CN114853273A

CN114853273A - Environment-friendly water treatment method and treatment device

Info

Publication number: CN114853273A
Application number: CN202210452791.6A
Authority: CN
Inventors: 杨凯
Original assignee: Guizhou Lyvchun Environmental Development Co ltd
Current assignee: Guizhou Lyvchun Environmental Development Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-05

Abstract

The invention discloses an environment-friendly water treatment method and a treatment device, wherein a filter cotton mechanism with a regeneration function is arranged in a river channel to circularly filter and ecologically purify river water, and filter cotton in the filter cotton mechanism is repeatedly extruded to discharge sewage and a physical cleaning mode of water absorption is released, so that the regeneration function of the filter cotton is achieved; large particle impurities in water are filtered out through the physical filtering function of filter cotton in the filter cotton mechanism; the filter cotton is convenient for microorganism attachment culture, and can decompose harmful elements in water, such as ammonia salt, nitrite, nitrate, phosphate and the like, through microorganisms to realize ecological purification, and the filter cotton is low in cost, green, environment-friendly and high in practicability.

Description

Environment-friendly water treatment method and treatment device

Technical Field

The invention relates to the field of river water treatment, in particular to an environment-friendly water treatment method and a treatment device.

Background

At present, road drainage system, various domestic sewage system and industrial sewage system's outlet all introduces in the peripheral river course, lead to containing silt quality of water, during all kinds of domestic sewage and industrial sewage discharge the river in a large number, lead to the river course to pollute very seriously, long-pending, deposit in the river course constantly accumulates in the river course bottom, increase the clearance degree of difficulty and the clearance intensity in later stage, the clearance is wasted time and energy, and need frequently clear up, consume a large amount of manpowers and financial resources. Especially in rainy season, along with the drainage of rainwater, lead to the velocity of flow and the flow of river to change at any time, greatly increased the degree of difficulty of river course water treatment.

The filter cotton has good water permeability, air permeability, extremely high mechanical strength, small flow resistance and high filtering efficiency; the filter cotton has the advantages of drug resistance, water resistance, flame retardance, water permeability, air permeability, difficulty in falling, no fading and the like. Can wash many times, recycle, not only low cost can effectively improve quality of water moreover, and the feature of environmental protection is good, mainly uses in the fish bowl at present, can filter a large amount of wastes such as the excrement and the food waste of the fish in quality of water, lets the filter media in back exert bigger efficiency. However, the filter cotton is less applied to the treatment of river water.

Disclosure of Invention

In view of the above, the present invention provides an environment-friendly water treatment method and device, which can effectively filter and flood river water and overcome the defects of the prior art.

The purpose of the invention is realized by the following technical scheme:

an environment-friendly water treatment method, which carries out river water filtration and ecological purification by arranging a filter cotton mechanism with a regeneration function in a river channel in a circulating way.

According to the environment-friendly water treatment method, the oxygen content in water in a treatment area is increased, and microorganisms are cultured in the filter cotton mechanism to realize ecological purification of river water.

In the environment-friendly water treatment method, the filter cotton mechanism is transversely arranged in the river channel to intercept, filter and ecologically purify river water.

In the environment-friendly water treatment method, the filter cotton in the filter cotton mechanism is subjected to a physical cleaning mode of repeatedly extruding, draining and releasing water absorption, so that the regeneration function of the filter cotton is achieved.

According to the environment-friendly water treatment method, the filter cotton mechanism alternately enters and exits the river channel, the water is extruded and discharged, the water is released for draining after entering the river channel, and the water is released for water absorption and is physically cleaned repeatedly.

According to the environment-friendly water treatment method, when the water level of the river channel rises, the filter cotton mechanism leaves the river channel to flood.

The utility model provides an environment-friendly water treatment facilities, its includes along the horizontal filter pulp mechanism that sets up of river course, filter pulp mechanism links to each other with the extrusion mechanism that sets up on the river course through making its actuating mechanism in automatic entering, going out the river course, is equipped with the water collector of collecting sewage below the extrusion mechanism.

According to the treatment area, the filter cotton mechanisms are arranged in the river channel at equal intervals or at unequal intervals.

An aeration device is arranged below the filter cotton mechanism or on the riverbed of the riverway.

The water receiving device comprises a water receiving disc, and the water receiving disc is connected with the sewage treatment device through a sewage discharge pipeline.

Compared with the prior art, the environment-friendly water treatment method and the environment-friendly water treatment device disclosed by the invention have the advantages that a filter cotton mechanism with a regeneration function is arranged in a river channel to circularly filter river water and ecologically purify the river water, and the filter cotton in the filter cotton mechanism is subjected to a physical cleaning mode of repeatedly extruding, discharging pollution and releasing water absorption so as to achieve the regeneration function of the filter cotton; large particle impurities in water are filtered out through the physical filtering function of filter cotton in the filter cotton mechanism; the filter cotton is convenient for microorganism attachment culture, and can decompose harmful elements in water, such as ammonia salt, nitrite, nitrate, phosphate and the like, through microorganisms to realize ecological purification.

The invention has the beneficial effects that:

(1) the invention has low cost and diversified functions, and the filter cotton mechanism with the regeneration function circularly carries out river water treatment, thereby being green and environment-friendly, having strong practicability and high popularization;

(2) the treatment effect is good, large-particle impurities in the river channel are filtered through the physical filtering function of the filter cotton mechanism, meanwhile, the filter cotton is convenient for microorganism attachment culture, a good water purification system is formed to carry out all-dimensional nitrogen, phosphorus, organic matters and suspended matters removal treatment on the river water, and the treatment effect is good;

(3) the regeneration function of the filter cotton is realized by a physical cleaning mode of repeatedly extruding and discharging sewage and releasing water absorption, the operation is simple, and the time and the efficiency are saved;

(4) when the water level of the river channel rises, the filter cotton mechanism can leave the river channel to flood, and the water level pressure is relieved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:

fig. 1 is a schematic longitudinal structure diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic view of the lateral structure of fig. 1.

Fig. 3 is a schematic lateral structure diagram of embodiment 2 of the present invention.

Fig. 4 is a schematic longitudinal structure diagram of embodiment 3 of the present invention.

Fig. 5 is a schematic view of the lateral structure of fig. 4.

Fig. 6 is a schematic lateral structure diagram of embodiment 4 of the present invention.

Fig. 7 is a schematic longitudinal structure diagram of embodiment 5 of the present invention.

Fig. 8 is a schematic view of the lateral structure of fig. 7.

Fig. 9 is a longitudinal structural view of embodiment 6 of the present invention.

Fig. 10 is a schematic view of the lateral structure of fig. 9.

Fig. 11 is a longitudinal structural view of embodiment 7 of the present invention.

Fig. 12 is a schematic view of the lateral structure of fig. 11.

Fig. 13 is a schematic perspective view of embodiment 8 of the present invention.

Fig. 14 is a schematic longitudinal structure view of fig. 13.

Fig. 15 is a longitudinal structural view of embodiment 9 of the present invention.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.

As shown in fig. 1 to 13, an environment-friendly water treatment method is to perform river water filtration and ecological purification by installing a filter cotton mechanism with a regeneration function in a river channel to circulate. Specifically, the filter cotton in the filter cotton mechanism is subjected to a physical cleaning mode of repeatedly extruding, discharging and releasing water absorption so as to achieve the regeneration function of the filter cotton; large particle impurities in water are filtered out through the physical filtering function of filter cotton in the filter cotton mechanism; the filter cotton is convenient for attaching microorganisms, and can decompose harmful elements in water, such as ammonia salt, nitrite, nitrate, phosphate and the like, through the microorganisms so as to realize ecological purification.

The oxygen content in water in the treatment area can be increased, and the sludge deposited on the river bottom can be stirred conveniently by adopting a manual oxygen supply or aeration mode, so that the filtering effect of the sludge on the river bottom is improved; meanwhile, oxygen supply or aeration can increase the oxygen content in the riverway, so that the growth of microorganisms in the filter cotton layer 1 is facilitated, an ecological purification film is formed, and the ecological purification effect is better.

The physical cleaning mode is that the filter cotton mechanism alternately goes out of the river channel and enters the river channel, the filter cotton mechanism extrudes and discharges sewage after going out of the river channel, and releases water after entering the river channel to absorb water, and the filter cotton can be cleaned up after circulation for many times so as to realize the regeneration function of the filter cotton mechanism.

Preferably, the filter cotton mechanism is transversely arranged in the river channel to effectively intercept, filter and ecologically purify river water.

When the water level of the river channel rises, the filter cotton mechanism leaves the river channel to flood.

The environment-friendly water treatment device based on the water treatment method comprises a filter cotton mechanism which is transversely arranged along a river course, wherein the filter cotton mechanism is connected with an extrusion mechanism arranged on the river course through a driving mechanism which enables the filter cotton mechanism to automatically enter and exit the river course, and a water receiving device for collecting sewage is arranged below the extrusion mechanism.

According to the treatment area, the filter cotton mechanisms are arranged in the river channel at equal intervals or unequal intervals.

The filter cotton mechanism can comprise a three-dimensional box-net type filter structure 1, a rolling type filter structure 2, a rolling type filter structure 3 or an upper sliding type filter structure 4; the driving mechanism comprises a lifting truss structure 5, a rolling driving mechanism 6, a rolling driving mechanism 7 and a turning plate driving mechanism 8 which are arranged corresponding to the three-dimensional box net type filtering structure 1, the rolling type filtering structure 2, the rolling type filtering structure 3 and the upper sliding type filtering structure 4.

The extrusion mechanism comprises an extrusion plate mechanism 9 which corresponds to the three-dimensional box net type filtering structure 1 and is arranged on the lifting truss structure 5; or a water pressing drum mechanism 10 corresponding to the rolling type filtering structure 2, the rolling type filtering structure 3 and the upper sliding type filtering structure 4.

The water receiving device comprises a water receiving tray 11, and the water receiving tray 11 is connected with the sewage treatment device through a sewage discharge pipeline.

An aeration device 12 is arranged on the bottom of the filter cotton mechanism or the riverbed of the riverway below the filter cotton mechanism. The aeration device 12 comprises an aeration pipe, and the aeration pipe is connected with an air supply device on the river bank through a gas transmission pipeline. The aeration pipe is used for aeration, so that the sludge deposited on the river bottom can be stirred conveniently, and the filtering effect of the sludge on the river bottom is improved; meanwhile, the oxygen content in the river is increased, so that the growth of microorganisms in the filter cotton mechanism is facilitated, and ecological purification is realized.

Referring to fig. 1-3, the three-dimensional box-net type filtering structure 1 includes a three-dimensional box net 101 transversely arranged along a river course, a filtering cotton 102 is arranged in the three-dimensional box net 101, the water pan 11 is arranged at the bottom of the three-dimensional box net 101, a lifting truss structure 5 is arranged above the three-dimensional box net 101, and a pressing plate mechanism 9 is arranged on the lifting truss structure 5.

The three-dimensional box nets 101 are more than one and are arranged in the river channel at certain intervals, and water treatment in the river channel is carried out according to regions.

By arranging the three-dimensional box net 101 transversely in the river channel, the filtering cotton 102 is arranged in the three-dimensional box net 101 for filtering the river channel, the filtering cotton 102 in the early stage is placed to effectively intercept and filter impurities, colloids, suspended matters and the like in the river channel, and the microbial film growing in the filtering cotton 102 in the later stage has better treatment effect; the filtering cotton 102 is fine and dense in filtering holes, and can be blocked by colloid in water after long-time work, at the moment, the three-dimensional box net 101 rises under the action of the lifting truss structure 5, and meanwhile, the squeezing plate mechanism 9 squeezes the filtering cotton 102, so that sewage in the filtering cotton 102 is discharged into the water receiving tray 11; and then the three-dimensional box net 101 is sunk into a river, the filtering cotton 102 absorbs water to realize automatic cleaning, and the operations of lifting, squeezing, draining, descending, absorbing water and cleaning are repeatedly carried out, so that the filtering cotton 102 can be cleaned for recycling.

The aeration pipe of the aeration device 12 is laid on the riverbed below the three-dimensional box net 101 or fixed at the bottom of the three-dimensional box net 101.

The water receiving tray 11 is in flexible connection with the bottom of the three-dimensional box net 101.

The lifting truss structure 5 comprises a truss mechanism crossing the river channel, a lifting machine 501 is arranged on the truss mechanism, and the three-dimensional box net 101 is connected with the lifting machine 501 through a steel rope 502. The truss mechanism comprises support frames 503 which are oppositely arranged on two river bank sides, a beam 504 is arranged at the top end of each support frame 503, the hoister 501 is a winch and is arranged on the beam 504, and roller groups 505 are arranged at the bottoms of the support frames 503.

The truss mechanism is formed by splicing a plurality of connecting rod buckles, field assembly can be achieved, and operation is more convenient.

Referring specifically to fig. 2, the compression plate mechanism 9 includes a compression plate 901, and the compression plate 901 is connected to the cross beam 504 through a telescopic rod set 902. When the three-dimensional box net 101 is lifted, the filter cotton 102 can be pressed by the pressing plate 901.

Specifically, as shown in fig. 3, or the pressing plate mechanism 9 includes a movable floating plate 903 disposed on the top of the filtering cotton 102, the movable floating plate 903 is connected by a bottom rope 904 disposed in the three-dimensional box net 101, a push rod 905 connected to the cross beam 504 is disposed right above the movable floating plate 903, and when the three-dimensional box net 101 rises, the push rod 905 pushes against the movable floating plate 903 to press the filtering cotton 102.

A water permeable plate 103 is arranged at the bottom in the three-dimensional box net 101. Ensure that the sewage at the bottom of the filtering cotton body 102 can be squeezed completely in the squeezing process of the filtering cotton body 102.

According to the depth of the river, the three-dimensional box net 101 is arranged on the bed of the river or suspended in river water.

The top of the three-dimensional box net 101 is flexibly connected with a floating body 13, and the floating body 13 is assisted to be suspended in river water through buoyancy; according to the size of the three-dimensional box net 101, the floating bodies 13 are arranged in more than one layer, for the three-dimensional box net 101 with a smaller size, the floating bodies 13 are arranged in one layer, the floating bodies 13 are connected with the three-dimensional box net 101 and float on the water surface, or the floating bodies 13 are connected with the three-dimensional box net 101 and are located in river water, and the three-dimensional box net is more attractive. Aiming at the large-size three-dimensional box net 101, in order to reduce the number of floating bodies 13 floating on the water surface, the floating bodies 13 can be arranged in at least two layers, the upper layer floating body is connected with the three-dimensional box net 101 and floats on the water surface to bear a part of buoyancy, and the rest floating bodies are connected with the three-dimensional box net 101 and are positioned in the water to bear the other part of buoyancy.

The floating bodies 13 are arranged along the length direction of the three-dimensional box net 101, or are arranged in a staggered manner along the length direction and the width direction of the three-dimensional box net 101. The floating body 13 can be a floating rod, a floating pipe, a floating ball, a floating belt and the like.

Referring to fig. 4-10, the rolling type filtering structure 2 comprises a rolling frame transversely arranged along a river course, the rolling frame is connected with a rolling driving mechanism 6, the rolling frame is driven by the rolling driving mechanism 6 to slowly rotate, and a filtering cotton layer 201 is covered on the rolling frame; the upper end of the rolling frame extends out of the water surface, the upper side of the rolling frame is provided with a water pressing barrel mechanism 10, and the lower side of the rolling frame is provided with a water receiving tray 11 opposite to the water pressing barrel mechanism 10.

The rolling frame is more than one and is arranged in the river channel according to a certain interval, and the water in the river channel is treated according to regions.

The river channel can be filtered by arranging a rolling frame capable of slowly rotating transversely on the river channel and covering a filtering cotton layer 201 on the rolling frame; the early-stage filtering cotton layer 201 can effectively intercept and filter impurities, colloids, suspended matters and the like in the river, and the microbial film growing in the filtering cotton layer 201 in the later stage has better treatment effect; and because the filtration cotton layer 201 itself filtration pore is fine and close, long-time work can be blockked up by aquatic colloid, the roll frame rolls under the drive of roll actuating mechanism 6 this moment, drive the filtration cotton layer 201 above that to roll, extrude filtration cotton layer 201 under the effect of pressurized-water cylinder mechanism 10, make the interior sewage of filtration cotton layer 201 discharge to the water collector 11 in, later the extrusion section can get into the river and absorb water and realize self-cleaning, the circulation rolls can repeatedly carry out extrusion blowdown-the washing operation that absorbs water that inhales the river, can be with filtration cotton layer 201 sanitization, make it can recycle.

The rolling driving mechanism 6 is a driving motor mechanism.

The aeration pipe of the aeration device 12 is laid on the riverbed below the rolling frame or arranged at the inner side of the rolling frame.

The rolling frame is a roller structure 202 and comprises a mesh type roller 2021, a rotating shaft 2022 is arranged at the axis of the mesh type roller 2021, and the rotating shaft 2022 is connected with a rolling driving mechanism 6 arranged on the river bank through a first transmission mechanism; the filtering cotton layer 201 is wrapped on the outer circumference of the mesh type roller 2021, the upper end of the mesh type roller 2021 is higher than the water surface, the water pressing cylinder mechanism 10 is positioned at the upper part of the mesh type roller 2021 and is used for extruding the filtering cotton layer 201, and the position of the water receiving disc 11 is opposite to the water pressing cylinder mechanism 10 and is arranged at the inner hole of the mesh type roller 2021.

The first transmission mechanism is a gear transmission box 2023 arranged on the side of the river bank, and the rolling driving mechanism 6 is connected with the rotating shaft 2022 through the gear transmission box 2023; the rolling driving mechanism 6 drives the net type roller 2021 to rotate through the gear transmission case 2023, the filtering cotton layer 201 rotates to a position higher than the water surface, sewage is extruded and discharged by the water pressing cylinder mechanism 10, and then the filtering cotton layer rotates to enter water for cleaning.

Or, the first transmission mechanism comprises a driving gear 2024 arranged on the pressurized water cylinder mechanism 10 and a driven gear 2025 arranged on the mesh type roller 2021 and meshed with the driving gear 2024, the rolling driving mechanism 6 is connected with the pressurized water cylinder mechanism 10, the rolling driving mechanism 6 drives the pressurized water cylinder mechanism 10 to rotate, the driving gear 2024 rotates along with the rotation of the driving gear 2024, and the driven gear 2025 drives the mesh type roller 2021 to rotate, so as to realize the cleaning operation of the filter cotton layer 201.

The rolling frame can also be a transmission chain mechanism 203, the transmission chain mechanism 203 comprises a driving wheel 2031, a guide wheel 2032 and a transmission soft net 2033 connected with the driving wheel 2031 and the guide wheel 2032, the driving wheel 2031 is connected with a rolling driving mechanism 6 arranged on the river bank through a second transmission mechanism 2034, the filter cotton layer 201 is laid on the transmission soft net 2033, the upper end of the transmission soft net 2033 is higher than the water surface, the water pressing cylinder mechanism 10 is arranged on the lower side of the transmission soft net 2033 and used for extruding the filter cotton layer 201, and the water receiving tray 11 is arranged below the water pressing cylinder mechanism 10.

Preferably, the transmission chain mechanism 203 is a heart-shaped structure formed by one driving wheel 2031, at least three guide wheels 2032 and a transmission soft net 2033, wherein one guide wheel is arranged at the bottom of the river, the driving wheel 2031 and the other two guide wheels are higher than the water surface and are arranged according to a structure with a low middle and high two sides, the water pressing cylinder mechanism 10 and the water receiving tray 11 are sequentially arranged at the lower side of the middle wheel, and the structure can ensure that all sewage enters the water receiving tray 11 in the extrusion process of the filter cotton layer 201.

More preferably, the guide wheels disposed at the bottom of the river are movable guide wheels 20321, and the movable guide wheels 20321 are connected to a lifting mechanism disposed inside both banks. In the process of water treatment, the movable guide wheel 20321 is lowered to the lowest position in the water to perform effective interception and filtration, and when flood discharge is needed, the lifting mechanism lifts the movable guide wheel 20321, so that river water can conveniently flow through the flood discharge.

The lifting mechanism comprises slide rails 204 which are oppositely arranged on two inner sides of a river bank, slide blocks 205 which are matched with the slide rails 204 are arranged at two ends of the movable guide wheel 20321, so that the movable guide wheel 20321 is connected with the slide rails 204 in a sliding manner through the slide blocks 205, a winch 206 is arranged on the river bank, a traction rope 2061 of the winch is arranged in the slide rails in a penetrating manner and is connected with the slide blocks 205, and the winch 206 pulls the slide blocks 205 to move up and down along the slide rails 204, so that the lifting of the movable guide wheel 20321 is realized.

The bottom in the slide rail 204 is provided with a return spring mechanism 207 connected with the slide block 205, which is more convenient for the up-and-down movement of the slide block 205.

The aeration pipe of the aeration device 12 can be laid on the river bed or arranged at the position of the middle gap of the conveying soft net 2033, so that sludge stirring is realized through aeration in and out, and the oxygen content in the river water is improved.

Referring to fig. 11-12, the rolling curtain type filtering structure 3 includes rails 301 symmetrically disposed on both sides of the river, one end of the rail 301 extends to the bottom of the river, the other end extends out of the water surface and is sequentially provided with a water pressing drum mechanism 10 and a reel 302, the reel 302 is connected to a rolling curtain driving mechanism 7, and the rolling curtain driving mechanism 7 is a rolling curtain motor; a rolling screen 303 with the upper end connected with the scroll 302 is arranged between the two rails 301, and a filtering cotton curtain 304 is laid on the rolling screen 303; a water receiving tray 11 is arranged below the water pressing cylinder mechanism 10.

Sliders 3031 connected with the rails 301 in a sliding manner are arranged on two sides of the rolling screen 303, so that the rolling screen 303 can be rolled or unfolded along the sliding rails. The sliding member 3031 is a sliding block or a pulley adapted to the rail 301.

The riverway filtering can be performed by arranging the rolling curtain meshes 303 covered with the filtering cotton curtains 304 between the rails 301 on the two sides of the riverway; the early-stage filtering cotton curtain 304 can effectively intercept and filter impurities, colloids, suspended matters and the like in the river, and the treatment effect of microbial films growing in the filtering cotton curtain 304 is better in the later stage; the filtering cotton layer is fine and dense in filtering holes, the filtering cotton layer can be blocked by colloid in water after long-time work, the rolling motor drives the rolling shaft 302 to rotate at the moment, the rolling screen net 303 can be rolled on the rolling shaft 302, in the rolling process, the filtering cotton screen 304 can pass through the water pressing barrel mechanism 10, sewage in the filtering cotton screen 304 can be discharged into the water receiving tray 11 under the extrusion of the water pressing barrel mechanism, after the rolling operation is completed, the filtering cotton screen 304 is unfolded under the action of the rolling screen motor to realize automatic cleaning in a river, and the extruding, pollution discharging and river water sucking and cleaning operations of the filtering cotton screen 304 are repeatedly carried out through repeated rolling and unfolding operations, so that the filtering cotton screen 304 can be cleaned, and can be recycled.

The aeration pipes of the aeration device 12 are laid on the riverbed at the upstream side or at the two sides of the filtering cotton curtain 304, and aeration is carried out through the aeration pipes, so that sludge deposited on the bottom of the river can be stirred conveniently, and the filtering effect of the sludge on the bottom of the river is improved; meanwhile, the oxygen content in the river channel can be increased through aeration, and the growth of microorganisms in the filtering cotton curtain 304 is facilitated.

Referring to fig. 13-15, the upper sliding type filtering structure 4 includes track tension spring mechanisms 401 symmetrically disposed on both sides of the river channel, a screen plate assembly 402 is disposed between two sets of track tension spring mechanisms 401, a filtering cotton block 403 is laid on the screen plate assembly 402, the lower ends of the two sets of track tension spring mechanisms 401 extend to the bottom of the river, the upper ends of the two sets of track tension spring mechanisms extend out of the water surface, the middle of the two sets of track tension spring mechanisms are provided with driving slide rails 404, and the driving slide rails 404 are provided with flap driving mechanisms 8 connected to the screen plate assembly 402; a water pressing cylinder mechanism 10 for extruding the filter cotton blocks 403 is arranged between the screen plate assembly 402 and the flap driving mechanism 8, and a water receiving disc 11 is arranged below the water pressing cylinder mechanism 10.

The net panel assembly 402 includes a plurality of flap panels hinged together.

The filter cotton 403 is laid on the inner or outer side surface of the flap net. Specifically, the filter cotton blocks 403 are laid on the inner side surface of the flap net, the water pressing barrel mechanism 10 is arranged below the driving slide rail 404 relatively, or the filter cotton blocks 403 are laid on the outer side surface of the flap net, the water pressing barrel mechanism 10 is arranged above the driving slide rail 404 relatively, and when the flap driving mechanism 8 drives the flap net to move along the driving slide rail 404, the water pressing barrel mechanism 10 can extrude the filter cotton blocks 403.

The track tension spring mechanism 401 comprises a track 4011, a tension spring 4012 is arranged in the track 4011, the screen plate component 402 runs along the track 4011, the lower end of the screen plate component is connected with the tension spring 4012, and the upper end of the screen plate component is connected with a turning plate driving mechanism 8. The track comprises a vertical track, an arc-shaped bend and a horizontal track which are connected in sequence; the lower end of the vertical track extends to the river bottom, and the upper end of the vertical track extends out of the water surface and is sequentially connected with the arc-shaped bend and the horizontal track.

The flap driving mechanism 8 comprises a steel wire pull rope 801 and a motor 802 arranged on a driving sliding rail 404, the screen plate assembly 402 is connected with the motor 802 through the steel wire pull rope 801, the motor 802 travels along the driving sliding rail 404, and the screen plate assembly 402 is pulled to travel along the rail through the steel wire pull rope 801; and then reset under the action of the tension spring 4012.

The water pressing barrel mechanism 10 and the water receiving tray 11 are sequentially arranged below the driving slide rail 404, the water pressing barrel mechanism 10 is used for extruding the filtering cotton blocks 403, and the water receiving tray 11 is used for receiving sewage discharged from the filtering cotton blocks 403.

The river channel can be filtered by symmetrically arranging the track tension spring mechanisms 401 at the two sides of the river channel and arranging the screen plate assembly 402 covered with the filter cotton blocks 403 between the track tension spring mechanisms 401; the early-stage filtering cotton block 403 can effectively intercept and filter impurities, colloids, suspended matters and the like in the river, and the treatment effect of microbial films growing in the filtering cotton block 403 in the later stage is better; the filtering cotton blocks 403 are fine and dense in filtering holes and can be blocked by colloid in water after long-time work, at the moment, the middle net plate component 402 is pulled by the flap driving mechanism 8 to move along a track, the filtering cotton blocks 403 can pass through the water pressing drum mechanism 10, sewage in the filtering cotton blocks 403 is discharged into the water receiving disc 11 under the extrusion of the water pressing drum mechanism, then the filtering cotton blocks are reset under the action of the tension spring 4012 and enter a river channel to realize automatic cleaning, the extruding pollution discharge-river water absorption cleaning operation can be repeatedly carried out for multiple times of circulation, and the filtering cotton blocks 403 can be cleaned, so that the filtering cotton blocks can be recycled.

The aeration pipes of the aeration device 12 are laid on the riverbed at the upstream side or two sides of the filter cotton block 403, and aeration is carried out through the aeration pipes, so that sludge deposited on the bottom of the river can be stirred conveniently, and the filtering effect of the sludge on the bottom of the river is improved; meanwhile, the oxygen content in the river channel can be increased by aeration, which is beneficial to the growth of microorganisms in the filter cotton block 403.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will 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, and all of them should be covered by the claims of the present invention.

Claims

1. An environment-friendly water treatment method is characterized in that: the river water is filtered and ecologically purified by arranging a filter cotton mechanism with a regeneration function in the river channel in a circulating manner.

2. The environment-friendly water treatment method according to claim 1, characterized in that: the oxygen content in the water in the treatment area is increased, and microorganisms are cultured in the filter cotton mechanism to realize the ecological purification of the river water.

3. The environment-friendly water treatment method according to claim 1, characterized in that: the filter cotton mechanism is transversely arranged in the river channel to intercept, filter and ecologically purify river water.

4. The environment-friendly water treatment method according to any one of claims 1 to 3, characterized in that: the filter cotton in the filter cotton mechanism is subjected to a physical cleaning mode of repeatedly extruding, discharging and releasing water absorption so as to achieve the regeneration function of the filter cotton.

5. The environment-friendly water treatment method according to claim 4, characterized in that: and the filter cotton mechanism alternately goes out of the river channel and enters the river channel, the filter cotton mechanism extrudes and discharges sewage after going out of the river channel, and releases water absorption after entering the river channel, and the physical cleaning is carried out repeatedly.

6. The environment-friendly water treatment method according to claim 5, characterized in that: when the water level of the river channel rises, the filter cotton mechanism leaves the river channel to flood.

7. The utility model provides an environment-friendly water treatment facilities which characterized in that: the device comprises a filter cotton mechanism transversely arranged along a river course, wherein the filter cotton mechanism is connected with an extrusion mechanism arranged on the river course through a driving mechanism which enables the filter cotton mechanism to automatically enter and exit the river course, and a water receiving device for collecting sewage is arranged below the extrusion mechanism.

8. The environment-friendly water treatment device according to claim 7, characterized in that: according to the treatment area, the filter cotton mechanisms are arranged in the river channel at equal intervals or unequal intervals.

9. The environment-friendly water treatment device according to claim 8, characterized in that: an aeration device (12) is arranged below the filter cotton mechanism or on the riverbed of the riverway.

10. The environment-friendly water treatment device according to claim 9, characterized in that: the water receiving device comprises a water receiving disc (11), and the water receiving disc (11) is connected with the sewage treatment device through a sewage discharge pipeline.