CN210885686U

CN210885686U - Livestock and poultry manure cleaning, recycling and resource utilization facility

Info

Publication number: CN210885686U
Application number: CN201920573996.3U
Authority: CN
Inventors: 游建军; 曾睿; 唐传祥; 胡志鑫
Original assignee: Hunan Airbluer Environmental Protection Technology Co ltd
Current assignee: Hunan Airbluer Environmental Protection Technology Co ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-06-30
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses a livestock and poultry excrement clean recycling treatment and resource utilization facility, which comprises (1) a sewage adjusting tank 1 for flushing sewage treatment of a pen after cleaning excrement, a sewage treatment unit 2 and water and fertilizer integrated units 3-8, and (2) a fresh excrement storage tank 9 for ① for dry excrement treatment, a fresh excrement storage tank 11 for 1/3 for passing through a shaftless screw conveyor 10 to a fly maggot breeding greenhouse 11, a 2/3 fresh excrement storage tank 12 for mixing fresh excrement and fertilizer, a screw extrusion separator 13 for mixing fresh excrement and fertilizer, an upflow solid anaerobic reactor 14 for separated excrement and liquid harmless treatment unit 15.

Description

Livestock and poultry manure cleaning, recycling and resource utilization facility

Technical Field

The utility model belongs to the treatment of beasts and birds excrement and sewage and utilization field, further indicate a clean retrieval and utilization of beasts and birds excrement and sewage handles and utilization facility.

Background

With the rapid development of the economy of China, the living standard of people is continuously improved, the demand of livestock and poultry products is increased year by year, and livestock and poultry breeding becomes the most active growth point and the main supporting industry in the rural economy of China. Then, with the increasing scale and intensification degree, the livestock breeding becomes a non-negligible pollution source.

In the past, soybeans which are wastes such as scattered breeding, pig manure, total points and the like of thousands of households are automatically digested, and the problem of centralized pollution discharge is caused by intensive and large-scale breeding at present. With the adjustment of the agricultural industry structure, the livestock and poultry breeding industry is gradually separated from the agricultural production system, and the characteristics of independence and specialization become more and more obvious. Especially, the high-efficiency fertilizer is used in a large amount, the breeding industry and the planting industry are separated, the livestock and poultry manure cannot be fully utilized in agricultural planting, the original way is lost, the livestock and poultry manure is discharged randomly, the leaching solubility of the livestock and poultry manure is strong, and if the livestock and poultry manure is not discharged in time, surface water can be polluted by runoff, and then underground water is polluted by soil percolation. Therefore, the livestock and poultry manure is a main source of rural environmental pollution.

In addition, the untreated or incompletely treated high-concentration livestock and poultry organic sewage is discharged or flushed by rainwater into rivers, lakes and reservoirs, so that nutrients such as N, P in the water are increased, and the eutrophication of paddy fields is caused; the culture sewage permeates into underground water for a long time, so that the concentration of nitrate nitrogen or nitrite nitrogen in the underground water is increased, the nitrogen source pollution and organic pollution of the underground water can be caused, the numerical value is deteriorated, and the function of a drinking water source is lost.

Furthermore, farms produce malodorous gases, as well as dust and microorganisms. The stink has peculiar bad smells of skin secretion, adhesive substances, exhaled breath and the like of livestock and poultry, and also has the decomposition of organic matters in the stacking process of excrement and urine to generate H2S, NH3-N, amine mercaptan, phenol, volatile organic acid, indole, skatole, ethanol, acetaldehyde and other hundreds of toxic and harmful substances. Most of the components of the pollutants have adverse effects on the surrounding environment, have irritation and toxicity to people and animals, are unpleasant to people and even difficult to tolerate, and affect the life quality and the work efficiency of people. The aerosol of the farm bat carries various microorganisms to spread along with wind, thereby enlarging the pollution and hazard range.

The livestock and poultry manure has the characteristics of wide pollution area, large pollution load, complex pollution components and great treatment difficulty.

At present, large-scale farms are limited by land, technology and cost, so that the utilization rate of excrement and sewage in the farms is not high, the standardization degree of utilization modes is poor, the processes are uneven, the utilization efficiency is low, the resource waste is serious and the like, which commonly exist the problem of the comprehensive utilization focus of the excrement and sewage.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a clean retrieval and utilization of beasts and birds excrement and urine is handled and utilization facility to comprehensive utilization and improvement utilization ratio take the place of, adopt the excrement and urine collection mode of highly integrated water conservation in plant, and adopt the pen washing mode after dry clear excrement and dry clear excrement. After the pigsty flushing sewage after the manure is dried and cleaned is treated by the sewage treatment unit to reach the standard, the pigsty flushing sewage is reused for flushing farmlands and colony houses, or is matched with a water-fertilizer integrated unit to implement field sprinkling irrigation/drip irrigation, and one part of fresh pig manure after the manure is dried and cleaned is used for fly maggot breeding; after the other part is subjected to solid-liquid separation, the liquid manure is treated by an anaerobic and biogas slurry innocent treatment unit and then is sent to a transfer pool and a water-fertilizer integrated unit for matching use; forced ventilation static composting is carried out on the manure; one part forms a bulk organic fertilizer product; the other part is made into a fuel carbon rod. The cleaning and recycling are characterized in that the dry and clear excrement and the flushing sewage of the ring fence after the dry and clear excrement are recycled and recycled after being treated.

For convenience of description, the treatment of the pen flushing sewage after the excrement is dried and cleaned is described in the foregoing, and the respective treatments of the information on the dried and cleaned excrement are described in the following.

In order to realize the purpose, the utility model provides a technical scheme is:

a facility for cleaning and reusing the dung of domestic animals and fowls and making them into resource is composed of (1) sewage treating pool, sewage treating unit (including fixed-filler anoxic pool, suspended-filler aerobic pool and efficient settling pool), water-fertilizer integrated unit (including fast filter pool, clean water and reuse pool, marsh liquid transfer pool, fertilizer-dissolving pool, fertilizer-adding tank and spray irrigation unit), ① fresh dung storing pool, 1/3 fresh dung amount, 2/3 fresh dung amount, mixing and homogenizing pool, spiral extruding separator, lift-flow solid anaerobic reactor, marsh liquid innocent treating unit (including soft filler treating pool and hard filler treating pool), forced ventilating slag, static compost, and baking area, where one half of fertilizer is dispersed and the other half of fertilizer is made into finished product, and drying in air by spiral conveyer, spreading belt mixer, carbon rod adding carbon rod shaping machine, and spreading area (23-23).

1 treating the sewage after flushing the ring fence after cleaning the excrement

(1) A sewage adjusting tank: the front end wall of the sewage adjusting tank is provided with a main water inlet pipe, and the rear end wall of the sewage adjusting tank is provided with a water outlet pipe.

(2) A sewage treatment unit: the sewage treatment unit comprises an anoxic tank containing fixed fillers, suspended fillers, a high-efficiency sedimentation tank and a sludge concentration tank.

① fixed filler anoxic tank, wherein the front tank wall of the fixed filler anoxic tank is provided with a fixed filler anoxic tank water inlet pipe, the diagonal line of the tank bottom is provided with a fixed filler anoxic tank, the tank bottom is provided with a convection propeller, and the tank is provided with fixed filler (the fixed filler is semi-soft filler, the size of single sheet is 150mm, the distance between sheets is 100mm, and the specific surface area is 6449m²/m³The height of the filler is 2500mm), and a water outlet hole for fixing the filler and oxygen-deficient pool wall is arranged 50mm below the water surface at the rear end of the pool wall.

② aerobic pool with suspended filler, wherein the bottom of the aerobic pool is provided with an aerator component (the aerator is a disc type rubber film microporous aerator, the specification is 215mm, and the air supply amount is 1.5-3.0 m)³/(h, n), the service area is 0.35 to 0.6m²One, the oxygen utilization rate is more than or equal to 20 percent), an upper part and a lower part are arranged in the pool, and a compartment formed by the upper wire mesh and the lower wire mesh is filled with suspended fillers (the suspended fillers are sponge block spherical suspended fillers with the specification of phi 80mm and the specific surface area of 800m²/m³. The filling rate of the filler was 40%). A water outlet hole at the lower part of the rear end tank wall of the suspended filler aerobic tank is arranged at the lower part of the rear end tank wall. An oxygen supply fan is arranged beside the suspension filler sedimentation tank 2 c.

③ high-efficiency sedimentation tank, wherein the high-efficiency sedimentation tank is provided with an inclined tube bracket and an inclined tube (the inclined tube bracket is ∠ 60X6mm angle steel, the specification of the inclined tube is d is 100mm, Q is 60 degrees, the length of the inclined tube is 1000mm, and the vertical sign is 867mm), the side wall is provided with a communicating hole communicated with the sludge concentration tank, and the upper part of the tank wall at the rear end of the tank is provided with a water outlet pipe of the high-efficiency sedimentation tank with the water level below 60 mm.

④ sludge concentration tank, wherein the bottom of the sludge concentration tank is provided with a sludge discharge pipe at the bottom of the sludge concentration tank.

(3) Liquid manure integration unit: the water and fertilizer integrated unit comprises a rapid filter tank, a clear water and recycling tank, a biogas slurry transfer tank, a dissolved fertilizer preparation tank, a fertilizer liquid feeding tank and a water and fertilizer integrated sprinkling irrigation unit.

① quick filter pool, wherein the front end of the quick filter pool is not provided with a quick filter pool water inlet pipe below 100mm, the bottom of the quick filter pool is provided with a bottom filter plate filter head assembly (the size of the filter plate is equal to 980X980X100 mm) which is 300mm upward, the filter head is a mushroom-type short-handle filter head with the length of 150mm and the filter head interval of 114mm, the filter head is made of ABS, and the quick filter pool is further provided with a support layer (the support layer is 2-4mm high-quality coarse quartz sand with the thickness of 100mm) upward, a composite filter material layer (the composite filter material is a shell filter material, artificial zeolite, quartz sand and carborundum, the mass ratio of each of the four filter materials is 25%, the total height of the filler is 1.2m), and a back-flushing drainage groove, and the bottom of the back end of the pool wall is provided with a quick filter pool water.

② clean water and recycling pool, wherein the clean water and recycling pool is provided with a sterilizer (adopting chlorine dioxide for sterilization), and the bottom of the rear end of the pool is provided with a recycling water pump (submerged pump).

③ biogas slurry transfer pool, wherein the front wall of the biogas slurry transfer pool is provided with a biogas slurry transfer pool liquid inlet pipe, and the side wall of the pool is provided with a liquid outlet hole.

④ a fertilizer dissolving and preparing pool, wherein the side wall of the fertilizer dissolving and preparing pool is provided with a fertilizer preparing liquid outlet hole.

⑤ fertilizer liquid feeding groove, wherein the tail part of the fertilizer liquid feeding groove is provided with a fertilizer liquid feeding pump and a liquid outlet pipe.

⑥ water and fertilizer integrated spray irrigation unit, which comprises a water pressure branch pipe, a water pressure main pipe and a spray head.

2 fresh excrement treatment of dry excrement

(1)1/3 fresh feces amount fly maggot breeding

① fresh feces storage pool, wherein the front section of the fresh feces storage pool is provided with a feeding pipe, and the rear end is provided with a discharging pipe.

② shaftless screw conveyer, which comprises a tail bearing seat, a screw shaft, a head bearing seat, a driving device, etc.

③ the housefly larvae breeding greenhouse is a steel-concrete structure and a transparent tile roof, the ceiling is provided with a ventilation device, two sides of the ceiling are provided with convection ventilation devices, the net height of the greenhouse is 5.5m, the width of the greenhouse is 15m, the length of the greenhouse is 90m, 4 groups of housefly larvae breeding trays are arranged on the ground in the greenhouse, each group of breeding trays is 1.8m in width, 86m in length and 300mm in depth, each group of breeding trays is further divided into a plurality of small trays along the length direction, the small trays are 1.8X1.8X0.3m in length, a middle walkway is arranged in the middle of the greenhouse and 1.8m in width, operation walkways are arranged on two sides, gates are arranged at two ends, a window is arranged at a position 1.2m above each housefly larvae breeding base tray on two side walls, and the windows are screen windows.

(2)2/3 forced ventilation of fresh excrement and static compost and biogas liquid utilization

① mixing and homogenizing tank, wherein the inlet of the mixing and homogenizing tank is provided with a feeding pipe of the mixing and homogenizing tank, and the tank is provided with a vertical stirrer.

② spiral extrusion separator, which comprises a belt wheel, a differential, a bearing seat, an overflow plate, a rotary drum, a cover shell, an extrusion screw and the like.

③ upflow solid anaerobic reactor, wherein the bottom of the upflow solid anaerobic reactor is provided with an upflow solid anaerobic reactor feed pipe and a water distribution branch pipe, the upper part is a solid bed, the inner surface of the upright section is provided with a water outlet channel and an outer liquid outlet pipe, the inner surface and the water outlet channel have the same height and are provided with a slag baffle plate, the upper part is a gas collection chamber, and the top part is a methane pipe.

④ harmless treatment unit of biogas slurry, which comprises a soft filler treatment pool and a hard filler treatment pool.

1) A soft filler treatment tank: the front stone wall of the soft filler treatment pool is provided with a liquid inlet pipe of the soft filler treatment pool, the bottom of the pool is diagonally provided with a stirrer of the soft filler treatment pool, and soft fillers (the length of a soft filler fiber bundle is 120mm, the bundle spacing is 120mm, the fiber yarn quantity is 8000 fibers/bundle, and the theoretical specific surface area is 1235m²/m³) And the tank wall at the rear end of the tank is provided with a water outlet hole at the rear end of the tank wall of the soft material treatment tank.

2) Hard filler treatment tank: the hard filler treatment tank is internally provided with an upper reinforcing mesh and a lower reinforcing mesh (the reinforcing steel bar is phi 5mm, the mesh interval is 40mm) in the hard filler treatment tank, and the reinforcing mesh is filled with hard filler for quality inspection (the hard filler is blocky bamboo charcoal and coarse coal slag, the proportion is 1:1, the particle size is 50-60 mm, and the filling rate of the hard filler is 50%). The top of the tank and the two sides in the tank are provided with an aerator and an aeration pipeline. The tail end of the tank is provided with a rigid filler treatment tank liquid outlet pipe which is connected with a biogas slurry transfer tank liquid inlet pipe.

⑤ forced ventilation static composting greenhouse is provided with a raw material area, a material mixing area, a heap area (the bottom layer of the heap area is provided with a bottom aeration pipe, and is connected with a pressure variable air feeder and a forced ventilation pipe arranged in a ventilator room), a heap area heap is arranged above the bottom aeration pipe, the height of the heap is 2m, the length of a single heap is 8-10 m, the width is 6m, and a plurality of heap areas are arranged and combined), a material spreading area, a packaging area, a finished product warehouse, organic fertilizer piled in the forced ventilation static composting greenhouse, half amount of the organic fertilizer is bulk organic fertilizer, and the other half part is used for preparing fuel carbon rods.

⑥ spreading the other half of the material in the material spreading area to make fuel carbon rods

1) Spreading a material screw conveyer: the spreading spiral conveyor is an upward inclined spreading spiral conveyor.

2) Horizontal double helical ribbon mixer: the horizontal double-helical ribbon mixer consists of a 3-cube U-shaped container, helical ribbon stirring blades and a transmission part.

3) And (3) feeding auxiliary materials into a bin: the auxiliary material feeding bin is made of steel, square and provided with a funnel. The auxiliary material bins are 5 sets, and straw powder, firewood powder, crushed ingredients, machine oil splashing, clay and the like are respectively added.

4) A spiral extrusion block forming machine: the spiral extrusion block forming machine comprises a material conveying inlet, a driving shaft, a screw rod propeller, a die and the like. The mold produces a molded fuel carbon rod.

5) And (3) airing the greenhouse by using a carbon rod: the carbon rod sunning big-arch shelter, the basic structure is: the steel-concrete structure, transparent roof and ceiling are equipped with ventilation device, and two sides are equipped with convection ventilation device. The greenhouse is divided into a drying area, a middle operation walkway and a finished product stacking area according to functions.

1 the process flow chart of the livestock and poultry excrement cleaning and recycling facility and the implementation method is shown in figure 8.

2 method of implementation

The cleaning and recycling mode is characterized in that the dry manure cleaning and the ring fence flushing liquid manure (sewage) are recycled and recycled after being treated.

For convenience of description, the treatment of the pen washing wastewater after the dry feces cleaning is described above, and the treatment of the dry feces cleaning is described below.

(1) Treating the sewage after flushing the ring fence after cleaning the excrement

① pig manure produced by piggery in piggery of piggery area is cleaned out of piggery mechanically or manually, and the piggery flushing sewage after cleaning manure enters into sewage regulating pool through main water inlet pipe to regulate water quantity and quality.

The function of the sewage adjusting tank is to adjust the water quantity and the water quality, and to create good working conditions for the treatment facilities.

② Sewage in the sewage adjusting tank enters the fixed filler anoxic tank of the sewage treatment unit through the sewage pipe via the fixed filler anoxic tank water inlet pipe, the fixed filler anoxic tank provides dissolved oxygen DO which is less than or equal to 1.0mg/L and is needed by denitrification reaction by the convection propeller at the bottom of the fixed filler anoxic tank, the fixed filler arranged in the tank is used for improving the microorganism concentration, and the biological phase is rich, so that the anaerobic microorganism inhabitation metabolic environment is improved, and the denitrification treatment effect is effectively provided.

The function of the fixed filler anoxic tank is as follows: mainly removes suspended solids SS, removes organic COD and denitrifies nitrogen.

③ the water outlet hole of the fixed filler anoxic tank enters the suspended filler aerobic tank through the water outlet hole on the rear wall of the fixed filler anoxic tank, the aerator at the bottom of the suspended filler aerobic tank is constructed to provide 2-4 mg/L dissolved oxygen DO required by aerobic decarbonization and nitrification breeding, the aerator component is connected with an oxygen supply fan arranged beside the tank, the suspended filler arranged in the tank is sponge block spherical suspended filler, and has the advantages of high porosity, excellent hydrophilicity and large microorganism load, the unit solvent in the tank has high microorganism solid content, in addition, the suspended filler is filled in a suspending wayThe material is used for the inhabitation and growth of microbial groups, can form an ecological system of a document, can grow high-grade microorganisms and nitrifying bacteria with low proliferation speed and long generation period above and below the filler, and can denitrify. Therefore, the aerobic tank with the suspended filler has large specific surface area of the filler, good oxygenation conditions in the tank and higher microorganism solid content per unit volume in the tank, so that the removal of organic matter COD and ammonia nitrogen NH can be effectively improved₃-effect of treatment of N.

The suspended filler aerobic tank has the following functions: further removing suspended substances SS, organic matter COD and ammonia nitrogen NH₃-N, total nitrogen TN, total phosphorus TP.

④ the effluent of the aerobic tank with suspended filler enters into the high-efficiency sedimentation tank through the water outlet hole at the lower part of the tank wall at the rear end of the aerobic tank with suspended filler, the high-efficiency sludge-water separation is carried out through the inclined pipe, the settled sludge enters into the sludge concentration tank through the communicating hole, the concentrated sludge is discharged into the forced ventilation static composting greenhouse to participate in composting, and the supernatant after the sludge-water separation in the high-efficiency sedimentation tank enters into the rapid filter tank of the unit integrating water and fertilizer.

The function of high-efficient sedimentation tank: the effluent of the suspended filler aerobic tank 2b is subjected to high-efficiency mud-water separation, suspended solids SS are mainly removed, and organic matter COD and ammonia nitrogen NH are further removed₃-Nh and total phosphorus TP.

⑤ the high-efficiency sedimentation tank enters the fast filter tank from the outlet pipe of the high-efficiency sedimentation tank and the inlet pipe of the fast filter tank connected with the outlet pipe, and the fast filter tank is rapidly filtered by the filter material layer, the supporting layer and the filter head assembly of the bottom filter plate, after the suspended substances SS are deeply removed, the bottom water outlet hole of the tank wall at the rear end of the fast filter tank enters the clean water and reuse water tank and is disinfected by the disinfector, and the backwash drainage is discharged into the backwash drainage tank and is discharged into the sewage adjusting tank.

⑥ the clean water and reuse water pool is the water storage pool of the water and fertilizer integrated unit, the reuse water can flow through the pressurized water branch pipe, the pressurized water main pipe and the spray head of the water and fertilizer integrated spray irrigation system to spray irrigation/drip irrigation in the field, or the fertilizer can be prepared according to the formula in the fertilizer dissolving and preparing pool 6 according to the needs of farmers, and then the fertilizer is pumped into the water and fertilizer integrated spray irrigation system 8 through the fertilizer liquid feeding pump 7 and the liquid outlet pipe to spray irrigation/drip irrigation and fertilizer.

Furthermore, the clean water and the clean water in the reuse water tank 4 can also be pumped by a reuse water pump 4-2 to directly irrigate farmlands and colony houses for washing.

(2) Fresh manure treatment of dry manure

① 1/3 fresh feces amount for direct fly maggot breeding

Pig manure produced by piggery pigs in a piggery of a piggery area every day is mechanically or manually cleaned out of the piggery, dry and clean manure enters a fresh manure storage pool through a feeding pipe, the fresh manure is lifted by 1/3 through a shaftless screw conveyor and conveyed to a maggot feeding base plate of a maggot feeding greenhouse, 3% ammonia water is sprayed on the base plate, the base plate is covered with a film after 24 hours of spawning before the wild flies are introduced, water is sprayed to the base plate according to the situation, and 0.5 kilogram of maggots is produced in 1 square meter after 4 days. The temperature is controlled to be more than 20 ℃ in winter, the adult flies can normally lay eggs when the light irradiates for 8 hours, and maggots can normally grow, so the adult flies can be produced all the year round. The fly maggot is used in producing high value product, such as dried fly maggot and fly maggot powder, as medical material, animal growth promoter, etc. The pig manure is sold according to the market, and the price can reach 2000-3000 yuan/kg, so that higher benefits are obtained, and the value of the pig manure is utilized to the maximum extent.

② 2/3 forced ventilation static compost of fresh feces amount, carbon rod for making fuel and biogas slurry utilization

1) The amount of the 2/3 fresh excrement which is fed into the fresh excrement storage pool through the dry excrement feeding pipe enters the mixing and homogenizing pool through the discharging pipe and the feeding pipe of the mixing and homogenizing pool, and the vertical stirrer is started to stir and mix the fresh excrement.

2) And (3) feeding the uniformly mixed fresh excrement into a spiral extrusion separator to separate excrement residues from liquid excrement.

3) The liquid dung separated by the spiral extrusion separator enters the upflow fixed anaerobic reactor through a liquid inlet pipe and a water distribution branch pipe of the upflow fixed anaerobic reactor, then passes through a solid bed containing high-concentration anaerobic microorganisms upwards, organic matters in the liquid dung are in full contact reaction with the anaerobic microorganisms, methane generated by degradation and conversion of COD of the organic matters rises together with water flow, and the spiral extrusion separator has stirring and mixing effects and promotes the contact of the solids and the microorganisms. In order to degrade the organic solid particles and microorganisms, the organic solid particles and the microorganisms naturally settle and accumulate at the lower part of the fixed bed, the higher microorganism amount is kept in the reactor, and the settling time of the solid is prolonged. The biogas slurry passing through the solid bed overflows from an outlet channel at the upper part of the reactor and is discharged. The three front seals of the water outlet channel are provided with slag baffles to reduce the loss of suspended matters. The generated biogas is discharged through the upper gas collection chamber and the biogas pipe for utilization.

4) The seeds discharged by the overflow of the water outlet channel enter the soft filler treatment tank of the biogas slurry innocent treatment unit from the liquid outlet pipe outside and the liquid inlet pipe of the soft filler treatment tank connected with the liquid outlet pipe, dissolved oxygen DO which is less than or equal to 1.5mg/L and is required by denitrification is provided by a stirrer at the bottom of the soft filler treatment tank, and the soft filler arranged in the tank is diversified in biological phases. The soft filler has higher removal efficiency in removing high-concentration organic matter COD, and the biological relationship of the film is closely shown by the filler. The tolerance of the microorganisms in the high-concentration polluted environment is enhanced by the aid of the diversified biological phases, so that COD (chemical oxygen demand) pollution of high-concentration organic matters is effectively removed; the effluent of the soft filler treatment tank enters a hard filler through a water outlet hole on the rear end tank wall of the soft filler treatment tank, dissolved oxygen DO of about 2mg/L required by aerobic biological reaction is provided by an aerator and an aeration pipeline, the hard filler arranged in the tank is bamboo charcoal and coarse coal slag, has a plurality of holes and micropores with different sizes and strong adsorption capacity, directly adsorbs and immobilizes microbial cells, simultaneously microorganisms are attached to the surface of the hard filler treatment tank for production and propagation, so that a colony is expanded and thickened to form an optimized biomembrane, a plurality of pollutants in the hard filler treatment tank are degraded due to the metabolism of the microorganisms in the biomembrane when passing through the optimized biomembrane, and the biogas slurry is purified, the effluent of the hard filler treatment tank, namely the biogas slurry after harmless treatment enters a biogas slurry transfer tank, and a fertilizer liquid feeding groove enters a water-fertilizer integrated sprinkling irrigation system through a fertilizer feeding pump and a liquid outlet pipe to perform sprinkling irrigation/fertilization in the field.

The function of the biogas slurry innocent treatment unit is as follows: the biological activity of microorganisms is utilized to degrade soluble organic matters and part of insoluble organic matters in the biogas slurry into CO₂And H₂O, while releasing energy, another part being converted into intracellular material of the microorganism,quickly separated and taken out from the biogas slurry, thereby purifying and harmlessly treating the biogas slurry.

5) The manure residues separated by the screw extrusion separator are transported to a raw material area of a forced ventilation static composting greenhouse by a forklift, then transported to a material mixing area by the forklift to be mixed, and when the materials are mixed, the mixed materials are paved on the floor layer by layer, and an inoculant is paved on an intermediate layer (the inoculant is powder biological humic acid) according to 5 percent of the total materials. The mixed materials enter a reactor area, the interval of the reactor area is made of cement and bricks, the length of the general reactor area is 8-10 m, the width is 5-6 m, one surface is open, the reactor area is 16-5 m high and 2m high, a plurality of reactors are arranged and combined, aeration pipes are arranged at the bottom of every five reactor areas, the materials are filled, and then are subjected to timed forced ventilation on the aeration pipes at the bottom layer through a high-pressure counter-flow fan and a forced ventilation pipe of a fan room, the ventilation is performed once every 2 hours and once for 30 minutes, so that the oxygen content in the reactors is kept between 15% and 18%, the ventilation in the reactors is kept good, and the rapid propagation of aerobic microorganisms is promoted. The pile is turned once a week using a forklift or special tool. After 25-30 days of fermentation, the temperature is gradually reduced from 70-80 ℃ at the highest temperature to about 45 ℃, and the product is thoroughly decomposed. Conveying the thoroughly decomposed material to a spreading area by a forklift for spreading, keeping the moisture content of the material at about 30-35% along with the emission of hot gas in the material after 3-4 d, keeping the temperature below 40 ℃, and at the moment, shoveling half of the spreading material in the spreading area into a collecting hopper to enter a packaging area; in the packing area, the material is conveyed from the aggregate bin to the conveyer belt, impurity and large granule are removed through the shale shaker, and qualified material is carried to the packagine machine packing finished product and gets into the finished product warehouse from the undersize.

6) Half of the material spreading area is input into a horizontal double-ribbon mixer by a material spreading screw conveyor, and 10% of straw powder, 15% of firewood powder, 15% of pulverized coal, 3% of waste engine oil and 7% of clay are respectively added into the mixer by utilizing 5 sets of auxiliary material feeding bins 20 according to mass percentage. Stirring and mixing for 5 min, feeding into a spiral briquetting and forming machine, performing spiral extrusion in a non-heating manner, adding adhesive into the feed inlet of the spiral extrusion and forming machine, wherein the adhesive is ground oil sludge and the adding amount is 3 wt%, gradually increasing stress of a screw propeller in the propelling process, and moldingThe carbon rod with the outlet reaching the maximum is formed by extrusion, and the density of the carbon rod is 1.0 to 1.4t/m³The outer diameter is 40mm, the inner diameter is 20mm, and the length is 35 mm. Namely, the specification and the size of the finished product are as follows: outer diameter X inner diameter X length is 40X25X35 (mm). And pushing the finished fuel carbon rods into a drying area in a carbon rod drying greenhouse by a cart for drying, controlling the water content to be about 20%, and entering a finished product stacking area through an intermediate operation walkway.

Compared with the prior art, the utility model discloses an innovation lies in:

the livestock and poultry breeding waste treatment adopts the idea of clean recycling treatment and resource utilization, and the fresh excrement 1/3 is used for maggot breeding. 2/3 solid-liquid separating the feces, producing loose organic fertilizer and producing burning carbon rod; the biogas slurry is subjected to harmless treatment and then participates in the water and fertilizer integrated facility; and (4) treating the liquid dung by using sewage, and then using the liquid dung in the liquid manure integrated unit to irrigate/drip irrigation in the field.

Drawings

The invention will be further explained with reference to the drawings

FIG. 1 is a plan view of a facility for cleaning, recycling and utilizing livestock and poultry manure and resources;

FIG. 2 is a plan detail view of the sewage treatment units numbered 1 and 2;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a plan detail view of the water and fertilizer integrated unit with the serial number of 3-8;

FIG. 5 is a sectional view taken along line B-B of FIG. 4;

FIG. 6 is reference numerals 13 and 14 (a plan view of a detail of the harmless treatment unit for the biogas slurry);

FIG. 7 is a cross-sectional view C-C of FIG. 6;

FIG. 8 is a process flow diagram of a facility for cleaning, recycling and utilizing livestock and poultry manure and resources.

In the figure

1-sewage regulating tank: 1-total water inlet pipe; 1-2-water outlet pipe.

2-sewage treatment unit: 2 a-fixed filler anoxic tank; 2 a-1-fixing a filler anoxic tank water inlet pipe; 2 a-2-fixed filler anoxic tank bottom convection propeller; 2 a-3-fixed packing; 2 a-4-water outlet holes of the tank wall at the rear end of the fixed filler anoxic tank; 2b, a suspended filler aerobic tank; 2 b-1-a suspended filler aerobic tank bottom aerator component; 2 b-2-upper and lower steel wire meshes; 2 b-3-suspended filler; 2 b-4-a water outlet hole at the lower part of the tank wall at the rear end of the suspended filler aerobic tank; 2c, a high-efficiency sedimentation tank; 2 c-1-bracket and inclined tube; 2 c-2-communicating pore; 2 c-3-water outlet pipe of the high-efficiency sedimentation tank; 2d, a sludge concentration tank; 2d-1 sludge discharge pipe at the bottom of the sludge concentration tank; 2E-oxygen supply fan. 3-8-a water and fertilizer integrated unit;

3-fast filter chamber; 3-1, a water inlet pipe of the rapid filter tank; 3-2-bottom filter plate and filter head assembly; 3-supporting layer 3-4-composite filter material layer; 3-5-backwashing the drainage tank; 3-6-water outlet holes at the bottom of the tank wall at the rear end of the rapid filter tank; 4-clear water and recycling pool; 4-1-sterilizer; 4-2-reuse water pump; 5-biogas slurry transfer tank; 5-1-a liquid inlet pipe of the biogas slurry transfer tank; 5-2-liquid outlet holes; 6, dissolving a fertilizer and preparing a fertilizer pool; 6-1-fertilizer preparation liquid outlet holes; 7, feeding a fertilizer solution into a tank; 7-1-fertilizer liquid feeding pump and liquid outlet pipe; 8, a water and fertilizer integrated spray irrigation unit; 8-1-water pressing branch pipe; 8-2-main water pressing pipe; 8-3-spray head.

9-fresh excrement storage pool; 9-1-feed pipe; 9-2-discharge pipe;

10-shaftless screw conveyor;

11-a fly maggot breeding greenhouse; 11-1-a fly maggot breeding plate; 11-2-operating walkways; 11-3-middle walkway; 11-4-gate; 11-5-window.

12-mixing and homogenizing tank; 12-1-feeding pipe of mixing homogenizing pool; 12-2-vertical mixer.

13-screw extrusion separator.

14-an upflow solid anaerobic reactor; 14-1-feeding pipe of upflow solid anaerobic reactor; 14-2-water distribution branch pipe; 14-3 — solid bed; 14-4, water outlet channel; 14-5-slag trap; 14-6, collecting gas; 14-7-biogas pipe; 14-8-outer liquid outlet pipe.

15-a biogas slurry innocent treatment unit; 15 a-soft filler treatment tank; 15 a-1-liquid inlet pipe of the soft filler treatment tank; 15 a-2-soft filler treatment tank stirrer; 15a-3 — a soft filler; 15a-4, water outlet holes on the back wall of the soft material treatment tank; 15 b-hard filler treatment tank; 15 b-1-upper and lower reinforcing mesh in the hard filler treatment tank; 15 b-2-hard filler; 15 b-3-aerator and aeration pipeline; 15 b-4-liquid outlet pipe of hard filler treating tank.

16-forced ventilation static composting greenhouse; 16-1-feedstock zone; 16-2-a mixing zone; 16-3 — bulk region; 16-4-bottom aeration pipe; 16-5-heap area heap; 16-6-spreading material area; 16-7-a packaging area; 16-8-finished product warehouse.

17-arranging a ventilator room; 17-1-variable pressure blower; 17-2-forced draft tube.

18-spreading a material screw conveyer;

19-horizontal double helical ribbon mixer;

20-adding auxiliary materials into a bin;

21-a spiral extrusion block forming machine;

22-a carbon rod;

23-airing the greenhouse by using a carbon rod; 23-1-drying area; 23-2-intermediate operation walkway; 23-3-finished product stacking area.

Detailed Description

For a better understanding of the present invention, the following detailed description of the present invention is given in conjunction with the examples.

Example 1

As shown in fig. 1 to 7, a facility for cleaning, recycling and recycling livestock and poultry manure comprises:

(1) and (3) carrying out flushing sewage treatment on the ring fence after the excrement is dried and cleaned: namely a sewage adjusting tank 1, a sewage treatment unit 2 (containing a fixed filler anoxic tank 2a, a suspended filler 2b and a high-efficiency sedimentation tank 2c), and water and fertilizer integrated units 3-8 (containing a rapid filtration tank 3, a clear water and recycling tank 4, a biogas slurry transfer tank 5, a dissolved fertilizer preparation tank 6, a fertilizer liquid feeding tank 7 and a water and fertilizer integrated sprinkling irrigation unit 8).

(2) ① fresh excrement storage pool 9, 1/3 fresh excrement amount is conveyed to a fly maggot breeding greenhouse 11 through a

shaftless screw conveyor

10, 2/3 fresh excrement amount is conveyed to a mixing and homogenizing pool 12 and a screw extrusion separator 13, separated liquid dung is conveyed to an up-flow type solid anaerobic reactor 14 and a biogas liquid harmless treatment unit 15 (a treatment pool 15a containing soft filler and a treatment pool 15b containing hard filler), separated excrement slag is conveyed to a forced ventilation static composting greenhouse 16 (containing a fan room 17), half of the separated excrement slag forms a scattered organic fertilizer product, the other half of the separated excrement slag forms a fuel carbon rod 22 through a spreading screw conveyor 18, a horizontal double-ribbon mixer 19, an auxiliary material feeding bin 20 and a screw briquetting forming machine 21 in a spreading area 16-6, and the carbon rod 22 is aired to a finished product stacking area 23-3 through a carbon rod airing greenhouse 23.

1 treating the flushing sewage of the pen after the excrement is dried and cleaned

(1) Sewage adjusting pool 1: the front end wall of the sewage adjusting tank 1 is provided with a main water inlet pipe 1-1, and the rear end wall of the sewage adjusting tank is provided with a water outlet pipe 2.

(2) The sewage treatment unit 2: the sewage treatment unit 2 comprises an anoxic tank 2a containing fixed filler, a suspended filler 2b, a high-efficiency sedimentation tank 2c and a sludge concentration tank 2 d.

① fixed filler anoxic tank 2a, wherein the front wall of the fixed filler anoxic tank 2a is provided with a fixed filler anoxic tank water inlet pipe 2a-1, the diagonal line of the tank bottom is provided with the fixed filler anoxic tank, the tank bottom convection propeller 2a-2 is provided with the fixed filler 2a-3 (the fixed filler is semi-soft filler, the size of single sheet is 150mm, the distance between sheets is 100mm, and the specific surface area is 6449m²/m³The height of the filler is 2500mm), and a water outlet hole 2a-4 for fixing the filler and the anoxic tank wall is arranged 50mm below the water surface at the rear end of the tank wall.

② aerobic pool 2b with suspended filler, wherein the bottom of the aerobic pool 2b is provided with an aerator component 2b-1 (the aerator is a disc type rubber film microporous aerator, the specification is 215mm, the air supply is 1.5-3.0 m³/(h, n), the service area is 0.35 to 0.6m²One, the oxygen utilization rate is more than or equal to 20 percent), an upper part and a lower part are arranged in the pool, and a compartment formed by the upper wire mesh and the lower wire mesh is filled with suspended fillers 2b-3 (the suspended fillers are sponge block spherical suspended fillers with the specification of phi 80mm and the specific surface area of 800m²/m³. The filling rate of the filler was 40%). A water outlet hole 2b-4 at the lower part of the rear end tank wall of the suspended filler aerobic tank is arranged at the lower part of the rear end tank wall. An oxygen supply fan 2E is arranged beside the suspension filler sedimentation tank 2 c.

③ high-efficiency sedimentation tank 2c, the high-efficiency sedimentation tank 2c is provided with an inclined tube bracket and an inclined tube 2c-1 (the inclined tube bracket is ∠ 60X6mm angle steel, the specification of the plastic inclined tube is that d is 100mm, Q is 60 degrees, the length of the inclined tube is 1000mm, and the vertical sign is 867mm), the side wall is provided with a communicating hole 2c-2 communicated with the sludge concentration tank 2d, and the upper part of the tank wall at the rear end of the tank is designed with a water level below 60mm and is provided with a water outlet pipe 2c-3 of the high-efficiency sedimentation tank.

④ a sludge concentration tank 2d, wherein the bottom of the sludge concentration tank 2d is provided with a sludge discharge pipe 2d-1 at the bottom of the sludge concentration tank.

(3) 3-8 of water and fertilizer integrated unit: the water and fertilizer integrated unit 3-8 comprises a fast filter tank 3, a clear water and recycling tank 4, a biogas slurry transfer tank 5, a fertilizer dissolving and preparing tank 6, a fertilizer liquid feeding tank 7 and a water and fertilizer integrated sprinkling irrigation unit 8.

① quick filter 3, wherein the front end of the quick filter 3 is not designed with a water inlet pipe 3-1 of the quick filter, the bottom of the quick filter is 300mm upward and is provided with a bottom filter plate and filter head assembly 3-2 (the filter plate is 980X980X100 mm long, X wide, X thick), the filter head is a mushroom type short handle filter head with a length of 150mm, a filter head interval of 114mm and ABS, a support layer 3-3 (the support layer is 2-4mm high-quality coarse quartz sand with a thickness of 100mm), a composite filter material layer 3-4 (the composite filter material is fruit shell filter material, artificial zeolite, quartz sand and carborundum, the four filter materials respectively account for 25% by mass, the total filler height is 1.2m) and a back-flushing drainage tank 3-5. the bottom of the rear end of the filter wall is provided with a quick water outlet hole and a rear end of the filter wall 3-6.

② clean water and recycling pool 4. the clean water and recycling pool 4 is provided with a sterilizer 4-1 (adopting chlorine dioxide for sterilization), and a recycling water pump 4-2 (a submerged pump) is arranged at the bottom of the rear end of the pool.

③ biogas slurry transfer pool 5, wherein the front wall of the biogas slurry transfer pool 5 is provided with a biogas slurry transfer pool liquid inlet pipe 5-1, and the side wall of the pool is provided with a liquid outlet hole 5-2.

④ dissolved fertilizer preparation pool 6. the side wall of the dissolved fertilizer preparation pool 6 is provided with a fertilizer preparation liquid outlet 6-1.

⑤ fertilizer liquid feeding groove 7, the tail part of the fertilizer liquid feeding groove 7 is provided with a fertilizer liquid feeding pump and a liquid outlet pipe 7-1.

⑥ water and fertilizer integrated spray irrigation unit 8, which is composed of 8-1 parts of water pressure branch pipe 8, 8-2 parts of water pressure main pipe 8 and 8-3 parts of spray head.

2 fresh excrement treatment of dry excrement

(1)1/3 fresh feces amount fly maggot breeding

① fresh feces storage pool 9, wherein the front section of the fresh feces storage pool 9 is provided with a feeding pipe 9-1, and the rear end is provided with a discharging pipe 9-2.

② shaftless screw conveyor 10. the shaftless screw conveyor 10 comprises a tail bearing seat, a screw shaft, a head bearing seat, a driving device and the like.

③ the fly maggot breeding greenhouse 11 is a steel-concrete structure, transparent tile roof, ventilation device on the roof, convection ventilation on both sides, net height 5.5m, width 15m, length 90m, 4 sets of fly maggot breeding trays 11-1 in the greenhouse, each set of tray width 1.8m, length 86m, depth 300mm, each set of tray length X wide X thick 1.8X1.8X0.3m, middle walkway 11-3 in the greenhouse width 1.8m, operation walkway 11-2 on both sides, width 1.2m, gate 11-4 on both ends, window 11-5 on each side wall 11-1, screen window on both sides.

① mixing and homogenizing pool 12, wherein the inlet of the mixing and homogenizing pool 12 is provided with a feeding pipe 12-1 of the mixing and homogenizing pool, and the pool is provided with a vertical mixer 12-2.

② spiral extrusion separator 13. the spiral extrusion separator 13 is composed of a belt wheel, a differential, a bearing seat, an overflow plate, a rotary drum, a cover shell, an extrusion screw and other parts.

③ upflow solid anaerobic reactor 14, wherein the bottom of the upflow solid anaerobic reactor 14 is provided with an upflow solid anaerobic reactor feed pipe 14-1 and a water distribution branch pipe 14-2, the upper part is a solid bed 14-3, the inner surface of the upright section is provided with a water outlet channel 14-4 and an outer liquid outlet pipe 14-8, the inner surface and the water outlet channel are provided with a slag baffle plate 14-5 with consistent height, the upper part is a gas collection chamber 14-6, and the top is a biogas pipe 14-7.

④ biogas slurry innocent treatment unit 15. the biogas slurry innocent treatment unit 15 comprises a soft filler treatment tank 15a and a hard filler treatment tank 15 b.

1) The soft filler treatment tank 15 a: the stone wall at the front end of the soft filler treatment pool 15a is provided with a liquid inlet pipe 15a-1 of the soft filler treatment pool, the bottom of the pool is diagonally provided with a stirrer 15a-2 of the soft filler treatment pool, and soft fillers 15a-3 (the length of a soft filler fiber bundle is 120mm, the bundle interval is 120mm, the fiber yarn quantity is 8000 pieces/bundle, and the theoretical specific surface area is 1235m²/m³) And the pool wall at the rear end of the pool is provided with a water outlet hole 15a-4 of the pool wall at the rear end of the soft material treatment pool.

2) Hard filler treatment tank 15 b: the hard filler treatment tank 15b is internally provided with an upper reinforcing mesh 15b-1 and a lower reinforcing mesh 15b-1 (the reinforcing steel bar is phi 5mm, the mesh interval is 40mm) in the hard filler treatment tank, and the reinforcing mesh is filled with hard fillers 15b-2 (the hard fillers are blocky bamboo charcoal and coarse coal cinder, the proportion is 1:1, the particle size is 50-60 mm, and the filling rate of the hard fillers is 50%). The top of the tank and the two sides in the tank are provided with an aerator and an aeration pipeline 15 b-3. The tail end of the tank is provided with a rigid filler treatment tank liquid outlet pipe 15b-4 which is connected with a biogas slurry transfer tank liquid inlet pipe 5-1.

⑤ forced ventilation static composting greenhouse 16, wherein the forced ventilation static composting greenhouse 16 is internally provided with a material conveying area 16-1, a material mixing area 16-2 and a heap area 16-3 (the bottom layer of the heap area is provided with a bottom aeration pipe 16-4, and a pressure variable air blower 17-1 and a forced ventilation pipe 17-2 which are arranged in a ventilator room 17 are connected according to functions, a heap area heap 16-5 is arranged above the bottom aeration pipe, the height of the heap is 2m, the length of a single heap is 8-10 m, the width of the single heap is 6m, and a plurality of heap areas are arranged and combined), a material spreading area 16-6, a warehouse packaging area 16-7 and a finished product 16-8. organic fertilizer piled in the forced ventilation static composting greenhouse 16, half of the organic fertilizer is bulk organic fertilizer, and the other half of the organic fertilizer is used for preparing fuel carbon rods.

⑥ spreading the other half of 16-6 material in the material spreading area to make fuel carbon rod

1) Spreading screw conveyor 18: the spreading screw conveyor 18 is an upwardly inclined spreading screw conveyor.

2) Horizontal double helical ribbon mixer 19: the horizontal double helical ribbon mixer 19 is composed of a 3-cube U-shaped container, helical ribbon stirring blades and a transmission part.

3) Auxiliary material feeding bin 20: the auxiliary material feeding bin is made of steel, square and provided with a funnel. The auxiliary material bins are 5 sets, and straw powder, firewood powder, crushed ingredients, machine oil splashing, clay and the like are respectively added.

4) Screw extrusion block molding machine 21: the screw extrusion block forming machine 21 is composed of a material conveying inlet, a driving shaft, a screw rod propeller, a die and the like. The mold produces a shaped fuel carbon rod 22.

5) The carbon rod sunning big-arch shelter 23: the carbon rod airing greenhouse 23 has the following basic structure: the steel-concrete structure, transparent roof and ceiling are equipped with ventilation device, and two sides are equipped with convection ventilation device. The greenhouse is divided into an airing area 23-1, a middle operation walkway 23-2 and a finished product stacking area 23-3 according to functions.

Example 2

Implementation method of livestock and poultry manure cleaning, recycling and utilizing facility

A process flow chart of the livestock and poultry manure cleaning, recycling and resource utilization facility and the implementation method is shown in figure 8.

2 method of implementation

① pig manure produced by piggery in piggery of piggery area is cleaned out of piggery mechanically or manually, and the piggery flushing sewage after cleaning manure enters the sewage adjusting pool 1 through the main water inlet pipe 1-1 to adjust water quantity and uniform water quality.

The function of the sewage adjusting tank 1, the adjustment of water quantity and the equalization of water quality create good working conditions for treatment facilities.

② Sewage adjusting tank 1 enters fixed filler anoxic tank 2a of sewage treatment unit 2 from sewage pipe 1-2 through fixed filler anoxic tank inlet pipe 2a-1, dissolved oxygen DO less than or equal to 1.0mg/L required by denitrification reaction is provided by fixed filler anoxic tank bottom convection propeller 2a-2, fixed filler 2a-3 arranged in the tank is used for improving microorganism concentration, and has abundant biological phase, so that anoxic microorganism inhabitation metabolic environment is improved, and denitrification treatment effect is effectively provided.

The function of the fixed filler anoxic tank 2a is as follows: mainly removes suspended solids SS, removes organic COD and denitrifies nitrogen.

③ the anaerobic pool 2a with fixed filler enters the aerobic pool 2b with suspended filler through the water outlet 2a-4 on the back of the anaerobic pool with fixed filler, the aerator 2b-1 on the bottom of the aerobic pool with suspended filler provides 2-4 mg/L dissolved oxygen DO needed by aerobic decarbonization and nitration breeding, the aerator component connects with the oxygen supply fan 2E beside the pool, the suspended filler 2b-3 in the pool is sponge block spherical suspended filler with high porosity, good hydrophilicity and large microorganism load, the solid content of the solvent microorganism in the pool is high, in addition, the suspended filler provides microorganism for inhabitation and growth, it can form the ecological system of document, the high-grade microorganism and nitrating bacteria with slow proliferation speed and long generation period can grow up and down the filler, it can denitrify, therefore, the aerobic pool 2b with suspended filler has large specific surface area, good condition in the pool, the solid content of microorganism in unit volume is high, therefore, it can effectively improve the removal of organic matter and NH ammonia nitrogen₃-effect of treatment of N.

The function of the suspended filler aerobic tank 2b is as follows: further removing suspended substances SS, organic matter COD and ammonia nitrogen NH₃-N, total nitrogen TN, total phosphorus TP.

④ the effluent of the aerobic pool 2b with suspended filler enters the high-efficiency sedimentation pool 2c through the water outlet hole 2b-4 at the lower part of the pool wall at the rear end of the aerobic pool with suspended filler, the high-efficiency mud-water separation is carried out through the inclined tube 2c-1, the settled sludge enters the sludge concentration pool 2d through the communicating hole 2c-2, the concentrated sludge is discharged to the forced ventilation static composting greenhouse 16 to participate in composting, and the supernatant after the mud-water separation in the high-efficiency sedimentation pool 2c enters the rapid filtration pool 3 of the integrated unit for water and fertilizer 3-8.

The function of the high-efficiency sedimentation tank 2c is as follows: aerobic to the suspended fillerThe effluent of the pool 2b is subjected to high-efficiency mud-water separation, suspended substances SS are mainly removed, and organic substances COD and ammonia nitrogen NH are further removed₃-Nh and total phosphorus TP.

⑤ the water 2c from the high efficiency sedimentation tank enters the rapid filter tank 3 from the water outlet pipe 2c-3 of the high efficiency sedimentation tank and the water inlet pipe 3-1 of the rapid filter tank connected with the water outlet pipe, rapidly filters through the rechecking filter material layer 3-4, the supporting layer 3-3 and the filter head assembly 3-2 of the bottom filter plate, after the suspended matter SS is deeply removed, the water outlet 3-6 at the bottom of the tank wall at the rear end of the rapid filter tank enters the clean water and reuse water tank 4, and is disinfected through the disinfector 4-1, the backwash water discharge is provided with a backwash discharge groove 3-5 and is discharged into the sewage adjusting tank 1.

⑥ the clean water and reuse water tank 4 is the water storage tank of the water and fertilizer integrated unit 3-8, the reuse water flow 4-2 can be used for sprinkling irrigation/drip irrigation in the field through the pressure water branch pipe 8-1, the pressure water main pipe 8-2 and the spray head 8-3 of the water and fertilizer integrated sprinkling irrigation system 8, or the fertilizer can be prepared according to the formula in the fertilizer dissolving and preparing tank 6 according to the needs of farmers, and then the fertilizer is added by the fertilizer liquid adding tank 7 and pumped into the water and fertilizer integrated sprinkling irrigation system 8 through the liquid outlet pipe 7-1 to be used for sprinkling irrigation/drip irrigation fertilization in the field.

(2) Fresh manure treatment of dry manure

① 1/3 fresh feces amount for direct fly maggot breeding

Pig manure produced by piggery pigs in a piggery of a piggery area every day is mechanically or manually cleaned out of the piggery, dry and clean manure is fed into a fresh manure storage pool 9 through a feeding pipe 9-1, the fresh manure amount lifted by 1/3 through a shaftless spiral conveyor 10 is conveyed to a maggot breeding base plate 11-1 of a

maggot breeding greenhouse

11, 3% ammonia water is sprayed on the base plate, the base plate is covered with a film after laying eggs for 24 hours before flying flies in the field are guided, water is sprayed to the base plate according to conditions, and 0.5 kilogram of maggots are produced at 1 square meter after 4 days. The temperature is controlled to be more than 20 ℃ in winter, the adult flies can normally lay eggs when the light irradiates for 8 hours, and maggots can normally grow, so the adult flies can be produced all the year round. The fly maggot is used in producing high value product, such as dried fly maggot and fly maggot powder, as medical material, animal growth promoter, etc. The pig manure is sold according to the market, and the price can reach 2000-3000 yuan/kg, so that higher benefits are obtained, and the value of the pig manure is utilized to the maximum extent.

1) The fresh excrement from the dry excrement feeding pipe 9-1 to the fresh excrement storage tank 9 and the discharge pipe 9-2 enter the mixing and homogenizing tank 12 through the mixing and homogenizing tank feeding pipe 12-1, and the vertical stirrer 12-2 is started to stir and mix the fresh excrement.

2) The uniformly mixed fresh excrement enters a spiral extrusion separator 13 to separate excrement slag from excrement water in the excrement.

3) The liquid dung separated by the spiral extrusion separator 13 enters the upflow fixed anaerobic reactor 14 through the liquid inlet pipe 14-1 and the water distribution branch pipe 14-2 of the upflow fixed anaerobic reactor, then passes upwards through the solid bed 14-3 containing high concentration anaerobic microorganisms, the organic matters in the liquid dung fully contact and react with the anaerobic microorganisms, the methane generated by the degradation and conversion of the COD of the organic matters rises together with the water flow, and the stirring and mixing effects are realized, so that the contact between the solids and the microorganisms is promoted. In order to degrade the organic solid particles and microorganisms, the organic solid particles and the microorganisms naturally settle and accumulate at the lower part of the fixed bed, the higher microorganism amount is kept in the reactor, and the settling time of the solid is prolonged. The biogas slurry passing through the solid bed overflows and is discharged from an upper water outlet channel 14-4 of the reactor. The three front seals of the water outlet channel are provided with slag baffles 14-5 to reduce the loss of suspended matters. The generated biogas is discharged through an upper gas collection chamber 14-6 and a biogas pipe 14-7 for utilization.

4) The seeds overflowing and discharged through the water outlet channel 14-4 enter the soft filler treatment pool 15a of the biogas slurry harmless treatment unit 15 through the outer liquid outlet pipe 14-8 and the soft filler treatment pool liquid inlet pipe 15a-1 connected with the outer liquid outlet pipe, dissolved oxygen DO which is required by denitrification and is less than or equal to 1.5mg/L is provided by the soft filler treatment pool bottom stirrer 15a-2, and the soft filler 15a-3 arranged in the pool is in biological diversification. The soft filler has higher removal efficiency in removing high-concentration organic matter COD, and the biological relationship of the film is closely shown by the filler. The tolerance of the microorganisms in the high-concentration polluted environment is enhanced by the aid of the diversified biological phases, so that COD (chemical oxygen demand) pollution of high-concentration organic matters is effectively removed; the effluent of the soft filler treatment tank 15a enters a hard filler 15b through a water outlet hole 15a-4 on the rear wall of the soft filler treatment tank, dissolved oxygen DO of about 2mg/L required by aerobic biological reaction is provided by an aerator and an aeration pipeline 15b-3, the hard filler arranged in the tank is bamboo charcoal and coarse coal slag, has a plurality of holes and micropores with different sizes, has strong adsorption capacity, directly adsorbs and immobilizes microbial cells, simultaneously attaches the microbes to the surfaces of the microbial cells for production and propagation, expands and thickens groups to form an optimized biomembrane, pollutants in the biomass are degraded due to the metabolism of the microbes in the biomembrane when countless pollutants pass through the pond, so that the biogas slurry is purified, the effluent of the hard filler treatment tank 15b, namely the biogas slurry after innocent treatment passes through a liquid outlet pipe 15b-4 of the hard filler treatment tank and a liquid inlet pipe 5-1 of a biogas slurry transfer tank connected with the hard filler treatment tank, and the biogas slurry enters a biogas slurry transfer pool 5, and a fertilizer liquid feeding groove 7 enters a water and fertilizer integrated spray irrigation system 8 through a fertilizer liquid feeding pump and a liquid outlet pipe 7-1 to perform spray irrigation/drip irrigation fertilization on the field.

The function of the biogas slurry innocent treatment unit 15 is as follows: the biological activity of microorganisms is utilized to degrade soluble organic matters and part of insoluble organic matters in the biogas slurry into CO₂And H₂And O, simultaneously releasing energy, converting the other part of the O into the intracellular substances of the microorganisms, and quickly separating and taking out the O from the biogas slurry so as to purify and harmlessly treat the biogas slurry.

5) The manure residues separated by the screw extrusion separator 13 are transported to a raw material area 16-1 of a forced ventilation static composting greenhouse 16 by a forklift, then are transported to a material mixing area 16-2 by the forklift to be mixed, when the materials are mixed, the mixed materials are paved on the floor layer by layer, and an inoculant is paved on an intermediate layer (the inoculant is powder biological humic acid) according to 5 percent of the total materials. The mixed materials enter a heap area 16-3, the interval of the heap area is made of cement and bricks, the length of the general heap area is 8-10 m, the width is 5-6 m, one surface is open, the height of the heap body of the heap area is 16-5 m, a plurality of heap bodies are arranged and combined, aeration pipes 16-4 are arranged at the bottom of every five heap areas, the materials are filled, the aeration pipes 16-4 at the bottom layer are regularly and forcibly ventilated through a high-pressure counter-draft fan 17-1 and a forced ventilation pipe 17-2 of a fan room 17, ventilation is carried out once every 2 hours for 30 minutes, the oxygen content in the heap bodies is kept between 15% and 18%, so that good ventilation in the heap bodies is kept, and aerobic microorganisms are promoted to rapidly propagate. The pile is turned once a week using a forklift or special tool. After 25-30 days of fermentation, the temperature is gradually reduced from 70-80 ℃ at the highest temperature to about 45 ℃, and the product is thoroughly decomposed. Conveying the thoroughly decomposed material to a spreading area 16-6 by a forklift for spreading, and after 3-4 d, scattering along with hot gas in the material, keeping the water content at about 30-35% and keeping the temperature below 40 ℃, wherein at the moment, half 16-6 of the spreading material in the spreading area is shoveled into a collecting hopper to enter a packaging area 16-7; in the packing area, the material is conveyed from the aggregate bin to the conveyer belt, impurities and large particles are removed through the vibrating screen, and the qualified material is conveyed to the packing machine from the undersize to be packed into a finished product and then enters a finished product warehouse 16-8.

6) Half of the material spreading area 16-6 is input into a horizontal double-ribbon mixer 19 by a material spreading

screw conveyor

18, 10% of straw powder, 15% of firewood powder, 15% of pulverized coal, 3% of waste engine oil and 7% of clay are respectively added into the mixer by utilizing 5 sets of auxiliary material feeding bins 20 according to mass percentage. Fully stirring and mixing for 5 minutes, feeding the mixture into a spiral briquetting and forming machine 21, adopting a non-heating mode for spiral extrusion, adding a bonding agent into a feed inlet of the spiral extrusion and forming machine, wherein the bonding agent adopts ground oil sludge, the adding amount is 3 percent of the mass percent, gradually increasing the stress of a screw propeller in the propelling process, reaching the maximum at a die outlet, and extruding and forming the carbon rod 22, wherein the density of the carbon rod is 1.0-1.4 t/m³The outer diameter is 40mm, the inner diameter is 20mm, and the length is 35 mm. Namely, the specification and the size of the finished product are as follows: outer diameter X inner diameter X length is 40X25X35 (mm). The finished fuel carbon rods are pushed into an airing area 23-1 in a carbon rod airing greenhouse 23 by a trolley to be aired, the water content is controlled to be about 20%, and the finished fuel carbon rods enter a finished product stacking area 23-3 through an intermediate operation walkway 23-2.

Claims

1. A livestock and poultry manure cleaning, recycling and resource utilization facility comprises:

and (3) carrying out flushing sewage treatment on the ring fence after the excrement is dried and cleaned: namely a sewage adjusting tank, a sewage treatment unit, an anoxic tank containing fixed filler, suspended filler, a high-efficiency sedimentation tank, a water-fertilizer integrated unit, a rapid filter tank, a clear water and recycling tank, a biogas slurry transfer tank, a dissolved fertilizer preparation tank, a fertilizer solution feeding tank and a water-fertilizer integrated sprinkling irrigation unit;

and (3) dry manure cleaning treatment: a fresh excrement storage pool 1/3 conveying fresh excrement to the maggot culture greenhouse through a shaftless screw conveyor; 2/3 passing fresh feces through a mixing and homogenizing tank and a spiral extrusion separator, separating, and feeding the separated liquid dung to an upflow solid anaerobic reactor, a biogas liquid innocent treatment unit, a treatment tank containing soft filler and a treatment tank containing hard filler; and (3) removing the separated excrement residues into a forced ventilation static composting greenhouse, wherein the forced ventilation static composting greenhouse contains a fan room 17, forming a bulk organic fertilizer product by half, preparing fuel carbon rods by the other half in a material spreading area through a material spreading spiral conveyor, a horizontal double-ribbon mixer, an auxiliary material feeding bin and a spiral briquetting forming machine, and airing the carbon rods in the greenhouse to a finished product stacking area.

2. The facility for cleaning, recycling and treating livestock and poultry manure and recycling as claimed in claim 1, which is characterized in that: the treatment of the ring fence flushing sewage after the excrement is dried and cleaned comprises the following steps:

a sewage adjusting tank: the front end wall of the sewage adjusting tank is provided with a main water inlet pipe, and the rear end wall of the sewage adjusting tank is provided with a water outlet pipe;

a sewage treatment unit: the sewage treatment unit comprises an anoxic tank containing fixed filler, suspended filler, a high-efficiency sedimentation tank 2c and a sludge concentration tank;

fixing a filler anoxic tank: the front end tank wall of the fixed filler anoxic tank is provided with a fixed filler anoxic tank water inlet pipe, the diagonal line of the tank bottom layer is provided with the fixed filler anoxic tank, the convection propeller at the tank bottom is provided with fixed filler, the fixed filler is semi-soft filler, the size of a single sheet is 150mm, the distance between the sheets is 100mm, and the specific surface area is 6449m²/m³The height of the filler is 2500mm, and a water outlet hole for fixing the filler and oxygen-deficient pool wall is arranged 50mm below the water surface at the rear end of the pool wall;

a suspended filler aerobic tank: the bottom of the suspension filler aerobic tank is provided with a suspension material aerobic tank bottom aerator component, the aerator is a disc type rubber film microporous aerator, the specification is 215mm, and the air supply amount is 1.5-3.0 m³/(h, n), the service area is 0.35 to 0.6m²A/aThe oxygen utilization rate is more than or equal to 20 percent, the tank is internally provided with an upper steel wire net, a lower steel wire net, a compartment formed by the upper steel wire net and the lower steel wire net is filled with suspended fillers, the suspended fillers are sponge block spherical suspended fillers, the specification is phi 80mm, and the specific surface area is 800m²/m³(ii) a The filling rate of the filler is 40 percent; a water outlet hole at the lower part of the rear end tank wall of the suspended filler aerobic tank is arranged at the lower part of the rear end tank wall; an oxygen supply fan is arranged beside the suspension filler sedimentation tank;

the high-efficiency sedimentation tank is characterized in that an inclined pipe bracket and an inclined pipe are arranged in the high-efficiency sedimentation tank, the inclined pipe bracket is ∠ 60X6mm angle steel, the specification of the plastic inclined pipe is that d is 100mm, Q is 60 degrees, the length of the inclined pipe is 1000mm, the vertical sign is 867mm, the side wall is provided with a communicating hole communicated with the sludge concentration tank, and a water outlet pipe of the high-efficiency sedimentation tank is arranged below the designed water level of 60mm on the upper part of the tank wall at the rear end of the tank;

sludge concentration tank: a sludge discharge pipe 2d-1 at the bottom of the sludge concentration tank is arranged at the bottom of the sludge concentration tank;

liquid manure integration unit: the water and fertilizer integrated unit comprises a rapid filter tank, a clear water and recycling tank, a biogas slurry transfer tank, a dissolved fertilizer preparation tank, a fertilizer liquid feeding tank and a water and fertilizer integrated sprinkling irrigation unit;

a fast filter tank: a water inlet pipe of the rapid filter tank is arranged on the tank wall at the front end of the rapid filter tank without the water level below 100mm, a bottom filter plate and filter head assembly is arranged at the bottom of the rapid filter tank and extends upwards 300mm, the size of the filter plate is 980X980X100[ mm ] with the length X and the width X, the filter head is a mushroom-type short-handle filter head with the length 150mm and the distance 114mm, the material is ABS, a support layer is arranged upwards again, the support layer is 2-4mm high-quality coarse quartz sand with the thickness of 100mm, a composite filter material layer is arranged on the tank wall, the composite filter material is a shell filter material, artificial zeolite, quartz filter material and carborundum, the mass ratio of each of the four types of filter material is 25%, the total height of the filler is 1.2 m; the bottom of the tank wall at the rear end of the tank is provided with a water outlet hole at the bottom of the tank wall at the rear end of the rapid filter tank;

clear water and recycling pool: a sterilizer is arranged in the clean water and recycling tank, chlorine dioxide is adopted for sterilization, a recycling water pump is arranged at the bottom of the rear end of the tank, and the recycling water pump is a submerged pump;

biogas slurry transfer tank: a biogas slurry transfer tank liquid inlet pipe is arranged on the tank wall at the front end of the biogas slurry transfer tank, and a liquid outlet hole is formed in the tank side wall;

a fertilizer dissolving and preparing pool: the side wall of the fertilizer dissolving and preparing pool is provided with a fertilizer preparing liquid outlet hole;

fertilizer liquid feeding groove: a fertilizer liquid feeding pump and a liquid outlet pipe are arranged at the tail part of the fertilizer liquid feeding groove;

liquid manure integration sprinkling irrigation unit: the water and fertilizer integrated sprinkling irrigation unit comprises a water pressing branch pipe, a water pressing main pipe and a spray head.

3. The facility for cleaning, recycling and treating livestock and poultry manure and recycling as claimed in claim 1, which is characterized in that: the fresh excrement treatment of the dry and clear excrement is as follows:

1/3 fresh feces amount fly maggot breeding

Fresh excrement and urine reservoir: the front section of the fresh excrement storage pool is provided with a feeding pipe, and the rear end of the fresh excrement storage pool is provided with a discharging pipe;

shaftless screw conveyor: the shaftless screw conveyor comprises a tail bearing seat, a screw shaft, a head bearing seat, a driving device and the like;

the fly maggot breeding greenhouse: the fly maggot breeding greenhouse is of a steel-concrete structure and a transparent tile roof, the ceiling is provided with a ventilation device, convection ventilation is arranged on two sides of the ceiling, the net height of the greenhouse is 5.5m, the width of the greenhouse is 15m, and the length of the greenhouse is 90 m; the ground in the shed is provided with groups of fly maggot breeding plates, each group of breeding plates is 1.8m in width, 86m in length and 300mm in depth, each group of breeding plates is divided into a plurality of small plates along the length direction, and the length, the width and the thickness of each small plate are 1.8 X1.8X0.3m; a middle walkway is arranged in the middle of the greenhouse, and the width of the middle walkway is 1.8 m; the two sides are provided with operation walkways with the width of 1.2 m; both ends are provided with gates; a window is arranged at a position 1.2m above each fly maggot breeding base plate on the side walls of the two sides, and the windows are screen doors and screen windows;

2/3 forced ventilation of fresh excrement and static compost and biogas liquid utilization

Mixing and homogenizing the slurry in a tank: a feeding pipe of the mixing homogenizing pool is arranged at the inlet of the mixing homogenizing pool, and a vertical stirrer is arranged in the pool;

a screw extrusion separator: the spiral extrusion separator consists of a belt pulley, a differential mechanism, a bearing seat, an overflow plate, a rotary drum, a housing and an extrusion screw;

an upflow solid anaerobic reactor: the bottom of the upflow solid anaerobic reactor is provided with an upflow solid anaerobic reactor feeding pipe and a water distribution branch pipe; above is a solid bed; the inner surface of the upright section is provided with a water outlet channel and an outer liquid outlet pipe; the inner surface and the water outlet channel are provided with slag baffles at the same height; the upper part is a gas collection chamber, and the top part is a biogas pipe;

a biogas slurry innocent treatment unit: the biogas slurry innocent treatment unit comprises a soft filler treatment tank and a hard filler treatment tank;

a soft filler treatment tank: the front stone wall of the soft filler treatment pool is provided with a liquid inlet pipe of the soft filler treatment pool, the bottom of the pool is diagonally provided with a stirrer of the soft filler treatment pool, the length of a fiber bundle of the soft filler in the pool is 120mm, the space between the bundles is 120mm, the fiber quantity is 8000 fibers/bundle, and the theoretical specific surface area is 1235m²/m³The pool wall at the rear end of the pool is provided with a water outlet hole of the pool wall at the rear end of the soft material treatment pool; hard filler treatment tank: an upper reinforcing mesh and a lower reinforcing mesh in the hard filler treatment tank are arranged in the hard filler treatment tank, the reinforcing steel bar is phi 5mm, the mesh spacing is 40mm, the reinforcing mesh is filled with hard fillers for quality inspection, the hard fillers are blocky bamboo charcoal and coarse coal slag, the ratio is 1:1, the particle size is 50-60 mm, and the filling rate of the hard fillers is 50%; the top and the two sides in the tank are provided with an aerator and an aeration pipeline; the tail end of the tank is provided with a rigid filler treatment tank liquid outlet pipe which is connected with a biogas slurry transfer tank liquid inlet pipe;

forced ventilation static composting greenhouse: the forced ventilation static composting greenhouse is internally and functionally provided with a raw material area, a material mixing area and a stacking area respectively, wherein the bottom layer of the stacking area is provided with a bottom aeration pipe which is connected with a variable pressure air feeder and a forced ventilation pipe which are arranged in a ventilation machine room; a pile body area pile body is arranged on the bottom aeration pipe, the height of the pile body is 2m, the length of a single pile body is 8-10 m, the width of the single pile body is 6m, a plurality of pile body areas are arranged and combined, and the pile body areas comprise a material spreading area, a packaging area and a finished product warehouse; half of the organic fertilizer composted in the forced ventilation static composting greenhouse is bulk organic fertilizer; the other half is used for manufacturing a fuel carbon rod;

manufacturing fuel carbon rod by spreading the other half amount of material in material spreading area

Spreading a material screw conveyer: the spreading spiral conveyor is an upwards inclined spreading spiral conveyor;

horizontal double helical ribbon mixer: the horizontal double-helical ribbon mixer consists of a 3-cube U-shaped container, helical ribbon stirring blades and a transmission part;

and (3) feeding auxiliary materials into a bin: the auxiliary material feeding bin is made of steel, square and provided with a funnel; 5 sets of auxiliary material bins are respectively added with straw powder, firewood powder, crushed ingredients, splashing engine oil, clay and the like;

a spiral extrusion block forming machine: the spiral extrusion block forming machine comprises a material conveying inlet, a driving shaft, a screw rod propeller, a die and the like; the mold product is a molded fuel carbon rod;

and (3) airing the greenhouse by using a carbon rod: the carbon rod sunning big-arch shelter, the basic structure is: the steel-concrete structure, the transparent roof and the ceiling are provided with ventilation devices, and convection ventilation is arranged on two sides of the transparent roof and the ceiling; the greenhouse is divided into a drying area, a middle operation walkway and a finished product stacking area according to functions.