CN107216010A - A kind of dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement and processing method - Google Patents

A kind of dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement and processing method Download PDF

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Publication number
CN107216010A
CN107216010A CN201710393110.2A CN201710393110A CN107216010A CN 107216010 A CN107216010 A CN 107216010A CN 201710393110 A CN201710393110 A CN 201710393110A CN 107216010 A CN107216010 A CN 107216010A
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China
Prior art keywords
groove
pig
pig house
excrement
collecting
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Chinese (zh)
Inventor
王艳芹
付龙云
黄宝华
杨光
袁长波
张柏松
姚利
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Institute of Agricultural Resources and Environment of Shandong Academy of Agricultural Sciences
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Institute of Agricultural Resources and Environment of Shandong Academy of Agricultural Sciences
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Priority to CN201710393110.2A priority Critical patent/CN107216010A/en
Publication of CN107216010A publication Critical patent/CN107216010A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/06Treatment of sludge; Devices therefor by oxidation
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00Housing animals; Equipment therefor
    • A01K1/01Removal of dung or urine, e.g. from stables
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/02Specific form of oxidant
    • C02F2305/023Reactive oxygen species, singlet oxygen, OH radical
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/10Photocatalysts

Abstract

The present invention provides a kind of big-and-middle-sized pig breeding farm excrement dirty Sources decreasing processing system, including pig house, wastewater collection pipe, collecting dung canal, collecting-tank and manure pit, pig house is partitioned into pigsty by pig house division wall, pig house is arranged at intervals with the groove that catchments on ground, the groove that catchments is set along pig house length direction, it is identical that the length of groove of catchmenting and pig house give up length, and Neighbor Set water groove is parallel to each other, the groove that catchments is connected with wastewater collection pipe, wastewater collection pipe is connected with collecting-tank, and collecting-tank is arranged at pig house one end;Pig house ground is cement flooring, and pig house is above the ground equipped with self-cleaning water permeable brick, and self-cleaning water permeable brick covers the groove that catchments;Collecting dung canal is located at pig house side along pig house length direction, and is connected with pigsty, and collecting dung canal is connected with manure pit.The present invention can effectively reduce the yield of sewage after the excrement soiled ends separation of solid and liquid in manure pit, and Sources decreasing reaches 91.7%, reduce the dirty intractability of excrement, save processing cost.

Description

A kind of dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement and processing method
Technical field
The present invention relates to a kind of dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement and processing method, belong to waste water Processing technology field.
Background technology
In recent years, the development of China's pig-breeding industry is rapid, raises sane, benefit is substantially, strong, be effectively facilitated One of the fast development of rural economy, important industry as China's agricultural and rural economy.But, pig-breeding industry Fast development, is increasing income for vast breeding enterprise, while creating the wealth of society, is also inevitably exposing The problem of some are very important, anxious to be resolved, that is, the pollution that piggery waste is produced.During pig-breeding, every pig is all It is a pollution sources.According to statistics, the live pig day excretion coefficient (gram /) of 180 days production periods is respectively excrement 2200, urinates 2900, always Nitrogen 25.06, total phosphorus 9.44.The waste water for equivalent to the 7 born life birth of people one lifes of sewage that every pig produces for one day, sewage without Processing handles not thorough, by severe contamination water source.
Do not consider that breeding combination or later stage land transformation difficulty etc. are asked because many pig breeding farms have preconsolidation stress There is no supporting corresponding land used around topic, current most of big-and-middle-sized pig breeding farms, pig-breeding industry has progressively disengaged plantation Industry and the big system of agricultural production, to height scale, intensive, specialized and compartmentalization Road Development, generation it is a large amount of Discarded object fully cannot be utilized effectively in agricultural industry chain, and high risks are caused to local environment.
Current live pig treatment for cow manure pattern mainly has two kinds:(1) water rushes excrement pattern, is exactly when sweeping pig house daily, Directly clean pig house ground with clear water, fecaluria and rush She Shui and discharge into special feace storing pool by screen floor for manure;(2) cleaning up excrement mould is done Formula, is that excrement is cleared up using artificial or machine, collected, and urine is collected separately from urination ditch outflow.Water is rushed in excrement technique Sewage yield is 30-40L/ d;In dry cleaning up excrement technique after excrement soiled ends separation of solid and liquid, sewage yield is 5-10L/ heads D, sewage yield is all larger.
At present, the method that existing patent discloses piggery waste processing, such as A of Chinese patent literature CN 105165636 are disclosed A kind of pig farm automation treatment for cow manure system and method, including in pig house fecaluria separation machinery scrape excrement equipment, give up outer excrement oneself Dynamicization transporting equipment, manure fermentation equipment and sewage purification treatment equipment, this method can realize Automated condtrol, improve and raise The operating efficiency for the personnel of supporting, using mechanical dung scraping plate and electric transportation dung-cart, can realize full-automation, but do not account for The Sources decreasing processing of piggery waste, and equipment realizes automation, consumes energy higher, processing cost is higher.For another example, Chinese patent Document CN 104402175A disclose a kind of pig farm breeding wastewater biochemical treatment system, and the system is by grid pond, stirring of catchmenting Pond, solid-liquid separating machine, first heavy regulation hydrolysis acidification pool, IC reactors, one-level anoxic pond, the first carbon alkali lye pond, one-level are aerobic It is pond, intermediate sedimentation pond, two grades of anoxic ponds, the second carbon alkali lye pond, two grades of Aerobic Ponds, medicament pond, dephosphorization sedimentation basin, acidification pool, simultaneous The oxygen pool, sterilization pool, filler composition, the system good sewage processing effect finally can qualified discharge;But the system is more complicated, does not have Handled in view of the Sources decreasing of piggery waste, sewage yield is big after the excrement soiled ends separation of solid and liquid of pig farm, intractability is big, Operating cost is high.
Therefore, it is big for sewage yield after the excrement soiled ends separation of solid and liquid of big-and-middle-sized pig breeding farm, surrounding matching farmland Can not dissolve generation excrement it is dirty the problems such as, research and development one kind can effectively realize that the dirty Sources decreasing of excrement, sewage low cost are up to standard Discharge, technique is simple, operation maintenance is convenient, build and the low big-and-middle-sized pig breeding farm treatment for cow manure method gesture of operating cost It must go.
The content of the invention
The present invention for the deficiencies in the prior art there is provided a kind of dirty Sources decreasing of big-and-middle-sized pig breeding farm excrement at Reason system and processing method, realize that the dirty processing of pig breeding farm excrement is simplified, and reach " no pollution ", " zero-emission ", reduce Processing cost.
Term explanation:
Big-and-middle-sized pig breeding farm:Refer to the plant of livestock on hand 3000 and above live pig.
The present invention is achieved through the following technical solutions:
A kind of dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement, including pig house, wastewater collection pipe, collecting dung Canal, collecting-tank and manure pit, the pig house are partitioned into pigsty by pig house division wall, it is characterised in that be spaced on pig house ground The groove that catchments is provided with, the groove that catchments is set along pig house length direction, and the length for the groove that catchments is identical with pig house length, and phase Neighbour's groove that catchments is parallel to each other, and the groove that catchments is connected with wastewater collection pipe, and wastewater collection pipe is connected with collecting-tank, and collecting-tank is set It is placed in pig house one end;Pig house ground is cement flooring, and pig house is above the ground equipped with self-cleaning water permeable brick, self-cleaning water permeable brick Cover the groove that catchments;Collecting dung canal is located at pig house side along pig house length direction, and is connected with pigsty, collecting dung canal It is connected with manure pit.
According to currently preferred, the groove that catchments is V-groove, and the inwall of the V-groove is polyethylene material, The width of V type groove top end openings is at intervals of 80-150cm between 4-8cm, V-groove.Dirt on self-cleaning water permeable brick Water can be percolated to catchmenting in groove automatically through self-cleaning water permeable brick, be easy to collect.
It is preferred that, the width of the V-groove top end opening is at intervals of 100cm between 6cm, V-groove.
It is preferred that, the V-groove from the one end of pig house away from collecting-tank to connection wastewater collection pipe one end depth by Gradually deepen, the initial depth of V-groove is 3-8cm, and the angle between V-groove bottom and horizontal plane is 1-10 °.Collecting gutter Being obliquely installed for groove, is easy to be percolated the collection of waste water.
It is further preferred that the angle between the V-groove bottom and horizontal plane is 5 °.
According to currently preferred, the groove that catchments collects to be connected with wastewater collection pipe.
According to currently preferred, the pig house ground level setting, the top for the groove that catchments and pig house ground flush, Self-cleaning water permeable brick level is layed on pig house ground.Beneficial to excrement cleaning.
It is preferred that, the face of the self-cleaning water permeable brick using long and wide composition is laid as bottom surface level.
According to currently preferred, fixed between the self-cleaning water permeable brick by casting concrete.
According to currently preferred, the specification of the length × width × height of the self-cleaning water permeable brick is 150 × 50 × 30-300 × 200 × 100mm, compression strength is 20-50MP, and permeability rate is 3-10mm/s.
It is preferred that, the specification of the length × width × height of the self-cleaning water permeable brick is 200 × 100 × 60mm, and compression strength is 25MP, permeability rate is 5mm/s.
Self-cleaning water permeable brick of the present invention is commercially available prod, and Jiangsu You Ning Shu Buluoke companies are on sale.
According to currently preferred, the length of the collecting dung canal is identical with pig house length;The top of collecting dung canal Less than self-cleaning water permeable brick or with self-cleaning water permeable brick flush;The bottom of collecting dung canal is higher than manure pit or and manure pit Flush.
According to currently preferred, the top of the manure pit be less than the groove that catchments bottom or with trench bottom end phase of catchmenting Concordantly.
According to currently preferred, the manure pit and collecting-tank are arranged on same one end of pig house.
According to currently preferred, the dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement also includes scraping excrement Plate, the manure scraper plate is arranged on collecting dung canal;The manure scraper plate is arranged at excrement using existing automatic manure scraper plate device Collect on canal;The automatic manure scraper plate device Henan Fang great plant equipment Co., Ltd is on sale, is arranged on by commodity installation rule On collecting dung canal.
According to currently preferred, pig feeding groove, the length of pig feeding groove are provided with along pig house length direction in the middle of pig house Identical with the length of pig house, pigsty is distributed in pig feeding groove both sides, length × a width of (3-4) m of pigsty × (5-6) m, adjacent pig It is parallel to each other between pig house division wall between circle and parallel with pig house width.
According to currently preferred, the pigsty is provided with water fountain.
The processing side of the dirty Sources decreasing of excrement is carried out using the dirty Sources decreasing processing system of above-mentioned big-and-middle-sized pig breeding farm excrement Method, including step are as follows:
Sewage in the excrement dirt that live pig produces enters the groove that catchments by self-cleaning water permeable brick filtering, passes through wastewater collection Pipe, finally collects and enters collecting-tank;Excrement after filter sewage is stayed on self-cleaning water permeable brick, by manual cleaning excrement or The excrement dirt that the mode that water rushes excrement enters in collecting dung canal, collecting dung canal is scraped into manure pit by manure scraper plate;In manure pit Excrement soiled ends separation of solid and liquid, a small amount of sewage of generation is after anaerobic fermentation, and the biogas of generation is used for pig farm, biogas residue and biogas slurry conduct Farmland organic fertilizer.
Sewage during excrement that pig breeding farm of the present invention is produced is dirty refer to the unrestrained water of the urine that pig produces, drinking-water, The sewage that water is rushed in the water and excrement of excrement generation.
The dirty Sources decreasing processing system of the excrement of the present invention is applied to pig house, and the excrement stayed on self-cleaning water permeable brick can be used Water rushes the mode of excrement or manual cleaning excrement by collecting dung into collecting dung canal.
Manual cleaning excrement of the present invention refers to manually scrape the excrement on self-cleaning water permeable brick into excrement using manure scraper plate Just canal is collected;The water rushes excrement mode and refers to clean pig house ground with clear water, and excrement dirt is poured into collecting dung canal;It is described to stay in Also a small amount of sewage is contained in excrement on self-cleaning water permeable brick.
The technical characterstic of the present invention is as follows:
The self-cleaning water permeable brick that the present invention is used, is mainly used in urban road construction at present, is characterized in touching light Matchmaker's technology is applied in concrete permeable floor tile, under the irradiation of light, can produce similar photosynthetic light-catalyzed reaction, together When produce oxidability extremely strong free hydroxy and active oxygen, with very strong photoredox function, oxidable decomposition Organic pollution, is resolved into free of contamination water (H by various organic compounds and part inorganic matter2) and carbon dioxide (CO O2), Thus it has extremely strong anti-fouling and self-cleaning, purifies function of air and water;Self-cleaning water permeable brick is layed in pig house ground, energy It is enough effectively to solve the problem of pervious floor tile hole is easily blocked by excrement.
Sewage in the excrement dirt that pig produces passes through self-cleaning water permeable brick, into the groove that catchments, enters by wastewater collection pipe Collecting-tank;Because the waste water in collecting-tank is practically free of excrement, the index of contaminated wastewater is relatively low, through sand biofilter or oxygen It can reach after changing pool processing《Agricultural irrigation water quality standard》Or《Livestock and poultry breeding industry pollutant emission standard》, can row up to standard Put;Excrement after filter sewage stays in self-cleaning water permeable brick top, enters excrement by way of manual cleaning excrement or water rush excrement Just canal is collected, then is scraped by manure scraper plate into manure pit;The dirty concentration of excrement in manure pit is higher, greatly reduces after separation of solid and liquid The yield of sewage, sewage is after anaerobic fermentation, and the biogas of generation is used for pig farm, and produced biogas residue and biogas slurry is used as farmland Organic fertilizer, the processing cost of sewage produced by reducing after the excrement soiled ends separation of solid and liquid in manure pit.
The dirty index of excrement is as shown in table 1 before and after the processing for pig breeding farm excrement soiled ends Sources decreasing system of the present invention, from table 1 As can be seen that the excrement dirt TS contents collected using pig house before the decrement treatment system of source are 2-6%, illustrate pig-breeding process Middle pig urine, pig drinking-water are unrestrained more, and excrement mixes that concentration is relatively low, and qualified discharge is too difficult, cropland application water content Height, it is difficult to handle;After the decrement treatment system of source, filtered through self-cleaning water permeable brick, the waste water by groove collection of catchmenting is dirty Have a finger in every pie mark relatively low, can reach behind sand biofilter or oxidation pond processing《Agricultural irrigation water quality standard》Or《Livestock and poultry breeding industry Pollutant emission standard》;And after being handled by Sources decreasing system, the excrement dirt TS concentration that manure pit is collected is higher, it can reach 28-30%, greatly reduces the yield of sewage after separation of solid and liquid, a small amount of sewage of generation farmland utilization after anaerobic fermentation, Reduce the processing cost of sewage produced by after the dirty separation of solid and liquid of excrement.
Note:《Livestock and poultry breeding industry pollutant emission standard》Water outlet COD is 400mg/L, and BOD is 150mg/L, and SS is 200 Mg/L, NH4+-N is 80mg/L, and TP is 8mg/L.《Agricultural irrigation water quality standard》Water outlet COD is 200mg/L, and BOD is 100mg/ L。
Feces of farm index before and after the application source decrement treatment system of table 1
Beneficial effects of the present invention are as follows:
1st, the advantage of the utilization special building material-self-cleaning water permeable brick of the invention, is applied to live pig and supports A pig house is grown, the water-permeable brick utilizes photocatalyst technology, the solid manure that oxidable decomposition enters in water-permeable brick gap is solved The problem of water-permeable brick hole is easily blocked;Self-cleaning water permeable brick plays a role in filtering to waste water of the excrement in dirty simultaneously, greatly reduction Excrement concentration is relatively low in the pollution level of waste water, waste water, and processing is simple, it is possible to achieve qualified discharge, reduces and is processed into This, is adapted to the treatment for cow manure that breeding combines not close or surrounding soil and the unmatched big-and-middle-sized pig breeding farm of cultivation amount.
2nd, after the excrement soiled ends separation of solid and liquid in manure pit, resulting sewage quantity is few, and concentration is higher, and (TS contents reach 8- 10%), beneficial to the progress of anaerobic fermentation;The system of the present invention can be reduced effectively after the excrement soiled ends separation of solid and liquid in manure pit The yield of sewage, Sources decreasing reaches 91.7%, reduces the intractability of sewage after excrement soiled ends separation of solid and liquid, saves Processing cost.
3rd, the present invention collects sewage using inwall for the groove that catchments of polyethylene, it is to avoid waste water is penetrated into soil to soil Pollution;Meanwhile, the groove that catchments is obliquely installed, and is easy to the collection of waste water, and can guarantee that self-cleaning water permeable brick is laid in pig house, It is easy to collecting dung.
4th, the present invention is simple in construction, builds convenient, easy care is used.
Brief description of the drawings
Fig. 1 is the process chart of the dirty Sources decreasing processing of excrement of the present invention;
Fig. 2 is the structural representation of the dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement of the invention;
Fig. 3 is the profile that pig house prolongs Fig. 2A-A directions.
Fig. 4 is the profile that pig house prolongs Fig. 2 B-B directions.
Wherein:1st, pig house, 2, pigsty, 3, pig feeding groove, 4, water fountain, 5, self-cleaning water permeable brick, 6, manure scraper plate, 7, excrement Just canal is collected, 8, pig house division wall, 9, wastewater collection pipe, 10, manure pit, 11, collecting-tank, 12, catchment groove, 13, pig house Face.
Embodiment
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings, but the scope of the present invention is not limited to This.
Embodiment 1
A kind of dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement, including pig house 1, wastewater collection pipe 9, excrement are received Collect canal 7, collecting-tank 11 and manure pit 10, between the pig house 1 is partitioned on pigsty 2, pig house ground 13 by pig house division wall 8 Every being provided with the groove 12 that catchments, length direction of the groove 12 that catchments along pig house 1 is set, length and the pig house 1 of the groove 12 that catchments Length is identical, and Neighbor Set water groove 12 is parallel to each other, and the groove 12 that catchments is connected with wastewater collection pipe 9, wastewater collection pipe 9 with Collecting-tank 11 is connected, and collecting-tank 11 is arranged at one end of pig house 1;Pig house ground 13 is cement flooring, the top on pig house ground 13 Self-cleaning water permeable brick 5 is equipped with, self-cleaning water permeable brick 5 covers the groove 12 that catchments;Length direction of the collecting dung canal 7 along pig house 1 It is connected positioned at the side of pig house 1, and with pigsty 2, collecting dung canal 7 is connected with manure pit 10;
The groove 12 that catchments is V-groove, and the inwall of the V-groove is polyethylene material, V-groove top end opening Width be 6cm, between V-groove at intervals of 100cm;V-groove is from one end of the pig house 1 away from collecting-tank 11 to even One end depth for connecing wastewater collection pipe 9 is gradually deepened, and the initial depth of V-groove is 3cm, V-groove bottom and horizontal plane it Between angle be 5 °;The multiple V-groove collects to be connected with wastewater collection pipe;
The pig house ground 13 is horizontally disposed with, top and the flush of pig house ground 13, self-cleaning water permeable brick 5 of V-groove It is layed in using the face of long and wide composition as bottom surface level on pig house ground 13;By pouring between the self-cleaning water permeable brick 5 Concrete is fixed;
The specification of the length × width × height of the self-cleaning water permeable brick 5 is 200 × 100 × 60mm, and compression strength is 25MP, thoroughly Water rate is 5mm/s;Used self-cleaning water permeable brick 5 is commercially available prod, and Jiangsu You Ning Shu Buluoke companies are on sale.
The length of the collecting dung canal 7 is identical with the length of pig house 1;The top of collecting dung canal 7 is saturating less than self-cleaning Water brick 5;The bottom of collecting dung canal 7 is higher than manure pit 10;The top of manure pit 10 is less than the bottom for the groove 12 that catchments;
The manure pit 10 and collecting-tank 11 are arranged on same one end of pig house 1;
The dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement also includes manure scraper plate 6, and the manure scraper plate 6 is set In on collecting dung canal 7;The manure scraper plate 6 is arranged on collecting dung canal 7 using existing automatic manure scraper plate device;It is described Automatic manure scraper plate device Henan Fang great plant equipment Co., Ltd is on sale, is arranged on by commodity installation rule on collecting dung canal 7 ;
In the present embodiment, the length direction in the centre of pig house 1 along pig house 1 is additionally provided with pig feeding groove 3, pig feeding groove 3 Length it is identical with the length of pig house 1, pigsty 2 is distributed in the both sides of pig feeding groove 3, and length × a width of 3m × 5m of pigsty 2 is adjacent It is parallel to each other between pig house division wall 8 between pigsty 2 and parallel with the width of pig house 1;The pigsty 2 is provided with drink Hydrophone 4.
Embodiment 2
The method for handling the first-born pig feces of farm of livestock on hand 20000 using the dirty Sources decreasing processing system of the excrement of embodiment 1, Step is as follows:
Pig is movable on self-cleaning water permeable brick 5, the sewage during the excrement such as water trickled down during the fecaluria of generation, drinking-water is dirty Filtered by self-cleaning water permeable brick 5, groove 12 is collected into catchmenting, by wastewater collection pipe 9, finally collect and enter collecting-tank 11;Excrement after filter sewage is stayed on self-cleaning water permeable brick 5, and excrement enters excrement by way of manual cleaning or water rush excrement Just the excrement dirt collected in canal 7, collecting dung canal 7 is scraped into manure pit 10 by automatic manure scraper plate 6;Excrement soiled ends in manure pit 10 Separation of solid and liquid, a small amount of sewage of generation is after anaerobic fermentation, and the biogas of generation is used for pig farm, and biogas residue and biogas slurry have as farmland Machine fertilizer.
Table 2 rushes the mode of excrement mode and manual cleaning excrement for the plant of 20000 pigs of livestock on hand using water, in application source Separation of solid and liquid sewage yield and achievement data before and after head decrement treatment system, as shown in Table 2:
(1) excrement mode is individually rushed using water and clears up excrement dirt, before the decrement treatment system of source, excrement soiled ends separation of solid and liquid, The sewage quantity produced daily is 600t, and TS concentration is 2.0% or so, and concentration is relatively low, and sewage yield is big, and it is more difficult to handle;Using After Sources decreasing processing system, the sewage quantity that the excrement soiled ends separation of solid and liquid in manure pit is produced is significantly reduced, and is 50t, TS concentration Also it is higher, 8% or so is reached, anaerobic fermentation processing is easy, and Sources decreasing reaches 91.7%.
(2) individually by the way of manual cleaning excrement, before the decrement treatment system of source, excrement soiled ends separation of solid and liquid, The sewage quantity produced daily is 160t, and TS concentration is 6.0% or so, and concentration is relatively low, and sewage yield is big, and it is more difficult to handle;Using After Sources decreasing processing system, the excrement dirt in manure pit carries out separation of solid and liquid, and the sewage quantity that separation of solid and liquid is produced is significantly reduced, and is 40t, TS concentration are also higher, reach 10% or so, anaerobic fermentation processing is easy, and Sources decreasing reaches 75%.
Separation of solid and liquid sewage yield and index before and after the application source decrement treatment system of table 2
Embodiment 3
The method for handling the first-born pig feces of farm of livestock on hand 40000 using the dirty Sources decreasing processing system of the excrement of embodiment 1, Step is as follows:
Pig is movable on self-cleaning water permeable brick 5, the sewage during the excrement such as water trickled down during the fecaluria of generation, drinking-water is dirty Filtered by self-cleaning water permeable brick 5, groove 12 is collected into catchmenting, by wastewater collection pipe 9, finally collect and enter collecting-tank 11;Excrement after filter sewage is stayed on self-cleaning water permeable brick 5, and excrement enters excrement by way of manual cleaning or water rush excrement Just the excrement dirt collected in canal 7, collecting dung canal 7 is scraped into manure pit 10 by automatic manure scraper plate 6;Excrement soiled ends in manure pit 10 is consolidated Liquid is separated, and a small amount of sewage of generation is after anaerobic fermentation, and the biogas of generation is used for pig farm, and biogas residue and biogas slurry are organic as farmland Fertilizer.
Table 3 rushes the mode of excrement mode and manual cleaning excrement for the plant of 40000 pigs of livestock on hand using water, in application source Separation of solid and liquid waste water yield and achievement data before and after head decrement treatment system, as shown in Table 3:
(1) excrement mode is individually rushed using water and clears up excrement dirt, before the decrement treatment system of source, excrement soiled ends separation of solid and liquid, The sewage quantity produced daily is 1200t, and TS concentration is 2.0% or so, and concentration is relatively low, and sewage yield is big, and it is more difficult to handle;Should After Sources decreasing processing system, the sewage quantity that the excrement soiled ends separation of solid and liquid in manure pit is produced is significantly reduced, and is 100t, TS Concentration is also higher, reaches 8% or so, anaerobic fermentation processing is easy, and Sources decreasing reaches 91.7%.
(2) individually by the way of manual cleaning excrement, before the decrement treatment system of source, excrement soiled ends separation of solid and liquid, The sewage quantity produced daily is 320t, and TS concentration is 6.0% or so, and concentration is relatively low, and sewage yield is big, and it is more difficult to handle;Using After Sources decreasing processing system, the excrement dirt in manure pit carries out separation of solid and liquid, and the sewage quantity that separation of solid and liquid is produced is significantly reduced, and is 80t, TS concentration are also higher, reach 10% or so, anaerobic fermentation processing is easy, and Sources decreasing reaches 75%.
Separation of solid and liquid sewage yield and index before and after the application source decrement treatment system of table 3

Claims (10)

1. a kind of dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement, including pig house, wastewater collection pipe, collecting dung Canal, collecting-tank and manure pit, the pig house are partitioned into pigsty by pig house division wall, it is characterised in that be spaced on pig house ground The groove that catchments is provided with, the groove that catchments is set along pig house length direction, the length for the groove that catchments is identical with pig house house length, and phase Neighbour's groove that catchments is parallel to each other, and the groove that catchments is connected with wastewater collection pipe, and wastewater collection pipe is connected with collecting-tank, and collecting-tank is set In pig house one end;Pig house ground is cement flooring, and pig house is above the ground equipped with self-cleaning water permeable brick, self-cleaning water permeable brick covering Catchment groove;Collecting dung canal is located at pig house side along pig house length direction, and is connected with pigsty, collecting dung canal and collection excrement Pond is connected.
2. the dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement according to claim 1, it is characterised in that institute The groove that catchments is stated for V-groove, the inwall of the V-groove is polyethylene material, and the width of V-groove top end opening is 4- Between 8cm, V-groove at intervals of 80-150cm;
It is preferred that, the width of the V-groove top end opening is at intervals of 100cm between 6cm, V-groove.
3. the dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement according to claim 2, it is characterised in that described V-groove is gradually deepened from one end of the pig house away from collecting-tank to one end depth of connection wastewater collection pipe, of V-groove Beginning depth is 3-8cm, and the angle between V-groove bottom and horizontal plane is 1-10 °;
It is preferred that, the angle between the V-groove bottom and horizontal plane is 5 °.
4. the dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement according to claim 1, it is characterised in that described Pig house ground level is set, top and the pig house ground flush of the groove that catchments, and self-cleaning water permeable brick level is with being layed in pig house On face;
It is preferred that, the face of the self-cleaning water permeable brick using long and wide composition is laid as bottom surface level.
5. the dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement according to claim 1, it is characterised in that described Fixed between self-cleaning water permeable brick by casting concrete.
6. the dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement according to claim 1, it is characterised in that described The specification of the length × width × height of self-cleaning water permeable brick is 150 × 50 × 30-300 × 200 × 100mm, and compression strength is 20- 50MP, permeability rate is 3-10mm/s;
It is preferred that, the specification of the length × width × height of the self-cleaning water permeable brick is 200 × 100 × 60mm, and compression strength is 25MP, Permeability rate is 5mm/s.
7. the dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement according to claim 1, it is characterised in that described The length of collecting dung canal is identical with pig house length;The top of collecting dung canal is less than self-cleaning water permeable brick or and self-cleaning water permeable Brick flush;The bottom of collecting dung canal higher than manure pit or with manure pit flush;
The top of the manure pit be less than catchment groove bottom or with the trench bottom end flush that catchments;
The manure pit and collecting-tank are arranged on same one end of pig house.
8. the dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement according to claim 1, it is characterised in that described The dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement also includes manure scraper plate, and the manure scraper plate is arranged at collecting dung canal On.
9. the dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement according to claim 1, it is characterised in that in pig Pig feeding groove is provided with along pig house length direction in the middle of house, the length of pig feeding groove is identical with the length of pig house, and pigsty is distributed in pig It is parallel to each other between pig house division wall between feeding groove both sides, length × a width of (3-4) m × (5-6) m of pigsty, adjacent pigsty, and It is parallel with pig house width;The pigsty is provided with water fountain.
It is dirty that 10. the dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement as described in claim any one of 1-9 carries out excrement The processing method of Sources decreasing, including step are as follows:
Sewage during excrement that live pig produces is dirty enters the groove that catchments by self-cleaning water permeable brick filtering, by wastewater collection pipe, most After collect and enter collecting-tank;Excrement after filter sewage is stayed on self-cleaning water permeable brick, and excrement is rushed by manual cleaning excrement or water Mode enter collecting dung canal, the excrement dirt in collecting dung canal is scraped into manure pit by manure scraper plate;Excrement soiled ends in manure pit Separation of solid and liquid, a small amount of sewage of generation is after anaerobic fermentation, and the biogas of generation is used for pig farm, and biogas residue and biogas slurry are organic as farmland Fertilizer.
CN201710393110.2A 2017-05-27 2017-05-27 A kind of dirty Sources decreasing processing system of big-and-middle-sized pig breeding farm excrement and processing method Pending CN107216010A (en)

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