CN115228852A

CN115228852A - Aquaculture tail water protein separator

Info

Publication number: CN115228852A
Application number: CN202211169221.2A
Authority: CN
Inventors: 张正均; 孙鹏; 苏朋; 苏风青; 张正艳
Original assignee: Shandong Juhengyuan Environmental Protection Technology Co ltd
Current assignee: Shandong Juhengyuan Environmental Protection Technology Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2022-10-25

Abstract

The invention relates to the technical field of aquaculture tail water treatment, in particular to an aquaculture tail water protein separator which comprises a reaction bin, a collecting cup positioned above the reaction bin, an overflow pipe communicated with the reaction bin and positioned in the center of the collecting cup, and an overflow pipe inner wall cleaning device, wherein the overflow pipe inner wall cleaning device comprises a fixed plate, a base, a rotating rod, an annular air bag and a telescopic mechanism; the cylinder I and the annular air bag are connected with an air source system through a multi-channel rotary joint. The invention can clean the inner wall of the overflow pipe, and the cleaned dirt cannot fall into the reaction bin.

Description

Aquaculture tail water protein separator

Technical Field

The invention relates to the technical field of aquaculture tail water treatment, in particular to an aquaculture tail water protein separator.

Background

The seawater culture tail water contains a large amount of organic matters such as protein, and the like, and needs to be treated by a protein separator (also called a foam separator and an egg separator), the existing protein separator can remove the organic matters such as the protein and the like in the tail water before being mineralized into ammoniated substances and other toxic substances, so that the toxic substances are prevented from being accumulated in the water body, necessary dissolved oxygen can be provided for the culture water body, and the method has a good effect on maintaining the ecological environment of the culture water body.

An overflow pipe is arranged above the reaction bin of the protein separator, and the foam with organic impurities flows out of the overflow pipe, enters a collecting cup at the periphery of the overflow pipe and is discharged from a sewage discharge pipe. Because the foam is dirty, the time is of a long time, the inner wall of the overflow pipe is gathered with the dirt layer, and the foam close to the dirt layer can be subjected to resistance in the rising process, so that large-particle dirt can not be smoothly pushed out by the bubbles and returns to the reaction bin, and the separation efficiency is influenced.

The Chinese utility model patent with publication number CN204778895U, entitled "an energy-saving high-efficiency protein separator" discloses an overflow pipe inner side cleaning structure: and a second sprinkling pipe is arranged in the sewage guide pipe (namely the overflow pipe), and the inner wall of the overflow pipe is cleaned through the second sprinkling pipe. The Chinese utility model with publication number of CN213569837U, named as 'a novel protein separator' discloses an inner and outer cleaning mechanism for cleaning an overflow pipe, wherein the inner and outer cleaning mechanism is a rotatable spraying and washing device. The two patent technologies all adopt the spray rinsing mode to wash the inner wall of the overflow pipe, the mode enables the dirt under the spray rinsing to directly enter the reaction bin, and the massive dirt can not be lifted by the foam again and deposited at the bottom of the tank or discharged along with the treated water, so that secondary pollution is caused.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the aquaculture tail water protein separator which can clean the inner wall of the overflow pipe and prevent the cleaned dirt from falling into the reaction bin.

The technical scheme adopted by the invention for solving the technical problems is as follows:

an aquaculture tail water protein separator comprises a reaction bin, a collection cup, an overflow pipe and an overflow pipe inner wall cleaning device, wherein the collection cup is positioned above the reaction bin, the overflow pipe is communicated with the reaction bin and positioned in the center of the collection cup, the overflow pipe inner wall cleaning device comprises a fixed plate, a base, a rotating rod, an annular air bag and a telescopic mechanism, the telescopic mechanism is arranged between the fixed plate and the base, the rotating rod is arranged at the center of the base through a bearing, a motor for driving the rotating rod is arranged on the base, a vertical through hole for placing an air pipe is formed in the center of the rotating rod, an annular groove with an opening at the bottom is formed below the rotating rod, an air cylinder I is arranged in the annular groove, the front end of a piston rod of the air cylinder I is connected with a sliding ring, and the annular air bag is arranged on the sliding ring; the top of the rotating rod is provided with a multi-channel rotating joint, and the air cylinder I and the annular air bag are connected with an air source system through the multi-channel rotating joint; the annular air bag is connected with a deflation electromagnetic valve.

Furthermore, the outer side wall of the annular air bag is provided with a raised annular scraping strip.

Further, the air source system comprises an air pump, an air cylinder electromagnetic valve and an air bag inflation electromagnetic valve, the air pump is connected with the air cylinder electromagnetic valve and the air bag inflation electromagnetic valve through switch electromagnetic valves respectively, the air cylinder electromagnetic valve is connected with two air holes of the air cylinder I, and the air bag inflation electromagnetic valve is connected with an air inlet of the annular air bag.

Furthermore, telescopic machanism is including connecting the cylinder II of base and fixed plate.

Furthermore, an annular table is arranged at the top of the collecting cup, a turntable bearing is arranged on the annular table, and a spraying pipe positioned between the overflow pipe and the collecting cup is fixedly arranged on the turntable bearing.

The beneficial effects of the invention are:

the invention can realize the cleaning of the inner wall of the overflow pipe, reduce the back mixing of the separator during working, improve the separation rate, directly carry out the dirt from the overflow pipe, prevent the dirt from falling into the reaction bin and avoid secondary pollution.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the invention without the outer wall cleaning apparatus;

FIG. 3 is a schematic view of a cleaning device for the inner wall of the overflow pipe according to the present invention;

FIG. 4 is a schematic cross-sectional view of a turn bar incorporating a first embodiment of an annular bladder;

FIG. 5 is a schematic view of the annular balloon expanded in the first embodiment;

FIG. 6 is a schematic cross-sectional view of a turn bar incorporating a second embodiment of an annular bladder;

FIG. 7 is a schematic view of a second embodiment of the annular balloon expanded;

FIG. 8 is a schematic diagram of an air supply system for the cylinder I and the annular air bag of the present invention;

in the figure, a reaction chamber 1, a collection cup 2, an overflow pipe 3, an overflow pipe inner wall cleaning device 4, a fixing plate 401, a base 402, a rotating rod 403, a vertical through hole 4031, an annular groove 4032, an inner rod 4033, an annular air bag 404, a bracket 405, an air cylinder II 406, a bearing 407, a motor 409, an air cylinder I410, a sliding ring 411, an annular air bag II 412, a multi-channel rotary joint 413, an air pump 414, an air cylinder electromagnetic valve 415, an air bag inflation electromagnetic valve 416, a sliding ring II 417, a spiral air pipe 418, an air discharge electromagnetic valve 419, a switch electromagnetic valve 420, an annular table 5, a turntable bearing 6, a motor II 7 and a shower pipe 8.

Detailed Description

For a better understanding of the present invention, embodiments of the present invention are explained in detail below with reference to fig. 1 to 8. It should be noted that, for the sake of clarity, simplified processing is performed in fig. 1-7, and partial structures such as the electromagnetic valve and the air pump are shown in fig. 1-3. The annular bladders in fig. 5 and 7 are in cross-section and the line of sight of the annular bladders is omitted for clarity of illustration.

Fig. 1 shows the initial position of the overflow pipe inner wall cleaning device 4, without the annular air bag being expanded. Fig. 2 is a schematic view of the rotating rod 403 of the overflow pipe inner wall cleaning device 4 extending into the overflow pipe 3 and the annular air bag II 412 expanding.

The aquaculture tail water protein separator comprises a reaction bin 1, a collecting cup 2 positioned above the reaction bin 1, an overflow pipe 3 communicated with the reaction bin 1 and positioned in the center of the collecting cup 2, and an overflow pipe inner wall cleaning device 4. The internal structure of the reaction chamber 1 is the same as that of the prior art, and comprises a bubble generator, a mixing column and the like, which are not described in detail herein. According to the invention, the inner wall of the overflow pipe is cleaned by designing the inner wall cleaning device 4 of the overflow pipe, so that the separation efficiency is prevented from being influenced by dirt back mixing.

The overflow pipe inner wall cleaning device 4 mainly comprises a fixing plate 401, a base 402, a rotating rod 403, an annular air bag 404 and a telescopic mechanism, wherein the fixing plate 401 and the base 402 are preferably made of circular composite material plates, as shown in fig. 1 and fig. 2, and the fixing plate 401 and the top cover of the collecting cup 2 are the same. A telescopic mechanism is arranged between the fixing plate 401 and the base 402, preferably, an air cylinder II 406 is adopted as the telescopic mechanism, the bottom of a cylinder barrel of the air cylinder II 406 is fixed on the fixing plate 401, and the front end of a piston rod of the air cylinder II is fixed on the base 402. The air cylinder II is controlled to act through an air pump I and an electromagnetic valve which are fixed on the fixing plate 401. One cylinder II 406 can be adopted, and guide columns are arranged on the symmetrical sides of the cylinder II 406. Or two symmetrically arranged cylinders II 406 are directly adopted.

A through hole is formed in the center of the base 402, a bearing 407 is arranged in the through hole, and the rotating rod 403 is sleeved in the bearing 407. A motor 409 for driving the rotating rod 403 is arranged on the base 402, and the specific mode is as follows: motor 409 passes through the support to be fixed on base 402, and motor 409's output shaft sets up band pulley I, sets up band pulley II on bull stick 403, and band pulley I and band pulley II pass through the drive belt and connect.

The center of bull stick 403 sets up the vertical through-hole 4031 that is used for placing the trachea, and vertical through-hole 4031 link up bull stick 403 from top to bottom, sets up bottom open-ended annular groove 4032 below bull stick 403, and annular groove 4032 upwards extends a section distance along the axis, and annular groove 4032 surely goes out an interior pole 4033 with bull stick 403, sets up cylinder I410 in the annular groove 4032, and cylinder I410 can the bilateral symmetry set up two. The front end of a piston rod of the air cylinder I410 is connected with a sliding ring 411, a gap is reserved between the outer side wall of the sliding ring 411 and an annular groove 4032, the first embodiment of the annular air bag 404 is that the outer side wall of the sliding ring 411 is provided with the annular air bag 404, the sliding ring 411 is provided with an air pipe interface used for communicating an air inlet of the annular air bag 404 and an air pipe interface used for communicating an air outlet of the annular air bag 404, and a spiral air pipe 418 communicated with the annular air bag is arranged in the annular groove 4032. The sliding ring 411 is sleeved on the inner bar 4033 of the rotating bar 403 and can slide up and down along the inner bar 4033, and the lower end of the inner bar 4033 extends out of the rotating bar 403 by a section for expanding the annular air bag 404 after the sliding ring 411 slides out of the annular groove 4032. As a second embodiment of the annular air bag, as shown in fig. 6, an annular air bag ii 412 is provided on the bottom surface of a slide ring ii 417. As shown in FIG. 7, the middle of the annular air bag II 412 is provided with an upward extending end which is connected with a sliding ring II 417, so that the horizontal state of the annular air bag II 412 after being unfolded can be ensured. The lower end of the inner bar 4033 need not extend beyond the turn bar 403. Fig. 7 is a cross-sectional view of the annular air bag ii 412 after being expanded. In order to scrape the inner wall of the overflow pipe completely, a plurality of raised annular scraping strips are arranged on the upper side and the lower side of the outer side wall of the annular air bag.

The top of bull stick 403 is provided with multichannel rotary joint 413, and multichannel rotary joint 413 is current product, as the china utility model patent of publication number CN2750154 discloses a multichannel rotary joint, it includes flange, porous axle, overcoat, sealing member, bearing and end cover, hole and the epaxial hole one-to-one in the flange, flange and porous axle fixed connection, porous axle passes through the rotatable setting of bearing in the overcoat. The invention adopts a multi-channel rotary joint 413 with 6 inlets and 6 outlets, the outer sleeve of the multi-channel rotary joint 413 is fixed on a base 402 through a bracket 405, the flange of the multi-channel rotary joint 413 is fixedly connected with a rotating rod 403, and a flange can be arranged on the rotating rod 403 and butted with the flange on the multi-channel rotary joint 413. And after an air pipe led out from the porous shaft by the multi-channel rotary joint 413 extends into the vertical through hole 4031, the air pipe is correspondingly connected to the air cylinder I410 and the annular air bag. The air cylinder I410 and the annular air bag are connected with an air source system through a multi-channel rotary joint 413. The annular air bag is also connected with a deflation electromagnetic valve 419.

As shown in fig. 8, the air source system for controlling the air cylinder i and the annular air bag of the present invention includes an air pump 414, an air cylinder solenoid valve 415, and an air bag inflation solenoid valve 416, wherein an output pipeline of the air pump 414 is divided into two branches, and two output pipelines are respectively provided with a switch solenoid valve 420, and then are respectively connected with the air cylinder solenoid valve 415 and the air bag inflation solenoid valve 416 through air pipes. The cylinder solenoid valve 415 is connected with two air holes of the cylinder I410 through air pipes. The air bag inflation electromagnetic valve 416 is connected with an air pipe interface on the sliding ring through an air pipe to realize connection with an air inlet of the annular air bag.

The invention also designs a cleaning device for the inner wall of the collecting cup 2 and the outer wall of the overflow pipe 3. The preferred embodiment of the cleaning device is of the rotary type: an annular table 5 with an L-shaped section is arranged at the top of the collecting cup 2, a turntable bearing 6 is arranged on the annular table 5, the outer ring of the turntable bearing 6 is fixed on the annular table 5, the inner ring of the turntable bearing 6 is provided with teeth, the teeth of the inner ring are meshed with a gear on an output shaft of a motor II 7, and the motor II 7 drives the inner ring to rotate. And two spray pipes 8 are arranged below the inner ring of the turntable bearing 6 and positioned between the overflow pipe 3 and the collection cup 2 in a bilateral symmetry mode, and spray heads which are aligned with the outer wall of the overflow pipe 3 and the inner wall of the collection cup 2 are arranged on the spray pipes 8. The motor II 7 drives the inner ring of the turntable bearing 6 to rotate for a half circle and then reversely rotate for a half circle, and the cleaning work is carried out in a reciprocating mode. Of course, the cleaning device can also only clean the inner wall of the collecting cup 2, and the outer wall of the overflow pipe 3 is not cleaned. Another embodiment of the cleaning device can also be designed as a scraper only for cleaning the inner wall of the collecting cup 2.

The using method of the invention is as follows: the invention can clean regularly according to the set time. After the set time (such as 24 hours) is reached, the controller controls the action of the air cylinder II 406 to push the base 402 downwards, when the rotating rod 403 extends into the overflow pipe 3 and the bottom of the rotating rod 403 is positioned at the bottom of the overflow pipe 3, the action of the air cylinder II 406 stops, the air pump 414 starts to work, the air cylinder electromagnetic valve 415 is firstly opened to enable the piston rod of the air cylinder I410 to extend out, the sliding ring is pushed to the bottom of the annular groove 4032, then the air cylinder I410 stops, the air bag inflation electromagnetic valve 416 is opened, and as shown in fig. 2, the outer wall of the annular air bag is tightly attached to the inner wall of the overflow pipe 3 after being inflated. Then the piston rod of the air cylinder II 406 is slowly retracted, when the annular air bag is about to move out of the overflow pipe 3, the motor 409 works to drive the rotating rod 403 to rotate rapidly, and therefore dirt on the annular air bag is thrown into the collecting cup 2. After the piston rod of the air cylinder II 406 is completely retracted, the motor 409 stops working, the deflation electromagnetic valve 419 is opened, the annular air bag is deflated, then the piston rod of the air cylinder I410 is retracted, and the deflated annular air bag is received in the annular groove 4032. And finally, starting a water supply pump of the motor II 7 and the spray pipe 8, and starting to clean the inner wall of the collection cup 2 and the outer wall of the overflow pipe 3.

Claims

1. An aquaculture tail water protein separator comprises a reaction bin, a collection cup, an overflow pipe and an overflow pipe inner wall cleaning device, wherein the collection cup is positioned above the reaction bin, the overflow pipe is communicated with the reaction bin and is positioned in the center of the collection cup; the top of the rotating rod is provided with a multi-channel rotating joint, and the air cylinder I and the annular air bag are connected with an air source system through the multi-channel rotating joint; the annular air bag is connected with a deflation electromagnetic valve.

2. The aquaculture tail water protein separator of claim 1 wherein the outer side wall of said annular bladder is provided with a raised annular wiper strip.

3. The aquaculture tail water protein separator of claim 1, wherein the air source system comprises an air pump, an air cylinder solenoid valve and an air bag inflation solenoid valve, the air pump is respectively connected with the air cylinder solenoid valve and the air bag inflation solenoid valve through switch solenoid valves, the air cylinder solenoid valve is connected with two air holes of the air cylinder I, and the air bag inflation solenoid valve is connected with an air inlet of the annular air bag.

4. The aquaculture tail water protein separator of claim 1 wherein said telescoping mechanism comprises cylinder ii connecting said base to said stationary plate.

5. An aquaculture tail water protein separator according to any one of claims 1 to 4 wherein an annular table is provided on top of the collection cup, a turntable bearing is provided on the annular table, and a shower pipe is fixedly provided on the turntable bearing between the overflow pipe and the collection cup.