CN210825827U - Breeding sewage purification equipment based on membrane separation technology - Google Patents
Breeding sewage purification equipment based on membrane separation technology Download PDFInfo
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- CN210825827U CN210825827U CN201920920047.8U CN201920920047U CN210825827U CN 210825827 U CN210825827 U CN 210825827U CN 201920920047 U CN201920920047 U CN 201920920047U CN 210825827 U CN210825827 U CN 210825827U
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Abstract
The utility model provides a breed sewage purification equipment based on membrane separation technique, including solid-liquid separation district, subside the coagulation district, the anaerobic reaction district, aerobic reaction district and membrane filtration district, the sewage import of slope is seted up to the upper left side in solid-liquid separation district, sewage import department is provided with interception mechanism, the top in solid-liquid separation district is connected with the liquid calandria way, the liquid calandria way extends to and subsides in the coagulation district, a plurality of parallelly connected tubular milipore filter section of thick bamboo have in the membrane filtration district, the top water inlet and the second overflow pipeline intercommunication of a tubular milipore filter section of thick bamboo, the bottom and outlet conduit and the sewer line intercommunication of each tubular milipore filter section of thick bamboo, sewer line and mud discharge pipeline intercommunication. The solid-liquid separation zone of the utility model adopts the interception mechanism to replace the traditional grille to intercept the floating objects of the breeding wastewater, thereby being convenient for cleaning; the membrane filtration area can separate out the pure water rapidly and thoroughly based on the membrane separation technology, and the tubular ultrafiltration membrane cylinders are arranged in parallel, so that the adsorption efficiency of the tubular ultrafiltration membrane cylinders is basically consistent, and the tubular ultrafiltration membrane cylinders are clean and sanitary.
Description
Technical Field
The utility model relates to a sewage treatment technical field, specifically speaking relates to a breed sewage purification equipment based on membrane separation technique.
Background
The livestock and poultry industry is an important component of agriculture and rural economy in China, the environmental pollution problem caused by the vigorous development of the livestock and poultry breeding industry is increasingly serious, the economic development is influenced, the ecological safety is also endangered, and the livestock and poultry breeding industry becomes a social problem which is generally concerned by people. Feces and sewage generated by livestock and poultry farms cause serious pollution to surface water, underground water, soil and ambient air, and directly affect the health and normal production and life of people. Untreated sewage of livestock and poultry farms contains a large amount of pollutants, the pollution load is very high, and the high-concentration organic wastewater is directly discharged into rivers, lakes and reservoirs or enters rivers, lakes and reservoirs along with rainwater washing, so that a large amount of dissolved oxygen in the water is consumed, and the water becomes black and smelly. The water contains a large amount of nutrients such as N, P, which is one of the important reasons for eutrophication of water body, and the water is discharged into fish ponds and rivers to gradually die aquatic organisms sensitive to organic pollution, and seriously, the fish ponds and rivers lose using functions. The culture sewage permeates into the ground for a long time, so that the concentration of nitrate nitrogen or nitrite nitrogen in the underground water is increased, the dissolved oxygen content of the underground water is reduced, toxic components are increased, the water quality is deteriorated, even the using function of the underground water is lost, and the water quality of surrounding domestic water is endangered. High-concentration sewage can also cause soil pore blockage, cause soil air permeability and water permeability to be reduced, hardening and salinization, seriously reduce soil quality, even damage crops, and cause yield reduction and death.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model aims to provide a cultivation sewage purification device and a method based on a membrane separation technology, so as to overcome the defects in the prior art.
In order to realize the aim, the utility model provides a cultivation sewage purification device based on membrane separation technology, the cultivation sewage purification device comprises a solid-liquid separation zone, a sedimentation coagulation zone, an anaerobic reaction zone, an aerobic reaction zone and a membrane filtration zone, an inclined sewage inlet is arranged at the upper left side of the solid-liquid separation zone, an interception mechanism is arranged at the sewage inlet and is connected with a first collection zone, the bottom of the left side of the solid-liquid separation zone is connected with a solid discharge pipeline, the solid discharge pipeline is communicated with a second collection zone, the top of the solid-liquid separation zone is connected with a liquid discharge pipeline, and the liquid discharge pipeline extends into the top of the sedimentation coagulation zone; a coagulation medicine box is arranged at the top of the sedimentation and coagulation area, a pump pipe is inserted on the coagulation medicine box and extends into the sedimentation and coagulation area, a sludge discharge pipeline and a clear liquid discharge pipeline are connected to the front side of the bottom of the sedimentation and coagulation area, the clear liquid discharge pipeline is positioned above the sludge discharge pipeline, the sludge discharge pipeline is communicated with the second collection area, and the clear liquid discharge pipeline is communicated with the anaerobic reaction area; a biological contact filler is arranged in the anaerobic reaction zone, the front side of the bottom of the anaerobic reaction zone is connected with a first overflow pipeline, the first overflow pipeline is vertically communicated upwards to the bottom of the aerobic reaction zone, the front side of the top of the anaerobic reaction zone is connected with an exhaust gas pipe, and the exhaust gas pipe is communicated with an exhaust gas recovery processing device; the front side of the bottom of the aerobic reaction zone is connected with an aeration device, the aeration device is inserted into the aerobic reaction zone through a plurality of aeration pipes, an air inlet of the aeration device is connected with an air blower, a second overflow pipeline is vertically arranged in the aerobic reaction zone, and the second overflow pipeline horizontally extends into the upper part of the membrane filtration zone; the membrane filtering area is internally provided with a plurality of tubular ultrafiltration membrane cylinders which are connected in parallel, a water inlet at the top of each tubular ultrafiltration membrane cylinder is communicated with a second overflow pipeline, the bottom of each tubular ultrafiltration membrane cylinder is respectively communicated with a water outlet pipeline and a sewage pipeline, the water outlet pipeline is communicated with a discharge water tank or a clean water tank, and the sewage pipeline is communicated with a sludge discharge pipeline.
According to the technical scheme, before sewage is filtered by the membrane filtering area, aquaculture wastewater is sequentially pretreated by the solid-liquid separation area, the sedimentation coagulation area, the anaerobic reaction area and the aerobic reaction area, the solid-liquid separation area adopts an interception mechanism to replace a traditional grid to intercept floating matters of the aquaculture wastewater and is convenient to clean, after the solid-liquid separation of the aquaculture wastewater is carried out by the solid-liquid separation area, macromolecular particles in the aquaculture wastewater are removed in the sedimentation coagulation area, organic matters and the like in the aquaculture wastewater are decomposed in the anaerobic reaction area and the aerobic reaction area, finally, purified water can be rapidly and thoroughly separated by the membrane filtering area based on a membrane separation technology, and the tubular ultrafiltration membrane cylinders are arranged in parallel, so that the adsorption efficiency of the tubular ultrafiltration membrane cylinders is basically consistent, and the filtered water can be sterilized and then stored, and is clean and sanitary; solid sludge generated in the solid-liquid separation zone, the sedimentation coagulation zone and the membrane filtration zone is finally collected in the same zone, so that the management is convenient.
As a further explanation of the aquaculture sewage purification device of the present invention, preferably, the intercepting mechanism includes an intercepting plate and an intercepting net, the intercepting plate is horizontally disposed at the bottom end of the sewage inlet, one end of the intercepting plate is embedded in a first slide way on the box mouth of the first collecting region, so that the intercepting plate can slide along the first slide way, the other end of the intercepting plate is connected with the intercepting net, the intercepting net is parallel to the sewage inlet, and the end of the intercepting net is embedded in a second slide way on the inner side of the top end of the sewage inlet, so that the intercepting net can slide into the sewage inlet along the second slide way when the intercepting plate slides; the interception plate is provided with a conveyor belt.
Through above-mentioned technical scheme, adopt interception mechanism to replace traditional grid, interception mechanism sets up to mobilizable, intercepts the floater of breeding waste water and directly transports to first collecting region, still conveniently clears up, avoids blockking up the sewage import.
As right the further explanation of breeding sewage purification equipment, preferably, the top outside of sewage import has the third slide, the embedded folding import door plant that is equipped with of third slide, the one end of import door plant is connected in the pivot, and the pivot is in slide in the third slide, the import door plant is grabbed with the pivot and is ann dong, the length of import door plant equals sewage import's cross-sectional length.
Through the technical scheme, when the device is not used or the intercepting mechanism is moved out, the sewage inlet of the solid-liquid separation zone can be sealed, and the situation that foreign matters enter the solid-liquid separation zone to influence subsequent solid-liquid separation treatment on the culture sewage is avoided.
As right the further explanation of breeding sewage purification equipment, preferably, liquid calandria way is the U-shaped pipeline, the U-shaped pipeline clamp is in the fixation clamp, the fixation clamp is connected perpendicularly in the slide rail and is removed in the slide rail, the slide rail is connected vertically at the top in solid-liquid separation district and settlement coagulation district, the solid-liquid separation district with subside the height in coagulation district equal to make the both ends of liquid calandria way reciprocate in solid-liquid separation district and settlement coagulation district.
Through the technical scheme, the liquid discharge pipeline can be adjusted along with the lifting of the liquid level in the solid-liquid separation zone, and the solid excrement at the bottom of the solid-liquid separation zone is prevented from being pumped into the sedimentation coagulation zone.
In order to realize the other purpose of the utility model, the utility model also provides a purification method by using the cultivation sewage purification equipment, which comprises the following steps:
1) the interception mechanism is arranged in the sewage inlet and discharges the culture sewage into the solid-liquid separation zone, the interception mechanism intercepts large suspended matters in the culture sewage and transmits the large suspended matters to the first collection zone, and the culture sewage is kept stand to form solid-liquid layering;
2) starting the solid discharge pipeline to discharge the lower layer of solid excrement into a second collection area, starting the liquid discharge pipeline and adjusting the liquid discharge pipeline to discharge the upper layer of clear liquid into a sedimentation coagulation area from top to bottom;
3) pumping a coagulant in a coagulation tank into a sedimentation coagulation area, starting a sludge discharge pipeline to discharge sludge at the lower layer into a second collection area after the coagulant is fully reacted to form solid-liquid layering, and starting a clear liquid discharge pipeline to discharge clear liquid at the upper layer into an anaerobic reaction area;
4) the sewage in the anaerobic reaction zone is contacted with a biological contact filler for anaerobic fermentation treatment for 8-10 days, the generated waste gas is recycled to the waste gas recycling treatment device through a waste gas pipe (32) for treatment, a first overflow pipeline is started, and the sewage after COD removal is pumped into the aerobic reaction zone;
5) the aeration device supplies oxygen to the aerobic reaction zone at intervals, decomposes organic matters in the sewage through aerobic microorganisms, starts a second overflow pipeline, and pumps the sewage after organic matters are decomposed into the membrane filtering zone;
6) and sewage flows through the second overflow pipeline and respectively enters the tubular ultrafiltration membrane cylinders (51) which are connected in parallel, separated clear water enters the water outlet pipeline through the tubular ultrafiltration membrane cylinders, and separated sludge enters the sewage pipeline and is discharged to the second collecting area.
As a further explanation of the purification method of the present invention, it is preferable that the coagulant in step 3) is 8g/L polyaluminum chloride, 28g/L ferric sulfate and 5g/L polyacrylamide.
As a further illustration of the purification method according to the present invention, it is preferred that the temperature of the anaerobic treatment in step 4) is 40-45 ℃.
As a further illustration of the purification method according to the present invention, it is preferred that the aerobic reaction time in step 5) is 6 to 8 days.
The utility model has the advantages as follows:
1) the utility model discloses before carrying out filtration treatment to sewage through the membrane filtration district, breed waste water in proper order through the solid-liquid separation district, subside the coagulation district, the preliminary treatment in anaerobism reaction district and aerobic reaction district, the solid-liquid separation back that waste water was bred in the solid-liquid separation district, get rid of the macromolecular granule in breeding the waste water in subsiding the coagulation district, decompose the material such as organic matter in breeding the waste water in anaerobism reaction district and aerobic reaction district, can separate out the water purification thoroughly fast through the membrane filtration district based on membrane separation technique at last, and the parallelly connected setting of tubular milipore filter section of thick bamboo, the adsorption efficiency of having guaranteed a tubular milipore filter section of thick bamboo is unanimous basically, the water after the filtration can disinfect the back and store, clean.
2) The solid-liquid separation zone of the utility model adopts the interception mechanism to replace the traditional grille, the interception mechanism is arranged to be movable, and the floating objects of the aquaculture wastewater are intercepted and directly conveyed to the first collection zone, thereby being convenient for cleaning and avoiding blocking the sewage inlet; solid sludge generated in the solid-liquid separation zone, the sedimentation coagulation zone and the membrane filtration zone is finally collected in the same zone, so that the management is convenient.
Drawings
FIG. 1 is a schematic structural diagram of the aquaculture sewage purification device based on the membrane separation technology.
Detailed Description
In order to further understand the structure, characteristics and other objects of the present invention, the following detailed description is given with reference to the accompanying preferred embodiments, which are only used to illustrate the technical solution of the present invention and are not intended to limit the present invention.
As shown in fig. 1, fig. 1 is a schematic structural view of a device for purifying aquaculture wastewater based on membrane separation technology; a cultivation sewage purification device based on a membrane separation technology comprises a solid-liquid separation zone 1, a sedimentation coagulation zone 2, an anaerobic reaction zone 3, an aerobic reaction zone 4 and a membrane filtration zone 5.
The upper left side of solid-liquid separation zone 1 is seted up the sewage import 11 of slope, sewage import 11 department is provided with interception mechanism 12 in order to intercept the bold suspended solid, interception mechanism 12 is connected with first collecting region 6, the left side bottom of solid-liquid separation zone 1 is connected with solid row pipeline 13 in order to discharge the solid-state excrement and urine of lower floor, solid row pipeline 13 communicates with second collecting region 7, the top of solid-liquid separation zone 1 is connected with liquid row pipeline 14, and liquid row pipeline 14 extends to and subsides in 2 tops in the coagulation zone in order to introduce the supernatant into subsides coagulation zone 2. The intercepting mechanism 12 comprises an intercepting plate 121 and an intercepting net 122, the intercepting plate 121 is horizontally arranged at the bottom end of the sewage inlet 11, one end of the intercepting plate 121 is embedded in a first slide way on a tank opening of the first collecting area 6, so that the intercepting plate 121 can slide along the first slide way, the other end of the intercepting plate 121 is connected with the intercepting net 122, the intercepting net 122 is parallel to the sewage inlet 11, and the end part of the intercepting net 122 is embedded in a second slide way on the inner side of the top end of the sewage inlet 11, so that when the intercepting plate 121 slides, the intercepting net 122 can slide into the sewage inlet 11 along the second slide way; interception board 121 is fitted with a contraceptive ring and is equipped with the conveyer belt, adopts interception mechanism to replace traditional grid, and interception mechanism sets up to mobilizable, intercepts the floater of breeding waste water and directly transports to first collecting region, and convenient clearance avoids blockking the sewage import.
Preferably, the top outside of sewage import 11 has the third slide, the embedded folding import door plant 111 that is equipped with of third slide, the one end of import door plant 111 is connected on pivot 112, pivot 112 is in slide in the third slide, import door plant 111 grabs ann with pivot 112, and the length of import door plant 111 equals the cross-sectional length of sewage import 11, when not using or when interception mechanism shifts out, can seal the sewage import of solid-liquid separation district, avoids getting into the foreign matter in the solid-liquid separation district, influences the subsequent solid-liquid separation of breeding sewage and handles.
The top of the sedimentation coagulation area 2 is provided with a coagulation medicine box 21, a pump pipe 22 is inserted on the coagulation medicine box 21, the pump pipe 22 extends into the sedimentation coagulation area 2, the front side of the bottom of the sedimentation coagulation area 2 is connected with a sludge discharge pipeline 23 and a clear liquid discharge pipeline 24, the clear liquid discharge pipeline 24 is positioned above the sludge discharge pipeline 23, the sludge discharge pipeline 23 is communicated with the second collection area 7, and the clear liquid discharge pipeline 24 is communicated with the anaerobic reaction area 3. The liquid discharge pipe 14 is a U-shaped pipe, the U-shaped pipe is clamped in the positioning clamp 141, the positioning clamp 141 is vertically connected in the slide rail 141 and moves in the slide rail 141, the slide rail 141 is vertically connected at the top of the solid-liquid separation zone 1 and the sedimentation coagulation zone 2, the heights of the solid-liquid separation zone 1 and the sedimentation coagulation zone 2 are equal, so that the two ends of the liquid discharge pipe 14 can move up and down in the solid-liquid separation zone 1 and the sedimentation coagulation zone 2, the liquid discharge pipe can be adjusted along with the lifting of the liquid level in the solid-liquid separation zone, and the solid excrement at the bottom of the solid-liquid separation zone is prevented from being pumped into the sedimentation.
Be provided with biological contact filler in the anaerobic reaction district 3, the bottom front side in anaerobic reaction district 3 is connected with first overflow pipe 31, and first overflow pipe 31 is vertical upwards to communicate to aerobic reaction district 4 bottom, and the top front side in anaerobic reaction district 3 is connected with exhaust pipe 32, and exhaust pipe 32 and waste gas recovery processing apparatus intercommunication, waste gas recovery processing apparatus are the treatment facility of the waste gas that common anaerobic reaction produced. The front side of the bottom of the aerobic reaction zone 4 is connected with an aeration device 41, the aeration device 41 is inserted into the aerobic reaction zone 4 through a plurality of aeration pipes, an air inlet of the aeration device 41 is connected with an air blower, a second overflow pipeline 42 is vertically arranged in the aerobic reaction zone 4, and the second overflow pipeline 42 horizontally extends into the upper part of the membrane filtration zone 5.
The membrane filtering area 5 is internally provided with a plurality of tubular ultrafiltration membrane cylinders 51 which are connected in parallel, a water inlet at the top of each tubular ultrafiltration membrane cylinder 51 is communicated with the second overflow pipeline 42, the bottom of each tubular ultrafiltration membrane cylinder 51 is respectively communicated with a water outlet pipeline 52 and a sewage pipeline 53, the water outlet pipeline 52 is communicated with a discharge water tank or a clean water tank, the sewage pipeline 53 is communicated with the sludge discharge pipeline 23, the membrane filtering area can rapidly and thoroughly separate purified water based on a membrane separation technology, and the tubular ultrafiltration membrane cylinders are connected in parallel, so that the adsorption efficiency of the tubular ultrafiltration membrane cylinders is basically consistent, and the filtered water can be stored after being sterilized and is clean and sanitary.
The utility model discloses utilize breed sewage purification equipment purify breed waste water, the purification method includes following step: 1) the interception mechanism 12 is arranged in the sewage inlet 11, the breeding sewage is discharged into the solid-liquid separation zone 1, the interception mechanism 12 intercepts large suspended matters in the breeding sewage and transmits the large suspended matters to the first collection zone 6, and the breeding sewage is kept still to form solid-liquid layering; 2) starting the solid discharge pipeline 13 to discharge the lower layer of solid excrement into the second collection area 7, starting the liquid discharge pipeline 14 and adjusting the liquid discharge pipeline 14 to discharge the upper layer of clear liquid into the sedimentation coagulation area 2 from top to bottom; 3) pumping the coagulant in the coagulation medicine tank 21 into the sedimentation coagulation area 2, wherein the coagulant is 8g/L polyaluminium chloride, 28g/L ferric sulfate and 5g/L polyacrylamide, starting a sludge discharge pipeline 23 to discharge the lower-layer sludge into a second collection area 7 after the full reaction to form solid-liquid layering, and starting a clear liquid discharge pipeline 24 to discharge the upper-layer clear liquid into an anaerobic reaction area 3; 4) the sewage in the anaerobic reaction zone 3 is contacted with a biological contact filler for anaerobic fermentation treatment for 8-10 days, the temperature of the anaerobic treatment is 40-45 ℃, the generated waste gas is recycled to the waste gas recycling treatment device for treatment, the first overflow pipeline 31 is started, and the sewage after COD removal is pumped into the aerobic reaction zone 4; 5) the aeration device 41 supplies oxygen to the aerobic reaction zone 4 at intervals, decomposes organic matters in the sewage by aerobic microorganisms for 6 to 8 days, starts the second overflow pipeline 42, and pumps the sewage after the decomposition of the organic matters into the membrane filtration zone 5; 6) the sewage flows through the second overflow pipeline 42 and respectively enters the tubular ultrafiltration membrane cylinders 51 connected in parallel, the separated clear water enters the water outlet pipeline 52 through the tubular ultrafiltration membrane cylinders 51, and the separated sludge enters the sewage pipeline 53 and is discharged to the second collecting area 7.
The utility model discloses before carrying out filtration treatment to sewage through the membrane filtration district, breed waste water in proper order through the solid-liquid separation district, subside the coagulation district, the preliminary treatment in anaerobism reaction district and aerobic reaction district, the solid-liquid separation back that waste water was bred in the solid-liquid separation district, get rid of the macromolecular granule in breeding the waste water in subsiding the coagulation district, decompose the material such as organic matter in breeding the waste water in anaerobism reaction district and aerobic reaction district, can separate out the water purification thoroughly fast through the membrane filtration district based on membrane separation technique at last, and the parallelly connected setting of tubular milipore filter section of thick bamboo, the adsorption efficiency of having guaranteed a tubular milipore filter section of thick bamboo is unanimous basically, the water after the filtration can disinfect the back and store, clean. The method of the utility model can treat the breeding sewage to discharge to the outside after reaching the discharge standard or recycle after reaching the recycling standard.
It should be noted that the above mentioned embodiments and embodiments are intended to demonstrate the practical application of the technical solution provided by the present invention, and should not be interpreted as limiting the scope of the present invention. Various modifications, equivalent substitutions and improvements will occur to those skilled in the art and are intended to be within the spirit and scope of the present invention. The protection scope of the present invention is subject to the appended claims.
Claims (4)
1. A cultivation sewage purification device based on a membrane separation technology comprises a solid-liquid separation zone (1), a sedimentation coagulation zone (2), an anaerobic reaction zone (3), an aerobic reaction zone (4) and a membrane filtration zone (5),
an inclined sewage inlet (11) is formed in the upper left side of the solid-liquid separation zone (1), an intercepting mechanism (12) is arranged at the sewage inlet (11), the intercepting mechanism (12) is connected with the first collecting zone (6), the bottom of the left side of the solid-liquid separation zone (1) is connected with a solid discharge pipeline (13), the solid discharge pipeline (13) is communicated with the second collecting zone (7), the top of the solid-liquid separation zone (1) is connected with a liquid discharge pipeline (14), and the liquid discharge pipeline (14) extends into the top of the sedimentation coagulation zone (2);
a coagulation medicine box (21) is arranged at the top of the sedimentation coagulation area (2), a pump pipe (22) is inserted on the coagulation medicine box (21), the pump pipe (22) extends into the sedimentation coagulation area (2), the front side of the bottom of the sedimentation coagulation area (2) is connected with a sludge discharge pipeline (23) and a clear liquid discharge pipeline (24), the clear liquid discharge pipeline (24) is positioned above the sludge discharge pipeline (23), the sludge discharge pipeline (23) is communicated with the second collection area (7), and the clear liquid discharge pipeline (24) is communicated with the anaerobic reaction area (3);
biological contact packing is arranged in the anaerobic reaction zone (3), the front side of the bottom of the anaerobic reaction zone (3) is connected with a first overflow pipeline (31), the first overflow pipeline (31) is vertically communicated upwards to the bottom of the aerobic reaction zone (4), the front side of the top of the anaerobic reaction zone (3) is connected with a waste gas pipe (32), and the waste gas pipe (32) is communicated with a waste gas recovery processing device;
the front side of the bottom of the aerobic reaction zone (4) is connected with an aeration device (41), the aeration device (41) is inserted into the aerobic reaction zone (4) through a plurality of aeration pipes, an air inlet of the aeration device (41) is connected with an air blower, a second overflow pipeline (42) is vertically arranged in the aerobic reaction zone (4), and the second overflow pipeline (42) horizontally extends into the upper part of the membrane filtration zone (5);
the membrane filtering area (5) is internally provided with a plurality of tubular ultrafiltration membrane cylinders (51) which are connected in parallel, a water inlet at the top of each tubular ultrafiltration membrane cylinder (51) is communicated with a second overflow pipeline (42), the bottom of each tubular ultrafiltration membrane cylinder (51) is respectively communicated with a water outlet pipeline (52) and a sewage pipeline (53), the water outlet pipeline (52) is communicated with a drainage pool or a clean water pool, and the sewage pipeline (53) is communicated with a sludge discharge pipeline (23).
2. The aquaculture wastewater purification apparatus according to claim 1, wherein the interception mechanism (12) comprises an interception plate (121) and an interception net (122), the interception plate (121) is horizontally arranged at the bottom end of the wastewater inlet (11), one end of the interception plate (121) is embedded in a first slideway on the tank mouth of the first collection area (6) so that the interception plate (121) can slide along the first slideway, the other end of the interception plate (121) is connected with the interception net (122), the interception net (122) is parallel to the wastewater inlet (11), and the end of the interception net (122) is embedded in a second slideway on the inner side of the top end of the wastewater inlet (11) so that when the interception plate (121) slides, the interception net (122) can slide into the wastewater inlet (11) along the second slideway; the interception plate (121) is provided with a conveyor belt in a surrounding way.
3. The aquaculture sewage purification device according to claim 2, wherein a third slide way is arranged on the outer side of the top end of the sewage inlet (11), a foldable inlet door panel (111) is embedded in the third slide way, one end of the inlet door panel (111) is connected to the rotating shaft (112), the rotating shaft (112) slides in the third slide way, the inlet door panel (111) is clamped on the rotating shaft (112), and the length of the inlet door panel (111) is equal to the length of the section of the sewage inlet (11).
4. The aquaculture sewage purification equipment according to claim 1, wherein the liquid discharge pipe (14) is a U-shaped pipe, the U-shaped pipe is clamped in a positioning clamp (141), the positioning clamp (141) is vertically connected in a slide rail (142) and moves in the slide rail (142), the slide rail (142) is vertically connected to the tops of the solid-liquid separation zone (1) and the sedimentation coagulation zone (2), and the heights of the solid-liquid separation zone (1) and the sedimentation coagulation zone (2) are equal, so that the two ends of the liquid discharge pipe (14) can move up and down in the solid-liquid separation zone (1) and the sedimentation coagulation zone (2).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110183055A (en) * | 2019-06-19 | 2019-08-30 | 福建碧蓝环保股份公司 | A kind of aquaculture wastewater cleaning equipment and method based on membrane separation technique |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110183055A (en) * | 2019-06-19 | 2019-08-30 | 福建碧蓝环保股份公司 | A kind of aquaculture wastewater cleaning equipment and method based on membrane separation technique |
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