CN110046836A - Region cultivates overall control line accounting method - Google Patents
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- CN110046836A CN110046836A CN201910397712.4A CN201910397712A CN110046836A CN 110046836 A CN110046836 A CN 110046836A CN 201910397712 A CN201910397712 A CN 201910397712A CN 110046836 A CN110046836 A CN 110046836A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 244000144977 poultry Species 0.000 claims abstract description 54
- 244000144972 livestock Species 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 210000003608 fece Anatomy 0.000 claims abstract description 23
- 230000007613 environmental effect Effects 0.000 claims abstract description 21
- 239000002689 soil Substances 0.000 claims abstract description 17
- 239000003344 environmental pollutant Substances 0.000 claims description 15
- 231100000719 pollutant Toxicity 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 10
- 230000002265 prevention Effects 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims description 2
- 238000009395 breeding Methods 0.000 description 5
- 230000001488 breeding effect Effects 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 230000004720 fertilization Effects 0.000 description 2
- 239000002515 guano Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention discloses a kind of regions to cultivate overall control line accounting method, and the region cultivation overall control line accounting method determines that region cultivates overall control line: T by following formulaPermit=TIt is existing×[1‑max(ηIt carries, ηWater)] wherein, TPermitOverall control line, unit: head/year are cultivated for region；TIt is existingFor the practical cultivation amount in region at this stage, unit: head/year；ηIt carriesReduction rate is needed for what is calculated according to region livestock and poultry feces bearing capacity of soil, unit: %；ηWaterReduction rate is needed for what is calculated according to region livestock and poultry feces Water Environmental Carrying Capacity, unit: %.
Description
Technical field
The present invention relates to prevention and cure of pollution fields more particularly to a kind of region to cultivate overall control line accounting method.
Background technique
Region Pollution from livestock and poultry preventing and controlling are the important components of rural environmental protection work.In recent years, with
Livestock and poultry breeding industry is fast-developing, and such as southern dense waterway net region cultivation density in China partial region is higher and higher, Pollution from livestock and poultry object
Total emission volumn gradually rises, and becomes the one of the major reasons of environmental quality deterioration.
An important factor for Pollution from livestock and poultry object is influence area quality of water environment and soil environment quality, existing region poultry
Fowl breeding pollution preventing and controlling include that the measuring and calculating of region livestock and poultry feces bearing capacity of soil and region cultivate overall control etc. mutually inside the Pass
Hold, is that guidance cultivates overall control limit value to calculate region with region livestock and poultry feces bearing capacity of soil, generally, region cultivation is total
It measures control limit and is equal to region livestock and poultry feces bearing capacity of soil.Although region cultivation overall control limit value has certain guidance meaning
Justice, but bearing capacity of soil is only accounted for, it does not consider Water Environmental Carrying Capacity as a whole and water environment pollution prevention and treatment requires, the conjunction of guidance
Rationality, validity are to be improved.
Summary of the invention
The purpose of the present invention is to provide a kind of guidances, and more reasonable, more effective region cultivates overall control line core calculation side
Method.
To achieve the above object, the present invention provides a kind of regions to cultivate overall control line accounting method, and the region is supported
It grows overall control line accounting method and determines that region cultivates overall control line by following formula:
Wherein, TPermitOverall control line, unit: head/year are cultivated for region；TIt is existingFor the practical cultivation amount in region at this stage, unit:
Head/year；ηIt carriesReduction rate is needed for what is calculated according to region livestock and poultry feces bearing capacity of soil, unit: %；ηWaterFor according to region livestock and poultry
What waste Water Environmental Carrying Capacity was calculated needs reduction rate, unit: %.
Further, work as TIt carries>TIt is existingWhen, ηIt carries=0；Work as TIt carries<TIt is existingWhen, ηIt carriesIt is determined by following formula:
Wherein, TIt carriesFor region livestock and poultry feces bearing capacity of soil, unit: head/year.TIt carriesIt is practical with region for a dynamic value
Muck account for the ratio dynamical correlation of total fertilization amount, TIt carriesAccounting referring to " livestock and poultry feces bearing capacity of the ground calculate technical manual " etc.
File.
Further, work as WHold>WEnter riverWhen, ηWater=0；Work as WHold<WEnter riverWhen, ηWaterIt is determined by following formula:
Wherein, WHoldFor regional water environmental capacity, WEnter riverFor region pollutants discharged into rivers total amount, β is livestock and poultry cultivation intensivization development
With the comprehensive check coefficient of prevention and cure of pollution, β value range is 0.70~0.85.WHoldCalculation refer to " National Water Environmental capacity
Appraise and decide technical manual ".Region livestock and poultry feces Water Environmental Carrying Capacity is the region obtained according to regional water environmental capacity results of measuring
Livestock and poultry allow to cultivate total amount.
Further, WEnter river=WWork enters river+WIt lives into river+WLivestock and poultry enter river+WThe face river Yuan Ru, wherein WWork enters riverEnter river amount for industrial pollutants,
WIt lives into riverEnter river amount, W for domestic pollutantLivestock and poultry enter riverEnter river amount, W for Pollution from livestock and poultry objectThe face river Yuan RuFor cities and towns and Rural Plane Source Pollution
Object enters river amount.
Further, the region cultivates overall control line accounting method further include: survey area status waste is agricultural
Ratio and region status large-scale cultivation ratio；And according to the agricultural ratio of the region status waste and the region status
The value of large-scale cultivation ratio-dependent β.
Further, β determines value according to following table:
Compared with prior art, cultivation overall control line in region has been fitted region livestock and poultry feces bearing capacity of soil and region poultry
The requirement of brid guano Sewage Environment bearing capacity cultivates overall control line by control area and realizes the development of region livestock and poultry breeding industry and ring
The dynamic equilibrium of border bearing capacity provides more reasonable, more effective guidance for region Pollution from livestock and poultry preventing and controlling；Effectively
Reduce the pollutants such as COD, ammonia nitrogen and total phosphorus drains into river amount, and the water quality for promoting main river persistently improves.
Specific embodiment
For the technology contents that the present invention will be described in detail, it is described further below in conjunction with embodiment.
Region Pollution from livestock and poultry preventing and controlling include basic environment on-site investigation, the region based on breeding balance concept
Cultivate multiple processes such as overall control line core calculation.
Basic environment investigation includes investigation:
The practical cultivation amount in region at this stage；Industrial pollutants enter river amount；Domestic pollutant enters river amount；Pollution from livestock and poultry object
Enter river amount；Cities and towns and Rural Plane Source Pollution object enter river amount；The agricultural ratio of region status waste and region status large-scale cultivation
Ratio.
Region cultivates overall control line accounting method:
Pollution from livestock and poultry object with face source Transport And Transformation so that the pollutants such as COD, ammonia nitrogen, total phosphorus finally into
Enter water environment, quality of water environment is maintained and improvement has certain influence.In recent years, since country implements water prevention and cure of pollution action meter
It draws, environmental capacity of water total amount management is gradually strengthened in various regions, therefore is fitted environmental capacity of water overall control and requires the cultivation of revision region
Overall control line accounting method comprehensively considers region livestock and poultry feces bearing capacity of soil and region livestock and poultry feces Water Environmental Carrying Capacity,
To calculate region cultivation overall control line.
The region cultivation overall control line accounting method determines that region cultivates overall control line by formula 1:
Wherein, TPermitOverall control line, unit: head/year are cultivated for region；TIt is existingFor the practical cultivation amount in region at this stage, unit:
Head/year；ηIt carriesReduction rate is needed for what is calculated according to region livestock and poultry feces bearing capacity of soil, unit: %；ηWaterFor according to region livestock and poultry
What waste Water Environmental Carrying Capacity was calculated needs reduction rate, unit: %.
ηIt carriesValue condition are as follows: work as TIt carries>TIt is existingWhen, ηIt carries=0；Work as TIt carries<TIt is existingWhen, ηIt carriesIt is determined by formula 2:
Wherein, TIt carriesFor region livestock and poultry feces bearing capacity of soil, unit: head/year.TIt carriesIt is practical with region for a dynamic value
Muck account for the ratio dynamical correlation of total fertilization amount, TIt carriesAccounting referring to " livestock and poultry feces bearing capacity of the ground calculate technical manual " etc.
File, TIt carriesAccounting be well known to those skilled in the art, details are not described herein.
ηWaterValue condition are as follows: work as WHold>WEnter riverWhen, ηWater=0；Work as WHold<WEnter riverWhen, ηWaterIt is determined by formula 3:
Wherein, WHoldFor regional water environmental capacity, WEnter riverFor region pollutants discharged into rivers total amount, β is livestock and poultry cultivation intensivization development
With the comprehensive check coefficient of prevention and cure of pollution, β value range is 0.70~0.85.
WHoldCalculation refer to " National Water Environmental capacity appraises and decides technical manual ", the accounting of regional water environmental capacity is this
Known to the technical staff of field, details are not described herein.Region livestock and poultry feces Water Environmental Carrying Capacity is according to regional water environmental capacity
The region livestock and poultry that results of measuring obtains allow to cultivate total amount.
WEnter river=WWork enters river+WIt lives into river+WLivestock and poultry enter river+WThe face river Yuan Ru, wherein WWork enters riverEnter river amount, W for industrial pollutantsIt lives into riverIt is dirty for life
Dye object enters river amount, WLivestock and poultry enter riverEnter river amount, W for Pollution from livestock and poultry objectThe face river Yuan RuEnter river amount for cities and towns and Rural Plane Source Pollution object.
β value condition are as follows: according to the agricultural ratio of the region status waste and the region status large-scale cultivation ratio
Example determines the value of β.β determines value according to the following table 1:
The value condition of 1 β of table
(1) when β is in 0.70~0.80
The stage theory area pellucida domain scale intensive culture ratio is higher or the agricultural potentiality of its waste are preferable, pollution control
Ability is relatively strong, provides rationally, effectively instruct for the selection of subsequent method for governing pollution, such as subsequent pollution is controlled
Reason method should select the higher method of pollutant fluxes rate.
(2) when β is in 0.80~0.85
The stage theory area pellucida domain scale intensive culture ratio is lower or the agricultural ratio of waste is relatively low, pollution control water
Put down it is relatively low, therefore answer at this time strict control region cultivate overall control line；It is simultaneously also the selection of subsequent method for governing pollution
It provides rationally, effectively instruct, such as subsequent method for governing pollution should be to improve the anaerobism, aerobic on watery waste basis
Based on treatment facility, while cooperating solid waste based on nearby agricultural.
Application example:
It has been determined that region cultivates overall control line using the accounting method in Guangdong Province somewhere, has met region livestock and poultry feces soil
The requirement of earth bearing capacity and region livestock and poultry feces Water Environmental Carrying Capacity carries out Pollution from livestock and poultry prevention and control for region and provides well
Reference.
By field research, the practical cultivation amount in region (is scaled live pig equivalent, T at this stageIt is existing) it is 116.86 ten thousand/year,
Region status large-scale cultivation ratio is 54%, and the region agricultural ratio of status waste is about 20%, annual ecological region planting area
Between 618736~636867 mu, regional industry, life, livestock and poultry cultivation etc. pollution source pollutants enter river total amount be 1894 tons/
Year.
Through calculating, the region livestock and poultry feces bearing capacity of soil in the region (is scaled live pig equivalent, T at presentIt carries) it is 30.47 ten thousand
Head/year is then calculated according to formula 2, ηIt carriesIt is 73.9%.
Combined area water environment management target is calculated, and regional water environmental capacity is 233 tons/year, and wherein the value of β is
0.85 (see Table 1 for details for value condition), then calculated, η according to formula 3WaterIt is 74.5%.
Therefore to sum up, it is 29.8 ten thousand that region, which cultivates overall control line (calculating according to formula 1),.
Compared with prior art, cultivation overall control line in region has been fitted region livestock and poultry feces bearing capacity of soil and region poultry
The requirement of brid guano Sewage Environment bearing capacity cultivates overall control line by control area and realizes the development of region livestock and poultry breeding industry and ring
The dynamic equilibrium of border bearing capacity, it is possible to provide a kind of region cultivation overall control line of dynamic adjustment, is region Pollution from livestock and poultry
Preventing and controlling provide more reasonable, more effective guidance；Effectively reduce the pollutants such as COD, ammonia nitrogen and total phosphorus
River amount is drained into, the water quality for promoting main river persistently improves.
The above disclosure is only a preferred example of the present invention, and the scope of the invention cannot be limited thereby,
Therefore equivalent changes made in accordance with the claims of the present invention belong to the range that the present invention is covered.
Claims (6)
1. a kind of region cultivates overall control line accounting method, which is characterized in that the region cultivates overall control line core calculation side
Method determines that region cultivates overall control line by following formula:
Wherein, TPermitOverall control line, unit: head/year are cultivated for region；TIt is existingFor the practical cultivation amount in region at this stage, unit: head/
Year；ηIt carriesReduction rate is needed for what is calculated according to region livestock and poultry feces bearing capacity of soil, unit: %；ηWaterFor according to region animal dung
What Sewage Environment bearing capacity was calculated needs reduction rate, unit: %.
2. region according to claim 1 cultivates overall control line accounting method, which is characterized in that work as TIt carries>TIt is existingWhen, ηIt carries=
0；Work as TIt carries<TIt is existingWhen, ηIt carriesIt is determined by following formula:
Wherein, TIt carriesFor region livestock and poultry feces bearing capacity of soil, unit: head/year.
3. region according to claim 1 cultivates overall control line accounting method, which is characterized in that work as WHold>WEnter riverWhen, ηWater
=0；Work as WHold<WEnter riverWhen, ηWaterIt is determined by following formula:
Wherein, WHoldFor regional water environmental capacity, WEnter riverFor region pollutants discharged into rivers total amount, β is livestock and poultry cultivation intensivization development and dirt
Dye prevention and treatment is comprehensive to check coefficient, and β value range is 0.70~0.85.
4. region according to claim 3 cultivates overall control line accounting method, which is characterized in that WEnter river=WWork enters river+
WIt lives into river+WLivestock and poultry enter river+WThe face river Yuan Ru, wherein WWork enters riverEnter river amount, W for industrial pollutantsIt lives into riverEnter river amount, W for domestic pollutantLivestock and poultry enter riverFor
Pollution from livestock and poultry object enters river amount, WThe face river Yuan RuEnter river amount for cities and towns and Rural Plane Source Pollution object.
5. region according to claim 3 cultivates overall control line accounting method, which is characterized in that the region cultivation is total
Measure control line accounting method further include:
The agricultural ratio of survey area status waste and region status large-scale cultivation ratio；And
According to the agricultural ratio of the region status waste and the value of the region status large-scale cultivation ratio-dependent β.
6. region according to claim 5 cultivates overall control line accounting method, which is characterized in that β is determined according to following table
Value:
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462030A (en) * | 2020-09-30 | 2021-03-09 | 新疆农垦科学院 | Method and device for measuring and calculating bearing capacity of livestock and poultry manure soil |
| CN114219674A (en) * | 2021-12-15 | 2022-03-22 | 中国农业科学院农业资源与农业区划研究所 | Method and system for determining maximum allowable breeding scale of livestock and poultry in drainage basin |
| CN116340698A (en) * | 2023-03-01 | 2023-06-27 | 中农创达(北京)环保科技有限公司 | Method for measuring and calculating bearing capacity of livestock and poultry manure soil |
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| CN108763850A (en) * | 2018-03-06 | 2018-11-06 | 河海大学 | A kind of appraisal procedure of Plain water system environmental capacity of water and share rate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462030A (en) * | 2020-09-30 | 2021-03-09 | 新疆农垦科学院 | Method and device for measuring and calculating bearing capacity of livestock and poultry manure soil |
| CN114219674A (en) * | 2021-12-15 | 2022-03-22 | 中国农业科学院农业资源与农业区划研究所 | Method and system for determining maximum allowable breeding scale of livestock and poultry in drainage basin |
| CN116340698A (en) * | 2023-03-01 | 2023-06-27 | 中农创达(北京)环保科技有限公司 | Method for measuring and calculating bearing capacity of livestock and poultry manure soil |
| CN116340698B (en) * | 2023-03-01 | 2024-04-19 | 中农创达(北京)环保科技有限公司 | Method for measuring and calculating bearing capacity of livestock and poultry manure soil |
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