CN109081523A - A kind of slaughterhouse wastewater treatment device and method - Google Patents
A kind of slaughterhouse wastewater treatment device and method Download PDFInfo
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- CN109081523A CN109081523A CN201811109045.7A CN201811109045A CN109081523A CN 109081523 A CN109081523 A CN 109081523A CN 201811109045 A CN201811109045 A CN 201811109045A CN 109081523 A CN109081523 A CN 109081523A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a kind of slaughterhouse wastewater treatment device and method, belong to technical field of waste water processing.The processing unit includes sequentially connected grid, oil partiting precipitation pool, conditioning tank, anaerobic pond, anoxic pond, aerobic tank, coagulative precipitation tank and sterilization pool, the aerobic tank is connect with the anaerobic pond, the mud discharging mouth of the oil partiting precipitation pool and coagulative precipitation tank is connect with sludge concentration tank, the sludge concentration tank is connect with conditioning tank and sludge dehydration device respectively, and the sludge dehydration device is connect with the conditioning tank.It can reach " discharge standard of water pollutants for meat paching industry " (GB13457-92) primary standard by the slaughtering wastewater that the present invention is handled, treatment effect is stablized, and threat of the slaughtering wastewater to environment can be effectively relieved in economical rationality.
Description
Technical field
The invention belongs to technical field of waste water processing, more specifically to a kind of slaughterhouse wastewater treatment device and method.
Background technique
The main source of slaughtering wastewater is the sewage containing fill for dividing workshop discharge, changes the discharge of fatty oil workshop
Greasy sewage, ground flushing water etc., high concentration organic compounds containing nitrogen and blood stains grease, fur, meat mincing are contained in sewage
Bone bits, do not digest the pollutants such as food and excrement at interior soil, and concentration of suspension is higher, and water is in bronzing and has apparent
Bad smell, is a kind of typical high concentrated organic wastewater, waste water it is biochemical functional, and generally without containing a huge sum of money in waste water
Category and toxic chemical substance.Such waste water such as without processing direct emission, can cause to seriously endanger to ambient enviroment.
Although having many researchs to the processing of slaughtering wastewater both at home and abroad at present, treatment effect is not ideal, or goes out
It is too high and can not promote and apply in China that emission request or cost is not achieved in water water quality.
Summary of the invention
Goal of the invention: in view of the above-mentioned problems existing in the prior art, the purpose of the present invention is to provide a kind of slaughtering wastewaters
Processing unit can reach " discharge standard of water pollutants for meat paching industry " (GB13457-92) by the waste water that the device is handled
Primary standard, another object of the present invention is to provide the slaughterhouse wastewater treatment methods for using the device.
Technical solution: to solve the above-mentioned problems, the technical solution adopted in the present invention is as follows:
A kind of slaughterhouse wastewater treatment device, including sequentially connected grid, oil partiting precipitation pool, conditioning tank, anaerobic pond, anoxic
Pond, aerobic tank, coagulative precipitation tank and sterilization pool, the aerobic tank are connect with the anaerobic pond, the oil partiting precipitation pool and coagulation
The mud discharging mouth of sedimentation basin is connect with sludge concentration tank, and the sludge concentration tank connects with conditioning tank and sludge dehydration device respectively
It connects, the sludge dehydration device is connect with the conditioning tank.
The grid gap of the grid is 5mm.
The oil partiting precipitation pool uses flat flow structure, and running vehicle type is equipped in pond and mentions target oil skimming mud scraper, the oil removal is heavy
Shallow lake pond both ends are equipped with oil slick dross pond sum aggregate slag bath.
Filler is respectively provided in the anaerobic pond, anoxic pond and aerobic tank, the anaerobic pond is stirred with anoxic pond bottom setting diving
Mix machine.
A kind of slaughterhouse wastewater treatment method using above-mentioned apparatus, comprising the following steps:
(1) slaughtering wastewater is passed through oil partiting precipitation pool after grid intercepts agglomerate floater；
(2) water is greater than by grease, oil clot and most of not soluble in water, density that oil partiting precipitation pool removes useless water float
Impurity, water outlet gravity flow enter conditioning tank；
(3) after conditioning tank is homogenized water quality, water and adjusts pH, water outlet enters anaerobic pond；
(4) it is handled by anaerobic pond, removes part hardly degraded organic substance, water outlet enters anoxic pond；
(5) further removal hardly degraded organic substance is handled by anoxic pond, treated, and waste water gravity flow enters aerobic tank；
(6) waste water carries out aerobic treatment in aerobic tank, and the part nitrification liquid of aerobic tank is back to anaerobic pond, aerobic
Pond water outlet enters coagulative precipitation tank；
(7) into coagulative precipitation tank dosing coagulant to remove SS, CODcrAnd part BOD5, coloration is reduced, water outlet enters
Sterilization pool；
(8) pass through discharge outlet qualified discharge after the sterilized pond disinfection clarification of waste water；
(9) oil partiting precipitation pool and the excess sludge of coagulative precipitation tank discharge are emitted into sludge concentration tank, by sludge dewatering
Mud cake is transported outward after device dehydration, and the supernatant of sludge concentration tank and the percolate of sludge dehydration device are back to conditioning tank progress
Reprocessing.
Residence time of the waste water in oil partiting precipitation pool is 2~3h, residence time in conditioning tank is 10~
12h, the residence time in anaerobic pond are 2~4h, and the residence time in anoxic pond is 3~4h, the stop in aerobic tank
Time is 4~6h.
Using WQ submersible sewage pump by the waste water lifting in conditioning tank into anaerobic pond.
It is supplied oxygen using trilobal cross Roots blower to the aerobic tank.
The utility model has the advantages that compared with the prior art, can reach " meat-packing industry water by the slaughtering wastewater that the present invention is handled
Pollutant emission standard " (GB13457-92) primary standard, treatment effect stablize, economical rationality, can be effectively relieved butcher it is useless
Threat of the water to environment.
Detailed description of the invention
Fig. 1 is sewage treatment technology process schematic diagram of the invention；
Fig. 2 is sludge treatment technique flow chart of the invention.
Specific embodiment
The present invention is further described below combined with specific embodiments below.
Embodiment
A kind of slaughterhouse wastewater treatment device of the present embodiment, as depicted in figs. 1 and 2, including sequentially connected mechanical grille,
Oil partiting precipitation pool, conditioning tank, anaerobic pond, anoxic pond, aerobic tank, coagulative precipitation tank and sterilization pool, between conditioning tank and anaerobic pond
Equipped with WQ submersible sewage pump, aerobic tank is connect by reflux pump with anaerobic pond, the mud discharging mouth of oil partiting precipitation pool and coagulative precipitation tank
It is connect with sludge concentration tank, sludge concentration tank is connect with conditioning tank and sludge dehydration device respectively, sludge dehydration device and adjusting
Pond connection.
Wherein, grille well is arranged in mechanical grille, and the grid gap of grid is 5mm；Oil partiting precipitation pool uses flat flow structure, in pond
Target oil skimming mud scraper is mentioned equipped with running vehicle type, both ends are equipped with oil slick dross pond sum aggregate slag bath；In anaerobic pond, anoxic pond and aerobic tank
Filler is set, and anaerobic pond and anoxic pond bottom are arranged diving mixer, prevent pool bottom sludge from precipitating；Grille well design size 2.6m ×
0.60m × 2.70m, the size of oil partiting precipitation pool are 25m × 3.2m × 3.7m, and the size of conditioning tank is 25m × 13m × 3.7m.
The design wastewater treatment flow of above-mentioned apparatus is 2600m3/ d, using above-mentioned apparatus to certain slaughtering wastewater at
Reason, influent quality index are as follows: COD:2450mg/L, BOD5: 1150mg/L, SS:800mg/L, pH:6~8, NH3- N:120mg/L,
Animal fat: 150mg/L.
Processing step are as follows:
(1) slaughtering wastewater to be processed intercepts agglomerate floater such as blood stains, fur, meat mincing etc. through grid, subsequent to guarantee
The normal operation of equipment, waste water enters oil partiting precipitation pool later.
(2) oil partiting precipitation pool uses flat flow structure, and the grease, oil clot and major part that can remove floating do not dissolve in
The contamination precipitation that water, density are greater than water gets off, and a running vehicle type is set in oil partiting precipitation pool and mentions target oil skimming mud scraper, upper slash oil slick,
Under scrape heavy mud, mud scraper is back and forth run.
(3) oil partiting precipitation pool water outlet gravity flow enters conditioning tank, and conditioning tank main function is homogenizing water quality, water and pH tune
Section.
(4) waste water in conditioning tank is drawn onto biochemistry pool with pumping and carries out biochemical treatment, waste water after being reacted by anaerobic pond
The organic matter ratio of middle dissolution dramatically increases, BOD5/CODcrValue improves, and is conducive to the removal of hardly degraded organic substance.
(5) waste water flows automatically after anaerobic pond enters anoxic pond processing, further removes hardly degraded organic substance.
(6) waste water gravity flow enters aerobic tank processing after anoxic treatment, and the part nitrification liquid of aerobic tank is back to anaerobic pond, passes through
Waste water after aerobic treatment enters coagulative precipitation tank.
(7) dosing coagulant in coagulative precipitation tank enters sediment fraction, further after being mixed using pipe-line mixer
Remove SS, CODcrAnd part BOD5, reduce coloration.
(8) coagulative precipitation tank water outlet enters sterilization pool, is carried out disinfection using chlorine tablets, to ensure that effluent quality reaches discharge mark
Quasi- and do not impact to local resident's life, water outlet can qualified discharge by discharge outlet after disinfection clarification.
(9) oil partiting precipitation pool and the excess sludge of coagulative precipitation tank discharge are emitted into sludge concentration tank, by sludge dewatering
Mud cake is transported outward after device dehydration, and the supernatant of sludge concentration tank and the percolate of sludge dehydration device are back to conditioning tank progress
Reprocessing.
Wherein, residence time of the waste water in oil partiting precipitation pool is 2.5h, and the residence time in conditioning tank is 10h,
Residence time in anaerobic pond is 2.5h, and the residence time in anoxic pond is 4h, and the residence time in aerobic tank is 6h.
The correlation water index of waste water before and after the processing is shown in Table 1, illustrates that final outflow water water quality fully meets " meat packing work
Industry pollution discharge standard " (GB13457-92) primary standard requirement.
The water quality indicator of the waste water before and after the processing of table 1
Claims (8)
1. a kind of slaughterhouse wastewater treatment device, which is characterized in that including sequentially connected grid, oil partiting precipitation pool, conditioning tank, detest
Oxygen pond, anoxic pond, aerobic tank, coagulative precipitation tank and sterilization pool, the aerobic tank are connect with the anaerobic pond, the oil removal precipitating
The mud discharging mouth of pond and coagulative precipitation tank is connect with sludge concentration tank, and the sludge concentration tank is de- with conditioning tank and sludge respectively
Water installations connection, the sludge dehydration device are connect with the conditioning tank.
2. the apparatus according to claim 1, which is characterized in that the grid gap of the grid is 5mm.
3. the apparatus according to claim 1, which is characterized in that the oil partiting precipitation pool uses flat flow structure, sets in pond
There is running vehicle type to mention target oil skimming mud scraper, the oil partiting precipitation pool both ends are equipped with oil slick dross pond sum aggregate slag bath.
4. the apparatus according to claim 1, which is characterized in that be respectively provided with and fill out in the anaerobic pond, anoxic pond and aerobic tank
Diving mixer is arranged in material, the anaerobic pond and anoxic pond bottom.
5. a kind of slaughterhouse wastewater treatment method using claim 1 described device, which comprises the following steps:
(1) slaughtering wastewater is passed through oil partiting precipitation pool after grid intercepts agglomerate floater；
(2) the miscellaneous of water is greater than by grease, oil clot and most of not soluble in water, density that oil partiting precipitation pool removes useless water float
Matter, water outlet gravity flow enter conditioning tank；
(3) after conditioning tank is homogenized water quality, water and adjusts pH, water outlet enters anaerobic pond；
(4) it is handled by anaerobic pond, removes part hardly degraded organic substance, water outlet enters anoxic pond；
(5) further removal hardly degraded organic substance is handled by anoxic pond, treated, and waste water gravity flow enters aerobic tank；
(6) waste water carries out aerobic treatment in aerobic tank, and the part nitrification liquid of aerobic tank is back to anaerobic pond, and aerobic tank goes out
Water enters coagulative precipitation tank；
(7) into coagulative precipitation tank dosing coagulant to remove SS, CODcrAnd part BOD5, coloration is reduced, water outlet enters disinfection
Pond；
(8) pass through discharge outlet qualified discharge after the sterilized pond disinfection clarification of waste water；
(9) oil partiting precipitation pool and the excess sludge of coagulative precipitation tank discharge are emitted into sludge concentration tank, by sludge dehydration device
Mud cake is transported outward after dehydration, and the supernatant of sludge concentration tank and the percolate of sludge dehydration device are back to conditioning tank and are located again
Reason.
6. according to the method described in claim 5, it is characterized in that, residence time of the waste water in oil partiting precipitation pool is 2
~3h, the residence time in conditioning tank are 10~12h, and the residence time in anaerobic pond is 2~4h, are stopped in anoxic pond
Staying the time is 3~4h, and the residence time in aerobic tank is 4~6h.
7. according to the method described in claim 5, it is characterized in that, using WQ submersible sewage pump by the waste water lifting in conditioning tank to detesting
In oxygen pond.
8. according to the method described in claim 5, it is characterized in that, being supplied using trilobal cross Roots blower to the aerobic tank
Oxygen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811109045.7A CN109081523A (en) | 2018-09-21 | 2018-09-21 | A kind of slaughterhouse wastewater treatment device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811109045.7A CN109081523A (en) | 2018-09-21 | 2018-09-21 | A kind of slaughterhouse wastewater treatment device and method |
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| Publication Number | Publication Date |
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| CN109081523A true CN109081523A (en) | 2018-12-25 |
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| CN201811109045.7A Pending CN109081523A (en) | 2018-09-21 | 2018-09-21 | A kind of slaughterhouse wastewater treatment device and method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987795A (en) * | 2019-04-25 | 2019-07-09 | 云南今业生态建设集团有限公司 | One kind butchering field sewage disposal system |
| CN110127958A (en) * | 2019-06-19 | 2019-08-16 | 重庆环保投资有限公司 | The sewage-treatment plant and processing method of multiple spot reflux |
| CN110697985A (en) * | 2019-10-24 | 2020-01-17 | 山丹县康源清真牛羊肉食品有限责任公司 | Slaughterhouse effluent disposal system |
| CN111153558A (en) * | 2020-01-20 | 2020-05-15 | 上海泓济环保科技股份有限公司 | Garbage transfer station leachate treatment device and treatment method thereof |
| CN112047583A (en) * | 2020-09-27 | 2020-12-08 | 云南今业生态建设集团有限公司 | Slaughterhouse sewage treatment process |
| CN113185057A (en) * | 2021-04-24 | 2021-07-30 | 东莞市盛象环境科技有限公司 | Pig slaughtering wastewater standard treatment equipment and operation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205368039U (en) * | 2016-01-06 | 2016-07-06 | 岑溪市华鸿污水处理有限公司 | Slaughterhouse sewage treatment device |
| CN205616737U (en) * | 2016-05-13 | 2016-10-05 | 华中科技大学 | Effluent disposal system slaughters |
| CN208898713U (en) * | 2018-09-21 | 2019-05-24 | 江苏开放大学（江苏城市职业学院） | A kind of slaughterhouse wastewater treatment dedicated unit |
-
2018
- 2018-09-21 CN CN201811109045.7A patent/CN109081523A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205368039U (en) * | 2016-01-06 | 2016-07-06 | 岑溪市华鸿污水处理有限公司 | Slaughterhouse sewage treatment device |
| CN205616737U (en) * | 2016-05-13 | 2016-10-05 | 华中科技大学 | Effluent disposal system slaughters |
| CN208898713U (en) * | 2018-09-21 | 2019-05-24 | 江苏开放大学（江苏城市职业学院） | A kind of slaughterhouse wastewater treatment dedicated unit |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987795A (en) * | 2019-04-25 | 2019-07-09 | 云南今业生态建设集团有限公司 | One kind butchering field sewage disposal system |
| CN110127958A (en) * | 2019-06-19 | 2019-08-16 | 重庆环保投资有限公司 | The sewage-treatment plant and processing method of multiple spot reflux |
| CN110697985A (en) * | 2019-10-24 | 2020-01-17 | 山丹县康源清真牛羊肉食品有限责任公司 | Slaughterhouse effluent disposal system |
| CN111153558A (en) * | 2020-01-20 | 2020-05-15 | 上海泓济环保科技股份有限公司 | Garbage transfer station leachate treatment device and treatment method thereof |
| CN112047583A (en) * | 2020-09-27 | 2020-12-08 | 云南今业生态建设集团有限公司 | Slaughterhouse sewage treatment process |
| CN113185057A (en) * | 2021-04-24 | 2021-07-30 | 东莞市盛象环境科技有限公司 | Pig slaughtering wastewater standard treatment equipment and operation method thereof |
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