CN211445393U

CN211445393U - Water flow circulating system

Info

Publication number: CN211445393U
Application number: CN201922302551.4U
Authority: CN
Inventors: 胡龙洋; 马达; 张力
Original assignee: Wuhan United Fishing Machinery Equipment Co ltd
Current assignee: Wuhan United Fishing Machinery Equipment Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-08
Anticipated expiration: 2029-12-19

Abstract

The utility model relates to a water flow circulating system, which comprises a culture pond, a first sedimentation device, an adjusting device and a water flow channel, wherein the culture pond, the first sedimentation device and the adjusting device are mutually communicated through the water flow channel; the adjusting device comprises a purifying mechanism and a constant temperature mechanism, the culture tail water enters the first sedimentation device from the culture pond through the water flow channel, and the first sedimentation device separates the culture tail water into supernatant and solid waste; the supernatant enters the regulating device through a water flow channel, is purified into harmless liquid by the purification mechanism, and is heated to a constant temperature by the constant temperature mechanism; and after the supernatant is heated to a constant temperature, the supernatant flows back to the culture pond for recycling.

Description

Water flow circulating system

Technical Field

The utility model relates to a breed the water field, especially relate to a water circulation system.

Background

In the fish farming industry, raw water used in fish farming is usually contaminated with impurities such as fish excreta, derived microorganisms, and ingested food, and a tail water is generated. If directly discharge the breed tail water and go, probably cause the pollution of environment, so present aquaculture mostly will carry out purification treatment to the breed tail water, discharge the breed tail water of polluted environment after the processing again, or retrieve and water the plant. However, the treatment method does not form a closed-loop circulating system, and the recycling rate is not high.

SUMMERY OF THE UTILITY MODEL

For overcoming the problem that the recycling rate of the tail water is not high, the utility model provides a water flow circulating system.

The technical scheme of the utility model for solving the technical problems is to provide a water flow circulation system, which comprises a culture pond, a first sedimentation device, an adjusting device and a water flow channel 70, wherein the culture pond, the first sedimentation device and the adjusting device are mutually communicated through the water flow channel 70; the adjusting device comprises a purifying mechanism and a constant temperature mechanism, the culture tail water enters the first precipitation device from the culture pond through the water flow channel 70, and the first precipitation device separates the culture tail water into supernatant and solid waste through solid-liquid separation; the supernatant enters the adjusting device through a water flow channel 70, is purified into harmless liquid by the purification mechanism, and is heated to a set temperature through the constant temperature mechanism; and after the supernatant is heated to a set temperature, the supernatant flows back to the culture pond for recycling.

Compared with the prior art, the utility model provides a water circulation system has following advantage:

through the whole water circulation system of rivers passageway 70 intercommunication for breed tail water can directly get back to and breed the pond after handling, and set up constant temperature equipment on adjusting device gets back to the rivers passageway 70 of breeding pond department, makes the breed tail water of retrieving directly enter into and breed in the pond with invariable temperature. Other treatments are not needed, and the loss caused in the other treatment processes is avoided, so that the culture tail water recovery efficiency and recovery rate are improved.

Drawings

Fig. 1 is a schematic block diagram of a water circulation system according to a first embodiment of the present invention;

FIG. 2 is a schematic block diagram of the purging mechanism of FIG. 1;

fig. 3 is a schematic block diagram of a water circulation system according to a second embodiment of the present invention;

fig. 4 is a schematic block diagram of a water flow circulation system according to a third embodiment of the present invention;

FIG. 5 is a schematic block diagram of the second precipitation device of FIG. 4;

description of reference numerals: 10. a water flow circulation system; 20. a culture pond; 30. a first precipitation device; 40. an adjustment device; 401. a purification mechanism; 403. a constant temperature mechanism; 4011. a reaction tank; 4013. a sterilization assembly; 4015. an ozone generating assembly; 50. a filtration device; 60. a second precipitation device; 601. a sedimentation tank; 603. a dosing assembly; 70. a water flow channel; 501. a filter screen; 6011. a sewage draining outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the present invention provides a water flow circulation system 10 for efficiently recovering cultivation tail water, the water flow circulation system 10 includes a cultivation pond 20, a first sedimentation device 30, an adjustment device 40 and a water flow channel 70, the cultivation pond 20, the first sedimentation device 30 and the adjustment device 40 are communicated with each other through the water flow channel 70, and raw water enters the cultivation pond 20 through the water flow channel 70. The culture pond 20 is used for culturing fish, and removes culture tail water formed after raw water is polluted, and the culture tail water enters the first precipitation device 30 through the water flow channel 70. The first settling device 30 separates the culture tail water into supernatant and solid waste by solid-liquid separation, the solid waste is discharged out of the water flow circulation system 10, and the supernatant enters the adjusting device 40 through the water flow passage 70. The conditioning device 40 sterilizes and heats the supernatant to a constant temperature, so that the supernatant becomes harmless liquid and has a water temperature suitable for cultivation, and finally enters the cultivation pond 20 through the water flow channel 70. Through the water flow circulating system 10, the final recycling rate of the culture tail water flowing out of the culture pond 20 can reach 90% -95%, and the recycling rate is increased.

It should be noted that the water passage 70 may be a sealed pipe or a ditch, as long as it can communicate with the culture pond 20, the first settling device 30 and the adjusting device 40, so that the culture tail water flowing out of the culture pond 20 passes through the first settling device 30 and the adjusting device 40 and finally returns to the culture pond 20.

The supernatant is the liquid left after removing the solid in the culture tail water.

The solid waste is water-insoluble substances in the culture tail water, such as soil, residual bait, culture excrement and the like.

It should be noted that the constant temperature is 10 ℃ to 30 ℃.

Specifically, the adjusting device 40 includes a purifying mechanism 401 and a constant temperature mechanism 403, and the purifying mechanism 401 is used for removing harmful substances in the supernatant, such as harmful microorganisms, excessive ammonia nitrogen concentration, harmful bacteria, and the like in the supernatant, and purifying the supernatant into harmless raw water. The constant temperature mechanism 403 heats and preserves the temperature of the purified supernatant so that the supernatant has a constant temperature after flowing back to the culture pond.

Further, the constant temperature mechanism 403 is a heating resistor, which is disposed on the water flow channel 70 leading to the culture pond 20 from the purification mechanism 401 and/or the adjustment device 40, and after the power is turned on, the constant temperature mechanism 403 generates heat and transfers the heat to the purified supernatant liquid to make the supernatant liquid have a constant temperature.

It should be noted that in the present embodiment, the constant temperature mechanism 403 is uniformly disposed on the inner wall of the water flow channel 70 between the adjusting device 40 and the culture pond 20, and heats the purified supernatant liquid when passing through, so as to maintain the temperature of the purified supernatant liquid when entering the culture pond 20.

It should be noted that, in the present embodiment, the first settling device 30 is a vertical flow settler, and the cultivation tail water has an initial velocity from bottom to top when entering the first settling device 30, and the cultivation tail water is separated into supernatant and solid waste by utilizing the velocity change of the liquid and the solid in the cultivation tail water after being influenced by gravity.

Referring to fig. 2, the purification mechanism 401 includes a reaction tank 4011, a sterilization module 4013 and an ozone generation module 4015, the reaction tank 4011 is respectively communicated with the culture tank 20 and the first sedimentation device 30 through a water flow channel 70, and the supernatant enters the adjustment device 40, i.e., the reaction tank 4011, and the supernatant is denitrified in the reaction tank 4011. The sterilizing component 4013 is an ultraviolet sterilizer, such as a trojan uv3000P us and ZXB-RD150 series pipeline type ultraviolet sterilizer, and the sterilizing component 4013 performs sterilization and disinfection on the supernatant after denitrification is performed in the reaction tank. After the sterilization and disinfection of the sterilization module 4013, the ozone generation module 4015 injects ozone into the supernatant, and after the supernatant stays for 30 minutes, the supernatant is purified into harmless raw water.

It should be noted that the denitrification of the supernatant in the reaction tank 4011 is to utilize nitrifying bacteria to perform nitrification in an aerobic environment, so as to convert nitrogen in the sewage sludge into nitrate and nitrite, and then perform denitrification reaction on the denitrifying bacteria under an anoxic condition, so as to convert the nitrate and nitrite nitrogen into nitrogen, so as to achieve the purpose of denitrification.

It should be noted that the ozone generating module 4015 includes a jet pump for injecting ozone and a degassing tower for separating residual gas in the supernatant from the supernatant 30 minutes after the ozone is injected.

Note that, 30 minutes after the ozone was injected into the supernatant, the residual gas in the supernatant was carbon dioxide.

It should be noted that a jet pump is a device that uses a jet of working fluid to deliver fluid, and is generally used in combination with other pumps. The jet pump is called ejector, jet pump, etc. according to whether the working medium and the transported fluid medium are liquid or gas, but its structure and working principle are basically the same. The degasser is also called as a carbon remover and has the following action principle: the degasser (decarbonizer) is a device for blowing free carbon dioxide in water by the wind force of a fan.

Referring to fig. 3, the water circulation system 10 further includes a filtering device 50, the filtering device 50 is disposed between the first settling device 30 and the adjusting device 40, and the filtering device 50 is respectively connected to the first settling device and the adjusting device 40 through a water passage 70.

Specifically, the filtering device 50 is communicated with the reaction tank 4011 of the adjusting device 40 through the water flow channel 70, and after the culture tail water is separated into the supernatant and the solid waste by the first settling device 30, fine solid suspended particles may also exist in the supernatant, and since the volume of the solid suspended particles is fine, the solid suspended particles are not precipitated together with the solid waste and then are discharged, but enter the reaction tank 4011 of the adjusting device 40 together with the supernatant through the water flow channel 70. By providing the filtering device 50, the supernatant can be filtered again to block fine suspended solid particles in the supernatant, so that the supernatant flowing into the reaction cell 4011 is liquid only.

The filtering device 50 is a holding tank, a filtering net 501 is arranged at the water inlet of the holding tank, and when the supernatant passes through the filtering device 50, the solid suspended particles are blocked by the filtering net 501.

Referring to fig. 4, the water circulation system 10 further includes a second sedimentation device 60, the second sedimentation device 60 is communicated with the cultivation pond 20 through a water passage 70, and the raw water firstly passes through the second sedimentation device 60, is sedimentated and decontaminated in the second sedimentation device 60, and then enters the cultivation pond 20.

Specifically, the second sedimentation device 60 comprises a sedimentation tank 601 and a dosing assembly 603, the sedimentation tank 601 is communicated with the culture pond 20 through a water flow channel 70, and after raw water enters the sedimentation tank 601, the dosing assembly 603 injects a coagulant into the sedimentation tank 601. After entering the sedimentation tank 601, the coagulant undergoes flocculation reaction with the culture tail water, i.e., impurities such as solid floating particles suspended in raw water are adsorbed and polymerized to form sediment, and then the sediment sinks under the action of gravity, so that the sediment is gathered at the bottom of the sedimentation tank 601. The raw water from which the impurities are removed is introduced into the culture pond 20 through the water flow path 70.

The coagulant is aluminum sulfate, polyaluminum chloride, polyacrylamide, or the like, and preferably, the coagulant used in this embodiment is polyacrylamide.

Further, the sedimentation tank 601 comprises a sewage draining outlet 6011, and when impurities in the raw water form sediments through a flocculation reaction, the impurities can be discharged out of the sedimentation tank 601 through the sewage draining outlet 6011.

Further, a valve (not shown) for controlling the opening or closing of the sewage draining exit is arranged on the sewage draining exit 6011, and the opening or closing of the sewage draining exit is controlled through the valve.

In this embodiment, the chemical adding assembly 603 is a pipeline communicated with the sedimentation tank 601, and a coagulant is injected into the sedimentation tank 601 from the pipeline and performs a flocculation reaction with raw water.

It can be understood that raw water is a water source introduced from rivers and lakes.

When the water circulation system 10 is used for cultivation, raw water enters the sedimentation tank 601 of the second sedimentation device 60 through the water flow channel 70, and the coagulant is injected into the sedimentation tank 601 by the dosing assembly 603, so that impurities are removed from the raw water through flocculation reaction. The raw water after removing the impurities enters the culture pond 20 through the water flow passage 70, and after the raw water in the culture pond 20 is polluted to generate culture tail water, the raw water is discharged from the culture pond 20 and enters the first precipitation device 30. The first precipitation device 30 performs solid-liquid separation on the culture tail water into supernatant and solid waste, the solid waste is discharged from the first precipitation device 30, and the supernatant enters the filtering device for filtering. The filtered supernatant enters the reaction tank 4011 of the purification mechanism 401, is sterilized by the sterilization module 4013 in the reaction tank 4011, and is injected with ozone through the ozone generation module 4015. After the ozone stays in the supernatant for 30 minutes, the supernatant is evolved into harmless raw water, then is heated by the constant temperature mechanism 403 to be in accordance with the temperature of the water for cultivation, and returns to the cultivation pond 20 through the water flow channel 70.

The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A water flow circulation system characterized by:

the water flow circulating system comprises a culture pond, a first sedimentation device, an adjusting device and a water flow channel, wherein the culture pond, the first sedimentation device and the adjusting device are communicated with each other through the water flow channel; the adjusting device comprises a purifying mechanism and a constant temperature mechanism, the culture tail water enters the first sedimentation device from the culture pond through the water flow channel, and the first sedimentation device separates the culture tail water into supernatant and solid waste; the supernatant enters the regulating device through a water flow channel, is evolved into harmless raw water by the purification mechanism, and is heated to a constant temperature through the constant temperature mechanism; and after the supernatant is heated to a constant temperature, the supernatant flows back to the culture pond for recycling.

2. A water flow circulation system as claimed in claim 1, wherein:

the constant temperature mechanism is a thermal resistor and is arranged on the water flow channel communicated with the culture pond through the adjusting device.

3. A water flow circulation system as claimed in claim 1, wherein:

the purification mechanism comprises a reaction tank, a sterilization component and an ozone generation component, the reaction tank is respectively communicated with the culture tank and the first precipitation device through the water flow channel, and supernatant is denitrified in the reaction tank; the sterilization component is used for sterilizing and disinfecting the supernatant in the reaction tank, and the ozone generation component is used for injecting ozone into the supernatant.

4. A water circulation system as claimed in claim 3, wherein:

the ozone generation assembly comprises a jet pump and a degassing tower, wherein the jet pump injects ozone into the supernatant, and the degassing tower removes residual gas in the supernatant.

5. A water circulation system as claimed in claim 4, wherein:

the degassing tower removes residual gas from the supernatant after the supernatant has been injected with ozone for a minute.

6. A water flow circulation system as claimed in claim 1, wherein:

the water flow circulation system further comprises a filtering device, the filtering device is arranged between the first precipitation device and the adjusting device, and the filtering device is respectively arranged between the first precipitation device and the adjusting device through the water flow channel.

7. A water flow circulation system as claimed in claim 1, wherein:

the water flow circulation system further comprises a second sedimentation device, the second sedimentation device is communicated with the culture pond through the water flow channel, and raw water passes through the second sedimentation device to remove impurities and then enters the culture pond through the water flow channel.

8. A water flow circulation system as claimed in claim 7, wherein:

the second sedimentation device comprises a sedimentation tank and a dosing assembly, and the sedimentation tank is communicated with the culture tank through the water flow channel; and the dosing assembly injects a coagulant into the sedimentation tank, and raw water and the coagulant are subjected to flocculation reaction in the sedimentation tank so as to remove impurities in the raw water.

9. A water flow circulation system as claimed in claim 8, wherein:

the sedimentation tank comprises a sewage discharge outlet, and sediments generated by flocculation reaction of raw water and a flocculating agent in the sedimentation tank are discharged from the sewage discharge outlet.

10. A water flow circulation system as claimed in claim 1, wherein:

the constant temperature is 10-30 ℃.