CN217136503U

CN217136503U - Internal reflux fish manure separation and removal system

Info

Publication number: CN217136503U
Application number: CN202220862559.5U
Authority: CN
Inventors: 章程宏; 马原
Original assignee: Anhui Jiuhe Linfeng Ecological Agricultural Technology Development Co ltd; Anhui Jiuhe Jinhang Technology Co ltd
Current assignee: Anhui Jiuhe Linfeng Ecological Agricultural Technology Development Co ltd; Anhui Jiuhe Jinhang Technology Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-08-09
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses an internal reflux fish manure separation and removal system, which comprises a culture tank, a sedimentation tank and a microfilter which are connected in sequence along the fluid flow direction, and the microfilter is communicated with the supernatant of the sedimentation tank through a communication pipe; The backwash discharge port of the microfilter is connected with the backwash return pipe and the backwash discharge pipe, and the backwash return pipe and the backwash discharge pipe are selectively opened, and the water outlet of the backwash return pipe is connected with the sedimentation tank. The utility model adds a sedimentation bucket between the culture pond and the microfilter, so that the bottom effluent of the culture tank can be pre-precipitated before entering the microfilter, thereby reducing the pollution amount of large particles entering the microfilter, thereby reducing the number of backwashes; At the same time, during normal operation, the third communication valve and the first communication valve are closed, and the second communication valve is opened. When the microfilter automatically runs backwash, the backwash water is mixed with the effluent from the bottom of the culture tank and enters the sedimentation tank to remove large particles. Pollutant substances, realizing the repeated use of backwash water.

Description

Internal reflux fish manure separation and removal system

Technical Field

The utility model relates to an aquaculture field specifically is an internal reflux fish excrement separation and removal system.

Background

At present, in an industrial circulating water aquaculture system, the wastewater discharged from an aquaculture pond is subjected to microfiltration treatment in the first step generally, large-particle pollutants (mainly excrement of aquaculture objects such as fish, shrimp and the like) in a water body are removed, more than 70% of organic pollutants can be effectively removed by a microfiltration machine, and the industrial circulating water aquaculture system is very common in application field. The micro-filtration machine filters pollutants in a water body by utilizing the filter screen through a physical method, after the micro-filtration machine works for a period of time, large-particle pollution which cannot pass through the filter screen stays on the surface of the filter screen to block the filter screen, so that effective work of the micro-filtration machine can be influenced, the passing speed of filtered water is reduced to cause the water level of a front bin of the micro-filtration machine to rise, the micro-filtration machine automatically utilizes the back washing nozzle arranged on the upper part of the filter screen to wash the filter screen after triggering the water level sensor, and the washed water is discharged out of the system through the water outlet. Because the back flush needs to be carried out for a period of time, also have a certain amount of water to run off the system when fully rinsing the filter screen, if the backwash water volume is big under the relatively poor condition of quality of water, the system water loss will very big cause certain water waste, the back flush needs certain power consumption to drive the back flush water pump simultaneously to have certain impact to the filter screen simultaneously, frequent back flush will certainly influence the life-span of microstrainer, can be relatively uneconomical in the energy consumption simultaneously, consequently wait for the solution urgently.

Disclosure of Invention

In order to avoid and overcome the technical problem who exists among the prior art, the utility model provides an internal reflux fish excrement separation gets rid of system. The utility model discloses practiced thrift the water resource and improved microstrainer life-span, economic environmental protection by a wide margin.

In order to achieve the above object, the utility model provides a following technical scheme:

an internal reflux fish manure separation and removal system comprises a culture pond, a sedimentation barrel and a micro-filter which are sequentially communicated along the flowing direction of a fluid, wherein the micro-filter is communicated with the supernatant of the sedimentation barrel through a communicating pipe;

and a back-washing discharge port of the micro-filter is communicated with a back-washing return pipe and a back-washing discharge pipe, the back-washing return pipe and the back-washing discharge pipe are alternatively opened, and a water outlet of the back-washing return pipe is communicated with the sedimentation barrel.

As a further aspect of the present invention: the bottom of the culture pond is provided with a bottom water outlet pipe communicated with the sedimentation barrel, and the top of the culture pond is provided with a top water outlet pipe communicated with the micro-filter.

As a further aspect of the present invention: the pipe body of the top water outlet pipe is provided with a first one-way valve, and the pipe body of the bottom water outlet pipe is provided with a second one-way valve.

As a further aspect of the present invention: and a third one-way valve is arranged on the pipe body of the communicating pipe.

As a further aspect of the present invention: the bottom of the sedimentation barrel is provided with a sludge discharge pipe, and the sludge discharge pipe is provided with a first communicating valve.

As a further aspect of the present invention: and a second communicating valve and a third communicating valve are respectively arranged on the back washing return pipe and the back washing discharge pipe to control the flow direction of water flow.

As a further aspect of the present invention: the filtered material of the micro-filter enters a subsequent biochemical system through a discharge pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model adds a sedimentation barrel between the culture pond and the micro-filter, so that the bottom effluent of the culture pond can be pre-sedimentated before entering the micro-filter, thereby reducing the large particle pollution entering the micro-filter and reducing the back washing times; meanwhile, in the normal operation process, the third communicating valve and the first communicating valve are closed, the second communicating valve is opened, when the micro-filtration machine automatically operates for backwashing, backwashing water is mixed with the effluent at the bottom of the culture pond through the backwashing return pipe and enters the precipitation barrel, and then large-particle pollutants are naturally precipitated and removed in the precipitation barrel, so that the reuse of backwashing water is realized, the water resource is saved, the service life of the micro-filtration machine is prolonged, and the micro-filtration machine is economical and environment-friendly.

2. The utility model discloses a breed pond has adopted the two-way play water of top and bottom, and the supernatant of cell body can directly be arranged toward the microstrainer, and the water that the cell body bottom is rich in large granule pollutant then arranges toward the microstrainer after deposiing through the setting vat earlier, has reduced the large granule pollutant content that directly gets into the microstrainer, has reduced the back flush number of times, has improved the life of microstrainer.

3. The arrangement of the check valves in the utility model avoids the generation of backflow or flow state disorder; when the sludge deposition at the bottom of the sedimentation barrel is excessive, when the sludge position rises, the sludge can be discharged by opening the first communicating valve, and the sludge is subjected to compost collecting and harmless treatment, so that the method is economical and environment-friendly.

Drawings

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

In the figure:

1. a culture pond; 11. a top water outlet pipe; 111. a first check valve;

12. a bottom water outlet pipe; 121. a second one-way valve;

2. a settling barrel; 21. a communicating pipe; 211. a third check valve;

22. a sludge discharge pipe; 221. a first communication valve;

3. a micro-filter; 31. a backwash return pipe; 311. a second communicating valve;

32. backwashing the discharge pipe; 321. a third communicating valve; 33. and (4) discharging the water.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, an internal reflux fish-dung separating and removing system includes a culture pond 1, a sedimentation tank 2 and a micro-filter 3 sequentially arranged along a fluid flowing direction, a bottom water outlet pipe 12 is disposed at the bottom of the culture pond 1 so as to communicate with the sedimentation tank 2, and a second check valve 121 is disposed on the bottom water outlet pipe 12 to prevent reflux.

The top of the culture pond 1 is provided with a top water outlet pipe 11, and the top water outlet pipe 11 corresponds to the position of the supernatant of the culture pond 1 and is directly communicated with the micro-filter 3. A first one-way valve 111 is provided on top outlet pipe 11 to prevent backflow.

The top of the sedimentation barrel 2 is provided with a communicating pipe 21, the communicating pipe 21 corresponds to the supernatant of the sedimentation barrel 2, and the sedimentation barrel 2 and the micro-filter 3 are communicated through the communicating pipe 21. The communication pipe 21 is provided with a third check valve 211 to prevent backflow.

The bottom of the sedimentation barrel 2 is provided with a sludge discharge pipe 22 for discharging sludge, and the sludge discharge pipe 22 is provided with a first communication valve 221 for controlling the opening and closing of the discharge pipe.

A back flush return pipe 31 and a back flush discharge pipe 32 are arranged in parallel at the back flush discharge port of the micro-filter 3, wherein the back flush return pipe 31 is directly communicated with the sedimentation barrel 2. The back washing return pipe 31 is provided with a second communicating valve 311 to control the opening and closing of the pipe, and the back washing discharge pipe 32 is provided with a third communicating valve 321 to control the opening and closing of the pipe.

The filtrate of the microfilter 3 is led to the subsequent biochemical system through the discharge pipe 33.

During operation, the existence of second check valve 121 for breed pond 1 bottom is gone out water and is one-way to get into sedimentation bucket 2, avoids backward flow or flow state disorder.

In the normal operation process, the third communicating valve 321 and the first communicating valve 221 are closed, the second communicating valve 311 is opened, and when the micro-filter 3 automatically operates for backwashing, backwashing water and the outlet water at the bottom of the culture pond 1 are mixed and enter the sedimentation barrel 2 to remove large-particle pollutants.

When the sludge deposition at the bottom of the sedimentation barrel 2 is excessive, the sludge position rises, and at the moment, the first communicating valve 221 is opened to discharge the sludge and collect compost for harmless treatment.

When the back washing return pipe 31 needs to be overhauled or the sedimentation barrel works abnormally, the third communicating valve 321 is opened and the second communicating valve 311 is closed, so that the back washing water is directly discharged out of the system.

The foregoing describes the general principles of the present application in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present application are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present application. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the foregoing disclosure is not intended to be exhaustive or to limit the disclosure to the precise details disclosed.

The block diagrams of devices, apparatuses, systems referred to in this application are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".

It should also be noted that in the devices, apparatuses, and methods of the present application, the components or steps may be decomposed and/or recombined. These decompositions and/or recombinations are to be considered as equivalents of the present application.

The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the application to the form disclosed herein. While a number of example aspects and embodiments have been discussed above, those of skill in the art will recognize certain variations, modifications, alterations, additions and sub-combinations thereof.

Claims

1. An internal reflux fish manure separating and removing system is characterized by comprising a culture pond (1), a sedimentation barrel (2) and a micro-filter (3) which are sequentially communicated along the fluid flowing direction, wherein the micro-filter (3) is communicated with the supernatant of the sedimentation barrel (2) through a communicating pipe (21);

the back-washing discharge port of the micro-filter (3) is communicated with the back-washing return pipe (31) and the back-washing discharge pipe (32), one of the back-washing return pipe (31) and the back-washing discharge pipe (32) is opened, and the water outlet of the back-washing return pipe (31) is communicated with the sedimentation barrel (2).

2. The system for separating and removing the internal reflux fish manure as claimed in claim 1, wherein a bottom water outlet pipe (12) communicated with the sedimentation barrel (2) is arranged at the bottom of the culture pond (1), and a top water outlet pipe (11) communicated with the micro-filter (3) is arranged at the top of the culture pond (1).

3. The system for separating and removing fish dung through internal reflux as claimed in claim 2, wherein a first one-way valve (111) is arranged on the pipe body of the top water outlet pipe (11), and a second one-way valve (121) is arranged on the pipe body of the bottom water outlet pipe (12).

4. An internal reflux fish dung separating and removing system as claimed in any one of claims 1 to 3, wherein a third one-way valve (211) is arranged on the body of the communicating pipe (21).

5. The system for separating and removing fish and excrement with internal reflux as claimed in any one of claims 1-3, wherein a sludge discharge pipe (22) is arranged at the bottom of said settling tank (2), and a first communication valve (221) is arranged on said sludge discharge pipe (22).

6. An internal reflux fish-dung separating and removing system as claimed in any one of claims 1 to 3, wherein the back-flushing reflux pipe (31) and the back-flushing discharge pipe (32) are respectively provided with a second communicating valve (311) and a third communicating valve (321) for controlling the water flow direction.

7. An internal reflux fish dung separating and removing system as claimed in any one of the claims 1 to 3, wherein the filtrate of the micro-filter (3) is led to a subsequent biochemical system through a discharge pipe (33).