CN204550347U - A kind of livestock on hand more than 500 little zone type do the dirty Integrated Processing Unit of clear excrement diary farm excrement - Google Patents

Abstract

The utility model provides a kind of livestock on hand more than 500 little zone type to do the dirty Integrated Processing Unit of clear excrement diary farm excrement, be made up of dry clear excrement treatment system and Waste Water Treatment, described dry clear excrement treatment system is made up of mechanical excrement cleaning device, heap excrement canopy, ripe Fei Peng and fortune dung-cart; Described Waste Water Treatment comprises the wastewater collection and solid-liquid separation subsystem, anaerobic digestion subsystem and aerobic aeration subsystem that are connected successively by pipeline.This equipment takes full advantage of livestock on hand more than 500 little zone type and does clear excrement diary farm excrement dirt product row feature, to realize breeding waste resource utilization, ecosystem self-circulation for ultimate aim, by ight soil and sewage categorised collection classification process, reduce cost of investment and the running cost for the treatment of for cow manure; This equipment effectively can improve the environmental health of plant and periphery, provides guarantee for developing clean cultivation.

Description

A comprehensive treatment device for manure and sewage in dry-cleaning dairy farms with more than 500 cows in stock

technical field

The utility model relates to comprehensive treatment equipment for manure and sewage in dairy farms, in particular to a comprehensive treatment device for manure and sewage in dry-cleaned dairy farms with more than 500 cows in stock.

Background technique

According to the Ministry of Agriculture's "National Advantageous Agricultural Products Regional Planning and Layout 2008-2015" statistics, at present, my country's per capita dairy product consumption is only equivalent to 1/4 of the world's average level and 1/12 of that of developed countries, and there is broad room for development. In recent years, with the increase in the demand for dairy products and driven by the cow-dominant areas, my country's dairy industry has continued to develop at a high speed, and a number of star enterprises and well-known brands have emerged, achieving remarkable results. According to statistics from the Animal Husbandry Yearbook, the national breeding volume in 2012 was 14.4 million head, and according to the plan, it is estimated that by 2015, the national dairy cow breeding volume will reach 17 million head. With the continuous expansion of breeding scale and the increase in the number of intensive dairy farms, the environmental pollution caused by large-scale dairy farm manure, especially the pasture-type large-scale dairy farms that use dry manure as the main manure cleaning process A large amount of high-concentration farming manure is causing widespread concern in the society.

Due to the large amount of manure generated and discharged during the industrial development process has not been effectively controlled and utilized in a timely manner, resulting in a large waste of resources and threatening the quality of livestock products and the safety of the breeding environment. To this end, the national and local governments have issued a series of laws, regulations, standards and norms to constrain and promote the healthy development of the industry. On January 1, 2014, the State Council officially promulgated the "Regulations on the Prevention and Control of Pollution from Large-scale Livestock and Poultry Breeding"; Poultry Breeding Industry Pollution Prevention and Control Technical Specifications, and Livestock and Poultry Breeding Industry Pollution Control Engineering Technical Specifications to constrain and solve livestock and poultry breeding pollution problems.

The dry cleaning manure-type large-scale dairy farm breeding method and its manure collection method are universal in the dairy farming industry and have an important impact on the healthy development of the industry. The vast majority of farms, especially small and medium-sized farms, mainly use the dry manure cleaning process. Compared with the manure production and discharge of water flushing dairy farms, manure is mainly collected in the form of solids. The amount of aquaculture wastewater is relatively small, and the organic matter content in the wastewater is low. However, if it is not treated and discharged randomly, it will also cause serious environmental pollution. It is necessary to develop an economical, applicable and targeted manure treatment device. It is the key problem to be solved by the utility model.

Through industry research, the manure of large-scale dry-cleaning dairy farms mainly comes from cowsheds and sports fields; the waste water in the dry-clearing process mainly comes from the flushing water of the milking parlor equipment pipeline, the floor flushing water of the waiting hall, cow urine, summer Spray water for cowsheds, where farms with spray conditions are the main source of seasonal drainage. Different breeding scales will produce different amounts of waste water, and the corresponding treatment methods will also be quite different. The utility model is mainly aimed at a comprehensive treatment device for dry-cleaning dairy farms with more than 500 cows.

Utility model content

The purpose of the utility model is to provide a comprehensive treatment device for dry-cleaning dairy farm manure and sewage in a residential area with more than 500 cows. The device can comprehensively utilize solid-liquid separation technology, anaerobic biological treatment process and aerobic biological process treatment, and follow the cycle Economic principles and concepts, as far as possible, economically and harmlessly treat dairy farm manure so that it can be recycled in the cattle-farmland ecological subsystem to reduce disturbance and damage to the environment.

The technical scheme of the utility model is: a dry-cleaning excrement comprehensive treatment device for dairy farms with more than 500 cows in stock, which is composed of a dry-cleaning manure treatment system and a wastewater treatment system, and is characterized in that: the dry-cleaning manure treatment system It consists of a mechanical manure cleaning device, a manure shed, a cooked manure shed and a manure truck; the wastewater treatment system includes a wastewater collection and solid-liquid separation subsystem, anaerobic digestion subsystem and aerobic aerator connected in sequence through pipelines system; the wastewater collection and solid-liquid separation subsystem includes a dark pipe collection device, a grid filter device and a dark pipe delivery device; the anaerobic digestion subsystem includes an anaerobic pond and a biogas purification storage device connected by a sealed pipeline; The aerobic aeration subsystem includes an aerobic pond, a multi-stage biological purification storage pond and a recharge pond, the recharge pond is connected to the aerobic pond, and the aerobic pond and the multi-stage biological purification storage pond are connected by pipelines , The multi-level biological purification storage pond and the milking parlor are provided with connecting branch pipes.

The beneficial effects of the utility model are:

1) The device makes full use of the characteristics of manure and sewage production and discharge of small dry-cleaning dairy farms with a population of more than 500 cows. The ultimate goal is to realize the recycling of breeding waste and the self-circulation of the ecosystem, and collect and classify the manure and sewage. Reduced investment and operating costs for manure treatment;

2) The device has good versatility and wide application range, and can meet the manure treatment of small-scale dry-cleaning dairy farms with a stock of more than 500 cows in different regions;

3) The multi-stage biological purification storage pond can effectively relieve the sewage discharge pressure brought by the non-irrigation season, improve the stability of the system and the final sewage treatment quality;

4) The device can effectively improve the environmental sanitation of the farm and its surroundings, and provide a guarantee for the development of clean farming;

5) The device can realize semi-automatic operation, and the operation and maintenance are simple. The operation of the whole system only needs part-time operation, and no fixed personnel are required.

Description of drawings

Fig. 1 is the structural representation of the utility model;

In the figure: 1. Mechanical manure cleaning device; 2. Manure stacking shed; 3. Cooked manure shed; 4. Manure truck; 5. Wastewater collection and solid-liquid separation subsystem; 6. Anaerobic digestion subsystem; 7. Good Oxygen aeration subsystem; 8. Dark pipe collection device; 9. Grille filter device; 10. Dark pipe conveying device; 11. Anaerobic tank; 12. Biogas purification storage device; 13. Aerobic tank; 14. Multi-stage Biological purification storage pond; 15. Recharging pond; 16. Connecting branch pipes.

Detailed ways

The utility model will be further described below in conjunction with specific embodiments, but the protection scope of the utility model is not limited.

Embodiment one:

As shown in the accompanying drawing 1: a kind of comprehensive dry manure treatment device for dairy farms with more than 500 cows in stock, consisting of a dry manure treatment system and a wastewater treatment system, characterized in that the dry manure treatment system consists of The mechanical manure cleaning device 1, the manure shed 2, the cooked manure shed 3 and the manure truck 4 are composed; the waste water treatment system includes a waste water collection and solid-liquid separation subsystem 5, anaerobic digestion subsystem 6 and The aerobic aeration subsystem 7; the wastewater collection and solid-liquid separation subsystem 5 includes a dark pipe collection device 8, a slanted plate grid filter device 9 and a dark pipe delivery device 10; the anaerobic digestion subsystem 6 includes a The anaerobic pond 11 and the methane purification storage device 12 connected by sealed pipes; the aerobic aeration subsystem 7 includes an aerobic pond 13, a multi-stage biological purification storage pond 14 and a recharge pond 15, and the recharge pond 15 and The aerobic pool 13 is connected, and the aerobic pool 13 and the multi-stage biological purification storage pond 14 are connected by pipelines, and the multi-stage biological purification storage pond 14 and the milking parlor are provided with connecting branch pipes 16 .

The method of using the device is:

1) The solid feces in the cattle house and the cattle playground are treated with a dry manure cleaning process, the feces in the cattle house are cleaned with a shovel and a scraper, and the cattle playground is manually cleaned;

2) The treated solid feces can be directly sold as fertilizer, or used as raw materials for organic fertilizer and decomposed fertilizer, and can also be used as a substrate for earthworm breeding or edible fungus cultivation;

3) Collect the equipment flushing water from the milking parlor, the ground flushing water from the parlor to be milked, cow urine and a small amount of cow dung through the hidden pipe in the hall, and the collected sewage is transported to the slanted plate grille filter device through the hidden pipe After filtering, the separated solid enters the manure shed, and the sewage is transported to the anaerobic tank through the hidden pipe;

4) The sewage undergoes anaerobic reaction in the anaerobic tank to reduce the organic matter content in the sewage; the treated sewage is discharged into the aerobic tank, and the generated biogas is input into the biogas purification storage device;

5) The sewage is aerated in the aerobic tank, and the deodorized and deaminated sewage is mixed with clear water in the recharge tank at a volume ratio of 2:1. The water quality reaches GB5084-2005 "Farmland Irrigation Water Quality Standards for crop farming;

6) In the non-irrigating season, the deodorized and deammoniated sewage in the aerobic pool can enter the multi-stage biological purification storage pond for advanced treatment, and the final treated waste water can be used for back flushing milking after being sterilized by the disinfection device hall, and the remaining part is recharged for planting.

Physical and chemical indicators of treated sewage:

1. Inspection items and methods:

Table 1 Physical and chemical index detection items and methods of treated wastewater

serial number project test methods method source 1 Biochemical Oxygen Demand (BOD ₅ ) Dilution and Inoculation GB7488-87 2 Chemical Oxygen Demand (COD _cr ) Potassium dichromate method GB11914-89 3 Suspended solids (SS) gravimetric method GB11901-89 4 Ammonia nitrogen (NH3－N) Nessler's reagent colorimetric method GB7479-87 5 Total phosphorus (calculated as P) Ammonium molybdate spectrophotometry GB11893-89 6 fecal coliform count multi-tube fermentation GB5750-85 7 roundworm eggs Egg Collection by Centrifugation and Precipitation in Tween-80 Citric Acid Buffer GB7959-87 8 pH value glass electrode method GB6920-86 9 total nitrogen Alkaline potassium persulfate digestion ultraviolet spectrophotometry GB11894-89 10 copper atomic absorption spectrophotometry GB/T 7475-1987 11 zinc atomic absorption spectrophotometry GB/T 7475-1987

2. Test results

The physical and chemical indicators of the sewage after the aeration treatment in the aerobic tank and the sewage after the advanced treatment of the multi-stage biological purification storage pond were tested, and compared with the national standard GB18596-2001 "Pollutant Discharge Standard for Livestock and Poultry Breeding Industry", The results are shown in Table 2.

Table 2 Test results of physical and chemical indicators of wastewater after treatment

As can be seen from Table 2, the physical and chemical indicators of dairy farm sewage treated by the utility model equipment are far better than the discharge limit value of GB18596-2001 "Pollutant Discharge Standards for Livestock and Poultry Breeding Industry". The equipment of the utility model can well meet the needs of comprehensive treatment of manure and sewage in dry-cleaning dairy farms with more than 500 cows.

The embodiments of the present utility model have been described in detail above, but the content described is only a preferred embodiment of the present utility model, and cannot be considered as limiting the implementation scope of the present utility model. All equal changes and improvements made according to the application scope of the utility model should still belong to the scope covered by the patent of the utility model.

Claims (1)

1. A kind of dry-cleaning excrement dairy farm excrement comprehensive treatment device for more than 500 heads of herds, consisting of a dry-cleaning manure treatment system and a wastewater treatment system, characterized in that: the dry-cleaning manure treatment system consists of a mechanical manure-cleaning device ( 1), compost shed (2), cooked manure shed (3) and dung truck (4); the wastewater treatment system includes wastewater collection and solid-liquid separation subsystems (5), anaerobic The digestion subsystem (6) and the aerobic aeration subsystem (7); the waste water collection and solid-liquid separation subsystem (5) includes a dark pipe collection device (8), a grid filter device (9) and a dark pipe transportation device (10); the anaerobic digestion subsystem (6) includes an anaerobic tank (11) connected by a sealed pipeline and a biogas purification storage device (12); the aerobic aeration subsystem (7) includes an aerobic Pool (13), multistage biological purification storage pond (14) and recharge pond (15), described recharge pond (15) is connected with aerobic pond (13), and described aerobic pond (13) and multistage The biological purification storage pond (14) is connected through pipelines, and the multi-stage biological purification storage pond (14) is provided with a connecting branch pipe (16) with the milking parlor.