CN213416599U

CN213416599U - Biological filter based on biological purification technology of recirculating aquaculture system

Info

Publication number: CN213416599U
Application number: CN202021695565.3U
Authority: CN
Inventors: 朱建新; 唐明光; 李雪; 王华丽; 徐玲燕
Original assignee: Shandong Greatway Marine Science & Technology Co ltd
Current assignee: Shandong Greatway Marine Science & Technology Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-06-11
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a biological filter based on recirculating water aquaculture system biological purification technique, including filtering the container, the water inlet, the air inlet, the aeration hole, the top in aeration hole sets up to the filter material district, the inside top of filtering the container is provided with the backup pad, the bottom of backup pad is provided with the oxygenation device, the in-connection of oxygenation device has the breather pipe, and the top of breather pipe extends to the top of filtering the container, the top of filtering the container is provided with adjusts pH value mechanism, and adjust pH value mechanism and breather pipe intercommunication, one side on filtering the container top is provided with the gas outlet, the top of filtering the container is provided with the delivery port, be provided with in the delivery port, the pH probe. Has the advantages that: the utility model discloses oxygen content in can rapid even improvement rivers realizes that the high concentration of aquaculture water oxygen dissolves fast, and the pH value in the regulation rivers that can be timely, and the factory circulating water high density of guarantee marine fish is bred, has improved farming systems' efficiency and safety.

Description

Biological filter based on biological purification technology of recirculating aquaculture system

Technical Field

The utility model relates to a biological filter field particularly, relates to a biological filter based on recirculating aquaculture system biological purification technique.

Background

Ammonia nitrogen is an important component in fish excreta and has great toxicity to fish. The total ammonia nitrogen amount in the general fish culture water body is required to be not higher than 1mg/L or the non-ionic ammonia amount is required to be less than 0.025 mg/L. The biofilter is used for removing ammonia nitrogen, is an important device of a circulating water industrial culture system, and has the main function of converting the ammonia nitrogen into nitrate nitrogen without toxicity under the action of bacteria. Of course, the biofilter also has the function of decomposing organic matters. When the biological filter is used, the temperature of the bottom end of the filter tank is lower than that of the top end of the filter tank under normal conditions, so that the dissolved oxygen at the upper end and the lower end of the filter tank are different, the decomposition of microorganisms on pollutants is not facilitated, and the decomposition capacity of the biological filter is also influenced by the pH value (hydrogen ion concentration index) in water flow.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a biological filter based on recirculating aquaculture system biological purification technique to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a biological filter based on a biological purification technology of a recirculating aquaculture system comprises a filter container, wherein one side of the bottom end of the filter container is provided with a water inlet, the other side of the bottom end of the filter container is provided with an air inlet, the air inlet is connected with an air pipe, one end, far away from the air inlet, of the air pipe extends into the filter container, the top end of the air pipe is provided with a plurality of groups of aeration holes, the top ends of the aeration holes are arranged into a filter material area, the top end of the interior of the filter container is provided with a support plate, the bottom end of the support plate is provided with an oxygenation device, the oxygenation device is internally connected with an aeration pipe, the top end of the aeration pipe extends to the upper part of the filter container, the top end of the filter container is provided with a pH value adjusting mechanism, the pH, the side of the filtering container is provided with a controller.

Further, in order to enable the ventilation direction to swing in a plane, the oxygenation device comprises a first connecting vertical plate arranged at one end of the bottom of the supporting plate, a first motor is arranged at one end, far away from the middle of the supporting plate, of the first connecting vertical plate, a U-shaped frame is arranged at one end, close to the middle of the supporting plate, of the first connecting vertical plate, an output shaft of the first motor is connected with the vertical plate in a penetrating mode and is connected with the end portion of the U-shaped frame, one end, far away from the first motor, of the U-shaped frame is connected with a connecting pipe, the top end of the.

Furthermore, in order to uniformly ventilate on the top of water flow, and further improve the oxygen content in the water flow rapidly, the side of the first connecting vertical plate is provided with a second connecting vertical plate at the bottom of the supporting plate, the second connecting vertical plate is perpendicular to the first connecting vertical plate, one end, away from the U-shaped frame, of the second connecting vertical plate is provided with a second motor, one end, close to the U-shaped frame, of the second connecting vertical plate is provided with a first L-shaped support, an output shaft of the second motor penetrates through the second connecting vertical plate and is connected with the bottom end of the first L-shaped support, the top end of the first L-shaped support is connected with the top end of the second L-shaped support, and the bottom end of.

Further, in order to improve the uniformity of the air flowing to the top end of the water flow and further be favorable for the uniformity of the dissolved oxygen in the water flow, the bottom end of the ventilation block is provided with a plurality of groups of round holes.

Further, in order to detect the skew normal within range back of the pH value in the rivers, pH value in the regulation rivers that can be timely, and then can avoid the deviation of pH value and reduce the filtration decomposition ability of biological filter, adjust pH value mechanism including setting up the casing on filtering the container top, the inside of casing transversely is provided with two sets of baffles, the vertical direction of a set of baffle that leans on is provided with the opening, just be provided with the pipeline in the open-ended below on a set of baffle that leans on, and the bottom extension of pipeline is in breather pipe department, the top of a set of baffle that leans on is provided with the regulation liquid container, the top of casing is provided with the interface, be provided with the spout between two sets of baffles, be provided with the slider in the spout, vertical direction is provided with the through-hole with opening matched with in the slider, the one end of.

Furthermore, in order to enable the sliding of the sliding block to be smoother, a spring is arranged between one end, far away from the electric cylinder, of the sliding block and the inner side wall of the shell.

The utility model has the advantages that:

(1) the utility model discloses a set up aeration hole, oxygenation device etc to can be with even ventilating in the rivers, and then oxygen content in the improvement rivers that can be rapid, realize that aquaculture water oxygen's high concentration dissolves fast, guarantee sea water fish batch production circulating water high density is bred, improved farming systems's efficiency and safety.

(2) Through setting up pH value mechanism, pH probe etc. to detect the pH value in the rivers and deviate from normal within range after, the pH value in the regulation rivers that can be timely, and then can avoid the deviation of pH value and reduce biological filter's filtration decomposition ability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a biofilter based on a biological purification technology of a recirculating aquaculture system according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of an oxygenation device of a biofilter based on a biological purification technology of a recirculating aquaculture system according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an aeration block of a biofilter based on a biological purification technology of a recirculating aquaculture system according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a pH adjusting mechanism of a biofilter based on a biological purification technology of a recirculating aquaculture system according to an embodiment of the present invention.

In the figure:

1. a filtration vessel; 2. a water inlet; 3. an air inlet; 4. an air tube; 5. an aeration hole; 6. a filtering material area; 7. A support plate; 8. an oxygenation device; 801. a first connecting vertical plate; 802. a first motor; 803. a U-shaped frame; 804. A connecting pipe; 805. a ventilation block; 806. a second vertical plate is connected; 807. a second motor; 808. an L-shaped bracket I; 809. an L-shaped bracket II; 810. a circular hole; 9. a breather pipe; 10. a pH value adjusting mechanism; 1001. a housing; 1002. a partition plate; 1003. an opening; 1004. a pipeline; 1005. a conditioning liquid container; 1006. an interface; 1007. a chute; 1008. a slider; 1009. a through hole; 1010. an electric cylinder; 1011. a spring; 11. an air outlet; 12. a water outlet; 13. a pH probe; 14. and a controller.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a biological filter based on recirculating aquaculture system biological purification technique.

Referring now to the drawings and the detailed description, as shown in fig. 1-4, a biological filter based on a biological purification technology of a recirculating aquaculture system according to an embodiment of the present invention includes a filtering container 1, a water inlet 2 is disposed on one side of a bottom end of the filtering container 1, an air inlet 3 is disposed on the other side of the bottom end of the filtering container 1, the air inlet 3 is connected to an air pipe 4, one end of the air pipe 4 away from the air inlet 3 extends into the filtering container 1, a plurality of groups of aeration holes 5 are disposed on a top end of the air pipe 4, a filtering material region 6 is disposed on a top end of the aeration holes 5, a supporting plate 7 is disposed on an inner top end of the filtering container 1, an oxygenation device 8 is disposed on a bottom end of the supporting plate 7, a vent pipe 9 is connected to the oxygenation device 8, and a top end of the vent pipe 9 extends to a top of, and the pH value adjusting mechanism 10 is communicated with the vent pipe 9, one side of the top end of the filtering container 1 is provided with an air outlet 11, the other side of the top end of the filtering container 1 is provided with a water outlet 12, a pH probe 13 is arranged in the water outlet 12, and the side of the filtering container 1 is provided with a controller 14.

With the help of the above technical scheme, the utility model discloses can be rapidly even improve oxygen content in the rivers and can be timely the pH value in the regulation rivers, guarantee sea water fish batch production circulating water high density is bred, has improved farming systems' efficiency and safety.

In an embodiment, for the above-mentioned oxygenation device 8, the oxygenation device 8 includes a first connection vertical plate 801 disposed at one end of the bottom of the support plate 7, a first motor 802 is disposed at one end of the first connection vertical plate 801 away from the middle of the support plate 7, a U-shaped frame 803 is disposed at one end of the first connection vertical plate 801 close to the middle of the support plate 7, an output shaft of the first motor 802 penetrates the first connection vertical plate 801 and is connected with an end of the U-shaped frame 803, a connection pipe 804 is connected to one end of the U-shaped frame 803 away from the first motor 802, a top end of the connection pipe 804 is connected with the ventilation pipe 9, and a ventilation block 805 is disposed at a bottom end of the connection pipe 804, so.

In one embodiment, for the first connecting riser 801, a second connecting riser 806 is arranged on the side of the first connecting riser 801 and at the bottom end of the supporting plate 7, the second connecting riser 806 is perpendicular to the first connecting riser 801, a second motor 807 is arranged at one end, far away from the U-shaped frame 803, of the second connecting riser 806, a first L-shaped support 808 is arranged at one end, close to the U-shaped frame 803, of the second connecting riser 806, an output shaft of the second motor 807 penetrates through the second connecting riser 806 and is connected with the bottom end of the first L-shaped support 808, the top end of the first L-shaped support 808 is connected with the top end of the second L-shaped support 809, and the bottom end of the second L-shaped support 809 is connected with the side wall of the connecting pipe 804, so that even ventilation can be performed at the top end of water flow.

In one embodiment, for the aeration block 805, a plurality of sets of circular holes 810 are formed at the bottom end of the aeration block 805, so that the uniformity of air passing to the top end of the water flow can be improved, and the uniformity of dissolved oxygen in the water flow is further improved.

In one embodiment, for the pH adjusting mechanism 10, the pH adjusting mechanism 10 includes a housing 1001 disposed at the top end of the filtering container 1, two sets of partition plates 1002 are transversely disposed inside the housing 1001, an opening 1003 is vertically disposed on the upper set of partition plates 1002, a pipe 1004 is disposed on the lower set of partition plates 1002 and below the opening 1003, the bottom end of the pipe 1004 extends at the vent pipe 9, an adjusting liquid container 1005 is disposed at the top end of the upper set of partition plates 1002, a connector 1006 is disposed at the top end of the housing 1001, a sliding chute 1007 is disposed between the two sets of partition plates 1002, a sliding block 1008 is disposed in the sliding chute 1007, a through hole 1009 matching with the opening 1003 is vertically disposed in the sliding block 1008, one end of the sliding block 1008 is connected to an output shaft of the electric cylinder 1010, so that when it is detected that the pH value in the water flow deviates from a normal range, the pH value in the water flow, further, the filter decomposition ability of the biofilter can be reduced by preventing the pH value from being deviated.

In one embodiment, for the slider 1008, the slider 1008 slides more smoothly by providing a spring 1011 between an end of the slider 1008 remote from the cylinder 1010 and an inner side wall of the housing 1001.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, water flow flows into the filtering container 1 from the water inlet 2, a biological membrane is formed in a filtering material in the filtering material area 6 and is used for filtering and decomposing pollutants in the water flow, and the air inlet 3 is externally connected with an air source and aerates the bottom end of the water flow through the aeration holes 5 to dissolve oxygen. The vent pipe 9 is also externally connected with an air source, and the top end of the water flow is inflated by the vent block 805 to dissolve oxygen, in the process, the first motor 802 is started, the first motor 802 drives the U-shaped frame 803 and the connecting pipe 804 to swing in one plane through the output shaft, then the second motor 807 is started, the second motor 807 drives the first L-shaped support 808 to rotate through the output shaft, and the first L-shaped support 808 drives the connecting pipe 804 to swing in the other plane through the second L-shaped support 809. Through the program set in the controller 14, the first motor 802 and the second motor 807 are matched, so that the top end of the water flow can be uniformly aerated and dissolved with oxygen. When the pH probe 13 detects that the pH value in the water flow is too high or too low, the electric cylinder 1010 is started, the electric cylinder 1010 drives the sliding block 1008 to slide in the sliding groove 1007 through the output shaft, the through hole 1009 is aligned with the opening, the adjusting solution flows into the vent pipe 9 from the opening 1003, the through hole 1009 and the pipeline 1004 in sequence and finally flows into the water flow, and therefore the pH value in the water flow is adjusted.

To sum up, with the help of the above technical scheme of the utility model, through setting up aeration hole 5, oxygenation device 8 etc to can be with even ventilating in the rivers, and then oxygen content in the improvement rivers that can be rapid, realize that the high concentration of aquaculture water oxygen dissolves fast, guarantee marine fish batch production circulating water high density is bred, improved farming systems' efficiency and safety. Through setting up pH value adjusting mechanism 10, pH probe 13 etc to detect the pH value in the rivers and deviate from in the normal range after, the pH value in the regulation rivers that can be timely, and then can avoid the deviation of pH value and reduce biological filter's filtration decomposition ability.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The biological filter based on the biological purification technology of the recirculating aquaculture system is characterized by comprising a filtering container (1), wherein a water inlet (2) is formed in one side of the bottom end of the filtering container (1), an air inlet (3) is formed in the other side of the bottom end of the filtering container (1), the air inlet (3) is connected with an air pipe (4), one end, far away from the air inlet (3), of the air pipe (4) extends into the filtering container (1), a plurality of groups of aeration holes (5) are formed in the top end of the air pipe (4), a filtering material area (6) is formed in the top end of each aeration hole (5), a supporting plate (7) is arranged at the top end of the inside of the filtering container (1), an oxygenation device (8) is arranged at the bottom end of the supporting plate (7), a vent pipe (9) is connected in the oxygenation device (8), and the top end of the vent pipe (9) extends to the upper portion of, the top of filtering container (1) is provided with adjusts pH value mechanism (10), just adjust pH value mechanism (10) with breather pipe (9) intercommunication, one side on filtering container (1) top is provided with gas outlet (11), the opposite side on filtering container (1) top is provided with delivery port (12), be provided with pH probe (13) in delivery port (12), the side of filtering container (1) is provided with controller (14).

2. The biofilter based on the biological purification technology of the recirculating aquaculture system as recited in claim 1, it is characterized in that the oxygenation device (8) comprises a first connecting vertical plate (801) arranged at one end of the bottom of the supporting plate (7), one end of the connecting vertical plate I (801) far away from the middle part of the supporting plate (7) is provided with a motor I (802), one end of the first connecting vertical plate (801) close to the middle part of the supporting plate (7) is provided with a U-shaped frame (803), an output shaft of the motor I (802) penetrates through the connecting vertical plate I (801) and is connected with the end part of the U-shaped frame (803), one end of the U-shaped frame (803) far away from the first motor (802) is connected with a connecting pipe (804), the top end of the connecting pipe (804) is connected with the vent pipe (9), and the bottom end of the connecting pipe (804) is provided with a vent block (805).

3. The biofilter based on the biological purification technology of the recirculating aquaculture system as recited in claim 2, characterized in that the side edge of the first connecting vertical plate (801) is provided with a second connecting vertical plate (806) at the bottom end of the supporting plate (7), the second connecting vertical plate (806) is perpendicular to the first connecting vertical plate (801), a second motor (807) is arranged at one end, away from the U-shaped frame (803), of the second connecting vertical plate (806), one end of the connecting vertical plate II (806) close to the U-shaped frame (803) is provided with an L-shaped support I (808), an output shaft of the second motor (807) penetrates through the second connecting vertical plate (806) and is connected with the bottom end of the first L-shaped bracket (808), the top end of the L-shaped bracket I (808) is connected with the top end of the L-shaped bracket II (809), the bottom end of the L-shaped bracket II (809) is connected with the side wall of the connecting pipe (804).

4. A biofilter based on biological purification technology for recirculating aquaculture systems according to claim 2 or 3, characterized in that the bottom end of said aeration block (805) is provided with several sets of circular holes (810).

5. The biological filter based on the biological purification technology of the recirculating aquaculture system of claim 1, wherein the pH value adjusting mechanism (10) comprises a housing (1001) disposed at the top end of the filtering container (1), two sets of partition plates (1002) are transversely disposed inside the housing (1001), an opening (1003) is disposed in the vertical direction of the upper set of partition plates (1002), a pipe (1004) is disposed on the lower set of partition plates (1002) and below the opening (1003), the bottom end of the pipe (1004) extends at the vent pipe (9), an adjusting liquid container (1005) is disposed at the top end of the upper set of partition plates (1002), an interface (1006) is disposed at the top end of the housing (1001), a chute (1007) is disposed between the two sets of partition plates (1002), and a slide block (1008) is disposed in the chute (1007), a through hole (1009) matched with the opening (1003) is formed in the sliding block (1008) in the vertical direction, and one end of the sliding block (1008) is connected with an output shaft of the electric cylinder (1010).

6. A biofilter based on the biological purification technology of a recirculating aquaculture system according to claim 5, characterized in that a spring (1011) is arranged between one end of the slider (1008) far away from the electric cylinder (1010) and the inner side wall of the housing (1001).