CN102351384B - Livestock and poultry wastewater treatment device - Google Patents
Livestock and poultry wastewater treatment device Download PDFInfo
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- CN102351384B CN102351384B CN 201110269440 CN201110269440A CN102351384B CN 102351384 B CN102351384 B CN 102351384B CN 201110269440 CN201110269440 CN 201110269440 CN 201110269440 A CN201110269440 A CN 201110269440A CN 102351384 B CN102351384 B CN 102351384B
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Abstract
The utility model discloses a livestock and poultry wastewater treatment device and relates to livestock and poultry wastewater treatment. The livestock and poultry wastewater treatment device is provided with a solid-liquid separation system, an immobilized microorganism baffling biological filter, an immobilized microorganism energy-saving aerated biological filter and an air blower, wherein the solid-liquid separation system is provided with a solid-liquid separation system water inlet ditch and a solid-liquid separation water tank; an outlet of a solid-liquid separation system drainage ditch is connected with an inlet of an immobilized microorganism baffling biological filter water inlet flow guide pipe of the immobilized microorganism baffling biological filter; the immobilized microorganism baffling biological filter is provided with the immobilized microorganism baffling biological filter water inlet flow guide pipe, a steel pipe, a fish wire rope, a microbial carrier, a microbial strain, a sludge discharge pipe and an immobilized microorganism baffling biological filter water outlet; and the immobilized microorganism energy-saving aerated biological filter is provided with a steel pipe, a brick and concrete column, a fish wire rope, a microbial carrier, a microbial strain, an immobilized microorganism energy-saving aerated biological filter water inlet, an aeration dish, an air blowing pipeline and an immobilized microorganism energy-saving aerated biological filter water outlet.
Description
Technical field
The present invention relates to a kind of livestock breeding wastewater and process, especially relate to a kind of waste water of livestock poultry treatment unit.
Background technology
At present, the treatment system integrated technology up to standard of known livestock breeding wastewater fails to satisfy livestock and poultry Environmental Protection Market actual needs, has that cost of investment and working cost are high, a complicated operation, the problems such as maintenance capacity is large, day-to-day operation is unstable and outlet effect is poor.
Chinese patent CN101293697 discloses a kind of sewage of livestock and poultry cultivation generation and biological treatment device and the treatment process of waste gas, the exhaust input tube road of this device is located at the bottom of a body, have pore on the tube wall on exhaust input tube road, bottom, above the exhaust input tube road of bed body bottom level section, be provided with the filter bed packing layer, above the filter bed packing layer, be provided with the sewage spray pipeline, be provided with sewage discharge pipeline in the bottom of bed body.Method is: the wastewater pollutants that 1, livestock and poultry cultivation is produced carries out preliminary sedimentation, flotation separation.2, with gas sampling and input processing device.3, remove repugnant substance in the gas.4, sewage is discharged after absorption, degradation treatment.This invention is high to the clearance of sewage and waste gas, has reduced the impact on ecotope.
Chinese patent CN1765841 discloses and a kind of the livestock and poultry fecaluria is carried out harmless treatment, and generate the microbial fertilizer used in a kind of used for aquiculture improver of water quality or the plant husbandry or the method for plant-growth regulator, realize by the following method: 1, fecaluria is separated, ferment after the ight soil drying, the ight soil after the fermentation can be used for doing in the plant husbandry bio-fertilizer.2, the sewage with urine and other cultivation generations pumps into tank, adds sour sterilization and is hydrolyzed some macromolecular substance, after handling pH is adjusted to neutrality.3, then this sewage is pumped into the aeration tank, the access genus bacillus, inflation is decomposed into some macromolecular substance and transfers behind the small-molecule substance pH for neutral.4, the sewage with hydrolysis pumps into vertical photosynthetic bacterial culture apparatus, and the access photosynthetic bacterium is cultivated, and cultured photosynthetic bacterium is made photosynthetic bacteria preparation, and this preparation can be used in aquaculture regulating water quality or the plant husbandry as plant-growth regulator.
Summary of the invention
The object of the invention is to the cost of investment that the treatment system integrated technology up to standard for existing livestock breeding wastewater exists and the problems such as working cost is high, complicated operation, maintenance capacity is large, day-to-day operation is unstable and outlet effect is poor, provide a kind of and not only have reduced investment, running cost is low, simple to operate, maintenance capacity is less, day-to-day operation is stable, effluent quality is good, do not produce the advantages such as secondary pollution, and can also create the waste water of livestock poultry treatment unit of certain economic benefit.
The present invention is provided with solid-liquid separation system, immobilized microorganism baffling biological filter, immobilized microorganism energy-saving and aerating biological filter and gas blower;
Described solid-liquid separation system is provided with solid-liquid separation system inlet channel and solid-liquid separation pond; Described solid-liquid separation system inlet channel is provided with the solid-liquid separation water inlet switch, the solid-liquid separation pond is provided with solid-liquid separation system pond thrust-augmenting nozzle and solid-liquid separation tank drain pipe, be provided with the solid-liquid separation system waterways in the solid-liquid separation basin bottom, be provided with gate in the solid-liquid separation system waterways, described solid-liquid separation system draining ditch outlet connects the import of the immobilized microorganism baffling biological filter water inlet thrust-augmenting nozzle of immobilized microorganism baffling biological filter by pipeline;
Described immobilized microorganism baffling biological filter is provided with immobilized microorganism baffling biological filter water inlet thrust-augmenting nozzle, steel pipe, fish silk rope, microbe carrier, microbial strains, shore pipe and immobilized microorganism baffling biological filter water outlet; The import of described immobilized microorganism baffling biological filter water inlet thrust-augmenting nozzle connects solid-liquid separation system draining ditch outlet by pipeline, and described immobilized microorganism baffling biological filter water inlet thrust-augmenting nozzle, steel pipe, fish silk rope, microbe carrier and microbial strains are located at respectively on the pool wall of immobilized microorganism baffling biological filter; Shore pipe is located on the sidewall of immobilized microorganism baffling biological filter; The immobilized microorganism baffling biological filter water outlet connects the immobilized microorganism energy-saving and aerating biological filter water-in of immobilized microorganism energy-saving and aerating biological filter by pipeline;
Described immobilized microorganism energy-saving and aerating biological filter is provided with steel pipe, the mixed pillar of brick, fish silk rope, microbe carrier, microbial strains, immobilized microorganism energy-saving and aerating biological filter water-in, aeration plate, blowing line and immobilized microorganism energy-saving and aerating biological filter water outlet; Described steel pipe, the mixed pillar of brick, fish silk rope, microbe carrier and microbial strains are located at respectively on the pool wall of immobilized microorganism energy-saving and aerating biological filter; Described blowing line is located at bottom, immobilized microorganism energy-saving and aerating biological filter; Described aeration plate is located on the blowing line, and immobilized microorganism energy-saving and aerating biological filter water outlet is located at immobilized microorganism energy-saving and aerating biological filter sidewall; Blowing line is connected with gas blower.
The bottom in described solid-liquid separation pond preferably is provided with slope, solid-liquid separation pond.
The present invention is by the water quality analysis to livestock and poultry sewage, livestock and poultry sewage is mainly by feces of livestock and poultry, urine, the fermentation of flushing waste water three parts forms, alleviate the difficulty of livestock and poultry sewage disposal, key is to carry out solid (feces of livestock and poultry) and liquid (urine, wash-down water) separation, before fermentation, reduce the concentration of livestock and poultry sewage more than 70%, therefore first link will be carried out solid-liquid separation, and wheel streaming solid-liquid separation system is according to the characteristics of the distinctive sediment composition of livestock and poultry sewage suspended solid and scum silica frost composition, by building parallel detritus pool and every slag bath, difference separating sediment composition and scum silica frost composition, because wheel streaming solid-liquid separation system does not need mechanical means and interpolation medicament, therefore investment cost is lower, and working cost is low, and is easy and simple to handle, can separate suspended solid 75% or more so fine the first link (solid-liquid separation) that has solved again the livestock and poultry sewage through measuring and calculating wheel streaming solid-liquid separation system very cheaply; The livestock and poultry sewage ammonia nitrogen, the desired values such as total phosphorus are high, it is the routine techniques hard degradation, and anaerobic stages is crossed long time treatment, can increase the ammonia nitrogen index again, increase especially the intractability of sewage, and immobilized microorganism baffling biological filter (baffling biochemistry pool) just in time can be accepted the processing to the aeration biochemical stage of solid-liquid separation or anaerobic stages, the baffling biochemistry pool adopts immobilized microorganism technique and baffling to stir technology, fully contacting after stable microorganism species and current stir, accelerated the purification efficiency of microorganism, and solved well baffling biochemistry pool mud alluvial, stop up, the problems such as bacterial classification quantity is few, and microbe carrier has adhered to a large amount of anerobes, amphimicrobe, the floras such as aerobic bacteria and anti-digestion bacterium, can well reduce the total phosphorus of livestock and poultry sewage, the difficult degradation indexs such as ammonia nitrogen, and the baffling biochemistry pool has been accepted the microorganism transition of anaerobic stages and aerobic stage just as oxygen depletion system; After wheel streaming solid-liquid separation system and immobilized microorganism baffling biological filter processing, the indices of livestock and poultry sewage all drops in the concentration range of aerobic stage the best (such as CODcr less than 1500mg/L), but ammonia nitrogen, the difficult degradation indexs such as total phosphorus are still very high, conventional aeration and biological is processed according to industrial model and is added a large amount of sodium hydroxide or lime powder, and select high-power air blast facility, cause the aerobic treatment high cost of livestock and poultry sewage and be difficult to carry out or move, and immobilized microorganism energy-saving and aerating biological filter (energy-conservation biochemistry pool) just in time solved the deficiency of conventional aeration biochemical technology, energy-conservation biochemistry pool has passed on the advantage part of immobilized microorganism technique and aeration and biological pool technology, rational architectural mode is proposed especially (such as long 10m, wide 5.6m, the mixed half buried pond of the brick of available depth 2.4m), the anchor skeleton of material benefit is (such as the pre-buried galvanized pipe frame skeleton that fixes, do support with fish silk rope), rational deployment aeration plate and amount vector etc., also rejected the dosing facility of routine biochemistry technology etc., when guaranteeing biochemical effect, it is lower that energy-conservation biochemistry pool is compared the investment of routine biochemistry pond, operation more economizes, more convenient operation.Through the processing of three link, guarantee the processing up to standard of livestock and poultry sewage, its leading indicator such as CODcr are less than 130mg/L, ammonia nitrogen is less than 20mg/L, total phosphorus is less than 4mg/L, and SS meets the emission request of " Pollution from livestock and poultry thing emission standard " GB2001-18596 fully less than 80mg/L etc.Waste water of livestock poultry each link for the treatment of system integrated technology up to standard is lower, easy and simple to handle than routine techniques reduced investment, working cost, therefore total environmental protection drops into low, operation province, simple to operate, adopt the high-quality microbial strains, can not produce sludge bulking, the secondary pollutions such as stench, and because wheel streaming solid-liquid separation system has been isolated most of feces of livestock and poultry, also increased certain income.Waste water of livestock poultry each part for the treatment of system integrated technology up to standard can be taken use apart in addition, is used for transforming or the conventional livestock and poultry Sewage treatment systems of grafting.
The invention has the beneficial effects as follows, when can effectively solve the processing up to standard of livestock and poultry sewage, its cost of investment is low, and working cost is low, and regular job, maintenance simply do not produce secondary pollution, can also produce certain economic benefit.
Description of drawings
Fig. 1 is that the structure of the embodiment of the invention forms schematic diagram.
Fig. 2 is that the solid-liquid separation system cross-section structure of the embodiment of the invention forms schematic diagram.
Fig. 3 is that the immobilized microorganism baffling biological filter cross-section structure of the embodiment of the invention forms schematic diagram.
In Fig. 1～3, respectively be labeled as: 1, solid-liquid separation system, 2, immobilized microorganism baffling biological filter, 3, immobilized microorganism energy-saving and aerating biological filter, 14, solid-liquid separation system inlet channel, 15, solid-liquid separation water inlet switch, 16, the solid-liquid separation pond, 17, slope, solid-liquid separation pond, 18, solid-liquid separation system pond thrust-augmenting nozzle, 19, solid-liquid separation tank drain pipe, 110, gate, 111, the solid-liquid separation system waterways; 212, immobilized microorganism baffling biological filter water inlet thrust-augmenting nozzle, 213, steel pipe, 214, the mixed pillar of brick, 215, fish silk rope, 216, microbe carrier, 217, microbial strains, 218, shore pipe, 219, the immobilized microorganism baffling biological filter water outlet; 320, immobilized microorganism energy-saving and aerating biological filter water-in, 321, aeration plate, 322, blowing line, 323, gas blower, 324, immobilized microorganism energy-saving and aerating biological filter water outlet, 125, pipeline, 225 pipelines.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Referring to Fig. 1～3, the embodiment of the invention is provided with solid-liquid separation system 1, immobilized microorganism baffling biological filter 2, immobilized microorganism energy-saving and aerating biological filter 3 and gas blower 323;
Described solid-liquid separation system 1 is provided with solid-liquid separation system inlet channel 14 and solid-liquid separation pond 16; Described solid-liquid separation system inlet channel 14 is provided with solid-liquid separation water inlet switch 15, solid-liquid separation pond 16 is provided with solid-liquid separation system pond thrust-augmenting nozzle 18 and solid-liquid separation tank drain pipe 19, be provided with solid-liquid separation system waterways 111 in 16 bottoms, solid-liquid separation pond, be provided with gate 110 in solid-liquid separation system waterways 111, the outlet in described solid-liquid separation system waterways 111 connects the import of the immobilized microorganism baffling biological filter water inlet thrust-augmenting nozzle 212 of immobilized microorganism baffling biological filter 2 by pipeline 125;
Described immobilized microorganism baffling biological filter 2 is provided with immobilized microorganism baffling biological filter water inlet thrust-augmenting nozzle 212, steel pipe 213, fish silk rope 215, microbe carrier 216, microbial strains 217, shore pipe 218 and immobilized microorganism baffling biological filter water outlet 219; The import of described immobilized microorganism baffling biological filter water inlet thrust-augmenting nozzle 212 connects the outlet in solid-liquid separation system waterways 111 by pipeline 225, described immobilized microorganism baffling biological filter water inlet thrust-augmenting nozzle 212, steel pipe 213, fish silk rope 215, microbe carrier 216 and microbial strains 217 are located at respectively on the pool wall of immobilized microorganism baffling biological filter 2; Shore pipe 218 is located on the sidewall of immobilized microorganism baffling biological filter 2; Immobilized microorganism baffling biological filter water outlet 219 connects the immobilized microorganism energy-saving and aerating biological filter water-in 320 of immobilized microorganism energy-saving and aerating biological filter 3 by pipeline 225;
Described immobilized microorganism energy-saving and aerating biological filter 3 is provided with steel pipe 313, the mixed pillar 314 of brick, fish silk rope 315, microbe carrier 316, microbial strains 317, immobilized microorganism energy-saving and aerating biological filter water-in 320, aeration plate 321, blowing line 322 and immobilized microorganism energy-saving and aerating biological filter water outlet 324; Described steel pipe 313, the mixed pillar 314 of brick, fish silk rope 315, microbe carrier 316 and microbial strains 317 are located at respectively on the pool wall of immobilized microorganism energy-saving and aerating biological filter 3; Described blowing line 322 is located at 3 bottoms, immobilized microorganism energy-saving and aerating biological filter; Described aeration plate 321 is located on the blowing line 322, and immobilized microorganism energy-saving and aerating biological filter water outlet 324 is located at immobilized microorganism energy-saving and aerating biological filter 3 sidewalls; Blowing line 322 is connected with gas blower 323.
The bottom in described solid-liquid separation pond 16 preferably is provided with slope, solid-liquid separation pond 17.
Below provide concrete treatment process of the present invention:
Livestock and poultry sewage at first carries out solid-liquid separation through solid-liquid separation system, build 2 cover solid-liquid separation systems, one cover solid-liquid separation system is used for sediment, one cover is used for every slag, build up rear livestock and poultry sewage (former water) and flow to inlet channel, in opening inlet channel, close other water inlet pipe switches of inlet channel in one of them water inlet pipe switch, former water enters the pond, water every the pond of slag system can flow to other ponds by thrust-augmenting nozzle, the water that enters the pond can enter the waterways by drainage switch, water inlet is until the pond full load, open the water inlet pipe in other ponds when closing again the pond water inlet pipe, the water of closing pond behind the water inlet switch oozes out from the gate bottom by slope, solid-liquid separation pond, clears up away until open the sluices after the suspended substance mummification, then takes turns successively flow operation.Sewage enters immobilized microorganism baffling biological filter after solid-liquid system separates, immobilized microorganism baffling biological filter is comprised of several ponds, can play sewage fully stops and the whole effect of stirring in pond, when building the pond, reserved water inlet pipe, rising pipe and shore pipe, and 1.5 meters at two-layer interval up and down, between left and right every 2 meters pre-buried good steel pipes, after build up in the pond, load onto into the water thrust-augmenting nozzle at the water inlet pipe position, load onto the spoil disposal thrust-augmenting nozzle at the shore pipe place, be uniformly distributed with fish silk rope at steel pipe, after the spatial frame that forms with steel pipe and fish silk rope forms, load onto microbe carrier at anchor, then begin the pond is intake, until water level in water pool when reaching the rising pipe position, is thrown in microbial strains, finally formed immobilized microorganism baffling biological filter.Owing to having utilized microbial immobilized technology, can be attached to behind the microbial reproduction on the microbe carrier, form stable microorganism species; And water inlet adopts guiding device can utilize waterpower that the mud of bottom is stirred from lower to upper, and fully contact with the flora of microbe carrier, therefore microbially decontaminate efficient is high, and the mud problem in pond fundamentally is resolved, if a large amount of deposition problems of mud occur in the pond, also can further solve by the spoil disposal thrust-augmenting nozzle.After immobilized microorganism baffling biological filter is processed, sewage flows into immobilized microorganism energy-saving and aerating biological filter and processes, device water-in and device water outlet in the mixed pond of brick, have been reserved, when building the mixed pond of brick between the upper and lower every 1.5 meters, between left and right every 2 meters pre-buried two-layer galvanized pipes, utilize the mixed pillar of brick that pre-buried good galvanized pipe is reinforced from lower to upper from basin bottom, after the reinforcing on the bottom cloth in the mixed pond of brick aeration plate, loading onto gas blower in above position, top, pond utilizes blower conduits that aeration plate is connected (junction must seal) with gas blower, finish and on galvanized pipe, evenly fasten fish silk rope after aeration connects, forming with galvanized pipe, behind the microbe carrier anchor that the mixed pillar of brick and fish silk rope are combined to form, evenly hang up up and down microbe carrier at anchor, after finishing the interior fittings assembling of the mixed pond of brick, begin to begin water inlet from the device water-in, when treating that water reaches the device water outlet, microbial strains is thrown in the mixed pond of brick, and gas blower is enabled in energising, gas is delivered to each aeration plate by blowing line, evenly blow out from aeration plate, the gas that blows out promotes that with the stirring water body sewage contacts with microorganism for microorganism growth.The pond connects with the pvc pipe road, and after the livestock and poultry waste disposal plant was processed, the water quality that discharge outlet is discharged can reach the emission request of " livestock and poultry breeding industry pollutant emission standard " GB18596-2001.
Claims (2)
1. the waste water of livestock poultry treatment unit is characterized in that being provided with solid-liquid separation system, immobilized microorganism baffling biological filter, immobilized microorganism energy-saving and aerating biological filter and gas blower;
Described solid-liquid separation system is provided with solid-liquid separation system inlet channel and solid-liquid separation pond; Described solid-liquid separation system inlet channel is provided with the solid-liquid separation water inlet switch, the solid-liquid separation pond is provided with solid-liquid separation system pond thrust-augmenting nozzle and solid-liquid separation tank drain pipe, be provided with the solid-liquid separation system waterways in the solid-liquid separation basin bottom, be provided with gate in the solid-liquid separation system waterways, described solid-liquid separation system draining ditch outlet connects the import of the immobilized microorganism baffling biological filter water inlet thrust-augmenting nozzle of immobilized microorganism baffling biological filter by pipeline;
Described immobilized microorganism baffling biological filter is provided with immobilized microorganism baffling biological filter water inlet thrust-augmenting nozzle, steel pipe, fish silk rope, microbe carrier, microbial strains, shore pipe and immobilized microorganism baffling biological filter water outlet; The import of described immobilized microorganism baffling biological filter water inlet thrust-augmenting nozzle connects solid-liquid separation system draining ditch outlet by pipeline, and described immobilized microorganism baffling biological filter water inlet thrust-augmenting nozzle, steel pipe, fish silk rope, microbe carrier and microbial strains are located at respectively on the pool wall of immobilized microorganism baffling biological filter; Shore pipe is located on the sidewall of immobilized microorganism baffling biological filter; The immobilized microorganism baffling biological filter water outlet connects the immobilized microorganism energy-saving and aerating biological filter water-in of immobilized microorganism energy-saving and aerating biological filter by pipeline;
Described immobilized microorganism energy-saving and aerating biological filter is provided with steel pipe, the mixed pillar of brick, fish silk rope, microbe carrier, microbial strains, immobilized microorganism energy-saving and aerating biological filter water-in, aeration plate, blowing line and immobilized microorganism energy-saving and aerating biological filter water outlet; Described steel pipe, the mixed pillar of brick, fish silk rope, microbe carrier and microbial strains are located at respectively on the pool wall of immobilized microorganism energy-saving and aerating biological filter; Described blowing line is located at bottom, immobilized microorganism energy-saving and aerating biological filter; Described aeration plate is located on the blowing line, and immobilized microorganism energy-saving and aerating biological filter water outlet is located at immobilized microorganism energy-saving and aerating biological filter sidewall; Blowing line is connected with gas blower.
2. waste water of livestock poultry treatment unit as claimed in claim 1 is characterized in that the bottom in described solid-liquid separation pond is provided with slope, solid-liquid separation pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110269440 CN102351384B (en) | 2011-09-13 | 2011-09-13 | Livestock and poultry wastewater treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110269440 CN102351384B (en) | 2011-09-13 | 2011-09-13 | Livestock and poultry wastewater treatment device |
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| CN102351384A CN102351384A (en) | 2012-02-15 |
| CN102351384B true CN102351384B (en) | 2013-01-23 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085993B (en) * | 2014-08-01 | 2015-12-09 | 新昌县澄潭镇澄设机械厂 | A kind of constructed wetland device |
| CN104085992B (en) * | 2014-08-01 | 2015-12-02 | 新昌县镜岭镇柳良轴承厂 | A kind of sewage treatment process with warming solar energy effect |
| CN104098186B (en) * | 2014-08-01 | 2015-12-30 | 徐凯 | A kind of immobilized microorganism sewage treatment process |
| CN105417598A (en) * | 2015-12-17 | 2016-03-23 | 江苏新奇环保有限公司 | Fecal sewage treatment device |
| CN112794752A (en) * | 2021-02-02 | 2021-05-14 | 湖北圣兴生物科技股份有限公司 | Preparation method of bio-organic fertilizer by mixed fermentation of chicken manure and slaughter waste |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1502569A (en) * | 2002-11-26 | 2004-06-09 | 上海西科水科学环保技术有限公司 | Trickling filter for biological treatment of waste water or sewage |
| CN201292283Y (en) * | 2008-11-24 | 2009-08-19 | 中国海洋大学 | Baffling high-efficiency bio-filter apparatus |
| CN201458823U (en) * | 2009-04-21 | 2010-05-12 | 龙吉海 | Biological filtration tank of up/reverse-flow anaerobic baffle plate |
| CN202265480U (en) * | 2011-09-13 | 2012-06-06 | 厦门联南强生物环保科技有限公司 | Livestock wastewater treatment device |
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Address after: The Imperial Palace Road, Siming District of Xiamen city of Fujian Province, No. 94 19B 361000 Patentee after: Xiamen Liannanqiang Biological Environmental Protection Technology Co., Ltd. Address before: The Imperial Palace Road, Siming District of Xiamen city of Fujian Province, No. 361000 94-19 Patentee before: Xiamen Liannanqiang Biological Environmental Protection Technology Co., Ltd. |
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Effective date of registration: 20191227 Address after: 363000 Yuanhu Village Road Side of Mountain Town, Nanjing County, Zhangzhou City, Fujian Province Patentee after: Zhangzhou liannanqiang Environmental Protection Technology Co., Ltd Address before: The Imperial Palace Road, Siming District of Xiamen city of Fujian Province, No. 94 19B 361000 Patentee before: Xiamen Liannanqiang Biological Environmental Protection Technology Co., Ltd. |