CN209797687U - Ecological purification unit of milk cow plant liquid dung - Google Patents
Ecological purification unit of milk cow plant liquid dung Download PDFInfo
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- CN209797687U CN209797687U CN201822092643.XU CN201822092643U CN209797687U CN 209797687 U CN209797687 U CN 209797687U CN 201822092643 U CN201822092643 U CN 201822092643U CN 209797687 U CN209797687 U CN 209797687U
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Abstract
the utility model discloses an ecological purification unit of milk cow plant liquid dung relates to livestock farm sewage treatment technical field. The treatment device comprises a grid collecting well, a mechanical solid-liquid separator, a manure hydrolysis acidification tank, a pulse external circulation UASB anaerobic tower, an SBR biological aerobic tank, an aquatic plant ecological water culture tank and an aquatic plant ecological permeable tank which are sequentially connected through pipelines. The utility model discloses make full use of aquatic plant root system and active microbial flora's absorption and the organic matter that holds back in the degradation sewage, ammonia nitrogen, phosphorus etc. reach the purification purpose, also provide the nutrient of growth for the water planting plant, have the growth that promotes and improve aquatic plant, breed and the unique effect of handling sewage, and replaced the ammonia nitrogen desorption device in the sewage treatment facility of traditional plant, phosphorus removal device and sedimentation tank, saved the investment of breeding sewage treatment engineering construction and reduced occupation and reduction running cost of land area.
Description
Technical Field
The utility model relates to a livestock farm sewage treatment technical field, concretely relates to-a milk cow farm liquid dung ecological purification unit.
background
The development of animal husbandry in China and the large-scale and intensive development of animal husbandry have become a necessary trend, large-scale farms have higher livestock and poultry raising technologies, unified management, cost reduction and economic benefit improvement, but the problem of environmental pollution caused by the discharge of a large amount of concentrated fecal sewage is more and more serious, and the fecal and urine excreta and the waste water of the livestock and poultry breeding industry contain a large amount of organic matters, ammonia nitrogen, phosphorus, suspended matters and pathogenic bacteria and generate stink, so that the environmental quality is greatly influenced, and the management is urgently needed.
Because the sewage treatment of the livestock farm is different from the industrial sewage treatment, the economic benefit of the livestock farm is not high, the investment of the sewage treatment investment amount is limited, the investment is less, and the treatment effect is good. It is necessary to design a new process technology which can recover part of the resources and has certain economic benefits. However, the following conventional treatment methods and processes are adopted for sewage treatment in livestock farms: (1) an animal farm-marsh- (grass, forest, vegetable) cultivation treatment mode; (2) a combined stable pond culture sewage treatment process; (3) UASB/SBR/cultivation sewage treatment process. However, the traditional anaerobic and aerobic biochemical treatment process has the advantage of high organic matter removal efficiency, but the removal efficiency is not high for treating the fecal sewage containing high ammonia nitrogen and high phosphorus. How to clear up and purify the livestock-raising sewage rich in ammonia nitrogen and phosphorus now develops a cow farm liquid dung ecological purification treatment device on the basis of UASB/SBR/biochemical treatment according to the characteristics of the sewage quality of the livestock farm, and the sewage is treated and purified by combining organisms and ecological plants.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the ecological purification unit of cow farm liquid dung is provided to the not enough that exists to prior art, the utility model discloses the technical facility is handled to traditional livestock farm liquid dung of optimization, and the difficult problem of getting rid of is difficult to high ammonia nitrogen, high phosphorus in the liquid dung of livestock farm at present effectively to the advantage of make full use of biological reaction and ecological effect, and effectual purification sewage obtains the income of aquatic species plant (leaf vegetables), realizes ecological cycle recycle.
In order to achieve the above object, the present invention is implemented by the following technical solutions: the ecological purification treatment device for the dung in the dairy farm comprises a grid collecting well, a mechanical solid-liquid separator, a dung hydrolysis acidification pool, a pulse external circulation UASB anaerobic tower, an SBR biological aerobic pool, an aquatic plant ecological water culture tank and an aquatic plant ecological permeable tank which are sequentially connected through pipelines.
And a water outlet sampling well is arranged on a water outlet end pipeline of the aquatic plant ecological permeable tank.
The pipeline is an ABS pipe.
Preferably, the aquatic plant ecological water culture tank comprises an activated sludge fixed bed, an activated sludge suspended bed and a plant cultivation floating bed which are arranged in the tank body from bottom to top. The propagation and growth of plant roots and the biological flora formed on the surface of the plant roots are utilized to absorb and degrade organic matters in water; a large amount of nitrogen and phosphorus element fertilizers required by the growth period of the sewage are utilized, so that ammonia nitrogen and phosphorus in the wastewater are removed, and the degradation treatment of the sewage is realized.
Preferably, the aquatic plant ecological permeable tank comprises a tank body, biological cenobium attachment material arranged in the tank body and aquatic plants planted in the biological cenobium attachment material, wherein the biological cenobium attachment material is a matrix containing active microbial flora, and the matrix comprises materials rich in Fe, C, Ca and Mn elements and zeolite.
Preferably, the inlet end of the SBR biological aerobic tank is provided with a sedimentation tank, the sedimentation tank is connected with the inlet of the mechanical solid-liquid separator through a pump, and sludge after biochemical precipitation is pumped back to the mechanical solid-liquid separator through the pump for solid-liquid separation again.
The grid well is a conventional grid well of a steel-concrete structure. The manure hydrolysis acidification tank is a biological reaction tank with a conventional steel-concrete structure, and sewage passes through the manure hydrolysis acidification tank and is beneficial to improving the biological sewage treatment efficiency of the subsequent pulse external circulation UASB anaerobic tower and the SBR biological aerobic tank. The pulse external circulation UASB anaerobic tower is conventional biological reaction vessel equipment, such as a conventional commercially available External Circulation Anaerobic Reactor (ECAR), which is a high-speed anaerobic reactor for treating wastewater by a biological method; the SBR biological aerobic tank is a conventional biological reaction tank; the pulse external circulation UASB anaerobic tower and the SBR biological aerobic tank are core reactors for biochemical treatment. The activated sludge suspension bed is a conventional sludge suspension bed, and the plant cultivation floating bed is a conventional commercially available aquatic plant cultivation floating bed.
During operation, the liquid dung is collected by a grating, impurities such as various leaves, branches, crude fibers and the like scattered in the liquid dung are roughly filtered, isolated and removed, the liquid dung is subjected to solid-liquid separation by a mechanical solid-liquid separator, the separated solid residues are used for compost fermentation to produce organic fertilizers, the obtained sewage flows to a liquid dung hydrolytic acidification tank, hydrolytic acidification is a complex microbial process, organic matters are taken as nutrient substances to carry out biological metabolism through the action of facultative bacteria, organic matters in the sewage and the like are decomposed into monosaccharide, amino acid, fatty phthalein, glycerol and other easily decomposed small molecular substances, and the decomposed small molecular substances are lifted to a pulse external circulation UASB anaerobic tower and an SBR biological aerobic tank through a pump to be subjected to biochemical treatment in sequence. Sewage is pumped from the bottom of a pulse external circulation UASB anaerobic tower and is fully mixed with anaerobic granular sludge in the pulse external circulation UASB anaerobic tower, most organic substances are converted into methane, the methane, water and sludge are well separated by a gas-liquid separation module, the sewage flows into a subsequent SBR biological aerobic tank through a water outlet pipe, the anaerobic sludge enters a sedimentation tank, the sludge after sedimentation and biochemistry is pumped back to a mechanical solid-liquid separator by a pump to carry out solid-liquid separation again, and the organic substances, ammonia nitrogen and phosphorus in the sewage are removed by using the activated sludge of biological nitrobacteria and denitrifying bacteria under the environment with oxygenation and aeration. After entering the aquatic plant ecological water culture tank, the sewage stays for a certain time after being filled from the inlet and then is discharged from the outlet, and organic matters in the water are absorbed and degraded by nitrifying bacteria, denitrifying bacteria, plant propagation and growth root systems and biological flora formed on the surface of the root systems in the aquatic plant ecological water culture tank; and the ammonia nitrogen and phosphorus element fertilizers required to be consumed in the growth period are utilized to absorb and remove the ammonia nitrogen and phosphorus in the sewage, so that the water quality is purified. After entering the aquatic plant ecological permeable tank, the sewage stays for a certain time after being filled in the inlet and then is discharged from the outlet, flows out after being absorbed and degraded by biological bacteria colony attaching materials and plant root systems under hydraulic push flow, and is directly metabolized and degraded by utilizing permeation and filtration effects, adsorption and absorption of plant root system biomembranes and various active microbial floras, so that organic substances, suspended matters, ammonia nitrogen, phosphorus, organic substances and the like in the sewage are removed, and the water quality is further purified.
The utility model discloses make full use of biological UASB anaerobic technology and the biological aerobic biochemical treatment technique of SBR, combine the active biology in the ecological water planting groove of aquatic plant and the ecological permeable groove of plant, biochemistry and ecological combination, scientific application anaerobism and the biochemical treatment's of aerobic advantage with utilize ecological water planting groove, various active microbial flora in the ecological permeable inslot and the flourishing root system of vegetation, and the biological fungus group of its root system surface formation, absorb and hold back the organic substance in the degradation sewage, ammonia nitrogen, phosphorus etc. reach water purification.
The device provided by the utility model not only has the efficiency of biological and ecological treatment purification plant liquid dung, and simultaneously, make full use of aquatic plant root system and active microbial flora's absorption and the organic matter of holding back in the degradation sewage, ammonia nitrogen, phosphorus etc., reach the purification purpose, also provide the nutrient of growth for the water planting plant, have the growth that promotes and improve aquatic plant, breed and the unique effect of handling sewage, and replaced the ammonia nitrogen desorption device in the sewage treatment facility of traditional plant, phosphorus removal device and sedimentation tank, the investment of having saved the construction of breed sewage treatment engineering and the occupation and the reduction running cost that reduce land area.
(1) The sewage treatment and drainage of the utility model reach the national Standard of discharge Standard of pollutants for livestock and poultry Breeding (GB 18296-2001).
(2) The aquatic plant ecological water culture tank and the aquatic plant ecological permeable tank treatment system in the ecological treatment section utilize the nitrogen-phosphorus element fertilizer and other effects required by the plant growth period, and effectively solve the problem of removing ammonia nitrogen and phosphorus in the existing manure water treatment process in the farm. The ecological treatment function of the sewage treatment device has the effect of obviously removing ammonia nitrogen and phosphorus in the sewage.
(3) The ecological water culture tank of the aquatic plant and the ecological permeable tank of the aquatic plant have the obvious effects of treating ammonia nitrogen and phosphorus in sewage, and simultaneously obtain the benefits of water culture plants (such as vegetable leaves) in different seasons, thereby realizing ecological recycling.
(4) The tank type organisms and the ecological reactor designed by utilizing hydraulic plug flow dynamics are integrated with the traditional anaerobic and aerobic biochemical tanks, the sedimentation tank, the artificial wetland organisms and other process technical units, so that the investment of sewage treatment engineering construction is saved, the operation cost is reduced, and the land area occupation is reduced.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments:
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in the figure, the ecological dung purification treatment device for the dairy farm comprises a grid collecting well 1, a mechanical solid-liquid separator 2, a dung hydrolysis acidification tank 3, a pulse external circulation UASB anaerobic tower 4, an SBR biological aerobic tank 5, an aquatic plant ecological water culture tank 6 and an aquatic plant ecological permeable tank 7 which are sequentially connected through pipelines; an effluent sampling well 8 is arranged on the water outlet end pipeline of the aquatic plant ecological permeable tank 7; the pipeline is an ABS pipe.
Preferably, the aquatic plant ecological water culture tank 6 comprises an activated sludge fixed bed 61, an activated sludge suspended bed 62 and a plant cultivation floating bed 63 which are arranged in the tank body from bottom to top. The propagation and growth of plant roots and the biological flora formed on the surface of the plant roots are utilized to absorb and degrade organic matters in water; a large amount of nitrogen and phosphorus element fertilizers required by the growth period of the sewage are utilized, so that ammonia nitrogen and phosphorus in the wastewater are removed, and the degradation treatment of the sewage is realized.
Preferably, the aquatic plant eco-permeable tank 7 includes a tank body, a biological cenobium attachment material 71 disposed in the tank body, and an aquatic plant 72 planted in the biological cenobium attachment material, wherein the biological cenobium attachment material 71 is a matrix containing an active microbial flora, and the matrix includes a material rich in Fe, C, Ca, Mn elements and zeolite.
Preferably, a sedimentation tank 9 is arranged at the inlet end of the SBR biological aerobic tank 5, the sedimentation tank 9 is connected with the inlet of the mechanical solid-liquid separator 2 through a pump, and sludge after biochemical precipitation is pumped back to the mechanical solid-liquid separator through the pump for solid-liquid separation again.
During operation, excrement water passes through the grid collecting well 1, impurities such as various leaves, branches, crude fibers and the like scattered in the excrement water are roughly filtered, isolated and removed, the excrement water is subjected to solid-liquid separation through the mechanical solid-liquid separator 2, separated solid residues are used for compost fermentation to produce organic fertilizers, obtained sewage flows to the excrement hydrolytic acidification tank 3, hydrolytic acidification is a complex microbial process, organic matters are used as nutrient substances to perform biological metabolism through the action of facultative bacteria, organic matters in the sewage and the like are decomposed into monosaccharide, amino acid, fatty phthalein, glycerol and other easily decomposed small molecular substances, and the decomposed small molecular substances are lifted to the pulse external circulation UASB anaerobic tower 4 and the SBR biological aerobic tank 5 through a pump to be subjected to biochemical treatment in sequence. Sewage is pumped from the bottom of a pulse external circulation UASB anaerobic tower 4 and is fully mixed with anaerobic granular sludge in the pulse external circulation UASB anaerobic tower 4, most organic substances are converted into methane, the methane, water and sludge are well separated by a gas-liquid separation module, the sewage flows into a subsequent SBR biological aerobic tank 5 through a water outlet pipe, the anaerobic sludge enters a sedimentation tank, the sludge after sedimentation and biochemistry is pumped back to a mechanical solid-liquid separator by a pump to carry out solid-liquid separation again, and the sewage entering the SBR biological aerobic tank 5 is subjected to removal of organic substances, ammonia nitrogen and phosphorus in the sewage by using activated sludge of biological nitrobacteria and denitrifying bacteria under the environment of oxygenation and aeration. After entering the aquatic plant ecological water culture tank 6, the sewage stays for a certain time after being filled from the inlet and then is discharged from the outlet, and organic matters in the water are absorbed and degraded by nitrifying bacteria, denitrifying bacteria, plant propagation and growth root systems and biological flora formed on the surface of the root systems in the aquatic plant ecological water culture tank 6; and the ammonia nitrogen and phosphorus element fertilizers required to be consumed in the growth period are utilized to absorb and remove the ammonia nitrogen and phosphorus in the sewage, so that the water quality is purified. After entering the aquatic plant ecological permeable tank 7, the sewage stays for a certain time after being filled from the inlet and then is discharged from the outlet, flows out after being absorbed and degraded by biological bacteria colony attaching materials and plant roots under hydraulic plug flow, and is directly metabolized and degraded by utilizing permeation and filtration effects, adsorption and absorption of plant root biomembranes and various active microbial floras, so that organic substances, suspended matters, ammonia nitrogen, phosphorus, organic substances and the like in the sewage are removed, and the water quality is further purified.
The utility model discloses use in the ecological purification engineering of ternary dairy cow plant liquid dung in Liuzhou city of Guangxi, from the situation of its operation and the effect of operation, prove that this technique has:
(1) The sewage treatment and drainage can reach the national Standard of discharge Standard of pollutants for livestock and poultry Breeding (GB 18296-2001).
(2) The aquatic plant ecological water culture tank and the aquatic plant ecological permeable tank treatment system in the ecological treatment section utilize the nitrogen-phosphorus element fertilizer and other effects required by the plant growth period, and effectively solve the problem of removing ammonia nitrogen and phosphorus in the existing manure water treatment process in the farm. The ecological treatment function of the sewage treatment device has the effect of obviously removing ammonia nitrogen and phosphorus in the sewage.
(3) The ecological water culture tank of the aquatic plant and the ecological permeable tank of the aquatic plant have the obvious effects of treating ammonia nitrogen and phosphorus in sewage, and simultaneously obtain the benefits of water culture plants (such as vegetable leaves) in different seasons, thereby realizing ecological recycling.
(4) The tank type organisms and the ecological reactor designed by utilizing hydraulic plug flow dynamics are integrated with the traditional anaerobic and aerobic biochemical tanks, the sedimentation tank, the artificial wetland organisms and other process technical units, so that the investment of sewage treatment engineering construction is saved, the operation cost is reduced, and the land area occupation is reduced.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an ecological purification unit of milk cow plant liquid dung which characterized in that: comprises a grid collecting well, a mechanical solid-liquid separator, a manure hydrolysis acidification pool, a pulse external circulation UASB anaerobic tower, an SBR biological aerobic pool, an aquatic plant ecological water culture tank and an aquatic plant ecological permeable tank which are connected in sequence through pipelines.
2. The ecological purification treatment device of cow farm liquid dung according to claim 1, characterized in that: and a water outlet sampling well is arranged on a water outlet end pipeline of the aquatic plant ecological permeable tank.
3. The ecological purification treatment device of cow farm liquid dung according to claim 1, characterized in that: the pipeline is an ABS pipe.
4. The ecological purification treatment device of cow farm liquid dung according to claim 1, characterized in that: the aquatic plant ecological water culture tank comprises an activated sludge fixed bed, an activated sludge suspended bed and a plant cultivation floating bed which are arranged in a tank body from bottom to top.
5. The ecological purification treatment device of cow farm liquid dung according to claim 1, characterized in that: the aquatic plant ecological permeable tank comprises a tank body, a biological bacteria colony attaching material arranged in the tank body and an aquatic plant planted in the biological bacteria colony attaching material, wherein the biological bacteria colony attaching material is a matrix containing active microbial flora, and the matrix comprises a material rich in Fe, C, Ca, Mn elements and zeolite.
6. The ecological purification treatment device of cow farm liquid dung according to claim 1, characterized in that: and the inlet end of the SBR biological aerobic tank is provided with a sedimentation tank, and the sedimentation tank is connected with the inlet of the mechanical solid-liquid separator through a pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822092643.XU CN209797687U (en) | 2018-12-13 | 2018-12-13 | Ecological purification unit of milk cow plant liquid dung |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822092643.XU CN209797687U (en) | 2018-12-13 | 2018-12-13 | Ecological purification unit of milk cow plant liquid dung |
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| CN209797687U true CN209797687U (en) | 2019-12-17 |
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| CN201822092643.XU Expired - Fee Related CN209797687U (en) | 2018-12-13 | 2018-12-13 | Ecological purification unit of milk cow plant liquid dung |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112279458A (en) * | 2020-10-15 | 2021-01-29 | 广州市龙运博环保技术有限公司 | Method for treating feces in farm |
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2018
- 2018-12-13 CN CN201822092643.XU patent/CN209797687U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112279458A (en) * | 2020-10-15 | 2021-01-29 | 广州市龙运博环保技术有限公司 | Method for treating feces in farm |
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Granted publication date: 20191217 Termination date: 20211213 |