tank (9), wherein the aeration disc (22) is connected with a blower (49) through an aeration pipeline (42); install MBR membrane equipment (16) in advanced treatment tank (11), the exit end and the clean water basin (12) of MBR membrane equipment (16) are connected, and clean water basin (12) are passed through waste water pipeline (41) and are connected with waste water discharge system (40) up to standard.
4. The potato starch wastewater treatment system of claim 3, an SRIC anaerobic reactor water distribution system (46) is arranged at the bottom of the SRIC anaerobic reactor (8), two ends of the SRIC anaerobic reactor water distribution system (46) are respectively connected with a waste water pipeline (41), one of the waste water pipelines (41) is connected with the water distribution well (7) and is used for inputting the waste water heated by the water distribution well (7) into the SRIC anaerobic reactor (8), the other waste water pipeline (41) is connected with the SRIC anaerobic reactor (8), the waste water circulation device is used for forming waste water circulation in the SRIC anaerobic reactor (8), a plurality of three-phase separators (20) are installed in the SRIC anaerobic reactor (8), and gas phase outlets of the three-phase separators (20) are connected with a subsequent methane utilization system (39) through a steam-water separation tank (21), a methane discharge centrifugal fan (34) and a methane discharge pipeline (45).
5. A potato starch wastewater treatment system according to claim 3, characterized in that the heating tank (5) is connected with a steam heating system (38) through a steam heating pipeline (44), and the heating tank (5) is further connected with a steam collecting device (37).
6. The potato starch wastewater treatment system according to claim 3, wherein the clean water tank (12) is connected with the MBR membrane device (16) through an MBR membrane backwashing pump (33) and a wastewater pipe (41), and the MBR membrane device (16) is further connected with the MBR membrane pickling tank (23) and the MBR membrane caustic washing tank (24) through a drug adding pipe (43).
7. The potato starch wastewater treatment system of claim 6, wherein the bottom of the advanced treatment tank (11) is further connected with the multistage A/O activated sludge tank (9) through an MBR membrane tank reflux pump (32) and a wastewater pipeline (41).
8. The potato starch wastewater treatment system according to claim 3, 4, 5, 6 or 7, further comprising a sludge thickener (13) for collecting and treating sludge, wherein the sludge thickener (13) is respectively connected with the SRIC anaerobic reactor (8) and the secondary sedimentation tank (10) through a sludge pump (29) and a sludge reflux pump (31) of the SRIC anaerobic reactor, and the secondary sedimentation tank (10) is also connected with the multistage A/O activated sludge tank (9) through a sludge pipeline.
9. The potato starch wastewater treatment system as claimed in claim 8, wherein the sludge concentration tank (13) is connected with the sludge dewatering machine (14) through a sludge pipeline and a sludge screw pump (15), the inlet of the sludge screw pump (15) is also connected with the sludge flocculating agent tank (25) through a drug adding pipeline (43), and the sludge dewatering machine (14) is provided with a mud cake outward transportation or incineration system (26).
10. The potato starch wastewater treatment system as claimed in claim 9, wherein the sludge dewatering machine (14) and the sludge concentration tank (13) are further connected to the adjusting tank (6) through a wastewater pipe (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131852.9U CN210313919U (en) | 2019-07-18 | 2019-07-18 | Potato starch effluent disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131852.9U CN210313919U (en) | 2019-07-18 | 2019-07-18 | Potato starch effluent disposal system |
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| Publication Number | Publication Date |
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| CN210313919U true CN210313919U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921131852.9U Active CN210313919U (en) | 2019-07-18 | 2019-07-18 | Potato starch effluent disposal system |
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| CN (1) | CN210313919U (en) |
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- 2019-07-18 CN CN201921131852.9U patent/CN210313919U/en active Active
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