CN104609669A - Manure accumulation pit system and method for discharging low-concentration manure water - Google Patents
Manure accumulation pit system and method for discharging low-concentration manure water Download PDFInfo
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- CN104609669A CN104609669A CN201510042611.7A CN201510042611A CN104609669A CN 104609669 A CN104609669 A CN 104609669A CN 201510042611 A CN201510042611 A CN 201510042611A CN 104609669 A CN104609669 A CN 104609669A
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Abstract
The invention discloses a manure accumulation pit system for discharging low-concentration manure water. The manure accumulation pit system comprises a manure accumulation pit, a discharge tube, a water pump and a solid-liquid separator, wherein a manure liquid forms a floating layer, a liquid layer and a deposition layer from top to bottom inside the manure accumulation pit; the inlet end of the liquid discharge tube is moveably arranged in the liquid layer; the water pump is arranged on the discharge tube; the inlet end of the solid-liquid separator is arranged at the bottom of the manure accumulation pit. The invention further discloses a method for discharging low-concentration manure water. The method comprises the following steps: sucking the manure liquid by using the discharge tube, performing solid-liquid separation, and utilizing the separated substances. The manure accumulation pit system can realize solid-liquid separation according to the practical solid-liquid layering situation of the manure accumulation pit, the problems that the manure accumulation pit is too large and the solid-liquid separator is long in working time and large in power consumption in the prior art are solved, and meanwhile organic fertilizers can be produced and manufactured through microorganism solid fermentation, so that both the environment is protected, and the manure residues can be recycled and reused.
Description
Technical field
The present invention relates to the technical field of agricultural machine device, particularly relate to a kind of manure pit system and method thereof of exhausting low-concentration liquid dung.
Background technology
Along with the raising of people's living standard, the demand of people to pork is increasing, and therefore pig farm is also day by day toward large scale development; correspondingly; manure pit for collecting pig manure liquid becomes the facility that plant must join, and after pig manure liquid collects on the one hand, can not directly be discharged in the external environments such as river; be conducive to protection of the environment; on the other hand, collected pig manure liquid is by after solid-liquid separation, and liquid dung can enter methane-generating pit; solid excrement can use as fertilizer, is conducive to recycling.
The manure pit system of prior art, as shown in Figure 1, comprise the manure pit 100 of 300 cubic metres, a solid-liquid separating machine 200, a methane-generating pit 300 and a collection slag bath 400, bottom is located in the outlet 101 of described manure pit, and be connected by pipeline with solid-liquid separating machine 200, after solid-liquid separating machine 200 is separated, parting liquid enters methane-generating pit 300, solid slag then enters collection slag bath 400, use as fertilizer, this is the manure pit system that prior art generally adopts, the manure pit outlet of this system is arranged on bottom manure pit, the starting point of its design thinks in manure pit, the larger solid precipitation of density ratio is at the bottom of pond, and more clear liquid is positioned at the upper strata of solid, form solid-liquid double-layer structure, outlet is set in therefore at the bottom of pond and carries out solid-liquid separation, the weak point of this design is, the volume of manure pit is too huge, reach 300 cubic metres, solid-liquid separating machine is also uninterrupted duty in 24 hours, treatment capacity is very large, for large―scale hoggery, annual all needs consumes a large amount of electricity.
The present inventor in livestock industry field through practice for many years and observation, be surprised to find that, in fact a large amount of in manure pit pig manure solids swims in above liquid, can be formed a thick layer of, certainly at the bottom of pond, also can precipitate pig manure solid, and liquid is clipped in the middle layer, that is forms the solid three-decker of solid-liquid from top to bottom, this, for the existing manure pit system of improvement, is design basis of the present invention.In view of this, the present inventor studies and devises a kind of manure pit system and method thereof of exhausting low-concentration liquid dung, and this case produces thus.
Summary of the invention
The object of the present invention is to provide a kind of manure pit system of exhausting low-concentration liquid dung, according to the solid-liquid delamination of manure pit reality, carry out solid-liquid separation, too huge to solve prior art manure pit, solid-liquid separating machine longevity of service, take electricity problem.
Another object of the present invention is to a kind of method that exhausting low-concentration liquid dung is provided, by said system, pump drainage is carried out to lower concentration liquid dung, realizes solid-liquid separation, the solid after separation and liquid are recycled.
For achieving the above object, the present invention solves the technical scheme of its technical problem and is:
A kind of manure pit system of exhausting low-concentration liquid dung, comprise manure pit, liquid discharge pipe, lift pump and solid-liquid separating machine, the pig manure liquid of described manure pit forms floating layer, liquid level and the beds of precipitation from top to bottom, the inlet end of described liquid discharge pipe is arranged in described liquid level in mobilizable mode, described lift pump is arranged on described liquid discharge pipe, and the inlet end of described solid-liquid separating machine is arranged on the bottom of described manure pit.
As the optimal way of embodiment, also comprise kickboard, described kickboard is arranged on the inlet end of described liquid discharge pipe, and the end face of described kickboard contacts with the bottom of described floating layer.
As the optimal way of embodiment, also comprise bellows, described bellows is arranged in described liquid discharge pipe, and is positioned at the top of described floating layer.
As the optimal way of embodiment, also comprise methane-generating pit, the exit end of described liquid discharge pipe is arranged in described methane-generating pit.
As the optimal way of embodiment, also comprise collection slag bath, the liquid exit end of described solid-liquid separating machine is arranged in described methane-generating pit, and the solid outlet end of described solid-liquid separating machine is arranged in described collection slag bath.
A method for exhausting low-concentration liquid dung, comprises the following steps:
Step one, liquid discharge pipe drawing liquid: liquid dung flows into from described manure pit inlet end, form floating layer, liquid level and beds of precipitation three-decker from top to bottom at described manure pit, and liquid is expelled to described methane-generating pit by the liquid discharge pipe inlet end being arranged in described liquid level;
Step 2, solid-liquid separation: after the liquid of described manure pit has been discharged, after in described manure pit, the solid layer be made up of floating layer and the beds of precipitation expired by collection, close described manure pit inlet end, under the effect of described solid-liquid separating machine, solid layer in described manure pit, by solid-liquid separation, forms parting liquid and solid slag;
Step 3, isolate utilize: described parting liquid enters in described methane-generating pit, and described solid slag enters in described collection slag bath, in described collection slag bath, be also added with microorganism, and described solid slag, at the effect bottom fermentation of microorganism, forms fertilizer.
As the optimal way of embodiment, the size of described manure pit is 100 cubic metres.
As the optimal way of embodiment, the working hour of described solid-liquid separating machine is 8 hours every days.
After the present invention adopts technique scheme, there is following beneficial effect:
1. make greatly reducing of the volume hinge structure of described manure pit, save land seizure area.
2. the working hour of solid-liquid separating machine, by uninterrupted dutys in 24 hours of prior art, become 8 hours of the present invention service intermittents, be the high-power solid-liquid separating machine of 1000W for power, a large amount of electricity can be saved every year.
3. the solid slag after solid-liquid separation, after adding microorganism, is used to fermentation and manufactures fertilizer, improve the comprehensive utilization ability of liquid dung.
Accompanying drawing explanation
Fig. 1 is the manure pit system architecture schematic diagram of prior art;
Fig. 2 is structural representation of the present invention.
Embodiment
embodiment 1
As shown in Figure 2, present invention is disclosed a kind of manure pit system of exhausting low-concentration liquid dung, comprise manure pit 1, liquid discharge pipe 2, lift pump 3 and solid-liquid separating machine 4, the pig manure liquid of described manure pit forms floating layer 11, liquid level 12 and the beds of precipitation 13 from top to bottom, the inlet end 21 of described liquid discharge pipe 2 is arranged in described liquid level 12 in mobilizable mode, described lift pump 3 is arranged on described liquid discharge pipe 2, and the inlet end 41 of described solid-liquid separating machine 4 is arranged on the bottom of described manure pit 1.
As the optimal way of embodiment, also comprise kickboard 5, described kickboard 5 is arranged on the inlet end 21 of described liquid discharge pipe, and the end face of described kickboard 5 contacts with the bottom of described floating layer 11; Because kickboard swims on liquid level, it is hereby ensured that the inlet end of described liquid discharge pipe can be immersed in liquid level all the time, guarantee that liquid level is clean by pump drainage.
As the optimal way of embodiment, also comprise bellows 6, described bellows 6 is arranged in described liquid discharge pipe 2, and be positioned at the top of described floating layer 11, in the process of pump drainage liquid, liquid level changes at any time, therefore arranges bellows and can guarantee that the inlet end of described liquid discharge pipe is also along with variation.
As the optimal way of embodiment, also comprise methane-generating pit 7, the exit end 22 of described liquid discharge pipe 2 is arranged in described methane-generating pit 7.
As the optimal way of embodiment, also comprise collection slag bath 8, the liquid exit end 42 of described solid-liquid separating machine 4 is arranged in described methane-generating pit 7, and the solid outlet end 43 of described solid-liquid separating machine 4 is arranged in described collection slag bath 8.
embodiment 2
A method for exhausting low-concentration liquid dung, comprises the following steps:
Step one, liquid discharge pipe drawing liquid: liquid dung flows into from described manure pit inlet end, form floating layer, liquid level and beds of precipitation three-decker from top to bottom at described manure pit, and liquid is expelled to described methane-generating pit by the liquid discharge pipe inlet end being arranged in described liquid level;
Step 2, solid-liquid separation: after the liquid of described manure pit has been discharged, after in described manure pit, the solid layer be made up of floating layer and the beds of precipitation expired by collection, close described manure pit inlet end, under the effect of described solid-liquid separating machine, solid layer in described manure pit, by solid-liquid separation, forms parting liquid and solid slag;
Step 3, isolate utilize: described parting liquid enters in described methane-generating pit, and described solid slag enters in described collection slag bath, in described collection slag bath, be also added with microorganism, and described solid slag, at the effect bottom fermentation of microorganism, forms fertilizer.
As the optimal way of embodiment, the size of described manure pit is 100 cubic metres.
As the optimal way of embodiment, the working hour of described solid-liquid separating machine is 8 hours every days.
Instant invention overcomes prior art prejudice, according to the solid-liquid delamination of manure pit reality, carry out solid-liquid separation, on the one hand the volume-diminished to 100 cubic metre of manure pit, save a large amount of land use areas, the treatment capacity of solid-liquid separating machine greatly reduces, every day in treatment time can have original 24 hours to be contracted to 8 hours every days, saves electricity, the solid slag on the other hand after process, after adding microorganism again, ferment, form fertilizer, improve the comprehensive utilization ratio of liquid dung.
All distortion that those of ordinary skill in the art can directly derive from the disclosure of invention or associate, all should think protection scope of the present invention.
Claims (8)
1. the manure pit system of an exhausting low-concentration liquid dung, it is characterized in that: comprise manure pit, liquid discharge pipe, lift pump and solid-liquid separating machine, the pig manure liquid of described manure pit forms floating layer, liquid level and the beds of precipitation from top to bottom, the inlet end of described liquid discharge pipe is arranged in described liquid level in mobilizable mode, described lift pump is arranged on described liquid discharge pipe, and the inlet end of described solid-liquid separating machine is arranged on the bottom of described manure pit.
2. the manure pit system of a kind of exhausting low-concentration liquid dung as claimed in claim 1, it is characterized in that: also comprise kickboard, described kickboard is arranged on the inlet end of described liquid discharge pipe, and the end face of described kickboard contacts with the bottom of described floating layer.
3. the manure pit system of a kind of exhausting low-concentration liquid dung as claimed in claim 2, it is characterized in that: also comprise bellows, described bellows is arranged in described liquid discharge pipe, and is positioned at the top of described floating layer.
4. the manure pit system of a kind of exhausting low-concentration liquid dung as claimed in claim 1, is characterized in that: also comprise methane-generating pit, and the exit end of described liquid discharge pipe is arranged in described methane-generating pit.
5. the manure pit system of a kind of exhausting low-concentration liquid dung as claimed in claim 4, it is characterized in that: also comprise collection slag bath, the liquid exit end of described solid-liquid separating machine is arranged in described methane-generating pit, and the solid outlet end of described solid-liquid separating machine is arranged in described collection slag bath.
6. a method for exhausting low-concentration liquid dung as claimed in claim 5, is characterized in that: comprise the following steps:
Step one, liquid discharge pipe drawing liquid: liquid dung flows into from described manure pit inlet end, form floating layer, liquid level and beds of precipitation three-decker from top to bottom at described manure pit, and liquid is expelled to described methane-generating pit by the liquid discharge pipe inlet end being arranged in described liquid level;
Step 2, solid-liquid separation: after the liquid of described manure pit has been discharged, after in described manure pit, the solid layer be made up of floating layer and the beds of precipitation expired by collection, close described manure pit inlet end, under the effect of described solid-liquid separating machine, solid layer in described manure pit, by solid-liquid separation, forms parting liquid and solid slag;
Step 3, isolate utilize: described parting liquid enters in described methane-generating pit, and described solid slag enters in described collection slag bath, in described collection slag bath, be also added with microorganism, and described solid slag, at the effect bottom fermentation of microorganism, forms fertilizer.
7. the method for a kind of exhausting low-concentration liquid dung as claimed in claim 6, is characterized in that: the size of described manure pit is 100 cubic metres.
8. the method for a kind of exhausting low-concentration liquid dung as claimed in claim 6, is characterized in that: the working hour of described solid-liquid separating machine is 8 hours every days.
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| CN201510042611.7A CN104609669B (en) | 2015-01-28 | 2015-01-28 | Manure accumulation pit system and method for discharging low-concentration manure water |
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| CN201510042611.7A CN104609669B (en) | 2015-01-28 | 2015-01-28 | Manure accumulation pit system and method for discharging low-concentration manure water |
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Citations (3)
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| KR100572516B1 (en) * | 2003-02-03 | 2006-04-19 | 충북대학교 산학협력단 | Wastewater Treatment Method |
| CN201538737U (en) * | 2009-11-16 | 2010-08-04 | 崔勇 | Integrated livestock culturing farm feces biological treatment system |
| CN102161550A (en) * | 2011-01-13 | 2011-08-24 | 蔡志武 | Method for producing feed additive from livestock and poultry breeding wastewater and purifying breeding wastewater to reclaimed water |
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- 2015-01-28 CN CN201510042611.7A patent/CN104609669B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100572516B1 (en) * | 2003-02-03 | 2006-04-19 | 충북대학교 산학협력단 | Wastewater Treatment Method |
| CN201538737U (en) * | 2009-11-16 | 2010-08-04 | 崔勇 | Integrated livestock culturing farm feces biological treatment system |
| CN102161550A (en) * | 2011-01-13 | 2011-08-24 | 蔡志武 | Method for producing feed additive from livestock and poultry breeding wastewater and purifying breeding wastewater to reclaimed water |
Non-Patent Citations (2)
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| 吴丽丽等: ""畜禽粪便固液分离方法及设备应用分析"", 《2010国际农业工程大会论文集》 * |
| 王宝艾等: ""关于猪粪尿处理系统的现状"", 《家畜生态》 * |
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Effective date of registration: 20211123 Address after: 264200 No. 220, Keji Road, torch high tech Industrial Development Zone, Weihai City, Shandong Province Patentee after: Weihai high tech Park Operation Management Co.,Ltd. Address before: 351100 Dong Qiao Zhen Dong Xing Cun, Xiuyu District, Putian City, Fujian Province Patentee before: FUJIAN YISHENG AGRICULTURAL DEVELOPMENT Co.,Ltd. |