CN116655134A - Low-cost simple and easy formula aquaculture tail water treatment system - Google Patents

Abstract

A low-cost simple aquaculture tail water treatment system relates to the technical field of aquaculture tail water treatment. It includes the following treatment facilities: sedimentation pond: used for physical precipitation, which can settle suspended particles in the tail water of aquaculture; ecological pond: relying on aquatic plants to purify water; chemical flocculation disinfection pond: using quicklime and bleaching powder for flocculation and disinfection operations. The beneficial effects of the present invention are: the aquaculture tail water treatment system requires simpler facilities, and can effectively use the terrain to build or transform sedimentation ponds, and its construction or transformation costs are lower, and the operation is simpler and easier It can effectively promote the discharge of aquaculture tail water to meet the standards, and continue to promote the healthy and steady development of the aquaculture industry.

Description

A low-cost and simple aquaculture tail water treatment system

technical field

The invention relates to the technical field of aquaculture tail water treatment, in particular to a low-cost simple aquaculture tail water treatment system.

Background technique

With the increase of people's demand for aquatic products, freshwater aquaculture is gradually changing from traditional farming mode to intensive and large-scale farming mode, but the current traditional pond farming still accounts for about 70%. In the traditional pond farming mode, during the breeding process, a large amount of feed, organic fertilizers, and biological excrement and debris constitute the main body of organic matter in the water. It is estimated that the dissolved oxygen in ^2.5m3 of water needs to be exhausted to raise 1 kg of fish, and the treatment of aquaculture water and the comprehensive utilization of resources are generally insufficient. Aquaculture and external water environment pollution.

In view of the fact that the aquaculture tail water causes serious pollution to the aquaculture and the external water environment, it is very important to treat the aquaculture tail water. However, at present, the cost of putting the aquaculture tail water into the treatment is relatively high, and the operation of the treatment is relatively complicated. It is difficult to realize, which affects the treatment of its aquaculture tail water.

Contents of the invention

The purpose of the present invention is to provide a low-cost simple aquaculture tail water treatment system for the deficiencies and defects in the prior art. The facilities required for the aquaculture tail water treatment system are simpler and can be effectively used The construction or transformation of sedimentation ponds based on the topography has lower construction or transformation costs, simpler operation, and easier operation. It can effectively promote the discharge of aquaculture tail water to meet the standard, and continue to promote the healthy and steady development of the aquaculture industry.

In order to achieve the above object, the present invention adopts the following technical solutions: a low-cost simple aquaculture tail water treatment system, which includes the following treatment facilities: sedimentation pond: used for physical precipitation, which can settle the suspended particles in the aquaculture tail water; Ecological ponds: rely on aquatic plants to purify water bodies; chemical flocculation disinfection ponds: use quicklime and bleaching powder for flocculation disinfection operations.

Further, the sedimentation pond can be based on the components and characteristics of the pollutants in the tail water of the local aquaculture, combined with the consideration of the input cost, making full use of the advantages of geographical terrain around the aquaculture pond used by the aquaculture object, and choosing an earthen pond or a pond with a geomembrane as the Sedimentation pond for aquaculture tail water treatment.

Further, it includes the following specific processes: introducing the tail water of aquaculture into the sedimentation pond; after physical precipitation through the sedimentation pond, it is introduced into the ecological pond; after the ecological pond is purified, it is introduced into the chemical flocculation disinfection pond; the chemical flocculation disinfection pond Carry out flocculation and disinfection operations, if the tail water meets the standard, it will be discharged; if the tail water does not meet the standard, it will be led back to the sedimentation pond; completed.

Further, the aquaculture tail water introduced into the sedimentation pond includes fresh water aquaculture tail water or mariculture tail water.

Further, when the tail water of aquaculture is introduced into the sedimentation pond for tail water introduction, it can be adjusted according to the terrain: if there is an advantage of terrain drop between the breeding object pond and the sedimentation pond, the drainage pipe of the breeding object pond can be adjusted Height, the tail water of the culture will flow to the sedimentation pond by itself;

If there is no terrain drop advantage between the breeding object pond and the sedimentation pond, a sewage pump or a sludge pump is required to pump the rearing water from the bottom of the breeding object pond to the sedimentation pond.

Further, the physical sedimentation operation of the sedimentation pond in the physical sedimentation through the sedimentation pond is specifically: after the aquaculture tail water of the cultured object is introduced or pumped into the sedimentation pond by gravity, it is left to stand for 1-2 days or mechanically stirred for 0.5-3 hours , with the help of physical sedimentation, the suspended particles or residues in the aquaculture tail water are settled to the bottom of the sedimentation pond.

Further, the water purification of the ecological pond in the water purification of the ecological pond is specifically: the relatively clean tail water after physical precipitation in the sedimentation pond is led to the ecological pond through gravity or pump body, and by optimizing the species, quantity and area of aquatic plants, Give full play to the effectiveness of aquatic plants, quickly transform the nutrients of aquaculture tail water and ecological pond bottom mud into the nutrients of aquatic plants themselves, and achieve the purpose of aquatic plant purification.

Further, the chemical flocculation disinfection pond in the flocculation disinfection operation is specifically as follows: when the transparency of the aquaculture tail water in the ecological pond reaches 50-80 cm, divert the aquaculture tail water to the chemical flocculation disinfection pond, and sprinkle an appropriate amount According to the actual situation on site, determine the interval time, then filter out the bleaching powder residue, splash the bleaching powder liquid, chemical flocculation and disinfection of the aquaculture tail water in the chemical flocculation disinfection pond.

After adopting the above technical scheme, the beneficial effects of the present invention are: the aquaculture tail water treatment system requires simpler facilities, and can effectively use the terrain to build or transform sedimentation ponds, and its construction or transformation costs are lower, and the operation It is simpler and easier to operate, effectively promotes the discharge of aquaculture tail water to meet the standard, and continues to promote the healthy and steady development of the aquaculture industry.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic flow chart of the present invention.

Detailed ways

Referring to shown in Fig. 1, the technical scheme that this specific embodiment adopts is: it comprises following management facility:

1) Sedimentation pond: used for physical precipitation, which can settle the suspended particles in the tail water of aquaculture;

Sedimentation ponds can be based on the components and characteristics of pollutants in the local aquaculture tail water, combined with input cost considerations, making full use of the geographical advantages around the aquaculture ponds used by the aquaculture objects, and choosing earthen ponds or ponds with geomembrane laying for aquaculture tail water treatment The sedimentation pond, which can also be constructed using concrete instead of geomembrane.

2) Ecological pond: rely on aquatic plants to purify the water body.

3) Chemical flocculation disinfection pond: quicklime and bleaching powder are used for flocculation disinfection.

It includes the following specific processes:

S1. Introduce the tail water of aquaculture into the sedimentation pond. The tail water introduced includes the tail water of freshwater aquaculture or the tail water of mariculture, and when the tail water is introduced, it can be adjusted according to the terrain:

If there is an advantage of terrain drop between the breeding object pond and the sedimentation pond, the height of the drainage pipe of the breeding object pond can be adjusted, and the rear water of the cultivation object can flow to the sedimentation pond by itself;

If there is no terrain drop advantage between the breeding object pond and the sedimentation pond, a sewage pump or a sludge pump is required to pump the rearing water from the bottom of the breeding object pond to the sedimentation pond.

S2. After the physical sedimentation is carried out in the sedimentation pond, it is introduced into the ecological pond. The physical sedimentation operation of the sedimentation pond is specifically: the aquaculture tail water of the aquaculture object is introduced or pumped into the sedimentation pond by itself, and then left to stand for 1 to 2 days or used Mechanically agitate for 0.5-3 hours, with the help of physical sedimentation, settle the suspended particles or residues in the aquaculture tail water to the bottom of the sedimentation pond, and the suspended particles or residues deposited in the sedimentation pond can be pumped to fruit trees, vegetable planting areas or seawater by sludge pump Areas such as salt-tolerant plant areas are used as fertilizers.

S3. After the ecological pond is purified, a chemical flocculation disinfection pond is introduced. The water purification of the ecological pond is specifically: the relatively clean tail water after physical precipitation in the sedimentation pond is introduced to the ecological pond through gravity or pump body, and the aquatic plants are optimized. The type, quantity and area can give full play to the effectiveness of aquatic plants, quickly transform the nutrients in aquaculture tail water and ecological pond bottom sludge into the nutrients of aquatic plants themselves, and achieve the purpose of aquatic plant purification.

S4, the chemical flocculation disinfection pond performs flocculation disinfection operation, if the tail water reaches the standard, it will be discharged; if the tail water does not meet the standard, it will be led back to the sedimentation pond, and the chemical flocculation disinfection pond is specifically as follows: the transparency of the tail water in the ecological pond reaches 50~ At 80 cm, divert the aquaculture tail water to the chemical flocculation disinfection pond, sprinkle an appropriate amount of quicklime, determine the interval according to the actual situation on site, then filter out the bleaching powder residue, sprinkle the bleaching powder liquid, and chemically flocculate and disinfect the aquaculture in the chemical flocculation disinfection pond The tail water can also be directly splashed with quicklime or bleaching powder, depending on the situation of the tail water site.

S5, complete.

The above is only used to illustrate the technical solution of the present invention and not to limit it. Other modifications or equivalent replacements made by those skilled in the art to the technical solution of the present invention should be considered as long as they do not depart from the spirit and scope of the technical solution of the present invention. fall within the scope of the claims of the present invention.

Claims (8)

1. A simple and easy type aquaculture tail water treatment system of low cost, its characterized in that: it comprises the following treatment facilities:

1) And (3) a sedimentation pond: the method is used for physical precipitation, and suspended particles in the culture tail water can be settled;

2) Ecological pond: purifying the water body by means of aquatic plants;

3) Chemical flocculation disinfection pond: and (3) performing flocculation disinfection operation by using quicklime and bleaching powder.

2. A low cost, simple aquaculture tail water treatment system according to claim 1 wherein: the sedimentation pond can be based on pollutant components and characteristics in local aquaculture tail water, and in combination with the consideration of input cost, the geographical advantage of the periphery of the culture pond used by the culture object is fully utilized, and a soil pond or a pond paved with a geomembrane is selected as the sedimentation pond for aquaculture tail water treatment.

3. A low cost, simple aquaculture tail water treatment system according to claim 1 wherein: the method comprises the following specific processes:

s1, introducing tail water of aquaculture into a sedimentation pond;

s2, after physical precipitation is carried out through a precipitation pond, introducing the mixture into an ecological pond;

s3, after the ecological pond is used for purifying the water body, introducing a chemical flocculation disinfection pond;

s4, performing flocculation disinfection operation by using the chemical flocculation disinfection pond, and discharging if tail water reaches the standard; if the tail water does not reach the standard, the tail water is returned to the sedimentation pond;

s5, finishing.

4. A low cost, simple aquaculture tail water treatment system according to claim 3 wherein: the tail water introduced in the step S1 comprises freshwater aquaculture tail water or mariculture tail water.

5. A low cost, simple aquaculture tail water treatment system according to claim 3 wherein: when S1 is used for introducing tail water, the tail water can be adjusted according to the topography:

if the relief fall advantage exists between the cultivation object pool and the sedimentation pool, the height of a drain pipe of the cultivation object pool can be adjusted, and the cultivation tail water automatically flows to the sedimentation pool;

if no relief fall advantage exists between the cultivation object pool and the sedimentation pool, a sewage pump or a sludge pump is needed to pump the cultivation tail water at the bottom of the cultivation object pool to the sedimentation pool.

6. A low cost, simple aquaculture tail water treatment system according to claim 3 wherein: the physical sedimentation operation of the sedimentation pond in the S2 specifically comprises the following steps: after the aquaculture tail water of the aquaculture object is automatically introduced or extracted into the sedimentation pond, standing for 1-2 d or mechanically stirring for 0.5-3 h, and settling suspended particles or residues in the aquaculture tail water to the bottom of the sedimentation pond by means of physical sedimentation.

7. A low cost, simple aquaculture tail water treatment system according to claim 3 wherein: the water body purification of the ecological pond in the step S3 is specifically as follows: the clean tail water after physical precipitation in the precipitation pond is led to the ecological pond through the self-flowing or pump body, the efficacy of the aquatic plants is fully exerted by optimizing the types, the quantity and the area of the aquatic plants, and the nutrient substances of the aquaculture tail water and the bottom mud of the ecological pond are quickly converted into the nutrient elements of the aquatic plants, so that the purpose of purifying the aquatic plants is achieved.

8. A low cost, simple aquaculture tail water treatment system according to claim 3 wherein: the chemical flocculation disinfection pond in the step S4 is specifically as follows: when the transparency of the culture tail water in the ecological pond reaches 50-80 cm, the aquaculture tail water is drained to a chemical flocculation disinfection pond, a proper amount of quicklime is sprayed, the interval time is determined according to the actual condition of the site, bleaching powder residues are filtered out, bleaching powder liquid is sprayed, and the culture tail water in the chemical flocculation disinfection pond is chemically flocculated and disinfected.