CN210261476U - Processing factory effluent treatment plant is slaughtered to meat - Google Patents
Processing factory effluent treatment plant is slaughtered to meat Download PDFInfo
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- CN210261476U CN210261476U CN201921077947.7U CN201921077947U CN210261476U CN 210261476 U CN210261476 U CN 210261476U CN 201921077947 U CN201921077947 U CN 201921077947U CN 210261476 U CN210261476 U CN 210261476U
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- tank
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- wastewater treatment
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- 235000013372 meat Nutrition 0.000 title claims abstract description 23
- 238000010992 reflux Methods 0.000 claims abstract description 48
- 239000002351 wastewater Substances 0.000 claims abstract description 37
- 239000010802 sludge Substances 0.000 claims abstract description 29
- 238000004062 sedimentation Methods 0.000 claims abstract description 25
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000003307 slaughter Methods 0.000 claims abstract description 17
- 238000005188 flotation Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005276 aerator Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 239000003344 environmental pollutant Substances 0.000 description 5
- 238000000855 fermentation Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 238000005273 aeration Methods 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000012851 eutrophication Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 239000010842 industrial wastewater Substances 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 241000195493 Cryptophyta Species 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 238000010564 aerobic fermentation Methods 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 210000001835 viscera Anatomy 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
- Activated Sludge Processes (AREA)
Abstract
The utility model provides a wastewater treatment device for meat slaughtering and processing plants, which is characterized by comprising a mechanical grating tank, an oil separation tank, a wastewater adjusting tank, an air flotation tank, an anaerobic biochemical tank, an anaerobic reflux tank, an A/O biochemical tank, an aerobic reflux tank, a final sedimentation tank and a clean water tank which are sequentially communicated; the anaerobic reflux pool is connected with the anaerobic biochemical pool through a first reflux pipe, and the aerobic reflux pipe is connected with the A/O biochemical pool through a second reflux pipe; the air floatation tank, the anaerobic biochemical tank, the anaerobic reflux tank, the A/O biochemical tank, the aerobic reflux tank and the final sedimentation tank are communicated with a sludge tank, and the sludge tank is connected with a diaphragm filter press; the wastewater treatment equipment is provided with a PLC automatic control device for remotely controlling the wastewater treatment process of each reaction tank; the method has the advantages of reliable quality, simple and convenient maintenance, low energy consumption, smooth process flow and effluent self-flow discharge. The facility layout is reasonable, compact, beautiful and economical.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment equipment, especially, relate to a processing waste water treatment equipment is slaughtered to meat.
Background
The united nations food and agriculture organization report shows that over the past 30 years, global meat production has doubled by 1, and is expected to double again by the end of 2050. The 2004 United States Environmental Protection Agency (USEPA) classified slaughter wastewater as agricultural and food productsOne of the most harmful industrial waste waters in the category whose discharge results in eutrophication of the surface water body and contamination of the ground water. At present, slaughtering and meat processing wastewater accounts for about 6 percent of the total amount of national industrial wastewater and 36.7 percent of the total amount of agricultural and sideline food processing wastewater, and is one of important industrial wastewater in China. Slaughtering and meat processing wastewater is typical organic wastewater, is rich in protein and grease, does not contain heavy metal and toxic substances, has main nutrient substances of nitrogen (N) and phosphorus (P), and belongs to high-nitrogen high-phosphorus high-organic wastewater. Wherein nitrogen is mainly organic or ammonium salt (NH)4+) In the form of Phosphate (PO) and phosphorus4 3-) The form exists. Nitrogen and phosphorus are considered to be one of the most main factors causing eutrophication of water bodies. When nitrogen and phosphorus enter surface water, the growth speed of algae is rapidly increased, water is anoxic, water eutrophication is gradually formed, the appearance of the water is directly influenced, and the algae has toxic action on aquatic organisms.
The meat slaughtering wastewater mainly contains blood, excrement, minced meat, minced bones, grease, animal hair and the like, and the high-concentration organic wastewater has strong fishy smell and contains more pathogenic microorganisms. The random discharge of the waste water can bring about great environmental pollution. And the main pollutants in the cleaning wastewater in the slaughtering process are as follows: COD, PH, ammonia nitrogen and the like. The amount of wastewater produced by the enterprise is about 3000 tons per day, the treatment time is 24 hours, and 125 tons per hour are treated. The wastewater treatment capacity is huge, the wastewater treatment efficiency in the prior art is low, the effluent quality after wastewater treatment is low, and the wastewater treatment equipment is expensive.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above-mentioned defect, provide a processing factory effluent treatment plant is slaughtered to meat that combines anaerobic fermentation and aerobic fermentation, reliable in quality, easy and simple to handle, the energy consumption is low.
The utility model provides a following technical scheme: a meat slaughtering and processing factory wastewater treatment device comprises a mechanical grating tank, an oil separation tank, a wastewater adjusting tank, an air floatation tank, an anaerobic biochemical tank, an anaerobic reflux tank, an A/O biochemical tank, an aerobic reflux tank, a final sedimentation tank and a clean water tank which are sequentially communicated; the anaerobic reflux pool is connected with the anaerobic biochemical pool through a first reflux pipe, and the aerobic reflux pipe is connected with the A/O biochemical pool through a second reflux pipe; the air floatation tank, the anaerobic biochemical tank, the anaerobic reflux tank, the A/O biochemical tank, the aerobic reflux tank and the final sedimentation tank are communicated with a sludge tank, and the sludge tank is connected with a diaphragm filter press; the wastewater treatment equipment is provided with a PLC automatic control device for remotely controlling the wastewater treatment process of each reaction tank.
As the utility model discloses a further inject, the air supporting pond with all be equipped with intelligent medicine system in the final sedimentation tank.
As the utility model discloses a further inject, the grid clearance of the sieve mesh grid in the mechanical grating pond is 0.5 ~ 2.5 mm.
As the utility model discloses a further inject, be provided with in the air supporting pond and dissolve the gas water pump, dissolve the gas pitcher, scrape the mud machine and dissolve gas release control system.
As the utility model discloses a further inject, be provided with micropore aeration machine and the biochemical pond sludge pump that is used for discharging mud in the biochemical pond of AO and be used for the mixed liquid backwash pump in liquid to the A pond in the backward flow O pond.
As the utility model discloses a further inject, be provided with in the good oxygen backward flow pond and be used for the backward flow activated sludge's in the biochemical pond of AO central draft tube and good oxygen sludge pump.
As a further limitation of the utility model, the final sedimentation tank is an inclined tube sedimentation tank and is divided into a reaction zone and a sedimentation zone.
The utility model has the advantages that: 1) utilize mechanical grid pond and oil interceptor to keep apart impurity and grease such as solid viscera discarded object, hair in the processing factory are slaughtered to the meat, clear away through regularly scarfing cinder and regularly bailing oil, and the processing of the discarded bloody water of slaughtering in the later stage of being convenient for is clear away.
2) The waste and blood water generated by meat slaughtering can be fully fermented and utilized by anaerobic fermentation with an anaerobic biochemical tank and an anaerobic reflux tank, aerobic fermentation with an A/O biochemical tank and aerobic reflux tank, and two-step fermentation combining the anaerobic biochemical fermentation and the A/O biochemical fermentation, and the industrial grade water effluent is finally obtained.
3) The utility model provides a waste water treatment equipment quality is reliable, the maintenance is simple and convenient, the energy consumption is low, and process flow is smooth and easy, goes out the water and flows automatically and discharges. The facility layout is reasonable, compact, beautiful and economical.
Drawings
The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 is the utility model provides a pair of processing factory effluent treatment plant device schematic diagram is slaughtered to meat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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 work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
As shown in figure 1, the utility model provides a waste water treatment device for meat slaughtering and processing plants, which comprises a mechanical grating tank, an oil separation tank, a waste water adjusting tank, an air flotation tank, an anaerobic biochemical tank, an anaerobic reflux tank, an A/O biochemical tank, an aerobic reflux tank, a final sedimentation tank and a clean water tank, wherein the grating gaps of sieve mesh gratings which are sequentially communicated are 2.00 mm; the air flotation tank and the final sedimentation tank are internally provided with intelligent dosing systems, and the wastewater treatment equipment is provided with PLC automatic control equipment for remotely controlling wastewater treatment processes of the reaction tanks.
The comprehensive waste water in workshop is arranged to the grid pond after pipeline collection, is equipped with mechanical grid in the pond, can effectually get rid of large particle impurity such as animal hair, viscera in the waste water, and the waste water after grid treatment flows to the oil interceptor automatically, sets up 3 oil removal barricades in the oil removal, can effectually get rid of the oil slick and the showy material in the waste water. The wastewater after the oil removal treatment automatically flows to a wastewater adjusting tank. An aeration pipe network is arranged in the wastewater adjusting tank to balance water quality, and the wastewater after being homogenized and metered in the adjusting tank is pumped to the air floatation tank by a pump.
The wastewater is pumped into an air floatation tank, and simultaneously, a proper amount of medicament (alkali, PAC, PAM) is added, the medicament and the wastewater enter an air floatation zone for treatment after reaction, suspended pollutants in the wastewater can be effectively removed after the wastewater passes through an air floatation device, an air dissolving water pump, an air dissolving tank, a mud scraper and an air dissolving and releasing control system are arranged in the air floatation tank, and the wastewater automatically flows to an anaerobic biochemical tank for treatment after air floatation treatment. The anaerobic biochemical retention time is more than 24 hours. The anaerobic reflux pool is connected with the anaerobic biochemical pool through a first reflux pipe, the aerobic reflux pipe is connected with the A/O biochemical pool through a second reflux pipe, the wastewater after anaerobic biochemical treatment flows to the anaerobic reflux pool automatically for sedimentation, the settled anaerobic sludge flows back to the anaerobic biochemical pool, and the supernatant flows to the A/O biochemical pool automatically;
the wastewater enters an A/O biochemical tank, the biochemical time is longer than 24 hours, an aeration device and activated sludge are arranged in the biochemical tank, the wastewater can effectively remove residual pollutants in the wastewater after being treated by a biochemical system, and the mixed liquid after being treated by biochemical flows to an aerobic reflux tank automatically;
the aerobic reflux pool is internally provided with a central guide cylinder and an aerobic sludge pump which are used for refluxing the activated sludge in the A/O biochemical pool, the activated sludge precipitated in the aerobic reflux pool reflows to the A pool under the action of the central guide cylinder and the aerobic sludge pump, the A/O biochemical pool is internally provided with a microporous aerator, a biochemical pool sludge pump used for discharging sludge and a mixed liquid reflux pump used for refluxing liquid in the O pool to the A pool, the mixed liquid in the A pool reflows to the O pool through the mixed liquid reflux pump according to the reflux ratio of 1:1, and supernatant treated by the aerobic reflux pool automatically flows to a final sedimentation pool.
The final sedimentation tank is an inclined tube sedimentation tank and is divided into a reaction zone and a sedimentation zone, a proper amount of alkali (alkali, PAC (polyaluminium chloride), PAM (polyacrylamide) is added when the wastewater enters the reaction zone, the reagent and the wastewater react and then enter the sedimentation zone for sedimentation, and supernatant after sedimentation is discharged to a clean water tank. The clear water in the clear water pond can be reused for washing slaughtered livestock pens, and the residual clear water can be discharged after reaching the standard.
The air flotation tank, the anaerobic biochemical tank, the anaerobic reflux tank, the A/O biochemical tank, the aerobic reflux tank and the final sedimentation tank are communicated with a sludge tank, the sludge tank is connected with a diaphragm filter press, residual sludge in the air flotation tank, the biochemical system and sludge in the final sedimentation tank are periodically discharged to the sludge tank, the sludge in the sludge tank is pumped to the diaphragm filter press by a pump for solid-liquid separation, filtrate is discharged to a wastewater adjusting tank, and dry sludge is safely treated according to the requirements of environmental protection departments.
After being treated by the equipment, the wastewater can achieve the expected treatment effect as shown in the following table 1, and the pollutants can reach the secondary emission standard specified in table 3 in the discharge standard of pollutants for meat processing industry (GB 13457-92).
Expected treatment effect of wastewater Table 1 (PH outer unit: mg/l)
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (7)
1. A meat slaughtering and processing factory wastewater treatment device is characterized by comprising a mechanical grating tank, an oil separation tank, a wastewater adjusting tank, an air flotation tank, an anaerobic biochemical tank, an anaerobic reflux tank, an A/O biochemical tank, an aerobic reflux tank, a final sedimentation tank and a clean water tank which are sequentially communicated; the anaerobic reflux pool is connected with the anaerobic biochemical pool through a first reflux pipe, and the aerobic reflux pipe is connected with the A/O biochemical pool through a second reflux pipe; the air floatation tank, the anaerobic biochemical tank, the anaerobic reflux tank, the A/O biochemical tank, the aerobic reflux tank and the final sedimentation tank are communicated with a sludge tank, and the sludge tank is connected with a diaphragm filter press; the wastewater treatment equipment is provided with a PLC automatic control device for remotely controlling the wastewater treatment process of each reaction tank.
2. The wastewater treatment equipment for meat slaughtering and processing plants according to claim 1, wherein intelligent dosing systems are arranged in the air flotation tank and the final sedimentation tank.
3. The wastewater treatment equipment for meat slaughtering and processing plants according to claim 1, wherein the grid gaps of the sieve mesh grids in the mechanical grid pond are 0.5-2.5 mm.
4. The wastewater treatment equipment for meat slaughtering and processing plants according to claim 1, wherein a dissolved air water pump, a dissolved air tank, a mud scraper and a dissolved air release control system are arranged in the air flotation tank.
5. The wastewater treatment equipment for meat slaughtering and processing plants according to claim 1, wherein a microporous aerator, a biochemical pond sludge pump for discharging sludge and a mixed liquid reflux pump for refluxing liquid in the O pond to the A pond are arranged in the A/O biochemical pond.
6. The wastewater treatment equipment for meat slaughtering and processing plants according to claim 1, wherein a central guide cylinder and an aerobic sludge pump for refluxing the activated sludge in the A/O biochemical tank are arranged in the aerobic reflux tank.
7. The meat slaughtering and processing plant wastewater treatment device of claim 1, wherein the final sedimentation tank is a tube settler, and is divided into a reaction zone and a sedimentation zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921077947.7U CN210261476U (en) | 2019-07-11 | 2019-07-11 | Processing factory effluent treatment plant is slaughtered to meat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921077947.7U CN210261476U (en) | 2019-07-11 | 2019-07-11 | Processing factory effluent treatment plant is slaughtered to meat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210261476U true CN210261476U (en) | 2020-04-07 |
Family
ID=70048428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921077947.7U Expired - Fee Related CN210261476U (en) | 2019-07-11 | 2019-07-11 | Processing factory effluent treatment plant is slaughtered to meat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210261476U (en) |
-
2019
- 2019-07-11 CN CN201921077947.7U patent/CN210261476U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 |