CN217202444U

CN217202444U - Pond culture tail water purification facility

Info

Publication number: CN217202444U
Application number: CN202220853222.8U
Authority: CN
Inventors: 胡大胜; 施金谷; 韩书煜; 乃华革; 梁怡; 江新华
Original assignee: Aquatic Technology Extension Station Of Guangxi Zhuang Autonomous Region
Current assignee: Aquatic Technology Extension Station Of Guangxi Zhuang Autonomous Region
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-16
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses a pond culture tail water purification facility, which comprises a fish manure settling ditch, a disinfection aeration ditch, a tail water purification tank, a fish manure collecting tank, a separation liquid collecting tank and a solid-liquid separator, wherein the fish manure settling ditch is communicated with a main drainage pipe of a pond; the fish manure settling ditch is provided with a fish manure extraction system, the settled fish manure is conveyed to the solid-liquid separator through the fish manure extraction system, a fish manure outlet of the solid-liquid separator is communicated with the fish manure collecting pool, and tail water of the solid-liquid separator flows into the fish manure settling ditch again. The utility model overcomes the defect of poor treatment effect of the tail water of pond culture.

Description

Pond culture tail water purification facility

Technical Field

The utility model belongs to the technical field of aquaculture, a breed tail water purification facility is related to, concretely relates to pond culture tail water purification facility.

Background

In recent years, with the rapid increase of the yield per unit area of pond culture, the feed feeding amount is also rapidly increased, the stress of culture tail water on the environment is highlighted, and the purification of the culture tail water is urgent. At present, the treatment mode of the culture tail water is mostly a three-pond two-dam treatment mode, namely, the culture tail water is precipitated by a sedimentation tank, aerated in an aeration tank by a first-stage filtering dam, purified in an ecological purification tank by a second-stage filtering dam and then discharged. The utility model discloses before, the pond culture tail water treatment mode adopts 8-10% "three ponds two dams" of total area of breed to account for more and breeds tail water treatment mode, still can reach the emission of meeting standard to the pond culture tail water treatment effect below 500kg per mu, nevertheless not good to the pond culture tail water treatment effect more than 500kg per mu, and breed the tail water treatment effect along with the improvement of per mu yield level and be worse.

SUMMERY OF THE UTILITY MODEL

To the technical problem that exists at present, the utility model provides a pond culture tail water purification facility to solve the poor problem of pond culture tail water treatment effect.

The technical scheme of the utility model is that: a pond culture tail water purification facility comprises a fish manure settling ditch, a disinfection aeration ditch, a tail water purification tank, a fish manure collecting tank, a separation liquid collecting tank and a solid-liquid separator, wherein the fish manure settling ditch is communicated with a main drainage pipe of a pond; the fish manure settling ditch is provided with a fish manure extraction system, the settled fish manure is conveyed to the solid-liquid separator through the fish manure extraction system, a fish manure outlet of the solid-liquid separator is communicated with the fish manure collecting pool, and tail water of the solid-liquid separator flows into the fish manure settling ditch again.

Preferably, the bottom of the fish manure settling channel consists of a flat bottom section of 0.5m and a slope section of 25-30 ℃; the fish manure extraction system comprises a bidirectional driver, a guide rail, rollers, a submersible sewage pump, a pipeline and a conveying water tank, wherein the bidirectional driver and the guide rail are arranged at the top end of the side wall of the fish manure settling ditch, the bidirectional driver drives the rollers to roll on the guide rail, the submersible sewage pump is arranged in an area above a flat bottom section, an outlet of the submersible sewage pump is connected with the pipeline, the pipeline is connected onto the rollers, an outlet of the pipeline is arranged in the conveying water tank, the conveying water tank is arranged on the outer side surface of the side wall of the fish manure settling ditch, and an outlet of the conveying water tank is communicated with a solid-liquid separator.

Preferably, the fish dung settling channel is provided with a water inlet pipe, the water inlet pipe is communicated with a main drain pipe, a pipe orifice of the water inlet pipe is provided with a 20-mesh buffering bolting silk mesh bag with the length of two meters, and aquatic plants with developed root systems are planted on the water surface of the fish dung settling channel.

Preferably, the area of the tail water purification tank is 8-10% of the area of the aquaculture pond, and the aquatic plants planted at the bottom of the tank are sowthistle herbs or hydrilla verticillata.

The utility model has the advantages that: the device is simple in arrangement and small in occupied area, and can effectively improve the treatment effect of the culture tail water.

Drawings

FIG. 1 is a schematic structural diagram of the present invention

FIG. 2 is a schematic structural view of a fish dung settling channel

In the figure, 1, a fish dung settling channel, 2, a disinfection aeration channel, 3, a tail water purifying tank, 4, a fish dung collecting tank, 5, a separation liquid collecting tank, 6, a solid-liquid separator, 7, a water inlet pipe, 8, a conveying water tank, 9, a channel overflow port, 10, a channel overflow port, 11, a submersible sewage pump, 12, a pipeline, 13, a roller, 14 and a guide rail.

Detailed Description

The following describes a pond culture tail water purification facility in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, the utility model provides a pond culture tail water purification facility, including fish manure sedimentation ditch 1, disinfection aeration ditch 2, tail water purification tank 3, fish manure collecting pit 4, separation liquid collecting pit 5 and solid-liquid separation machine 6, fish manure sedimentation ditch 1 communicates with the total drain pipe of pond, fish manure sedimentation ditch 1's upper end sets up the ditch overflow mouth 9 that communicates with disinfection aeration ditch 2, disinfection aeration ditch 2's upper end sets up the ditch pond overflow mouth 10 that communicates with tail water purification tank 3, set up ozone equipment and aeration equipment in the disinfection aeration ditch 2, plant aquatic plant, breed fish and spiral shell mussel in the tail water purification tank 3; the fish manure settling ditch 1 is provided with a fish manure extraction system, settled fish manure is conveyed to the solid-liquid separator 6 through the fish manure extraction system, a fish manure outlet of the solid-liquid separator 6 is communicated with the fish manure collecting pool 4, and tail water of the solid-liquid separator 6 flows into the fish manure settling ditch 1 again.

The utility model discloses when concrete implementation, fish excrement subsides ditch 1 is rectangle brick mixed structure cement pond, the specification is 20-40m 3-4m 4-5m, disinfection aeration ditch 2 is rectangle brick mixed structure cement pond, the specification is 20-40m 2-3m 3-4m, tail water purification tank 3 is earth structure pond, fish excrement subsides ditch 1, disinfection aeration ditch 2, tail water purification tank 3 is adjacent setting in proper order, fish excrement subsides ditch 1 and sets up inlet tube 7, inlet tube 7 communicates with each other with the total drainage pipe, inlet tube 7 locates the one end that fish excrement subsides ditch 1, two meters long 20 meshes of buffering bolting-silk pocket are established to the mouth of pipe of inlet tube 7 in fish excrement subsides ditch 1, fish excrement subsides the flourishing aquatic plant of ditch 1's surface of water planting root system, make fish excrement subside at the bottom of ditch through buffering bolting-silk pocket and aquatic plant root system. The ditch spillway gap 9 is arranged at the other end, namely on the side wall of the opposite end of the water inlet pipe 7 communicated with the disinfection aeration ditch 2, the ditch spillway gap 9 is 30-40cm wide and 15-20cm deep, the size of the ditch and pool spillway gap 10 is the same as that of the ditch and ditch spillway gap 9, the ditch and pool spillway gap 10 is arranged at the opposite end of the ditch and ditch spillway gap 9, namely the two spillway gaps are arranged in a staggered way; the bottom of the fish manure settling ditch 1 consists of a flat bottom section of 0.5m and a slope section of 25-30 degrees, and the water inlet pipe 7 is arranged at the upper end of the side wall of the slope section; the fish manure extraction system comprises a bidirectional driver, a guide rail 14, rollers 13, a submersible sewage pump 11, a pipeline 12 and a conveying water tank 8, wherein the bidirectional driver and the guide rail 14 are arranged at the top end of the side wall of the fish manure settling ditch 1, the bidirectional driver drives the rollers 13 to roll on the guide rail 14, the submersible sewage pump 11 is arranged in the upper area of a flat bottom section, the outlet of the submersible sewage pump 11 is connected with the pipeline 12, the pipeline 12 is connected onto the rollers 13, the outlet of the pipeline 12 is arranged in the conveying water tank 8, the conveying water tank 8 is arranged on the outer side surface of the side wall of the fish manure settling ditch 1, and the outlet of the conveying water tank 8 is communicated with the fixed separator 6.

When the utility model is implemented, the area of the tail water purification tank 3 is 8-10% of the area of the aquaculture pond, and the aquatic plants planted at the bottom of the tank are sowthistle or hydrilla verticillata. The ozone device of the disinfection aeration ditch 3 is arranged in the area near the ditch overflow gap 9, the aeration device is an aeration pipe, and the aeration pipe is provided with an air compressor.

The fish manure collecting tank 4 of the utility model is a cement tank with a rectangular brick-concrete structure, the specification is 5-6m multiplied by 4m multiplied by 1-2m, and the interior is divided into three grids. The separation liquid collecting tank 5 is a cement tank with a rectangular brick-concrete structure, and the specification is 5-6m multiplied by 4m multiplied by 3-4 m.

The utility model discloses a guide rail is the I-steel, and the I-steel sets up along fish dung subsides lateral wall upper end of ditch 1, and length is the same with fish dung subsides ditch 1's length, and gyro wheel 13 rolls in the recess that the I-steel formed, stealthily dirty pump is cutting formula stealthily dirty pump, and two-way driver can sample small-size two-way rope winding engine, pneumatic cylinder or pneumatic cylinder, and cutting formula stealthily dirty pump bottom can set up the flat section roll of following in the fish dung subsider of universal pulley, and solid-liquid separation machine is 3kw15-25m ³ The inclined screen solid-liquid separator with the treatment capacity per hour is arranged on one side of the fish manure settling ditch.

The utility model discloses when specifically using, pond culture tail water flows in the fish manure through the inlet tube and subsides the ditch, makes the fish manure subside at the bottom of the ditch through aquatic plant root systems such as buffering bolting-silk pocket and water hyacinth, and the rethread fish manure extraction system is carried the fish manure to solid-liquid separation machine separation fish manure to fish manure collecting pit fermentation and is made bio-fertilizer, and the tail water of separation flows in the separation liquid collecting pit and takes back in the fish manure subsides the ditch again. The tail water of the fish dung sedimentation ditch flows into the disinfection aeration ditch through the ditch overflow port, and flows into the tail water purification tank through the ditch tank overflow port after being disinfected, oxygenated and aerated by ozone. The method is characterized in that aquatic plants are planted at the bottom of a tail water purification pool, 300 tails of silver carps, 100 tails of bighead carps, 5 tails of carps, 200 tails of crucians, 300 tails of crucians, 500 tails of clarias fuscus and 10000 plus materials of 15-day-old field snail seedlings or lycopodium clavatum seedlings are bred in the tail water purification pool per mu, 500 individual mussels with the weight of 3-5g per mu are bred in the tail water purification pool per mu in a hanging mode, and the aquatic plants, the fishes and the conchs absorb nutrition in the tail water to grow, so that the tail water is purified and bred.

Claims

1. The utility model provides a pond culture tail water purification facility which characterized in that: the fish dung sedimentation ditch is communicated with a main drainage pipe of a pond, a ditch overflow port communicated with the disinfection aeration ditch is arranged at the upper end of the fish dung sedimentation ditch, a ditch pond overflow port communicated with the tail water purification pond is arranged at the upper end of the disinfection aeration ditch, ozone equipment and aeration equipment are arranged in the disinfection aeration ditch, and aquatic plants, cultured fish and mussels are planted in the tail water purification pond; the fish manure settling ditch is provided with a fish manure extraction system, the settled fish manure is conveyed to the solid-liquid separator through the fish manure extraction system, a fish manure outlet of the solid-liquid separator is communicated with the fish manure collecting pool, and tail water of the solid-liquid separator flows into the fish manure settling ditch again.

2. The pond culture tail water purification facility of claim 1, wherein: the bottom of the fish manure settling ditch consists of a flat bottom section of 0.5m and a slope section of 25-30 ℃; the fish manure extraction system comprises a bidirectional driver, a guide rail, rollers, a submersible sewage pump, a pipeline and a conveying water tank, wherein the bidirectional driver and the guide rail are arranged at the top end of the side wall of the fish manure settling ditch, the bidirectional driver drives the rollers to roll on the guide rail, the submersible sewage pump is arranged in an area above a flat bottom section, an outlet of the submersible sewage pump is connected with the pipeline, the pipeline is connected onto the rollers, an outlet of the pipeline is arranged in the conveying water tank, the conveying water tank is arranged on the outer side surface of the side wall of the fish manure settling ditch, and an outlet of the conveying water tank is communicated with a solid-liquid separator.

3. The pond culture tail water purification facility of claim 1, wherein: the fish manure settling ditch is provided with a water inlet pipe, the water inlet pipe is communicated with a main drain pipe, a pipe orifice of the water inlet pipe is provided with a 20-mesh buffering bolting silk mesh bag with the length of two meters, and aquatic plants with developed root systems are planted on the water surface of the fish manure settling ditch.

4. The pond culture tail water purification facility of claim 1, wherein: the area of the tail water purification tank is 8-10% of the area of the aquaculture pond, and the aquatic plants planted at the bottom of the tank are sowthistle herbs or hydrilla verticillata.