CN204090787U - A kind of close recirculation system culturing pool Full automatic timing blowdown apparatus - Google Patents

Abstract

The utility model relates to a fully automatic timing sewage discharge device for a culture pond of a closed circulating water system, comprising a culture pond, a circulating water supply pipe and a drain pipe in the culture pond, and a sewage discharge pond next to the culture pond. Sewage tank, the bottom of the sewage collection tank is provided with a sewage discharge pipe, one end of the sewage discharge pipe is connected with the sewage collection tank, and the other end extends to the outside of the breeding pond and forms an inverted U-shaped pipe to communicate with the sewage discharge tank, and the highest point of the inverted U-shaped pipe is also connected There are vacuum breaking tubes and vacuum pipelines, the vacuum breaking tubes extend into the breeding pond, and the vacuum pipelines are connected with a vacuum pump controlled by a computer program. The utility model utilizes the siphon phenomenon to realize the automatic sewage discharge of the breeding pond, has the protection function of anti-drainage, and effectively solves the problems of time-consuming and laborious sewage discharge of the breeding pond and the existing accidental emptying.

Description

A fully automatic timing sewage discharge device for a closed circulating water system breeding pond

technical field

The utility model relates to an industrialized closed circulation aquaculture facility, in particular to a fully automatic timing sewage discharge device for a closed circulation water system aquaculture pond.

Background technique

The closed circulation aquaculture system is the representative of the current international advanced aquaculture mode, and it is also the main direction of the future development of the aquaculture industry, which has attracted the attention of the world. my country's land-based industrial fish farming started relatively late, with relatively low levels of technical equipment and automation control. After years of development, my country's closed industrial recirculating aquaculture has reached a certain scale. As of 2013, the area of industrial recirculating aquaculture Nearly 400,000 m2, with a rapid development momentum. However, according to the follow-up investigation on the development and operation of domestic circulating water system equipment, it is found that my country's closed circulating aquaculture system still has a low degree of automation, and problems such as system stability, reliability, and economy need to be improved urgently; among them The problem of timing sewage discharge in the culture pond of the closed circulating water system is one of the problems with low degree of automation. According to the requirements of the aquaculture process of the circulating water system, the general aquaculture pond needs to discharge sewage 2-3 times or multiple times a day. At present, this operation is all done manually, and there are problems such as labor-intensive, labor-intensive, time-consuming, and irregular operations. For large-scale recirculating aquaculture enterprises, there are hundreds or even thousands of aquaculture ponds. Due to the large number of aquaculture ponds, the sewage discharge of each aquaculture pond needs to be manually inserted and unplugged, which may easily cause omissions or large differences in the amount of discharged water. Disadvantages such as production accidents such as the improper placement of pipes that cause the water in the culture pond to be completely drained and the fish to die due to water dryness need to be solved urgently.

Utility model content

The main purpose of the utility model is to solve the above-mentioned problems and deficiencies, and provide a fully automatic timing sewage discharge device for aquaculture ponds in a closed circulating water system. Empty and other problems, and greatly reduce manual operations, improve work efficiency and ensure production safety.

For realizing the above object, the technical scheme of the utility model is:

A fully automatic timing sewage discharge device for a culture pond of a closed circulating water system, comprising a culture pond, a circulating water supply pipe and a drain pipe located in the culture pond, and a sewage discharge pond located next to the cultivation pond, the bottom of the cultivation pond is concave to form a sewage collection pool , the bottom of the sewage collection tank is provided with a sewage discharge pipe, one end of the sewage discharge pipe is connected with the sewage collection tank, and extends outward from the sewage collection tank to the outside of the culture pond, and is bent into a section of inverted U-shaped pipe on the outside of the culture pond, The outlet of the inverted U-shaped pipe is connected to the sewage tank, and the highest point of the inverted U-shaped pipe is also connected with a vacuum breaking pipe and a vacuum pipeline. The vacuum breaking pipe extends into the culture pond, and the vacuum pipeline is connected with a vacuum pump controlled by a computer program.

In the above technical scheme, the sunken sewage collection pool collects the residual bait and feces in the breeding pond. After the time set by the computer program is reached, the vacuum pump controlled by the computer program will automatically start running for a short time, so that the vacuum pipeline will generate Negative pressure, pumping out the closed air in the sewage pipe to form a closed water flow in the sewage pipe, because the water head difference inside and outside the breeding pond forms a water flow, sucking away the residual bait and feces, and at the same time, the height of the water level drop in the breeding pond will be extended to the breeding through adjustment The height of the nozzle of the vacuum breaking pipe in the pool is controlled. When the water level is lower than the nozzle of the vacuum breaking pipe, the air is sucked into the vacuum breaking pipe to generate vacuum breaking, and the drainage is automatically stopped.

Further, the water inlet of the drainage pipe is located in the center of the culture pond, and its pipe body extends downward to the bottom of the culture pond, and extends from the bottom of the culture pond to the outside of the culture pond, through an inverted U-shaped water level control pipe and the main circuit. Water pipes are connected. The aquaculture water enters the total return water pipeline from the drainage pipe and water level control pipe in the aquaculture pond, and after biological purification treatment, it enters the aquaculture pond from the circulating water supply pipeline to form a closed circulating aquaculture.

Further, a grid plate of the sewage pool is arranged above the sewage pool, the shape of the grid plate of the sewage pool matches the sewage pool, and it can be completely covered on the top of the sewage pool to prevent the The cultured organisms in the water are drained away.

Further, the middle bottom of the sewage tank is provided with an upwardly protruding partition, and the partition divides the sewage tank into two parts, one part is connected with an inverted U-shaped pipe, and the bottom of the other part is provided with an external sewage pipe. The height of the partition is lower than The outer wall of the sewage tank. The existence of the next door makes the part connected with the inverted U-shaped pipe always retain a certain water body. When the vacuum pump is working, the sewage pipe is easy to form a vacuum, which is convenient for the water body in the culture pond to be drawn out.

In summary, the advantages of the present invention are:

1. The computer program is used to control the timing of sewage discharge, and the process method is concise and reasonable.

2. Reduce manual operation and improve work efficiency.

3. Using the siphon principle generated by the water level difference to drain water, the drainage process can save energy and control the water level accurately.

4. The design of the vacuum breaker ensures the safety of the system operation and avoids the accidental emptying of the breeding pond.

5. The cost of the equipment is low, and the discharge time can be set by the computer program according to the process requirements and the discharge water can be controlled by the water level of the breeding pond.

Description of drawings

The plane view of the fully automatic timing sewage discharge device of the culture pond of Fig. 1 closed circulating water system;

Fig. 2 is the A-A plane sectional view of Fig. 1;

As shown in the figure: 1. Breeding pond 2. Circulating water supply pipe 3. Drainage pipe 4. Sewage tank 5. Water level control pipe 6. Sewage collection tank grid plate 7. Sewage collection tank 8. Sewage discharge pipe 81. Inverted U-shaped Pipe 9. Vacuum breaking pipe 10. Vacuum pipe 11. Outer sewage pipe 12. Next door.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Shown in conjunction with Fig. 1 and Fig. 2, a kind of fully automatic timed sewage discharge device of culture pond of closed circulating water system, comprises culture pond 1, is positioned at the circulation water supply pipeline 2 and drainage pipe 3 in culture pond 1, and is positioned at culture pond 1 side Sewage tank 4, the bottom surface of this culture pond 1 is sunken to form sewage collection pool 7, sewage collection pool 7 is similar to basin shape, and its bottom is provided with blowdown pipe 8, and one end of described sewage discharge pipe 8 communicates with sewage collection pond 7, And extend outwards to the outside of culture pond 1 from sewage collection pool 7, bend into a section of inverted U-shaped pipe 81 on the outside of culture pond 1, the outlet of this inverted U-shaped pipe 81 is connected to sewage tank 4, in inverted U-shaped The highest point of the pipe 81 is also connected with a vacuum breaking pipe 9 and a vacuum pipe 10. The vacuum pipe 10 is connected with a vacuum pump controlled by a computer program to suck the air in the sewage pipe 8 to form a closed water flow and produce a siphon effect. 9 extends into the culture pond 1, and is mainly used to control the drainage water level height in the culture pond 1. Usually, the mouth of the vacuum breaking pipe 9 is lower than the normal water level line. When the drain pipe 8 works, the water level in the culture pond 1 keeps dropping Finally, the mouth of the vacuum breaking pipe 9 is exposed, and the vacuum in the drain pipe 8 is broken, and the drainage is automatically stopped.

The water inlet of described drainage pipe 3 is positioned at the center of culture pond 1, and for optimizing drainage effect, a plurality of anti-blocking side holes can be set at its water inlet, and pipe body is arranged as vertical shape, extends to culture pond 1 bottom, Extend outward from the bottom of the culture pond 1 to the outside of the culture pond 1, and connect to the main water return pipe through a section of inverted U-shaped water level control pipe 5. The water in the general water return pipe passes through the circulating water supply pipe 2 after biological purification Flow back into the culture pond 1 to realize closed circulation.

In order to prevent the aquaculture organisms in the water from being discharged during the sewage discharge process, a sewage collection tank grid plate 6 is arranged above the sewage collection tank 7. The shape of the sewage collection tank grid plate 6 matches the sewage collection tank 7 and can be completely covered. Above the sewage collection tank 7, to prevent aquatic organisms from entering the sewage discharge tank 7, the grid hole size of the sewage collection tank grid plate 6 should meet the requirement that the aquatic organisms cultured cannot pass through.

The middle bottom of the sewage tank 4 is provided with an upwardly protruding partition 12, and the partition 12 divides the sewage tank 4 into two parts, one part is connected with the inverted U-shaped pipe 81, and the bottom of the other part is provided with an outer sewage pipe 11. The partition The height of 12 is lower than the outer wall of blowdown pond 4, makes current flow through above it. The existence of next door 12 makes the part that is connected with inverted U-shaped pipe 81 keep certain water body all the time, and when vacuum pump works, blowdown pipe 8 is easy to form vacuum, conveniently draws out the water body in culture pond 1.

Above-mentioned each drainage and water delivery pipeline can increase electromagnetic valve according to actual application situation, for the closed circulation aquaculture that has a plurality of cultivation ponds 1, can connect the vacuum pipe 10 of each cultivation pond 1 to the general pipeline of vacuum pump, and in each Electromagnetic valves are added on each vacuum pipe 10 and controlled by a computer, so that each culture pond 1 automatically realizes centralized or separate sewage discharge according to the set time and frequency.

The working process of the present utility model is as follows: 1. water circulation process, the water body in the cultivation pond 1 flows into the total return pipe through the drain pipe 3 and the water level control pipe 5, and after biological purification treatment, it flows back to the cultivation pond through the circulating water supply pipeline 2 1, to achieve a closed water cycle. 2. In the process of automatic sewage discharge, the residual bait and feces in the breeding pond 1 are collected in the sewage collection pond 7, and the computer program automatically controls the vacuum pump to start and run for a short time according to the set time, so that the vacuum pipeline 10 generates negative pressure. The closed air in the sewage pipe 8 is taken out to form a closed water flow. Because the water level difference inside and outside the culture pond 1 forms a siphon phenomenon, the residual bait and feces are sucked away and removed. When the water level in the culture pond 1 drops to the nozzle of the vacuum breaking pipe 9 At this time, air enters the vacuum breaking pipe 9, and then destroys the vacuum in the sewage pipe 8, so that the siphon effect stops, and the sewage discharge process ends.

As mentioned above, a similar technical solution can be derived in combination with the solutions presented in the drawings and the embodiments. However, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model without departing from the content of the technical solution of the utility model still belong to the scope of the technical solution of the utility model.

Claims (4)

1. a close recirculation system culturing pool Full automatic timing blowdown apparatus, comprise culturing pool (1), be positioned at cycle water water supply line (2) and the drainpipe (3) of culturing pool (1), and be positioned at the other pollution discharge pond (4) of culturing pool (1), the recessed formation dirty pond of collection (7) in bottom surface of this culturing pool (1), collect bottom, dirty pond (7) and be provided with blow-off pipe (8), it is characterized in that: one end of described blow-off pipe (8) is communicated with the dirty pond of collection (7), and the outside of culturing pool (1) is extended out to by the dirty pond of collection (7), one section of inverted-loop tube (81) is bent in the outside of culturing pool (1), the outlet pollution discharge pond (4) of this inverted-loop tube (81), vacuum breaking pipe (9) and vacuum pipe (10) is also connected with at the highest point of inverted-loop tube (81), vacuum breaking pipe (9) extends in culturing pool (1), the vavuum pump that vacuum pipe (10) and computer program control is connected.

2. a kind of close recirculation system culturing pool Full automatic timing blowdown apparatus according to claim 1, it is characterized in that: the water inlet of described drainpipe (3) is positioned at the center of culturing pool (1), its body extends downward culturing pool (1) bottom, and culturing pool (1) outside is extended to from the bottom of culturing pool (1), be connected with total return pipe by one section of inverted U-shaped water level control pipe (5).

3. a kind of close recirculation system culturing pool Full automatic timing blowdown apparatus according to claim 1, it is characterized in that: top, the dirty pond of described collection (7) is provided with collection dirty pond flase floor (6), the shape in described collection dirty pond flase floor (6) matches with the dirty pond of collection (7), and can collect top, dirty pond (7) by cover cap completely.

4. a kind of close recirculation system culturing pool Full automatic timing blowdown apparatus according to claim 1, it is characterized in that: the central bottom of described pollution discharge pond (4) is provided with next door (12) upwardly, pollution discharge pond (4) is divided into two parts by next door (12), a part and inverted-loop tube (81) are connected, be provided with outer blow-off pipe (11) bottom another part, the height of described next door (12) is lower than the outer wall of pollution discharge pond (4).