CN201068423Y

CN201068423Y - Dismountable artificial wetland

Info

Publication number: CN201068423Y
Application number: CNU2007201562872U
Authority: CN
Inventors: 李兆华; 朱联东
Original assignee: Hubei University
Current assignee: Hubei University
Priority date: 2007-07-06
Filing date: 2007-07-06
Publication date: 2008-06-04
Anticipated expiration: 2017-07-06

Abstract

The utility model relates to dismountable artificial wetland which is composed of a plurality of wetland units which are combined, each unit is of an independent basket body, water collecting pipes are distributed at the bottom part of the basket, packing material including pebbles, coal slag, iron chips, hadite, yellow sand, etc. is filled into the basket in a layered way from bottom to top, so as to form a packed bed, plants are cultivated in the packed bed, water distributing pipes are distributed on the surface of the packed bed, and sewage water is collected by the water collecting pipes laid at the bottom part and is discharged through the packed bed after being purified by the plants. According to the water quality, the water quantity and the treatment requirements of the sewage water required to be treated, and the wetland units are connected in series or in parallel or connected in a compound way, so as to be assembled into the artificial wetland. In the operating process of the wetland, the wetland units can be replaced and repaired at any moment. When the treatment task is accomplished, the artificial wetland can be disassembled, transferred and reused. The device is especially suitable for the places where a permanent sewage treatment project cannot be built.

Description

Detachable artificial swamp

Affiliated technical field: the utility model relates to a kind of demountable artificial swamp effluent treatment plant, especially is suitable for carrying out the eutrophication water sewage purification in the place that can not set up permanent sewage treatment project.

Background technology:

Artificial swamp is the artificial ecosystem of simulating nature wetland, and it utilizes physics in the natural ecosystems, chemistry and biological triple synergies to realize cleaning action to sewage.Artificial marsh sewage treatment system is low investment, less energy-consumption, the effective Sewage treatment systems that price is the cheapest in the world at present, is a kind of method that is adapted to very much green city's construction, ecological environmental protection, purifying domestic sewage.

But existing artificial swamp is generally permanent installation, needs big land area; Secondly, detergent power is subjected to the influence of plant growth maturity big; Its three, build up the back underground part and repair and repair very difficult.

Summary of the invention:

In order to overcome three deficiencies more than the artificial swamp, the utility model provides a kind of dismountable artificial swamp, this device is made of the independent wetland unit of plurality of moveable, can connect combination arbitrarily according to handling needs, in case just can dismantle transfer, the usefulness again of changing places after task is finished, can forever not take up an area of; Each wetland unit can be grown seedlings in the strange land, according to changing plant season, keeps the water purification ability; In the wetland operational process, can change and repair individual wetland unit.

The technical scheme that its technical problem that solves the utility model adopts is: utilize bearing capacity square plastic case making preferably wetland unit basket, the basket base fabric is established header, in the basket from bottom to top layering load fillers such as cobble, cinder, iron filings, haydite, yellow sand, form bed of packings, and plantation plant, water distributor is laid on bed of packings surface, and the current header that is laid on the bottom behind the bed of packings of flowing through is collected and discharged.Flow to from surface longitudinal the process of bed of packings bottom at sewage, the assimilation of the nitrogen in the water by crop-filler, absorption, the volatilization of ammonia, nitrated-denitrification process are removed; Phosphorus in the water deposits by plant absorbing and filling adsorption assimilation to be cleared up; COD material in the water is through the crown_interception of microbial film, root system of plant and the veneer of soil of filling surface and filler and reduce; Suspended substance deposits, forms soil nutrient through the yellow sand filtration in the water.Wetland unit can be combined into artificial swamp by series, parallel and compound parallel connection, and series connection is that wetland unit is arranged in order, and makes up as the water inlet of next unit with previous unitary water outlet, increases the degree of depth of sewage disposal; Parallel connection is that wetland unit is arranged in order, and each unit intakes side by side by water-supply pipe, increases the water yield of sewage disposal; Compound parallel connection is that series unit is connected in parallel.Unitary mode of connection and quantity are by sewage quality and water yield decision.Wetland unit can start slaking and cultivating seedlings in the base of growing seedlings, and transports the working-yard to after normally moving and is assembled into artificial swamp; For function subtract for or the unit of plant death in time change; The unit that changes can be transported the base of growing seedlings back and change processing such as filler, replacing plant, is re-used as normal wetland unit after the reparation to come into operation; After the sewage disposal task is finished, artificial swamp all can be dismantled, be transferred to other local use.

The beneficial effects of the utility model are, can set up artificial swamp in the place that can not forever take up an area of, and can be according to sewage quality and Flow-rate adjustment wetland size; Can change and repair artificial swamp at any time; Detachably move, reuse.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a wetland unit structure iron of the present utility model.

Fig. 2 is a water distribution in the unit, the pipeline synoptic diagram catchments.

Fig. 3 is a discharging control structure synoptic diagram among Fig. 2.

Fig. 4 is that the unit connects exemplary view in the case study on implementation.

1. unit baskets, 2. water inlet pipe, 3. rising pipe among the figure, 4. plant, 5. yellow sand layer, 6. haydite layer, 7. cinder iron filings layer, 8. pebble bed, 9. non-woven fabrics sealing coat, 10. water distribution pipe system, 11. water distributor water holes, 12. tubing systems of catchmenting, 13. the header water hole, 14. water valves, 15. Y-junctions, 16. up rising pipe, 17. descending rising pipes, 18. water-supply pipes.

Embodiment

Make among the embodiment at wetland unit shown in Figure 1, select to have big bearing capacity plastic box (about volume 200L, dark 50-80cm), make wetland unit basket (1); Be installed into water pipe (2) on top,, connect rising pipe (3) near perforate on the frame of bottom; Load cobble (8), cinder and iron filings (7), haydite (6), yellow sand (5) from bottom to up successively, make bed of packings; Separate with non-woven fabrics (9) between every layer, stop up the header water hole in order to avoid ooze under the fine particle; Yellow sand layer plantation hygrophyte seedling; Close rising pipe, fill natural water in basket, stopped 7-10 days, cultivate anaerobion, draining then allows bed of packings reoxygenation 1-2 days, 3-4 time so repeatedly, survive until carrier biofilm formation and plant seedlings, one independently wetland unit just make success.

In water distribution shown in Figure 2 and water gathering system, according to some water distributors of basket size configure (10) and header (11).Water distributor places above the bed of packings, end sealing, and the other end is communicated with water inlet pipe (2), and the header opening end links to each other with rising pipe (3).Water distributor water hole (11) diameter 2-5mm, header water hole diameter 6-10mm.Generally water distributing pore is concentrated on the one side of pipeline, place the yellow sand laminar surface as water distributor, then water distributing pore one faces up; As imbed the yellow sand layer, then the water hole faces down.Header can evenly punch, and need not divide face.Vertically descending from the effusive sewage of water distributor, under after the bed of packings processing, ooze to header, discharge through rising pipe.

In discharging control structure shown in Figure 3, rising pipe (3) connects a up rising pipe (16) and a descending rising pipe (17) respectively by Y-junction (15), and the uplink and downlink water pipe is installed (14) one of water valves respectively.When wetland unit connect to use, generally close descending rising pipe water valve and by the ascension pipe water outlet; When repairing and mobile wetland unit, open the down pipe water valve, drain surplus water in the unit.

Connect among the embodiment at wetland unit shown in Figure 5, wetland unit (1) can be combined into artificial swamp by the difference connection.Its mode is: (A) series connection.Wetland unit is arranged in order, the rising pipe (3) of previous element is connected with the water inlet pipe (2) of next unit, increase the degree of depth of sewage disposal; (B) parallel connection.Wetland unit water inlet pipe (2) is connected water-supply pipe (17) side by side, increase the water yield of sewage disposal; (C) compound parallel connection.Series unit is connected in parallel, forms artificial wet land system of certain scale.Wetland unit can start slaking and cultivating seedlings in the base of growing seedlings, and transports the working-yard to after normally moving and assembles; For function subtract for or the unit of plant death in time change; The unit that changes can transport back the base of growing seedlings recoil repairing, change filler, change processing such as plant, be re-used as wetland unit after the reparation to use; After the sewage disposal task is finished, can dismantle and remove artificial swamp.

Claims

1. dismountable artificial swamp, combine by some independent wetland units, it is characterized in that: wetland unit is a basket, load different fillers by different level in the basket, and the plantation hygrophyte, water distributor is installed at the bed of packings top, and header is installed in the bottom, the sewage bed of packings of flowing through from top to bottom, a plurality of wetland units become artificial swamp through series, parallel or compound string joint group.

2. artificial swamp according to claim 1 is characterized in that: bed of packings is respectively yellow sand layer, haydite layer, cinder iron filings layer and pebble bed from top to bottom, separates with non-woven fabrics between every layer.

3. artificial swamp according to claim 1 is characterized in that and can the wetland dismounting can be shifted after task is finished single wetland unit place under repair and replacing.