CN113003893B

CN113003893B - Environment-friendly water circulation purification device and water treatment method

Info

Publication number: CN113003893B
Application number: CN202110344997.2A
Authority: CN
Inventors: 陈海珍
Original assignee: Hunan Three Carbon Environmental Protection Co ltd
Current assignee: Hunan Three Carbon Environmental Protection Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2023-01-17
Anticipated expiration: 2041-03-31
Also published as: CN113003893A

Abstract

The invention discloses an environment-friendly water circulation purification device and a water treatment method, wherein the environment-friendly water circulation purification device comprises a box body, wherein the box body is arranged above the water level of a pond in a rich water period; the upper end of the box body is provided with an opening, a cover plate is assembled at the opening, four edges of the cover plate are folded downwards to form an inner edge part, the inner edge part is inserted into the inner wall of the box body, a fixing part for fixing the inner edge part is screwed in the outer side of the box body, and after the fixing part is adopted, the assembling positions of the inner edge part and the box body can be reasonably adjusted according to the root development of a planted plant, for example, the inner edge part can be moved upwards by a plant with a developed root system, so that a larger space is provided for the root development of the plant; this device carries out loop filter to pond stagnant water specially, and utilizes the water of extraction to carry out nutrition irrigation.

Description

Environment-friendly water circulation purification device and water treatment method

Technical Field

The invention relates to an environment-friendly water circulation purification device and a water treatment method.

Background

Pond culture is a very common fish culture mode, but in the pond culture, adopted water is stagnant water which does not flow, excrement of fishes can be accumulated at the bottom of a pond, and the water quality is smelly after the excrement of the fishes grows, so that the meat quality of the fishes has very obvious earthy smell and very poor taste.

However, the aim of improving the water quality is achieved only by introducing running water through the way of changing water at irregular intervals, and pumping out the dead water in the pond. Although the operation can improve the water quality to a certain extent, the cost of the water circulating and changing mode is very high, and if the discharged dead water flows to a river channel, the discharged dead water causes eutrophication of the river channel and causes water pollution of the river channel.

Therefore, the environment-friendly water circulation purification device and the water treatment method are designed, wherein the environment-friendly water circulation purification device and the water treatment method are specially used for carrying out circulation filtration on pond dead water and carrying out nutrition irrigation by using extracted water.

Disclosure of Invention

The invention aims to provide an environment-friendly water circulation purification device and a water treatment method which are specially used for carrying out circulation filtration on dead water in a pond and carrying out nutrition irrigation by using extracted water.

In order to solve the problems, the invention adopts the following technical scheme:

an environment-friendly water circulation purification device comprises a box body, wherein the box body is made of stainless steel, and the wall thickness is 1.8mm to 2.4mm; the box body is arranged above the water level of the pond in the water-rich period; the box body is arranged above the water level in the rich water period, so that the water can be prevented from soaking in the rainy season; an opening is formed in the upper end of the box body, a cover plate is assembled at the opening, and the material of the cover plate is consistent with that of the box body; the branch in the four sides of apron forms after inwards folding down, and interior branch inserts extremely the inner wall of box body the outside screw in of box body has fixedly after adopting the mounting, can be according to the root system development of planting the plant in the branch of branch in the limit, come the assembly position of reasonable regulation interior branch and box body, for example, the developed plant of root system then can provide bigger space with interior branch rebound, the root system development for the plant. A plurality of stepped grooves are formed in the left and right of the top of the cover plate, planting boxes are installed in the stepped grooves, and through holes are uniformly distributed in the surfaces of the planting boxes; the through holes are convenient for the root system of the plant to develop outwards. The lower end of the planting box is inserted into the box body through the stepped groove; an outer edge part is arranged on the outer wall of the planting box and is limited on the step surface of the step groove; an assembling hole is formed in the middle of the cover plate; a water inlet pipe which is conveyed downwards is assembled through the assembly hole; the inner bottom of the box body is symmetrically provided with a baffle plate in the left-right direction, an overflow cavity is formed between the baffle plates at two sides, and a filtering cavity is formed at the side of the baffle plate far away from the overflow cavity; a water outlet hole communicated with the filter cavity is formed in the bottom of the box body; a filter material covering the water outlet hole is filled in the filter cavity; an overflow groove is arranged on the outer wall of the box body, and the height of the overflow groove is higher than that of the partition plate; the setting of overflow chamber can remain sufficient water in the box body and absorb for the root system of plant, avoids vegetation lack of water. The redundant water passes through the filter material after passing through the partition plate, and the filtered water flows back to the pond again. Realizes the circulating filtration of water and achieves the purpose of purifying water quality. The water surface treatment device also comprises a supporting component for supporting the box body above the water surface; the box body can slide along the longitudinal direction of the supporting component.

Preferably, the fixing member is a screw.

Preferably, the supporting member comprises a plurality of inserting rods which are longitudinally arranged, the lower ends of the inserting rods are pointed ends, the pointed ends are inserted into the soil layer, a guide rail is assembled between the longitudinally adjacent inserting rods, the upper ends of the inserting rods are provided with threaded parts, nuts are matched through the threaded parts, and the nuts are supported at the bottoms of the guide rails; arc-shaped convex strips are arranged at the left end and the right end of the guide rail; a plurality of arc-shaped sliding seats are symmetrically arranged on the left side surface and the right side surface of the box body, and the sliding seats are matched with the arc-shaped convex strips; in the structure, the box body is erected between the left guide rail and the right guide rail.

Preferably, the filter material comprises medical stone particles on the upper layer and activated carbon particles on the lower layer; the two kinds of the filter materials are common filter materials, and the use cost is low.

Preferably, a water distribution plate is arranged at the bottom of the cover plate, and the left end and the right end of the water distribution plate are bent upwards in an inclined manner to form side plate parts; a plurality of clamping jaws are arranged on the left and right sides of the bottom of the cover plate, and clamping grooves matched with the clamping jaws are formed in the outer sides of the side plate parts; the surfaces of the water distribution plates are uniformly distributed with water distribution holes, and the lower ends of the water inlet pipes correspond to the water distribution plates; when the water distribution plate is not selected, water flow is concentrated, and the excessively concentrated water flow can impact the root system of the plant and is unfavorable for the growth of the plant. The water in the box body can be fully stirred by the excessively concentrated water flow, so that the impurity precipitation effect in the water is poor; the effect of deposiing worsens, just also means to have more fish excrement and urine to enter into the filter media, shortens the maintenance cycle of filter media, also makes the absorbable fish excrement and urine's of plant quantity reduce simultaneously. After the water distribution plate is adopted, water flow can be evenly distributed, impact on water in the box body is reduced, and deposition of excrement in water is facilitated.

Preferably, the top of the cover plate is provided with a left groove and a right groove, the stepped groove is formed in the bottom of the groove, and when the cover plate and the box body are assembled, the box body forms plugs at the front end and the rear end of the groove; two water distribution pipes are arranged on the outer wall of the water inlet pipe, the end, far away from the water inlet pipe, of each water distribution pipe is closed, and water distribution holes corresponding to the bottoms of the grooves are formed in the bottoms of the water distribution pipes; the inner wall that the both ends of recess pass through the box body seals, and this structure can directly put in the recess with the fertilizer granule when carrying out artifical fertilization, along with the play water of distributive pipe department, melts fertilizer, helps the root system absorption of plant. Above-mentioned product structure, still provide a new processing mode, in winter, the living space of water planting plant is abominable, most water planting plant can't survive under natural environment, therefore, we can seal the lower extreme of inlet tube, let the water of extracting out can only discharge through the distributive pipe, then we can fill the filter pulp in planting the box, lay one deck medical stone in the top of filter pulp and suppress, water through the distributive pipe exhaust carries out once filtering through the medical stone, the rethread filter pulp carries out secondary filter, then get into again and deposit in the box body, go on filtering once more in getting into the filter media after the highest position of baffle is reached to the water level, improvement water purification efficiency that this kind of operating means can be great. If the water quality condition is poor, the improvement can be carried out in the above mode, and then the water culture of the plants is carried out after the improvement.

Preferably, a barrier strip is arranged at the groove wall of the groove, the front end and the rear end of the barrier strip are closed, a plurality of water distribution notch grooves are formed in the surface of the barrier strip, and the water distribution holes correspond to the barrier strip; the water flowing out of the water diversion hole is received by the barrier strip and then is distributed to the water diversion gap groove; because the longitudinal length of recess is longer, and the play water of distributive pipe is too concentrated, leads to the plant at front and back both ends probably can't obtain the moisturizing, consequently, we have designed above-mentioned blend stop, realizes the reposition of redundant personnel of water through the blend stop, lets the root system of the plant that is located in the planting box can effectual moisturizing content (at the initial stage of water planting vegetation, because the root system of part plant is flourishing inadequately, probably can't absorb the moisture content in the box body, consequently adopt above-mentioned structure can effectual realization moisturizing, avoids the plant to lack water).

Preferably, the outer side of the inner edge part is provided with a gap groove, a rubber sealing strip is glued at the gap groove, and the sealing strip is in contact with the inner wall of the box body to form sealing; the above structure is to increase the sealing property.

Preferably, a dirt cleaning hole is formed in the bottom of the box body, and an end cover is connected to the dirt cleaning hole in a threaded mode; after the interior bottom deposit of box body more fish excrement and urine, can lead to smelly, consequently the end cover is opened to the regular, lets the excrement and urine of collecting discharge out, and the hole of decontaminating designs in the both ends department that is close to the box body bottom, when the clearance, can slide the box body, lets the excrement and urine of getting rid of discharge on the ground container, carries out same processing, avoids flowing back again to the pond in.

A treatment method of an environment-friendly water circulation purification device comprises the following steps:

step 1: the device is built above the water surface of the culture pond, and hydroponic plants are planted in the planting boxes;

step 2: preparing a circulating pump, inserting one end of the circulating pump for pumping water into the pond, butting the other end of the circulating pump with a water inlet pipe, continuously pumping the water in the culture pond to a box body, wherein the water in the culture pond contains fish feces, the water entering the box body starts to accumulate until the water exceeds a partition plate, the water exceeding the partition plate permeates a filter material and then flows back into the pond, and under the operation of the circulating pump, the water between the two partition plates is always in a full-load state, so that the root system of the aquatic plant can effectively absorb nutrients in the water, and because the water is in the full-load state, nutrient substances (the fish feces) in the water can generate partial precipitation and supply the nutrients to the root system of the aquatic plant;

and step 3: after the plants grow, taking out the planting boxes, harvesting, and continuing planting; the cover plate can be opened, and after the cover plate is opened, the filter material can be replaced conveniently.

The beneficial effects of the invention are:

1) The device is built above the pond, a shading area can be formed above the pond after the building is completed, the water temperature can be obviously reduced in summer, the heat preservation effect can be achieved in winter, and the death rate of fishes is reduced;

2) After the device is built, water in the pond can be pumped by the water pump and conveyed to each box body, the roots of the hydroponic plants planted on the cover plate can absorb excrement in the water, the water quality is improved, meanwhile, the excessive water flows back into the pond again after being filtered by the filter materials, and when the excessive water flows back, oxygen in the air is brought into the water, so that the oxygen content in the water is increased, and therefore, after the device is adopted, manual oxygenation is not needed, and the breeding cost is reduced;

3) The hydroponic plants can be harvested at regular time and can be sold after being harvested so as to supplement the culture cost; the breeding benefit is improved;

4) The structure of this device is comparatively simple, and the cost is comparatively cheap, is fit for using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 drawings without creative efforts.

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

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a cross-sectional view of the cover plate;

fig. 4 is a top view of the cover plate.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 4.

Example 1

An environment-friendly water circulation purification device comprises a box body 1, wherein the box body 1 is made of stainless steel, and the wall thickness is 2mm; the box body 1 is arranged above the water level of the pond in the rich water period; the box body 1 is arranged above the water level in the rich water period, so that the water can be prevented from soaking in the rainy season; an opening is formed in the upper end of the box body 1, a cover plate 2 is assembled at the opening, and the material of the cover plate 2 is consistent with that of the box body 1; interior limit part 201 is formed after the four sides infolding of apron 2, and interior limit part 201 inserts extremely the inner wall of box body 1's outside screw in has fixedly in box body 1's the mounting 3 of interior limit part 201, after adopting mounting 3, can be according to the root system development of the plant of planting, come the assembly position of interior limit part 201 of reasonable regulation and box body 1, for example, the plant that the root system is developed, then can provide bigger space with interior limit part 201 rebound for the root system development of plant. A plurality of stepped grooves 202 are arranged on the left and right of the top of the cover plate 2, planting boxes 4 are arranged in the stepped grooves 202, and through holes 444 are uniformly distributed on the surfaces of the planting boxes 4; the through-holes 444 facilitate the development of the root system of the plant. The lower end of the planting box 4 is inserted into the box body 1 through the stepped groove 202; an outer edge part 401 is arranged on the outer wall of the planting box 4, and the outer edge part 401 is limited on the step surface of the step groove 202; a mounting hole 203 is formed in the middle of the cover plate 2; a feed pipe 5 for feeding downward is fitted through the fitting hole 203; a partition plate 101 is symmetrically arranged at the left and right of the inner bottom of the box body 1, an overflow cavity 102 is formed between the partition plates 101 at two sides, and a filtering cavity 103 is formed at the side of the partition plate 101 far away from the overflow cavity 102; a water outlet hole 104 communicated with the filter cavity 103 is formed in the bottom of the box body 1; a filter material 6 covering the water outlet hole 104 is filled in the filter cavity 103; an overflow groove 105 is arranged on the outer wall of the box body 1, and the height of the overflow groove 105 is higher than that of the partition 101; the overflow cavity 102 can retain enough water in the box body 1 to be absorbed by the root system of the plant, so as to avoid water shortage during the growth of the plant. The excess water passes through the filter material 6 after passing through the partition plate 101, and the filtered water flows back to the pond again. Realizes the circulating filtration of water and achieves the purpose of purifying water quality. The water storage tank also comprises a supporting component 7 for supporting the tank body 1 above the water surface; the case 1 is slidable in the longitudinal direction of the support member 7.

Example 2

The supporting member 7 comprises a plurality of inserting rods 701 which are longitudinally arranged, the lower ends of the inserting rods 701 are pointed ends, the pointed ends are inserted into the soil layer, guide rails 702 are assembled between the longitudinally adjacent inserting rods 701, the upper ends of the inserting rods 701 are provided with threaded parts, nuts 703 are matched through the threaded parts, and the nuts 703 are supported at the bottoms of the guide rails 702; arc-shaped convex strips 704 are arranged at the left end and the right end of the guide rail 702; a plurality of arc-shaped sliding seats 121 are symmetrically arranged on the left side surface and the right side surface of the box body 1, and the sliding seats 121 are matched with the arc-shaped convex strips 704; in the above configuration, the case 1 is bridged between the left and right guide rails 702.

Example 3

The filter material 6 comprises medical stone particles at the upper layer and active carbon particles at the lower layer; the two kinds of the filter materials are common filter materials, and the use cost is low.

Example 4

The bottom of the cover plate 2 is provided with a water distribution plate 8, and the left end and the right end of the water distribution plate 8 are obliquely bent upwards to form side plate parts 801; a plurality of claws 221 are arranged on the left and right of the bottom of the cover plate 2, and a clamping groove 881 matched with the claws 221 is arranged on the outer side of the side plate part 801; the surface of the water distribution plate 8 is uniformly provided with water distribution holes 802, and the lower end of the water inlet pipe 5 corresponds to the water distribution plate 8; when the water distribution plate 8 is not selected, the water flow is concentrated, and the excessively concentrated water flow can impact the root system of the plant and is unfavorable for the growth of the plant. The water flow which is too concentrated can fully stir the water in the box body 1, so that the impurity precipitation effect in the water is poor; the effect of deposiing worsens, just also means to have more fish excrement and urine to enter into the filter media, shortens the maintenance cycle of filter media, also makes the absorbable fish excrement and urine's of plant quantity reduce simultaneously. After the water distribution plate is adopted, water flow can be distributed uniformly, impact on water in the box body 1 is reduced, and deposition of excrement in water is facilitated.

Example 5

The top of the cover plate 2 is provided with a left groove 222 and a right groove 222, the stepped groove 202 is arranged at the bottom of the groove 222, and when the cover plate 2 and the box body 1 are assembled, the box body 1 forms a plug at the front end and the rear end of the groove 222; two water diversion pipes 511 are arranged on the outer wall of the water inlet pipe 5, the end of the water diversion pipe 511 far away from the water inlet pipe 5 is closed, and the bottom of the water diversion pipe 511 is provided with a water diversion hole 512 corresponding to the bottom of the groove 222; the both ends of recess 222 are sealed through the inner wall of box body 1, and this structure can directly put in the recess 222 with the fertilizer granule when carrying out artifical fertilization, along with the play water of distributive pipe 511 department, melts fertilizer, helps the root system absorption of plant.

Example 6

A barrier strip 223 is arranged on the groove wall of the groove 222, the front end and the rear end of the barrier strip 223 are closed, a plurality of water diversion gap grooves 224 are arranged on the surface of the barrier strip 223, and the water diversion holes 512 correspond to the barrier strip 223; the water flowing out from the water diversion hole 512 is received by the barrier strip 223 and then is distributed to the water diversion notch groove 224; because the longitudinal length of the groove 222 is long, and the water outlet of the water distribution pipe 511 is too concentrated, the plants at the front end and the rear end can possibly not be supplemented with water, therefore, the blocking strip 223 is designed, the water is distributed through the blocking strip 223, the root system of the plants in the planting box 4 can be effectively supplemented with water (in the initial stage of growth of the water planting plants, the root system of partial plants is not developed enough and can possibly not absorb the water in the box body 1, and therefore the water can be effectively supplemented by adopting the structure, and the water shortage of the plants is avoided).

Example 7

A notch groove 232 is formed in the outer side of the inner edge portion 201, a rubber sealing strip 242 is glued at the notch groove 232, and the sealing strip 242 is in contact with the inner wall of the box body 1 to form sealing; the above structure is to increase the sealing property.

Example 8

A dirt cleaning hole is formed in the bottom of the box body 1, and an end cover is connected to the dirt cleaning hole in a threaded mode; after the interior bottom deposit of box body 1 more fish excrement and urine, can lead to smelly, consequently the end cover is opened to regular, lets the excrement and urine of collecting discharge out, and the hole of decontaminating designs in the both ends department that is close to 1 bottoms of box body, when clearing up, can slide box body 1, lets the excrement and urine of getting rid of discharge on the ground container, carries out same processing, avoids flowing back again to the pond in.

Example 9

step 1: the device is built above the water surface of the culture pond, and hydroponic plants are planted in the planting boxes 4;

step 2: preparing a circulating pump, inserting one end of the circulating pump for pumping water into the pond, butting the other end of the circulating pump with a water inlet pipe 5, continuously pumping the water in the culture pond to a box body 1, wherein the water in the culture pond contains fish feces, the water entering the box body 1 starts to accumulate until the water is higher than a partition plate 101, the water higher than the partition plate 101 permeates a filter material 6 and then flows back to the pond, and under the operation of the circulating pump, the water between the two partition plates 101 is always in a full load state, so that the root system of the aquatic plant can effectively absorb nutrients in the water, and the water is in the full load state, so that the fish feces in the water can generate partial precipitate, and the nutrients are supplied to the root system of the aquatic plant;

and step 3: after the plants grow, the planting boxes 4 are taken out and harvested, and then the plants are continuously planted; the cover plate 2 can be opened, and after the cover plate is opened, the filter material 6 can be replaced conveniently.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an environmental protection hydrologic cycle purifier which characterized in that: the device comprises a box body (1), wherein the box body (1) is arranged above the water level of the pond in the water-rich period; the upper end of the box body (1) is provided with an opening, the opening is provided with a cover plate (2), four sides of the cover plate (2) are inwards folded downwards to form an inner side part (201), the inner side part (201) is inserted into the inner wall of the box body (1), a fixing part (3) for fixing the inner side part (201) is screwed into the outer side of the box body (1), a plurality of stepped grooves (202) are formed in the left side and the right side of the top of the cover plate (2), planting boxes (4) are installed in the stepped grooves (202), and through holes (444) are uniformly distributed on the surfaces of the planting boxes (4); the lower end of the planting box (4) is inserted into the box body (1) through the stepped groove (202); an outer edge part (401) is arranged on the outer wall of the planting box (4), and the outer edge part (401) is limited on the step surface of the step groove (202); an assembling hole (203) is formed in the middle of the cover plate (2); a feed pipe (5) for feeding downward is mounted through the mounting hole (203); baffles (101) are symmetrically arranged at the left and right sides of the inner bottom of the box body (1), an overflow cavity (102) is formed between the baffles (101) at the two sides, and a filtering cavity (103) is formed at the side, far away from the overflow cavity (102), of the baffle (101); a water outlet hole (104) communicated with the filter cavity (103) is formed in the bottom of the box body (1); a filter material (6) covering the water outlet hole (104) is filled in the filter cavity (103); an overflow groove (105) is formed in the outer wall of the box body (1), and the height of the overflow groove (105) is higher than that of the partition plate (101); the water storage tank also comprises a supporting component (7) used for supporting the box body (1) above the water surface;

the water distribution plate (8) is arranged at the bottom of the cover plate (2), and the left end and the right end of the water distribution plate (8) are obliquely bent upwards to form side plate parts (801); a plurality of clamping claws (221) are arranged on the left and right sides of the bottom of the cover plate (2), and clamping grooves (881) matched with the clamping claws (221) are arranged on the outer sides of the side plate parts (801); water distribution holes (802) are uniformly distributed on the surface of the water distribution plate (8), and the lower end of the water inlet pipe (5) corresponds to the water distribution plate (8);

the top of the cover plate (2) is provided with a left groove (222) and a right groove (222), the stepped groove (202) is formed in the bottom of the groove (222), and when the cover plate (2) and the box body (1) are assembled, the box body (1) is sealed at the front end and the rear end of the groove (222); two water distribution pipes (511) are arranged on the outer wall of the water inlet pipe (5), the end, far away from the water inlet pipe (5), of each water distribution pipe (511) is closed, and water distribution holes (512) corresponding to the bottoms of the grooves (222) are formed in the bottoms of the water distribution pipes (511); a baffle strip (223) is arranged at the groove wall of the groove (222), the front end and the rear end of the baffle strip (223) are closed, a plurality of water diversion notch grooves (224) are formed in the surface of the baffle strip (223), and the water diversion holes (512) correspond to the baffle strip (223); the water flowing out from the water distribution hole (512) is received by the barrier strip (223) and then distributed to the water distribution notch groove (224).

2. The environmental protection water circulation purification device according to claim 1, wherein: the supporting member (7) comprises a plurality of inserting rods (701) which are longitudinally arranged, the lower ends of the inserting rods (701) are sharp ends, the sharp ends are inserted into soil layers, guide rails (702) are assembled between the longitudinally adjacent inserting rods (701), the upper ends of the inserting rods (701) are provided with threaded portions, nuts (703) are matched through the threaded portions, and the nuts (703) are supported at the bottoms of the guide rails (702); the left end and the right end of the guide rail (702) are provided with arc-shaped convex strips (704); the left side and the right side of the box body (1) are symmetrically provided with a plurality of arc-shaped sliding seats (121), and the sliding seats (121) are matched with the arc-shaped convex strips (704).

3. The environmental protection water circulation purification device according to claim 1, wherein: the outside of interior limit part (201) is provided with breach groove (232), and it has rubber material's sealing strip (242) to glue in breach groove (232), sealing strip (242) contact form behind the inner wall of box body (1) sealedly.

4. The environmental protection water circulation purification device according to claim 1, wherein: the bottom of the box body (1) is provided with a dirt cleaning hole, and an end cover is connected to the dirt cleaning hole through threads.

5. A treatment method of the environmental protection water circulation purification device as claimed in claim 1, characterized in that: the method comprises the following steps:

step 1: the device is built above the water surface of the culture pond, and hydroponic plants are planted in the planting boxes (4);

step 2: preparing a circulating pump, inserting one end of the circulating pump for pumping water into the pond, butting the other end of the circulating pump with a water inlet pipe (5), continuously pumping the water in the culture pond to a box body (1), wherein the water in the culture pond contains fish feces, the water entering the box body (1) starts to accumulate until the water is higher than a partition plate (101), and the water higher than the partition plate (101) flows back into the pond after permeating a filter material (6), under the operation of the circulating pump, the water between the two partition plates (101) is always in a full-load state, so that the root system of the aquatic plant can effectively absorb nutrients in the water, and the fish feces in the water can generate partial precipitation due to the full-load state of the water, and the nutrients are supplied to the root system of the aquatic plant;

and 3, step 3: after the plants grow, the planting boxes (4) are taken out and harvested, and then the plants are continuously planted; the cover plate (2) can be opened, and after the cover plate is opened, the filter material (6) can be replaced conveniently.