CN110467330B - Circulating water fish manure sewage concentration device and circulating water fish manure sewage concentration recycling system - Google Patents
Circulating water fish manure sewage concentration device and circulating water fish manure sewage concentration recycling system Download PDFInfo
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- CN110467330B CN110467330B CN201910873528.2A CN201910873528A CN110467330B CN 110467330 B CN110467330 B CN 110467330B CN 201910873528 A CN201910873528 A CN 201910873528A CN 110467330 B CN110467330 B CN 110467330B
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- manure
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 174
- 210000003608 fece Anatomy 0.000 title claims abstract description 54
- 239000010865 sewage Substances 0.000 title claims abstract description 49
- 239000010871 livestock manure Substances 0.000 title claims abstract description 47
- 241000251468 Actinopterygii Species 0.000 title claims abstract description 42
- 238000004064 recycling Methods 0.000 title claims abstract description 8
- 238000007664 blowing Methods 0.000 claims abstract description 30
- 239000007921 spray Substances 0.000 claims abstract description 16
- 238000009372 pisciculture Methods 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 230000002550 fecal effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 claims description 5
- 238000005842 biochemical reaction Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/126—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using drum filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a circulating water fish-farming manure sewage concentration device and a circulating water fish-farming manure sewage concentration recycling system, wherein a rotary drum is rotatably connected to a frame, water filtering holes are distributed on the rotary drum, the rotary drum is driven by a motor to rotate around the central shaft, one end of the rotary drum is closed, the other end of the rotary drum is open, the open end is a water inlet end, a blowing device and a spray pipe are arranged above the rotary drum, the blowing device is connected with an air compressor or a high-pressure air tank and blows air into the rotary drum, the lower side of the spray pipe is provided with a plurality of water spraying ports or water spraying heads which spray water towards the rotary drum, the central shaft of the rotary drum is a hollow shaft, a manure receiving hopper is arranged on the central shaft, the bottom end of the manure receiving hopper is communicated with the central shaft, and the top end opening of the manure receiving hopper is right below the blowing device and the spray pipe; the excrement in the excrement receiving hopper is discharged from one end of the central shaft far away from the water inlet end. The concentration of the fish manure sewage can be further improved and can reach more than 5%, the water consumption is low, and the energy consumption and the cost of the subsequent biochemical treatment are low.
Description
Technical Field
The invention relates to a circulating water fish-farming manure sewage concentration device and a circulating water fish-farming manure sewage concentration and recycling system, and belongs to the field of water treatment.
Background
The fish culture density of circulating water is high, the bait feeding amount is between 1% and 1.2%, a large amount of feces and residual baits can be produced every day, at present, the methods for increasing the circulating water amount and increasing the water exchange amount are generally adopted in China to remove the feces and residual baits in a fish pond, a large amount of sewage is filtered by a micro-filter and then subjected to aerobic treatment, and the treated tail water is used for planting vegetables or purifying artificial wetland and finally is discharged after reaching standards.
Because of large sewage quantity, high energy consumption in the treatment process, large facility capacity, high construction investment and large water resource waste, the problems comprehensively influence the healthy development of fish culture in circulating water. Therefore, how to better reduce the energy consumption of the aerobic treatment and the treatment cost becomes the problem which needs to be solved.
At present, the circulating water is used for culturing fish manure and residual baits, a micro-filter is generally adopted for filtering, the concentration of backwash sewage is between 0.1 and 0.2 percent on average, the concentration is low, the sewage quantity is large, the post-treatment pressure is high, and the cost is high.
Disclosure of Invention
The first object of the present invention is to provide a circulating water fish-farming fish-waste-water concentration device, which can further increase the concentration of fish-waste-water by more than 5%. The second aim is to provide a circulating water fish manure sewage concentration recycling system.
In order to achieve the first object, the technical scheme of the invention is as follows: the utility model provides a circulating water fish manure sewage concentration device, includes the frame be connected with the rotary drum center pin in the frame, the rotary drum passes through the axle sleeve suit at its both ends on the center pin, it has a plurality of drainage holes to distribute on the rotary drum, the rotary drum passes through gear motor drive around its center pin rotation, the one end of rotary drum is sealed, and the other end opening, this open end is the water inlet end, the top outside the rotary drum is provided with blowing device and shower along the center pin extending direction of rotary drum, blowing device links to each other with air compressor machine or high-pressure gas tank, blowing device can blow to the rotary drum in, the downside of shower is provided with a plurality of water jet or sprinkler head towards water spray in the rotary drum, the center pin of rotary drum is the hollow shaft on the center pin is provided with the excrement receiving bucket, the bottom and the center pin UNICOM of excrement receiving bucket, its top opening part is located blowing device and shower below just, the top that connects the excrement receiving bucket extends along blowing device length direction, the excrement sewage in the receiving bucket is kept away from the one end of water inlet end from the center pin.
By adopting the scheme, the blowing device is connected with the air compressor or the high-pressure air tank, and the spray pipe is connected with the backwash pump. The fish manure sewage discharged from the bottom and the middle upper layer of the fish pond enters the fish manure collecting pond, is pumped into the rotary drum from the water inlet end through the lifting pump, and rotates around the central shaft. The fish manure and residual bait attached to the inner surface of the rotary drum can block the water filtering holes, so that the water filtering holes are reduced in passing capacity, the water level in the rotary drum is gradually increased, a compressed air electromagnetic valve is arranged on a pipeline connected with an air compressor or a high-pressure air tank and an air blowing device, when the water level reaches a certain height, the compressed air electromagnetic valve arranged on the pipeline connected with the air blowing device is opened, the pressure air flow blows from the outer surface of the rotary drum to the inner surface through the air blowing device, the fish manure and residual bait attached to the inner surface of the rotary drum are blown down, fall into a manure receiving hopper, and are discharged through the outlet end of a central shaft to enter an anaerobic fermentation tank. The function of the water spraying pipe is to adjust the TS concentration of the concentrate, and the water outlet amount of the water spraying pipe is adjusted so as to reduce or improve the TS concentration of the concentrate.
In the scheme, the method comprises the following steps: the machine frame is a water receiving tank with an opening at the upper end, central shaft installation seats are symmetrically arranged on two opposite sides of the top end of the water receiving tank, two ends of the central shaft are respectively fixed on the central shaft installation seats on two sides, and a clear water outlet is arranged on the water receiving tank. Clear water enters the water receiving tank through the rotary drum water filtering holes and is discharged to the backwater pool from the water receiving tank.
The machine frame is a cuboid or cuboid frame surrounded by transverse beams and vertical beams, central shaft installation seats are symmetrically arranged on the transverse beams on two opposite sides of the top end of the machine frame, and two ends of the central shaft are respectively fixed on the central shaft installation seats on two sides. The frame is directly arranged above the water return tank, and clean water leaked from the rotary drum directly enters the water return tank.
In the scheme, the method comprises the following steps: the rotary drum comprises a cylindrical shell surrounded by filter meshes, one end of the cylindrical shell is closed, the inner wall of the other end of the cylindrical shell is connected with a shaft sleeve through a supporting framework, and the shaft sleeve is also arranged in the center of the end face of the closed end of the cylindrical shell.
In the scheme, the method comprises the following steps: a driven gear is sleeved outside the shaft sleeve at one end of the rotary drum and meshed with a driving gear on the output shaft of the speed reducing motor. The motor drives the gear to rotate, so that the rotary drum is driven to rotate around the center of the rotary drum.
In the scheme, the method comprises the following steps: the inner side of the frame is provided with a circular arc water inlet groove with two high ends and a low middle part, one side of the water inlet groove close to the frame is provided with a water inlet pipe, the water inlet pipe extends out of the frame, the lower end of the opening end of the rotary drum is lapped on a notch on one side of the water inlet groove far away from the water inlet pipe, and a sealing piece is arranged between the water inlet groove and the rotary drum. The sealing piece is tightly attached to the rotary drum, so that the inside and the outside of the rotary drum are strictly separated, and water entering the water inlet tank is ensured to enter the rotary drum from the water inlet end of the rotary drum.
In the scheme, the method comprises the following steps: the air blowing device is an air knife. The fish feces and residual baits adsorbed on the inner wall of the rotary drum net sheet are blown down to clean the rotary drum net sheet.
In the scheme, the method comprises the following steps: the other two opposite sides of the top end of the frame are provided with a housing supporting frame, the housing is supported above the rotary drum through the housing supporting frame, and the air blowing device and the spray pipe are positioned in the housing. And the water splashing in the running process of the rotary drum is reduced.
In the scheme, a liquid level sensor is arranged in the rotary drum or/and the water inlet tank. When the water surface touches the liquid level sensor, a compressed air electromagnetic valve arranged on a pipeline connected with the blowing device is opened.
The second object of the present invention is achieved by: the utility model provides a concentrated recycling system of circulating water fish manure sewage, includes the fish pond the bottom of fish pond is arranged in sewage and the pond face sewage row income fish manure collecting vat, its characterized in that: the waste water in the fish dung collecting tank is pumped to the circulating water fish dung sewage concentrating device through a lifting pump to be concentrated, clear water from a rotary drum water filtering hole is discharged into a water return tank, water in the water return tank is pumped to a filter through a reflux pump, a water outlet of the filter is connected with an ultraviolet sterilizer, a water outlet of the ultraviolet sterilizer is connected with a biological filter bed, and water from the biological filter bed flows back into the fish pond; and the fecal sewage in the fecal receiving hopper enters a subsequent biochemical reaction system.
In the scheme, the method comprises the following steps: and water in the backwater pool is pumped to the spray pipe through a backwash pump.
The beneficial effects are that: the circulating water fish-raising and fish-dung sewage concentration device adopts the pressure air back flushing, and the sewage quantity is 96% -98% less than that of the common micro-filter, so that the circulating water fish-raising water consumption is greatly saved, the biochemical treatment pressure of the circulating water is reduced, the sewage concentration of the fish-dung concentration machine is improved, and the TS concentration of the fish-dung sewage can reach more than 5% on average. And the device can adjust the concentration of the back flush dirt TS at will by adjusting the water quantity of the water spraying pipe. The sewage with higher TS concentration is subjected to anaerobic biochemical treatment, so that the energy consumption is lower than that of common aerobic treatment, the facility capacity is smaller, and the investment is lower.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is a left side view of fig. 1 with the gear motor removed.
Fig. 4 is a top view of fig. 1.
Fig. 5 is a schematic structural diagram of embodiment 2.
FIG. 6 is a flow chart of a circulating water fish-farming fecal sewage concentration and reuse system.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
the front, rear, left, right, upper, lower and other azimuth terms of the invention only represent relative positions in the drawing and do not represent absolute positions of products.
In the embodiment 1, as shown in fig. 1-4, the circulating water fish-farming fish-manure sewage concentration device consists of a frame 1, a rotary drum 2, a gear motor 3, a central shaft 4, an air blowing device 5, a spray pipe 6, a central shaft mounting seat 7, a driven gear 8, a driving gear 9, a water inlet tank 10, a sealing piece 11, a supporting framework 12, a housing 13, a housing supporting frame 14, a liquid level sensor 15, a water inlet pipe 16 and a manure receiving hopper 17.
The frame 1 is a water receiving tank with an opening at the upper end, thus facilitating the collection of clean water. The opposite sides of the top end of the water receiving tank are symmetrically provided with central shaft mounting seats 7, and the water receiving tank is provided with a clear water outlet (not shown in the figure).
The rotary drum 2 is rotatably connected to the frame 1, one end of the rotary drum 2 is closed, the other end is open, and the open end is a water inlet end. The drum 2 is provided with a plurality of tiny water filtering holes, preferably: the drum 2 comprises a cylindrical shell surrounded by filter screen sheets, one end of the cylindrical shell is closed by an end plate, the inner wall of the other end of the cylindrical shell is connected with a central shaft sleeve 201 by a supporting framework 12, and the shaft sleeve 201 is also arranged in the center of the end face of the closed end of the cylindrical shell. The central shaft 4 is a hollow shaft. Both ends of the central shaft 4 are respectively fixed on the central shaft mounting seats 7 at both sides. The other two opposite sides of the water receiving tank are provided with a housing support 14, by means of which housing support 14 the housing 13 is supported above the drum 2.
The drum 2 is driven to rotate around a central axis 4 thereof by a gear motor 3, specifically: the sleeve 201 at one end of the drum 2 is sleeved with a driven gear 8, preferably the driven gear 8 is positioned at one end far away from the water inlet of the drum, and the driven gear 8 is meshed with a driving gear 9 on the output shaft of the gear motor 3.
The side wall of the water receiving tank is provided with a drum water inlet, the inner wall of the water receiving tank is provided with a circular arc water inlet tank 10 with high ends and low middle, namely the middle of the water inlet tank 10 is deep, the two ends of the water inlet tank 10 are tilted upwards, the notch of the water inlet tank 10 is circular arc matched with the cylinder opening at the lower part of the drum 2, one side of the water inlet tank 10 is abutted against the inner wall of the water receiving tank, one side of the water inlet tank 10 abutted against the inner wall of the water receiving tank is provided with a water inlet pipe 16, and the water inlet pipe 16 penetrates through the drum water inlet and extends out of the water receiving tank. The lower end of the opening end of the rotary drum 2 is lapped on a notch of one side of the water inlet tank 10 far away from the water inlet pipe 16, and a sealing element 11 is arranged between the water inlet tank 10 and the rotary drum 2.
The blowing device 5 and the spraying pipe 6 are arranged above the outside of the rotary drum 2 along the extending direction of the central shaft 4 of the rotary drum 2, and the blowing device 5 and the spraying pipe 6 are positioned in the housing 13. The air blowing device 5 is connected with an air compressor or a high-pressure air tank, the air blowing device 5 blows air into the rotary drum 2, and the air blowing device 5 is preferably an air knife. The lower side of the spray pipe 6 is provided with a plurality of water spraying ports or water spraying heads which spray water towards the inside of the rotary drum 2.
The central shaft 4 is provided with a manure receiving hopper 17, the bottom end of the manure receiving hopper 17 is communicated with the central shaft 4, the top end opening of the manure receiving hopper 17 can be positioned right below the blowing device 5 and the spray pipe 6 when rotating to the uppermost position, and the top end of the manure receiving hopper 17 extends along the length direction of the blowing device 5. The manure sewage in the manure receiving bucket 17 is discharged from the end far away from the water inlet end of the central shaft 4. The gear motor 3, the driving gear 9 and the driven gear 8 are positioned at one end of the central shaft 4 away from the water inlet end. A liquid level sensor 15 is arranged in the drum 2 and/or the water inlet tank 10.
Example 2
As shown in fig. 5, the other is the same as embodiment 1, except that the frame 1 is a cubic or rectangular frame surrounded by transverse beams and vertical beams, the transverse beams on opposite sides of the top end of the frame are symmetrically provided with central shaft mounting seats 7, and two ends of the central shaft 4 are respectively fixed on the central shaft mounting seats 7 on both sides. The other two transverse beams on opposite sides are provided with a cover shell supporting frame 14, the cover shell 13 is supported by the cover shell supporting frame 14, the water inlet tank 10 is directly arranged on the inner side of the transverse beam, one side of the water inlet tank 10, close to the transverse beam, is provided with a water inlet pipe 16, and the water inlet pipe 16 extends out of the frame. The frame 1 is directly arranged above the water return tank, and clean water is directly discharged into the water return tank.
Example 3
As shown in fig. 6, the circulating water fish-raising fecal sewage concentration and recycling system comprises a fish pond 18, bottom sewage of the fish pond 18 and pond surface sewage discharged into a fish-dung collecting pond 19, wherein the fecal sewage residual bait at the middle upper part of the water level of the fish pond is discharged into the fish-dung collecting pond through a surface discharge port; secondly, the fecal sewage residual bait water at the bottom of the fish pond is collected by a fecal sewage collector and then discharged to a fish feces collecting pond 19.
The waste water in the fish manure collecting tank 19 is pumped to the circulating water fish manure sewage concentrating device in the embodiment 1 or 2 by the lifting pump 20 for concentration, clear water from the water filtering holes of the rotary drum 2 is discharged into the water return tank 21, the water in the water return tank 21 is pumped to the filter 23 by the reflux pump 22, the water outlet of the filter 23 is connected with the ultraviolet sterilizer 24, and pathogenic microorganisms in the water are removed, including microbial population lineages such as bacteria, viruses, fungi and the like which are sensitive to the destructive power of ultraviolet technology.
The water outlet of the ultraviolet sterilizer 24 is connected with the biological filter bed 25, and the clean water is subjected to aerobic treatment in the biological filter bed 25 to remove harmful substances such as ammonia nitrogen, nitrite and the like. The water from the biological filter 25 flows back into the fish pond 18; the manure sewage in the manure receiving hopper 17 enters a subsequent biochemical reaction system. The biochemical treatment system adopts anaerobic reaction, aerobic reaction, sedimentation in sedimentation tank, and biological filter for filtration, and can be used for vegetable planting. The water in the water return tank 21 is also pumped to the shower pipe 6 by a backwash pump 26.
The present invention is not limited to the above-described embodiments, and those skilled in the art will appreciate that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a circulating water fish culture fish excrement sewage concentration device, includes frame, its characterized in that: the machine frame is connected with a drum center shaft, the drum is sleeved on the center shaft through shaft sleeves at two ends of the drum, a plurality of water filtering holes are distributed on the drum, the drum is driven by a speed reducing motor to rotate around the center shaft, one end of the drum is closed, the other end of the drum is open, the open end is a water inlet end, an air blowing device and a spray pipe are arranged above the outside of the drum along the extending direction of the center shaft of the drum, the air blowing device is connected with an air compressor or a high-pressure air tank, the air blowing device can blow air into the drum, a plurality of water spraying holes or water spraying heads for spraying water into the drum are arranged at the lower side of the spray pipe, the center shaft of the drum is a hollow shaft, a manure collecting bucket is arranged on the center shaft, the bottom end of the manure collecting bucket is communicated with the center shaft, the open end of the manure collecting bucket is right below the air blowing device and the spray pipe, the top end of the manure collecting bucket extends along the length direction of the air blowing device, and manure water in the manure collecting bucket is discharged from one end of the center shaft far away from the water inlet end; the rotary drum comprises a cylindrical shell surrounded by a filter screen sheet, one end of the cylindrical shell is closed, the inner wall of the other end of the cylindrical shell is connected with a shaft sleeve through a supporting framework, and the shaft sleeve is also arranged in the center of the end face of the closed end of the cylindrical shell; the inner side of the frame is provided with a circular arc-shaped water inlet groove with two high ends and a low middle part, a water inlet pipe is arranged on one side of the water inlet groove close to the frame, the water inlet pipe extends out of the frame, the lower end of the opening end of the rotary drum is lapped on a notch on one side of the water inlet groove far away from the water inlet pipe, and a sealing piece is arranged between the water inlet groove and the rotary drum;
the machine frame is a water receiving tank with an opening at the upper end, central shaft installation seats are symmetrically arranged on two opposite sides of the top end of the water receiving tank, two ends of the central shaft are respectively fixed on the central shaft installation seats on two sides, and a clear water outlet is arranged on the water receiving tank.
2. The circulating water fish farming manure sewage concentration plant of claim 1, wherein: the machine frame is a cuboid or cuboid frame surrounded by transverse beams and vertical beams, central shaft installation seats are symmetrically arranged on the transverse beams on two opposite sides of the top end of the machine frame, and two ends of the central shaft are respectively fixed on the central shaft installation seats on two sides.
3. The circulating water fish farming manure sewage concentration plant of claim 2, wherein: a driven gear is sleeved outside the shaft sleeve at one end of the rotary drum and meshed with a driving gear on the output shaft of the speed reducing motor.
4. A circulating water fish farming fish manure sewage concentration plant according to claim 3, wherein: the air blowing device is an air knife.
5. The circulating water fish farming manure sewage concentration plant of claim 4, wherein: the other two opposite sides of the top end of the frame are provided with a housing supporting frame, the housing is supported above the rotary drum through the housing supporting frame, and the air blowing device and the spray pipe are positioned in the housing.
6. The circulating water fish farming manure sewage concentration plant of claim 5, wherein: a liquid level sensor is arranged in the rotary drum or/and the water inlet tank.
7. The utility model provides a concentrated recycling system of circulating water fish manure sewage, includes the fish pond the bottom of fish pond is arranged in sewage and the pond face sewage row income fish manure collecting vat, its characterized in that: the waste water in the fish dung collection tank is pumped to the circulating water fish dung sewage concentration device in any one of claims 1-5 through a lifting pump to be concentrated, clear water from a rotary drum water filtering hole is discharged into a water return tank, water in the water return tank is pumped to a filter through a reflux pump, a water outlet of the filter is connected with an ultraviolet sterilizer, a water outlet of the ultraviolet sterilizer is connected with a biological filter bed, and water from the biological filter bed flows back into the fish pond; and the fecal sewage in the fecal receiving hopper enters a subsequent biochemical reaction system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910873528.2A CN110467330B (en) | 2019-09-17 | 2019-09-17 | Circulating water fish manure sewage concentration device and circulating water fish manure sewage concentration recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910873528.2A CN110467330B (en) | 2019-09-17 | 2019-09-17 | Circulating water fish manure sewage concentration device and circulating water fish manure sewage concentration recycling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110467330A CN110467330A (en) | 2019-11-19 |
| CN110467330B true CN110467330B (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910873528.2A Active CN110467330B (en) | 2019-09-17 | 2019-09-17 | Circulating water fish manure sewage concentration device and circulating water fish manure sewage concentration recycling system |
Country Status (1)
| Country | Link |
|---|---|
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| CN111821749A (en) * | 2020-08-22 | 2020-10-27 | 梁宗芹 | Filtration equipment is used in production of asphalt emulsifier |
| CN115317994A (en) * | 2022-07-26 | 2022-11-11 | 大连海洋大学 | Non-immersion type pneumatic back-washing filtering device for breeding tail water |
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