CN213569719U - Aquaculture tail water treatment device - Google Patents
Aquaculture tail water treatment device Download PDFInfo
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- CN213569719U CN213569719U CN202022264614.4U CN202022264614U CN213569719U CN 213569719 U CN213569719 U CN 213569719U CN 202022264614 U CN202022264614 U CN 202022264614U CN 213569719 U CN213569719 U CN 213569719U
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- tail water
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Abstract
The utility model discloses an aquaculture tail water treatment facilities, include: the water inlet and outlet holes are arranged on the wall of the mounting cavity in a penetrating manner; a positioning member fixedly arranged in the mounting cavity, the surface of the positioning member being concavely providedThe cross section area of the accommodating cavity is gradually increased from the bottom of the accommodating cavity to the opening of the accommodating cavity; the water purifying material comprises volcanic rocks and nitrogen-removing modified attapulgite, the volcanic rocks are filled in the accommodating cavity, and the nitrogen-removing modified attapulgite is filled between the cavity wall of the mounting cavity and the outer surface of the positioning piece; and a cover plate connected with the base body and used for covering the open end of the accommodating cavity. Compared with the prior art, the utility model discloses in, through foretell settlement, to nitrogen, phosphorus and COD that contain in the tail waterMnHas better removing effect.
Description
Technical Field
The utility model relates to an aquaculture tail water treatment technical field, in particular to aquaculture tail water treatment facilities.
Background
The traditional culture tail water is treated mostly in a precipitation and filtration (such as three-pond two-dam) mode, residual baits and excrement in the tail water are precipitated and filtered in the treatment process, the residual baits and the excrement in the tail water are precipitated (in a precipitation pond) and filtered (such as a filtration dam or a biological membrane treatment), and the filtered sewage is directly discharged; the precipitate is removed after a period of time and used directly as fertilizer.
The tail water is treated by adding a flocculating agent into a sedimentation tank, but the flocculating agent can only remove organic matters and undigested feed particles in the tail water, but can not remove nitrogen, phosphorus and COD contained in the tail waterMnRemoval is performed, and improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an aquaculture tail water treatment device, aiming at treating nitrogen, phosphorus and COD contained in the tail waterMnHas better removing effect.
In order to achieve the above object, the utility model provides an aquaculture tail water treatment facilities includes:
the water inlet device comprises a base body and a water outlet, wherein the base body is provided with an installation cavity with an opening at one end, and the wall of the installation cavity is provided with a water inlet hole and a water outlet hole in a penetrating way;
the positioning piece is fixedly arranged in the mounting cavity, an accommodating cavity with one open end is concavely arranged on the surface of the positioning piece, and the cross section area of the accommodating cavity is gradually increased from the cavity bottom to the cavity opening;
the water purifying material comprises volcanic rocks and nitrogen-removing modified attapulgite, the volcanic rocks are filled in the accommodating cavity, and the nitrogen-removing modified attapulgite is filled between the cavity wall of the mounting cavity and the outer surface of the positioning piece;
and the cover sealing plate is connected with the base body and is used for sealing the open end of the accommodating cavity.
Optionally, the positioning element is arranged in a conical shape, and the bottom of the positioning element is concavely arranged to form the accommodating cavity;
the top and the bottom of the positioning piece are clamped between two opposite cavity walls of the installation cavity.
Optionally, the number of the positioning parts is multiple, the positioning parts are sequentially and fixedly installed in the installation cavity from the cavity opening of the installation cavity to the cavity bottom of the installation cavity,
the top of one of the positioning parts and the bottom of the other positioning part in two adjacent positioning parts are positioned on the same side, so that the side surfaces of the two adjacent positioning parts abut against each other.
Optionally, a plurality of protrusions arranged at intervals along the circumferential direction of the positioning piece are convexly arranged at the bottom of the positioning piece, and the protrusions are abutted to the cavity wall of the installation cavity.
Optionally, the top of the positioning member is cut to form an abutting plane abutting against the cavity wall of the installation cavity.
Optionally, the abutting plane is concavely provided with a thread groove, a through hole communicated with the thread groove is formed in the inner wall of the mounting cavity, and the through hole is connected with the thread groove through a screw connector.
Optionally, the aquaculture tail water treatment device further comprises a water inlet pipe and a water outlet pipe,
the water inlet pipe is arranged in a conical shape, one end with the larger aperture is connected with the water inlet hole, and the other end with the smaller aperture extends towards the installation cavity;
the water outlet pipe is arranged in a conical shape, one end with a larger aperture is connected with the water outlet hole, and the other end with a smaller aperture extends towards the direction far away from the installation cavity.
Optionally, one side of the sealing cover plate is pivoted with the base body, the other side of the sealing cover plate is provided with a first wedge-shaped clamping groove, the corresponding side of the base body is provided with a second wedge-shaped clamping groove which can be spliced with the first wedge-shaped clamping groove,
aquaculture tail water processing apparatus still includes the joint piece, the joint piece is including being two joint portions of relative setting, two joint portion respectively with first wedge joint groove with second wedge joint groove joint cooperation, so that the joint piece can with the base member with closing cap plate fixed connection.
Optionally, the mass ratio of the volcanic rock to the nitrogen-removing modified attapulgite is 1: 1.
the utility model discloses technical scheme is through adopting base member, setting element, volcanic rock, removing the modified attapulgite of nitrogen type and closing cap board, and the volcanic rock distributes with accumulational mode, removes the modified attapulgite of nitrogen type and distributes with the mode of tiling for the volcanic rock can be to nitrogen, phosphorus and COD that contain in the tailwater with removing the modified attapulgite of nitrogen typeMnHas better removal effect, and the volcanic rock and the denitrified modified attapulgite can be repeatedly used after being cleaned, thereby reducing the cost of tail water treatment. Compared with the prior art, the utility model discloses in, through foretell settlement, to nitrogen, phosphorus and COD that contain in the tail waterMnHas better removing effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of the aquaculture tail water treatment device of the present invention;
FIG. 2 is a schematic view of the cover of FIG. 1 after opening;
fig. 3 is a schematic structural diagram of the positioning member.
The reference numbers illustrate:
reference numerals | Name (R) | Reference numerals | Name (R) | ||
1000 | Aquaculture tail |
100 | |
||
| Mounting cavity | | Water inlet | ||
| Water outlet | 100d | Second wedge- |
||
110 | |
200 | Locating |
||
| Containing cavity | 200b | Plane of propping up | ||
210 | |
300 | |
||
300a | First wedge- |
400 | |
||
500 | |
600 | Clamping block |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope of the present invention.
Attapulgite, also known as Palygorskite (Palygorskite) or Palygorskite, is an aqueous magnesium-rich aluminosilicate clay mineral with a chain-layered structure. And (3) performing modification treatment on the attapulgite, and then performing denitrification to obtain the denitrified modified attapulgite.
Aiming at the nitrogen removal type modified attapulgite and the volcanic rock, three different distribution modes of accumulation, tiling and suspension are respectively set. The accumulation can lead the exterior of the water body material to form an aerobic environment and the interior to form an anaerobic environment, thus promoting the purification of the water body AO (anaerobic oxygen, aerobic and anaerobic treatment); the contact area between the water body and the purification material can be increased by tiling, and the adsorption effect is enhanced; hang and to increase the contact on purifying material and different degree of depth water surface, especially the water upper strata receives external disturbance great, produces undulant easily, can increase sewage and purifying material's contact to promote purifying material to generate the aerobic microorganism bacterial colony. However, materials such as mesh bags need to be added for hanging, and the operation cost is increased.
Because the nitrogen removal type modified attapulgite is an efficient adsorption material, the contact area between the nitrogen removal type modified attapulgite and a water body can be increased by both tiling and hanging the nitrogen removal type modified attapulgite, but the tiled nitrogen removal type modified attapulgite is opposite to nitrogen, phosphorus and CODMnThe removal effect is better than that of suspension, so the best distribution mode of the nitrogen removal type modified attapulgite is flat laying.
The volcanic rock has high aperture ratio and a multi-gap structure inside, has larger contact area with sewage after being stacked, and is favorable for generating anaerobic microorganism bacterial colonies, so the stacked and distributed volcanic rock is superior to tiling and suspending in nitrogen removalHanging, the removal rate of phosphorus in 48-96 h is higher than that in flat laying and hanging, and COD in 24h and 96hMnThe removal rate is higher than that of the flat laying and hanging, so that the optimal distribution mode of the volcanic rocks is stacking.
The utility model provides an aquaculture tail water processing apparatus 1000 please refer to fig. 1 to 3, and this aquaculture tail water processing apparatus 1000 includes: a base body 100, a positioning member 200, a water purifying material and a sealing plate 300.
Be equipped with the open installation cavity 100a in one end on the base member 100, the chamber wall of installation cavity 100a runs through and is provided with inlet opening 100b and apopore 100 c. Preferably, the inlet hole 100b and the outlet hole 100c are respectively disposed on the wall of the installation cavity 100a, which is opposite to each other, so as to facilitate the tail water to flow into the installation cavity 100a and flow out from the installation cavity 100 a.
The positioning member 200 is fixedly installed in the installation cavity 100a, an accommodating cavity 200a with an open end is concavely arranged on the surface of the positioning member 200, and the cross-sectional area of the accommodating cavity 200a is gradually increased from the cavity bottom to the cavity opening.
The water purifying material comprises volcanic rock and nitrogen-removing modified attapulgite, the volcanic rock is filled in the accommodating cavity 200a, and the nitrogen-removing modified attapulgite is filled between the cavity wall of the mounting cavity 100a and the outer surface of the positioning piece 200. Preferably, hold chamber 200a and be the coniform setting, so not only conveniently hold the processing of chamber 200a, conveniently pile up the vesuvianite moreover.
The capping plate 300 is coupled to the base 100 and serves to cap the open end of the receiving cavity 200 a.
Through foretell technical scheme, on the one hand for the volcanic rock distributes with accumulational mode, and modified attapulgite of denitrogenation type distributes with the mode that tiles for volcanic rock and modified attapulgite of denitrogenation type can be to nitrogen, phosphorus and COD that contain in the tail waterMnAnd the volcanic rock and the nitrogen-removing modified attapulgite can be repeatedly used after being cleaned, so that the cost of tail water treatment is reduced.
Further, the mass ratio of the volcanic rock to the nitrogen-removing modified attapulgite is 1:1, so as to enhance the treatment of nitrogen, phosphorus and COD contained in the tail waterMnThe removal effect of (1).
The proportion of the volcanic rock and the nitrogen-removing modified attapulgite is researched, and a treatment group is set in the test: 3, putting the vesuvianite and the nitrogen-removing modified attapulgite in a culture tail water simulation system according to three mass ratios of 1:2, 2:1 and 1:1 respectively, wherein the total addition amount is 6 g.L-1. Meanwhile, a blank control group without the purifying material is arranged, and 3 groups of experiments are arranged in parallel. The 1:1 treatment group had significantly higher nitrogen removal at 48h than the other groups, and significantly higher phosphorus removal at 48h than 2:1 treatment group and blank group, COD at 24hMnThe removal rate was significantly higher than the other groups. The purification effect is best when the adding mass ratio of the volcanic rock to the nitrogen removal type modified attapulgite is 1:1, and the treatment effect is about 5-9% higher than that of treatment groups of 1:2 and 2: 1.
In an embodiment of the present invention, referring to fig. 3, the positioning element 200 is disposed in a conical shape, and the bottom of the positioning element 200 is recessed to form a receiving cavity 200a, so as to save the material required for manufacturing the positioning element 200. The axis of the positioning member 200 may coincide with the axis of the accommodating chamber 200a, and the axis of the positioning member 200 may be spaced from the axis of the accommodating chamber 200a, which is not particularly limited herein.
Further, the top and the bottom of the positioning member 200 are clamped between two opposite cavity walls of the installation cavity 100a, so that the positioning member 200 can be conveniently installed and detached.
When the aquaculture tail water treatment device 1000 is assembled, the volcanic rocks are piled up in the accommodating cavity 200a on the positioning piece 200 in advance, then the positioning piece 200 is put into the installation cavity 100a from the opening of the installation cavity 100a and is clamped between the two cavity walls which are oppositely arranged in the installation cavity 100a, so that the installation of the positioning piece 200 can be completed, then the nitrogen-removing type modified attapulgite is flatly paved between the cavity wall of the installation cavity 100a and the outer surface of the positioning piece 200, and finally the sealing cover plate 300 covers the opening end of the installation cavity 100 a.
After the aquaculture tail water treatment device 1000 is used, the aquaculture tail water treatment device 1000 is taken out from a tail water treatment tank, the cover plate 300 is opened again, the nitrogen-removing modified attapulgite is drawn out from the installation cavity 100a, then the positioning piece 200 is gradually moved towards the orifice of the installation cavity 100a and the bottom of the positioning piece 200 is arranged on the upper side until the orifice of the installation cavity 100a is moved out, and the volcanic rocks are taken out from the accommodating cavity 200 a. Thus, the used volcanic rock and the nitrogen-removing modified attapulgite can be cleaned.
In an embodiment of the present invention, referring to fig. 1 to fig. 3, the number of the positioning members 200 is plural, the positioning members 200 are sequentially and fixedly mounted in the installation cavity 100a from the cavity opening of the installation cavity 100a to the cavity bottom of the installation cavity 100a, and the top point of one positioning member 200 and the bottom surface of another positioning member 200 in two adjacent positioning members 200 are located at the same side, so that the side surfaces of two adjacent positioning members 200 abut against each other, thereby saving space.
The number of the positioning members 200 may be two, three, four, five, six, seven, eight, nine, ten, etc., and is not particularly limited herein.
In order to facilitate the tail water to flow into the accommodating cavity 200a, in an embodiment of the present invention, please refer to fig. 1 to 3, a plurality of protrusions 210 are protruded from the bottom of the positioning member 200 and are circumferentially spaced, and the protrusions 210 are abutted against the cavity wall of the installation cavity 100a, so as to form a water inlet between two adjacent protrusions 210, the bottom of the positioning member 200 and the cavity wall of the installation cavity 100 a.
Through the technical scheme, after tail water flows into the mounting cavity 100a from the water inlet hole 100b, the tail water flows into the accommodating cavity 200a of the positioning piece 200 along the water inlet, so that the tail water can conveniently flow into the accommodating cavity 200 a.
In order to enhance the clamping strength of the positioning member 200, in an embodiment of the present invention, referring to fig. 3, the top of the positioning member 200 is cut to form a propping plane 200b propping against the cavity wall of the installation cavity 100 a.
In order to pour out the nitrogen-removing modified attapulgite from the installation cavity 100a conveniently, in an embodiment of the present invention, please refer to fig. 1 to 3, a thread groove is concavely disposed on the abutting plane 200b, a through hole communicated with the thread groove is disposed on the inner wall of the installation cavity 100a, and the through hole is connected to the thread groove through a screw 110.
Through foretell technical scheme, can be with setting element 200 and base member 100 fixed connection, so can avoid when pouring out nitrogen removal type modified attapulgite from installation cavity 100a, drive setting element 200 and remove towards the open end of installation cavity 100 a.
In this embodiment, the screw 110 is a bolt, the outer wall of the base 100 is recessed with a receiving groove communicated with the through hole, and the head of the bolt is located in the receiving groove, so as to ensure the flatness of the outer wall of the base 100. In other embodiments, the screw 110 may be provided as a screw, a bolt, or the like.
In an embodiment of the present invention, referring to fig. 1 to 3, the aquaculture tail water treatment device 1000 further includes a water inlet pipe 400 and a water outlet pipe 500. The water inlet pipe 400 is arranged in a conical shape, one end with a larger aperture is connected with the water inlet hole 100b, and the other end with a smaller aperture extends towards the installation cavity 100 a; the outlet pipe 500 is disposed in a conical shape, and one end with a larger aperture is connected to the outlet hole 100c, and the other end with a smaller aperture extends in a direction away from the mounting cavity 100 a.
Through the technical scheme, the tail water can conveniently flow into the matrix 100 along the water inlet pipe 400, and can conveniently flow out of the matrix 100 along the water outlet pipe 500 after the tail water is treated.
In an embodiment of the present invention, please refer to fig. 1 and 2, one side of the cover plate 300 is pivotally connected to the base 100 via a hinge, the other side of the cover plate 300 is provided with a first wedge-shaped clamping groove 300a, and the corresponding side of the base 100 is provided with a second wedge-shaped clamping groove 100d which can be spliced with the first wedge-shaped clamping groove 300 a. Aquaculture tail water treatment facilities 1000 still includes joint piece 600, and joint piece 600 is including being two joint portions of relative setting, and two joint portions cooperate with first wedge joint groove 300a and second wedge joint groove 100d joint respectively to make joint piece 600 can be with base member 100 and closing cap board 300 fixed connection.
When the open end of the accommodating cavity 200a is covered, the cover plate 300 is rotated to cover the open end of the accommodating cavity 200a, and then the two clamping portions of the clamping block 600 are clamped with the first wedge-shaped clamping groove 300a and the second wedge-shaped clamping groove 100d respectively, so that the cover plate 300 and the base body 100 can be fixedly connected.
When the cover plate 300 is opened, the two clamping portions of the clamping block 600 are respectively pulled out from the first wedge-shaped clamping groove 300a and the second wedge-shaped clamping groove 100d, so that the fixed connection between the cover plate 300 and the base body 100 can be released, and the cover plate 300 is opened.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. An aquaculture tail water treatment apparatus, comprising:
the water inlet device comprises a base body and a water outlet, wherein the base body is provided with an installation cavity with an opening at one end, and the wall of the installation cavity is provided with a water inlet hole and a water outlet hole in a penetrating way;
the positioning piece is fixedly arranged in the mounting cavity, an accommodating cavity with one open end is concavely arranged on the surface of the positioning piece, and the cross section area of the accommodating cavity is gradually increased from the cavity bottom to the cavity opening;
the water purifying material comprises volcanic rocks and nitrogen-removing modified attapulgite, the volcanic rocks are filled in the accommodating cavity, and the nitrogen-removing modified attapulgite is filled between the cavity wall of the mounting cavity and the outer surface of the positioning piece;
and the cover sealing plate is connected with the base body and is used for sealing the open end of the accommodating cavity.
2. The aquaculture tail water treatment device of claim 1, wherein the positioning member is arranged in a conical shape, and the bottom of the positioning member is concavely arranged to form the accommodating cavity;
the top and the bottom of the positioning piece are clamped between two opposite cavity walls of the installation cavity.
3. The aquaculture tail water treatment device according to claim 2, wherein the number of the positioning members is multiple, the positioning members are sequentially and fixedly arranged in the installation cavity from the cavity opening of the installation cavity to the cavity bottom of the installation cavity,
the top of one of the positioning parts and the bottom of the other positioning part in two adjacent positioning parts are positioned on the same side, so that the side surfaces of the two adjacent positioning parts abut against each other.
4. The aquaculture tail water treatment device of claim 2, wherein a plurality of protrusions are arranged at intervals along the circumferential direction of the positioning piece in a protruding mode at the bottom of the positioning piece, and the protrusions are abutted to the wall of the installation cavity.
5. The aquaculture tail water treatment device of claim 2, wherein the top of the positioning member is cut to form an abutting plane abutting against the wall of the installation cavity.
6. The aquaculture tail water treatment device of claim 5, wherein the abutting plane is concavely provided with a thread groove, the inner wall of the mounting cavity is provided with a through hole communicated with the thread groove, and the through hole is connected with the thread groove through a screw connector.
7. The aquaculture tail water treatment apparatus of claim 1, further comprising a water inlet pipe and a water outlet pipe,
the water inlet pipe is arranged in a conical shape, one end with the larger aperture is connected with the water inlet hole, and the other end with the smaller aperture extends towards the installation cavity;
the water outlet pipe is arranged in a conical shape, one end with a larger aperture is connected with the water outlet hole, and the other end with a smaller aperture extends towards the direction far away from the installation cavity.
8. The aquaculture tail water treatment device of claim 1, wherein one side of the cover sealing plate is pivoted with the base body, the other side of the cover sealing plate is provided with a first wedge-shaped clamping groove, the corresponding side of the base body is provided with a second wedge-shaped clamping groove which can be spliced with the first wedge-shaped clamping groove,
aquaculture tail water processing apparatus still includes the joint piece, the joint piece is including being two joint portions of relative setting, two joint portion respectively with first wedge joint groove with second wedge joint groove joint cooperation, so that the joint piece can with the base member with closing cap plate fixed connection.
9. The aquaculture tail water treatment device according to any one of claims 1 to 8, wherein the mass ratio of the volcanic rock to the nitrogen-removing modified attapulgite is 1: 1.
Priority Applications (1)
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CN202022264614.4U CN213569719U (en) | 2020-10-12 | 2020-10-12 | Aquaculture tail water treatment device |
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CN202022264614.4U CN213569719U (en) | 2020-10-12 | 2020-10-12 | Aquaculture tail water treatment device |
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CN213569719U true CN213569719U (en) | 2021-06-29 |
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CN202022264614.4U Active CN213569719U (en) | 2020-10-12 | 2020-10-12 | Aquaculture tail water treatment device |
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