CN113412810A

CN113412810A - Canvas culture pond water purifies cyclic utilization device

Info

Publication number: CN113412810A
Application number: CN202110836963.5A
Authority: CN
Inventors: 赵瑞亮; 雷普勋; 胡振平; 张三明
Original assignee: SHANXI PROVINCIAL INST OF AQUATIC PRODUCTS
Current assignee: SHANXI PROVINCIAL INST OF AQUATIC PRODUCTS
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-09-21

Abstract

The invention is suitable for the technical field of greenhouse breeding, and provides a canvas culture pond water body purification and cyclic utilization device, which comprises: an breed pond, its bottom intercommunication has the drainage mechanism, and passes through drainage mechanism is used for with breed impurity in the pond and collect the emission, a water level controller, its intercommunication drainage mechanism, and be used for right breed water level in the pond and control, a microstrainer, its intercommunication water level controller, and be used for the warp the aquatic impurity that water level controller carried carries out prefilter to and, a purifier, through facilities such as water level controller, setting tank, fluidization tank, biological filtration pond can be great reduction the use cost that pond was bred to the canvas, the effectual expenditure that reduces the cost, through a whole set of purifier, can effectually accomplish the problem of ammonia nitrogen, nitrite purification that pond during operation fish class excrement and urine produced of canvas breed pond, avoided ammonia nitrogen, nitrite index too high, the difficult condition up to standard appears.

Description

Canvas culture pond water purifies cyclic utilization device

Technical Field

The invention belongs to the technical field of greenhouse breeding, and particularly relates to a water body purification and cyclic utilization device for a canvas breeding pond.

Background

The canvas pond culture by utilizing the greenhouse is a novel culture technology starting in nearly two years, and in the culture process, due to high-density culture, excrement generated by fish after feeding feed can generate a large amount of ammonia nitrogen in a water body.

The technical scheme used at present cannot effectively solve the problem of decomposition of nutritive salt after excrement generates ammonia nitrogen in a water body, and the similar fish-vegetable symbiotic mode has no actual result because the growth of vegetables is influenced by aspects such as nutrition supply and the like due to the complexity of nutrition composition required by the vegetables.

Disclosure of Invention

The invention provides a water body purifying and recycling device for a canvas culture pond, and aims to solve the problems in the background technology.

The invention is realized in this way, a canvas culture pond water body purification cyclic utilization device, includes: an breed pond, its bottom intercommunication has blowdown mechanism, and passes through blowdown mechanism be used for with breed impurity in the pond and collect and discharge, a water level controller, its intercommunication blowdown mechanism, and be used for right breed water level in the pond and control, a microstrainer, its intercommunication water level controller, and be used for to the warp the aquatic impurity that water level controller carried carries out prefilter to and, a purifier, its inside has: a sedimentation tank which is communicated with the micro-filter and is used for carrying out secondary filtration on impurities in water, a fluidization tank which is communicated with the sedimentation tank and is used for cultivating nitrobacteria and nitrosobacteria, a ceramsite cultivation area which is communicated with the fluidization tank, wherein the inside of the ceramsite cultivation area is provided with submerged ceramsite, an anaerobic environment is formed in the water for cultivating denitrifying bacteria and can realize cultivation of aquatic plants, a water-cultured vegetable absorption area which is communicated with the ceramsite cultivation area is internally provided with a floating plate, and water-cultured plants are planted in the water and are used for absorbing transformed nutritive salt; and the oxygen increasing and water lifting area is communicated with the water culture vegetable absorption area, is internally provided with an oxygen increasing disc and is used for increasing oxygen for a water body and conveying the oxygen to the culture pond through a circulating water pump to realize water recycling.

Preferably, the method further comprises the following steps: an oxygen increasing device, wherein the oxygen increasing device comprises: the air outlet end of the air blower is communicated with an air conveying pipe, the inner wall of the culture pond is provided with a nano oxygen increasing pipe in a surrounding mode, and the air conveying pipe is communicated with the nano oxygen increasing pipe and used for conveying oxygen into the culture pond.

Preferably, the method further comprises: and the fermentation tank is communicated with the micro-filter, wherein impurities in the water filtered by the micro-filter can be conveyed into the fermentation tank.

Preferably, the drainage mechanism includes: a fixed connection in breed fish closestool of bottom of the pool, wherein, the exit end of fish closestool with the intercommunication has a circulating pipe between the water level controller, and, still be provided with the blow off pipe on the inner wall of breed pond, just the blow off pipe with the fish closestool is linked together, is used for with impurity in the breed pond absorbs the emission.

Preferably, a plurality of drain have been seted up on the diapire of settling tank, just the inside of settling tank is provided with at least one cleaning device, wherein, cleaning device comprises a plurality of clean brushes, and is used for carrying out the secondary filtration to the organic matter that contains the area in the aquatic.

Preferably, a partition board is further arranged in the middle of the settling tank, wherein a plurality of water through holes are formed in the partition board.

Preferably, the inside of the fluidization tank is filled with biological filler, wherein the culture of the nitrifying bacteria and the nitrifying bacteria is realized through the biological filler.

Compared with the prior art, the invention has the beneficial effects that: the invention discloses a water body purification and cyclic utilization device of a canvas culture pond, which comprises the following steps:

the use cost of the canvas culture pond can be greatly reduced through facilities such as the water level controller, the settling tank, the fluidization pond and the like, and the expenditure of the expenditure is effectively reduced;

the problem of purifying ammonia nitrogen and nitrite generated by fish excrement in the working process of the canvas culture pond can be effectively solved through the whole set of purifying device, and the condition that the indexes of ammonia nitrogen and nitrite are too high and the standard is not easy to reach is avoided;

the whole set of purification device can reduce cost on the one hand and can effectively reduce the difficulty of cultivation operation on the other hand when the purification device is used in daily work, so that the workload and the working strength of workers are reduced, and the follow-up use of the workers is facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of a water level controller according to the present invention;

FIG. 3 is a schematic view of the structure of the settling tank of the present invention;

FIG. 4 is a schematic view of the structure of the separator according to the present invention;

FIG. 5 is a schematic view of the structure of a fluidization cell according to the present invention;

FIG. 6 is a schematic flow chart of the present invention;

in the figure:

1. a culture pond;

2. a sewage draining mechanism; 21. a fish toilet; 22. a circulation pipe; 23. a blow-off pipe;

3. a water level controller;

4. a micro-filter;

5. a purification device; 51. a settling tank; 511. a sewage draining outlet; 512. a cleaning device; 513. a partition plate; 514. water passing holes; 52. a fluidization pool; 521. biological fillers; 53. a ceramsite culture area; 54. a hydroponic vegetable absorption area; 55. an oxygen increasing and water lifting area; 551. a water circulating pump;

6. an oxygenation device; 61. a blower; 62. a wind delivery pipe; 63. a nano oxygenation pipe;

7. a fermentation tank.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

Referring to fig. 1 and 6, the present invention provides a canvas culture pond water body purifying and recycling device, including:

the utility model provides a breed pond 1, its bottom intercommunication has blowdown mechanism 2, and is used for collecting the impurity of breeding in the pond 1 through blowdown mechanism 2 and discharges, and blowdown mechanism 2 includes: a fish toilet 21 fixedly connected to the bottom of the culture pond 1, wherein a circulating pipe 22 is communicated between the outlet end of the fish toilet 21 and the water level controller 3, and a sewage discharge pipe 23 is further arranged on the inner wall of the culture pond 1, and the sewage discharge pipe 23 is communicated with the fish toilet 21 to absorb and discharge impurities in the culture pond 1.

Specifically, in this embodiment, preferably, the culture pond 1 adopts a canvas pond with a diameter of 7m, wherein, outside the culture pond 1, a galvanized or stainless steel corrugated pipe is adopted as a support bracket, meanwhile, a through hole is opened at the bottom of the culture pond 1, and 395 × 160 fish toilets 21 are installed in the through hole, meanwhile, a drain pipe 23 provided with 160UPVC is also surrounded on the inner wall of the culture pond 1, the drain pipe 23 is communicated with the fish toilets 21 to absorb organic matters on the upper layer in the water body in the culture pond 1, and the organic matters are thrown out through the circulating pipe 22.

As a complement to the above embodiment, the method further includes: an oxygen increasing device 6, wherein the oxygen increasing device 6 comprises: the air outlet end of the air blower 61 is communicated with an air conveying pipe 62, and the inner wall of the culture pond 1 is annularly provided with a nanometer oxygenation pipe 63 and the air conveying pipe 62; the nano oxygen increasing pipe 63 is communicated for delivering oxygen to the culture pond 1.

It should be noted that, preferably, the oxygenation device 6 is composed of a roots blower 61, an air duct 62 and a nano oxygenation tube 63, wherein the nano oxygenation tube 63 is coiled in the culture pond 1 to ensure dissolved oxygen in the culture water, and as a preferred scheme, the air conveyed into the culture pond 1 can be sterilized by adopting a UV sterilization method to ensure the neatness of the culture water.

Referring to fig. 1-2, a water level controller 3 is connected to the drainage mechanism 2 and is used for controlling the water level in the culture pond 1.

Specifically, the water level controller 3 is integrally made of pp plates, the bottom discharge pipe is connected into the water level controller 3 through pipes with the diameter variable of 110UPVC and 75UPVC, the water level controller is mainly used for controlling the height of the water level in the culture pond 1, and meanwhile, the outlet end of the water level controller 3 is connected to the inlet end of the micro-filter 4.

Referring to fig. 1 and 6, a micro-filter 4 connected to the water level controller 3 for primarily filtering the impurities in the water conveyed by the water level controller 3;

further comprising: a fermentation tank 7 communicated with the micro-filter 4, wherein the impurities in the water filtered by the micro-filter 4 can be conveyed into the fermentation tank 7.

Specifically, a micro-filter 4 is installed in the device, wherein the micro-filter 4 is used for selecting micro-filters 4 with different specifications as devices for solid-liquid separation of the water body according to the circulating water amount, separating organic matters in the water body from the water body, then flowing into a fermentation tank 7, and flowing clean water into a next-stage settling tank 51.

It should be noted that (see fig. 6 for details), as a supplementary solution of this embodiment, after the organic matter flows into the fermentation tank 7 and is fermented in the fermentation tank 7, the product can be used as waste material in cultivating vegetable fields, and the sustainability of ecological environmental development is improved.

Referring to fig. 1, 3-5, a purification apparatus 5 has:

a settling tank 51, which is communicated with the micro-filter 4 and is used for carrying out secondary filtration on impurities in water; a plurality of sewage outlets 511 are formed in the bottom wall of the settling tank 51, at least one cleaning device 512 is arranged inside the settling tank 51, the cleaning device 512 is composed of a plurality of cleaning brushes and is used for carrying out secondary filtration on organic matters and bacteria contained in water, a partition plate 513 is further arranged in the middle of the settling tank 51, and a plurality of water through holes 514 are formed in the partition plate 513;

a fluidization tank 52 which is communicated with the settling tank 51 and is used for cultivating nitrobacteria and nitrosobacteria, wherein biological filler 521 is filled in the fluidization tank 52, and the cultivation of the nitrobacteria and the nitrosobacteria is realized through the biological filler 521;

a ceramsite culture area 53 communicated with the fluidization tank 52, wherein the inside of the ceramsite culture area is provided with the submerged ceramsite, and an anaerobic environment is formed in water for culturing denitrifying bacteria and realizing the culture of aquatic plants;

a water-cultured vegetable absorption area 54 communicated with the ceramsite culture area 53, wherein a floating plate is arranged in the water-cultured vegetable absorption area, and water-cultured plants are planted in the water for absorbing transformed nutrient salts;

and the oxygen increasing and water lifting area 55 is communicated with the water culture vegetable absorption area 54, is internally provided with an oxygen increasing disc and is used for increasing oxygen for the water body and conveying the water body into the culture pond 1 through a circulating water pump 551 to realize water recycling.

Specifically, in this embodiment, the settling tank 51 is integrally made of pp plates, a sewage outlet 511 is formed in the bottom surface of the settling tank, a suspended cleaning device 512 is mainly arranged in the settling tank according to 120 water purification brushes per square meter, and the water outlet end of the settling tank is connected to the fluidized bed 52.

The fluidized bed 52 is made of two interconnected plastic barrels or PP plates, and biological fillers 521 are put into the water body, and have the function of culturing nitrifying bacteria and nitrosobacteria.

A ceramsite culture area 53: the inside of the container is provided with the submerged ceramsite, and the submerged ceramsite can form an anaerobic environment in water for culturing denitrifying bacteria and simultaneously planting proper aquatic plants.

Hydroponic vegetable absorption area 54: inside it, floating plates are set to plant water culture plant in water for absorbing transformed nutritive salt.

And the oxygen increasing and water lifting area 55 is communicated with the water culture vegetable absorption area 54, is internally provided with an oxygen increasing disc, is used for increasing oxygen for a water body, and is conveyed to the culture pond 1 through a circulating water pump 551 to realize water recycling.

The working principle and the using process of the invention are as follows: after the invention is installed:

the water level controller 3 controls the water level height in the culture pond 1, pumps the water body exceeding the warning value into the micro-filter 4, realizes primary filtration of the culture water body, conveys organic matters in the culture water body into the fermentation tank 7, simultaneously, the water body flows into the settling tank 51, the settling tank 51 finishes secondary filtration, conveys the water body into the fluidized tank 52, realizes cultivation of nitrobacteria and nitrosobacteria through biological filler 521, and simultaneously, the water body flows into the ceramsite culture zone 53 and the water culture vegetable absorption zone 54, and realizes cultivation of aquatic plants and water culture plants; the water body flows into the oxygen increasing and water lifting area 55 and is lifted back to the culture pond 1 by the circulating water pump 551 for recycling.

The problem that the culture pond 1 effectively reduces ammonia nitrogen and nitrite in a low-cost mode is solved by cultivating specific bacteria for decomposing ammonia nitrogen and nitrite in the culture process, closed-loop circulating culture is realized, the system is installed in a vegetable greenhouse, and soil-based germplasm vegetables in the greenhouse are irrigated after excrement extracted by the microfilter 4 is fermented.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a canvas culture pond water purifies cyclic utilization device which characterized in that includes:

the bottom of the culture pond (1) is communicated with a sewage discharge mechanism (2), and the sewage discharge mechanism (2) is used for collecting and discharging impurities in the culture pond (1);

the water level controller (3) is communicated with the sewage draining mechanism (2) and is used for controlling the water level in the culture pond (1);

a micro-filter (4) which is communicated with the water level controller (3) and is used for preliminarily filtering impurities in the water conveyed by the water level controller (3); and the number of the first and second groups,

a purification device (5) having therein:

a settling tank (51) which is communicated with the micro-filter (4) and is used for carrying out secondary filtration on impurities in water;

a fluidization tank (52) which is communicated with the settling tank (51) and is used for cultivating nitrifying bacteria and nitrifying bacteria;

a ceramsite culture area (53) communicated with the fluidization pool (52), wherein the inside of the ceramsite culture area is provided with the submerged ceramsite, and an anaerobic environment is formed in the water for culturing denitrifying bacteria and realizing the culture of aquatic plants;

a water culture vegetable absorption area (54) communicated with the ceramsite culture area (53), wherein a floating plate is arranged in the water culture vegetable absorption area, and water culture plants are planted in the water to absorb the transformed nutrient salt;

and the oxygen increasing and water lifting area (55) is communicated with the water culture vegetable absorption area (54), is internally provided with an oxygen increasing disc and is used for increasing oxygen for the water body, and the oxygen increasing disc is conveyed into the culture pond (1) through a circulating water pump (551) to realize water recycling.

2. The canvas culture pond water body purifying and recycling device of claim 1, further comprising: an oxygen increasing device (6), wherein the oxygen increasing device (6) comprises:

a blower (61);

wherein, the air outlet end of the blower (61) is communicated with an air delivery pipe (62);

and the inner wall of the culture pond (1) is provided with a nano oxygenation pipe (63) in a surrounding way;

the air delivery pipe (62); the nano oxygen increasing pipe (63) is communicated and used for conveying oxygen into the culture pond (1).

3. The canvas culture pond water body purifying and recycling device as recited in claim 1, further comprising: a fermentation tank (7) communicated with the micro-filter (4);

wherein, the impurities in the water filtered by the micro-filter (4) can be conveyed into the fermentation tank (7).

4. The canvas culture pond water body purifying and recycling device as recited in claim 1, wherein the sewage discharging mechanism (2) comprises:

a fish toilet (21) fixedly connected to the bottom of the culture pond (1);

wherein a circulating pipe (22) is communicated between the outlet end of the fish toilet (21) and the water level controller (3);

and a drain pipe (23) is further arranged on the inner wall of the culture pond (1), and the drain pipe (23) is communicated with the fish toilet (21) and is used for absorbing and discharging impurities in the culture pond (1).

5. The canvas culture pond water body purifying and recycling device as claimed in claim 1, wherein a plurality of sewage outlets (511) are formed in the bottom wall of the settling tank (51);

and at least one cleaning device (512) is arranged inside the settling tank (51);

wherein, cleaning device (512) comprises a plurality of clean brushes, and is used for carrying out secondary filtration to the organic matter that contains the area in aqueous.

6. The canvas culture pond water body purifying and recycling device as claimed in claim 5, wherein a clapboard (513) is further arranged at the middle position of the settling tank (51);

wherein, a plurality of water through holes (514) are arranged on the clapboard (513).

7. The canvas culture pond water body purifying and recycling device as recited in claim 1, wherein the fluidization tank (52) is filled with biological stuffing (521);

wherein the cultivation of the nitrifying bacteria and the nitrifying bacteria is realized by the biological filler (521).