CN201473390U

CN201473390U - Semi-closed gradually-submersible water purification device

Info

Publication number: CN201473390U
Application number: CN2009202330195U
Authority: CN
Inventors: 周艳文
Original assignee: NANJING ENVIRONMENTAL TECHNOLOGY CENTER
Current assignee: NANJING ENVIRONMENTAL TECHNOLOGY CENTER
Priority date: 2009-07-23
Filing date: 2009-07-23
Publication date: 2010-05-19
Anticipated expiration: 2019-07-23

Abstract

The utility model provides a semi-closed gradually-submersible water purification device which mainly comprises a floating bed, floaters, a planting basket and a semi-closed exchange chamber. The semi-closed exchange chamber consists of an isolating fabric, an isolating net and keels, wherein the isolating fabric is suspended at the periphery of the floating bed, the keels are supported on the isolating net, the rim of the isolating net is suspended on the bottom edge of the isolating fabric, and the floaters are tied to the keels. The semi-closed exchange chamber is additionally arranged below the floating bed so as to divide the water body into the outside water and the inside water, and the outside water can flow into the semi-closed exchange chamber through the isolating net at the bottom instead of the isolating fabric at the periphery, so that the inside water is relatively steady, a local environment beneficial for the growth of plants and microorganisms is created, and the optimal scheme of water purification based on three-dimensional planting of aquatic plants is provided. The semi-closed gradually-submersible water purification device has the advantages of reasonable structural design, convenient installation and use, simple management and maintenance, high repair efficiency and the like, and is a water purification device particularly suitable for the severely-polluted water body.

Description

Semiclosed gradually heavy formula water purifying device

Technical field

The utility model relates to a kind of process for comprehensively treating and device of polluted water body, particularly a kind of water body recovery technique of utilizing physical measure to combine with the Ecological Control technology.

Background technology

Problems such as deteriorating water quality that causes because of eutrophication and blue-green alga bloom seriously jeopardize Drinking Water safety, become the restraining factors of Economic development.This shows that it is very urgent to carry out the control of water pollution control and eutrophication.

It is one of theoretical to utilize the waterplant of artificial growth to come purifying water body to be that the water body of current popular is repaired, but there are many deficiencies in known concrete implementing method and relative unit at present.As publication number is the plantation floating bed of a kind of water surface planting waterplant of utility model patent " multifunctional vacuum body water surface water plant planting floating bed " proposition of CN2925078Y.This method single cropping emergent, only absorption, the absorption by the emergent root system removes the water pollution material, and decontamination effect improving is low.Limited by the season of growth of emergent, winter, purification efficiency was low, and plant residue causes secondary pollution easily.When big area is used,, not only further reduced the ability of water body natural reaeration, also blocked sunlight, heavy aquatic ecosystem is seriously damaged because buoyancy aid self occupies most of water surface.Publication number is that the patent of invention " a kind of preparation method of water body plantation landscape plant floating bed " of CN1561689A can be regulated the heavy water depth of floating bed according to the needs of serike, solved the defective that floating bed in the past can only be planted emergent, but because this floating bed needs manual regulation bed height low, when big area is used no matter be that operation easier or workload are all very big, but also being not easy to harvesting, plant residue continues to cause secondary pollution.

Also have at present and will attempt with floating bed technology and the integrated technology of other technologies, as the patent of invention " floating bed plant and biologic membrane composite technique method for purifying polluted river water on original position " of publication number CN1654361A.This patent adopts floating bed top plantation emergent, the comprehensive purifying polluted river water body of the method for floating bed bottom hanging filler.This method single cropping emergent, floating bed very easily causes water hypoxia to the covering of water body in addition.Though, can't bring into play the efficient advantage of handling of microorganism so the filler part is arranged.Publication number is that utility model patent " the multifunctional bio chinampa quality purifying device for water " employing of CN2797355Y comprises the quality purifying device for water that biological floating island, Biomedia filler, little lift picotan combine, in this device, added the dissolved oxygen that little lift picotan increases system, but this kind device needs electrification, and build many, investment is high, management and maintenance expense height, poor practicability, the application space has been subjected to very big restriction.

In sum, by this ecological means of phytomicroorganism purified water great potentiality and wide prospect, pollution load is low, the purification means are more single but present known correlation technique, device exist, decontamination effect improving is not obvious, oneself's succession is poor, is not easy to many defectives such as management and maintenance.And these technology are not good to the treatment effect of the wide natural water surface, do not resist environmental disasters such as " algal tufas ".

Summary of the invention

The purpose of this utility model is in order to overcome the weak point in the above-mentioned existing biopurification water body, designs in a kind of rational in infrastructure, easy to install, water body of being adapted at heavy contamination and uses, builds a kind of semiclosed gradually heavy formula water purifying device that helps the local environment of plant-growth.

Semiclosed gradually heavy formula water purifying device of the present utility model, its structure comprises floating bed, float, plant basket and semi-enclosed switch room, described semi-enclosed switch room comprises isolation cloth, separation net and keel, isolation cloth is lifted on the floating bed periphery, keel are supported on the separation net, the separation net edge is lifted on the base of isolation cloth, and float system is on keel.

Above-mentioned floating bed is interconnected by a plurality of tabular buoyancy aids and forms, and is distributed with ventilating pit on the floating bed and the hole of planting, and the basket of planting is contained in the hole of planting.

Described isolation cloth is selected the layer cloth of macropore cloth or micropore cloth or macropore cloth and the combination of micropore cloth for use, and the mesh aperture of separation net is elected 0.5～5mm as.

Semiclosed gradually heavy formula water purifying device of the present utility model, owing to below floating bed, have additional semi-enclosed switch room, water body is separated into outdoor water and indoor water, outdoor water can be in the separation net inlet chamber of bottom, but be difficult for directly entering from isolation cloth on every side, make indoor water to more stable, built a kind of local environment that helps plant and microorganism growth, be provided with ventilating pit because of floating bed again, make the water body in the floating bed that enough light and oxygen level can be arranged, help the breeding of plant and microbial growth, also can plant emergent in the basket of planting on floating bed, the floating plant that grows in the switch room below floating bed, submerged plant grows on the separation net of bottom, switch room, simultaneously, isolation cloth can become the carrier of microorganism growth again in the enclosing of chamber in return, can further improve decontamination effect improving, solved the shortcoming that conventional art can only be moved in micropollutant water, made it in the water body of heavily contaminated water body or environmental disaster, also can normally move.Be a kind ofly can in water, realize the preferred plan of stereo planting waterplant, under the comprehensive action of absorption, absorption, bio-oxidation, nitrification and denitrification, biofloculation, progressively improve the water quality of handling the waters.The floating bed of this device etc. can be formed by connecting by a plurality of monomers, can be assembled into very big device at the scene with a plurality of less devices, to adapt to the needs of different water bodys, having structure and do not count that reasonable, easy to install, management maintenance is simple, the remediation efficiency advantages of higher, is a kind of refining plant of moving in the water body of heavy contamination of being more suitable for.

Description of drawings

Accompanying drawing is a kind of structural representation of the utility model in water.

Embodiment

The non-limiting concrete structure synoptic diagram that discloses a kind of embodiment of the present utility model of accompanying drawing is further described as follows in conjunction with the accompanying drawings.

Referring to accompanying drawing, semiclosed gradually heavy formula water purifying device of the present utility model, mainly form by floating bed 1, float 7, plant basket 3 and semi-enclosed switch room, described semi-enclosed switch room mainly is made up of isolation cloth 4, separation net 5 and keel 6, described isolation cloth 4 is lifted on floating bed 1 periphery, keel 6 are supported on the separation net 5, and the edge of separation net 5 is lifted on the base of isolation cloth 4, and float 7 ties up on the keel 6.

For the ease of production and transport, floating bed can be processed into a plurality of tabular buoyancy aids of being convenient to production and transport, interconnect installation with rope etc. at the scene again and get final product.In order making enough light and oxygen level to be arranged in the water body in the switch room, can on floating bed, to be provided with enough ventilating pits 2, for the ease of the placement basket of planting, can be with the part ventilating pit as the hole of planting, the basket 3 of planting is contained in the hole of planting.Emergent or its emergents of arranging in pairs or groups mutually such as arrowhead, water chestnut, wilson iris, rhizoma alismatis, Rush, cattail, Wildcelery Herb, Rhizome of Grass leaf Sweelflag of to choose seeds as required in the basket of planting.

Hang isolation cloth in the floating bed periphery, can effectively algal tufa or other suspended substance be kept off outside semi-enclosed switch room, can allow water molecules pass through smoothly again, make indoor water to more stable, built a kind of local environment that helps plant and microorganism growth, having solved the shortcoming that conventional art can only be moved in micropollutant water, is to make it the key that also can normally move in the water body of heavily contaminated water body or environmental disaster.Above-mentioned isolation cloth is as the cloth of the macroporous structure of selecting 100～400 μ m for use, can make it to become the carrier that helps algal grown, isolation cloth is as the cloth of the microvoid structure of selecting 1～10 μ m for use, can make it to become the carrier of the growth that helps bacterium, the also layer cloth that can use macropore and micropore to combine, make isolation cloth in chamber enclosing in return, become the carrier that helps multiple microorganism growth again, thereby further improve decontamination effect improving.The mesh aperture of described separation net is chosen as 0.5～5mm, be beneficial to the exchange of indoor and outdoor water body, can plant planting submerged plant on the net again, device is at initial operating stage, comparatively small amt because of submerged plant, in light weight and drawn by float and to lean against near the water surface, it is low because of transparency to efficiently solve the heavily contaminated water body, illumination is not enough and make the low difficult problem of submerged plant surviving rate, when water quality takes a turn for the better gradually, after transparency improves gradually, the breeding of submerged plant raised growth, separation net can be because of its gravity sinks during greater than float buoyancy gradually, automatically enlarge the purification volume in the switch room, after submerged plant breeds some amount along with the raising of water quality, separation net and isolation cloth disengagement finally directly can be sunk under water, and then set up a complete natural aquatic ecological system.The oneself of this system succession is strong, is easy to make plant population to be connected closely on vegetative period, forms evergreen aquatic vegetation, also can bring into play the purification function to water body so in the winter time preferably.Having structure and do not count that reasonable, easy to install, management maintenance is simple, the remediation efficiency advantages of higher, is a kind of refining plant of moving in the water body of heavy contamination of being more suitable for.

Claims

1. semiclosed gradually heavy formula water purifying device, comprise floating bed, float and the basket of planting, it is characterized in that also comprising semi-enclosed switch room, described semi-enclosed switch room comprises isolation cloth, separation net and keel, isolation cloth is lifted on the floating bed periphery, keel are supported on the separation net, and the separation net edge is lifted on the base of isolation cloth, and float system is on keel.

2. semiclosed gradually heavy formula water purifying device as claimed in claim 1 is characterized in that described floating bed is interconnected by a plurality of tabular buoyancy aids to form that be distributed with ventilating pit on the floating bed and the hole of planting, the basket of planting is contained in the hole of planting.

3. semiclosed gradually heavy formula water purifying device as claimed in claim 1 or 2 is characterized in that described isolation cloth is selected macropore cloth for use or/and micropore cloth, and the mesh aperture of separation net is elected 0.5～5mm as.