CN111470642A

CN111470642A - River course oxygenation system

Info

Publication number: CN111470642A
Application number: CN202010491044.4A
Authority: CN
Inventors: 邢国兵; 陈守见
Original assignee: Bengbu Keruida Machinery Design Co ltd
Current assignee: Bengbu Keruida Machinery Design Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2020-07-31
Anticipated expiration: 2040-06-02
Also published as: CN112390386A; CN111470642B

Abstract

The invention discloses a river channel oxygenation system, which comprises a water blocking mechanism, a support frame, a plurality of cover plates and a plurality of oxygenation mechanisms, wherein each oxygenation mechanism is connected with a water pipe, the water pipe is connected with a water inlet pipe through a three-way valve, the three-way valve is also connected with a connecting pipe and is connected with a water pump arranged in an inner cavity through the connecting pipe, a water pressure sensor is also arranged in the inner cavity, the water pump, the water pressure sensor and the three-way valve are respectively in communication connection with a controller, and when the water pressure detected by the water pressure sensor is greater than a threshold value, the controller controls the three-way valve; when the water pressure detected by the water pressure sensor is not greater than the threshold value, the controller controls the three-way valve to communicate the water pipe with the connecting pipe and start the water pump. The river oxygen increasing system provided by the invention can work in automatic intelligent switching modes in rivers with different water pressures and different time periods of the same river, and is wide in application; the oxygenation effect is good, and can carry out the water and make the scene.

Description

River course oxygenation system

Technical Field

The invention relates to the field of river water treatment, in particular to a river aeration system.

Background

The dissolved oxygen content in the river is an important index for measuring the water quality condition, the growth of aquatic organisms and the transportation, diffusion and degradation capacity of organic pollutants in the river are directly influenced by the dissolved oxygen content, the self-purification process of the whole water body is further influenced, the activity of aerobic bacterial groups can be enhanced by increasing the dissolved oxygen content of the river water body, the growth of aquatic animals and plants is facilitated, the good effects on eliminating the black and odorous water body of the river, passivating the bottom mud of a riverbed and slowing down the release of bottom mud pollutants are achieved, and the method is an effective measure for enhancing the self-purification capacity of the water body and improving the water quality of the river.

Disclosure of Invention

The invention aims to provide a river channel oxygenation system through analysis, experiments and use aiming at the defects and shortcomings of the prior various technologies.

The specific scheme of the invention is as follows: a river oxygen increasing system comprises a water blocking mechanism, a support frame, a plurality of cover plates and a plurality of oxygen increasing mechanisms, wherein the water blocking mechanism is a box body with an opening at the upper end, the support frame is fixed at the upper part of the left side of the water blocking mechanism, the plurality of cover plates are sequentially connected and covered on the left side of the support frame and fixed through bolts, the plurality of cover plates and the support frame form a right trapezoid-angle-shaped inner cavity, the water blocking mechanism is provided with a plurality of through pipes, one ends of the through pipes penetrate through the support frame to be communicated with the inner cavity, the other ends of the through pipes penetrate through the box body and extend to the right side of the box body, the oxygen increasing mechanisms are arranged on an inclined plate in a penetrating way, the oxygen increasing mechanisms are connected with water conveying pipes, the water conveying pipes are connected with water inlet pipes through three, a water pressure sensor is also arranged in the inner cavity, the water pump, the water pressure sensor and the three-way valve are respectively in communication connection with the controller, and when the water pressure detected by the water pressure sensor is greater than a threshold value, the controller controls the three-way valve to communicate the water pipe with the water inlet pipe; when the water pressure detected by the water pressure sensor is not greater than the threshold value, the controller controls the three-way valve to communicate the water pipe with the connecting pipe and start the water pump.

Preferably, a plurality of partition plates are uniformly arranged in the box body and are separated into a plurality of filling grooves through the partition plates, a plurality of through holes are formed in the partition plates, and the through pipe is arranged at the lower part of each filling groove.

Preferably, the water filtering mechanism comprises a trapezoid cement shell, a second metal net is fixed at the bottom opening of the trapezoid cement shell, the water inlet pipe is inserted from the top of the trapezoid cement shell and extends to the middle of the trapezoid cement shell, a first metal net is fixed at the tail end of the water inlet pipe, and gravels are filled in the trapezoid cement shell.

Preferably, the support frame includes the fixed plate, connects two curb plates in the fixed plate left and right sides and connect between two curb plates and with horizontal short slab, horizontal long slab, first folded plate and the second folded plate of fixed plate integrated into one piece, the fixed plate is fixed on water blocking mechanism left side upper portion, horizontal short slab, horizontal long slab connect respectively on the fixed plate perpendicularly, the lower extreme just all are located the fixed plate left side, first folded plate is connected in horizontal short slab outer end and is set up downwards to one side, the second folded plate is connected in horizontal long slab outer end and sets up with first folded plate relatively in the slant, the apron includes integrated into one piece's hang plate, third folded plate and fourth folded plate, third folded plate, fourth folded plate connect respectively on the hang plate, the lower extreme and the equal level extend to the right side, fourth folded plate length is greater than the third folded plate, contained angle between third folded plate, the hang plate and first folded plate, The included angle between the horizontal short plates is the same and can be mutually clamped, and the included angle between the fourth folded plate and the inclined plate is the same as the included angle between the second folded plate and the horizontal long plate and can be mutually clamped.

Preferably, the transverse short plate is provided with a plurality of placing grooves in the extension direction, the transverse long plate is provided with fixing grooves corresponding to the placing grooves from top to bottom, a first biological filler plate is fixedly inserted through the placing grooves and the fixing grooves, and a second biological filler plate is placed on the transverse long plate and is fixed with the first biological filler plate through a second folded plate.

Preferably, a fish passing gap is formed between every two adjacent first biological filler plates, a row of fish passing holes are correspondingly formed in the inclined plate and the second folded plate, and a row of fish passing holes are correspondingly formed in the inclined plate and the first folded plate.

Preferably, the water blocking mechanism right side is connected with the filter screen through controlling the bracing piece can be dismantled, the filter screen is located the through pipe right side and with the through pipe interval setting.

Preferably, apron one side lateral wall is formed with the flange, and the opposite side lateral wall is formed with can with flange complex recess, and two adjacent apron realize the joint cooperation through flange and recess, the total length of support frame is greater than the total length of all apron, the support frame both ends are provided with the connecting plate, the connecting plate is connected between curb plate, first folded plate and second folded plate.

Preferably, the oxygenation mechanism comprises a cylinder body, a rotating sleeve, a vane wheel, a guide sleeve, a mounting seat, a first oxygenation arm and a second oxygenation arm, the cylinder body is arranged on the inclined plate in a penetrating manner, the guide sleeve is fixed at the other end of the cylinder body, the vane wheel is sleeved outside the rotating sleeve and is fixedly connected with the rotating sleeve, the vane wheel and the rotating sleeve are arranged in the cylinder body and the guide sleeve in a penetrating manner and can rotate relative to the cylinder body and the guide sleeve, the first oxygenation arm is fixedly connected with the rotating sleeve through the mounting seat, the second oxygenation arm is fixed on the mounting seat and is distributed in a cross shape with the first oxygenation arm, the first oxygenation arm and the second oxygenation arm are both hollow tubes, the diameter of the second oxygenation arm is larger than that of the first oxygenation arm, nozzles are uniformly arranged on the first oxygenation arm, spray holes are uniformly arranged on the second oxygenation arm, a main flow passage is arranged in the middle of the cylinder body, one end of the main flow passage is connected, the other end of the main flow channel is communicated with the first oxygen increasing arm and is communicated with the second oxygen increasing arm through the mounting seat, a first side flow channel is formed in the upper portion of the cylinder body, a second side flow channel is formed in the guide sleeve, one end of the second side flow channel is communicated with the first side flow channel, the other end of the second side flow channel opens towards the blades of the blade wheel, a third side flow channel is formed in the lower portion of the cylinder body, one end of the third side flow channel leads to the blade wheel, and the other end of the.

By adopting the technical scheme, the invention has the following technical effects: the river channel oxygenation system provided by the invention can work in an automatic intelligent switching mode when the flowing water pressure of different rivers is high or low and the water pressure of the water flow of the same river is different in different time periods, and is wide in application; the oxygenation effect is good, and can carry out the water and make the scene.

Drawings

FIG. 1 is a schematic view of a river oxygenation system provided by the present invention applied to a river;

FIG. 2 is a schematic structural diagram of a river aeration system provided by the present invention;

FIG. 3 is a schematic structural view of a water filtering mechanism provided by the present invention;

FIG. 4 is a schematic structural diagram of an oxygen increasing mechanism provided by the present invention;

FIG. 5 is a schematic structural view of a first oxygen increasing arm and a second oxygen increasing arm according to the present invention;

fig. 6 is a schematic cross-sectional view of fig. 4.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

It should be noted that the terms of orientation such as front, back, left, right, up, down, front and back in the embodiments of the present invention are only relative concepts or reference to the normal use state of the product, and should not be considered as limiting.

Referring to fig. 1 to 6, an embodiment of the present invention provides a river oxygenation system. The river oxygen increasing system comprises a water blocking mechanism, a support frame, a plurality of cover plates and a plurality of oxygen increasing mechanisms, wherein the number of the oxygen increasing mechanisms is the same as that of the cover plates.

The water blocking mechanism is a box body 100 with an opening at the upper end, the lower end of the water blocking mechanism is fixed in a riverbed M, a plurality of partition plates 110 are uniformly arranged in the box body 100 and are divided into a plurality of filling grooves 120 through the partition plates 110, and a plurality of through holes 111 are formed in the partition plates 110. The filling groove 120 is filled with cement to fix the whole system in a heavy weight manner, and the partition 110 and the through hole 111 are provided to make the cement more firmly combined with the box body 100, thereby improving stability.

In addition, the support frame is fixed on the upper portion of the left side of the water blocking mechanism, the cover plates are sequentially connected and cover the left side of the support frame and are fixed through bolts, and the cover plates and the support frame form a right-angled trapezoid-shaped inner cavity N. The water blocking mechanism is provided with a plurality of through pipes 130, and the through pipes 130 are arranged at the lower part of each filling groove 120; one end of the through pipe 130 passes through the support frame and is communicated with the inner cavity N, and the other end of the through pipe passes through the box body 100 and extends to the right side of the box body 100. The through pipe 130 may be formed by drilling holes at both sides of the case 100 and then welded. The right side of the water blocking mechanism is detachably connected with a filter screen through a left support rod and a right support rod, and the filter screen is positioned on the right side of the through pipe 130 and is arranged at intervals with the through pipe 130. The filter screen is used for blockking that rubbish and pasture and water get into through pipe 130, through blockking of filter screen, can clear up in the relevant personnel get into the river course, in addition, the filter screen with link up 130 intervals of pipe and set up for the filter screen can not hinder the biology of aquatic such as fishes and shrimps, its still accessible river course oxygenation system.

Wherein, the supporting frame comprises a fixing plate 140, two side plates 141 connected at the left and right sides of the fixing plate 140, and a transverse short plate 142, a transverse long plate 143, a first folding plate 144 and a second folding plate 145 connected between the two side plates 141 and integrally formed with the fixing plate, the fixing plate 140 is fixed at the upper part of the left side of the water-blocking mechanism, the transverse short plate 142 and the transverse long plate 143 are respectively and vertically connected at the upper and lower ends of the fixing plate 140 and are all positioned at the left side of the fixing plate 140, the first folding plate 144 is connected at the outer end of the transverse short plate 142 and is obliquely arranged downwards, the second folding plate 145 is connected at the outer end of the transverse long plate 143 and is obliquely arranged opposite to the first folding plate 144, the cover plate comprises an integrally formed inclined plate 150, a third folding plate 151 and a fourth folding plate 152, the third folding plate 151 and the fourth folding plate 152 are respectively connected at the upper and lower ends of the inclined plate 150 and are horizontally extended right, the included angle between the third folding plate 151 and the inclined plate 150 is the same as the included angle between the first folding plate 144 and the transverse short plate 142, and the included angles can be mutually clamped; the angle between the fourth folding plate 152 and the inclined plate 150 is the same as the angle between the second folding plate 145 and the transverse long plate 143, and they can be engaged with each other. The main part of support frame: the fixing plate 140, the transverse short plate 142, the transverse long plate 143, the first folding plate 144 and the second folding plate 145 are integrally formed, and the cover plate is also integrally formed, so that the manufacturing process is simple, the cost is low, the third folding plate 151 and the inclined plate 150 of the cover plate can be mutually clamped with the first folding plate 144 and the transverse short plate 142 of the support frame, the fourth folding plate 152 and the inclined plate 150 of the cover plate can be mutually clamped with the second folding plate 145 and the transverse long plate 143 of the support frame, the cover plate and the support frame can be well fastened, and then the stable fastening can be realized through bolts or rivets, for example, the fastening can be realized at most four positions between the inclined plate 150 and the first folding plate 144, between the inclined plate 150 and the second folding plate 145, between the third folding plate 151 and the transverse short plate 142, and between the fourth folding plate 152 and the transverse long plate 143, so that the looseness between the cover plate and the support frame can be avoided, and the water-jet type water-jet combined support is more suitable for being used under the impact of water flow; moreover, the cover plate is very convenient to mount and dismount relative to the support frame, and time and labor are saved.

In addition, apron one side lateral wall is formed with the flange, and the opposite side lateral wall is formed with can with flange complex recess, and two adjacent apron realize the joint cooperation through flange and recess, the total length of support frame is greater than the total length of all apron, the support frame both ends are provided with the connecting plate, the connecting plate is connected between curb plate 141, first baffle 144 and second baffle 145. The connecting plate is used for sealing the water in the inner cavity N together with the side plate 141 and the cover plate. The structure setting of apron for behind the apron installation, mutual joint cooperation between the apron, it is spacing each other, for mutual independent apron structure, can further guarantee the fastening of apron and support frame, can stand the rivers impact of more being of a specified duration. And the total length of support frame is greater than the total length of all apron, the support frame both ends are provided with the connecting plate for the apron is when dismantling, inwards can dismantle in proper order from the marginal apron in both sides, thereby convenient maintenance to the system.

The transverse short plate 142 of the present invention is provided with a plurality of placing grooves 1420 in the direction of extension, the plurality of placing grooves 1420 may be arranged at intervals in the front-rear direction, the transverse long plate 143 is provided with fixing grooves vertically corresponding to the placing grooves 1420, the first bio-packing plates 160 are inserted and fixed through the placing grooves 1420 and the fixing grooves, and the transverse long plate 143 is provided with the second bio-packing plates 170 and fixed through the second folding plates 145 and the first bio-packing plates 160. The first biological packing plate 160 and the second biological packing plate 170 are vertically arranged, horizontally arranged, arranged opposite to the water flow direction and arranged along the water flow direction, and fully utilize the right-angled trapezoid-shaped inner cavity N to fully purify water; the upper end of the first biological packing plate 160 extends out of the support frame, so that an operator can conveniently observe whether the first biological packing plate 160 needs to be replaced; and the first biological packing plate 160 passes through the second biological packing plate 170, so that the first biological packing plate 160 is replaced more frequently, and the first biological packing plate 160 can be replaced conveniently through the placing groove 1420.

In addition, a fish passing gap is formed between two adjacent first biological filling plates 160, a row of fish passing holes 151 are correspondingly formed on the inclined plate 150 and the second folded plate 145, and a row of fish passing holes 151 are correspondingly formed on the inclined plate 150 and the first folded plate 144. The fish passing holes 151 can throw water into the air or stir water to serve as a landscape, can also play a role in increasing oxygen of river water, and can be used for passing organisms in water. The through pipe 130, the fish passing gaps and the fish passing holes 151 enable the system to be arranged in the river to enrich oxygen and purify water quality, and simultaneously, organisms in the river are not blocked and interfered.

The oxygenation mechanism is arranged on the inclined plate 150 in a penetrating way, the oxygenation mechanism is connected with a water delivery pipe, the water delivery pipe is connected with a water inlet pipe through a three-way valve, and the water inlet pipe is connected with a water filtering mechanism P arranged in an inner cavity N. The water filtering mechanism P comprises a trapezoidal cement shell 180, a second metal net 181 is fixed to the bottom of the trapezoidal cement shell 180, the water inlet pipe is inserted into the middle of the trapezoidal cement shell 180 from the top of the trapezoidal cement shell 180 and extends to the middle of the trapezoidal cement shell 180, a first metal net 183 is fixed to the tail end of the water inlet pipe, and gravels 182 are filled in the trapezoidal cement shell 180. Through setting up trapezoidal cement casing 180, second metal mesh 181, gravel 182 and first metal mesh 183, avoided debris to get into the inlet tube, the filter effect is good.

In addition, the three-way valve is also connected with a connecting pipe and is connected with a water pump arranged in the inner cavity N through the connecting pipe, a water pressure sensor is also arranged in the inner cavity N, the water pump, the water pressure sensor and the three-way valve are respectively communicated and connected with a controller, and when the water pressure detected by the water pressure sensor is greater than a threshold value, the controller controls the three-way valve to communicate the water delivery pipe with the water inlet pipe; when the water pressure detected by the water pressure sensor is not greater than the threshold value, the controller controls the three-way valve to communicate the water pipe with the connecting pipe and start the water pump.

The oxygen increasing mechanism comprises a cylinder 190, a rotating sleeve 191, a vane wheel 192, a guide sleeve 193, a mounting seat 194, a first oxygen increasing arm 195 and a second oxygen increasing arm 196.

The cylinder body 190 is arranged on the inclined plate 150 in a penetrating mode, the guide sleeve 193 is fixed to the other end of the cylinder body 190, the vane wheel 192 is sleeved outside the rotating sleeve 191 and fixedly connected with the rotating sleeve 191, and the vane wheel 192 and the rotating sleeve 191 are arranged in the cylinder body 190 and the guide sleeve 193 in a penetrating mode and can rotate relative to the cylinder body 190 and the guide sleeve 193.

The first oxygen increasing arm 195 is fixedly connected with the rotating sleeve 191 through the mounting seat 194, the second oxygen increasing arm 196 is fixed on the mounting seat 194 and distributed in a cross shape with the first oxygen increasing arm 195, and the first oxygen increasing arm 195 and the second oxygen increasing arm 196 are both hollow pipes; the diameter of the second oxygen increasing arm 196 is larger than that of the first oxygen increasing arm 195, nozzles 1951 are uniformly arranged on the first oxygen increasing arm 195, and spray holes 1961 are uniformly formed in the second oxygen increasing arm 196. Wherein, a hollow cone can be arranged in the mounting seat 194, so that the first oxygen increasing arm 195 and the second oxygen increasing arm 196 can be used for liquid separation.

A main flow channel 197 is formed in the middle of the cylinder 190, one end of the main flow channel 197 is connected with a water pipe, the other end of the main flow channel 197 is communicated with the first oxygen increasing arm 195 and communicated with the second oxygen increasing arm 196 through a mounting seat 194, a first side flow channel 198 is formed in the upper portion of the cylinder 190, a second side flow channel 199 is formed in the guide sleeve 193, one end of the second side flow channel 199 is communicated with the first side flow channel 198, the other end of the second side flow channel 199 opens towards the blades of the blade wheel 192, a third side flow channel 200 is formed in the lower portion of the cylinder 190, one end of the third side flow channel 200 leads to the.

According to the invention, the main runner 197, the first side runner 198, the second side runner 199 and the third side runner 200 are arranged, and river water introduced into the oxygenation mechanism by the water delivery pipe is used as power for driving the impeller 192, so that the rotating sleeve 191, the first oxygenation arm 195 and the second oxygenation arm 196 are driven to rotate, and autorotation is realized. The threshold value can be set to be a water pressure value that when the water delivery pipe is communicated with the water inlet pipe, the automatic rotation of the oxygenation mechanism can be realized through water pressure, and the first oxygenation arm 195 and the second oxygenation arm 196 eject river water; when the water pressure that water pressure sensor detected is greater than the threshold value promptly, the controller control three-way valve with raceway and inlet tube intercommunication, need not extra energy consumption, energy-conservation, can realize oxygenation and make the scene. And when the water pressure detected by the water pressure sensor is not greater than the threshold value, the controller controls the three-way valve to communicate the water pipe with the connecting pipe and start the water pump. Therefore, the oxygen increasing mechanism can work in an automatic intelligent switching mode when the flowing water pressure of different rivers is different and the water pressure of the water flow of the same river is different in different time periods, and is wide in application.

The main runner 197, the first side runner 198, the second side runner 199, the third side runner 200, the first oxygen increasing arm 195 and the second oxygen increasing arm 196 in the row of oxygen increasing mechanisms are arranged in the invention, so that the water body is severely disturbed, even broken and separated, and the oxygen adding capacity of the water body is increased; and the water body sprayed out through the first oxygen increasing arm 195 and the second oxygen increasing arm 196 is fully contacted with the air, so that more air and oxygen are dissolved, and the content of the dissolved oxygen in the river water body is improved. In addition, the first and second cross-shaped

oxygen increasing arms

195 and 196 rotate to spray water, so that the oxygen increasing mechanism 130 can perform water landscaping, and the beauty of the river channel is improved.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered by the claims of the present invention.

Claims

1. The utility model provides a river course oxygenation system which characterized in that: the water blocking mechanism is a box body with an opening at the upper end, the support frame is fixed on the upper part of the left side of the water blocking mechanism, the cover plates are sequentially connected and cover the left side of the support frame and are fixed through bolts, the cover plates and the support frame form a right trapezoid-shaped inner cavity, the water blocking mechanism is provided with a plurality of through pipes, one ends of the through pipes penetrate through the support frame and are communicated with the inner cavity, the other ends of the through pipes penetrate through the box body and extend to the right side of the box body, the oxygen increasing mechanism is arranged on an inclined plate in a penetrating mode, the oxygen increasing mechanism is connected with a water conveying pipe, the water conveying pipe is connected with a water inlet pipe through a three-way valve, the water inlet pipe is connected with a water filtering mechanism arranged in the inner cavity, the three-way valve is also connected with a connecting pipe and, the water pump, the water pressure sensor and the three-way valve are respectively in communication connection with the controller, and when the water pressure detected by the water pressure sensor is greater than a threshold value, the controller controls the three-way valve to communicate the water delivery pipe with the water inlet pipe; when the water pressure detected by the water pressure sensor is not greater than the threshold value, the controller controls the three-way valve to communicate the water pipe with the connecting pipe and start the water pump.

2. The riverway oxygenation system of claim 1, wherein: a plurality of partition plates are evenly arranged in the box body and are separated into a plurality of filling grooves through the partition plates, a plurality of through holes are formed in the partition plates, and the through pipe is arranged on the lower portion of each filling groove.

3. The riverway oxygenation system of claim 1, wherein: the water filtering mechanism comprises a trapezoidal cement shell, a second metal net is fixed at an opening in the bottom of the trapezoidal cement shell, the water inlet pipe is inserted into the top of the trapezoidal cement shell and extends to the middle of the trapezoidal cement shell, a first metal net is fixed at the tail end of the water inlet pipe, and gravels are filled in the trapezoidal cement shell.

4. The riverway oxygenation system of claim 1, wherein: the support frame includes the fixed plate, connects two curb plates in the fixed plate left and right sides and connect between two curb plates and with horizontal short slab, horizontal long slab, first folded plate and the second folded plate of fixed plate integrated into one piece, the fixed plate is fixed on water blocking mechanism left side upper portion, horizontal short slab, horizontal long slab connect respectively perpendicularly on the fixed plate, the lower extreme just all are located the fixed plate left side, first folded plate is connected in horizontal short slab outer end and is set up to one side, the second folded plate is connected in horizontal long slab outer end and is set up with first folded plate relatively in the slant, the apron includes integrated into one piece's hang plate, third folded plate and fourth folded plate, third folded plate, fourth folded plate connect respectively on the hang plate, the lower extreme and equal level extend to the right, fourth folded plate length is greater than the third folded plate, contained angle between third folded plate, the hang plate and first folded plate, The included angle between the horizontal short plates is the same and can be mutually clamped, and the included angle between the fourth folded plate and the inclined plate is the same as the included angle between the second folded plate and the horizontal long plate and can be mutually clamped.

5. The riverway oxygenation system of claim 4, wherein: the horizontal short plate is provided with a plurality of placing grooves in the extension direction, the horizontal long plate is provided with fixing grooves corresponding to the placing grooves from top to bottom, a first biological filler plate is fixedly inserted through the placing grooves and the fixing grooves, and a second biological filler plate is placed on the horizontal long plate and is fixed with the first biological filler plate through a second folded plate.

6. The riverway oxygenation system of claim 5, wherein: a fish passing gap is formed between every two adjacent first biological filler plates, a row of fish passing holes are correspondingly formed in the inclined plate and the second folded plate, and a row of fish passing holes are correspondingly formed in the inclined plate and the first folded plate.

7. The riverway oxygenation system of claim 6, wherein: the right side of the water blocking mechanism is detachably connected with a filter screen through a left support rod and a right support rod, and the filter screen is positioned on the right side of the through pipe and is arranged at intervals with the through pipe.

8. The riverway oxygenation system of claim 4, wherein: the utility model discloses a support frame, including apron, first folded plate and second folded plate, apron one side lateral wall is formed with the flange, the opposite side lateral wall be formed with can with flange complex recess, and two adjacent apron realize the joint cooperation through flange and recess, the total length of support frame is greater than the total length of all apron, the support frame both ends are provided with the connecting plate, the connecting plate is connected between curb plate, first folded plate and second folded plate.

9. The system of any one of claims 1 to 8, wherein: the oxygenation mechanism comprises a cylinder body, a rotating sleeve, a vane wheel, a guide sleeve, a mounting seat, a first oxygenation arm and a second oxygenation arm, wherein the cylinder body is arranged on the inclined plate in a penetrating manner, the guide sleeve is fixed at the other end of the cylinder body, the vane wheel is sleeved outside the rotating sleeve and is fixedly connected with the rotating sleeve, the vane wheel and the rotating sleeve are arranged in the cylinder body and the guide sleeve in a penetrating manner and can rotate relative to the cylinder body and the guide sleeve, the first oxygenation arm is fixedly connected with the rotating sleeve through the mounting seat, the second oxygenation arm is fixed on the mounting seat and is distributed in a cross shape with the first oxygenation arm, the first oxygenation arm and the second oxygenation arm are both hollow pipes, the diameter of the second oxygenation arm is larger than that of the first oxygenation arm, nozzles are uniformly arranged on the first oxygenation arm, spray holes are uniformly arranged on the second oxygenation arm, a main flow passage is arranged in the middle of the cylinder body, one end of the main flow passage, the other end of the main flow channel is communicated with the first oxygen increasing arm and is communicated with the second oxygen increasing arm through the mounting seat, a first side flow channel is formed in the upper portion of the cylinder body, a second side flow channel is formed in the guide sleeve, one end of the second side flow channel is communicated with the first side flow channel, the other end of the second side flow channel opens towards the blades of the blade wheel, a third side flow channel is formed in the lower portion of the cylinder body, one end of the third side flow channel leads to the blade wheel, and the other end of the.