CN214654319U - Slaughter wastewater treatment system - Google Patents
Slaughter wastewater treatment system Download PDFInfo
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- CN214654319U CN214654319U CN202120537772.4U CN202120537772U CN214654319U CN 214654319 U CN214654319 U CN 214654319U CN 202120537772 U CN202120537772 U CN 202120537772U CN 214654319 U CN214654319 U CN 214654319U
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- wastewater
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- liquid separator
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- 238000003307 slaughter Methods 0.000 title claims abstract description 32
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 16
- 239000002351 wastewater Substances 0.000 claims abstract description 107
- 239000007788 liquid Substances 0.000 claims description 50
- 239000010802 sludge Substances 0.000 claims description 23
- 239000002893 slag Substances 0.000 claims description 12
- 238000005352 clarification Methods 0.000 claims description 11
- 210000000936 intestine Anatomy 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 11
- 210000002784 stomach Anatomy 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 238000005273 aeration Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 210000003736 gastrointestinal content Anatomy 0.000 abstract description 12
- 238000002156 mixing Methods 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 244000144972 livestock Species 0.000 description 9
- 239000002245 particle Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000008396 flotation agent Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000004615 ingredient Substances 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
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004075 wastewater filtration Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Activated Sludge Processes (AREA)
- Physical Water Treatments (AREA)
Abstract
The utility model provides a slaughter wastewater treatment system relates to waste water treatment technical field. The system comprises a first path of wastewater pretreatment system for pretreating wastewater in a colony house, wastewater in a gastrointestinal content processing room and transport vehicle washing wastewater, a second path of wastewater pretreatment system for pretreating wastewater in a slaughtering workshop and a wastewater post-treatment system, wherein the first path of wastewater pretreatment system and the second path of wastewater pretreatment system are both connected with the wastewater post-treatment system, so that the colony house wastewater, the gastrointestinal content processing room wastewater and the transport vehicle washing wastewater are mixed with the slaughtering wastewater treated by the second path of pretreatment system after being pretreated and flow into the wastewater post-treatment system for mixing treatment. The system has low cost, high safety and small influence on the quality of the surrounding air.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment technique and specifically relates to a slaughter effluent disposal system is related to.
Background
At present, livestock manure flushing water discharged from a slaughter house, ground flushing water containing blood waste and livestock manure discharged from a slaughter workshop, high-temperature water containing a large amount of pig hair discharged during scalding, which are mainly used for generating sewage by a slaughter house, and waste water containing gastrointestinal contents discharged from a workshop are dissected by a slaughter house. In addition, there is a small amount of domestic wastewater. The slaughtering wastewater has the characteristics of high chroma, high concentration of suspended particulate matters, high COD, fishy smell and the like. A large amount of organic matters in slaughter wastewater enter water body to rapidly consume dissolved oxygen in the water, so that the water quality is deteriorated, a severe environmental effect is caused, and the water body environment and human health are damaged. At present, biological treatment methods are mostly adopted at home and abroad, but the biological treatment effect is greatly influenced by factors such as temperature, pH value, pollutant existence form and the like, the simple biological treatment method is difficult to ensure good treatment effect, and meanwhile, a large amount of toxic, harmful, flammable and explosive and other malodorous gases are generated in the wastewater treatment process, the working environment condition of operators is poor, and poisoning and explosion accidents frequently occur, so that great potential safety hazards exist. Meanwhile, a large amount of generated malodorous gas influences the air quality of the surrounding environment of the project and cannot coexist and develop harmoniously with the surrounding environment.
Disclosure of Invention
An object of the utility model is to provide a slaughter effluent disposal system to the pollution that exists among the solution prior art is serious, dangerous big, construction and the high technical problem of running cost. The utility model provides a great deal of technological effect (simple structure, with low costs, convenient to use) that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
The utility model provides a pair of slaughter wastewater treatment system, waste water in the colony house of preliminary treatment, waste water and haulage vehicle wash waste water's waste water pretreatment system of the first kind in stomach content processing room, the second way waste water pretreatment system and the waste water postposition processing system of waste water in the workshop are slaughtered in the preliminary treatment, waste water pretreatment system of the first kind includes first grid lifting well and the first solid-liquid separation machine rather than being connected, second way waste water pretreatment system includes second grid lifting well and the second solid-liquid separation machine rather than being connected, first solid-liquid separation machine and second solid-liquid separation machine all are connected with waste water postposition processing system, the filter screen mesh number of first solid-liquid separation machine is greater than the filter screen mesh number of second solid-liquid separation machine, so that the colony house waste water, waste water and haulage vehicle wash waste water between stomach content processing room are through the first way waste water pretreatment system handle the back and can flow into waste water postposition processing system in the workshop waste water postposition processing system after the second way handle And (6) processing.
Preferably, the post-treatment system for wastewater comprises an air floatation device, an aerobic biochemical tank and a clarification tank which are connected in sequence, wherein a sludge outlet of the clarification tank is connected with the air floatation device so that sludge generated by the clarification tank flows back into the air floatation device to blend scum generated by the air floatation device, and the post-treatment system for wastewater further comprises a dosing device which is connected with the air floatation device so as to add chemicals into the air floatation device.
Preferably, the waste water post-treatment system further comprises an air blower connected with the aerobic biochemical tank or an aeration device arranged in the aerobic biochemical tank.
Preferably, still include filter-pressing equipment and sludge bucket, the dross export of air supporting equipment and filter-pressing equipment intercommunication, filter-pressing equipment and sludge bucket are connected, and the slag notch of first grid lift well, the slag notch of second grid lift well, the slag notch of first solid-liquid separation machine and the slag notch of second solid-liquid separation machine all pass through pipe connection sludge bucket, perhaps, still include transportation equipment, and transportation equipment can carry the filter residue of first grid lift well, second grid lift well, first solid-liquid separation machine and second solid-liquid separation machine to the sludge bucket in.
Preferably, the mesh opening of the filter screen of the first solid-liquid separator is between 0.1mm and 0.5mm, and the mesh opening of the filter screen of the second solid-liquid separator is between 0.8mm and 1.5 mm.
The utility model provides a pair of slaughter effluent disposal system, compare with current slaughter effluent disposal, two tunnel pretreatment systems have been adopted according to the difference of the interior main material composition of waste water, with mainly containing the fodder in the waste water, waste water in the preliminary treatment colony house of excrement and urine granule, waste water and haulage vehicle wash the waste water sharing the big first way waste water pretreatment system of filter screen mesh number in the intestines and stomach container processing workshop, with the higher workshop waste water that easily blocks up the filter screen in the waste water adopt the little second way waste water pretreatment system of filter screen mesh number to handle waste water, two tunnel waste water pretreatment systems flow into the interior hybrid processing of rearmounted effluent system after with waste water pretreatment, and the cost is saved.
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 these drawings without creative efforts.
FIG. 1 is a schematic view of a slaughter wastewater treatment system.
In the figure: 1. livestock houses; 2. a slaughtering workshop; 3. a first grid lift well; 4. a second grid lift well; 5. a first solid-liquid separator; 6. a second solid-liquid separator; 7. air floatation equipment; 8. an aerobic biochemical tank; 9. a clarification tank; 10. a dosing device; 11. a filter pressing device; 12. a blower; 13. a sludge hopper; 14. a processing room for gastrointestinal contents; 15. a transport vehicle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of 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.
Example one
The embodiment provides a slaughter wastewater treatment system, including useless pretreatment of water system and the rearmounted processing system of waste water to be used for handling livestock colony house 1, intestines and stomach object processing room 14, the waste water that workshop 2 produced is washd and slaughtered to haulage vehicle 15, pretreatment of water system can realize COD, BOD clearance 60~80%, TN clearance 40~60%, TP clearance 75~93%, reduces follow-up biochemical treatment degree of difficulty and treatment cost. The livestock colony house 1, waste water mainly contains for the feed particle in haulage vehicle 15 and intestines and stomach content processing room 14, livestock intestines and stomach excrement and livestock fur etc. exist in the waste water with the suspension, deposit, the colloid state, the principal ingredients in 2 waste water in slaughtering house are blood grease and a small amount of intestines and stomach content etc. and fuse in the waste water, the solid-liquid matter difference that contains in the waste water that this embodiment produced according to different places, divide into two way solid-liquid pretreatment systems with waste water pretreatment system, be respectively for connecting livestock colony house 1, intestines and stomach content processing room 14, haulage vehicle 15 washes the first way waste water pretreatment system of parking department and connect slaughtering house 2 with the second way waste water pretreatment system that handles 2 waste water in slaughtering house, first way waste water pretreatment system and second way waste water pretreatment system connect waste water post-treatment system respectively.
The first path of wastewater pretreatment system comprises a first grid lifting well 3 and a first solid-liquid separator 5 connected with the first grid lifting well 3 through a pipeline, the second path of wastewater pretreatment system comprises a second grid lifting well 4 and a second solid-liquid separator 6 connected with the second grid lifting well 4 through a pipeline, and the first solid-liquid separator 5 and the second solid-liquid separator 6 are respectively connected with the wastewater post-treatment system through pipelines, so that the slaughter wastewater of a colony house, gastrointestinal content processing workshop wastewater and transport vehicle washing wastewater can flow into the wastewater post-treatment system for mixing treatment after being treated by the first path of wastewater pretreatment system in a physical filtering mode to remove large-particle impurities and the workshop slaughter wastewater treated by the second path of wastewater pretreatment system in a physical filtering mode.
The first solid-liquid separator 5 and the second solid-liquid separator 6 both adopt physical filter screen type solid-liquid separation equipment, and solid-liquid separation is carried out by adopting solid-liquid separators with different filter screen meshes according to different components in two paths of wastewater. The main components in the wastewater in the slaughtering house 2 are blood grease and a small amount of intestines and stomach contents, etc. which are fused in the wastewater, the mesh number of the filter screen is too large, the grease in the wastewater is easy to seal the filter screen, so that the filter screen is ineffective, the mesh number of the filter screen is too small, so that solid particles can not be filtered, meanwhile, the wastewater in the livestock shed 1, the transport vehicle 15 cleaning and the intestines and stomach contents processing room 14 mainly contains feed particles, livestock intestines and stomach excretions, livestock skin and hair, etc. which exist in the wastewater in a suspension, precipitation and colloid state, the larger the filter screen of the first solid-liquid separator 5 is, the higher the particle removing degree in the wastewater is, and compared with the second solid-liquid separator 6, the filter screen is not easy to be blocked under the condition of the same mesh number, therefore, in the embodiment, the mesh number of the first solid-liquid separator 5 is larger than that of the second solid-liquid separator 6, as an optional implementation mode, the mesh number of the first solid-liquid separator 5 is between 0.1mm and 0.5mm, the mesh opening of the filter screen of the second solid-liquid separator 6 is between 0.8mm and 1.5 mm. Further, the mesh of the filter screen of the first solid-liquid separator 5 is 0.2mm, and the mesh of the filter screen of the second solid-liquid separator 6 is 1 mm.
The waste water post-treatment system comprises an air floatation device 7, an aerobic biochemical tank 8 and a clarification tank 9 which are connected in sequence through pipelines, the water discharged by the air floatation device 7 automatically flows to the aerobic biochemical tank 8, the soluble pollutants are removed, the effluent of the aerobic biochemical tank 8 automatically flows to the effluent of the clarification tank 9 and is discharged after reaching the standard, the wastewater post-treatment system also comprises a dosing device 10 which is connected with the air floatation device 7 and used for adding drugs into the air floatation device 7, the wastewater (containing suspended and colloidal solid pollutants) treated by the wastewater pretreatment system flows into the air floatation device 7, the dosing device 10 puts a phosphorus removal flocculating agent into the air floatation device 7, the sludge outlet of the clarification tank 9 is connected with the air floatation device 7, so that the residual activated sludge generated by the clarification tank 9 is taken as a flocculation carrier to flow back into the air floatation device 7 to blend scum generated by the air floatation device 7, the arrangement mode reduces the dosage of air flotation agents, and improves the dehydration performance of oil-containing scum generated by air flotation.
Further, the waste water post-treatment system also comprises an air blower 12 connected with the aerobic biochemical tank 8 or an aeration device arranged in the aerobic biochemical tank 8.
As an optional embodiment, the wastewater post-treatment system further comprises a filter pressing device 11 and a closed odor-insulating electric sludge hopper 13, wherein the scum outlet of the air floatation device 7 is communicated with the filter pressing device 11, the filter pressing device 11 is connected with the sludge hopper 13, the scum generated by the air floatation device 7 enters the sludge filter pressing device 11 for sludge dehydration, and the dehydrated scum enters the sludge hopper 13. The slag hole of the first grid lifting well 3, the slag hole of the second grid lifting well 4, the slag hole of the first solid-liquid separator 5 and the slag hole of the second solid-liquid separator 6 are all connected with a sludge hopper 13 through pipelines, or the device further comprises a transportation device, and the transportation device can transport the filter residues of the first grid lifting well 3, the second grid lifting well 4, the first solid-liquid separator 5 and the second solid-liquid separator 6 into the sludge hopper 13.
Meanwhile, two paths of pretreatment and the matching of the air floatation device 7 are adopted, the hydraulic retention time of the first grating lifting well 3 and the second grating lifting well 4 is set to be 10min, the reaction time of waste water in the grating lifting well is shortened, and the generation of hazardous gases such as toxic and harmful (hydrogen sulfide), inflammable and explosive (methane) and the like is reduced. A large amount of fluid and solid particles are because of adopting two way pretreatment systems, make fluid treatment efficiency accelerate, adopt two ways all to have grid lifting well and the screen cloth type solid-liquid separation machine of physical formula to make waste water filtration efficiency improve, the mixing time of impurity and water reduces, can be fine completion waste water treatment under the condition that does not use equipment such as oil-separating sedimentation tank, equalizing basin, anaerobism pond/hydrolytic acidification pond, sludge impoundment, odor treatment device among the current waste water treatment equipment.
The cooperation of two way pretreatment systems and the rearmounted effluent disposal system of one way that this embodiment adopted makes COD, BOD, ammonia nitrogen clearance in the waste water reach more than 90%, and total nitrogen gets rid of efficiency more than 85%, and total phosphorus gets rid of efficiency 95%, and the sewage station does not have toxic inflammable explosive gases production such as hydrogen sulfide, methane, and is less to surrounding environment air quality influence, can harmonious concourse, development with the surrounding environment.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The slaughtering wastewater treatment system is characterized by comprising a first path of wastewater pretreatment system for pretreating wastewater in a colony house, wastewater in a stomach and intestine content processing room and transport vehicle flushing wastewater, a second path of wastewater pretreatment system for pretreating wastewater in a slaughtering room and a wastewater post-treatment system, wherein the first path of wastewater pretreatment system comprises a first grid lifting well and a first solid-liquid separator connected with the first grid lifting well, the second path of wastewater pretreatment system comprises a second grid lifting well and a second solid-liquid separator connected with the second grid lifting well, the first solid-liquid separator and the second solid-liquid separator are both connected with the wastewater post-treatment system, the mesh number of a filter screen of the first solid-liquid separator is larger than that of the second solid-liquid separator, so that the wastewater in the colony house, the stomach and intestine content processing room and the transport vehicle flushing wastewater can flow into the wastewater post-treatment system to be mixed after being treated by the first path of wastewater pretreatment system and the wastewater in the slaughtering room treated by the second path of wastewater pretreatment system And (6) processing.
2. The slaughter wastewater treatment system according to claim 1, wherein the wastewater post-treatment system comprises an air floatation device, an aerobic biochemical tank and a clarification tank which are connected in sequence, a sludge outlet of the clarification tank is connected with the air floatation device so that sludge generated by the clarification tank flows back into the air floatation device to blend scum generated by the air floatation device, and the wastewater post-treatment system further comprises a dosing device which is connected with the air floatation device so as to add chemicals into the air floatation device.
3. The slaughter wastewater treatment system according to claim 2, wherein the wastewater post-treatment system further comprises an air blower connected to the aerobic biochemical tank or an aeration device arranged in the aerobic biochemical tank.
4. The slaughtering wastewater treatment system according to claim 2, further comprising a filter pressing device and a sludge hopper, wherein a scum outlet of the air floatation device is communicated with the filter pressing device, the filter pressing device is connected with the sludge hopper, and a slag hole of the first grating lifting well, a slag hole of the second grating lifting well, a slag hole of the first solid-liquid separator and a slag hole of the second solid-liquid separator are connected with the sludge hopper through pipelines, or further comprising a transportation device, wherein the transportation device can convey filter residues of the first grating lifting well, the second grating lifting well, the first solid-liquid separator and the second solid-liquid separator into the sludge hopper.
5. Slaughter wastewater treatment system according to claim 2, characterized in that the sieve mesh of the first solid-liquid separator is between 0.1mm and 0.5mm and the sieve mesh of the second solid-liquid separator is between 0.8mm and 1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120537772.4U CN214654319U (en) | 2021-03-16 | 2021-03-16 | Slaughter wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120537772.4U CN214654319U (en) | 2021-03-16 | 2021-03-16 | Slaughter wastewater treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214654319U true CN214654319U (en) | 2021-11-09 |
Family
ID=78453358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120537772.4U Expired - Fee Related CN214654319U (en) | 2021-03-16 | 2021-03-16 | Slaughter wastewater treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214654319U (en) |
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2021
- 2021-03-16 CN CN202120537772.4U patent/CN214654319U/en not_active Expired - Fee Related
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